CN214966519U - Calcaneus fracture restorer - Google Patents
Calcaneus fracture restorer Download PDFInfo
- Publication number
- CN214966519U CN214966519U CN202120421425.5U CN202120421425U CN214966519U CN 214966519 U CN214966519 U CN 214966519U CN 202120421425 U CN202120421425 U CN 202120421425U CN 214966519 U CN214966519 U CN 214966519U
- Authority
- CN
- China
- Prior art keywords
- clamping
- clamping component
- splint
- groove
- block
- 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
Links
- 206010016970 Foot fracture Diseases 0.000 title claims abstract description 10
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 4
- 206010017076 Fracture Diseases 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 210000000459 calcaneus Anatomy 0.000 description 4
- 210000002683 foot Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The calcaneus fracture restorer solves the problems that the parts of the kirschner wires penetrating through bone blocks at two ends are stressed unevenly, the traction effect is influenced, and the kirschner wires are easy to bend, so that the kirschner wires are difficult to pull out in the later period; including the kirschner wire that is used for passing the bone piece, clamping device, draw gear, clamping device includes the connecting block, the first clamping component and the second clamping component that the structure is the same and bilateral symmetry, first clamping component and second clamping component all articulate with the connecting block, and be equipped with between first clamping component and the second clamping component and be used for to the tight drive arrangement of clamp between them, first clamping component includes the clamping bar, all be equipped with communicating and first logical groove of vertically and second logical groove on the clamping bar, first logical inslot is equipped with circular block, the upper end center rigid coupling of circular block has spacing axle, spacing axle can be controlled in second through-groove internal rotation and removal, spacing epaxial spiro union have can with clamping bar complex first locking bolt, be equipped with the through-hole that transversely passes its centre of a circle on the circular block.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to calcaneus fracture restorer.
Background
Heel bone fracture is one of the common clinical foot fractures, especially heel bone fracture of the inferior joints, if good and stable fracture reduction can not be obtained, long-term swelling, pain, difficulty in walking and even serious sequelae are easy to appear. The reduction of the calcaneal fracture is to drive a kirschner wire into a bone block at the lower part of the calcaneal bone and then drive the fractured calcaneal bone through traction force so as to carry out the subsequent operation; when the existing calcaneus traction device is used for traction, the stress of parts, penetrating out of bone blocks, of two ends of a Kirschner wire is uneven, the traction effect is influenced, and the Kirschner wire is easy to bend, so that the Kirschner wire is difficult to pull out in the later period.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a calcaneum fracture restorer has solved the partial atress that the bone piece was worn out at ke shi needle both ends uneven, influences the traction effect and easily makes ke shi needle take place the bending and lead to the difficult problem of extracting in later stage.
In order to achieve the above purpose, the utility model provides the following technical scheme; comprises a kirschner wire used for passing through a bone block, a clamping device used for clamping and fixing the bone block and a traction device used for applying traction force to the clamping device, the clamping device comprises a connecting block, a first clamping component and a second clamping component which have the same structure and are bilaterally symmetrical, the first clamping component and the second clamping component are hinged with the connecting block, and a driving device for clamping the first clamping component and the second clamping component is arranged between the first clamping component and the second clamping component, the first clamping assembly comprises a clamping rod, a first through groove and a second through groove which are communicated and vertical are arranged on the clamping rod, a circular block is arranged in the first through groove, the center of the upper end of the circular block is fixedly connected with a limiting shaft, the limiting shaft can rotate and move left and right in the second through groove, a first locking bolt capable of being matched with the clamping rod is connected to the limiting shaft in a threaded mode, and a through hole penetrating through the circle center of the circular block in the transverse direction is formed in the circular block.
Preferably, the driving device comprises a pull rod hinged to the clamping rod, the other ends of the two pull rods are hinged to a moving block together, an adjusting lead screw is connected to the moving block in a rotating mode, and the adjusting lead screw is in threaded connection with the connecting block.
Preferably, draw gear includes the fixing base, be equipped with angle regulation's support on the fixing base, the support includes the regulation pole with fixing base articulated, be equipped with the telescopic locating lever in the regulation pole, the upper end of locating lever is rotated and is connected with the pulley, the upper end threaded connection of adjusting the pole have with locating lever complex second locking bolt, the last haulage rope of connection of dismantling of clamping device, the haulage rope walks around the pulley and pulls the hammer at its other end fixedly connected with.
Preferably, the lower extreme of adjusting the pole articulates there is the connecting rod, the one end that the adjusting pole was kept away from to the connecting rod articulates there is the slider, slider and fixing base front and back sliding connection, threaded connection has the second lead screw on the slider, the second lead screw runs through fixing base and fixedly connected with operation knob forward.
Preferably, the fixed seat is provided with a first placing groove corresponding to the adjusting rod, and a second placing groove corresponding to the traction hammer is arranged below the first placing groove.
Preferably, the fixing base includes first splint and second splint, the centre of first splint and second splint is equipped with the third splint, it is connected with the clamping screw to rotate on the third splint, clamping screw and first splint threaded connection.
Compared with the prior art, the beneficial effects of the utility model are that: the device has novel structure and ingenious conception, only the Kirschner wires in the two circular blocks bear force, and the Kirschner wires are uniformly and stably stressed and are not easy to bend, so that the device is convenient to pull out at the later stage; the traction device can adjust the height and the left and right positions according to the condition, is convenient to collect, carry and move, reduces the occupied space and is convenient to use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention in use.
Fig. 2 is a schematic view of the overall structure of the clamping device of the present invention.
Fig. 3 is a schematic view of the overall structure of the traction device of the present invention.
Fig. 4 is an exploded view of the whole structure of the clamping device of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic view of the overall structure of the middle fixing base of the present invention.
In the figure: 1-Kirschner wire, 2-connecting block, 3-first clamping component, 4-second clamping component, 5-clamping rod, 6-first through groove, 7-second through groove, 8-round block, 9-limiting shaft, 10-first locking bolt, 11-through hole, 12-pull rod, 13-moving block, 14-adjusting screw rod, 15-fixing seat, 16-adjusting rod, 17-positioning rod, 18-pulley, 19-second locking bolt, 20-traction rope, 21-traction hammer, 22-connecting rod, 23-sliding block, 24-second screw rod, 25-operating knob, 26-first placing groove, 27-second placing groove, 28-first clamping plate, 29-second clamping plate, 30-third clamping plate, 31-clamping screw.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, and thus only show the components related to the present invention.
As shown in fig. 1, the present invention includes a kirschner wire 1 for passing through a bone block, a clamping device for clamping and fixing the bone block, and a traction device for applying traction force to the clamping device, as shown in fig. 2 and 4, the clamping device includes a connecting block 2, a first clamping component 3 and a second clamping component 4 which are identical in structure and symmetrical left and right, the first clamping component 3 and the second clamping component 4 are both hinged to the connecting block 4, a driving device for clamping the first clamping component 3 and the second clamping component 4 is arranged between the first clamping component 3 and the second clamping component 4, the first clamping component 3 includes a clamping rod 5, the clamping rod 5 is provided with a first through groove 6 and a second through groove 7 which are communicated and perpendicular, as shown in fig. 5, a circular block 8 is arranged in the first through groove 6, a limit shaft 9 is fixedly connected to the center of the upper end of the circular block 8, the limit shaft 9 can rotate and move left and right in the second through groove 7, the limiting shaft 9 is in threaded connection with a first locking bolt 10 which can be matched with the clamping rod 5, and the circular block 8 is provided with a through hole 11 which transversely penetrates through the circle center of the circular block.
When the device is used, the Kirschner wire 1 penetrates through a bone block, the opening angle of the first clamping component 3 and the second clamping component 4 is larger than the width of the foot of a patient, then the two ends of the Kirschner wire 1 are inserted into the through holes 11 from the inner sides of the two circular blocks 8, then the included angle between the first clamping component 3 and the second clamping component 4 is reduced through the driving device, when the front ends of the first clamping component 3 and the second clamping component 4 are pressed close to the foot of the patient for clamping and positioning, the first locking bolt 10 is screwed downwards to be matched with the clamping rod 5 to lock the positions of the two circular blocks 8, only the Kirschner wire inside the two circular blocks 8 is stressed at the moment, and under the constraint of the two clamping rods 5, the stress is uniform, stable and not easy to bend, the later stage extraction is convenient, and finally the clamping device is pulled and dragged through the traction device.
In order to adjust and position the first clamping component 3 and the second clamping component 4 conveniently, the driving device comprises pull rods 12 hinged to the clamping rods 5, the other ends of the two pull rods 12 are hinged to a moving block 13 together, an adjusting lead screw 14 is connected to the moving block 13 in a rotating mode, and the adjusting lead screw 14 is in threaded connection with the connecting block 4.
The moving block 13 and the adjusting screw 14 form a screw nut structure, when the adjusting screw 14 is rotated, the moving block 13 moves back and forth, when the moving block 13 moves forward, the first clamping component 3 and the second clamping component 4 can be synchronously opened through the two pull rods 12, and conversely, when the moving block 13 moves backward, the moving block 13 and the second clamping component are synchronously contracted and clamped.
As shown in fig. 1 and 3, the traction device includes a fixed seat 15, a support with an adjustable angle is arranged on the fixed seat 15, the support includes an adjusting rod 16 hinged to the fixed seat 15, a telescopic positioning rod 17 is arranged in the adjusting rod 16, a pulley 18 is rotatably connected to the upper end of the positioning rod 17, a second locking bolt 19 matched with the positioning rod 17 is in threaded connection with the upper end of the adjusting rod 16, a traction rope 20 detachably connected to the clamping device is arranged on the clamping device, and the traction rope 20 bypasses the pulley and is fixedly connected with a traction hammer 21 at the other end of the traction rope.
In order to adjust the angle of the bracket, the lower end of the adjusting rod 16 is hinged to a connecting rod 22, one end, away from the adjusting rod 16, of the connecting rod 22 is hinged to a sliding block 23, the sliding block 23 is connected with the fixing seat 15 in a front-back sliding mode, a second lead screw 24 is connected to the sliding block 23 in a threaded mode, and the second lead screw 24 penetrates through the fixing seat 15 forwards and is fixedly connected with an operation knob 25.
The second lead screw 24 and the sliding block 23 form a lead screw nut structure, when the second lead screw 24 is rotated through the operation knob 25, the sliding block 23 can move back and forth on the fixed seat 15, when the sliding block 23 moves back, the support can be supported through the connecting rod 22, and otherwise, the support falls back.
In order to facilitate the storage, the carrying, the movement and the reduction of the occupied space of the bracket and the traction hammer, a first placing groove 26 corresponding to the adjusting rod 16 is arranged on the fixed seat 15, and a second placing groove 27 corresponding to the traction hammer 21 is arranged below the first placing groove 26.
As shown in fig. 6, in order to fix the fixing seat 15, the fixing seat 15 includes a first clamping plate 28 and a second clamping plate 29, a third clamping plate 30 is disposed between the first clamping plate 28 and the second clamping plate 29, a clamping screw 31 is rotatably connected to the third clamping plate 30, and the clamping screw 31 is in threaded connection with the first clamping plate 28.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Calcaneal fracture restorer, including be used for passing ke shi needle (1) of bone piece, play the clamping device of clamping fixation effect to the bone piece and to the draw gear who exerts traction force of clamping device, its characterized in that: the clamping device comprises a connecting block (2), a first clamping component (3) and a second clamping component (4) which are identical in structure and symmetrical left and right, the first clamping component (3) and the second clamping component (4) are hinged to the connecting block (2), a driving device for clamping the first clamping component (3) and the second clamping component (4) is arranged between the first clamping component (3) and the second clamping component (4), the first clamping component (3) comprises a clamping rod (5), the clamping rod (5) is provided with a first through groove (6) and a second through groove (7) which are communicated and vertical, a circular block (8) is arranged in the first through groove (6), the upper end center of the circular block (8) is fixedly connected with a limiting shaft (9), the limiting shaft (9) can rotate and move left and right in the second through groove (7), the limiting shaft (9) is in threaded connection with a first locking bolt (10) which can be matched with the clamping rod (5), the round block (8) is provided with a through hole (11) which transversely penetrates through the circle center of the round block.
2. The calcaneus fracture repositor of claim 1, wherein: the driving device comprises pull rods (12) hinged with the clamping rods (5), moving blocks (13) are hinged to the other ends of the two pull rods (12) together, adjusting lead screws (14) are connected to the moving blocks (13) in a rotating mode, and the adjusting lead screws (14) are in threaded connection with the connecting blocks (2).
3. The calcaneus fracture repositor of claim 1, wherein: draw gear includes fixing base (15), be equipped with angle regulation's support on fixing base (15), the support includes and adjusts pole (16) with fixing base (15) articulated, be equipped with telescopic locating lever (17) in adjusting pole (16), the upper end of locating lever (17) is rotated and is connected with pulley (18), the upper end threaded connection who adjusts pole (16) has and locates pole (17) complex second locking bolt (19), can dismantle towline (20) of connection on the clamping device, towline (20) are walked around the pulley and are drawn hammer (21) at its other end fixedly connected with.
4. The calcaneus fracture repositor of claim 3, wherein: the lower extreme of adjusting pole (16) articulates there is connecting rod (22), the one end that adjusting pole (16) was kept away from in connecting rod (22) articulates there is slider (23), slider (23) and fixing base (15) front and back sliding connection, threaded connection has second lead screw (24) on slider (23), second lead screw (24) run through fixing base (15) and fixedly connected with operation knob (25) forward.
5. The calcaneus fracture repositor of claim 4, wherein: the fixed seat (15) is provided with a first placing groove (26) corresponding to the adjusting rod (16), and a second placing groove (27) corresponding to the traction hammer (21) is arranged below the first placing groove (26).
6. The calcaneus fracture repositor of claim 5, wherein: fixing base (15) include first splint (28) and second splint (29), the centre of first splint (28) and second splint (29) is equipped with third splint (30), it is connected with clamping screw (31) to rotate on third splint (30), clamping screw (31) and first splint (28) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421425.5U CN214966519U (en) | 2021-02-25 | 2021-02-25 | Calcaneus fracture restorer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120421425.5U CN214966519U (en) | 2021-02-25 | 2021-02-25 | Calcaneus fracture restorer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966519U true CN214966519U (en) | 2021-12-03 |
Family
ID=79158202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120421425.5U Expired - Fee Related CN214966519U (en) | 2021-02-25 | 2021-02-25 | Calcaneus fracture restorer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966519U (en) |
-
2021
- 2021-02-25 CN CN202120421425.5U patent/CN214966519U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110368103A (en) | A kind of semi-automatic digestive endoscopy diagnosis and treatment auxiliary device | |
| CN213372372U (en) | Puncture fixer for anesthesia department | |
| CN214966519U (en) | Calcaneus fracture restorer | |
| CN210408551U (en) | Intracardiac branch of academic or vocational study puncture positioner | |
| CN111840797A (en) | Magnetic therapy moxibustion bed | |
| CN110680420A (en) | Multifunctional flap retractor in mammary gland surgery | |
| CN210494207U (en) | Calcaneus fracture restorer | |
| CN109567921B (en) | Atlantoaxial dislocation reduction internal fixation device | |
| CN110812028A (en) | Convenient orthopedics nursing sick bed of dismantling traction frame | |
| CN214761228U (en) | Marrow puncture extraction device for blood internal medicine | |
| CN214595960U (en) | Liver puncture locator | |
| CN213098411U (en) | Supporting and fixing device for neurosurgical clinical operation | |
| CN114224398A (en) | Infectious department detects sampling device with liver disease | |
| CN215778266U (en) | Medical biopsy needle | |
| CN211749927U (en) | Stomach surgery abdominal cavity operation puncture ware | |
| CN209136724U (en) | Direction-adjustable ankle-joint tractor | |
| CN209186818U (en) | Cardiological hemostasis compressorium | |
| CN201104912Y (en) | Three-dimensional regulate and control resetting-fixing device for bone fracture | |
| CN220695335U (en) | Interventional therapeutic instrument | |
| CN218833118U (en) | Operation frame convenient to it is fixed | |
| CN221083751U (en) | Spinal puncture positioning auxiliary device | |
| CN220714553U (en) | Head drainage tube fixing device | |
| CN218305455U (en) | Clinical tractive device of orthopedics | |
| CN208876931U (en) | Traction bow | |
| CN218075893U (en) | Interventional operating room infusion hanging bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |