This application claims the equity and priority of the 62/345th, No. 090 U.S. Provisional Application that on June 3rd, 2016 submits,
The full content of the U.S. Provisional Application is incorporated herein by reference.
Summary of the invention
The disclosure relates generally to a kind of passive axle systems, when for engaging in surgical procedures or manipulate universal joint
Keep the freedom degree of universal joint.Passive axle system causes opposite with the rotation of control arm opposite positioned at the joint of universal joint bottom
Movement, with prevent the connecting rod of universal joint from opening, encounter unusual state or relative to each other nesting.
In one aspect of the present disclosure, the control arm for receiving input from the user includes rotating member, the first structure
Part, second component, universal joint and passive axle system.Rotating member can be rotated around first axle.First component has upper end under
End.Lower end is rotatably connected to rotating member around the second axis vertical with first axle.Second component has the first He
Second end.First end is pivotably connected to the upper end of first component around third axis, and third axis is parallel to second axis.Ten thousand
The second end of second component is rotatably connected to around four axistyle to section, four axistyle is perpendicular to third axis.Passive shafting
System is configured to rotatably that first component is associated around the rotation of four axistyle with universal joint around the rotation of first axle.Quilt
Moving axis system includes lower wall, first axle, upper disk, wire loop and the second axis.Lower coiling first axle is rotatably located at the first structure
The lower end of part.Upper disk is located near the first end of second component.First axle be arranged in first component, and be configured to will under
Disk is rotatably connected to disk.Upper disk is rotatably connected to the second axis by wire loop.
In some respects, lower wall is rotatably fixed relative to rotating member.Passive axle system may include lower universal joint,
The lower universal joint is located so that when first component is rotated around second axis, lower universal joint is pivoted around second axis.Under
Cross-pin type joint can be rotatably connected to lower end and the lower wall of first axle.Passive axle system may include upper universal joint, on this
Universal joint is located so that upper universal joint is pivoted around third axis when second component is around the rotation of third axis.
In some respects, the second axle response revolves universal joint around four axistyle around the rotation of first axle in rotating member
Turn.Second axis can be rotated in a second direction in response to rotation of the rotating member on the first direction opposite with second direction
Universal joint.The rotation of second axis in a second direction angularly scales and the rotation phase with rotating member in a first direction
Instead.
In a particular aspect, control arm includes fixed installation part, and rotating member is rotatably connected to around first axle
Fixed installation part.First disk can be rotatably fixed relative to fixed installation part.
In some aspects, control arm includes universal plate, which is arranged in the second end of second component, the second end
It can be rotated around the 4th axis.Wire loop can bypass upper disk and universal plate.
In some respects, control arm includes universal shaft, and the universal shaft is along four axistyle and can rotate around four axistyle.
Universal shaft can be rotatably connected to universal plate.Universal joint may include support arm, swing arm, input support arm and input shaft.Branch
Brace can have the first end for being rotatably fixed to universal shaft.Swing arm can have first end, and the first end is around the 5th axis
Line is rotatably connected to the second end of support arm.Input support arm can have first end, which can around the 6th axis
It is rotationally connected to the second end of swing arm.Input shaft along the 7th axis location and can be rotatably connected to input support arm
Second end.
In another aspect of the disclosure, the control arm for receiving input from the user includes rotating member, first
Component, second component, universal joint and passive axle system.Rotating member can be rotated around base axis.First component is from rotating member
Extend to upper end.Second component has first end, which is connected to the upper end of first component.Universal joint surrounds universal axis
It is rotatably connected to the second end of second component.Passive axle system is configured to rotatably by first component around base axis
Rotation it is associated around the rotation of universal axis with universal joint, to keep angle of the universal joint relative to rotating member.
In another aspect of the present disclosure, robotic surgical system includes processing unit, robot system and user interface.Machine
Device people's system is communicated with processing unit and first tool of one end including being supported on first connecting rod.User interface and processing are single
Member communicates and including the first control arm.First control arm is configured to input from the user and operates machine the of people's system
One connecting rod and the first tool.First control arm can be any control arm detailed in this article.
In some respects, robot system includes the second tool for being supported on one end of second connecting rod, and user interface
Including the second control arm.Second control arm, which can be configured as, manipulates second connecting rod and the second work in response to input from the user
Tool.Second control arm can be any control arm detailed in this article.
In another aspect of the present disclosure, a kind of control has the method for the tool of robot system of user interface including moving
The universal joint of dynamic user interface, so that the control arm of support universal joint is rotated around first axle.Control arm may include driven axle
System, the passive axle system rotate the support arm of universal joint around second axis, to keep the support arm and universal joint of universal joint
Input shaft between angle.Control arm can be any control arm disclosed herein.
In another aspect of the present disclosure, a kind of control arm for receiving input from the user includes rotating member,
One component, second component, universal joint and limitation extension mechanism.Rotating member can rotate on the first pedestal direction around first axle
To the first rotation limit, and the second rotation limit is rotated upwardly in the second pedestal side opposite with first direction.First structure
Part is pivotably connected to rotating member.Second component is pivotably connected to first component.Universal joint is by second component around
Four axistyle is pivotably supported.Universal joint operationally surrounds the rotation of first axle around the rotation of four axistyle with rotating member
It is associated so that rotation of the universal joint on the first universal joint direction make rotating member relative to pedestal around first axle the
It is rotated on one pedestal direction.Limitation extension mechanism is configured as when the input torque on the first universal joint direction being more than that limitation extends
When mechanism is around the threshold torque of first axle, when rotating member is in the first rotation limitation, allow universal joint universal first
Section side is rotated upwards about four axistyle.Threshold torque can be in the range of about 200Nmm to about 1200Nmm.
In some respects, the rotation of universal joint in a second direction that is opposite the first direction makes rotating member in the second base
Seat side is rotated upwards about first axle relative to pedestal.
In some respects, limitation extension mechanism includes the plunger of supporting cam wheel driven member and cam.Cam can have convex
Wheel surface, and plunger can make cam follower be biased to the cam surface engagement with cam.The cam face of cam can wrap
Include hole.When cam follower is located in the hole of cam, cam can have center.Pass through cam follower and cam
The engagement of cam face, cam can be biased to center.Threshold force can be equal to needed for rotating cam from the central position
Torque.Cam face can limit the cam contour at the midpoint from hole to cam face.Cam contour can be shaped so that
Need constant input torque to be equal to threshold force crosses cam follower from hole towards midpoint convex so that cam continues to rotate
Wheel surface.Alternatively, cam contour can be shaped so that the continuous rotation of cam need increased input torque so that cam from
Moving part crosses cam face from hole towards midpoint.The radius of cam contour can increase, so that the continuous rotation of cam needs line
The radius of the increased input torque of property or cam can increase, so that the continuous rotation of cam needs the increased input of index
Torque.
In some aspects, limitation extension mechanism includes drive shaft, first pulley, second pulley and driving band.First pulley
The drive shaft of motor can be rotatably fixed to.Second pulley can be rotatably fixed around first axle, and can be with
Four axistyle is operably associated.Driving band can be set around the first and second pulleys.When input power is less than threshold force
When, motor can prevent the rotation of drive shaft.
In another aspect of the present disclosure, a kind of control has the method for the tool of robot system of user interface including moving
The universal joint of dynamic user interface simultaneously applies input power to universal joint.The universal joint of mobile user interface makes to surround in a first direction
First axle supports the control arm rotation of universal joint, until universal joint reaches threshold limit.Control arm includes that the limit is more than mechanism,
It is more than threshold limit that the mechanism, which resists the rotation of universal joint in a first direction,.Input torque is applied to ten thousand in a first direction
It include the input torque for being applied more than the threshold force more than limiting mechanism to section, so that universal joint rotation is more than threshold limit.
In some respects, it is more than that threshold limit discharges universal joint later that this method, which is included in universal joint rotation, so that limitation
Make universal joint back to threshold limit more than mechanism.When universal joint rotation is more than threshold limit, control arm can be around first axle
It is rotatably fixed.
In addition, in consistent degree, any aspect described herein can with it is described herein any or all other
Aspect is used in combination.
Specific embodiment
Embodiment of the disclosure is described in detail referring now to each figure, identical drawing reference numeral is in each of several views in figure
Identical or counter element is indicated in view.As used herein, term " doctor " refers to that doctor, nurse or any other nursing provide
Person, and may include support staff.Throughout the specification, term " nearside " refer to device or its component near doctor's
Part, term " distal side " refer to device or the part farthest apart from doctor of its component.
It is configured as rotating when control arm is around the rotation of its pedestal by user interface according to the passive axle system of the disclosure
Control arm support universal joint.Passive axle system rotates universal joint with the direction opposite with the rotation of control arm, to prevent
The connection that universal joint is opened or is nested with one another by universal joint reduces its freedom of motion.Passive axle system may include first or under
Pulley, when control arm rotation when, first or lower sheave be located at pedestal with make universal joint relative to pedestal rotate.Lower sheave can
It is operatively coupled to Universal pulley, the end of the horizontal member of control arm is arranged in Universal pulley, so that Universal pulley edge and control
Upper-arm circumference processed is rotated around the opposite direction of the rotation of pedestal, to rotate the support link of universal joint.Universal pulley can be rotatably
It is fixed on one end of universal shaft, universal shaft is rotatably fixed to the first end of the support arm of universal joint in its other end.
By keep freedom degree, universal joint connecting rod also may remain in best angle relative to each other nearby (for example,
90°).This can keep symmetrical inertia in all rotation axis (that is, rolling, pitching and yaw) of the connecting rod of universal joint.It is logical
Crossing prevents universal joint opening or nested, minimizes the rotatable communication between joint, so that inertia is right on all direction of rotation
User feels identical, this prevents universal joint from feeling weight relative to another direction of rotation.
With reference to Fig. 1, robotic surgical system 1 is depicted herein generally as robot system 10, processing unit 30 and user interface
40.Robot system 10 generally includes connecting rod 12 and robot base 18.Connecting rod 12 is movably supported end effector or work
Tool 20, the end effector or tool 20 are configured to effect organizationally.Connecting rod 12 can be the form of arm or connecting rod, each arm
Or connecting rod has end 14,14 support tip actuator of end or tool 20, the end effector or tool 20 are configured to act on
Organizationally.In addition, the end 14 of connecting rod 12 may include the imaging device 16 for operative site " S " to be imaged.User interface
40 30 communicate through the processing unit with robot base 18.
User interface 40 includes display device 44, is configured as display 3-D image.Display device 44 shows Surgery
The 3-D image of position " S ", may include the data that capture of imaging device 16 by being located on the end 14 of connecting rod 12 and/or including
(for example, being located at the imaging device in operative site " S ", it is located at and is suffered from by the data for the imaging device capture being located at around operating room
The imaging device of person " P " nearby, the imaging device 56 positioned at the distal end of imaging connecting rod 52).Imaging device (such as imaging device
16,56) visual pattern of operative site " S ", infrared image, ultrasound image, radioscopic image, thermal image can be captured and/or appointed
What other known realtime graphic.The imaging data of capture is sent processing unit 30 by imaging device, processing unit 30 from
As data create the 3-D image of operative site " S " in real time, and display device 44 is sent to show by 3-D image.
User interface 40 further includes the input handle for being attached to universal joint 70, and doctor is allowed to operate machine people's system 10
(for example, the end 14 of mobile connecting rod 12, connecting rod 12 and/or tool 20).Each universal joint 70 communicated with processing unit 30 with to
It sends control signal and receives from it feedback signal.Additionally or alternatively, each universal joint 70 may include control interface or
Input unit (not shown) allows surgeon to manipulate (for example, clamping, grasping, shoot, open, close, rotate, push away, cutting
Deng) be supported on connecting rod 12 end 14 tool 20.
Each universal joint 70 is moveable, so that the end 14 of connecting rod 12 is moved in operative site " S ".Display dress
Set the end that the 3-D image on 44 is oriented such that movement mobile connecting rod 12 when observing in display device 44 of universal joint 70
Portion 14.It should be appreciated that the orientation of the 3-D image in display device can be mirrored relative to the view above patient " P "
Or rotation.In addition, it will be appreciated that the size of the 3-D image in display device 44 can be scaled the reality than operative site " S "
Border structure is greater or lesser, so that surgeon be allowed to have the topology view in better operative site " S ".When universal joint 70
When mobile, tool 20 moves in operative site " S ".The movement of tool 20 may also include the end of the connecting rod 12 of branch stake tool 20
14 movement.
In order to robotic surgical system 1 is discussed in detail structurally and operationally, the 8th, 828, No. 023 United States Patent (USP) can refer to,
Entire contents are incorporated herein by reference.
With reference to Fig. 2A-C, the control arm 660 of the prior art is shown comprising input shaft 678 and universal joint 670.When defeated
Enter axis 678 to be engaged to make control arm 660 around first rotation A1' from neutral position (Fig. 2 B) rotate to first position (figure
2A) and rotate to the second position (Fig. 2 C).Since control arm 660 rotates in the case where not passive axle system, no
It is able to maintain the angle [alpha] limited between the support arm 672 and input shaft 678 of universal joint 670.Therefore, when control arm 660 is along up time
When needle direction rotates, first rotation A is surrounded1', angle [alpha] increase so that support arm 672 and input support arm 676 relative to
Substantially linear or opening each other.Similarly, when control arm 660 surrounds first rotation A1' when being rotated in the counterclockwise direction, angle
It spends α to reduce, so that support arm 672 and input support arm 676 are substantially coincident or are nested with one another.When angle [alpha] is close to linearly or again
When conjunction value (that is, 180 degree or 0 degree), the freedom degree of universal joint 670 will reduce.
With reference to Fig. 3, each control arm 60 of user interface 40 (Fig. 1) includes rotating member 62, vertical member 64, support structure
Part 66, horizontal member 68 and universal joint 70.Rotating member 62 is pivotally supported on pedestal 61.The control arm of user interface 40
60 can respectively be supported on same pedestal 61 or each control arm 60 of user interface 40 can be supported on individual pedestal
On 61.It is contemplated that pedestal 61 can before or after surgical operation around surgical environments mobile (for example, rolling) and
It is secured in position during surgical operation.
Referring additionally to Fig. 4, rotating member 62 includes bottom plate 120, flange 122, coupling member 124, lower pin 126 and column 128.
Flange 122 is extended vertically from every side of bottom plate 120.Each flange 122 limits pin opening 123, and pin opening 123 receives lower pin
One outer end in 126.Pin supporting element 127 is positioned adjacent to each flange 122, to be pivotably supported lower pin 126 accordingly
Central part.One inner end in lower pin 126 is pivotably supported coupling member 124, and the inner end of another lower pin 126 can revolve
Turn the lower end 142 of ground support stay 64.Coupling member 124 includes from lower 126 extended distance D of pin1Finger 125.Column
128 extend vertically between flange 122 from bottom plate 120.The lower end 142 of coupling member 124 and vertical member 64 can frictionally connect
Close corresponding one in lower pin 126 so that coupling member 124 and lower end 142 may be in response to external input or power and around lower pin 126
Rotation, but in the case where no external input, prevent the rotation for surrounding lower pin 126.
Fig. 5 is also referred to, vertical member 64 is extended vertically from lower end 142.Vertical member 64 has upper end 146, and upper end 146 can
It is rotationally connected to distal end protrusion 183, distal end protrusion 183 is arranged at the first end 182 of horizontal member 68 by upper pin 129.
Supporting member 66 is extended vertically from lower end 162, and lower end 162 is pivotably supported by the finger 125 of coupling member 124.Support
Component 66 has upper end 166, is rotationally coupled to the bearing protrusion 184 of horizontal member 68, and from the center of upper pin 129
Offset distance D2.Distance D1And D2It is substantially mutually equal, so that when manipulation and control arm 60, supporting member 66 and vertical member
64 keep substantially parallel relationship.
As shown in figure 3, horizontal member 68 extends to its second end 186 from first end 182.Horizontal member 68 includes rib 188,
Rib 188 is arranged between the first and second ends 182,186 along its center line.The rotatable twelve Earthly Branches of second end 186 of horizontal member 68
Universal joint 70 is supportted, as shown in Figure 3.
With particular reference to Fig. 3, universal joint 70 includes support arm 72, swing arm 74, input support arm 76 and input shaft 78.Support
Each of arm, swing arm and support arm 72,74,76 are all L shapes, have horizontal component and vertical component, as described below.Support
The size of arm, swing arm and support arm 72,74,76 allows the arm 72,74,76 when being aligned in single plane embedding each other
Set, wherein input support arm 76 is nested in swing arm 74, swing arm 74 is nested in support arm 72.Input shaft 78 can with adapter or
Input unit (not shown) engagement, to control the function of the tool 20 (Fig. 1) of robot system 10.
With reference to Fig. 6, support arm 72 is rotatably connected to the second end 186 of horizontal member 68 at first end 222.Support
Arm 72 is rotationally coupled to the first end 242 of swing arm 74 at second end 226.Support arm 72 has to be prolonged from its first end 222
The horizontal component 224 stretched, the horizontal component 224 is perpendicular to the vertical component 228 extended from its second end 226.Similarly, swing arm
74 have vertical component 244, and vertical component 244 extends from its first end 242, perpendicular to the level extended from its second end 246
Part 248.Input support arm 76 is pivotably supported at its first end 262 by the second end 246 of swing arm 74, and its
The first end 282 of input shaft 78 is pivotably supported at two ends 266.Inputting support arm 76 has horizontal component 264, horizontal component
264 extend from its first end 262, perpendicular to the vertical component 268 extended from its second end 266.
Referring back to Fig. 3, in response to doctor and 70 interface of universal joint (for example, being filled with the input being arranged on input shaft 78
Set connection), control arm 60 can be rotated around seven rotation axis.Control arm 60 surrounds the movement of seven rotation axis by processing unit
30 (Fig. 1) detection, with the connecting rod 12 and tool 20 of people's surgery systems 10 of operating machine.The structure of control arm 60 and universal joint 70 limit
The movement of respective members and connecting rod is made, to rotate around seven rotation axis, as described below.
Rotating member 62 is restricted to relative to pedestal 61 around first rotation A1Rotation.The lower end of vertical member 64
142 are restricted to around the second rotation axis A2Rotation, the second rotation axis A2It is overlapped with the axis limited by lower pin 126.Second
Rotation axis A2Basically perpendicular to first rotation A1.The first end 182 of horizontal member 68 is restricted to relative to vertical member
64 upper end 146 is around third rotation axis A3Rotation, third rotation axis A3It is overlapped with the axis limited by upper pin 129.Third
Rotation axis A3It is arranged essentially parallel to the second rotation axis A2And with first rotation A1Vertically.The first end of support arm 72
222 around the 4th rotation axis A4It is pivotally supported in the second end 186 of horizontal member 68, the 4th rotation axis A4With by ten thousand
The axis limited to axis 362 is overlapped.The first end 242 of swing arm 74 is by the second end 226 of swing arm 76 around the 5th rotation axis A5It can
It pivotally supports.The first end 262 for inputting support arm 76 rotatably surrounds the 6th rotation axis A by swing arm 746Second end
246 bearings.The first end 282 of input shaft 78 is by the second end 266 of input support arm 76 around the 7th rotation axis A7Rotatably
Support.
Referring now to Fig. 3,4 and 7-11, passive axle system 300 is disclosed according to the present invention, so that rotating member 62 is around
One rotation axis A1Rotation and universal joint 70 around the 4th rotation axis A4Rotation it is associated.Specifically, passive axle system 300
By rotating member 62 relative to the first end 222 of the rotation of pedestal 61 and the support arm 72 of universal joint 70 relative to horizontal member 68
Second end 186 around the 4th rotation axis A4Rotation it is associated.
With particular reference to Fig. 4, passive axle system 300 includes the on the upper surface for the bottom plate 120 that rotating member 62 is arranged in
One pulley assembly 312.First pulley component 312 includes first pulley 320, the first idle pulley cylinder 332, the second idle pulley cylinder 336, first
Lower rope 334 and the second lower rope 338.First pulley 320 is positioned adjacent to the upper surface 121 of bottom plate 120, so that first pulley
320 can be around first rotation A1It is rotated relative to rotary part 62.First pulley 320 limits upper circumferential recess 322 and next week
To groove 324.It should be appreciated that first rotation A1It is vertical with the plane limited by the upper surface 121 of bottom plate 120.First He
Second idle pulley cylinder 332,336 is arranged on column 128 and can rotate around column 128.It is every in first and second idle pulley cylinders 332,336
One limits circumferential recess 333,337 respectively.One end of first lower rope 334 is connected to one in pin supporting element 127, is surrounding
It in the circumferential recess 333 of first idle pulley cylinder 332, and is connected in the lower circumferential recess 324 of first pulley 320, wherein first
The other end of lower rope 334 is attached to first pulley 320.One end of second lower rope 338 is connected to another pin supporting element 127,
It in the circumferential recess 337 of the second idle pulley 336, and is connected in the upper circumferential recess 332 of first pulley, wherein under second
The other end of rope 338 is attached to first pulley 320.
When rotating member 62 is around first rotation A1When rotating relative to pedestal 61, first pulley component 312 makes first
Pulley 320 is rotated relative to rotating member 62.Specifically, when rotating member 62 is around first rotation A1When rotation, the first He
Second idle pulley cylinder 332,336 is rotated around first pulley 320, so that the first and second lower ropes 334,338 are relative to rotating member 62
Rotate first pulley 320.More specifically, the first and second lower ropes 334,338 keep first pulley 320 just relative to pedestal 61
Position, while rotating member 62 is rotated relative to pedestal 61.
With reference to Fig. 7-9, passive axle system 300 includes connecting shaft 340 and top sheave 350.The setting of connecting shaft 340 is being limited to
In inner cavity 65 in vertical member 64, and it is as detailed below, downslide wheel assembly 320 is rotatably connected to top sheave 350.
Connecting shaft 340 has lower part 342, center portion 346 and top 348.Lower part 342 passes through lower universal joint 344
It is connected to center portion 346, top 348 is connected to center portion 346 by upper universal joint 349.It is contemplated that lower and upper universal
Connector 344,349 is exemplary, and suitable flexible shaft, hydraulic system, pneumatic system or cable actuated system can be used
System is to replace one or two of lower and upper universal joint 344,349.Lower part 342 is rotatably fixed to downslide wheel assembly
320, so that connecting shaft 340 is rotatably fixed to downslide wheel assembly 320.Specifically, one end of lower part 342 is arranged by gliding
In the central opening that wheel assembly 320 limits.Lower universal joint 344 is located such that the second rotation axis A2Across lower Universal connector
First 344.The positioning of lower universal joint 344 allows vertical member 64 to surround the second rotation axis A2Rotation, without will affect connection
The rotation of axis 340.Upper cardan 349 is located so that third rotation axis A3Across upper cardan 349.Upper universal joint 349
Positioning tolerable injury level component 68 relative to vertical member 64 surround third rotation axis A3Rotation, without will affect connecting shaft
340 rotation.Top sheave 350 is positioned adjacent to the upper surface of horizontal member 68 181, so that the plane base limited by top sheave 350
The upper surface 181 of horizontal member 68 is parallel in sheet.
Referring now to Figure 10 and 11, passive axle system 300 further includes top sheave component 314, and top sheave component 314 is configured to
In response to top sheave 350 rotation and make universal joint 70 relative to horizontal member 68 around the 4th rotation axis A4Rotation.Top sheave
Component 314 includes top sheave 350, Universal pulley 360 and upper cable 370.The second of horizontal member 68 is arranged in Universal pulley 360
In end 186, and universal joint 70 is connected to by universal shaft 362.Universal shaft 362 is rotatably fixed to Universal pulley 360 and ten thousand
To the first end 272 of the support arm 72 of section 70, so that when Universal pulley 360 is around the 4th rotation axis A4When rotation, support arm 72
It is rotated around first end 272.It should be appreciated that the 4th rotation axis A4It is limited by universal shaft 362.Top sheave 350 passes through upper cable 370
It is operationally associated with Universal pulley 360.Top sheave 350 limits circumferential recess 352, and Universal pulley 360 limits circumferential direction
Groove 364, each circumferential recess 364 receive upper cable 370.Upper cable 370 is tensioned around top sheave 350 and Universal pulley 360,
So that Universal pulley 360 rotates equal radial distance identical in the radial direction when top sheave 350 rotates.It can examine
Consider, the size of top sheave 350 and Universal pulley 360 can make the rotation of Universal pulley 360 be more than or less than top sheave 350
Rotation.
With particular reference to Figure 10, the second end 186 of horizontal member 68 defines cable passage 187, and cable 370 is allowed to wear
Cross second end 186 and around Universal pulley 360.By Universal pulley 360 being placed in the second end 186 of horizontal member 68,
Universal pulley 360 is prevented and doctor's brought into incidental contact with 70 interface of universal joint by shielding.It is contemplated that rib 388 can limit
Cable passage (not shown) allows cable 370 to pass through rib 388, so that the rotation of Universal pulley 360 is relative to top sheave
350 rotation is in the opposite direction.
Referring now to Figure 12 A-C, passive axle system 300 makes control arm 60 around first rotation A1Rotation with it is universal
Pulley 360 is around the 4th rotation axis A4Rotation it is associated so that the rotation of Universal pulley 360 rotated with control arm 60 it is opposite.
As illustrated in fig. 12, when control arm 60 is rotated in a clockwise direction, if arrow CW is from shown in neutral position (Figure 12 B), lower sheave
Component 320 such as direction arrow A320It is shown to remain stationary, so that downslide wheel assembly 320 is rotated relative to rotating member 62.Lower sheave
Component 320 rotates Universal pulley 360 relative to the rotation of rotating member 62, such as direction arrow A360Shown, angular distance is equal to
Rotation (i.e. counterclockwise) of the downslide wheel assembly 320 relative to rotating member 62 in the opposite direction.Similarly, as indicated in fig. 12 c, when
When control arm 60 is rotated in the counterclockwise direction, if arrow CCW is from shown in neutral position (Figure 12 B), downslide wheel assembly 320 such as direction
Arrow A320It is shown to remain stationary, so that downslide wheel assembly 320 is rotated relative to rotating member 62.Downslide wheel assembly 320 relative to
The rotation of rotating member 62 rotates Universal pulley 360, such as direction arrow A360Shown, angular distance is relative to downslide wheel assembly
320 rotation (i.e. clockwise) scaling relative to rotating member 62 in the opposite direction.The angle rotary distance of Universal pulley 360
Scaling can zoom to being rotated in the range of about 0.5 to about 1.0 (for example, about 0.7) of lower sheave.
With reference to Figure 13 A-C, the input shaft 78 of universal joint 70 is engaged to make control arm 60 around first rotation A1Therefrom
Vertical position (Figure 12 B) rotates to first position (Figure 13 A) and reaches the second position (Figure 13 C).When control arm 60 rotates, quilt
Moving axis system 300 makes the support arm 72 of universal joint 70 around the 4th rotation axis A4Rotation, to be maintained at support arm 72 and input shaft
The angle, θ limited between 78.Specifically, passive axle system 300 keeps the position of top sheave 350 and downslide wheel assembly 320, respectively
By arrow A350And A320It indicates, and keeps the rotation of downslide wheel assembly 320 associated with the rotation of arm 72, such as arrow A72It is shown.
For example, when control arm 60 surrounds first rotation A1When being rotated in a clockwise direction to first position (Figure 13 A), passive shafting
System 300 makes the support arm 72 of universal joint 70 in the counterclockwise direction around the 4th rotation axis A4Rotation, to keep support arm 72 and defeated
Enter the angle, θ between axis 78.Similarly, when control arm 60 surrounds first rotation A1It is rotated in the counterclockwise direction second
When setting (Figure 13 B), passive axle system 300 makes the support arm 72 of universal joint 70 around the 4th rotation axis A4Rotation, to keep supporting
Angle, θ between arm 72 and input shaft 78.It should be appreciated that when control arm 60 surrounds first rotation A1It revolves in a first direction
Turn first angle apart from when, passive axle system 300 make support arm 72 with around first rotation A4First direction it is opposite
Second direction on rotate first angle distance.
In Figure 13 A-C, vertical member 64 (Fig. 3) is substantially vertical, horizontal member 68 (Fig. 3) substantially level
's.It will be appreciated, however, that when vertical member 64 is deviated from vertical plane (that is, around the second rotation axis A2Rotation) and work as water
When flat component 68 is deviated from horizontal plane, passive axle system 300 works (that is, when vertical member 64 is around the second rotation axis
A2When rotation and/or when horizontal member 68 is around third rotation axis A3When rotation).
Therefore, including passive axle system (for example, passive axle system 300 as detailed above) to draw when control arm 60 rotates
Rise universal joint 70 support arm 72 rotation, reduce universal joint 70 arm 72,74,76 open or it is mutually nested a possibility that,
To prevent the freedom of motion of universal joint 70 from reducing.In addition, as described above, passive axle system 300 is substantially provided in vertically
In component 64 and horizontal member 68, to prevent from connecing with the accidental of the moving element (for example, connecting shaft 340) of passive axle system 300
Touching.Furthermore it is possible to consider, rotating member 62 include lid (not shown) with shield or encapsulate downslide wheel assembly 312 (for example,
Downslide wheel assembly 320 and idle pulley cylinder 332,336).Furthermore, it is possible to consider, horizontal member 68 may include lid (not shown) with complete
All standing shields upper cable-assembly 314 (for example, cable 370 and top sheave 350).
As detailed in this article, passive axle system utilizes rope 334,338, axis 340 and wire loop 370 by first axle and the 4th axis
Line is associated, however, it is possible to consider that other methods (for example, gear, hydraulic, cable pipeline driver, torque tube etc.) can be used for
First axle is associated with four axistyle.
Referring now to Figure 14 and 15, according to the present disclosure discloses a kind of passive axle systems 400 comprising cable pipeline driving
System 402, by the first rotation A of control arm 601With the 4th rotation axis A of universal joint 704It is associated.Cable pipeline
Drive system 402 includes the first cable pipeline 410 and the second cable pipeline 430.As shown in figure 15, the first cable pipeline 410 from
Outer includes outer cover 412, wind spring 414, liner 416 and actuation cable 418 in.Outer cover 412 is made of flexible material, construction
At protection wind spring 414 and actuation cable 418.Wind spring 414 is constructed to the first cable guide tube 410 and provides rigidity, together
When allow the first cable guide tube 410 in response to control arm 60 movement and elastic bending, as detailed below.Assembling or manufacturing the phase
Between, it is more than elasticity that wind spring 414, which can also be bent, so that the first cable pipeline 410 has bending or turning (for example, bending
424), while allowing actuation cable 418 free to slide in the first cable pipeline 410, as detailed below.416 setting of liner is being rolled up
In spring 414, to reduce the friction for sliding or activating the actuation cable 418 in the first cable pipeline 410.Liner 416
It can be formed by polytetrafluoroethylene (PTFE) (PTFE), it can be with trade nameIt buys.Second cable pipeline 430 with the first cable
The similar mode of pipeline 410 constructs, and therefore, for brevity, the construction of the second cable pipeline 430 will not be described in further detail herein.
Referring additionally to Figure 16 and 17, the first cable pipeline 410 includes lower part 422 and top 428, and lower part 422 is operationally
It is associated with the downslide wheel assembly 320 on the rotating member 62 for being supported on control arm 60, top 428 operationally with Universal pulley
360 associated (Figure 11).Specifically, the lower part 422 of the first cable pipeline 410 is fixed to rotating member 62, so that actuation cable
418 first end 421 extends from liner 416 and is located in the groove being limited in pulley 326 or downslide wheel assembly 320
In 328, downslide wheel assembly 320 surrounds first rotation A1Positioning.Lower part 422 (liner 416, volume of first cable pipeline 410
Rotating member 62 is fixed to by installation part 128' around the rest part of spring 414 and cover 412).
Similarly, the second cable pipeline 430 include lower part 442 and top 448, lower part 442 operationally be supported on control
Pulley 326 on the rotating member 62 of arm 60 processed is associated, and top 448 is operationally associated with Universal pulley 360.Specifically
Ground, the lower part 448 of the second cable pipeline 430 are fixed to pedestal 61, so that the of the actuation cable 438 of the second cable pipeline 430
One end 441 extends from liner 436 and is located in the groove 328 being limited in pulley 326, and pulley 326 is around the first rotary shaft
Line A1Positioning.The rest part of the lower part 442 (liner 436, wind spring 434 and cover 432) of second cable pipeline 430 passes through peace
Piece installing 128' is fixed to rotating member 62.
First and second cable pipelines 410,430 extend to ten thousand along vertical member 64 and horizontal member 68 from installation part 128'
To pulley 360.As shown, the first and second cable pipelines 410,430 extend along the outside of vertical member 64.In addition, first
Outside vertical component 64 can be fixed to by fixing component or eyelet 404 with the second cable pipeline 410,430.Alternatively, first
The inner cavity 65 (Fig. 9) being limited in vertical member 64 can be passed through with the second cable pipeline 410,430.
When the first and second cable pipelines 410,430 extend or extend in vertical member 64 from vertical member 64, the
One and second cable pipeline 410,430 surround third rotation axis A3Winding extends then along horizontal member 68.First and
Two cable pipelines 410,430 respectively include around the third rotation axis A between vertical member 64 and horizontal member 683It is corresponding
Bending 424,444.Bending 424,444 is surpassed by the corresponding formation in the first and second cable pipelines 410,430 of bending
The elasticity of wind spring 414,434 is crossed, with the corresponding middle forming curves in the first and second cable pipelines 410,430,
So that when horizontal member 68 is pivoted relative to vertical member 64, the first and second cable pipelines 410,430 elastic bendings.Bending
424,444 the first and second cable pipelines 410,430 of permission meet the horizontal member 68 of pivot relative to vertical member 64, simultaneously
Reduce the relaxation of the first and second cable pipelines 410,430.In addition, the first and second cable pipelines 410,430 can be with through hole
Eye 404 is fixed to neighbouring third rotation axis A3Vertical member 64 and/or neighbouring third can be fixed to by band 406 and rotate
Axis A3Horizontal member 68, with reduce the first and second cable pipelines 410,430 in relaxation.
First cable pipeline 410 extends to Universal pulley 360 along horizontal member 68.The top of first cable pipeline 410
426 are fixed to the horizontal members 68 of neighbouring Universal pulley 360, and the second end 428 of the first cable pipeline 410 be fixed on it is universal
In first circumferential recess 364 of pulley 360.The rest part of first cable pipeline 410 is relative to adjacent with Universal pulley 360
Horizontal member 68 is fixed.It is contemplated that the liner 416 of the first cable pipeline 410, wind spring 414 and cover 412 can pass through limit
The wall of the fixed cable passage 187 engaged with the first cable pipeline 410 firmly fixes, while allowing the first cable pipeline 410
Actuation cable 418 is free to slide relative to horizontal member 68, to rotate Universal pulley 360, as described below.
Second cable pipeline 430 extends to Universal pulley 360 along horizontal member 68.The top of second cable pipeline 430
446 are fixed to the horizontal members 68 of neighbouring Universal pulley 360, and the second end 448 of the second cable pipeline 430 be fixed on it is universal
In second circumferential recess 366 of pulley 360.The rest part of second cable pipeline 430 is relative to adjacent with Universal pulley 360
Horizontal member 68 is fixed.It is contemplated that the liner 436 of the second cable pipeline 430, wind spring 434 and cover 432 can pass through limit
The wall for determining cable passage 187 firmly fixes, which engages the second cable pipeline 430, while allowing the second cable
The actuation cable 438 of pipeline 430 is free to slide to rotate Universal pulley 360 relative to horizontal member 68.
Referring to Figure 18-20, according to the present disclosure discloses another control arms 1060.Control arm 1060 is similar to above-mentioned control
Arm 60, similar elements indicate " 10 " before previous label.Control arm 1060 includes passive axle system 500, by universal joint 70
Around the 4th rotation axis A4Rotation and rotating member 1062 relative to pedestal 1061 around first rotation A1Rotation it is related
Connection.
Similar to passive axle system 300 detailed above, passive axle system 500 includes connecting shaft 340, and connecting shaft 340 has
There is the lower part 342 across rotating member 1062 and pedestal 1061.The lower part of connecting shaft 340 is set around first rotation A1
In pedestal 1061.
Passive axle system 500 includes rotation limitation extension mechanism 501, when rotating member 1062 is in threshold limit, rotation
Turning limitation extension mechanism 501 allows universal joint 70 around the 4th rotation axis A4Rotation, and with rotating member 1062 relative to pedestal
1061 rotation is unrelated, as detailed below.
Rotation limitation extension mechanism 501 includes plunger 510, biasing member 520, cam follower 530 and cam 540.It is convex
Wheel 540 is arranged around the lower part 342 of connecting shaft 340 and is rotatably fixed to the lower part 342 of connecting shaft 340.Plunger 510 supports
On pedestal 1061, engaged with supporting cam wheel driven member 530 with cam 540.As shown in figure 21, plunger 510 is fixed perpendicular to axis 340
Position;It is also contemplated, however, that plunger 510 can be disposed at any angle relative to the lower part 342 of connecting shaft 340, to keep cam
Driven member 530 is engaged with cam 540.
Rotating member 1062 is rotationally coupled to flange 330, so that when rotating member 1062 is revolved relative to pedestal 1061
When turning, flange 330 is around first rotation A1Rotation.Flange 330 can be around first rotation A1Rotation, until flange 330 engages
One (Figure 24) in two retainers 332,334.When flange 330 is engaged with one in retainer 332,334, flange
330 and therefore rotating member 1062 is prevented from additionally rotating and allow its phase relative to pedestal 1061 in a first direction
Pedestal 1061 is rotated in second opposite direction.
As being described in detail above for passive axle system 300, axis 340 is operably connected to universal joint 70 around the 4th rotation
Shaft axis A4Rotation.When rotating member 1062 relative to pedestal 1061 rotate when, cam follower 530 engage cam 540 with
Prevent axis 340 from rotating relative to pedestal 1061.Cam 540 has cam face 542, and cam face 542 defines hole 544, such as
In Figure 22 best seen from.Biasing member 520 is arranged around plunger 510, to promote the hole of cam follower 530 Yu cam 540
544 engagements, to prevent cam 540, to prevent connecting shaft 340 from rotating relative to pedestal 1061.
By preventing connecting shaft 340 from rotating relative to pedestal 1061, when universal joint 70 is engaged by doctor to pass input power
Being delivered to universal joint 70 makes universal joint 70 relative to the 4th rotation axis A4When rotation, rotating member 1062 passes through passive axle system
500 around first rotation A1Rotation.As detailed above, when universal joint 70 is around the 4th rotation axis A4When rotation, universal joint
The rotation of 370 Effect of Rotation Universal pulley 360.Universal pulley 360 is rotatably connected to top sheave 350 by wire loop 370,
So that the rotation of the Effect of Rotation top sheave 350 of Universal pulley 360.Top sheave 350 is rotationally coupled to the upper of connecting shaft 340
End 348, so that the rotation of the Effect of Rotation connecting shaft 340 of top sheave 350.As described above, the lower part 342 of connecting shaft 340 passes through
The engagement in the hole 544 of cam follower 530 and cam 540 and be rotatably fixed to pedestal 1061 so that in response to connecting shaft
The rotation of 340 lower part 342, rotating member 1062 is around first rotation A1It is rotated relative to pedestal 1061.Accordingly, in response to
Input power is applied to universal joint 70, and rotating member 1062 is around first rotation A1Rotation.
8-23 is continued to refer to figure 1, when flange 330 is engaged with one in retainer 322, rotation limitation extension mechanism
501 also allow axis 340 to rotate relative to pedestal 1061, to allow more than the rotation limitation of control arm 1060.As described above, control
Arm 60 can be around first rotation A1It is rotated around pedestal 1061;Passive axle system is (for example, passive axle system 300 or passive shafting
System is 400) with universal joint 70 around the 4th rotation axis A4Rotation it is associated.Control arm 1060 and/or universal joint 70 are around corresponding
The rotation of axis can be limited by mechanical stopping piece (for example, retainer 332,334), to prevent control arm 60 and/or ten thousand
To section 70 around the rotation of corresponding axis more than threshold restriction.As detailed below, it is more than threshold that rotation limitation extension mechanism 501, which is resisted,
It is worth the rotation of the limit, while allows doctor super more than rotating control arm 1060 and/or universal joint 70 after predetermined threshold power
Cross threshold limit.When meeting threshold limit and when being more than threshold limit, rotation limit extension mechanism 501 is provided to doctor
Feedback, as described in more detail below.
Referring initially to Figure 19 and 20, cam 540 couples and is rotatably fixed to axis 340.Cam 540 includes surrounding cam
The cam face 542 of 540 outer surface.Cam face 542 defines hole 544, as in Figure 22 best seen from.510 base of plunger
This is installed to pedestal 1061 perpendicular to axis 340, and including extendable element 512, extendable element 512 has end 514, end
Portion 514 supports the cam follower 530 of neighbouring cam 540.Biasing member 520 is fixed around the extendable element 512 of plunger 510
End 514, is pushed to the cam face 542 of cam 540, so that cam follower 530 is engaged with cam face 542 by position.
The size of biasing member 520 is set to set for rotating the axis in limited time when rotating member 1062 reaches pole of rotation
340 threshold limit.With particular reference to Figure 22 and 23, the profile of cam face 542 is so shaped that the biasing of biasing member 520
Power pushes cam follower 530 towards center, and wherein cam follower 530 engages the hole 544 of cam 540.It is convex in order to make
Wheel 540 rotates from the central position, needs input power to overcome the cam face 542 for being applied to cam 540 by cam follower 530
On threshold limit so that cam 540 rotates, so that cam follower 530 is from 544 internal rotating of hole.As shown, CAM table
Face 542 has such profile, once so that input torque is more than by power that biasing member 520 applies with by cam follower
530 are maintained in the hole 544 of cam 540, then continue needed for rotating cam follower 530 along the cam face 542 of cam 540
Input torque be equal to starting cam 540 rotation needed for input torque, as shown in figure 22.It is also conceivable to being used for CAM table
Other cam contours in face 542.For example, the cam contour of cam face 542 can or CAM table asymmetric about hole 544
The cam contour in face 542 may need to increase or reduce torque to continue to rotate cam 540.It should be appreciated that cam contour can be with
It matches or is configured to match any desired torque profile.
The threshold limit of cam 540 is in the range of about 200Nmm to about 1200Nmm (for example, about 800Nmm).For example, working as
Flange 330 reaches pole of rotation in a first direction and prescribes a time limit (for example, when flange 330 engages the first retainer 332), rotation limitation
Extension mechanism 501 allows when input torque to be more than the threshold as defined by the engagement in cam follower 530 and the hole 544 of cam 540
Axis 340 is rotated relative to pedestal 1061 in a first direction when being worth the limit.When input torque is more than threshold limit, rotation limitation
Extension mechanism 501 allows axis 340 to rotate relative to pedestal 1061, until cam follower 530 is detached from and along cam out of hole 544
540 cam face 542 is advanced.When input torque is reduced to threshold limit or less, biasing member 520 passes through cam follower
530 rotate cam 540 towards center with the bias force of the engagement of cam face 542, so that cam follower 530 returns
To hole 544.
With reference to Figure 24, according to the present disclosure discloses another kinds to rotate limitation extension mechanism 601, resisting is more than threshold limit
Rotation, while doctor being allowed to be more than that rotate control arm 1060 and/or universal joint 70 after predetermined threshold torque be more than threshold
It is worth the limit.Rotation limitation extension mechanism 601 includes motor 610 and connection component 620.Motor 610 is installed to the bottom of pedestal 61
And including drive shaft 612.Drive shaft 612 is rotatably coupled with axis 340 by connection component 620.Connection component 620 includes the
One or motor belt pulley 622, second or shaft pulley 624 and drive member 626.Motor belt pulley 622 is solid around drive shaft 612
It is fixed, and shaft pulley 624 is fixed to axis 340.Drive member 626 is wound around motor belt pulley 622, to utilize axis 340 will
Shaft pulley 624 is rotationally coupled to the drive shaft 612 of motor 610.As shown, connection component 620 is belt pulley/belt
Mechanism;However, it is possible to consider, connection component 620 can also include gear train, and the gear train is rotatably by the drive of motor 610
Moving axis 612 couples with axis 340.
Extension mechanism 501 is limited similar to rotation detailed above, when input power is more than that motor 610 is applied to axis 340
When threshold limit or torque, rotation limitation extension mechanism 601 allows to prescribe a time limit axis when flange 330 reaches around the pole of rotation of axis 340
340 rotate relative to pedestal 1061.The threshold torque of motor 610 is in the range of about 200Nmm to about 1200Nmm (for example, about
800Nmm).In addition, the threshold torque of motor 610 can be it is constant or can angular deflection (the i.e. axis 340 based on axis 340
Rotation be more than the rotation limit) and change.In addition, the threshold torque of motor 610 can be connect by the input shaft 78 with universal joint 70
The input unit of conjunction and/or the tool 20 (Fig. 1) by being attached to connecting rod 12 associated with control arm 1060 determine.
It as described above and is shown in FIG. 1, user interface 40 is operationally communicated with robot system 10, to patient
" P " executes surgical operation;It is also contemplated, however, that user interface 40 can operationally be communicated with surgical simulation device (not shown),
Virtually to activate the robot system and/or tool in simulated environment.For example, surgical robot system 1 can have first
Mode and second mode, user interface 40 is coupled to actuating robot system 10 in the first mode, uses in a second mode
Family interface 40 is coupled to surgical simulation device virtually to activate robot system.Surgical simulation device can be separate unit or collection
At into processing unit 30.Surgical simulation device provides vision, the sense of hearing, power and/or touch feedback to doctor by user interface 40,
Virtually respond the doctor with 40 interface of user interface.For example, the movement of surgical simulation device exists when doctor engages with universal joint 70
Simulation surgical site virtually acts on the representative tool of tissue.It is contemplated that surgical simulation device can permit doctor right
Patient carries out surgical operation before executing surgical operation.In addition, surgical simulation device can be used for that doctor is trained to carry out surgical operation.This
Outside, surgical simulation device can simulate " complication " in the surgical procedures of suggestion, to allow doctor to plan surgical operation.
Although several embodiments of the disclosure have been had been illustrated in the accompanying drawings, it is not intended that the disclosure is limited to
This because the disclosure be intended to this field allow range equally extensively and in the same manner as illustrate book.It also contemplates above-mentioned
Any combination of embodiment, and these combinations are within the scope of the appended claims.Therefore, description above should not be construed as
It is restrictive, and it is merely possible to the illustration of specific embodiment.Those skilled in the art will expect power appended by this paper
Other modifications in the scope and spirit of sharp claim.