CN214761587U - Novel osteotomy forceps - Google Patents
Novel osteotomy forceps Download PDFInfo
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- CN214761587U CN214761587U CN202120145065.0U CN202120145065U CN214761587U CN 214761587 U CN214761587 U CN 214761587U CN 202120145065 U CN202120145065 U CN 202120145065U CN 214761587 U CN214761587 U CN 214761587U
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- clamp body
- forceps
- handle
- pin shaft
- strip
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- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000010171 animal model Methods 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a novel osteotomy forceps, including first portion, second portion and round pin axle, wherein: the first part and the second part are strip-shaped bodies, pin shaft holes are formed in the first part and the second part, the pin shaft holes of the first part and the second part are arranged in an overlapped mode, a pin shaft is inserted into the two overlapped pin shaft holes, and the first part and the second part can pivot; the osteotomy forceps are provided with a strip-shaped groove only on the forceps body of the first part. Through the utility model discloses, can avoid hindering the musculature when saw cutting experimental animals skeleton, the change of saw bit direction has been avoided in the cutting process. In addition, after cutting, the osteotomy end can be kept stable, and the operation of experimenters is facilitated.
Description
The present patent application claims priority of chinese patent application with application number 202022523715.9 entitled "a new osteotomy forceps" filed on day 11, month 4, 2020, the entire contents of which are incorporated herein by reference.
Technical Field
The utility model relates to an operation experiment utensil especially relates to a novel osteotomy forceps.
Background
In the surgical operation teaching and learning of medical colleges, the fracture of experimental animals is often caused manually, and the general method is to cut the muscle tissue of the animals by a scalpel, expose the bones to be fractured, clamp the bones by a forceps and then saw the bones by a fretsaw or a saw blade and the like. In this process, the saw blade or wire saw is prone to damage the animal's muscles, resulting in secondary damage to the animal. Moreover, after osteotomy, the broken ends of the bones can be greatly displaced due to the traction of muscles, which causes great difficulty to the experiment.
Therefore, the utility model provides a novel osteotomy forceps, the operation of cutting the bone of implementation that can be easy, and when can avoid hindering and reach musculature in operation process, do benefit to the experimenter and swiftly accomplish the experiment.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize:
a novel osteotomy forceps comprises a first part, a second part and a pin shaft, wherein: the first part and the second part are strip-shaped bodies, pin shaft holes are formed in the first part and the second part, the pin shaft holes of the first part and the second part are arranged in an overlapped mode, a pin shaft is inserted into the two overlapped pin shaft holes, and the first part and the second part can pivot; the first part comprises a first clamp body and a first handle, the second part comprises a second clamp body and a second handle, and the pin shaft holes are respectively arranged at the position between the first clamp body and the first handle and the position between the second clamp body and the second handle; the first clamp body and the second clamp body are arranged oppositely, the first handle and the second handle are arranged oppositely, only one strip-shaped groove is formed in the first clamp body, and the strip-shaped groove is an open through hole groove.
The novel osteotomy forceps, wherein: the outer surfaces of the first clamp body and the second clamp body are cambered surfaces, and the cambered surfaces of the outer surfaces of the first clamp body and the second clamp body are outwards convex.
The novel osteotomy forceps, wherein: the inner surfaces of the first clamp body and the second clamp body are oppositely arranged, the inner surfaces of the first clamp body and the second clamp body comprise a first section and a second section, the first section is closer to the pin shaft hole than the second section, and after the first clamp body and the second clamp body are clamped, the distance between the two first sections is greater than the distance between the two second sections.
The novel osteotomy forceps, wherein: the first sections of the first clamp body and the second clamp body are both planes, and the second sections of the first clamp body and the second clamp body are both concave cambered surfaces.
The novel osteotomy forceps, wherein: the second sections of the first clamp body and the second clamp body are provided with a plurality of saw teeth.
The novel osteotomy forceps, wherein: the strip-shaped groove forms a gap from the head part of the first clamp body and extends backwards, and when the upper part of the first part is seen downwards, the second clamp body is exposed in the strip-shaped groove.
The novel osteotomy forceps, wherein: two side walls of the first clamp body are respectively provided with a step through hole which is communicated with the strip-shaped groove.
The novel osteotomy forceps, wherein: the stepped through hole comprises a large hole on the outer side and a small hole on the inner side, and the small hole is a threaded hole.
The novel osteotomy forceps further comprises a screw, and the screw is screwed into the stepped through hole.
The novel osteotomy forceps, wherein: the first handle and the second handle are respectively provided with a buckling rack which can be meshed with each other.
Drawings
FIG. 1 is a front view of a novel osteotomy forceps embodiment 1;
FIG. 2 is a top view of a novel osteotomy forceps embodiment 1;
FIG. 3 is a front view of embodiment 2 of the novel osteotomy forceps;
figure 4 is a front view of the novel osteotomy forceps embodiment 2.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings 1-4.
As shown in fig. 1 and 2, in embodiment 1, the novel osteotomy forceps comprises a first portion and a second portion, wherein the first portion and the second portion are both strip-shaped bodies, the first portion and the second portion are respectively provided with a pin shaft hole in the respective middle parts thereof, the two pin shaft holes are arranged in an overlapping manner, and a pin shaft 5 is inserted into the two pin shaft holes arranged in the overlapping manner, so that the first portion and the second portion can pivot.
The first part comprises a first clamp body 1 and a first handle 4, the second part comprises a second clamp body 2 and a second handle 3, and pin shaft holes are respectively arranged at a position between the first clamp body 1 and the first handle 4 and a position between the second clamp body 2 and the second handle 3; the first forceps body 1 and the second forceps body 2 are oppositely arranged, and the first handle 4 and the second handle 3 are oppositely arranged. The outer surfaces of the first clamp body 1 and the second clamp body 2 are cambered surfaces, and the cambered surfaces of the outer surfaces are outwards convex. The first handle 4 and the second handle 3 are respectively provided with a buckling rack 8 which can be meshed with each other and is used for locking the opening and closing angle of the osteotomy forceps.
As shown in fig. 2, a strip-shaped groove 6 is formed on the first forceps body 1, the strip-shaped groove 6 is an open through-hole groove, i.e. a notch is formed from the head of the first forceps body 1 and extends backwards, and when looking downwards from the upper part of the first forceps body 1, the second forceps body 2 is exposed in the strip-shaped groove 6.
The inner surfaces of the first caliper body 1 and the second caliper body 2 are oppositely arranged, the inner surface of the first caliper body 1 comprises a first section 11 and a second section 12, the inner surface of the second caliper body 2 comprises a first section 21 and a second section 22, the first section is closer to a pin shaft hole than the second section, and after the first caliper body 1 and the second caliper body 2 are clamped, the distance between the two first sections is greater than the distance between the two second sections. The two first sections 11, 21 are both flat surfaces, the two second sections 21 and 22 are both concave arc surfaces, and a plurality of saw teeth (not shown) are densely distributed on the two second sections 21 and 22 for improving the clamping force.
As shown in fig. 3 and 4, the embodiment 2 of the present invention is explained, and in the embodiment 2, the novel osteotome forceps comprises a first portion and a second portion, wherein the first portion and the second portion are both strip-shaped bodies, the first portion and the second portion are both provided with pin shaft holes at respective middle portions thereof, the two pin shaft holes are overlapped, and the pin shaft 5 is inserted into the two overlapped pin shaft holes, so that the first portion and the second portion can pivot.
The first part comprises a first clamp body 1 and a first handle 4, the second part comprises a second clamp body 2 and a second handle 3, and pin shaft holes are respectively arranged at a position between the first clamp body 1 and the first handle 4 and a position between the second clamp body 2 and the second handle 3. The first forceps body 1 and the second forceps body 2 are oppositely arranged, and the first handle 4 and the second handle 3 are oppositely arranged. The outer surfaces of the first clamp body 1 and the second clamp body 2 are cambered surfaces, and the cambered surfaces of the outer surfaces are outwards convex. The inner surfaces of the first caliper body 1 and the second caliper body 2 are oppositely arranged, the inner surface of the first caliper body 1 comprises a first section 11 and a second section 12, the inner surface of the first caliper body 2 comprises a first section 21 and a second section 22, the first section is closer to a pin shaft hole than the second section, and after the first caliper body 1 and the second caliper body 2 are clamped, the distance between the two first sections is greater than the distance between the two second sections. The two first sections 11, 21 are both flat surfaces, the two second sections 21 and 22 are both concave arc surfaces, and a plurality of saw teeth (not shown) are densely distributed on the two second sections 21 and 22 for improving the clamping force. The first handle 4 and the second handle 3 are respectively provided with a buckling rack 8 which can be meshed with each other and is used for locking the opening and closing angle of the osteotomy forceps.
As shown in fig. 4, a strip-shaped groove 6 is formed on the first forceps body 1, and the strip-shaped groove 6 is an open through-hole groove, that is, when a notch is formed at the head of the first forceps body 1, the notch extends backwards, and the second forceps body 2 is exposed in the strip-shaped groove 6 when viewed from the upper part of the first forceps body 1 downwards. Two side walls of the first clamp body 1 are respectively provided with a step through hole 7, and the step through holes 7 are communicated with the strip-shaped grooves 6. The stepped through hole 7 comprises a large hole on the outer side and a small hole on the inner side, and the small hole is a threaded hole.
When cutting the bone, operating personnel cuts the animal muscle, exposes the skeleton, uses the utility model discloses a skeleton is cliied to two second sections of novel osteotomy pincers, with the saw bit from the pulling around the bar groove of the first pincers body inserts the back, can saw cut the skeleton, because not set up the open slot on the second pincers body, consequently saw cut the in-process, the saw bit can receive the blockking of the second pincers body, avoids hindering the musculature of animal. When the osteotomy forceps of the embodiment 2 are used, the screws can be screwed into the two stepped through holes of the first forceps body, the saw blade is placed between the two screws, the position of the saw blade can be limited, the swing of the saw blade is avoided, accurate saw cutting is realized, the screw heads can be accommodated in the large holes of the stepped through holes, and muscles are prevented from being scratched. After the osteotomy, because of the osteotomy end remains stable, the adjustable aversion to the anticipated position during the experiment, directly place steel sheet and screw, convenient and fast.
Through the utility model discloses, can avoid hindering the musculature when saw cutting experimental animals skeleton, can realize accurate saw cutting to saw bit accurate positioning simultaneously. In addition, the fractured end after osteotomy is kept stable and complete under the fixation of the osteotomy forceps, and the placement of an internal fixture or the adjustment of the fracture position can be carried out according to the needs of experimenters.
Claims (10)
1. The utility model provides a novel osteotomy forceps, includes first portion, second portion and round pin axle, its characterized in that: the first part and the second part are strip-shaped bodies, pin shaft holes are formed in the first part and the second part, the pin shaft holes of the first part and the second part are arranged in an overlapped mode, a pin shaft is inserted into the two overlapped pin shaft holes, and the first part and the second part can pivot; the first part comprises a first clamp body and a first handle, the second part comprises a second clamp body and a second handle, and the pin shaft holes are respectively arranged at the position between the first clamp body and the first handle and the position between the second clamp body and the second handle; the first clamp body and the second clamp body are arranged oppositely, the first handle and the second handle are arranged oppositely, only one strip-shaped groove is formed in the first clamp body, and the strip-shaped groove is an open through hole groove.
2. The new osteotomy forceps of claim 1, wherein: the outer surfaces of the first clamp body and the second clamp body are cambered surfaces, and the cambered surfaces of the outer surfaces of the first clamp body and the second clamp body are outwards convex.
3. The new osteotomy forceps of claim 1, wherein: the inner surfaces of the first clamp body and the second clamp body are oppositely arranged, the inner surfaces of the first clamp body and the second clamp body comprise a first section and a second section, the first section is closer to the pin shaft hole than the second section, and after the first clamp body and the second clamp body are clamped, the distance between the two first sections is greater than the distance between the two second sections.
4. The new osteotomy forceps of claim 3, wherein: the first sections of the first clamp body and the second clamp body are both planes, and the second sections of the first clamp body and the second clamp body are both concave cambered surfaces.
5. The new osteotomy forceps of claim 3, wherein: the second sections of the first clamp body and the second clamp body are provided with a plurality of saw teeth.
6. The new osteotomy forceps of claim 1, wherein: the strip-shaped groove forms a gap from the head part of the first clamp body and extends backwards, and when the upper part of the first part is seen downwards, the second clamp body is exposed in the strip-shaped groove.
7. The new osteotomy forceps of claim 1, wherein: two side walls of the first clamp body are respectively provided with a step through hole which is communicated with the strip-shaped groove.
8. The new osteotomy forceps of claim 7, wherein: the stepped through hole comprises a large hole on the outer side and a small hole on the inner side, and the small hole is a threaded hole.
9. The novel osteotomy forceps of claim 8 further comprising a screw threaded into the stepped through bore.
10. The new osteotomy forceps of claim 1, wherein: the first handle and the second handle are respectively provided with a buckling rack which can be meshed with each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020225237159 | 2020-11-04 | ||
| CN202022523715 | 2020-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214761587U true CN214761587U (en) | 2021-11-19 |
Family
ID=78748538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120145065.0U Expired - Fee Related CN214761587U (en) | 2020-11-04 | 2021-01-20 | Novel osteotomy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214761587U (en) |
-
2021
- 2021-01-20 CN CN202120145065.0U patent/CN214761587U/en not_active Expired - Fee Related
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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: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |