CN217118561U - Bone cement injection device - Google Patents
Bone cement injection device Download PDFInfo
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- CN217118561U CN217118561U CN202123235334.1U CN202123235334U CN217118561U CN 217118561 U CN217118561 U CN 217118561U CN 202123235334 U CN202123235334 U CN 202123235334U CN 217118561 U CN217118561 U CN 217118561U
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- bone cement
- power converter
- push rod
- power
- input shaft
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Abstract
The embodiment of the utility model provides a bone cement injection device, one end of the power converter is provided with the push rod, the other end of the power converter is connected with a bone cement sleeve, and the handle is arranged below the power converter; wherein the push rod, the power converter and the bone cement sleeve are coaxially arranged; a power input shaft for externally connecting a power source is arranged below one side of the power converter connected with the push rod; when the device is used, the power converter converts an external power source on the power input shaft into the thrust of the horizontal motion of the push rod, and the push rod makes reciprocating motion parallel to the direction of the power input shaft. Through the input of power converter with the help of helping external power supply, can provide more high-efficient, stable injection operation, reduce simultaneously to operating personnel's physical demands to guarantee the security of whole operation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a bone cement injection device.
Background
Bone cement is a medical material used in orthopedic surgery, and has a popular name due to its partial physical properties and appearance and properties after setting rather like white cement for construction and decoration. In fact, it is known as bone cement. The main component of the artificial joint replacement implant is polymethyl methacrylate, and the artificial joint replacement implant is mainly used for artificial joint replacement surgery.
At present, most of the power sources for injecting bone cement are pure manpower, which aims at the object with large injection resistance, and can cause the whole injection process to be unstable, and meanwhile, the physical load of an operator is large.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention are proposed in order to provide a bone cement injection device that overcomes or at least partially solves the above mentioned problems.
In order to solve the problems, the embodiment of the utility model discloses a bone cement injection device, which is used for injecting bone cement into a human body and comprises a push rod, a handle and a power converter for converting the rotary motion of an external power source into the horizontal motion of the push rod;
the push rod is arranged at one end of the power converter, the other end of the power converter is connected with the bone cement sleeve, and the handle is arranged below the power converter; wherein the push rod, the power converter and the bone cement sleeve are coaxially arranged;
a power input shaft for externally connecting a power source is arranged below one side of the power converter connected with the push rod;
when the device is used, the power converter converts an external power source on the power input shaft into the thrust of the horizontal motion of the push rod, and the push rod makes reciprocating motion parallel to the direction of the power input shaft.
Preferably, the power converter is connected with the bone cement sleeve through a fixing clamping seat;
the fixing clamping seat is matched with the bone cement sleeve.
Preferably, the fixed cassette comprises a first base and a second base;
the diameter of first base is less than the diameter of second base, first base sets up inside the bone cement sleeve, the second base with the telescopic bottom surface of bone cement is connected.
Preferably, a snap ring for fixing the bone cement sleeve is arranged on the periphery of the second base.
Preferably, a gear transmission device is arranged inside the power converter.
Preferably, a belt wheel transmission device is arranged inside the power converter.
Preferably, a worm gear is arranged inside the power converter.
Preferably, the axis of the handle and the axis of the power converter are provided with a preset angle.
The embodiment of the utility model has the following advantages;
in the embodiment of the application, the push rod, the handle, the power converter for converting the rotary motion of the external power source into the horizontal motion of the push rod and other components are matched; the push rod is arranged at one end of the power converter, the other end of the power converter is connected with the bone cement sleeve, and the handle is arranged below the power converter; wherein the push rod, the power converter and the bone cement sleeve are coaxially arranged; a power input shaft for externally connecting a power source is arranged below one side of the power converter connected with the push rod; when the device is used, the power converter converts an external power source on the power input shaft into the thrust of the horizontal motion of the push rod, and the push rod makes reciprocating motion parallel to the direction of the power input shaft. Through the input of power converter with the help of helping external power supply, can provide more high-efficient, stable injection operation, reduce simultaneously to operating personnel's physical demands to guarantee the security of whole operation.
Drawings
FIG. 1 is a schematic structural view of a bone cement injection device according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of the bone cement injection device of the present invention;
1. a power converter; 2. a push rod; 3. a power input shaft; 4. a handle and; 5. fixing the card holder; 6. a bone cement sleeve.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 2, which are schematic views illustrating an embodiment of a bone cement injection device according to the present invention, the present invention specifically includes a push rod 2, a handle 4, and a power converter 1 for converting a rotational motion of an external power source into a horizontal motion of the push rod 2; the push rod 2 is arranged at one end of the power converter 1, the other end of the power converter 1 is connected with the bone cement sleeve 6, and the handle 4 is arranged below the power converter 1; wherein the push rod 2, the power converter 1 and the bone cement sleeve 6 are coaxially arranged; a power input shaft 3 for externally connecting a power source is arranged below one side of the power converter 1 connected with the push rod 2; when the device is used, the power converter 1 converts an external power source on the power input shaft 3 into the thrust of the horizontal motion of the push rod 2, and the push rod 2 reciprocates in a direction parallel to the power input shaft 3.
One of the core ideas of the embodiment of the utility model is that a bone cement injection device is matched with a push rod 2, a handle 4, a power converter 1 for converting the rotary motion of an external power source into the horizontal motion of the push rod 2 and other components; the push rod 2 is arranged at one end of the power converter 1, the other end of the power converter 1 is connected with the bone cement sleeve 6, and the handle 4 is arranged below the power converter 1; wherein the push rod 2, the power converter 1 and the bone cement sleeve 6 are coaxially arranged; a power input shaft 3 for externally connecting a power source is arranged below one side of the power converter 1 connected with the push rod 2; when the device is used, the power converter 1 converts an external power source on the power input shaft 3 into the thrust of the horizontal motion of the push rod 2, and the push rod 2 reciprocates in a direction parallel to the power input shaft 3. Through the input of power converter with the help of helping external power supply, can provide more high-efficient, stable injection operation, reduce simultaneously to operating personnel's physical demands to guarantee the security of whole operation.
In the embodiment of the application, the handle 4 is arranged below the power converter 1; the axis of the handle 4 and the axis of the power converter 1 are provided with a preset angle. Wherein the preset angle is 80 °.
In one embodiment, the handle 4 is used for the convenience of the operator who holds the handle 4 by hand and the power converter injects the bone cement into the human body. The handle 4 is provided with a frosted anti-slip film to prevent the device from slipping when in use; the handle 4 is provided with a groove, the design of the groove is corresponding to the ergonomics, and the groove is used for skid prevention and gripping.
In the embodiment of the application, one end of the power converter 1 is provided with the push rod 2, and the other end of the power converter 1 is connected with the bone cement sleeve 6; the power converter is internally provided with a gear transmission device or a belt wheel transmission device or a worm and gear transmission device.
In a specific embodiment, the power converter converts the rotary motion of the power tool into the horizontal reciprocating motion of the push rod 2, and the structure can be realized by various mechanical structures, such as a gear transmission, a belt wheel transmission, a worm and gear transmission and the like.
In the embodiment of the application, a power input shaft 3 for externally connecting a power source is arranged below one side of the power converter 1 connected with the push rod 2. The power input shaft 3 is used for externally connecting a power source, and the externally connecting power source is an electric tool for providing power. The power input shaft 3 is linear.
In the embodiment of the present application, the push rod 2 is disposed at one end of the power converter 1. The push rod 2 is connected with the power converter 1 by pushing the bone cement sleeve 6 to advance.
In the embodiment of the present application, the other end of the power converter 1 is connected to a bone cement sleeve 6, and the power converter 1 is connected to the bone cement sleeve 6 through a fixing clamping seat 5; the fixed clamping seat 5 is matched with the bone cement sleeve 6.
In the embodiment of the present application, the fixed clamping seat 5 includes a first base and a second base; the diameter of first base is less than the diameter of second base, first base sets up inside bone cement sleeve 6, the second base with the bottom surface of bone cement sleeve 6 is connected. And a snap ring used for fixing the bone cement sleeve 6 is arranged on the periphery of the second base. The bone cement sleeve 6 is internally provided with bone cement.
As an example, the fixing clip 5 is used to fix the bone cement sleeve 6 on the power converter 1, so as to inject the bone cement in the bone cement sleeve 6 into a human body. The first base is connected with the second base through a connecting rod, the first base is vertically connected with the connecting rod, the second base is vertically connected with the connecting rod, and the first base and the second base are arranged in parallel.
In one embodiment of the present application, when the device is used, the cement sleeve 6 is fixed on the fixing seat 5, and is connected to an external power source, such as an electric tool, through the power input shaft 3 to provide power. Under the action of the power converter 1, external power parameters are converted into power parameters required during injection, such as the direction and the speed of power, and then the push rod 2 is driven to reciprocate in the direction parallel to the power input shaft 3, so that the injection operation is completed or the operation of disassembling the injection tube is completed.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art will also appreciate that the embodiments described in the specification are presently preferred and that no particular act is required in order to implement the invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention 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. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
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, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The bone cement injection device provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A bone cement injection device is used for injecting bone cement into a human body and is characterized by comprising a push rod, a handle and a power converter for converting the rotary motion of an external power source into the horizontal motion of the push rod;
the push rod is arranged at one end of the power converter, the other end of the power converter is connected with the bone cement sleeve, and the handle is arranged below the power converter; wherein the push rod, the power converter and the bone cement sleeve are coaxially arranged;
a power input shaft for externally connecting a power source is arranged below one side of the power converter connected with the push rod;
when the device is used, the power converter converts an external power source on the power input shaft into the thrust of the horizontal motion of the push rod, and the push rod makes reciprocating motion parallel to the direction of the power input shaft.
2. The bone cement injection apparatus of claim 1, wherein the power converter is coupled to the bone cement sleeve by a stationary cartridge;
the fixing clamping seat is matched with the bone cement sleeve.
3. The bone cement injection apparatus of claim 2, wherein the fixation cartridge comprises a first seat and a second seat;
the diameter of first base is less than the diameter of second base, first base sets up inside the bone cement sleeve, the second base with the telescopic bottom surface of bone cement is connected.
4. The bone cement injection device as claimed in claim 3, wherein a snap ring for fixing the bone cement sleeve is provided around the second seat.
5. The bone cement injection apparatus as claimed in claim 1, wherein the power converter is internally provided with a gear transmission.
6. The bone cement injection apparatus of claim 1, wherein a pulley transmission is provided inside the power converter.
7. The bone cement injection apparatus as claimed in claim 1, wherein a worm gear is provided inside the power converter.
8. The bone cement injection apparatus according to claim 1, wherein an axis of the handle and an axis of the power converter are provided with a predetermined angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235334.1U CN217118561U (en) | 2021-12-21 | 2021-12-21 | Bone cement injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235334.1U CN217118561U (en) | 2021-12-21 | 2021-12-21 | Bone cement injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217118561U true CN217118561U (en) | 2022-08-05 |
Family
ID=82618471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123235334.1U Active CN217118561U (en) | 2021-12-21 | 2021-12-21 | Bone cement injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217118561U (en) |
-
2021
- 2021-12-21 CN CN202123235334.1U patent/CN217118561U/en active Active
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