CN215651459U - Supplementary coaptation device for orthopedic surgery - Google Patents
Supplementary coaptation device for orthopedic surgery Download PDFInfo
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- CN215651459U CN215651459U CN202121690244.9U CN202121690244U CN215651459U CN 215651459 U CN215651459 U CN 215651459U CN 202121690244 U CN202121690244 U CN 202121690244U CN 215651459 U CN215651459 U CN 215651459U
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Abstract
An auxiliary bone-knitting device for orthopedic surgery comprises a fixing part fixedly connected with a bone at the proximal end of a fracture part, an adjusting part fixedly connected with the bone at the distal end of the fracture part and a connecting rod connecting the fixing part and the adjusting part. One end of the connecting rod is provided with a ball head, and the other end of the connecting rod is provided with a rack. The fixed part includes first base and rotates with first base and be connected and with rack toothing's gear, be equipped with the guiding hole that is used for passing the connecting rod on the first base, the side of first base is first cambered surface, gear and guiding hole deviate from first cambered surface setting, the gear outside is equipped with the runner. The adjusting part comprises a second base and a connecting block, the side face of the second base is a second cambered surface, one side, deviating from the second cambered surface, of the second base is provided with a sliding rail along the circumferential direction of the second cambered surface, the connecting block is connected with the second base in a sliding mode through the sliding rail, and a ball seat matched with the ball head is arranged on the connecting block. The utility model utilizes the self-flexible freedom degree to solve the technical problems of more hands and poor flexibility in the bone setting process.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an auxiliary bone-knitting device for orthopedic surgery.
Background
If the tubular bones of the limbs are fractured and obviously displaced, the operation treatment is generally needed, and the fractured bones are fixed by using steel plates.
In the existing bone-knitting operation, a doctor needs to pull the far end of the fracture of a patient with force, overcome the tension of muscles to pull the fracture part open, and then combine the fractured bones according to the condition of the fracture surface, the whole process needs more than three persons to complete in a matching way, so that the labor is wasted, the flexibility is poor, and the fractured bones are not easy to keep in accurate butt joint positions in the bone-knitting operation.
Disclosure of Invention
The utility model aims to provide an auxiliary bone-knitting device for orthopedic surgery, which solves the technical problems of more hands and poor flexibility in the bone-knitting process.
The technical scheme of the utility model is as follows: the utility model provides an orthopedic surgery is with supplementary coaptation device, includes two holders that bilateral symmetry set up, wherein every holder all includes the fixed part that is used for with fracture position nearly heart end bone fixed connection, is used for with fracture position far away heart end bone fixed connection's adjustment portion and the connecting rod of connecting fixed part and adjustment portion.
One end of the connecting rod is provided with a ball head, and the other end of the connecting rod is provided with a rack along the axial direction.
The fixed part includes first base and with first base rotate be connected and with rack toothing's gear, be equipped with on the first base and be used for passing the guiding hole of connecting rod, the side of first base is the first cambered surface of being connected with the bone contact, and gear and guiding hole deviate from first cambered surface setting, and the gear outside is equipped with the runner coaxial with the gear.
The adjusting part comprises a second base and a connecting block, the side face of the second base is a second arc face connected with the bone in a contact mode, the second arc face is located on the same cylindrical surface with the first arc face, a sliding rail is arranged on one side, deviating from the second arc face, of the second base in the circumferential direction of the second arc face, the connecting block is connected with the second base in a sliding mode through the sliding rail, and a ball seat matched with the ball head is arranged on the connecting block.
Further, the gear is rotatably connected with the second base through a damping bearing.
Furthermore, the first base and the second base are both provided with connecting holes for penetrating through bone nails.
Further, the rotating wheel is fixedly connected with the gear through a quick-release structure.
Further, the rack is a straight rack, and the gear is a straight gear.
Furthermore, the first base, the gear, the rotating wheel, the second base, the connecting block and the connecting rod are all made of stainless steel.
After the technical scheme is adopted, the utility model has the following beneficial effects:
1. the device has high adjustment flexibility, is used for auxiliary operation in a bone fracture operation, can easily realize accurate butt joint and holding of the fractured part of the bone by utilizing the gear-rack matching of the fixed part and the flexible degree of freedom of the adjusting part, is convenient for reinforcing the fractured bone by utilizing a steel plate in the next step, and is favorable for accurately fixing the fractured part;
2. the utility model has light structure, does not need to occupy too much operation space and does not influence the normal fixation of the steel plate.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Description of the drawings: 1. the ball seat comprises a fixing portion 11, a first base 12, a gear 13, a guide hole 14, a first arc surface 15, a rotating wheel 2, an adjusting portion 21, a second base 22, a connecting block 23, a second arc surface 24, a sliding rail 25, a ball seat 3, a connecting rod 31, a ball head 32, a rack 4 and a connecting hole.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: an auxiliary bone-knitting device for orthopedic surgery comprises two retainers which are arranged in bilateral symmetry, wherein each retainer comprises a fixing part 1 which is fixedly connected with a proximal end bone of a fracture part, an adjusting part 2 which is fixedly connected with a distal end bone of the fracture part and a connecting rod 3 which connects the fixing part 1 and the adjusting part 2.
One end of the connecting rod 3 is provided with a ball head 31, and the other end of the connecting rod 3 is provided with a straight rack 32 along the axial direction.
Fixed part 1 include first base 11 and with first base 11 pass through damping bearing and rotate be connected and with rack 32 meshed straight-tooth gear 12, be equipped with on first base 11 and be used for passing the guiding hole 13 of connecting rod 3, the side of first base 11 is the first cambered surface 14 of being connected with the bone contact, and gear 12 and guiding hole 13 deviate from first cambered surface 14 and set up, and the gear 12 outside is equipped with and coaxial and through quick detach structure fixed connection's runner 15 with gear 12.
The adjusting part 2 comprises a second base 21 and a connecting block 22, the side surface of the second base 21 is a second arc surface 23 in contact connection with a bone, the second arc surface 23 and the first arc surface 14 are on the same cylindrical surface, a sliding rail 24 is arranged on one side of the second base 21 departing from the second arc surface 23 along the circumferential direction of the second arc surface 23, the connecting block 22 is in sliding connection with the second base 21 through the sliding rail 24, and a ball seat 25 matched with the ball head 31 is arranged on the connecting block 24.
The first base 11 and the second base 21 are both provided with connecting holes 4 for passing through bone nails. The first base 11, the gear 12, the rotating wheel 15, the second base 21, the connecting block 22 and the connecting rod 3 are all made of stainless steel.
One specific application of the utility model is: when the bone fracture operation is carried out, the retractor is used for pulling open the muscle tissues around the operation incision and the bone fracture position to expose the fracture position, and the far end of the fracture position of a patient is pulled to separate the fracture position.
Firstly, two first bases 11 are symmetrically fixed on two sides of the proximal end of a fracture part by using bone nails to penetrate through the connecting holes 4, the first cambered surfaces 14 are attached to the surface of a bone during fixing, and the axial direction of the guide holes 13 is consistent with the length direction of the bone.
The rotating wheel 15 is rotated to adjust the extending length of the connecting rod 3, the second bases 21 are adjusted to proper positions, the two second bases 21 are symmetrically fixed on two sides of the far end of the fracture part, the second cambered surface 23 is attached to the surface of the bone when the second bases are fixed, and the length directions of the two connecting rods 3 are parallel to the length direction of the bone and are symmetrically distributed on two sides of the bone.
The utility model discloses a fixed drawing to telecentric end that can cancel after finishing, rely on connecting rod 3 to support the fracture both ends and make fracture department keep the state of slight separation, the doctor can carry out the fine setting of circumference through adjusting the position of connecting block 22 on slide rail 24 through observing fracture face concrete situation, can carry out the fine setting of angle about through adjusting the both sides connecting rod 3 extension length, the fine setting of angle about can carrying out through the cooperation of bulb 31 and ball seat 25. Utilize this utility model nimble regulation degree of freedom, the doctor adjusts fracture position telecentric end and makes the fracture surface contrast of fracture both sides, rotates runner 15 and makes adjustment portion 2 draw close to fixed part 1, joins fracture department and keeps compressing tightly the state.
After the fracture is fixed by using the fixing steel plate, the utility model is needed to be detached from the bone, and the wound can be sutured.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (6)
1. An auxiliary bone-knitting device for orthopedic surgery, characterized in that: the bone fracture fixation device comprises two retainers which are arranged in bilateral symmetry, wherein each retainer comprises a fixing part (1) fixedly connected with a proximal bone of a fracture part, an adjusting part (2) fixedly connected with a distal bone of the fracture part and a connecting rod (3) connecting the fixing part (1) and the adjusting part (2);
one end of the connecting rod (3) is provided with a ball head (31), and the other end of the connecting rod (3) is provided with a rack (32) along the axial direction;
the fixing part (1) comprises a first base (11) and a gear (12) which is rotatably connected with the first base (11) and is meshed with the rack (32), a guide hole (13) for penetrating through the connecting rod (3) is formed in the first base (11), a first cambered surface (14) which is in contact connection with a bone is arranged on the side surface of the first base (11), the gear (12) and the guide hole (13) are arranged to deviate from the first cambered surface (14), and a rotating wheel (15) which is coaxial with the gear (12) is arranged on the outer side of the gear (12);
the adjusting part (2) comprises a second base (21) and a connecting block (22), the side face of the second base (21) is a second arc face (23) connected with a bone in a contact mode, the second arc face (23) and the first arc face (14) are on the same cylindrical surface, a sliding rail (24) is arranged on one side, away from the second arc face (23), of the second base (21) in the circumferential direction of the second arc face (23), the connecting block (22) is in sliding connection with the second base (21) through the sliding rail (24), and a ball seat (25) matched with the ball head (31) is arranged on the connecting block (24).
2. An orthopedic auxiliary osteosynthesis device according to claim 1, characterized in that: the gear (12) is rotatably connected with the second base (11) through a damping bearing.
3. An orthopedic auxiliary osteosynthesis device according to claim 1, characterized in that: the first base (11) and the second base (21) are both provided with connecting holes (4) for passing through bone nails.
4. An orthopedic auxiliary osteosynthesis device according to claim 1, characterized in that: the rotating wheel (15) is fixedly connected with the gear (12) through a quick-release structure.
5. An orthopedic auxiliary osteosynthesis device according to claim 1, characterized in that: the rack (32) is a straight rack, and the gear (12) is a straight gear.
6. An orthopedic auxiliary osteosynthesis device according to claim 1, characterized in that: the first base (11), the gear (12), the rotating wheel (15), the second base (21), the connecting block (22) and the connecting rod (3) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690244.9U CN215651459U (en) | 2021-07-23 | 2021-07-23 | Supplementary coaptation device for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690244.9U CN215651459U (en) | 2021-07-23 | 2021-07-23 | Supplementary coaptation device for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215651459U true CN215651459U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121690244.9U Active CN215651459U (en) | 2021-07-23 | 2021-07-23 | Supplementary coaptation device for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215651459U (en) |
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2021
- 2021-07-23 CN CN202121690244.9U patent/CN215651459U/en active Active
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