CN107625549A - Wrist joint videoendoscopic surgery hitch frame - Google Patents
Wrist joint videoendoscopic surgery hitch frame Download PDFInfo
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- CN107625549A CN107625549A CN201710882325.0A CN201710882325A CN107625549A CN 107625549 A CN107625549 A CN 107625549A CN 201710882325 A CN201710882325 A CN 201710882325A CN 107625549 A CN107625549 A CN 107625549A
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- pull rope
- wheel
- guide wheel
- traction position
- tractive force
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 26
- 210000003857 wrist joint Anatomy 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 9
- 241000237858 Gastropoda Species 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008520 organization Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 208000012659 Joint disease Diseases 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
Abstract
The present invention relates to a kind of wrist joint videoendoscopic surgery hitch frame,Including column and draw-gear,Draw-gear includes pull rope,Pull rope guide wheel assemblies and polling power controlling mechanism,The top of column is provided with crossbeam,The front end of pull rope is provided with fixed fingerstall,The tail end connection polling power controlling mechanism of pull rope,The front and rear traction position that crossbeam includes the mounting rail fixed with column top and coordinated along mounting rail length direction slide-and-guide adjusts beam,Front and rear traction position regulation beam is combined with retractable driving device,The front end of front and rear traction position regulation beam is combined with left and right traction position adjusting slider along horizontally slipping,Left and right traction position adjusting slider is combined with left and right adjusting drive device,Draw-gear also includes being used to detect and show the traction force detection sensor of tractive force,Drawing wheel assembly includes the front end guide wheel on left and right traction position adjusting slider and pull rope is oriented to the middle guide wheel group of polling power controlling mechanism by front end guide wheel.Realize that arm distracted position adjusts in surgical procedure.
Description
Technical field
The present invention relates to technical field of medical instruments, for drawing the traction of arm when being specifically wrist joint videoendoscopic surgery
Frame.
Background technology
Arthrocsopic surgery refers to the operation made of arthroscope.Arthroscope is a kind of diameter for observing intra articular structure
5mm or so bar-shaped optical instrument, it is the endoscope for doctor's diagnosis and treatment joint diseases.The apparatus from popularization and application in 1970,
Arthroscope is equipped with a lens in the end of a tubule, tubule is inserted into intra articular, the structure of intra articular will supervise
Shown on visual organ.
Therefore, the structure of intra articular can be observed directly.Arthrocsopic surgery is several " chopsticks " by cutting skin
Size or smaller hole (5 one 10 millimeters), camera, surgical instrument are stretched into person joint, under display monitoring, by doctor
Operation, diagnoses and treats various joint diseases.
For the hitch frame structure used on existing wrist joint videoendoscopic surgery to include column, column top is provided with crossbeam, crossbeam
On through guide wheel be provided with traction steel rope of cable, crossbeam realizes hanging arrangement traction, avoids blocking other apparatuses, traction steel rope of cable one end connects
Fingerstall is connect, is fixed by the finger of fingerstall and operator, the traction steel rope of cable other end has hung heavy burden thing（Such as bag of saline）Led with providing
Gravitation, column are provided with castor and are easy to the carrying of hitch frame, and column is provided with locked instrument, in surgical procedure by hitch frame with
Operation table is fixed.Following technological deficiency be present in existing hitch frame：1st, the distracted position of arm is fixed, but in surgical procedure generally
Need to be adjusted the distracted position of arm, therefore distracted position adjustment of the existing hitch frame in surgical procedure to arm is not
Just；2nd, tractive force carries out the control of tractive force by heavy burden things such as bag of saline, and the control of tractive force is inaccurate.
The content of the invention
Objects of the present invention：The defects of to overcome prior art to exist, the present invention provide arm in a kind of surgical procedure
Distracted position wrist joint videoendoscopic surgery hitch frame easy to adjust.
To achieve the above object, the invention provides following technical scheme：
A kind of wrist joint videoendoscopic surgery hitch frame, including column and draw-gear, the draw-gear include pull rope, for traction
Rope is oriented to the pull rope guide wheel assemblies and polling power controlling mechanism worn, and the bottom of column is provided with stationary fixture, described vertical
The top of post is provided with crossbeam, and it is fore-and-aft direction to make crossbeam length direction, and strut length direction is short transverse, with fore-and-aft direction,
The vertical direction of short transverse is left and right directions, and the front end of pull rope is provided with fixed fingerstall, the tail end connection tractive force of pull rope
Controlling organization, it is characterised in that：Described crossbeam includes the mounting rail fixed with column top, and along mounting rail length direction
The front and rear traction position regulation beam that slide-and-guide coordinates, front and rear traction position regulation beam are combined with the telescopic drive dress for driving its movable
Put, the front end of the front and rear traction position regulation beam is combined with left and right traction position adjusting slider along horizontally slipping, and left and right traction position is adjusted
Section sliding block is combined with left and right adjusting drive device, and the tractive force detection that draw-gear also includes being used to detecting and showing tractive force passes
Sensor, the traction wheel assembly include the front end guide wheel on left and right traction position adjusting slider and lead pull rope by front end
Wheel is oriented to the middle guide wheel group of polling power controlling mechanism.
By using above-mentioned technical proposal, crossbeam uses telescopic setting, and front and rear traction position adjusts the activity of beam, so as to
Reach the distracted position adjustment of regulation arm fore-and-aft direction, the activity of left and right traction position adjusting slider reaches arm in left-right direction
Distracted position adjustment, so as to realize the adjustment in surgical procedure to arm distracted position, facilitate the manipulation in surgical procedure；Lead
Gravitation detection sensor is easy to the display and control of tractive force.
Preferably, the polling power controlling mechanism is pull rope furling mechanism, and pull rope furling mechanism includes being located at column
The motor housing of bottom, motor housing is interior to be provided with retracting motor, furls worm screw, retracting worm gear, furls wheel shaft and retracting wheel, furls electricity
The output end connection retracting worm screw of machine, retracting worm screw and retracting worm gear corresponding matching, retracting wheel shaft are rotatably arranged in motor housing,
Furl worm gear and retracting wheel is arranged on retracting wheel shaft.Under the structure design, driven using worm and gear and realize retracting and traction
The polling power controlling of rope, worm and gear have the advantages that noise is small, gearratio is big, driving force is big, can effectively ensure that retracting
The advantages of reliable and polling power controlling is reliable.
Preferably, the draw-gear also includes in front and rear traction position regulation beam, left and right traction position adjusting slider movement
Ensure the constant tractive force balance mechanism of tractive force during adjusting arm distracted position, tractive force balance mechanism includes being located at
Cant beam on rear side of column and installation crossbeam link position corner, cant beam one end are fixed on mounting rail, and the cant beam other end is fixed
The tractive force regulation support base that support guide wheel is turned to pull rope is sliding combined with column, on cant beam, pull rope winding is simultaneously
It is supported on tractive force to adjust on the pull rope steering support guide wheel of support base, the sliding trace of tractive force regulation support base is with standing
Post, installation crossbeam are triangular in shape, and tractive force regulation support base is combined with tractive force regulation driver of its slip of driving.The structure
Under design, tractive force balance mechanism realizes carries out distracted position tune in front and rear traction position regulation beam, left and right traction position adjusting slider
It can ensure that the tractive force of pull rope is constant during whole, and tractive force balance mechanism is used and connected located at column with installation crossbeam
The tractive force regulation support base that position corner is supported to pull rope, had both served the guide effect to pull rope, simultaneously
Because the space of corner is larger, easily the bearing height of pull rope can be adjusted, i.e., to pull rope rate of tension
Adjustment, so as to reach the tractive force regulation of control pull rope, there is the advantages of simple in construction, easy to operate.
Preferably, the pull rope turns to and pull rope disk wheel is supported by support guide wheel, pull rope disk wheel and traction
Rope support guide wheel is mutually fastened and can relatively rotated, and pull rope disk wheel forms the traction of radial-sealing with pull rope support guide wheel
Rope is oriented to mounting hole, and pull rope disk wheel is combined with disk wheel mounting seat, and disk wheel mounting seat adjusts support base into tractive force
Glide direction is consistent to be snug fit on cant beam, and disk wheel mounting seat is combined with driving pull rope disk wheel and is supported in pull rope
Driving spring on support wheel.Under the structure design, it can effectively ensure that pull rope is limited in pull rope and turns to support guide wheel
On.
Preferably, the middle guide wheel group includes positioned opposite a pair or so of the left and right directions that is fixed on mounting rail
Spacing guide wheel, and a pair of longitudinal spacing guide wheels that the above-below direction that is fixed on mounting rail is positioned opposite, the spacing guide wheel in left and right
With respect to snapping and setting composition can be relatively rotated by two line wheels with annular groove with longitudinal spacing guide wheel, left and right is spacing to lead
Wheel surrounds left and right through two line wheels and surrounds longitudinal spacing threading hole through two line wheels to spacing threading hole, longitudinal spacing guide wheel, left
The spacing threading hole of dextrad and longitudinal spacing threading hole are located in the same horizontal position, and the spacing guide wheel in left and right is located at longitudinal spacing guide wheel
Between the guide wheel of front end.Under the structure design, ensure during left and right distracted position adjusts, pull rope has to be oriented to well
Effect.
Preferably, the left and right adjusting drive device includes hollow shaft motor, drive shaft, left and right adjusting driving worm screw, a left side
Right regulation driving worm gear, left and right adjusting power transmission shaft and left and right adjusting drive screw, the hollow shaft motor are fixedly installed in peace
Fill on beam, spline housing is provided with the axis hole of the hollow shaft of hollow shaft motor, the drive shaft is the flower with spline housing corresponding matching
Key axle, drive shaft is rotatable and is matched with axial sliding on mounting rail, and splined shaft drives worm screw through shaft coupling with left and right adjusting
Connection, left and right adjusting driving worm screw coordinate with left and right adjusting driving worm-drive, and left and right adjusting driving worm gear is installed on left and right and adjusted
Save on power transmission shaft, left and right adjusting power transmission shaft and the coaxial arrangement of left and right adjusting drive screw, left and right adjusting power transmission shaft are adjusted with left and right
Section drive screw is connected through gear pair, and the left and right adjusting drive screw coordinates with left and right traction position adjusting slider screw thread.
Under the structure design, the power transmission between hollow shaft motor and drive shaft is realized in the cooperation of splined shaft and spline housing, while
It relative can slide, acted with adapting to the front and rear regulation of front and rear traction position regulation beam, therebetween using worm and gear and nut on axially
Screw mechanism carries out cooperation and reaches power transmission, has the advantages of compact-sized, stable transmission.
Preferably, the retractable driving device includes front and rear traction position regulation beam motor, front and rear traction position regulation beam
Drive screw and front and rear traction position regulation beam drive nut, front and rear traction position regulation beam drive nut are fixedly installed in front and rear lead
Draw on position regulation beam, front and rear traction position regulation beam drive screw and front and rear traction position regulation beam drive nut corresponding matching are front and rear
Regulation beam drive screw locating rotation in traction position is installed on mounting rail, front and rear traction position regulation beam drive screw and front and rear traction
The output end drive connection of position regulation beam motor.Under the structure design, driving regulation is realized using bolt and nut, has and passes
The advantages of dynamic stability and accurate reliable regulation.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention wrist joint videoendoscopic surgery hitch frame structural representation；
Fig. 2 is the structural representation of specific embodiment of the invention header portion；
Fig. 3 is specific embodiment of the invention pull rope furling mechanism structural representation；
Fig. 4 is that the specific embodiment of the invention looks up traction position adjusting slider driving structure schematic diagram in left and right under visual angle；
Fig. 5 is that the specific embodiment of the invention overlooks traction position adjusting slider driving structure schematic diagram in left and right under visual angle；
Fig. 6 is the structural representation of specific embodiment of the invention tractive force balance mechanism；
Fig. 7 is the spacing guide wheel in left and right and longitudinal spacing Guiding wheel structure schematic diagram on specific embodiment of the invention mounting rail.
Embodiment
Referring to accompanying drawing 1 ~ 7, a kind of wrist joint videoendoscopic surgery hitch frame disclosed by the invention, including column 1 and draw-gear,
Column 1 is set for flexible pipe structure, the convenient height for adjusting column, and the draw-gear includes pull rope 2, is oriented to for pull rope
The pull rope guide wheel assemblies and polling power controlling mechanism 3 worn, the bottom of column 1 are provided with stationary fixture 11, stationary fixture
11 be routine techniques, therefore its structure repeats no more, and the top of the column 1 is provided with crossbeam 4, and it is front and rear to make the length direction of crossbeam 4
Direction（Direction where X-axis in Fig. 1）, the length direction of column 1 is short transverse（Direction where Y-axis in Fig. 1）, with fore-and-aft direction,
The vertical direction of short transverse is left and right directions（Direction where Z axis in Fig. 1）, the front end of pull rope 2, which is provided with, fixes fingerstall 21, Gu
It is routine techniques to determine fingerstall 21, therefore its structure repeats no more, the tail end connection polling power controlling mechanism 3 of pull rope 2, described horizontal stroke
Beam 4 includes the mounting rail 41 fixed with the top of column 1, and the front and rear traction coordinated along the length direction slide-and-guide of mounting rail 41
Position regulation beam 42, front and rear traction position regulation beam 42, which is combined with, drives its movable retractable driving device, and the front and rear traction position is adjusted
The front end for saving beam 42 is combined with left and right traction position adjusting slider 5 along horizontally slipping, and left and right traction position adjusting slider 5 is combined with left and right
Drive device is adjusted, draw-gear also includes being used to detect and show that the traction force detection sensor of tractive force (does not show in figure
Go out), the traction wheel assembly includes the front end guide wheel 61 being located on left and right traction position adjusting slider 5 and by pull rope 2 by preceding
Guide wheel 61 is held to be oriented to the middle guide wheel group of polling power controlling mechanism 3.Crossbeam uses telescopic setting, the regulation of front and rear traction position
The activity of beam, so as to reach the distracted position adjustment of regulation arm fore-and-aft direction, the activity of left and right traction position adjusting slider reaches
The distracted position adjustment of arm in left-right direction, so as to realize the adjustment in surgical procedure to arm distracted position, convenient operation
During manipulation；Traction force detection sensor is easy to the display and control of tractive force.Traction force detection sensor can use
The tensiometer being arranged on pull rope, certainly for ease of Automated condtrol, using other detection sensors, referring specifically to hereafter.
The polling power controlling mechanism 3 is pull rope furling mechanism, and pull rope furling mechanism is included located at the bottom of column 1
Motor housing 31, motor housing 31 is interior to be provided with retracting motor 32, furls worm screw 33, retracting worm gear 34, furls wheel shaft 35 and retracting wheel
36, the output end connection retracting worm screw 33 of retracting motor 32, furl worm screw 33 and the retracting corresponding matching of worm gear 34（Engaged transmission）,
Retracting wheel shaft 35 is rotatably arranged in motor housing 31, can be installed by bearing, and retracting worm gear 34 and retracting wheel 36 are arranged on
Furl on wheel shaft 35.The installation cooperation structure for furling worm gear 34, retracting wheel 36 and retracting wheel shaft 35 is routine techniques, therefore no longer superfluous
State, drive the polling power controlling for realizing retracting and pull rope using worm and gear, worm and gear have noise is small, gearratio is big,
The advantages that driving force is big, it can effectively ensure that the advantages of retracting is reliable and polling power controlling is reliable.Motor housing is put in column
Bottom, improve the resistance to overturning of hitch frame.Be directed to gear, traction force detection sensor can use detection retracting electricity
The torque sensor of machine output torque, the tractive force that the data that torque sensor detects form pull rope by conversion belong to aobvious
Shown in display screen.The draw-gear also includes to be moved in front and rear traction position regulation beam 42, left and right traction position adjusting slider 5
Ensure the constant tractive force balance mechanism 7 of tractive force during dynamic regulation arm distracted position.Tractive force balance mechanism can adopt
Reach polling power controlling with the folding and unfolding pull rope of retracting motor, but the control mode has regulation inconvenience.Therefore adopted in the present invention
With tractive force balance mechanism 7 includes located at column 1 and installs the cant beam 71 on rear side of the link position corner of crossbeam 41, cant beam 71
One end is fixed on mounting rail 41, and the other end of cant beam 71 is fixed on column 1, and band pull rope is sliding combined with cant beam 71 and is turned to
The tractive force regulation support base 73 of guide wheel 72 is supported, tractive force adjusts support base 73 and reaches slip through guide rod and guide hole cooperation and match somebody with somebody
Close, pull rope turns to support guide wheel 72 and is rotatably arranged on tractive force regulation support base 73 through wheel shaft, and the winding of pull rope 2 is simultaneously supported on
The pull rope of tractive force regulation support base 73 is turned on support guide wheel 72, and tractive force adjusts the sliding trace and column of support base 73
1st, installation crossbeam 41 is triangular in shape, and tractive force regulation support base 73 is combined with tractive force regulation driver 74 of its slip of driving.
Tractive force regulation driver can use electric cylinders, can also use cylinder to set certainly.Tractive force balance mechanism use located at column and
The tractive force regulation support base that installation crossbeam link position corner is supported to pull rope, had both served and pull rope had been led
To effect, simultaneously because the space of corner is larger, easily the bearing height of pull rope can be adjusted, i.e., to traction
The adjustment for rate of tension of restricting, so as to reach the tractive force regulation of control pull rope, there is the advantages of simple in construction, easy to operate.Lead
Gravitation detection sensor can also use the pressure sensor on tractive force regulation support base 73（Not shown in figure, but pressure passes
Sensor is conventional components, and it can be arranged between the output shaft of electric cylinders and tractive force regulation support base 73）, for detecting pull rope
It is pressed on pull rope and turns to the pressure supported when on guide wheel, so as to shows the tractive force size of pull rope and be easy to regulation to draw
Power reaches tractive force equilibrium.
To ensure that pull rope position is reliable, the pull rope turns to and is supported by pull rope disk wheel 75 on support guide wheel 72,
Pull rope disk wheel 75 is mutually fastened and can relatively rotated with pull rope support guide wheel 73, pull rope disk wheel 75 and pull rope branch
The pull rope guiding mounting hole that guide wheel 73 forms radial-sealing is supportted, pull rope disk wheel 75 is combined with disk wheel mounting seat 76, sealed
Wheel mounting seat 76 is closed into the glide direction of support base 73 is consistent is snug fit on cant beam 71 with tractive force regulation, disk wheel is installed
Seat is combined with the driving spring 77 that driving pull rope disk wheel is supported on pull rope support wheel.It can effectively ensure that pull rope
Pull rope is limited in turn on support guide wheel.
To be further ensured that the position of the pull rope during distracted position adjustment is reliable, the middle guide wheel group includes
The left and right directions that is fixed on mounting rail 41 a pair or so spacing guide wheels 62 positioned opposite, and be fixed on mounting rail 41
Above-below direction a pair of longitudinal spacing guide wheels 63 positioned opposite, the spacing guide wheel 62 in left and right and longitudinal spacing guide wheel 63 are by two bands
The line wheel of annular groove with respect to snapping and can relatively rotate setting form, the spacing guide wheel 62 in left and right through two line wheels surround left and right to
Spacing threading hole, longitudinal spacing guide wheel 63 surround longitudinal spacing threading hole through two line wheels, and left and right is to spacing threading hole and longitudinal direction
Spacing threading hole is located in the same horizontal position, the spacing guide wheel 62 in left and right be located at longitudinal spacing guide wheel 63 and front end guide wheel 61 it
Between.Ensure during left and right distracted position adjusts, there is pull rope good guide support to act on.I.e. ensure front end guide wheel with
When position adjusting slider activity is drawn in left and right, pull rope reliably can turn to branch through the pull rope on tractive force regulation support base
Guide wheel is supportted, ensures that tractive force adjustment is reliable.
In this specific embodiment, the left and right adjusting drive device includes hollow shaft motor 81, drive shaft 82, left and right adjusting
Drive worm screw 83, left and right adjusting driving worm gear 84, left and right adjusting power transmission shaft 85 and left and right adjusting drive screw 86, hollow shaft electricity
Machine 81 is that output shaft is hollow motor, and it is the device that can be directly bought on existing market, therefore for the structure sheet of itself
Repeated no more in specific embodiment, the hollow shaft motor 81 is fixedly installed on mounting rail 41, hollow shaft motor 81 it is hollow
Spline housing 811 is provided with the axis hole of axle, spline housing 811 can be used with the hollow shaft of hollow shaft motor 81 one or using flat
Key, jump ring, either the existing fixing assembling mode of screw or close-fitting etc. installed, the drive shaft 82 is and spline housing
The splined shaft of 811 corresponding matchings, drive shaft 82 is rotatable and is matched with axial sliding on mounting rail 41, left and right adjusting driving snail
The locating rotation of bar 83 coordinates on front and rear distracted position regulation beam 41, and splined shaft connects with left and right adjusting driving worm screw 83 through shaft coupling
Connect, left and right adjusting driving worm screw 83 coordinates with the left and right adjusting driving transmission of worm gear 84, and left and right adjusting driving worm gear 84 is installed on a left side
On right regulation power transmission shaft 85, left and right adjusting power transmission shaft 85 and 86 coaxial arrangement of left and right adjusting drive screw, left and right adjusting transmission
Axle 85 is connected with left and right adjusting drive screw 86 through gear pair, and the left and right adjusting drive screw 86 is adjusted with left and right traction position
The screw thread of sliding block 5 is saved to coordinate.The cooperation of splined shaft and spline housing, the power transmission between hollow shaft motor and drive shaft is realized, together
When relative can slide in the axial direction, acted with adapting to the front and rear regulation of front and rear traction position regulation beam, therebetween using worm and gear and
Nut-screw mechanism carries out cooperation and reaches power transmission, has the advantages of compact-sized, stable transmission.
In addition, the retractable driving device includes front and rear traction position regulation beam motor 91, front and rear traction position regulation beam
Drive screw 92 and front and rear traction position regulation beam drive nut 93, front and rear traction position regulation beam drive nut 93 are fixedly installed in
On front and rear traction position regulation beam 42, front and rear traction position regulation beam drive screw 92 and front and rear traction position regulation beam drive nut 93 are right
It should coordinate, the front and rear locating rotation of traction position regulation beam drive screw 92 is installed on mounting rail 41, and front and rear traction position regulation beam drives
The output end drive connection of dynamic screw rod 92 and front and rear traction position regulation beam motor 91.Realize that driving is adjusted using bolt and nut
Section, there is the advantages of stable transmission and accurate reliable regulation.
Claims (7)
1. a kind of wrist joint videoendoscopic surgery hitch frame, including column and draw-gear, the draw-gear includes pull rope, for leading
Messenger is oriented to the pull rope guide wheel assemblies and polling power controlling mechanism worn, and the bottom of column is provided with stationary fixture, described
The top of column is provided with crossbeam, and it is fore-and-aft direction to make crossbeam length direction, and strut length direction is short transverse, with front and back
The direction vertical to, short transverse is left and right directions, and the front end of pull rope is provided with fixed fingerstall, the tail end connection traction of pull rope
Power controlling organization, it is characterised in that：Described crossbeam include with column top fix mounting rail, and along installation beam length side
The front and rear traction position coordinated to slide-and-guide adjusts beam, and front and rear traction position regulation beam is combined with the telescopic drive dress for driving its movable
Put, the front end of the front and rear traction position regulation beam is combined with left and right traction position adjusting slider along horizontally slipping, and left and right traction position is adjusted
Section sliding block is combined with left and right adjusting drive device, and the tractive force detection that draw-gear also includes being used to detecting and showing tractive force passes
Sensor, the traction wheel assembly include the front end guide wheel on left and right traction position adjusting slider and lead pull rope by front end
Wheel is oriented to the middle guide wheel group of polling power controlling mechanism.
2. wrist joint videoendoscopic surgery hitch frame according to claim 1, it is characterised in that：The polling power controlling mechanism is traction
Rope furling mechanism, pull rope furling mechanism include the motor housing located at column bottom, are provided with motor housing and furl motor, retracting snail
Bar, retracting worm gear, retracting wheel shaft and retracting wheel, furl the output end connection retracting worm screw of motor, retracting worm screw and retracting snail
Corresponding matching is taken turns, retracting wheel shaft is rotatably arranged in motor housing, and retracting worm gear and retracting wheel are arranged on retracting wheel shaft.
3. wrist joint videoendoscopic surgery hitch frame according to claim 2, it is characterised in that：The draw-gear also includes preceding
Ensure that tractive force is constant during rear haulage position regulation beam, left and right traction position adjusting slider movement regulation arm distracted position
Tractive force balance mechanism, tractive force balance mechanism include located at column and install the cant beam on rear side of crossbeam link position corner,
Cant beam one end is fixed on mounting rail, and the cant beam other end is fixed on column, and band pull rope is sliding combined with cant beam and turns to branch
Support guide wheel tractive force regulation support base, pull rope winding and be supported on tractive force regulation support base pull rope turn to support lead
On wheel, the sliding trace and column, installation crossbeam of tractive force regulation support base are triangular in shape, and tractive force regulation support base is combined with
Drive the tractive force regulation driver that it is slided.
4. wrist joint videoendoscopic surgery hitch frame according to claim 3, it is characterised in that：The pull rope is turned on support guide wheel
Pull rope disk wheel is supported by, pull rope disk wheel is mutually fastened and can relatively rotated with pull rope support guide wheel, pull rope envelope
The pull rope guiding mounting hole that wheel forms radial-sealing with pull rope support guide wheel is closed, pull rope disk wheel is combined with disk wheel peace
Seat is filled, disk wheel mounting seat into support base glide direction is consistent is snug fit on cant beam with tractive force regulation, pacify by disk wheel
Dress seat is combined with the driving spring that driving pull rope disk wheel is supported on pull rope support wheel.
5. wrist joint videoendoscopic surgery hitch frame according to claim 3, it is characterised in that：The middle guide wheel group includes fixing
In a pair or so the spacing guide wheels positioned opposite of the left and right directions on mounting rail, and the above-below direction phase being fixed on mounting rail
To a pair of longitudinal spacing guide wheels of arrangement, the spacing guide wheel in left and right and longitudinal spacing guide wheel are by two line wheel phases with annular groove
To snapping and setting composition can be relatively rotated, the spacing guide wheel in left and right surrounds left and right to spacing threading hole, longitudinal direction limit through two line wheels
Position guide wheel surrounds longitudinal spacing threading hole through two line wheels, and left and right is located at same water to spacing threading hole and longitudinal spacing threading hole
Prosposition is put, and the spacing guide wheel in left and right is between longitudinal spacing guide wheel and front end guide wheel.
6. wrist joint videoendoscopic surgery hitch frame according to claim 1, it is characterised in that：The left and right adjusting drive device includes
Hollow shaft motor, drive shaft, left and right adjusting driving worm screw, left and right adjusting driving worm gear, left and right adjusting power transmission shaft and left and right are adjusted
Drive screw is saved, the hollow shaft motor is fixedly installed on mounting rail, and flower is provided with the axis hole of the hollow shaft of hollow shaft motor
Key set, the drive shaft are the splined shaft with spline housing corresponding matching, and drive shaft is rotatable and is matched with installation in axial sliding
Liang Shang, splined shaft are connected with left and right adjusting driving worm screw through shaft coupling, left and right adjusting driving worm screw and left and right adjusting driving worm gear
Transmission coordinates, and left and right adjusting driving worm gear is installed on left and right adjusting power transmission shaft, and left and right adjusting power transmission shaft drives with left and right adjusting
Screw coaxial is connected to arrangement, left and right adjusting power transmission shaft with left and right adjusting drive screw through gear pair, the left and right adjusting
Drive screw coordinates with left and right traction position adjusting slider screw thread.
7. wrist joint videoendoscopic surgery hitch frame according to claim 1, it is characterised in that：The retractable driving device includes front and rear
Position regulation beam motor, front and rear traction position regulation beam drive screw and front and rear traction position regulation beam drive nut are drawn, it is preceding
Rear haulage position regulation beam drive nut is fixedly installed on front and rear traction position regulation beam, front and rear traction position regulation beam drive screw with
Front and rear traction position regulation beam drive nut corresponding matching, front and rear traction position regulation beam drive screw locating rotation are installed on mounting rail
On, front and rear traction position regulation beam drive screw and the output end drive connection of front and rear traction position regulation beam motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882325.0A CN107625549A (en) | 2017-09-26 | 2017-09-26 | Wrist joint videoendoscopic surgery hitch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882325.0A CN107625549A (en) | 2017-09-26 | 2017-09-26 | Wrist joint videoendoscopic surgery hitch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107625549A true CN107625549A (en) | 2018-01-26 |
Family
ID=61102502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882325.0A Pending CN107625549A (en) | 2017-09-26 | 2017-09-26 | Wrist joint videoendoscopic surgery hitch frame |
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| CN (1) | CN107625549A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108635061A (en) * | 2018-05-04 | 2018-10-12 | 郑州大学第附属医院 | Bone surgery arm |
| CN109316161A (en) * | 2018-10-23 | 2019-02-12 | 深圳市儿童医院 | A kind of portable child laparoscopic device |
| CN111449767A (en) * | 2020-04-08 | 2020-07-28 | 常州市第一人民医院 | Pressure-adjustable arthroscope perfusion traction composite system |
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| CN2104640U (en) * | 1991-11-05 | 1992-05-20 | 沈阳市民革热闹路中医集体门诊部 | Tyactor frame for cervical vertebra |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108635061A (en) * | 2018-05-04 | 2018-10-12 | 郑州大学第附属医院 | Bone surgery arm |
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| CN111449767A (en) * | 2020-04-08 | 2020-07-28 | 常州市第一人民医院 | Pressure-adjustable arthroscope perfusion traction composite system |
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