CN216908082U - Bone hammer - Google Patents
Bone hammer Download PDFInfo
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- CN216908082U CN216908082U CN202121251282.4U CN202121251282U CN216908082U CN 216908082 U CN216908082 U CN 216908082U CN 202121251282 U CN202121251282 U CN 202121251282U CN 216908082 U CN216908082 U CN 216908082U
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- hammer body
- hammer
- sliding rod
- limiting
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Abstract
The application provides a bone hammer, which comprises a handle, a sliding rod and a hammer body; one end of the sliding rod is connected with the handle, and the sliding hammer body is sleeved in the middle of the sliding rod; a first limiting block is arranged in the middle of the sliding hammer body, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod corresponding to the first limiting block; when the sliding hammer body moves up and down relative to the sliding rod along the direction of the limiting groove, the first limiting block is embedded into and penetrates through the sliding hammer body, and one end, penetrating out of the sliding hammer body, of the first limiting block is arranged in the limiting groove; the limiting groove is matched with the first limiting block arranged in the limiting groove, so that the relative rotation amplitude of the sliding rod and the sliding hammer body during up-and-down motion is limited. Through the design of spacing groove to the restriction the slide bar with the relative rotation of slide hammer block, the bone hammer uses more conveniently.
Description
Technical Field
The application relates to the field of medical instruments, in particular to a bone hammer.
Background
The bone hammer is an important instrument used in surgical implantation operation, and the bone hammer is used for driving a file into a patient body by holding and beating so as to prepare for prosthesis implantation operation. The bone hammer is used in a surgical operation, and the effect of the bone hammer is mainly used for hammering to press a fixed target. Striking inserts for a variety of nails are common, as well as other surgical tools requiring a high impact force. Generally, the surgical instrument is divided into two main structures, one is a hammer-shaped structure which is common in life, and the other structure is mostly used for drawing and taking out other surgical instruments.
The existing sliding hammer is composed of a handle, a rod body, a sliding hammer body and a clamping head.
When the existing medical bone hammer is used, the corresponding up-and-down action is usually required to be carried out through the operation of the bone hammer for embedding, but the convenience of the operation is not considered in the existing bone hammer, and the actual connection operation is slightly complicated.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application is made to provide a bone hammer that overcomes or at least partially solves the above problems.
A bone hammer comprises a handle, a sliding rod and a hammer body;
one end of the sliding rod is connected with the handle, and the sliding hammer body is sleeved in the middle of the sliding rod;
a first limiting block is arranged in the middle of the sliding hammer body, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod corresponding to the first limiting block;
when the sliding hammer body moves up and down relative to the sliding rod along the direction of the limiting groove, the first limiting block is embedded into and penetrates through the sliding hammer body, and one end, penetrating out of the sliding hammer body, of the first limiting block is arranged in the limiting groove; the limiting groove is matched with the first limiting block arranged in the limiting groove, so that the relative rotation amplitude of the sliding rod and the sliding hammer body during up-and-down motion is limited.
Preferably, the sliding hammer further comprises a second limiting block, and the lower portion of the sliding rod is provided with the second limiting block for preventing the sliding hammer body from sliding off.
Preferably, the medical instrument further comprises a connecting end for connecting the medical instrument;
the connecting end is arranged at one end of the sliding rod far away from the handle, and the connecting end is matched with the medical instrument.
Preferably, the diameter of the middle part of the sliding hammer body is smaller than the diameter of the two ends of the sliding hammer body.
Preferably, the first limiting block is in a screw shape.
The application has the following advantages:
in the embodiment of the application, the handle, the sliding rod and the sliding hammer body are connected; one end of the sliding rod is connected with the handle, and the sliding hammer body is sleeved in the middle of the sliding rod; a first limiting block is arranged in the middle of the sliding hammer body, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod corresponding to the first limiting block; when the sliding hammer body moves up and down relative to the sliding rod along the direction of the limiting groove, the first limiting block is embedded into and penetrates through the sliding hammer body, and one end, penetrating out of the sliding hammer body, of the first limiting block is arranged in the limiting groove; the limiting groove is matched with the first limiting block arranged in the limiting groove, so that the relative rotation amplitude of the sliding rod and the sliding hammer body during up-and-down motion is limited. Through the design of spacing groove to the restriction the slide bar with the relative rotation of slide hammer block, the bone hammer uses more conveniently.
Drawings
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.
Fig. 1 is a schematic partial cross-sectional view of a bone hammer according to an embodiment of the present application;
fig. 2 is a schematic structural view of a bone hammer according to an embodiment of the present application;
1. a handle; 2. a slide bar; 3. a ram body; 31. a first stopper; 4. and a second limiting block.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.
It should be noted that in any embodiment of the present invention, the hammer is used in a surgical operation, and the hammer is mainly used for hammering to press a fixed target. Striking inserts for various nails are common, as well as other medical devices requiring a large impact force for driving the medical device into a patient.
Referring to fig. 1, a schematic partial sectional structure diagram of a bone hammer provided by an embodiment of the present application is shown, including a handle 1, a sliding rod 2, and a sliding hammer body 3, where one end of the sliding rod 2 is connected to the handle 1, and the sliding hammer body 3 is sleeved in the middle of the sliding rod 2; a first limiting block 31 is arranged in the middle of the sliding hammer body 3, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod 2 corresponding to the first limiting block 31; when the sliding hammer body 3 moves up and down relative to the sliding rod 2 along the direction of the limiting groove, the first limiting block 31 is embedded in and penetrates through the sliding hammer body 3, and one end, penetrating out of the sliding hammer body 3, of the first limiting block 31 is arranged in the limiting groove; the relative rotation amplitude of the slide rod 2 and the slide hammer body 3 during the up-and-down motion is limited by the matching of the limiting groove and the first limiting block 31 arranged in the limiting groove.
In the embodiment of the application, the handle 1, the sliding rod 2 and the sliding hammer body 3 are used for connecting the sliding rod and the sliding hammer body; one end of the sliding rod 2 is connected with the handle 1, and the sliding hammer body 3 is sleeved in the middle of the sliding rod 2; a first limiting block 31 is arranged in the middle of the sliding hammer body 3, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod 2 corresponding to the first limiting block 31; when the sliding hammer body 3 moves up and down relative to the sliding rod 2 along the direction of the limiting groove, the first limiting block 31 is embedded in and penetrates through the sliding hammer body 3, and one end, penetrating out of the sliding hammer body 3, of the first limiting block 31 is arranged in the limiting groove; the limit groove is matched with the first limit block 31 arranged in the limit groove, so that the relative rotation amplitude of the slide rod 2 and the slide hammer body 3 during the up-and-down motion is limited. Through the design of spacing groove to the restriction slide bar 2 with the relative rotation of slide hammer block 3, the bone hammer uses more conveniently.
Hereinafter, a bone hammer in the present exemplary embodiment will be further described.
In one embodiment of the present application, one end of the sliding rod 2 is connected to the handle 1; the handle 1 is cylindrical, and the diameter of the handle 1 is larger than that of the sliding rod 2.
In a particular implementation, when the hammer is used to hammer a medical instrument, in the event of a large impact force, the handle 1 is held by a medical professional.
In one embodiment of the application, one end of the sliding rod 2 is connected with the handle 1, and the sliding hammer body 3 is sleeved in the middle of the sliding rod 2; the lower part of the sliding rod 2 is provided with a second limiting block 4 for limiting the moving position of the sliding hammer body 3; the connecting end is arranged at one end of the sliding rod 2 far away from the handle 1, and the connecting end is matched with the medical instrument
In a concrete realization, slide bar 2 is glossy round bar, 2 tops of slide bar are connected handle 1, 2 covers of slide bar are equipped with slide hammer body 3, slide hammer body 3 can move on slide bar 2, slide bar 2 is in slide hammer body 3's below still is equipped with second stopper 4, second stopper 4 with slide bar 2 fixed connection works as slide hammer body 3 stops when a certain position, has second stopper 4 to block, prevents slide hammer body 3 follows landing in slide bar 2.
In a specific implementation, the bottom end of the sliding rod 2 is provided with a connecting end, and the connecting end is used for medical instruments. When the existing medical sliding hammer is used, the existing medical sliding hammer generally needs to be matched and connected with interfaces of other medical instrument tools through a far-end connecting end, and the common connecting end is structurally provided with a cam mechanism, a T shape and the like. Most of the existing bone hammers on the market do not consider the convenience of the operation, and the actual connection operation is slightly complicated.
Referring to fig. 2, the sliding hammer body 3 is sleeved in the middle of the sliding rod 2, a first limiting block 31 is arranged in the middle of the sliding hammer body 3, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at a position of the sliding rod 2 corresponding to the first limiting block 31; the sliding hammer body 3 is embedded in one end of the first limiting block 31, and the other end of the first limiting block 31 is arranged in the limiting groove. When the sliding hammer body 3 moves up and down relative to the sliding rod 2 along the direction of the limiting groove, the first limiting block 31 is embedded in and penetrates through the sliding hammer body 3, and one end, penetrating out of the sliding hammer body 3, of the first limiting block 31 is arranged in the limiting groove; the relative rotation amplitude of the slide rod 2 and the slide hammer body 3 during the up-and-down motion is limited by the matching of the limiting groove and the first limiting block 31 arranged in the limiting groove.
In a specific implementation, when the bone hammer is used, the sliding hammer body 3 moves up and down in the vertical direction relative to the sliding rod 2, and the relative rotation between the sliding rod 2 and the sliding hammer body 3 is limited by the limiting groove.
In an embodiment of the present application, a first stopper 31 is disposed in the middle of the sliding hammer body 3, and a position of the sliding rod 2 corresponding to the first stopper 31 is provided with a stopper groove for limiting the rotation of the sliding hammer body; the sliding hammer body 3 is embedded in one end of the first limiting block 31, and the other end of the first limiting block 31 is arranged in the limiting groove.
In a specific implementation, the first stopper 31 is in a screw shape, at least one first stopper 31 is arranged, the first stopper 31 is fixedly connected with the slider body 3, a nut part of the first stopper 31 is embedded in the slider body 3, a screw part of the first stopper 31 is arranged in the stopper groove, and the stopper groove is provided with a movable space for the first stopper 31 to move up and down; the width of the limiting groove is equal to the diameter of the limiting screw, and the length of the limiting groove is larger than the diameter of the limiting screw. The limiting groove is used for limiting the relative rotation of the sliding hammer body 3 and the sliding rod 2, so that the sliding hammer body 3 and the sliding rod 2 can only move up and down relatively.
In one embodiment of the present application, the diameter of the middle of the ram body 3 is smaller than the diameter of the two ends of the ram body 3; in particular, the middle of the sliding hammer body 3 is designed to facilitate the medical staff to hold the sliding hammer body 3.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, the statement that "comprises an … …" limits an element does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The present application provides a bone hammer, which is described in detail above, and the principles and embodiments of the present application are described herein using specific examples, and the description of the examples is only provided to help understanding the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (5)
1. A bone hammer is used for driving medical instruments into a patient body and is characterized by comprising a handle, a sliding rod and a hammer body;
one end of the sliding rod is connected with the handle, and the sliding hammer body is sleeved in the middle of the sliding rod;
a first limiting block is arranged in the middle of the sliding hammer body, and a limiting groove for limiting the rotation of the sliding hammer body is arranged at the position of the sliding rod corresponding to the first limiting block;
when the sliding hammer body moves up and down relative to the sliding rod along the direction of the limiting groove, the first limiting block is embedded into and penetrates through the sliding hammer body, and one end, penetrating out of the sliding hammer body, of the first limiting block is arranged in the limiting groove; the limiting groove is matched with the first limiting block arranged in the limiting groove, so that the relative rotation amplitude of the sliding rod and the sliding hammer body during up-and-down motion is limited.
2. The bone hammer of claim 1, further comprising a second limiting block, wherein the second limiting block is arranged at the lower part of the sliding rod and used for preventing the sliding hammer body from sliding down.
3. The bone hammer of claim 1, further comprising a connection end for connecting the medical device;
the connecting end is arranged at one end of the sliding rod, which is far away from the handle, and the connecting end is matched with the medical instrument.
4. The bone hammer of claim 1, wherein a diameter of the central portion of the ram body is smaller than a diameter of the ends of the ram body.
5. The bone hammer of claim 1, wherein the first stop is in the form of a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251282.4U CN216908082U (en) | 2021-06-04 | 2021-06-04 | Bone hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251282.4U CN216908082U (en) | 2021-06-04 | 2021-06-04 | Bone hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908082U true CN216908082U (en) | 2022-07-08 |
Family
ID=82224092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251282.4U Active CN216908082U (en) | 2021-06-04 | 2021-06-04 | Bone hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216908082U (en) |
-
2021
- 2021-06-04 CN CN202121251282.4U patent/CN216908082U/en active Active
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