CN215129727U - Novel negative pressure puncture needle - Google Patents
Novel negative pressure puncture needle Download PDFInfo
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- CN215129727U CN215129727U CN202120465860.8U CN202120465860U CN215129727U CN 215129727 U CN215129727 U CN 215129727U CN 202120465860 U CN202120465860 U CN 202120465860U CN 215129727 U CN215129727 U CN 215129727U
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- puncture needle
- negative pressure
- elastic bag
- transparent elastic
- needle
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Abstract
The utility model relates to the technical field of medical equipment, specifically disclose a novel negative pressure pjncture needle, including needle file, bacterinertness hose and pjncture needle tubing, the outside cover of pjncture needle tubing is equipped with transparent elasticity bag, and is equipped with the through-hole on the needle tubing body, through-hole and pjncture needle tubing intercommunication are drawn together to transparent elasticity bag, and the outside of transparent elasticity bag is equipped with the protection epitheca and the protection inferior valve that are used for fixed transparent elasticity bag, the protection epitheca with the one end and the bacterinertness hose connection of protection inferior valve, the other end are connected with the needle file, the laminating of bacterinertness hose sets up on the pjncture needle tubing, the tail end and the heparin cap cooperation of needle file are used. The utility model discloses an utilize transparent elastic bag to provide the negative pressure, avoided the use of traditional syringe, reduced medical personnel's intensity of labour to the pjncture needle puncture back that targets in place, the bacterinertness hose can be stayed in the blood vessel, and the clinical personnel of being convenient for are medical operation on next step.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a novel negative pressure puncture needle.
Background
Clinical central vein catheterization, generally puncture through internal jugular vein, subclavian vein and femoral vein, in whole puncture process, whether the pjncture needle reaches whether intravascular assigned position is the primary standard of judging whether the puncture targets in place, use disposable syringe to provide the negative pressure among the prior art usually, then see blood as the standard of judging whether the puncture targets in place through the syringe pumpback, can cause the waste of medical supplies at this in-process, and the loaded down with trivial details of puncture process, doctor's work load has been increaseed to a certain extent, the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a novel negative pressure pjncture needle to prior art not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel negative pressure pjncture needle, include needle file, bacterinertness hose and with needle file fixed connection's pjncture needle tubing, a serial communication port, the outside cover of pjncture needle tubing is equipped with transparent elasticity bag, be equipped with the through-hole on the body of pjncture needle tubing, transparent elasticity bag includes through-hole on the pjncture needle tubing body, transparent elasticity bag passes through-hole and pjncture needle tubing intercommunication, realizes the negative pressure function through the transparent elasticity bag of extrusion, the outside of transparent elasticity bag is equipped with the protection epitheca and the protection inferior valve that are used for fixed transparent elasticity bag, the protection epitheca with the one end that the needle file was kept away from to the protection inferior valve with bacterinertness hose connection, the other end with the needle file is connected, the laminating of bacterinertness hose sets up on the pjncture needle tubing.
Furthermore, the transparent elastic bag is communicated with the inside, and is attached to the puncture needle tube in a sealing manner.
Furthermore, the front end of the puncture needle tube is provided with identification scales.
Furthermore, the protection upper shell and the protection lower shell are buckled to form an ellipsoid, and openings for exposing the transparent elastic bag are symmetrically arranged on the ellipsoid arc surface of the protection upper shell and the ellipsoid arc surface of the protection lower shell.
Further, the tail end of the needle stand is connected with the heparin cap.
Furthermore, the volume of the transparent elastic bag is 3-7 ml.
Further, the needle head of the puncture needle is a sharp needle head.
The utility model has the advantages that: when the central venous puncture is performed, the negative pressure can be provided by extruding the transparent elastic bag, when the puncture is performed in place, the saccule is loosened, and whether the blood reflows to the transparent elastic bag or not is directly observed, so that whether the puncture process is performed in place or not is directly judged; the transparent elastic bag is used for providing negative pressure, so that the use of the traditional syringe is avoided, the situation that medical staff performs retraction judgment on the syringe in place by using the standby syringe is reduced, and the labor intensity of the medical staff is reduced; the puncture needle is withdrawn after the puncture is in place, and the antibacterial hose can be left in the blood vessel, so that the next operation of clinical staff is facilitated.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic top view of the structure of the utility model.
Fig. 2 is a schematic side view of the structure of the utility model.
In the figure: 1 is a puncture needle tube, 2 is an antibacterial hose, 3 is a protective upper shell, 4 is a protective lower shell, 5 is a transparent elastic bag, 6 is a needle seat, 7 is a heparin cap, and 8 is a through hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a novel negative pressure puncture needle comprises a puncture needle tube 1, an antibacterial hose 2, a protective upper shell 3, a protective lower shell 4, a transparent elastic bag 5, a needle base 6, a heparin cap 7 and a through hole 8, wherein the front end of the needle base 6 is fixedly connected with the puncture needle tube 1, the transparent elastic bag 5 is sleeved outside the puncture needle tube 1, the through hole 8 is arranged on the tube body of the puncture needle tube 1, the transparent elastic bag 5 encloses the through hole 8 on the tube body of the puncture needle tube 1, the transparent elastic bag 5 is communicated with the puncture needle tube 1 through the through hole 8, the negative pressure function is realized by extruding the transparent elastic bag 5, the protective upper shell 3 and the protective lower shell 4 for fixing the transparent elastic bag 5 are arranged outside the transparent elastic bag 5, the protective upper shell 3 and the protective lower shell 4 are connected with the antibacterial hose 2 at the end far away from the needle base, the other end is connected with the needle seat 6, and the antibacterial hose 2 is attached to the puncture needle tube 1.
Specifically, the front end of the puncture needle tube 1 is provided with identification scales, so that medical personnel can observe the puncture depth conveniently.
Specifically, protection epitheca 3 is the ellipsoid form with protection inferior valve 4 lock, forms the space that holds transparent elastic bag 5, transparent elastic bag 5 is located the central authorities in the space that protection epitheca 3 and protection inferior valve 4 lock formed, and protection 3 ellipsoidal cambered surface of epitheca and protection inferior valve 4 ellipsoidal cambered surface on the symmetry be equipped with supply transparent elastic bag 5 exposed trompil, the setting of trompil is convenient for the finger and can be pressed transparent elastic bag 5 to reach the purpose that provides the negative pressure.
Specifically, the tail end of the needle seat 6 is connected with a heparin cap 7.
Specifically, the volume of the transparent elastic bag is 3-7 ml.
Particularly, the needle head of the puncture needle is preferably a sharp needle head, so that the puncture is convenient.
Specifically, the puncture needle tube 1 is provided with the antibacterial hose 2 in an attached mode, when the puncture needle tube 1 is withdrawn in place, the antibacterial hose 2 can be left in the blood vessel, and therefore the next operation of clinical staff is facilitated.
The method comprises the following specific operations: before puncture, medical personnel extrude the transparent elastic bag 5 from the openings on the upper protective shell 3 and the lower protective shell 4 to discharge air in the transparent elastic bag 5 to form negative pressure; then puncture is carried out, whether the puncture depth reaches a specified position can be roughly judged by observing scale marks on the surface of the puncture needle tube 1 in the puncture process, and meanwhile, whether blood exists in the transparent elastic bag is observed by retracting hands in a small range while puncturing; when blood returns in the transparent elastic bag are observed, the puncture is in place according to clinical judgment; after the puncture is judged to be in place, the puncture needle tube is withdrawn, and the antibacterial hose 2 can be left in the blood vessel, so that clinical staff can conveniently perform medical operation required in the next step.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (7)
1. A novel negative pressure puncture needle comprises a needle seat (6), an antibacterial hose (2) and a puncture needle tube (1) fixedly connected with the needle seat (6), and is characterized in that a transparent elastic bag (5) is sleeved outside the puncture needle tube (1), a through hole (8) is formed in the tube body of the puncture needle tube (1), the transparent elastic bag (5) comprises the through hole (8) in the tube body of the puncture needle tube (1), the transparent elastic bag (5) is communicated with the puncture needle tube (1) through the through hole (8), the negative pressure function is realized by extruding the transparent elastic bag (5), a protective upper shell (3) and a protective lower shell (4) for fixing the transparent elastic bag (5) are arranged outside the transparent elastic bag (5), the protective upper shell (3) and one end, far away from the needle seat, of the protective lower shell (4) are connected with the antibacterial hose (2), the other end is connected with the needle seat (6), and the antibacterial hose (2) is attached to the puncture needle tube.
2. The novel negative pressure puncture needle according to claim 1, wherein the transparent elastic bag (5) is internally communicated, and the transparent elastic bag (5) is hermetically attached to the puncture needle tube (1).
3. A novel negative pressure puncture needle according to claim 1, characterized in that the front end of the puncture needle tube (1) is provided with identification scales.
4. The novel negative pressure puncture needle according to claim 1, wherein the protective upper shell (3) and the protective lower shell (4) are buckled to form an ellipsoid, and openings for exposing the transparent elastic bag (5) are symmetrically arranged on the ellipsoid arc surface of the protective upper shell (3) and the ellipsoid arc surface of the protective lower shell (4).
5. A novel negative pressure puncture needle according to claim 1, characterized in that the tail end of the needle stand (6) is connected with a heparin cap (7).
6. A novel negative pressure puncture needle according to claim 1, characterized in that the transparent elastic bag (5) has a capacity of 3-7 ml.
7. A novel negative pressure puncture needle according to claim 1, characterized in that the needle head of the puncture needle is a sharp needle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465860.8U CN215129727U (en) | 2021-03-04 | 2021-03-04 | Novel negative pressure puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465860.8U CN215129727U (en) | 2021-03-04 | 2021-03-04 | Novel negative pressure puncture needle |
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| Publication Number | Publication Date |
|---|---|
| CN215129727U true CN215129727U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120465860.8U Active CN215129727U (en) | 2021-03-04 | 2021-03-04 | Novel negative pressure puncture needle |
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| Country | Link |
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| CN (1) | CN215129727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117322972A (en) * | 2023-11-03 | 2024-01-02 | 天津大学 | Bleeding-free rapid percutaneous puncture device |
-
2021
- 2021-03-04 CN CN202120465860.8U patent/CN215129727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117322972A (en) * | 2023-11-03 | 2024-01-02 | 天津大学 | Bleeding-free rapid percutaneous puncture device |
| CN117322972B (en) * | 2023-11-03 | 2024-04-30 | 天津大学 | Bleeding-free rapid percutaneous puncture device |
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