CN212755830U - Novel bone puncture needle launching device - Google Patents
Novel bone puncture needle launching device Download PDFInfo
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- CN212755830U CN212755830U CN202020676554.4U CN202020676554U CN212755830U CN 212755830 U CN212755830 U CN 212755830U CN 202020676554 U CN202020676554 U CN 202020676554U CN 212755830 U CN212755830 U CN 212755830U
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- puncture needle
- impact rod
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Abstract
The utility model relates to a novel bone puncture needle launching device, which comprises a body, wherein the bottom of the body is provided with a mounting hole for mounting a puncture needle; the impact rod penetrates through the body, can make linear motion from an initial position to a percussion position along a percussion direction, and impacts the puncture needle when the impact rod is positioned at the percussion position; the limiting structure is arranged on the body and connected with the impact rod, so that the impact rod is kept at the initial position; the percussion piece is connected with the body in a sliding way, the impact rod is connected with the percussion piece through a power storage spring, and the percussion piece can relieve the limitation of the limiting structure on the impact rod under the action of external force so that the impact rod moves from the initial position to the percussion position of the impact rod; when the striker rod is in its initial position, the power spring is in a compressed state. When the puncture needle is used, the puncture needle is aligned to the skin of a target position, then the knocking piece is pressed, the impact rod moves, and when the impact rod is located at the percussion position of the impact rod, the puncture needle is impacted to drive the puncture needle to puncture the target position.
Description
Technical Field
The utility model relates to a bone puncture medical supplies technical field, concretely relates to novel bone puncture needle transmission device.
Background
The bone puncture needle is used for transfusion into the marrow cavity, so that the drug effect can be quickly exerted, and the life of a patient is saved. Because the hardness of the bone is high, medical staff is difficult to insert the puncture needle into a target position by hands, clinically, a bone shooting gun is often used for auxiliary operation, the structure of the common bone shooting gun is complex, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
To the defects in the prior art, the to-be-solved technical problem of the utility model is to provide a novel bone puncture needle emitter, its simple structure is favorable to reducing manufacturing cost.
In order to solve the technical problem, the utility model provides a novel bone puncture needle launching device, which comprises a body, wherein the bottom of the body is provided with a mounting hole for mounting a puncture needle; the impact rod penetrates through the body, can make linear motion from an initial position to a percussion position along a percussion direction, and impacts the puncture needle when the impact rod is positioned at the percussion position of the impact rod; the limiting structure is arranged on the body and is connected with the impact rod, so that the impact rod is kept at the initial position of the impact rod; the percussion piece is connected with the body in a sliding manner, one end, far away from the puncture needle, of the impact rod is connected with the percussion piece through a power storage spring, and the percussion piece can release the limitation of the limiting structure on the impact rod under the action of external force, so that the impact rod moves from the initial position to the percussion position of the impact rod; when the striker is in its initial position, the power spring is compressed against the striker and the plexor.
When the bone puncture needle launching device is used, the puncture needle is arranged in the mounting hole, the puncture needle is aligned to the skin of a target position, then the knocking piece is pressed, so that the impact rod moves from the initial position to the end position, and when the impact rod is positioned at the impact position, the puncture needle is impacted to drive the puncture needle to puncture the skin to the target position; the utility model discloses in, when the striking rod was located initial position, the trend of striking rod to its percussion position motion was given to the spring of holding of compression, and this elastic potential energy who holds the spring is big more, and the effort that the striking rod was applyed to the pjncture needle just is big more. Therefore, the utility model has the advantages of simple structure, convenient operation and capability of effectively assisting the puncture needle to puncture the target position.
Preferably, the striking rod comprises a connecting part and a striking part which are fixedly connected, one end of the connecting part, which is far away from the striking part, is connected with the power storage spring, and a fixing column is arranged on the periphery of the connecting part; the body is provided with a guide groove along the length direction of the body, a clamping groove is formed in the inner wall of one side of the guide groove in the length direction, the clamping groove forms the limiting structure, and when the impact rod is located at the initial position of the impact rod, the impact rod is fixedly clamped in the clamping groove.
Preferably, a through groove is formed in the knocking piece, the fixing column penetrates through the through groove, a knocking inclined surface is arranged on the inner periphery of the through groove and located above the fixing column, the knocking piece can slide relative to the body under the action of external force, so that the knocking inclined surface moves towards the direction close to the fixing column, and when the knocking inclined surface abuts against the outer periphery of the fixing column, an acting force is applied to the fixing column, and the fixing column rotates into the guide groove from the clamping groove.
Preferably, the top of the body far away is open, and the rapping piece penetrates through the inner periphery of the body from the open.
Preferably, a guide post is arranged on the bottom wall of the body, a guide channel communicated with the mounting hole is arranged in the guide post, and the bottom of the impact rod penetrates through the guide channel.
Preferably, the periphery of the guide post is sleeved with a spring, and the bottom of the spring is fixedly connected with the bottom wall of the body.
Preferably, the bottom of body is provided with a arch, and this bellied internal week is provided with the mounting hole, overlaps at this bellied periphery and is equipped with a position sleeve, and this position sleeve includes from last to down cylindricality section and big end down's toper section, cylindricality section with protruding threaded connection, just the bottom of toper section is less than the bottom of pjncture needle.
Preferably, the puncture needle comprises a needle body and a needle tube sleeved on the periphery of the needle pair, and a stop block is convexly arranged on the periphery of the needle tube.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a novel bone puncture needle launching device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure between the novel bone puncture needle launching device and the puncture needle according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a striker bar according to an embodiment of the present invention;
fig. 4 is a schematic partial structure diagram of the body according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of the knocking member according to the embodiment of the present invention;
fig. 6 is a schematic structural view of the knocking member releasing restriction of the impact bar by the restricting structure according to the embodiment of the present invention.
Reference numerals:
1-body; 2, puncturing needle; 3-knocking piece; 4-a striker bar; 5-a power storage spring; 6-a spring; 7-positioning sleeve;
11-a bump; 12-a guide groove; 13-a card slot; 14-a guide post; 21-needle body; 22-a needle tube; 23-a stopper; 31-a through slot; 41-a connecting part; 42-a strike portion; 43-fixed column;
311-tapping the incline.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, 2, 3, 4, 5 and 6, the present embodiment discloses a novel bone puncture needle launching device, which comprises a body 1, wherein the top of the body 1 is open, a protrusion 11 is arranged at the bottom of the body 1, and the inner periphery of the protrusion 11 is provided with a mounting hole for mounting a puncture needle 2; a piece 3 of strikeing is worn to be equipped with in the uncovered department in the top of this body 1, this piece 3 of strikeing and body 1 sliding connection, the bottom of this piece 3 of strikeing is uncovered, strike 4 in the inside of this piece 3 of strikeing, this strike 4 includes fixed connection's connecting portion 41 and striking portion 42, and the periphery integrated into one piece of connecting portion 41 has fixed column 43, the one end and the power storage spring 5 fixed connection of striking portion 42 are kept away from to above-mentioned connecting portion 41, this power storage spring 5's other end fixed connection is in the roof of strikeing 3.
In the embodiment, the impact rod 4 can move linearly from an initial position to an impact position along an impact direction, and when the impact rod 4 is located at the impact position, the puncture needle 2 is impacted, so that the puncture needle 2 pierces the skin to reach a target puncture position; when striker rod 4 is in its initial position, power spring 5 is in a compressed state.
A limiting structure is provided on the body 1 so that the striking rod 4 is maintained at its initial position, specifically, a guide groove 12 is provided on the body 1 along its length direction, a catching groove 13 is provided on one side inner wall of the guide groove 12 in the length direction, the catching groove 13 forms the limiting structure, and the fixing post 43 is caught in the catching groove 13 when the striking rod 4 is at its initial position.
The knocking member 3 is provided with a through groove 31, the fixing post 43 sequentially passes through the through groove 31 and the engaging groove 13 (or the guide groove 12), the through groove 31 is provided at an inner circumference thereof with a knocking inclined surface 311, the knocking inclined surface 311 is positioned above the fixing post 43,
when an operator presses the knocking piece 3, the knocking piece 3 slides relative to the body 1, when the knocking inclined surface 311 moves to be in contact with the periphery of the fixed column 43, a radial force is applied to the fixed column 43, so that the impact rod 4 rotates, under the continuous pushing of the knocking inclined surface 311, the fixed column 43 is separated from the clamping groove 13 and enters the guide groove 12 (refer to fig. 6), and after the fixed column is separated from the limit of the limiting structure, the impact rod 4 can move to the firing position under the action of the power storage spring 5.
Further, a guide post 14 is arranged on the bottom wall of the body 1, a guide channel communicated with the installation hole of the puncture needle 2 is arranged in the guide post 14, the bottom of the impact rod 4 penetrates through the guide channel, a spring 6 is sleeved on the periphery of the guide post 14, the bottom of the spring 6 is fixedly connected with the bottom wall of the body 1, when the impact rod 4 is located at the initial position, the spring 6 is in a free state, a certain distance is reserved between the top of the impact rod 4 and the bottom of the connecting portion 41 of the impact rod 4, when the impact rod 4 is located at the percussion position, the spring 6 is compressed, a reaction force is applied to the impact rod 4, the impact rod 4 is enabled to have an upward movement tendency after the puncture needle 2 is percussion, and the spring 6 can play a certain buffering role to prevent the puncture needle 2 from being punctured too deeply. In this embodiment, the stiffness coefficient of power storage spring 5 is larger than that of spring 6.
Further, the positioning sleeve 7 is sleeved on the periphery of the protrusion 11, the positioning sleeve 7 comprises a cylindrical section and a conical section which is small in upper part and large in lower part from top to bottom, the cylindrical section is in threaded connection with the protrusion 11, the bottom of the conical section is lower than the bottom of the puncture needle 2, when the bone puncture needle launching device is used, the bottom of the positioning sleeve 7 abuts against the skin on the periphery of a puncture point, and the bone puncture needle launching device is convenient to fix.
The puncture needle 2 of the embodiment adopts a common puncture needle for bone puncture, which comprises a needle body 21 and a needle tube 22 sleeved on the periphery of the needle body 21, and in practice, in order to prevent the puncture needle 2 from penetrating too deeply, a circle of stop blocks 23 can be fixedly connected on the periphery of the needle tube 22; further, the outer periphery of the tip of the needle tube 22 is provided with an external thread, and after the puncture needle 2 is inserted into a target position, the needle body 21 is pulled out, and a syringe is connected to the external thread of the needle tube 22 to infuse the liquid into the bone marrow cavity through the needle tube 22.
In this embodiment, two fixing columns 43 are symmetrically arranged on the periphery of the striking rod 4, correspondingly, two guide grooves 12 and two clamping grooves 13 are arranged on the body 1, and two through grooves 31 and two striking inclined surfaces 311 are arranged on the striking piece 3, which is specifically referred to fig. 4 and 5.
In addition, after the operation is finished, the striking rod 4 can move upwards under the action of the spring 6, and the fixing column 43 can be clamped into the clamping groove 13 again in combination with the inclined surface at the bottom of the through groove 31 and the manual operation of an operator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A novel bone puncture needle launching device is characterized by comprising:
the puncture needle comprises a body, wherein the bottom of the body is provided with a mounting hole for mounting a puncture needle;
the impact rod penetrates through the body, can make linear motion from an initial position to a percussion position along a percussion direction, and impacts the puncture needle when the impact rod is positioned at the percussion position of the impact rod;
the limiting structure is arranged on the body and is connected with the impact rod, so that the impact rod is kept at the initial position of the impact rod;
the percussion piece is connected with the body in a sliding manner, one end, far away from the puncture needle, of the impact rod is connected with the percussion piece through a power storage spring, and the percussion piece can release the limitation of the limiting structure on the impact rod under the action of external force, so that the impact rod moves from the initial position to the percussion position of the impact rod;
when the striker is in its initial position, the power spring is compressed against the striker and the plexor.
2. The novel bone puncture needle firing device according to claim 1, wherein:
the impact rod comprises a connecting part and an impact part which are fixedly connected, one end of the connecting part, which is far away from the impact part, is connected with the power storage spring, and a fixing column is arranged on the periphery of the connecting part;
the body is provided with a guide groove along the length direction of the body, a clamping groove is formed in the inner wall of one side of the guide groove in the length direction, the clamping groove forms the limiting structure, and when the impact rod is located at the initial position of the impact rod, the impact rod is fixedly clamped in the clamping groove.
3. The novel bone puncture needle firing device of claim 2, wherein:
the fixing column fixing device is characterized in that a through groove is formed in the knocking piece, the fixing column penetrates through the through groove, a knocking inclined surface is arranged on the inner periphery of the through groove and located above the fixing column, the knocking piece can slide relative to the body under the action of external force, so that the knocking inclined surface moves towards the direction close to the fixing column, and when the knocking inclined surface abuts against the periphery of the fixing column, an acting force is applied to the fixing column, and the fixing column rotates into the guide groove from the clamping groove.
4. The novel bone puncture needle firing device according to claim 1, wherein:
the top that the body kept away from is uncovered, the piece is worn to establish from this uncovered department in the body inner periphery is strikeed.
5. The novel bone puncture needle firing device according to claim 1, wherein:
be provided with the guide post on the diapire of body, be provided with in this guide post with the guide way of mounting hole intercommunication, the bottom of striking rod is worn to establish in this guide way.
6. The novel bone puncture needle firing device of claim 5, wherein:
the periphery cover of guide post is equipped with the spring, the bottom of this spring with the diapire fixed connection of body.
7. The novel bone puncture needle firing device according to claim 1, wherein:
the bottom of body is provided with a arch, and this bellied internal week is provided with the mounting hole is equipped with a position sleeve in this bellied periphery cover, and this position sleeve is from last to including cylindricality section and big end down's toper section, the cylindricality section with protruding threaded connection, just the bottom of toper section is less than the bottom of pjncture needle.
8. The novel bone puncture needle firing device according to claim 1, wherein:
the puncture needle comprises a needle body and a needle tube sleeved on the periphery of the needle tube, and a stop block is arranged on the periphery of the needle tube in a protruding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676554.4U CN212755830U (en) | 2020-04-28 | 2020-04-28 | Novel bone puncture needle launching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676554.4U CN212755830U (en) | 2020-04-28 | 2020-04-28 | Novel bone puncture needle launching device |
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| Publication Number | Publication Date |
|---|---|
| CN212755830U true CN212755830U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020676554.4U Active CN212755830U (en) | 2020-04-28 | 2020-04-28 | Novel bone puncture needle launching device |
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| CN (1) | CN212755830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317849A (en) * | 2021-04-22 | 2021-08-31 | 卫飞 | Bone puncture needle emitter |
| WO2024032510A1 (en) * | 2022-08-10 | 2024-02-15 | 杭州锐健马斯汀医疗器材有限公司 | Drive-in device |
-
2020
- 2020-04-28 CN CN202020676554.4U patent/CN212755830U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317849A (en) * | 2021-04-22 | 2021-08-31 | 卫飞 | Bone puncture needle emitter |
| CN113317849B (en) * | 2021-04-22 | 2022-09-27 | 卫飞 | Bone puncture needle emitter |
| WO2024032510A1 (en) * | 2022-08-10 | 2024-02-15 | 杭州锐健马斯汀医疗器材有限公司 | Drive-in device |
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