CN107496031A - Remote operation multi-spindle machining hand and remote operation device - Google Patents
Remote operation multi-spindle machining hand and remote operation device Download PDFInfo
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- CN107496031A CN107496031A CN201710866787.3A CN201710866787A CN107496031A CN 107496031 A CN107496031 A CN 107496031A CN 201710866787 A CN201710866787 A CN 201710866787A CN 107496031 A CN107496031 A CN 107496031A
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- 238000003754 machining Methods 0.000 title claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 101
- 238000013016 damping Methods 0.000 claims description 76
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 21
- 230000002153 concerted effect Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000037361 pathway Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001459 mortal effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B34/35—Surgical robots for telesurgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
- A61B34/71—Manipulators operated by drive cable mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B2034/305—Details of wrist mechanisms at distal ends of robotic arms
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- General Health & Medical Sciences (AREA)
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- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of remote operation multi-spindle machining hand and remote operation device, remote operation multi-spindle machining hand, for making operation executive item perform surgical action, the remote operation multi-spindle machining hand include fixing body, be rotatablely connected with the fixing body first rotating shaft, be rotatablely connected with the first rotating shaft the second rotating shaft, can be along the expansion link of the axial stretching of second rotating shaft, wherein, first rotating shaft is vertically arranged and rotated around own rotation, second rotating shaft relative to the first rotating shaft in perpendicular.The multi-spindle machining hand of the present invention, only there is two rotating shafts and an expansion link operation executive item is able to carry out three degree of freedom, so as to meet the various actions performed the operation needed for executive item operation, because driving-chain is less so that the spatial shape for executive item of performing the operation and action easily determine.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of remote operation multi-spindle machining hand and remote operation
Device.
Background technology
Performed an operation by electronic equipment or high-accuracy mechanical hand is not strange thing, electronic equipment and new machinery already
The participation of servicing unit can not only reduce operating difficulty, improve procedure efficiency can reduce to a greater extent risk allow operation into
Power is higher.By means of remote operation apparatus, even if doctor can not carry out surgical operation as usual in operating room, doctor, from opening
Knife is completed to suture needle by doctor by remote control " robot " (or operation performs device), performs the operation more accurate, risk more
It is low.
Being commonly used for the long-range operation device for implementing operation includes operation performs device and operation technique system；Operation is held
Luggage puts the operation executive item for including the affected part for directly acting on patient, and operation technique system includes operation device, described
Operation device includes action bars, and the action bars is used to control operation executive item action, and makes action and the behaviour of operation executive item
It is consistent to make bar, i.e. the spatial shape moment for executive item of performing the operation is consistent with the spatial shape of action bars.
On the one hand, the operation executive item needs to have multiple frees degree to meet surgical action, of the prior art to be used for
Driving operation executive item performs the manipulator of its multiple free degree, and driving-chain is more, and the spatial shape for executive item of performing the operation is not easy
Control, the spatial shape for executive item of performing the operation in other words are not easy to determine.
On the other hand, for remotely implement operation operation device exist the problem of be：Although action bars can control hand
Art executive item so that operation executive item implements operation, but, during doctor's manipulation operations bar, can not experience suffered by operation executive item
The power (that is, action bars does not have force feedback) arrived, that is to say, that when executive item of performing the operation is acting on human body, operation executive item is not
The evitable reaction force by human body, and doctor can not know the reaction force, so that doctor loses traditional operation
The sense of touch obtained.Sometimes due to doctor can not know power suffered by executive item of performing the operation, mortal injury, example may be caused to affected part
Such as, when executive item needs of performing the operation act on patient with a certain default power can just successfully complete operation, more than the default power
The organ that may be destroyed at this of affected part, and can not implement the operation less than the default power, now, because doctor manipulates
Action bars not force feedback, and make what doctor made operation executive item when controlling operation executive item using action bars to act on trouble
The power at place exceedes default power and causes the organ for destroying affected part.
The content of the invention
For above-mentioned technical problem present in existing technology, of the invention implementing provides a kind of remote operation multiaxis
Manipulator.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of remote operation multi-spindle machining hand, for making operation executive item perform surgical action, the remote operation is used
Multi-spindle machining hand include fixing body, the first rotating shaft being rotatablely connected with the fixing body, be rotatablely connected with it is described
The second rotating shaft in first rotating shaft, can along the expansion link of the axial stretching of second rotating shaft, wherein, first rotating shaft is vertical
Set and rotated around own rotation, second rotating shaft relative to the first rotating shaft in perpendicular.
The invention also discloses a kind of remote operation device, including operation performs device and remote operation operating system institute
Stating operation performs device includes operation executive item and remote operation multi-spindle machining hand as claimed in claim 1, the hand
Art executive item is arranged on expansion link of the remote operation with multi-spindle machining hand, and the first rotating shaft, which rotates, causes the operation
Executive item has the first rotational freedom, and second axis of rotation causes the operation executive item has to be rotated perpendicular to first
The free degree determines the second rotational freedom of plane, and the expansion link is flexible to cause operation executive item to have perpendicular to first turn
The dynamic free degree and the second rotational freedom determine the one-movement-freedom-degree of plane.
Preferably, the remote operation operating system includes operation device, drive mechanism, spatial shape testing agency, resistance
Buddhist nun's measuring means and damping applying mechanism；
The operation device includes action bars, and the action bars has three freedom corresponding with the operation executive item
Degree；
The drive mechanism, which includes being used for corresponding to the driving operation executive item respectively, performs its first rotational freedom, the
First driver of two rotational freedoms and one-movement-freedom-degree, the second driver and the 3rd driver；
The spatial shape testing agency for corresponding to the detection action bars respectively including performing its first rotation certainly
Held by the first detector of rotational angle when degree, the second rotational freedom, the second detector and the detection action bars
3rd detector of displacement during its one-movement-freedom-degree of row；Wherein, first, second, third driver correspond to respectively according to first,
The result driving operation executive item action that second, third detector is detected, so that the operation executive item and the behaviour
Make bar synchronization action；
The damping measuring means includes performing its first rotation certainly for the corresponding detection operation executive item respectively
First analyzer of suffered torsion, the second analyzer and the detection operation executive item are being held when being rotated by degree, second
3rd analyzer of suffered straight line resistance during its one-movement-freedom-degree of row；
The damping applying mechanism includes the first damper, the second damper and the 3rd damper；When the operation is held
When row part performs its first rotational freedom, torsion of first damper according to detected by first analyzer is to institute
State action bars and apply torsion damping in the rotation direction when performing its first rotational freedom, second damper is according to institute
Torsion detected by the second analyzer is stated to apply in rotation direction when performing its second rotational freedom to the action bars
Add torsion damp, the 3rd damper according to clamped by the 3rd analyzer to straight line resistance held to the action bars
Apply straight line damping on moving direction during row one-movement-freedom-degree.
Preferably, the operation device also includes keeping body, is rotatably connected respectively by the first pivot and the second pivot
In the keeping body and the first arc batten and the second arc batten that pivot center is perpendicular, first arc with it is described
Second arc offers long guiding hole in its bearing of trend；The middle part of the action bars joins on oscillating bearing, its head
Portion wears the long guiding hole of first arc and the second arc, and can be slided along long guiding hole.
Preferably, first damper and second damper are respectively used to first pivot and described second
Pivot, which applies, reverses damping；First damper and second damper include two tiles being articulated；Described first
Friction plate is provided with pivot and second pivot；Two tiles are used to coat first pivot or first pivot
Axle；Wherein：
Spring is connected between two tiles, and the first permanent magnet is provided with one of them described tile, another
First electromagnet relative with the first permanent magnet heteropole, first damper and second damping are provided with tile
The first electromagnet on device corresponds to logical to change according to the torsion damping detected by the first analyzer and the second analyzer respectively
The electric current for the coil crossed on first electromagnet, with when detected by first analyzer or second analyzer
When turning round torsion increase, the electric current of the coil on first electromagnet increases to increase first permanent magnet and the described first electricity
Gravitation between magnet, to increase damping or increase second damper of first damper to first pivot
Damping to second pivot；And when the torsion detected by first analyzer or second analyzer reduces
When, the electric current of the coil on first electromagnet reduces to reduce between first permanent magnet and first electromagnet
Gravitation, to reduce damping or second damper of first damper to first pivot to second pivot
Damping.
Preferably, first detector and second detector are angular transducer, and the 3rd detector is
Displacement transducer.
Preferably, first analyzer and second analyzer are torque sensor；3rd analyzer is pressure
Force snesor.
Preferably, the afterbody of the action bars is arranged with sleeve pipe, and the 3rd damper includes being arranged in described sleeve pipe
The second permanent magnet and be arranged at the second electromagnet on the action bars and relative with the second permanent magnet homopolarity；It is described
Second electromagnet of the first damper changes by described second according to the straight line resistance detected by the 3rd analyzer
The electric current of coil on electromagnet, with when the straight line resistance increase detected by the 3rd analyzer, second electromagnetism
The electric current of coil on body increases to increase the magnetic repulsion between second permanent magnet and the electromagnet, with when the described 3rd
When straight line resistance detected by analyzer reduces, the electric current of the coil on second electromagnet reduces to reduce described second
Magnetic repulsion between permanent magnet and second electromagnet.
Compared with prior art, the beneficial effect of remote operation of the invention multi-spindle machining hand and remote operation device
It is：The multi-spindle machining hand of the present invention, only operation executive item is just set to be able to carry out three certainly with two rotating shafts and an expansion link
By spending, so as to meet the various actions performed the operation needed for executive item operation, because driving-chain is less so that the space for executive item of performing the operation
Form and action easily determine.
Brief description of the drawings
Fig. 1 is the structural representation for the remote operation multi-spindle machining hand that one embodiment of the invention provides；
Fig. 2 is the operation device in the remote operation operating system for the remote operation device that one embodiment of the invention provides
Structural representation (front view)；
Fig. 3 is the structural representation in the remote operation operating system for the remote operation device that one embodiment of the invention provides
Scheme (left view)；
Fig. 4 is the first damping in the remote operation operating system for the remote operation device that one embodiment of the invention provides
The structural representation of device and the second damper (left view)；
Fig. 5 is to be used to apply in the remote operation operating system for the remote operation device that another embodiment of the present invention provides
Add damping includes hydraulic damping applicator (as the first damper or the second damper) and the system of hydraulic controller
Control figure；
Fig. 6 is the hydraulic pressure control in the remote operation operating system for the remote operation device that another embodiment of the present invention provides
The structural representation of device processed；
Fig. 7 is the hydraulic pressure resistance in the remote operation operating system for the remote operation device that another embodiment of the present invention provides
The structural representation of Buddhist nun's applicator (as the first damper or the second damper)；
Fig. 8 is the control flow of the remote operation operating system in the remote operation device that one embodiment of the invention provides
Figure.
In figure：
100- operation performs devices 100；200- operation device 101- first rotating shafts 101；The second rotating shafts of 102- 102；103-
Expansion link；104- fixing bodies；105- operation executive items；The arcs of 201- first；The arcs of 202- second；203- keeping bodies；
204- long guiding holes；205- oscillating bearings；The pivots of 206- first；The pivots of 207- second；The drivers of 210- first；220- second drives
Dynamic device；The drivers of 230- the 3rd；231- stepper motors；232- leading screws；240- action bars；241- sleeve pipes；242- damping sleeves；243-
Baffle plate；The detectors of 250- first；The detectors of 260- second；The detectors of 270- the 3rd；The dampers of 281- first；282- second is damped
Device；The dampers of 290- the 3rd；The electromagnets of 291- second；The permanent magnets of 292- second；301- tiles；302- friction plates；303- first
Permanent magnet；The electromagnets of 304- first；305- springs；330- first processing modules；The signal adapters of 331- first；332- first is controlled
Device processed；340- Second processing modules；341- secondary signal converters；342- second controllers；343- proportional amplifiers；350-
One analyzer；The analyzers of 360- second；The analyzers of 370- the 3rd；400- hydraulic damping applicators；401- bodies；The chambers of 402- first
Room；403- second chambers；404- rotors；405- dividing bodies；406- check valves；The fluid passages of 407- first；408- second liquids
Passage；500- hydraulic controllers；501- valve bodies；The valve pockets of 502- first；The valve pockets of 503- second；The valve elements of 504- first；505- second
Valve element；506- oil inlet passages；507- oil discharge passages；The liquid-conveying ducts of 508- first；The liquid-conveying ducts of 509- second；The drains of 510- the 3rd
Passage；511- springs；The electromagnets of 512- the 3rd；513- three permanent magnets；514- springs；600- reversal valves；700- fuel tanks.
Embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
As shown in figure 1, embodiment of the invention discloses that a kind of remote operation multi-spindle machining hand, multi-spindle machining hand tool
Body includes fixing body 104, the first rotating shaft 101 being rotatablely connected with fixing body 104, is rotatablely connected with the first rotation
The second rotating shaft 102, can be along the expansion link 103 of the axial stretching of the second rotating shaft 102；Wherein, first rotating shaft 101 is vertically arranged
And rotated around own axis, the second rotating shaft 102 relative to the first rotating shaft 101 in perpendicular.
The invention also discloses a kind of remote operation device, the remote operation device include operation performs device 100 and
Remote operation operating system, the operation performs device 100 include operation executive item 105 and above-mentioned multi-spindle machining hand, specifically
Ground, the operation executive item 105 are the part for directly acting on patient body, and e.g., operation executive item 105 is scalpel, for convenience
Illustrate technical scheme, might as well will operation executive item 105 treat as an entirety, and ignore its internal actions and
Annexation, the operation executive item 105 are installed on the expansion link 103 of multi-spindle machining hand, and the multi-spindle machining hand can make operation
Executive item 105 realizes the first rotational freedom, the second rotational freedom of plane is determined perpendicular to the first rotational freedom with
And the one-movement-freedom-degree of plane is determined perpendicular to the first rotational freedom and the second rotational freedom.Specifically, when first turn
When axle 101 rotates, operation executive item 105 is performed its first rotational freedom, when the second rotating shaft 102 rotates, hold operation
Row part 105 performs its second rotational freedom, when expansion link 103 stretches, operation executive item 105 is performed its freedom of movement
Degree.The remote operation operating system include operation device 200, drive mechanism, spatial shape testing agency, damping measuring means with
And damping applying mechanism.
Understood according to above-mentioned, multi-spindle machining hand of the invention, only just make operation with two rotating shafts and an expansion link 103
Executive item 105 is able to carry out three degree of freedom, and so as to meet to perform the operation, executive item 105 is performed the operation required various actions, due to transmission
Chain is less so that the spatial shape of operation executive item 105 and action easily determine.
As shown in Figures 2 and 3, operation device 200 includes action bars 240, keeping body 203, passes through the first pivot 206 respectively
It is rotatably connected with the second pivot 207 in keeping body 203 and the first arc batten and the second arc strip that pivot center is perpendicular
Plate, the first arc 201 and the second arc 202 offer long guiding hole 204 in its bearing of trend；In action bars 240
Portion joins on oscillating bearing 205, and its head wears the long guiding hole 204 of the first arc 201 and the second arc 202, and
It can be slided along long guiding hole 204, and the first arc 201 and the place center of circle of the second arc 202 and turn of oscillating bearing 205
Dynamic center superposition, in this way, action bars 240 can be smoothly along the first arc 201 and the long guiding hole 204 of the second arc 202
It is interactive.When the head of action bars 240, the long guiding hole 204 along the second arc 202 slides, action bars 240 is actually being held
Row first rotational freedom corresponding with operation executive item 105, and the corner of the first arc 201 driven by action bars 240
It is consistent that the corner of its first rotational freedom is performed with action bars 240, similarly, when the head of action bars 240 is along the first arc
When the long guiding hole 204 of plate 201 slides, action bars 240 is actually being performed with performing the operation the rotation of executive item 105 corresponding second certainly
By spending, and the corner of the second arc 202 driven by action bars 240 performs its second rotational freedom with action bars 240
Corner is consistent.The afterbody of action bars 240 is arranged with sleeve pipe 241, and sleeve pipe 241 can move axially on action bars 240, so as to hold
Row and 105 corresponding one-movement-freedom-degree of executive item of performing the operation.Have and executive item 105 of performing the operation that is, action bars 240 forms
The first rotational freedom corresponding to the first rotational freedom, the second rotational freedom corresponding the with executive item 105 of performing the operation
Two rotational freedoms and one-movement-freedom-degree corresponding with the one-movement-freedom-degree for executive item 105 of performing the operation.
As illustrated in figures 1 and 8, drive mechanism, which includes being used for corresponding to respectively, drives operation executive item 105 to perform its first turn
The dynamic free degree, the first driver 210 of the second rotational freedom and one-movement-freedom-degree, the second driver 220 and the 3rd drive
Dynamic device 230；Specifically, first driver 210 is to be arranged at first rotating shaft 101 and the stepper motor of the junction of fixing body 104,
Second driver 220 is the stepper motor for being arranged at the junction of 101 and second rotating shaft of first rotating shaft 102；Two stepper motor
Operation executive item 105 is set to perform the first rotational freedom and the by corresponding to the driving rotating shaft 102 of first rotating shaft 101 and second respectively
Two rotational freedoms；3rd driver 230 includes the stepper motor 232 being arranged in the second rotating shaft 102 and expansion link 103 1
Body formed screw and it is installed on stepper motor and wears screw to form the leading screw 232 of worm drive, passes through stepping electricity
The rotation of machine causes expansion link 103 flexible so that operation executive item 105 performs its one-movement-freedom-degree.
As shown in Fig. 2, Fig. 3 and Fig. 8, spatial shape testing agency includes being used for corresponding detection action bars 240 respectively and existed
The first detector 250, the second detector 260 of rotational angle when performing its first rotational freedom, second rotational freedom
And the 3rd detector 270 of displacement of the detection action bars 240 when performing its one-movement-freedom-degree；Wherein, first, second,
It is dynamic that three drivers 230 correspond to the result driving operation executive item 105 detected according to first, second, third detector 270 respectively
Make, so that operation executive item 105 and the synchronization action of action bars 240；Specifically, the first detector 250 is to be arranged on the first arc
The angular transducer on the first pivot 206 on plate 201, first pivot 206 cause the first arc 201 and keeping body 203
Form rotatable connection；Second detector 260 is that the angle being arranged on the second pivot 207 on the second arc 202 passes
Sensor, second pivot 207 cause the second arc 202 to form rotatable connection, the 3rd detector 270 with keeping body 203
For the displacement transducer being arranged on sleeve pipe 241, the gear that displacement transducer distance compares standard is provided as on action bars 240
Plate 243, displacement transducer can realize the position of the sleeve pipe 241 on action bars 240 by the distance between measurement and baffle plate 243
Move.And the first detector 250, the second detector 260 and the 3rd detector 270 are right respectively by first processing module 330
It should be communicated with the first driver 210, the second driver 220 and the 3rd driver 230 to realize that action bars 240 is performing
The action of its three degree of freedom is performing keeping strokes for its three degree of freedom with operation executive item 105.The first processing module
330 include three the first signal adapters, 331, three the first controllers 332；Wherein, three the first controllers 332 are respectively used to
Control makes three stepper motors of its three degree of freedom of the execution of operation executive item 105, the first detector 250, the second detector 260
And the 3rd detector 270 correspond to two measured angle signals respectively by three the first signal adapters 331 and
Displacement signal is converted to three first and controls the signal that can be identified, such as voltage signal, three the first controllers 332 are according to this turn
The signal changed controls the action of three stepper motors respectively so that the action in three degree of freedom of operation executive item 105 with it is corresponding
Action bars 240 the action Complete Synchronization in three degree of freedom, for example, when action bars 240 is to perform it first rotatably mounted
Corner when spending is 3 °, and operation executive item 105 is performing its first rotational freedom also 3 ° of synchronous axial system.In this way, operation performs
Part 105 can synchronously correspond to action bars 240.
As shown in Fig. 2, Fig. 3 and Fig. 8, damping measuring means includes being used for corresponding detection operation executive item 105 respectively and existed
Perform first analyzer 350 of suffered torsion (or moment of torsion, similarly hereinafter) when rotating of its first rotational freedom, second, the
Two analyzers 360 and the 3rd survey for detecting the operation executive item 105 straight line resistance suffered when performing its one-movement-freedom-degree
Determine device 370；Specifically, the first analyzer 350 and the second analyzer 360 are to be respectively arranged in fixing body 104 and first rotating shaft 101
Torque sensor, the torque sensor of the junction of 101 and second rotating shaft of first rotating shaft 102 of junction.3rd analyzer 370 is
The pressure sensor that expansion link 103 is set between executive item 105 of performing the operation.Held in this way, the first analyzer 350 can measure operation
The torsion (or moment of torsion, similarly hereinafter) that row part 105 is formed when performing the first rotational freedom by suffered resistance；Second surveys
The torsion that operation executive item 105 is formed when performing the second rotational freedom by suffered resistance can be measured by determining device 360
(or moment of torsion, similarly hereinafter)；It is suffered when performing its one-movement-freedom-degree that 3rd analyzer 370 can measure operation executive item 105
The resistance on the axis direction of the second rotating shaft 102.
As shown in Fig. 4, Fig. 8, damping applying mechanism includes the first damper 281, the second damper 282 and the 3rd damping
Device 290；When executive item 105 of performing the operation performs its first rotational freedom, the first damper 281 is according to the institute of the first analyzer 350
The torsion detected applies to action bars 240 in rotation direction when performing its first rotational freedom reverses damping, and second
Torsion of the damper 282 according to detected by the second analyzer 360 is to action bars 240 when performing its second rotational freedom
Apply in rotation direction and reverse damping, the straight line resistance that the 3rd damper 290 arrives according to clamped by the 3rd analyzer 370 is to operation
Bar 240 applies straight line damping on the moving direction when performing one-movement-freedom-degree.Specifically, the first damper 281 and the second resistance
Buddhist nun's device 282, which is respectively used to apply to the first pivot 206 and the second pivot 207, reverses damping；First damper 281 and the second damping
Device 282 includes two tiles 301 of one end pivot joint；Friction plate 302 is provided with first pivot 206 and the second pivot 207；Two watts
Piece 301 is used to coat the first pivot 206 or the first pivot 206；Wherein：Spring is connected between the other end of two tiles 301
305, and the first permanent magnet 303 is provided with one of tile 301, it is provided with another tile 301 and the first permanent magnet
The first relative electromagnet 304 of 303 heteropoles, the first electromagnet 304 on the first damper 281 and the second damper 282 are distinguished
The corresponding torsion according to detected by the first analyzer 350 and the second analyzer 360 is damped to change by the first electromagnet 304
On coil electric current, with when the torsion torsion increase detected by the first analyzer 350 or the second analyzer 360, first
The electric current of coil on electromagnet 304 increases to increase the gravitation between the first permanent magnet 303 and the first electromagnet 304, to increase
Damping or increase second damper 282 damping to second pivot 207 of big first damper 281 to the first pivot 206；And
When the torsion detected by the first analyzer 350 or the second analyzer 360 reduces, coil on the first electromagnet 304
Electric current reduces to reduce the gravitation between the first permanent magnet 303 and the first electromagnet 304, to reduce the first damper 281 to the
The damping of the damping of one pivot 206 or the second damper 282 to the second pivot 207.3rd damper 290 includes being arranged at set
The second permanent magnet 292 on pipe 241 and it is arranged on action bars 240 and the relative with the homopolarity of the second permanent magnet 292 second electricity
Magnet 291；Second electromagnet 291 of the first damper 281 changes according to the straight line resistance detected by the 3rd analyzer 370
By the electric current of the coil on the second electromagnet 291, with when the straight line resistance increase detected by the 3rd analyzer 370,
The electric current of coil on two electromagnets 291 increases to increase the magnetic repulsion between the second permanent magnet 292 and electromagnet, with when the 3rd
When straight line resistance detected by analyzer 370 reduces, the electric current of the coil on the second electromagnet 291 reduces to reduce second forever
Magnetic repulsion between the electromagnet 291 of magnet 292 and second.First analyzer 350, the second analyzer 360 and the 3rd analyzer
370 are corresponded to and the first damper 281, the second damper 282 and the 3rd damper 290 respectively by Second processing module 340
Communicated.This and processing module includes three secondary signal converters, 341, three second controllers 342 and two ratios
Example amplifier 343；Three second controllers 342 are respectively used to control first in the first damper 281, the second damper 282
The electric current on the second electromagnet 291 in the 3rd damper 290 of electric current and control on coil on electromagnet 304；First
Analyzer 350, the second analyzer 360 and the 3rd analyzer 370 correspond to respectively passes through three secondary signal converters 341 by institute
Two torque signals and resistance signal of measure are converted to the signal that three second controllers 342 can identify, for example, voltage
Signal or current signal, three second controllers 342 control two Hes of the first electromagnet 304 respectively according to the signal of the conversion
The electric current of coil on one the second electromagnet 291, so that the torsion damping that the first damper 281 is provided determines with first
The moment of torsion that device 350 is determined is corresponding, what the torsion damping for being provided the second damper 282 was determined with the second analyzer 360
Moment of torsion is corresponding；The straight line damping for being provided the 3rd damper 290 is equal with the straight line resistance that the 3rd analyzer 370 is determined.
It should be noted that：Described " torsion damping and the institute of the first analyzer 350 that the first damper 281 is provided
The moment of torsion of measure is corresponding, the moment of torsion pair that the torsion damping for being provided the second damper 282 is determined with the second analyzer 360
Should " specifically refer to：
The torsion that two controllers control the first damper 281 and the second damper 282 to apply damps and first
Moment of torsion measured by the analyzer 360 of analyzer 350 and second is only proportional correspondence, and is not equal, and reason is：
Moment of torsion detected by first analyzer 350 and the second analyzer 360 correspond to perform the operation suffered by executive item 105 perpendicular to the
Make a concerted effort arm and the institute of the second rotating shaft 102 that resistance in one rotating shaft 101 and the direction of the second rotating shaft 102 is formed with first rotating shaft 101
The product of the arm of making a concerted effort formed, and the torsion damping that the first damper 281 and the second damper 282 are applied is action bars 240
Product (the both ends and joint shaft of the arm of making a concerted effort by action bars 240 for the arm of making a concerted effort that the feedback force of end is formed with action bars 240
The distance for holding 205 centers obtains).That is, if measured moment of torsion is equal with the torsion damping applied, and performs the operation and perform
Part 105 is different from the respective arm of making a concerted effort of action bars 240, the hand positioned at the end of action bars 240 is felt anti-
Present power with perform the operation executive item 105 suffered by generation moment of torsion resistance it is different, i.e. the feedback force of the end opponent of action bars 240 and
The feedback force of the operation opponent of executive item 105 of true directly operation executive item 105 is different, and the force feedback of action bars 240 is lost
Very.If however, make applied torsion damping and the moment of torsion that is determined proportional, and the ratio is if executive item of performing the operation
105 with the arm ratio of making a concerted effort of action bars 240, this make to go smoothly felt feedback force and true directly operation executive item
Feedback force suffered by 105 is identical, and the force feedback of action bars 240 will not distortion.
It should be explained that：So-called feedback force or so-called force feedback actually due to there is provided damper and produce
It is raw, with the sense with direct operation executive item 105 when the feedback force or force feedback cause doctor's manipulation operations bar 240
Feel.Produced that is, damper directly or indirectly applies when damping is and makes doctor's manipulation operations bar 240 to action bars 240
Implement the true sense of touch of operation.
The present invention is by setting damping measuring means and damping applying mechanism so that action bars 240 performs corresponding to operation
Part 105, so as to which action bars 240 generates force feedback, when making doctor's manipulation operations bar 240, operation executive item 105 can be felt
Suffered resistance, so as to and make doctor make operation executive item 105 when controlling operation executive item 105 using action bars 240
Act on the power in affected part causes the organ for destroying affected part without departing from default power.
The effect of two above-mentioned proportional amplifiers 343 is：Operation perform its simultaneously perform the first rotational freedom and/
Or during the second rotational freedom, two proportional amplifiers 343 are used for the change of the effective length of the operation according to action bars 240
Change (that is, the length of the arm of making a concerted effort of action bars 240) to change first by the first damper 281 and/or the second damper 282
The electric current of the coil of electromagnet 304.When the length increase of the arm of making a concerted effort of action bars 240, proportional amplifier 343 passes through for amplification
The electric current of the coil of first magnet, so that the proportional increasing with arm with joint efforts of the magnetic repulsion between the first magnet and the first permanent magnet 303
Greatly (it is constant due to reversing damping if not increasing electric current, and arm increases with joint efforts, and the force feedback of action bars 240 is inevitable smaller, from
And distortion), so that identical with the feedback force of direct operation executive item 105 to the feedback force of action bars 240.Work as action bars
When the length of 240 arm of making a concerted effort reduces, amplifier reduces electric current, and principle is identical.
Understood according to above-mentioned, proportional amplifier 343 make it that no matter action bars 240 is because performing one-movement-freedom-degree its length such as
What changes, and action bars 240 is always that doctor provides real force feedback.
The first damper 281 and the second damper 282 in above-described embodiment is indeed through tile 301 and friction plate
Friction between 302 damps to the first pivot 206 and the second pivot 207.Therefore, the friction between tile 301 and friction plate 302
Power decides the size for applying damping.On the other hand, the first analyzer 350 and torsion detected by the second analyzer 360 with
The damping that first damper 281 and the second damper 282 are applied needs to keep invariable ratio, so that operation executive item
105 by constant resistance when, action bars 240 produce identical force feedback.However, due to tile 301 and friction plate more than 302 times
Use, the roughness on its surface can diminish, so that the friction coefficient access times on its surface are continuously increased and constantly dropped
It is low.When constant torsion make it that the power between the first electromagnet 304 and the first permanent magnet 303 still keeps constant, i.e. tile
When radial pressure between 301 and friction plate 302 still keeps constant, due to the friction surface of tile 301 and friction plate 302
Coefficient of friction changes so that frictional force between the two reduces, so that the first damper 281 and the second damper 282 are applied
The torsion deattenuation added, this will certainly reduce the force feedback of action bars 240, make the process distortion of manipulation operations bar 240.
To make the first analyzer 350 and the torsion detected by the second analyzer 360 and the first damper 281 and the second resistance
What Buddhist nun's device 282 was applied damps the invariable proportionate relationship of holding to prevent the process distortion of manipulation operations bar 240.Such as Fig. 5
Shown in Fig. 7, in a preferred embodiment of the invention, there is provided two hydraulic damping applicators 400 are respectively as the first resistance
The damper 282 of Buddhist nun's device 281 and second, and the hydraulic damping applicator 400 is controlled by hydraulic controller 500.Specifically, the liquid
Pressure drag Buddhist nun applicator 400 includes a body 401 and rotor 404；The body 401 offers a fan-shaped chamber, described
Rotor 404 can be rotated in the body 401, and the dividing body 405 of sector, the dividing body are provided with the rotor 404
The chamber is divided into first chamber 402 and second chamber 403 by 405, the rotor 404 and pivot (i.e. the first pivot 206 or
The pivot 207 of person second) it is fixedly and coaxially connected, offer the first liquid from the export-oriented first chamber 402 of body 401 and second chamber 403
The hydraulic channel of body passage 407 and second；Hydraulic controller 500, which includes one, has the first vertical valve pocket 502 and horizontal the
The valve body 501 of two valve pockets 503 and the first vertical valve element 504 being arranged in the first valve pocket 502；From the extroversion of valve body 501
One valve pocket 502 opens up feed pathway, opens up oil discharge passage 507 from export-oriented first valve pocket 502 of valve body 501, the first valve element 504 passes through
Move up and down and flow to the passage section of liquid outlet channel from feed pathway so that the fluid pressure in oil discharge passage 507 is less than to change
Fluid pressure in feed pathway, liquid outlet channel are connected with the lower end of the first valve element 504 by the first liquid-conveying ducts 508；Second
The second valve element 505 is provided with valve pocket 503, the upper end of the first valve element 504 passes through the second liquid-conveying ducts 509 with the second valve pocket 503
Connect and be provided with spring 511；The second valve element 505 is provided with second valve pocket 503, one end of the second valve element 505 is provided with
Three permanent magnet 513,503 position relative with three permanent magnet 513 of the second valve pocket are provided with the 3rd electromagnet 512, the 3rd electromagnetism
Body 512 is relative with the homopolarity of three permanent magnet 513, and between be provided with spring 511, magnetic repulsion between the two causes the second valve element
505 other end is used to block the second liquid-conveying ducts 509；First valve element 504 is offered for connecting the He of the first liquid-conveying ducts 508
3rd liquid-conveying ducts 510 of the second liquid-conveying ducts 509, the second valve pocket 503 connect with fuel tank 700；Hydraulic controller 500 and hydraulic pressure
Reversal valve 600 is additionally provided between damping applicator 400, the reversal valve 600 is used to make the fluid passage of oil discharge passage 507 and first
407 or connected with second liquid passage 408.Wherein, the electric current on the 3rd electromagnet 512 is according to the first analyzer 350 and
The measured torsion of two measure is changed.
It should be noted that：Originally, the hydraulic medium in oil discharge passage 507 and the hydraulic medium in oil inlet passage 506
Pressure is equal, and the hydraulic medium in oil discharge passage 507 is by the first liquid-conveying ducts 508, the 3rd liquid-conveying ducts 510, the second drain
Passage 509, the second valve element 505 is then pushed against, open the second liquid-conveying ducts 509, now, the first valve element 504 is from bottom
Move so that the passage section for the second valve pocket 503 crossed for hydraulic fluid flow reduces, the pressure of the hydraulic medium in oil discharge passage 507
Power p2 is less than the pressure p 1 (pressure of the lower end of the first valve element 504 is also p2) of the hydraulic medium in oil inlet passage 506, the 3rd drain
Passage 510 is equivalent to throttle orifice, and the pressure of the upper end of the second valve element 505 is p3, and it is less than p2, when passage section constantly reduces
When, p2, p3 constantly reduce so that the second valve element 505 block the 3rd liquid-conveying ducts 510 again, now, the first valve element 504
Stopping moves up, and p3 is equal with p2 with the pressure sum of the spring 514 of the upper end of the first valve element 504, now, in oil discharge passage 507
Pressure is maintained at p2, and the closure power that p3 pressure value is blocked third channel by the second valve element 505 determines, that is to say, that by
Magnetic repulsion decision between the electromagnet 512 of three permanent magnet 513 and the 3rd, and because the elasticity of spring 514 will not have pressure
Large change, therefore, p2 is determined by p3, and therefore, the magnetic repulsion between the electromagnet 512 of three permanent magnet 513 and the 3rd decides
The pressure of hydraulic medium in oil discharge passage 507.So as to finally make the electric current by the 3rd electromagnet 512 determine oil discharge passage
The pressure of hydraulic medium in 507.
Because hydraulic controller 500 is connected by reversal valve 600 with hydraulic damping applicator 400, when operation executive item 105
When performing the first rotational freedom or the second rotational freedom and being rotated in a rotation direction, by changing reversal valve
The valve element of 600 (reversal valve 600 can be solenoid directional control valve 600, according to the rotation direction automatic reverse of operation executive item 105)
Action, the hydraulic medium of oil discharge passage 507 is set to enter in first chamber 402 or second chamber 403, for example, into the first chamber
In room 402, now the hydraulic medium in first chamber 402 is equal with the pressure of the hydraulic medium in oil discharge passage 507, the pressure
Exerted a force in the circumferential to the fan-shaped dividing body 405 of rotor 404, so as to produce damping (the first pivot 206 or the second to pivot
Pivot 207), and the pressure of the hydraulic medium in first chamber 402 determines the damping that hydraulic damping applicator 400 is applied,
In this way, in the size of current-first chamber 402 for passing through the torsion suffered by executive item 105 of performing the operation-by the coil of the 3rd electromagnetism
The relation determined correspondingly is established between the damping for the pressure of hydraulic medium-applied, so that the first analyzer 350
Keep permanent with the damping that the torsion detected by the second analyzer 360 and the first damper 281 and the second damper 282 are applied
Fixed constant proportionate relationship, so as to prevent the distortion of the process of manipulation operations bar 240.
It should be noted that：When the torsion increase detected by the first analyzer 350 and the second analyzer 360, pass through
The electric current for the coil that increase passes through the 3rd electromagnet 512 is to increase the pressure of the hydraulic medium of oil discharge passage 507, so as to corresponding
Increase the damping applied as the hydraulic damping applicator 400 of the first damper 281 and the second damper 282.
In a preferred embodiment of the invention, be provided with sleeve pipe 241 can made of nylon material damping sleeve
242, the damping sleeve 242, when action bars 240 is moved by sleeve pipe 241 and performs its one-movement-freedom-degree, to produce relatively small
The upward damping of damping shaft, the damping causes doctor when manipulation operations bar 240 performs its one-movement-freedom-degree, with more hand-held
The sense of reality of operation executive item 105.
In a preferred embodiment of the invention, it is provided with being used for for positive and negative setting in the dividing body 405 of rotor 404
The check valve 406 of first chamber 402 and second chamber 403 is connected, the check valve 406 can be opened under smaller pressure, work as doctor
When rotor 404 rotates during raw manipulation operations bar 240, doctor makes its first rotational freedom of execution of action bars 240 and second turn
During the dynamic free degree, there is less damping, so that doctor holds the true of executive item 105 of performing the operation with more directly operating
Sense.
It should be noted that：Set damping sleeve 242 and individual event valve are used to be not affected by damping in operation executive item 105
In the case of, give the sense of reality that doctor operates action bars 240.
Claims (8)
1. a kind of remote operation multi-spindle machining hand, for making operation executive item perform surgical action, it is characterised in that described remote
Cheng Shoushu multi-spindle machinings hand includes fixing body, the first rotating shaft being rotatablely connected with the fixing body, rotatably connected
Be connected to the second rotating shaft in the first rotating shaft, can along the expansion link of the axial stretching of second rotating shaft, wherein, first
Rotating shaft is vertically arranged and rotated around own rotation, second rotating shaft relative to the first rotating shaft in perpendicular.
2. a kind of remote operation device, including operation performs device and remote operation operating system, it is characterised in that the hand
Art performs device includes operation executive item and remote operation as claimed in claim 1 multi-spindle machining hand, the operation are held
Row part is arranged on expansion link of the remote operation with multi-spindle machining hand, and the first rotating shaft, which rotates, causes the operation to perform
Part has the first rotational freedom, and it is rotatably mounted perpendicular to first that second axis of rotation make it that the operation executive item has
Degree determines the second rotational freedom of plane, and the expansion link, which stretches, causes operation executive item has to be rotated certainly perpendicular to first
The one-movement-freedom-degree of plane is determined with the second rotational freedom by spending.
3. remote operation device according to claim 2, it is characterised in that the remote operation operating system includes operation
Device, drive mechanism, spatial shape testing agency, damping measuring means and damping applying mechanism；
The operation device includes action bars, and the action bars has the three degree of freedom corresponding with the operation executive item；
The drive mechanism include be used for respectively correspond to driving it is described operation executive item perform its first rotational freedom, second turn
The first driver, the second driver and the 3rd driver of the dynamic free degree and one-movement-freedom-degree；
The spatial shape testing agency include being used for corresponding to respectively the detection action bars perform its first rotational freedom,
The first detector, the second detector and the detection action bars of rotational angle during the second rotational freedom are performing its shifting
3rd detector of displacement during the dynamic free degree；Wherein, first, second, third driver correspond to respectively according to first, second,
The result driving operation executive item action that 3rd detector is detected, so that the operation executive item and the action bars are same
Step acts；
It is described damping measuring means include be used for respectively correspond to detection it is described operation executive item perform its first rotational freedom,
The first analyzer, the second analyzer and the detection operation executive item of second torsion suffered when rotating are performing its shifting
3rd analyzer of suffered straight line resistance during the dynamic free degree；
The damping applying mechanism includes the first damper, the second damper and the 3rd damper；When the operation executive item
When performing its first rotational freedom, torsion of first damper according to detected by first analyzer is to the behaviour
Make bar and apply torsion damping in the rotation direction when performing its first rotational freedom, second damper is according to described the
Torsion detected by two analyzers applies to the action bars in rotation direction when performing its second rotational freedom to be turned round
Turn damping, the straight line resistance that the 3rd damper arrives according to clamped by the 3rd analyzer is performing shifting to the action bars
Apply straight line damping on moving direction during the dynamic free degree.
4. remote operation device according to claim 3, it is characterised in that the operation device also includes keeping body, divided
It is not rotatably connected by the first pivot and the second pivot in the keeping body and the first arc batten that pivot center is perpendicular
With the second arc batten, first arc offers long guiding hole with second arc in its bearing of trend；Institute
The middle part for stating action bars joins on oscillating bearing, and its head wears the guiding length of first arc and the second arc
Hole, and can be slided along long guiding hole.
5. remote operation device according to claim 4, it is characterised in that first damper and second damping
Device, which is respectively used to apply to first pivot and second pivot, reverses damping；First damper and second resistance
Buddhist nun's device includes two tiles being articulated；Friction plate is provided with first pivot and second pivot；Two tiles
For coating first pivot or first pivot；Wherein：
Spring is connected between two tiles, and the first permanent magnet is provided with one of them described tile, another tile
On be provided with first electromagnet relative with the first permanent magnet heteropole, on first damper and second damper
The first electromagnet correspond to be damped according to the torsion detected by the first analyzer and the second analyzer respectively and to change pass through institute
The electric current of the coil on the first electromagnet is stated, to be turned round when the torsion detected by first analyzer or second analyzer
During power increase, the electric current of the coil on first electromagnet increases to increase first permanent magnet and first electromagnet
Between gravitation, to increase damping of first damper to first pivot or increase second damper to institute
State the damping of the second pivot；And when the torsion detected by first analyzer or second analyzer reduces, institute
The electric current for stating the coil on the first electromagnet reduces to reduce the gravitation between first permanent magnet and first electromagnet,
To reduce damping or second damper resistance to second pivot of first damper to first pivot
Buddhist nun.
6. remote operation device according to claim 3, it is characterised in that first detector and second detection
Device is angular transducer, and the 3rd detector is displacement transducer.
7. remote operation operating system according to claim 3, it is characterised in that first analyzer and described second
Analyzer is torque sensor；3rd analyzer is pressure sensor.
8. remote operation device according to claim 4, it is characterised in that the afterbody of the action bars is arranged with sleeve pipe,
3rd damper include the second permanent magnet for being arranged in described sleeve pipe and be arranged on the action bars and with it is described
The second relative electromagnet of second permanent magnet homopolarity；Second electromagnet of first damper is according to the 3rd analyzer institute
The straight line resistance detected changes the electric current by the coil on second electromagnet, to be examined when the 3rd analyzer
During the straight line resistance increase measured, the electric current of the coil on second electromagnet increases to increase second permanent magnet and institute
State the magnetic repulsion between electromagnet, with when detected by the 3rd analyzer straight line resistance reduce when, second electromagnetism
The electric current of coil on body reduces to reduce the magnetic repulsion between second permanent magnet and second electromagnet.
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|---|---|---|---|
| CN201710866787.3A CN107496031A (en) | 2017-09-22 | 2017-09-22 | Remote operation multi-spindle machining hand and remote operation device |
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| CN201710866787.3A CN107496031A (en) | 2017-09-22 | 2017-09-22 | Remote operation multi-spindle machining hand and remote operation device |
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| CN201710866787.3A Pending CN107496031A (en) | 2017-09-22 | 2017-09-22 | Remote operation multi-spindle machining hand and remote operation device |
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| CN109199535A (en) * | 2018-11-02 | 2019-01-15 | 谢小姣 | A kind of high stability tonsillotome squeezing cutter |
| CN109199534A (en) * | 2018-11-02 | 2019-01-15 | 谢小姣 | A kind of tonsillotome squeezing cutter fixing piece and squeezing cutter |
| CN109223173A (en) * | 2018-11-10 | 2019-01-18 | 谢小姣 | A kind of department of stomatology multi-angle operation electric coagulation forceps |
| CN109223172A (en) * | 2018-11-10 | 2019-01-18 | 谢小姣 | A kind of gynaecology and obstetrics operation electric coagulation forceps |
| CN110811792A (en) * | 2019-12-04 | 2020-02-21 | 温州医科大学附属第一医院 | Automatic uterus lifting device |
| CN112568998A (en) * | 2020-12-08 | 2021-03-30 | 北京美迪云机器人科技有限公司 | Remote master-slave interactive medical system and method |
| CN113653757A (en) * | 2021-08-18 | 2021-11-16 | 常州唯精医疗机器人有限公司 | Friction damping device and passive joint and surgical robot with same |
| WO2022161498A1 (en) * | 2021-02-01 | 2022-08-04 | 武汉联影智融医疗科技有限公司 | Master arm control device for robot, and robot |
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| CN109223173A (en) * | 2018-11-10 | 2019-01-18 | 谢小姣 | A kind of department of stomatology multi-angle operation electric coagulation forceps |
| CN109223172A (en) * | 2018-11-10 | 2019-01-18 | 谢小姣 | A kind of gynaecology and obstetrics operation electric coagulation forceps |
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| WO2022161498A1 (en) * | 2021-02-01 | 2022-08-04 | 武汉联影智融医疗科技有限公司 | Master arm control device for robot, and robot |
| CN113653757A (en) * | 2021-08-18 | 2021-11-16 | 常州唯精医疗机器人有限公司 | Friction damping device and passive joint and surgical robot with same |
| CN113653757B (en) * | 2021-08-18 | 2022-12-30 | 常州唯精医疗机器人有限公司 | Friction damping device and passive joint and surgical robot with same |
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