CN207804395U - Shoulder joint drawing-off suspension apparatus - Google Patents
Shoulder joint drawing-off suspension apparatus Download PDFInfo
- Publication number
- CN207804395U CN207804395U CN201720544510.4U CN201720544510U CN207804395U CN 207804395 U CN207804395 U CN 207804395U CN 201720544510 U CN201720544510 U CN 201720544510U CN 207804395 U CN207804395 U CN 207804395U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- pulley
- section
- arm
- support column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of shoulder joint drawing-off suspension apparatus, including pedestal and support column, the support column is equipped with the first drawing-off structure and the second drawing-off structure, first drawing-off structure includes swing arm, swing arm is connect by swing arm connector with support column, the second pulley that swing arm first section bottom is equipped with first pulley and can be moved axially along swing arm, second pulley are removably mounted on by pulley installation structure in the swing arm；It is additionally provided with elevating control structure, including the second worm reduction gear and lifting regulating rod, lifting regulating rod is upward through swing arm and swing arm shaft, and swing arm shaft both ends are mounted on the limiting slot of swing arm first section two sides.The utility model adjusts drawing-off dynamics using wireless controller control worm speed reducer, eliminates traditional counterweight Weighting system, can realize the accurate adjusting of counter extensioin height and drafting force；Also telescopic arm is used to extend the length of swing arm, makes the present apparatus that can further increase drawing-off height and the range of drawing-off in the case where not increasing volume.
Description
Technical field
The utility model belongs to arthrocsopic surgery technical field, and in particular to a kind of shoulder joint drawing-off suspension apparatus.
Background technology
When carrying out arthroscopic shoulder surgery, need to draw patient's arm using various draft gears or operation bracket system, with
Ensure the flexibility of arthroscope and various surgical instruments in joint transluminal operation.
Since shoulder joint muscle is abundant, bony structure is complicated, and adjacent parts have more nervus vasculairs, and shoulder mobility
When with larger degree of freedom；If without suitable surgery traction frame system, shoulder joint gap is small, arthroscope and surgical instrument
It would become hard to be operated in articular cavity.It is easy to cause iatrogenic injury.Often through an operation traction dress in such operation
Set, patient's arm drawn using the weight that is suspended in midair on hitch frame, allow patient arm under the action of tractive force proper transformation portion
Position, so that clinician carries out processing operation using surgical instrument.
Draft gear in the prior art leads arm to realize usually using counterweight Weighting system, using lever principle
It stretches.But on the one hand counterweight Weighting system operates complex, to be taken some time to the adjustment of counterweight；On the other hand by
It is to use suspension method in counterweight, the stability of whole device is bad, and adjusts underaction, drafting force to the height of hitch frame
It is difficult to realize accurately adjust.
Utility model content
For the deficiency in the presence of the prior art, the utility model provide one kind can accurately adjust drawing-off height and
Drafting force, shoulder joint drawing-off suspension apparatus easy to operate.
Shoulder joint drawing-off suspension apparatus, including pedestal and the support column being set on the base, the support column top is equipped with
First drawing-off structure, the support column are equipped with the second drawing-off structure, first drawing-off in the lower section of the first drawing-off structure
Structure includes the swing arm of an elongated tubular being laterally arranged, and the middle part of swing arm is connected by swing arm connector and the support column
It connects, the swing arm can be rotated around the junction with swing arm connector on perpendicular, and swing arm is divided into first by the junction
Section and second section, the swing arm first section bottom are equipped with first pulley；
Several through-holes are equipped at the top of the swing arm second section along its length, the swing arm second section bottom is equipped with can be along arm shaft
To mobile second pulley, the second pulley is removably mounted on by pulley installation structure in the second section of the swing arm,
The pulley installation structure is fixed with through-hole；
The first drawing-off structure further includes for controlling the first flexible worm reduction gear of drawing-off rope and being connected to the
The first rolling wheel for scrolling drawing-off rope of one worm reduction gear output end；
Further include the elevating control structure being arranged in swing arm close to first section one end, the elevating control structure includes second
The lifting regulating rod that worm reduction gear and setting are connect with the second worm reduction gear output end in the vertical direction, the liter
The falling tone pole first half is equipped with external screw thread and is upward through swing arm and the pendulum close to first section one end is arranged on the inside of the swing arm
Arm shaft, swing arm shaft center are equipped with tapped hole and are threadedly coupled with lifting regulating rod, the swing arm shaft two
End is movably mounted at swing arm first section two sides along the limiting slot that pendulum arm length direction is arranged.
Further, the first drawing-off structure further includes the telescopic arm of an elongated tubular, and the swing arm is sleeved on telescopic arm
Outside, the telescopic arm can be stretched out or be retracted from described swing arm second section one end；The telescopic arm is equipped with big with the through-hole
Small corresponding several mounting holes, mounting hole is aligned the second pulley with the through-hole when mounted, makes the pulley installation knot
Structure is fixed with through-hole and mounting hole simultaneously；The end that the telescopic arm stretches out swing arm direction is equipped with third pulley.
Further, the pulley installation structure include be placed on swing arm second section upper surface connecting plate and with the company
The connection frid that fishplate bar was bolted take the shape of the letter U, the connecting plate are equipped with connecting hole corresponding with the hole size,
The connecting hole is equipped with for the pulley installation structure to be fixed on the installation bolt in swing arm, and the second pulley is located at
Link slot board bottom portion.
Further, the second drawing-off structure include the swing rod fixed seat being arranged on the support column and with it is described
The fastener shaft that swing rod fixed seat is threadedly coupled, the fastener shaft are equipped with pipe clamp and are used for strop by what the pipe clamp was clamped
The conduit of rope；Described fastener shaft one end is equipped with handle towards support column, the other end；
The second drawing-off structure further includes for controlling the flexible third worm reduction gear of drawing-off rope and being connected to the
The second rolling wheel for scrolling drawing-off rope of three worm reduction gear output ends.
Further, the dome for covering on swing rod fixed seat side, the dome side wall are additionally provided on the fastener shaft
If there are two the mounting holes for being used for fixed catheter.
Further, the support column is additionally provided with clamping structure below the second drawing-off structure, and the clamping structure includes
Upper clamping plate and lower clamping plate, the upper clamping plate and lower clamping plate are locked by locking mechanism.
Further, four universal wheels are additionally provided in the base lower surface.
As advanced optimizing, the swing arm and telescopic arm are all hollow square tubes.
Compared with the prior art, the utility model has the advantages that：
1, drawing-off dynamics is adjusted using wireless controller control worm speed reducer, eliminates traditional counterweight Weighting system,
It can realize the accurate adjusting of counter extensioin height and drafting force；
2, the length for further extending swing arm using telescopic arm makes the present apparatus can be further in the case where not increasing volume
Increase the range of drawing-off height and drawing-off.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model vertical view；
Fig. 3 is telescopic arm structure schematic diagram in the first drawing-off structure；
Fig. 4 is pipe clamp structure schematic diagram in the second drawing-off structure；
Fig. 5 is swing rod fixed seat structure schematic diagram in the second drawing-off structure.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Shoulder joint drawing-off suspension apparatus, as shown in Fig. 1~5, including pedestal 1 and the support column 2 being arranged on pedestal 1, institute
It states 2 top of support column and is equipped with the first drawing-off structure, the first drawing-off structure includes the swing arm of an elongated tubular being laterally arranged
301, the middle part of the swing arm 301 is connect by swing arm connector 302 with the support column 2, the swing arm 301 can around with swing arm
The junction of connector 302 rotates on perpendicular, and the junction divides swing arm 301 for first section and second section, the swing arm
301 first section bottoms are equipped with first pulley 303.
It is equipped with several through-holes 304 along its length at the top of 301 second section of the swing arm, 301 second section bottom of the swing arm is equipped with
The second pulley 305 that can be moved axially along swing arm 301, the second pulley 305 are removably installed by pulley installation structure
In the second section of the swing arm 301, the pulley installation structure is fixed with through-hole 304.
The first drawing-off structure further includes for controlling the first flexible worm reduction gear 306 of drawing-off rope and being connected to
The first rolling wheel for scrolling drawing-off rope of first worm reduction gear, 306 output end.The drawing-off rope from rolling wheel extraction after successively
Suspention drawing-off is carried out to arm in structures such as the hooks of drawing-off rope end by first pulley and second pulley, then by being arranged
Deng operation.When being operated to the first drawing-off structure, the operation of worm reduction gear is controlled by wireless controller, to real
Existing counter extensioin rope is flexible to be accurately controlled.
Compared with traditional counterweight Weighting system, the utility model controls worm speed reducer tune by using wireless controller
Whole drawing-off dynamics can realize that the more accurate of counter extensioin power is adjusted.
Shoulder joint drawing-off suspension apparatus further includes the elevating control structure being arranged in swing arm 301 close to first section one end, institute
State elevating control structure include the second worm reduction gear 308 and be arranged in the vertical direction with second worm reduction gear 308
The lifting regulating rod 309 of output end connection, 309 first half of the lifting regulating rod are equipped with external screw thread and are upward through swing arm 301
And the swing arm shaft 310 in 301 inside of the swing arm close to first section one end is set, 310 center of the swing arm shaft is equipped with band
It the hole of internal thread and is threadedly coupled with lifting regulating rod 309,310 both ends of swing arm shaft pass through rotating shaft screw bolt 311 and gasket
312 are movably mounted at 301 first section two sides of swing arm along the limiting slot 313 that 301 length direction of swing arm is arranged.
Elevating control structure also drives worm reduction gear to control the lifting of swing arm first section one end using digital servosystem,
And then effective adjustment of the realization to the height of swing arm or even telescopic arm end.
The first drawing-off structure further includes the telescopic arm 314 of an elongated tubular, and the swing arm 301 is sleeved on telescopic arm 314
Outside, the telescopic arm 314 can be stretched out or be retracted from 301 second section one end of the swing arm；The telescopic arm 314 is equipped with and institute
State the corresponding several mounting holes 315 of 304 size of through-hole, the second pulley 305 mounting hole 315 and the through-hole when mounted
304 alignment, make the pulley installation structure be fixed simultaneously with through-hole 304 and mounting hole 315；The telescopic arm 314 stretches out swing arm
The end in 301 directions is equipped with third pulley 316.
After provided with telescopic arm, the drawing-off rope from rolling wheel extraction after successively pass through first pulley, second pulley and
Third pulley.Since telescopic arm can further extend the length of swing arm, the setting of the third idler wheel can make the present apparatus exist
Drawing-off height and the range of drawing-off can be further increased in the case of not increasing volume, to improve being applicable in for whole device
Property.
The pulley installation structure include be placed on 301 second section upper surface of swing arm connecting plate 317 and with the connection
The connection frid 318 that plate 317 was bolted take the shape of the letter U, the connecting plate 317 is equipped with and 304 size phase of the through-hole
It is correspondingly connected with hole, the connecting hole is equipped with the installation bolt for being fixed on the pulley installation structure in swing arm 301
319, the second pulley 305 is located at 318 bottom of connection frid.
The support column 2 is equipped with the second drawing-off structure, the second drawing-off structure in the lower section of the first drawing-off structure
Including the swing rod fixed seat 401 being arranged on the support column 2 and the fastener shaft being threadedly coupled with the swing rod fixed seat 401
402, the conduit 404 for guiding drawing-off rope that the fastener shaft 402 is equipped with pipe clamp 403 and is clamped by the pipe clamp 403；
402 one end of the fastener shaft is equipped with handle 405 towards support column 2, the other end.The handle is for adjusting fastener shaft and support column
Between tightness, the position of the second drawing-off structure on the support columns can be adjusted by handle.
The second drawing-off structure further includes for controlling the flexible third worm reduction gear 406 of drawing-off rope and being connected to
The second rolling wheel 407 for scrolling drawing-off rope of 406 output end of third worm reduction gear.
The conduit 404 is internally provided with the pilot hole penetrated through in an axial direction.The drawing-off rope passes through after the extraction of the second rolling wheel
Pilot hole in conduit, then the auxiliary drawing-off function to arm is realized by the hook of drawing-off rope end.To the second drawing-off
When structure is operated, the operation of worm reduction gear is controlled by wireless controller, to realize the flexible essence of counter extensioin rope
Really control.
The dome 408 for covering on 401 side of swing rod fixed seat, 408 side of the dome are additionally provided on the fastener shaft 402
Wall set there are two be used for fixed catheter 404 mounting hole 409.The angle of conduit can be adjusted by rotating dome in this way, with
Directly pipe clamp is adjusted and compares and can be more convenient.
The support column 2 is additionally provided with clamping structure below the second drawing-off structure, and the clamping structure includes upper clamping plate
501 and lower clamping plate 502, the upper clamping plate 501 and lower clamping plate 502 locked by locking mechanism.Clamping structure is used for will
Shoulder joint drawing-off suspension apparatus is mutually fixed with operating bed, and the fastening means of screw bolt and nut may be used in locking mechanism.
Four universal wheels 6 are additionally provided on 1 lower surface of the pedestal.Such setting, which can facilitate, moves the present apparatus
It is dynamic, it can be carried to avoid to the present apparatus.
The swing arm 301 and telescopic arm 314 are all hollow square tubes.Square tubular shape can prevent telescopic arm on the inside of swing arm
It rotates, sliding idler wheel is more convenient when installation.
First, second, third worm speed reducer is mounted on by adjustment fixing plate 7 on the support column 2.The tune
Section fixed plate 7, upper clamping plate 501, lower clamping plate 502 etc. are fixedly clamped by bolt on support column 2.
Above description is merely a prefered embodiment of the utility model, on the scope of protection of the utility model is not limited in
Embodiment is stated, every technical solution for belonging to the utility model principle belongs to the scope of protection of the utility model.For this
For the technical staff in field, several improvement carried out under the premise of not departing from the principles of the present invention, these improvement
It should be regarded as the scope of protection of the utility model.
Claims (8)
1. shoulder joint drawing-off suspension apparatus, including pedestal and the support column that is set on the base, the is equipped at the top of the support column
One drawing-off structure, the support column are equipped with the second drawing-off structure in the lower section of the first drawing-off structure, it is characterised in that：It is described
First drawing-off structure includes the swing arm of an elongated tubular being laterally arranged, and the middle part of swing arm passes through swing arm connector and the branch
Dagger connects, and the swing arm can rotate around the junction with swing arm connector on perpendicular, and the junction is by swing arm
It is divided into first section and second section, the swing arm first section bottom is equipped with first pulley；
Several through-holes are equipped at the top of the swing arm second section along its length, the swing arm second section bottom, which is equipped with, axially to be moved along swing arm
Dynamic second pulley, the second pulley is removably mounted on by pulley installation structure in the second section of the swing arm, described
Pulley installation structure is fixed with through-hole；
The first drawing-off structure further includes for controlling the first flexible worm reduction gear of drawing-off rope and being connected to the first snail
Take turns the first rolling wheel for scrolling drawing-off rope of output end of reducer；
Further include the elevating control structure being arranged in swing arm close to first section one end, the elevating control structure includes the second worm gear
The lifting regulating rod that speed reducer and setting are connect with the second worm reduction gear output end in the vertical direction, the rising-falling tone
The pole first half is equipped with external screw thread and the swing arm for being upward through swing arm and being arranged on the inside of the swing arm close to first section one end turns
Axis, swing arm shaft center are equipped with tapped hole and are threadedly coupled with lifting regulating rod, and swing arm shaft both ends can
Swing arm first section two sides are removably mounted within along the limiting slot that pendulum arm length direction is arranged.
2. shoulder joint drawing-off suspension apparatus according to claim 1, it is characterised in that：The first drawing-off structure further includes
The telescopic arm of one elongated tubular, the swing arm are sleeved on the outside of telescopic arm, and the telescopic arm can be stretched from described swing arm second section one end
Go out or retracts；The telescopic arm is equipped with several mounting holes corresponding with the hole size, and the second pulley is when mounted
Mounting hole is aligned with the through-hole, and the pulley installation structure is made to be fixed simultaneously with through-hole and mounting hole；The telescopic arm stretches out
The end in swing arm direction is equipped with third pulley.
3. according to any shoulder joint drawing-off suspension apparatus of claims 1 or 2, it is characterised in that：The pulley installation knot
Structure includes the link slot to take the shape of the letter U for being placed on the connecting plate of swing arm second section upper surface and being bolted with the connecting plate
Plate, the connecting plate are equipped with connecting hole corresponding with the hole size, and the connecting hole is equipped with for by the pulley
Mounting structure is fixed on the installation bolt in swing arm, and the second pulley is located at link slot board bottom portion.
4. shoulder joint drawing-off suspension apparatus according to claim 1, it is characterised in that：The second drawing-off structure includes setting
The fastener shaft set the swing rod fixed seat on the support column and be threadedly coupled with the swing rod fixed seat, on the fastener shaft
The conduit for guiding rope being clamped equipped with pipe clamp and by the pipe clamp；Described fastener shaft one end is another towards support column
End is equipped with handle；
The second drawing-off structure further includes for controlling the flexible third worm reduction gear of drawing-off rope and being connected to third snail
Take turns the second rolling wheel for scrolling drawing-off rope of output end of reducer.
5. shoulder joint drawing-off suspension apparatus according to claim 4, it is characterised in that：It is additionally provided with and covers on the fastener shaft
The dome of swing rod fixed seat side, the dome side wall set there are two be used for fixed catheter mounting hole.
6. shoulder joint drawing-off suspension apparatus according to claim 1, it is characterised in that：The support column is in the second drawing-off knot
It is additionally provided with clamping structure below structure, the clamping structure includes upper clamping plate and lower clamping plate, the upper clamping plate and lower clamping
Plate is locked by locking mechanism.
7. shoulder joint drawing-off suspension apparatus according to claim 1, it is characterised in that：It is additionally provided in the base lower surface
Four universal wheels.
8. shoulder joint drawing-off suspension apparatus according to claim 1, it is characterised in that：During the swing arm and telescopic arm are all
Empty square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544510.4U CN207804395U (en) | 2017-05-17 | 2017-05-17 | Shoulder joint drawing-off suspension apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544510.4U CN207804395U (en) | 2017-05-17 | 2017-05-17 | Shoulder joint drawing-off suspension apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207804395U true CN207804395U (en) | 2018-09-04 |
Family
ID=63335585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544510.4U Expired - Fee Related CN207804395U (en) | 2017-05-17 | 2017-05-17 | Shoulder joint drawing-off suspension apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207804395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658163A (en) * | 2020-05-06 | 2020-09-15 | 河南省人民医院 | Calibration device and calibration method for loading coefficient of force feedback bone awl for spinal surgery |
-
2017
- 2017-05-17 CN CN201720544510.4U patent/CN207804395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658163A (en) * | 2020-05-06 | 2020-09-15 | 河南省人民医院 | Calibration device and calibration method for loading coefficient of force feedback bone awl for spinal surgery |
| CN111658163B (en) * | 2020-05-06 | 2021-04-30 | 河南省人民医院 | Calibration device and calibration method for loading coefficient of force feedback bone awl for spinal surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |