CN112603522A - Portable sliding hammer - Google Patents
Portable sliding hammer Download PDFInfo
- Publication number
- CN112603522A CN112603522A CN202011567065.6A CN202011567065A CN112603522A CN 112603522 A CN112603522 A CN 112603522A CN 202011567065 A CN202011567065 A CN 202011567065A CN 112603522 A CN112603522 A CN 112603522A
- Authority
- CN
- China
- Prior art keywords
- hammer body
- hammer
- connecting structure
- sliding
- knocking rod
- 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.)
- Pending
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Classifications
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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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary devices
Abstract
The invention provides a portable sliding hammer, which comprises a left hammer body, a right hammer body and a connecting structure, wherein through grooves are formed in the center positions of the left hammer body and the right hammer body; the connecting structure is arranged in the middle of the left hammer body and the right hammer body, the left hammer body is connected with the right hammer body through the connecting structure, and the connecting structure achieves folding and opening of the left hammer body and the right hammer body. When the integral sliding hammer is used, the through grooves of the left hammer body and the right hammer body are opened, the left hammer body and the right hammer body are placed on the knocking rod and then combined, the middle holding part is held by a single hand to slide on the knocking rod along the axial direction of the knocking rod, and the use hand feeling is improved due to the guiding of the knocking rod. The exchange of the spiral blade and the intramedullary nail can be realized by respectively taking the spiral blade and the intramedullary nail, and the operation is convenient.
Description
Technical Field
The invention relates to a medical instrument, in particular to a portable sliding hammer.
Background
Along with the development of science and technology, the femoral fracture treatment operation technology adopts the intramedullary nail to treat femoral fracture more and more widely, the intramedullary nail has unique advantages in the biological anatomical mechanical property, the stability of fracture broken end reduction is enhanced by the internal fixation mode, and a solid foundation is laid for the early rehabilitation of patients. Because the intramedullary nail has a certain radian, certain resistance can be generated in the process of extracting from the medullary cavity, and the sliding hammer needs to be knocked reversely to assist in extraction at the moment, so that the sliding hammer also becomes an indispensable auxiliary instrument in the intramedullary nail instrument.
In the current operation of treating femoral fracture by intramedullary nail, the operation instruments are various, the size of a complete set of intramedullary nail operation instruments can be dozens or even hundreds, and operators need to replace a plurality of instruments in the operation, thereby not only increasing the operation steps of the operators, but also increasing the cost of manufacturers. At present, in the sliding knocking process, because a doctor operates in an operation and does not slide in a completely horizontal or vertical direction, and the sliding hammer does not completely slide in the axial direction of a knocking rod according to the swinging of an arm when sliding back and forth, the hand feeling in use is influenced, and the use habits of various doctors are different, a sliding hammer can be configured in an intramedullary nail instrument, the center of the sliding hammer is a through hole and is directly sleeved on the knocking rod without being taken down, but the sliding hammer can not be exchanged because the instruments for taking out the spiral blade and the intramedullary nail are different, so that the quantity and the cost of surgical instruments are increased.
Therefore, there is a need for a portable slide hammer that does not require additional equipment.
Disclosure of Invention
The object of the present invention is to provide a portable slide hammer which does not require additional equipment.
In order to solve the technical problems, the invention provides a portable sliding hammer which comprises a left hammer body, a right hammer body and a connecting structure, wherein through grooves are formed in the center positions of the left hammer body and the right hammer body; the connecting structure is arranged in the middle of the left hammer body and the right hammer body, the left hammer body is connected with the right hammer body through the connecting structure, and the connecting structure achieves folding and opening of the left hammer body and the right hammer body.
The connecting structure comprises a pin shaft and a connecting block, wherein the left hammer body and the right hammer body are respectively provided with a transverse groove corresponding to the connecting block, the connecting block is provided with two through holes, the number of the pin shaft is two, the pin shaft is respectively fixed in the transverse grooves of the left hammer body and the right hammer body, and the pin shaft penetrates through the through holes of the connecting block.
And furthermore, the pin shaft is clamped or welded with the left hammer body and the right hammer body.
Wherein, it is further that the connecting block is cuboid, both ends are the half cylinder structure for the centre.
The left hammer body and the right hammer body comprise two end contact parts and a central holding part, and the central holding part is thick in the middle and small in two sides.
When the integral sliding hammer is used, the through grooves of the left hammer body and the right hammer body are opened, the left hammer body and the right hammer body are placed on the knocking rod and then combined, the middle holding part is held by a single hand to slide on the knocking rod along the axial direction of the knocking rod, and the use hand feeling is improved due to the guiding of the knocking rod. The exchange of the spiral blade and the intramedullary nail can be realized by respectively taking the spiral blade and the intramedullary nail, and the operation is convenient.
The sliding hammer has the advantages that the sliding hammer is integrally divided into two parts which can be opened and combined, compared with the traditional sliding hammer, the sliding hammer can also realize the interchange of instruments, namely the sliding hammer can be used when a spiral blade is taken out and can also be used when an intramedullary nail is taken out, the portable sliding hammer adopts a wrapping type, the through groove is sleeved at the rod part of the knocking rod, the knocking rod cannot be separated during sliding, and the portable sliding hammer is guided by the knocking rod, so that the hand feeling during use is improved; compared with the existing sliding hammer, the sliding hammer can be used only by opening and placing the rod part of the knocking rod and combining the rod part of the knocking rod, does not need to rotate by different angles, is convenient to operate, does not need to be additionally provided with the sliding hammer, reduces the number of instruments and reduces the cost of the instruments.
Drawings
FIG. 1 is a schematic view of a left ram body of a slide hammer;
FIG. 2 is a schematic view of the right ram body of the slide hammer;
FIG. 3 is a schematic view of a connection block;
FIG. 4 is a schematic illustration of a pin;
FIG. 5 is a schematic view of the connection of the left and right hammer blocks;
FIG. 6 is a sectional view of the joint between the left and right hammer bodies.
1-left hammer body, 2-right hammer body, 3-connecting block, 4-pin shaft, 5-transverse groove, 6-through groove and 7-through hole.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, a portable slide hammer of the present invention is further described in detail with reference to the accompanying drawings and the detailed description.
In order to solve the above technical problems, the present invention provides a portable slide hammer,
the hammer comprises a left hammer body 1, a right hammer body 2 and a connecting structure, wherein through grooves 6 are formed in the center positions of the left hammer body 1 and the right hammer body 2; the connecting structure is arranged in the middle of the left hammer body and the right hammer body, the left hammer body is connected with the right hammer body through the connecting structure, and the connecting structure achieves folding and opening of the left hammer body and the right hammer body. The knocking rod is accommodated in the through groove during use. In order to realize the folding and the opening of the left hammer body and the right hammer body, the concrete structure of the connecting structure is further designed. The connecting structure comprises a pin shaft 4 and a connecting block 3, wherein the left hammer body 1 and the right hammer body 2 are both provided with transverse grooves 5 corresponding to the connecting block, the connecting block 3 is provided with two through holes 7, the pin shaft is two, the pin shaft 4 is respectively fixed in the transverse grooves 5 of the left hammer body 1 and the right hammer body 2, and the pin shaft 4 penetrates through the through holes 7 of the connecting block 3. The left hammer body and the right hammer body can be opened and closed through the matching of the pin shaft and the connecting block, and the structure is simple and convenient to assemble.
Preferably, the pin shaft 4 is clamped or welded with the left hammer body 1 and the right hammer body 2. The clamping mode can facilitate the disassembly and replacement of all parts, and the welding mode can ensure the stability. In order to facilitate the rotation between the left hammer body 1 and the right hammer body 2, the connecting block 3 is designed to be a cuboid in the middle and be of a semi-cylinder structure at two ends. In order to facilitate the force application of an operator and prevent slipping in the use process, the left hammer body 1 and the right hammer body 2 comprise two end contact parts and a central holding part, and the central holding part is thick in the middle and small in two sides.
When the integral sliding hammer is used, the through grooves of the left hammer body and the right hammer body are opened, the left hammer body and the right hammer body are placed on the knocking rod and then combined, the middle holding part is held by a single hand to slide on the knocking rod along the axial direction of the knocking rod, and the use hand feeling is improved due to the guiding of the knocking rod. The exchange of the spiral blade and the intramedullary nail can be realized by respectively taking the spiral blade and the intramedullary nail, and the operation is convenient.
The sliding hammer has the advantages that the sliding hammer is integrally divided into two parts which can be opened and combined, compared with the traditional sliding hammer, the sliding hammer can also realize the interchange of instruments, namely the sliding hammer can be used when a spiral blade is taken out and can also be used when an intramedullary nail is taken out, the portable sliding hammer adopts a wrapping type, the through groove is sleeved at the rod part of the knocking rod, the knocking rod cannot be separated during sliding, and the portable sliding hammer is guided by the knocking rod, so that the hand feeling during use is improved; compared with the existing sliding hammer, the sliding hammer can be used only by opening and placing the rod part of the knocking rod and combining the rod part of the knocking rod, does not need to rotate by different angles, is convenient to operate, does not need to be additionally provided with the sliding hammer, reduces the number of instruments and reduces the cost of the instruments.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. A portable sliding hammer is characterized by comprising a left hammer body, a right hammer body and a connecting structure, wherein through grooves are formed in the center positions of the left hammer body and the right hammer body; the connecting structure is arranged in the middle of the left hammer body and the right hammer body, the left hammer body is connected with the right hammer body through the connecting structure, and the connecting structure achieves folding and opening of the left hammer body and the right hammer body.
2. A portable slide hammer as set forth in claim 1, wherein: the connecting structure comprises a pin shaft and a connecting block, wherein the left hammer body and the right hammer body are both provided with transverse grooves corresponding to the connecting block, the connecting block is provided with two through holes, the number of the pin shaft is two, the pin shaft is respectively fixed in the transverse grooves of the left hammer body and the right hammer body, and the pin shaft penetrates through the through holes of the connecting block.
3. A portable slide hammer as set forth in claim 1, wherein: the pin shaft is clamped or welded with the left hammer body and the right hammer body.
4. A portable slide hammer as set forth in claim 1, wherein: the connecting block is of a structure that the middle is a cuboid and the two ends are semi-cylinders.
5. A portable slide hammer as set forth in claim 1, wherein: the left hammer body and the right hammer body comprise two end contact parts and a central holding part, and the central holding part is thick in the middle and small in two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567065.6A CN112603522A (en) | 2020-12-25 | 2020-12-25 | Portable sliding hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567065.6A CN112603522A (en) | 2020-12-25 | 2020-12-25 | Portable sliding hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112603522A true CN112603522A (en) | 2021-04-06 |
Family
ID=75249245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011567065.6A Pending CN112603522A (en) | 2020-12-25 | 2020-12-25 | Portable sliding hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112603522A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202154770U (en) * | 2011-06-29 | 2012-03-07 | 北京爱康宜诚医疗器材股份有限公司 | Detachable sliding hammer |
| CN102579085A (en) * | 2011-01-12 | 2012-07-18 | 北京市春立正达医疗器械股份有限公司 | Sliding weight |
| CN208942359U (en) * | 2018-05-06 | 2019-06-07 | 陈和兵 | A kind of bone nail driver |
| CN209966542U (en) * | 2018-01-26 | 2020-01-21 | 上海捷美生物技术有限公司 | Novel two-way sliding hammer |
| CN212053016U (en) * | 2019-12-13 | 2020-12-01 | 厦门三骏工贸有限公司 | Heavy hammer structure |
-
2020
- 2020-12-25 CN CN202011567065.6A patent/CN112603522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579085A (en) * | 2011-01-12 | 2012-07-18 | 北京市春立正达医疗器械股份有限公司 | Sliding weight |
| CN202154770U (en) * | 2011-06-29 | 2012-03-07 | 北京爱康宜诚医疗器材股份有限公司 | Detachable sliding hammer |
| CN209966542U (en) * | 2018-01-26 | 2020-01-21 | 上海捷美生物技术有限公司 | Novel two-way sliding hammer |
| CN208942359U (en) * | 2018-05-06 | 2019-06-07 | 陈和兵 | A kind of bone nail driver |
| CN212053016U (en) * | 2019-12-13 | 2020-12-01 | 厦门三骏工贸有限公司 | Heavy hammer structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |
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| RJ01 | Rejection of invention patent application after publication |