CN215458476U - Thoracic cavity puncture needle - Google Patents
Thoracic cavity puncture needle Download PDFInfo
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- CN215458476U CN215458476U CN202121415890.4U CN202121415890U CN215458476U CN 215458476 U CN215458476 U CN 215458476U CN 202121415890 U CN202121415890 U CN 202121415890U CN 215458476 U CN215458476 U CN 215458476U
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- needle
- puncture needle
- sleeve
- adjustable fixing
- drainage tube
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Abstract
The utility model belongs to the technical field of medical instruments, and particularly relates to a thoracic cavity puncture needle. The drainage tube is provided with the flow speed regulator; the needle body at the front end of the puncture needle is provided with scales, the tail end of the puncture needle is provided with a needle seat, the needle seat is provided with external threads, and the external threads are in threaded connection with an adjustable fixing element and a reinforcing element; the adjustable fixing element comprises a disk-shaped connecting end and a cylindrical sleeve, the connecting end is fixed at the front end of the sleeve, and an internal thread is arranged on the inner wall of the sleeve; an internal thread hole is arranged in the reinforcing element; the internal thread hole of the reinforcing element and the internal thread of the sleeve are both in threaded engagement with the external thread of the needle seat, and the reinforcing element is close to the tail end of the adjustable fixing element. The utility model can accurately adjust the needle insertion depth according to individual difference, confirms the needle insertion depth, can improve the problems that the needle insertion depth is not easy to be controlled, a puncture needle is easy to slip, the needle insertion angle and the depth are easy to change, pollution is easy to cause and the like, ensures the needle insertion precision and simultaneously improves the efficiency.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a thoracic cavity puncture needle.
Background
Thoracentesis is a relatively common diagnostic and therapeutic procedure for the aspiration of pleural effusion through a puncture needle. Can carry out the cell, biochemical and bacteriological detection of the pleural effusion, properly discharge the pleural effusion to reduce the intrathoracic pressure, and inject the medicine into the intrathoracic cavity through puncture for treatment, etc.
Currently, there are many disadvantages to currently used thoracic puncture needles in clinical use, including: 1. the subcutaneous fat thickness of patients is different, the needle insertion depth of the existing chest puncture needle can only be roughly estimated through artificial intuition, the needle insertion depth cannot be accurately adjusted according to individual requirements, lung tissues are easily damaged, and the clinical operation risk is high; 2. the thoracic cavity puncture needle is made of metal materials, is easy to slip after liquid is leaked, is more difficult to grasp and fix, is easy to cause the change of the needle inserting angle and the depth, is difficult for a single person to smoothly complete liquid pumping, and even leads to pneumothorax for serious patients; 3. most puncture needles can not adjust the drainage speed, and when the volume of accumulated pleural fluid is large and the pressure in the thoracic cavity is obviously increased, the accumulated fluid is easy to splash in the process of repeatedly pumping the fluid, thereby causing pollution.
Disclosure of Invention
The utility model aims to solve the problems and provides a thoracic cavity puncture needle.
The utility model is realized by adopting the following technical scheme: a thoracic cavity puncture needle comprises a hollow puncture needle, a drainage tube and a tube cap, wherein the front end of the drainage tube is connected with the puncture needle, and the tail end of the drainage tube is connected with the tube cap; the tail part of the hollow puncture needle is matched with an adjustable fixing element and a reinforcing element, and the drainage tube is provided with a flow speed regulator;
the needle body at the front end of the puncture needle is provided with scales, the tail part of the puncture needle is provided with a needle seat, the needle seat is provided with external threads, and the external threads are in threaded connection with an adjustable fixing element and a reinforcing element;
the adjustable fixing element comprises a disk-shaped connecting end and a cylindrical sleeve, the connecting end is fixed at the front end of the sleeve, and an internal thread is arranged on the inner wall of the sleeve;
an internal threaded hole is formed in the reinforcing element;
the internal thread hole of the reinforcing element and the internal thread of the sleeve are both in threaded engagement with the external thread of the needle base, and the reinforcing element is close to the tail end of the adjustable fixing element.
Furthermore, the tail end of the needle seat of the puncture needle is provided with an annular wafer and a conical cylinder, and the diameter of the annular wafer is larger than that of the conical cylinder;
the front end of the drainage tube is sleeved on the conical column body.
Further, the pipe cap comprises a vessel-shaped base, a solid plug, a hollow cone and a connecting part;
the hollow cone is arranged at the tail end of the drainage tube;
one end of the connecting part is connected to the drainage tube, the other end of the connecting part is connected with the vessel type base, the inner side of the vessel type base is connected with the solid plug, and the solid plug is inserted into the hollow cone.
Furthermore, the outer wall of the sleeve of the adjustable fixing element is provided with vertical strip-shaped lines playing a role in skid resistance.
Furthermore, the front side of the connecting end of the adjustable fixing element is provided with a back adhesive.
Compared with the prior art, the utility model has the beneficial effects that:
1. scales and adjustable fixing elements are arranged on the puncture needle, and the needle insertion depth is accurately adjusted according to individual differences through the adjustable fixing elements, so that the needle insertion depth is confirmed; after the needle is inserted, the adjustable fixing element is tightly attached to the skin of the puncture part through the matching of the reinforcing element and the adjustable fixing element, so that the puncture needle is reinforced, and the puncture angle, the puncture depth and the puncture needle slippage caused during operation are avoided;
2. the adjustable fixing element is provided with the vertical bar-shaped lines, so that the puncture and the gripping are more stable;
3. the drainage tube is provided with the flow speed regulator, so that the drainage speed and the drainage quantity can be more conveniently mastered, and the phenomenon that drainage liquid splashes to cause cross infection is avoided;
therefore, the utility model has simple structure, is practical and safe, can accurately adjust the needle insertion depth according to individual difference, confirms the needle insertion depth, can solve the problems that the needle insertion depth of the traditional puncture needle is not easy to be held, the puncture needle is easy to slip, the needle insertion angle and the depth are easy to change, the pollution is easy to cause and the like, improves the efficiency while ensuring the needle insertion precision, and can be used for diagnosing pleural effusion and treating related diseases.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the needle of the present invention;
FIG. 3 is a schematic view of the adjustable fixing element of the present invention;
FIG. 4 is a schematic structural view of a reinforcing member of the present invention;
in the figure: 1-puncture needle, 1.1-scale, 1.2-needle seat, 1.2.1-external thread, 1.3-annular disk, 1.4-conical column, 2-adjustable fixing element, 2.1-connecting end, 2.1.1-gum, 2.2-sleeve, 2.2.1-internal thread, 2.3-vertical strip line, 3-reinforcing element, 3.1-internal thread hole, 4-connecting part, 5-hollow cone, 6-drainage tube, 7-flow rate regulator, 8-tube cap, 9-pulley, 10-vessel type base and 11-solid plug.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a thoracic cavity puncture needle comprises a hollow puncture needle 1, a drainage tube 6 and a tube cap 8, wherein the front end of the drainage tube 6 is connected with the puncture needle 1, and the tail end of the drainage tube is connected with the tube cap 8; the tail part of the hollow puncture needle 1 is matched with an adjustable fixing element 2 and a reinforcing element 3, and the drainage tube 6 is provided with a flow rate regulator 7; the drainage speed and the drainage quantity of the accumulated liquid can be mastered through a pulley 9 on the flow rate regulator 7;
the scale 1.1 is arranged on the needle body at the front end of the puncture needle 1, the needle base 1.2 is arranged at the tail part of the puncture needle 1, the external thread 1.2.1 is arranged on the needle base 1.2, and the adjustable fixing element 2 and the reinforcing element 3 are in threaded connection on the external thread 1.2.1;
the adjustable fixing element 2 comprises a disk-shaped connecting end 2.1 and a cylindrical sleeve 2.2, the connecting end 2.1 is fixed at the front end of the sleeve 2.2, and an internal thread 2.2.1 is arranged on the inner wall of the sleeve 2.2;
an internal threaded hole 3.1 is formed in the reinforcing element 3;
the internal thread hole 3.1 of the reinforcing element 3 and the internal thread 2.2.1 of the sleeve 2.2 are both in threaded engagement with the external thread 1.2.1 of the needle base 1.2, the reinforcing element 3 is close to the tail end of the adjustable fixing element 2, the reinforcing element 3 reinforces the adjustable fixing element 2 on one hand, and stabilizes the puncture needle 1 on the other hand, so that the puncture needle 1 is prevented from moving to the tail end due to stress.
The tail end of the needle seat 1.2 of the puncture needle 1 is provided with an annular wafer 1.3 and a conical cylinder 1.4, and the diameter of the annular wafer 1.3 is larger than that of the conical cylinder 1.4;
the front end of the drainage tube 6 is sleeved on the conical column body 1.4; so that the puncture needle 1 and the drainage tube 6 are connected more firmly.
The pipe cap 8 comprises a vessel-shaped base 10, a solid plug 11, a hollow cone 5 and a connecting part 4;
the hollow cone 5 is arranged at the tail end of the drainage tube 6;
one end of the connecting part 4 is connected to the drainage tube 6, the other end of the connecting part is connected with the vessel type base 10, the inner side of the vessel type base 10 is connected with the solid plug 11, the solid plug 11 is inserted in the hollow cone 5, and the diameter and the length of the solid plug 11 and the hollow cone 5 are embedded.
The outer wall of the sleeve 2.2 of the adjustable fixing element 2 is provided with vertical strip-shaped lines 2.3 playing a role in skid resistance, so that the puncture needle 1 can be more firmly gripped when the depth of the puncture needle is adjusted.
The front side of the connecting end 2.1 of the adjustable fixing element 2 is provided with a back adhesive 2.1.1, and the back adhesive 2.1.1 is torn off after the needle insertion is completed, so that the adjustable fixing element 2 can be conveniently stuck on skin.
The application process of the utility model is as follows:
1. firstly, a pipe cap 8 is plugged into a drainage pipe 6, and the drainage pipe 6 is clamped by a sliding pulley 9;
2. before the puncture needle is inserted into the skin, the distance between the front end of the puncture needle 1 and the adjustable fixing element 2 (namely the depth of the puncture needle) can be adjusted through the adjustable fixing element 2 according to different requirements of each person;
3. after adjustment, the puncture needle 1 is inserted, and after the puncture is ensured to be successful, the back adhesive 2.1.1 is torn off to stick the adjustable fixing element 2 to the skin;
4. after insertion, the adjustable fixing element 2 can be firmly attached to the skin through the fixing element 3;
5. the drainage speed is adjusted by a sliding pulley 9, the pipe cap 8 is opened, and drainage liquid is collected for inspection;
6. after the puncture is finished, the sliding pulley 9 clamps the drainage tube 6, the tube cap 8 is plugged, the puncture needle 1 is pulled out, the skin is disinfected, and sterile dressing is covered.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A thoracic cavity puncture needle comprises a hollow puncture needle (1), a drainage tube (6) and a tube cap (8), wherein the front end of the drainage tube (6) is connected with the puncture needle (1), and the tail end of the drainage tube is connected with the tube cap (8); the method is characterized in that: the tail part of the hollow puncture needle (1) is matched with an adjustable fixing element (2) and a reinforcing element (3), and the drainage tube (6) is provided with a flow rate regulator (7);
the needle body at the front end of the puncture needle (1) is provided with scales (1.1), the tail part of the puncture needle (1) is provided with a needle seat (1.2), the needle seat (1.2) is provided with an external thread (1.2.1), and the external thread (1.2.1) is in threaded connection with an adjustable fixed element (2) and a reinforcing element (3);
the adjustable fixing element (2) comprises a disk-shaped connecting end (2.1) and a cylindrical sleeve (2.2), the connecting end (2.1) is fixed at the front end of the sleeve (2.2), and an internal thread (2.2.1) is arranged on the inner wall of the sleeve (2.2);
an internal threaded hole (3.1) is formed in the reinforcing element (3);
the internal thread hole (3.1) of the reinforcing element (3) and the internal thread (2.2.1) of the sleeve (2.2) are both in threaded engagement with the external thread (1.2.1) of the needle base (1.2), and the reinforcing element (3) is close to the tail end of the adjustable fixing element (2).
2. A thoracentesis needle according to claim 1 wherein: the tail end of a needle seat (1.2) of the puncture needle (1) is provided with an annular wafer (1.3) and a conical cylinder (1.4), and the diameter of the annular wafer (1.3) is larger than that of the conical cylinder (1.4);
the front end of the drainage tube (6) is sleeved on the conical column body (1.4).
3. A thoracentesis needle according to claim 1 or 2 wherein: the pipe cap (8) comprises a vessel-shaped base (10), a solid plug (11), a hollow cone (5) and a connecting part (4);
the hollow cone (5) is arranged at the tail end of the drainage tube (6);
one end of the connecting part (4) is connected to the drainage tube (6), the other end of the connecting part is connected with the vessel type base (10), the inner side of the vessel type base (10) is connected with the solid plug (11), and the solid plug (11) is inserted into the hollow cone (5).
4. A thoracentesis needle according to claim 3 wherein: the outer wall of the sleeve (2.2) of the adjustable fixing element (2) is provided with vertical strip-shaped grains (2.3) playing a role of skid resistance.
5. A thoracentesis needle according to claim 4 wherein: the front side of the connecting end (2.1) of the adjustable fixing element (2) is provided with a back adhesive (2.1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415890.4U CN215458476U (en) | 2021-06-24 | 2021-06-24 | Thoracic cavity puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415890.4U CN215458476U (en) | 2021-06-24 | 2021-06-24 | Thoracic cavity puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458476U true CN215458476U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121415890.4U Active CN215458476U (en) | 2021-06-24 | 2021-06-24 | Thoracic cavity puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458476U (en) |
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2021
- 2021-06-24 CN CN202121415890.4U patent/CN215458476U/en active Active
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