CN215778565U - Fracture reduction forceps for orthopedics and traumatology - Google Patents
Fracture reduction forceps for orthopedics and traumatology Download PDFInfo
- Publication number
- CN215778565U CN215778565U CN202122330963.6U CN202122330963U CN215778565U CN 215778565 U CN215778565 U CN 215778565U CN 202122330963 U CN202122330963 U CN 202122330963U CN 215778565 U CN215778565 U CN 215778565U
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- China
- Prior art keywords
- connecting rod
- clamp body
- positioning block
- forceps
- sleeve
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- Expired - Fee Related
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 15
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 12
- 210000000080 chela (arthropods) Anatomy 0.000 claims 6
- 208000010392 Bone Fractures Diseases 0.000 claims 5
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 11
- 210000004417 patella Anatomy 0.000 description 7
- 206010034122 Patella fracture Diseases 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
A fracture reduction forceps for orthopedics and traumatology solves the problems that the randomness of needle insertion by bare hands is large, great uncertainty exists, and the operation difficulty is increased; the clamp comprises a first clamp body and a second clamp body which are hinged with each other, wherein the first clamp body is rotatably connected with a first connecting rod with an adjustable angle, the first connecting rod is hinged with a second connecting rod, the second connecting rod is slidably connected with the second clamp body, the second connecting rod is rotatably connected with a first positioning block, the second clamp body is rotatably connected with a second positioning block, a sleeve is sleeved on the first positioning block and the second positioning block, a positioning needle is sleeved in the sleeve, a first locking screw matched with the sleeve is screwed on the second positioning block, the front ends of the first clamp body and the second clamp body are provided with arc-shaped clamping parts, and the front end of the clamping part is provided with a pointed end; the device improves the accuracy and the certainty of parallel needle threading, reduces the operation difficulty, reduces the injury of X-rays to patients and medical care in the operation, and reduces the risk of the displacement and fixation failure of the Kirschner wire caused by repeated needle threading.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to fracture reduction forceps for orthopedics and traumatology.
Background
Patella fracture is the most common fracture type of human body, and parallel kirschner wires and stainless steel wires are fixed in an ideal way, but whether the patella fracture can be accurately placed in an ideal position is greatly uncertain, if the position of the kirschner wires is seriously deviated in the operation, the insertion of the kirschner wires needs to be repeatedly adjusted, so that the fracture is aggravated, and even the situation that the kirschner wires are displaced and internally fixed and displaced due to repeated drilling is caused; the free-hand needle insertion mainly depends on the experience and hand feeling of an operator, the randomness is high, great uncertainty exists, and the operation difficulty is increased, so that the orthopedic reduction forceps capable of effectively improving accurate needle threading and joint surface dissection reduction in the operation are urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides fracture reduction forceps for orthopedics and traumatology, which solves the problems that the randomness of needle insertion by hand is high, great uncertainty exists, and the operation difficulty is increased.
In order to achieve the above object, the present invention provides the following technical solutions; the clamp comprises a first clamp body and a second clamp body which are hinged to each other, wherein a first connecting rod with an adjustable angle is rotatably connected to the first clamp body, a second connecting rod is hinged to one end, away from the first clamp body, of the first connecting rod, and is connected with the second clamp body in a sliding mode, a first positioning block is rotatably connected to one end, away from the first connecting rod, of the second connecting rod, a second positioning block is rotatably connected to the second clamp body, a sleeve is sleeved on the first positioning block and the second positioning block, a positioning needle is sleeved in the sleeve, a first locking screw matched with the sleeve is connected to the second positioning block in a threaded mode, arc-shaped clamping portions are arranged at the front ends of the first clamp body and the second clamp body, and a pointed end is arranged at the front end of the clamping portion.
Preferably, the second caliper body is fixedly connected with a guide rod, and the second connecting rod is provided with a guide groove matched with the guide rod.
Preferably, a second locking screw matched with the second connecting rod is connected to the guide rod in a threaded manner.
Preferably, a locking piece is arranged between the first clamp body and the second clamp body and comprises a locking rod rotatably connected with the second clamp body, a plurality of limiting grooves uniformly distributed are formed in the locking rod, and a locking pin matched with the locking rod is fixedly connected to the first clamp body.
Preferably, the tail ends of the first forceps body and the second forceps body are fixedly connected with finger rings.
Compared with the prior art, the utility model has the beneficial effects that: the needle is penetrated under the guidance of the reduction forceps, so that the accuracy and the certainty of parallel needle penetration are improved, the operation difficulty is reduced, and the damage of X-rays to patients and medical care in the operation is reduced; meanwhile, the risk of damaging joints due to the fact that the first puncture position is not ideal and the risk of the Kirschner wire displacement fixation failure caused by repeated needle threading are reduced.
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 principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is an isometric view of the overall structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Fig. 5 is an enlarged schematic view of the portion C in fig. 2.
In the figure: 1-a first clamp body, 2-a second clamp body, 3-a first connecting rod, 4-a second connecting rod, 5-a first positioning block, 6-a second positioning block, 7-a sleeve, 8-a positioning needle, 9-a first locking screw, 10-a guide rod, 11-a guide groove, 12-a second locking screw, 13-a locking rod, 14-a limiting groove, 15-a locking pin, 16-a finger ring, 17-a clamping part and 18-a sharp head.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Referring to fig. 1 to 5, the present invention comprises a first jaw body 1 and a second jaw body 2 hinged to each other, a first connecting rod 3 with adjustable angle is rotatably connected on the first clamp body 1, one end of the first connecting rod 3 far away from the first clamp body 1 is hinged with a second connecting rod 4, the second connecting rod 4 is connected with the second clamp body 2 in a sliding way, one end of the second connecting rod 4 far away from the first connecting rod 3 is connected with a first positioning block 5 in a rotating way, the second clamp body 2 is rotatably connected with a second positioning block 6, the first positioning block 5 and the second positioning block 6 are sleeved with a sleeve 7, a positioning needle 8 is sleeved in the sleeve 7, a first locking screw 9 matched with the sleeve 7 is connected on the second positioning block 6 in a threaded manner, the front ends of the first forceps body 1 and the second forceps body 2 are provided with arc-shaped clamping parts 17, and the front ends of the clamping parts are provided with sharp heads 18.
When an operator performs an operation on a fracture part, by the principle that the tips of the first forceps body 1 correspond to the tips of the second forceps body 2, and the first connecting rod 3, the second connecting rod 4, the sleeve 7 and the second forceps body 2 form a four-bar mechanism, when the first connecting rod 3 is parallel to the sleeve 7, the first connecting rod 3, the second connecting rod 4, the sleeve 7 and the second forceps body 2 form a parallelogram mechanism, when the first forceps body 1 and the second forceps body 2 are operated to rotate relatively, the sleeve 7 can always keep parallel to the first connecting rod 3, so that when the position of the first connecting rod 3 is locked, the sleeve 7 can always keep parallel to the first connecting rod 3, the angular position of the positioning needle 8 can be judged according to the position of the first connecting rod 3, and when the first positioning needle 8 is fixed and the second positioning needle 8 is fixed, the first connecting rod 3 can reach the same position to keep the two positioning needles 8 in parallel, the needle inserting angle and position of the first positioning needle 8 can be adjusted by adjusting the position of the first connecting rod 3; the position of the first connecting rod 3 can be adjusted by a locking screw and then fixed on the first clamp body 1.
During operation, combined anesthesia of lumbar and dura mater is adopted, a patient takes a supine position, a conventional disinfection drape is used, a U-shaped incision is longitudinally or transversely and arcuately arranged in front of a patella to expose the patella, and soft tissues embedded into a fracture end and blood stasis in a joint are fully removed. Firstly, the anterior fiber of the patella is separated along the edge of the fracture end to expose the fracture end, the fracture block is reset under direct vision, the orthopedic reset forceps are used for holding temporary fixation, a small opening is formed in the expansion part of the quadriceps femoris, and the small finger or the small curved forceps are used for probing to ensure that the joint surface is smooth. The first forceps body 1 and the second forceps body 2 of the reduction forceps clamp the pointed end 18 and are located 1/3 in the outer middle of the patella and 1/3 in the inner middle of the patella in the normal position, the side is located in 1/3 in the middle of the patella, then the fracture end is further pressurized, the process of multiple needle threading of the reduction forceps is used for guiding, intraoperative perspective ensures that two kirschner wires are fixed in parallel after needle threading, finally, one end of the kirschner wire is bent into a needle arm shape by using sharp mouth forceps, after being tensioned by 1mm steel wires clinging to the junction of the patella and the kirschner wires, the first forceps body 1 and the second forceps body 2 are twisted tightly and knotted, and the expansion part is sutured, and the knee bending is performed for 120 degrees in the operation for checking and fixing effects.
In order to guide the second connecting rod 4, a guide rod 10 is fixedly connected to the second caliper body 2, and a guide groove 11 matched with the guide rod 10 is formed in the second connecting rod 4.
In order to lock the positions of the first caliper body 1 and the second caliper body 2, a second locking screw 12 matched with the second connecting rod 4 is connected to the guide rod 10 in a threaded manner.
In addition, in order to lock the positions of the first clamp body 1 and the second clamp body 2, a locking piece is arranged between the first clamp body 1 and the second clamp body 2, the locking piece comprises a locking rod 13 which is rotatably connected with the second clamp body 2, a plurality of limiting grooves 14 which are uniformly distributed are formed in the locking rod 13, and a locking pin 15 which is matched with the locking rod 13 is fixedly connected to the first clamp body 1.
In order to facilitate the operation of the first forceps body 1 and the second forceps body 2, finger rings 16 are fixedly connected to the tail ends of the first forceps body 1 and the second forceps body 2.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (5)
1. Fracture reduction forceps for orthopedics department includes first pincers body (1) and the second pincers body (2) of mutual articulated, its characterized in that: a first connecting rod (3) with adjustable angle is rotatably connected on the first clamp body (1), one end of the first connecting rod (3) far away from the first clamp body (1) is hinged with a second connecting rod (4), the second connecting rod (4) is connected with the second clamp body (2) in a sliding way, one end of the second connecting rod (4) far away from the first connecting rod (3) is connected with a first positioning block (5) in a rotating way, a second positioning block (6) is rotatably connected on the second clamp body (2), a sleeve (7) is sleeved on the first positioning block (5) and the second positioning block (6), a positioning needle (8) is sleeved in the sleeve (7), a first locking screw (9) matched with the sleeve (7) is connected on the second positioning block (6) in a threaded manner, the front ends of the first clamp body (1) and the second clamp body (2) are provided with arc-shaped clamping parts (17), and the front ends of the clamping parts are provided with pointed ends (18).
2. The bone fracture reduction forceps for orthopedics and traumatology according to claim 1, characterized in that: the second clamp body (2) is fixedly connected with a guide rod (10), and a guide groove (11) matched with the guide rod (10) is formed in the second connecting rod (4).
3. The bone fracture reduction forceps for orthopedics and traumatology according to claim 2, characterized in that: and a second locking screw (12) matched with the second connecting rod (4) is connected to the guide rod (10) in a threaded manner.
4. The bone fracture reduction forceps for orthopedics and traumatology according to claim 1, characterized in that: be equipped with the locking piece between the first pincers body (1) and the second pincers body (2), the locking piece includes and rotates locking pole (13) of being connected with the second pincers body (2), be equipped with a plurality of evenly distributed's spacing groove (14) on locking pole (13), fixedly connected with and locking pole (13) complex locking round pin (15) on the first pincers body (1).
5. The bone fracture reduction forceps for orthopedics and traumatology according to claim 1, characterized in that: the tail ends of the first forceps body (1) and the second forceps body (2) are fixedly connected with finger rings (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122330963.6U CN215778565U (en) | 2021-09-26 | 2021-09-26 | Fracture reduction forceps for orthopedics and traumatology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122330963.6U CN215778565U (en) | 2021-09-26 | 2021-09-26 | Fracture reduction forceps for orthopedics and traumatology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215778565U true CN215778565U (en) | 2022-02-11 |
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ID=80166483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122330963.6U Expired - Fee Related CN215778565U (en) | 2021-09-26 | 2021-09-26 | Fracture reduction forceps for orthopedics and traumatology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215778565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114983550A (en) * | 2022-05-24 | 2022-09-02 | 中国人民解放军空军军医大学 | Fracture treatment kirschner wire positioning device |
-
2021
- 2021-09-26 CN CN202122330963.6U patent/CN215778565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114983550A (en) * | 2022-05-24 | 2022-09-02 | 中国人民解放军空军军医大学 | Fracture treatment kirschner wire positioning device |
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| 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: 20220211 |