CN215839400U - Device for acetabulum fracture displacement reduction - Google Patents
Device for acetabulum fracture displacement reduction Download PDFInfo
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- CN215839400U CN215839400U CN202121851274.3U CN202121851274U CN215839400U CN 215839400 U CN215839400 U CN 215839400U CN 202121851274 U CN202121851274 U CN 202121851274U CN 215839400 U CN215839400 U CN 215839400U
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- extrusion
- rod
- lifting
- knob
- installation frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
Abstract
The utility model discloses a device for displacement reduction of acetabular fracture, which belongs to the technical field of medical instruments and comprises an installation frame, a lifting device and inner and outer side extrusion devices, wherein the installation frame is of a right-angle structure, the lifting device is installed on the installation frame, the lifting device is in threaded connection with the installation frame, the inner and outer side extrusion devices are installed on the installation frame, and the inner and outer side extrusion devices are fixedly connected with the installation frame. The utility model has the function of separating and resetting the fracture and malposition by matching the lifting device, the inner and outer side extrusion devices and the inner side dissection fixing plate on the mounting rack.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a device for acetabulum fracture displacement reduction.
Background
The human skeleton is often injured due to accidents in human life, fracture is the most common result of skeletal trauma, and the reduction and connection of the skeleton after fracture is particularly important, which is directly related to the recovery and healthy healing of the skeleton of a patient.
For example, the patent with publication number CN208905679U relates to a fracture closed reduction device, which belongs to the technical field of orthopedic surgical instruments. The bone screw mainly comprises a bone screw, a bone screw fixing connector, a distraction reset rod, an arc reset bracket and a reset needle clamp; the bone nail fixing connector is in a structure of a large clamping block and a small clamping block, one side of the large clamping block is provided with a ball socket-shaped groove which is matched with ball heads at two sides of the spreading reset rod, and a bone nail is arranged between the large clamping block and the small clamping block and is extruded and fixed by a bolt; the opening reset rod is of a sleeve rod structure formed by combining a sleeve and a screw rod, the two sides of the opening reset rod are connected with the ball head through a conical handle, the screw rod is inserted into the sleeve, the two sides of the screw rod are of symmetrical plane structures, a hexagonal nut is matched on the screw rod and close to the sleeve, the two sides of the sleeve are provided with screw holes, and the screw rod is provided with double-side bolt extrusion screw rods. The utility model discloses an effectual disconnected end of fracture is drawn out under closed state to through the needle clamp that resets or the bone that resets to the rotation of fracture end, angulation and side aversion correct, thereby realize the restoration of the disconnected end of fracture. The utility model is mainly used for fracture closed reduction.
However, the size of the hip bone and the unique shape of the pelvis in the existing fracture particularly determine the most difficult reduction of the acetabulum fracture, in the operation, more soft tissues around the hip bone are needed to be injured to expose the whole hip bone as much as possible, and the iliac-inguinal approach near the hip bone has a plurality of significant femoral vessels and nerves, which cause great pain to the patient and even possibly cause waste once mishandling or other accidents in the operation.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a device for acetabulum fracture displacement reduction, which solves the problems in the prior art.
The embodiment of the utility model adopts the following technical scheme: the device for displacement reduction of acetabular fracture comprises a mounting frame, a lifting device and inner and outer side extrusion devices, wherein the mounting frame is of a right-angle structure, the lifting device is mounted on the mounting frame, the lifting device is in threaded connection with the mounting frame, the inner and outer side extrusion devices are mounted on the mounting frame, and the inner and outer side extrusion devices are fixedly connected with the mounting frame.
Further, the mounting rack is composed of a horizontal rod and a vertical rod.
Further, the lifting device comprises a lifting knob, a steering knob, a lifting threaded rod and a drag hook, the lifting knob is connected with the horizontal rod and the vertical rod of the mounting frame, the lifting knob is rotatably connected with the mounting frame, the lifting threaded rod is in threaded connection with the lifting knob, the lifting threaded rod is in sliding fit with the vertical rod of the mounting frame, the steering knob is fixedly mounted at the top of the lifting threaded rod, and the drag hook is fixedly mounted at the bottom of the lifting threaded rod.
Further, inside and outside extrusion device is including removing knob, extrusion threaded rod, extrusion curved bar and extrusion head, the horizon bar fixed connection of extrusion threaded rod and mounting bracket, the extrusion curved bar cover establish the extrusion threaded rod and with extrusion threaded rod sliding fit, it rotates with the extrusion curved bar to remove the knob and is connected, remove knob and extrusion threaded rod threaded connection, the extrusion curved bar with be equipped with fixed extension rod that is equipped with on, be equipped with universal ball on the extension rod, be equipped with on the extrusion head with universal ball normal running fit's universal ball seat.
Further, be equipped with inboard dissection fixed plate on the mounting bracket, be equipped with hexagon socket head cap screw on the mounting bracket, inboard dissection fixed plate passes through hexagon socket head cap screw and the bottom fixed connection of mounting bracket.
Furthermore, a curved part protruding part which is abutted against the pelvis is arranged on the vertical rod of the mounting rack.
Furthermore, the extrusion head and the inner side dissection fixing plate are made of silica gel materials.
The embodiment of the utility model adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, when the utility model is used, the position of the lifting device is adjusted to be matched with the inner and outer side extrusion devices to separate and reset the fracture and malposition.
Secondly, when the bone resetting device is used, the steering knob is rotated to drive the lifting threaded rod to rotate on the mounting frame, the direction of the draw hook can be changed so that the draw hook can hook the ischial spine, and the position of the lifting threaded rod driven by rotating the lifting knob is moved upwards on the mounting frame, so that the draw hook cannot rotate when being lifted, and the bone resetting work can be accurately carried out.
Thirdly, when the bone fracture joint is used, the moving knob is rotated to drive the extrusion curved rod to move on the extrusion threaded rod, so that the extrusion head is driven to reset and partially rotate the bone, the universal ball seat on the extrusion head is matched with the universal ball on the extension rod, the extrusion head can be ensured to rotate according to the movement of the extrusion curved rod, and the extrusion head and the bone are ensured to be always in a joint state.
Fourthly, when the utility model is used, the operation is performed by taking the part contacted with the convex part of the curved part as a fulcrum, so that the stability of the whole device can be ensured during the operation, and the fixation is performed based on the inner side dissection fixing plate after the reduction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a partial perspective view of the second embodiment of the present invention;
fig. 3 is a schematic three-dimensional structure of the cooling cycle apparatus of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view taken at A in FIG. 3;
reference numerals: the device comprises a mounting frame 1, a horizontal rod 11, a vertical rod 12, a curved part boss 13, an inner side dissection fixing plate 14, an inner hexagon bolt 15, a lifting device 2, a lifting knob 21, a steering knob 22, a lifting threaded rod 23, a draw hook 24, an inner side extrusion device 3, an outer side extrusion device 3, a moving knob 31, an extrusion threaded rod 32, an extrusion curved rod 33, an extrusion head 34, an extension rod 35, a universal ball 36 and a universal ball seat 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a device for displacement reduction of acetabular fracture, including an installation frame 1, a lifting device 2, and inner and outer side squeezing devices 3, where the installation frame 1 is of a right-angle structure, the lifting device 2 is installed on the installation frame 1, the lifting device 2 is in threaded connection with the installation frame 1, the inner and outer side squeezing devices 3 are installed on the installation frame 1, and the inner and outer side squeezing devices 3 are fixedly connected with the installation frame 1; when in use, the position of the lifting device 2 is adjusted to be matched with the inner and outer side extrusion devices 3 to separate and reset the fracture and malposition.
In particular, the mounting frame 1 is formed with a horizontal bar 11 and a vertical bar 12.
Specifically, the lifting device 2 comprises a lifting knob 21, a steering knob 22, a lifting threaded rod 23 and a draw hook 24, the lifting knob 21 is connected with the horizontal rod 11 and the vertical rod 12 of the mounting frame 1, the lifting knob 21 is rotatably connected with the mounting frame 1, the lifting threaded rod 23 is in threaded connection with the lifting knob 21, the lifting threaded rod 23 is in sliding fit with the vertical rod 12 of the mounting frame 1, the steering knob 22 is fixedly mounted at the top of the lifting threaded rod 23, and the draw hook 24 is fixedly mounted at the bottom of the lifting threaded rod 23; drive lifting threaded rod 23 through rotating steering knob 22 and rotate on mounting bracket 1 during the use, thereby can change the direction of drag hook 24 and make drag hook 24 catch the ischial spine, rotate the position that drives lifting threaded rod 23 through rotatory lifting knob 21 and carry out the rebound on mounting bracket 1, just so can make drag hook 24 can not take place to rotate when going up and down to more accurately carry out the work of resetting to the bone.
Specifically, the inside and outside extrusion device 3 comprises a movable knob 31, an extrusion threaded rod 32, an extrusion curved rod 33 and an extrusion head 34, the extrusion threaded rod 32 is fixedly connected with the horizontal rod 11 of the mounting frame 1, the extrusion curved rod 33 is sleeved on the extrusion threaded rod 32 and is in sliding fit with the extrusion threaded rod 32, the movable knob 31 is rotatably connected with the extrusion curved rod 33, the movable knob 31 is in threaded connection with the extrusion threaded rod 32, the extrusion curved rod 33 and the extrusion threaded rod are fixedly provided with extension rods 35, the extension rods 35 are provided with universal balls 36, and the extrusion head 34 is provided with universal ball seats 37 in rotating fit with the universal balls 36; during the use, the movable knob 31 is rotated to drive the extrusion curved rod 33 to move on the extrusion threaded rod 32, so that the extrusion head 34 is driven to reset and partially rotate the bone, the universal ball seat 37 on the extrusion head 34 is matched with the universal ball 36 on the extension rod 35, the extrusion head 34 can be ensured to rotate according to the extrusion curved rod 33 when moving, and the extrusion head 34 and the bone are ensured to be always in a joint state.
Specifically, an inner side dissection fixing plate 14 is arranged on the mounting frame 1, an inner hexagon bolt 15 is arranged on the mounting frame 1, the inner side dissection fixing plate 14 is fixedly connected with the bottom of the mounting frame 1 through the inner hexagon bolt 15, and a curved part protruding part 13 which is in contact with the pelvis is arranged on a vertical rod 12 of the mounting frame 1; when in use, the operation is performed by taking the part contacted with the curve convex part 13 as a fulcrum, so that the stability of the whole device can be ensured during the operation, and the fixation is performed based on the inner side dissection fixing plate 14 after the reduction.
Specifically, the material of the extrusion head 34 and the inner anatomical fixing plate 14 is silica gel; this protects the bone from damage during surgery.
Utility model's theory of operation: when the bone fracture resetting tool is used, firstly, the steering knob 22 is rotated to drive the lifting threaded rod 23 to rotate on the mounting frame 1, so that the direction of the draw hook 24 can be changed, the draw hook 24 hooks the ischial spine, the position of the lifting threaded rod 23 is rotated and driven to move upwards on the mounting frame 1 by rotating the lifting knob 21, so that the draw hook 24 can not rotate when being lifted, the bone can be reset more accurately, then, the moving knob 31 is rotated to drive the extrusion curved rod 33 to move on the extrusion threaded rod 32, so that the extrusion head 34 is driven to reset the bone and partially rotate, the universal ball seat 37 on the extrusion head 34 is matched with the universal ball 36 on the extension rod 35, the extrusion head 34 can be ensured to rotate according to the movement of the extrusion curved rod 33, and the extrusion head 34 and the bone are ensured to be always in a joint state, so as to separate and reset the fracture and dislocation parts, finally, fixation is carried out based on the medial dissection fixation plate 14 after reduction, and reduction fixation modules of fracture lines extending to other positions are assembled.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The device for acetabulum fracture displacement reduction is characterized by comprising an installation frame (1), a lifting device (2) and an inner side and outer side extrusion device (3), wherein the installation frame (1) is of a right-angle structure, the lifting device (2) is installed on the installation frame (1), the lifting device (2) is in threaded connection with the installation frame (1), the inner side and outer side extrusion device (3) is installed on the installation frame (1), and the inner side and outer side extrusion device (3) is fixedly connected with the installation frame (1).
2. The device for acetabular fracture displacement reduction according to claim 1, wherein: the mounting rack (1) is composed of a horizontal rod (11) and a vertical rod (12).
3. The device for acetabular fracture displacement reduction according to claim 2, wherein: carry draw gear (2) including lifting knob (21), turn to knob (22), lifting screw rod (23) and drag hook (24), lifting knob (21) and horizontal pole (11) and vertical pole (12) junction of mounting bracket (1), and lifting knob (21) rotate with mounting bracket (1) and be connected, lifting screw rod (23) and lifting knob (21) threaded connection, lifting screw rod (23) and vertical pole (12) sliding fit of mounting bracket (1), turn to knob (22) fixed mounting at the top of lifting screw rod (23), drag hook (24) fixed mounting is in the bottom of lifting screw rod (23).
4. The device for acetabular fracture displacement reduction according to claim 2, wherein: interior outside extrusion device (3) is including removing knob (31), extrusion threaded rod (32), extrusion curved bar (33) and extrusion head (34), extrusion threaded rod (32) and horizontal pole (11) fixed connection of mounting bracket (1), extrusion curved bar (33) cover is established at extrusion threaded rod (32) and with extrusion threaded rod (32) sliding fit, it rotates with extrusion curved bar (33) to remove knob (31) and is connected, remove knob (31) and extrusion threaded rod (32) threaded connection, extrusion curved bar (33) and be equipped with fixedly and be equipped with extension rod (35), be equipped with universal ball (36) on extension rod (35), be equipped with on extrusion head (34) with universal ball (36) normal ball seat (37) of normal ball (36) normal running fit.
5. The device for acetabular fracture displacement reduction according to claim 1, wherein: be equipped with inboard fixed plate (14) of dissecting on mounting bracket (1), be equipped with hexagon socket head cap screw (15) on mounting bracket (1), inboard fixed plate (14) of dissecting is through hexagon socket head cap screw (15) and the bottom fixed connection of mounting bracket (1).
6. The device for acetabular fracture displacement reduction according to claim 2, wherein: and a curved part convex part (13) which is propped against the pelvis is arranged on the vertical rod (12) of the mounting rack (1).
7. The device for acetabular fracture displacement reduction according to claim 4, wherein: the extrusion head (34) and the inner side dissection fixing plate (14) are made of silica gel materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851274.3U CN215839400U (en) | 2021-08-09 | 2021-08-09 | Device for acetabulum fracture displacement reduction |
| DE202022101513.9U DE202022101513U1 (en) | 2021-08-09 | 2022-03-22 | Device for moving and reducing hip fractures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851274.3U CN215839400U (en) | 2021-08-09 | 2021-08-09 | Device for acetabulum fracture displacement reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215839400U true CN215839400U (en) | 2022-02-18 |
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ID=80327745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121851274.3U Active CN215839400U (en) | 2021-08-09 | 2021-08-09 | Device for acetabulum fracture displacement reduction |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215839400U (en) |
| DE (1) | DE202022101513U1 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208905679U (en) | 2018-05-12 | 2019-05-28 | 宓宝杰 | A kind of fracture closed reduction device |
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2021
- 2021-08-09 CN CN202121851274.3U patent/CN215839400U/en active Active
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2022
- 2022-03-22 DE DE202022101513.9U patent/DE202022101513U1/en active Active
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| Publication number | Publication date |
|---|---|
| DE202022101513U1 (en) | 2022-04-04 |
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