CN211409277U

CN211409277U - Artery puncture needle capable of enhancing ultrasonic development by injecting normal saline

Info

Publication number: CN211409277U
Application number: CN201921916485.3U
Authority: CN
Inventors: 刘立飞; 叶茂
Original assignee: Childrens Hospital of Chongqing Medical University
Current assignee: Childrens Hospital of Chongqing Medical University
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-04
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a piercing depth technical field, specifically speaking relates to an artery pjncture needle of accessible injection normal saline reinforcing supersound development, including the syringe, the head end of syringe is equipped with the pjncture needle, and the pjncture needle includes pullover and puncture syringe needle, and the outside of pullover has cup jointed the syringe needle of keeping somewhere, and the end of keeping somewhere the syringe needle has seted up the cover chamber, and the head end integrated into one piece of keeping somewhere the syringe needle has the pipe of keeping somewhere, keeps somewhere the pipe and is linked together with the cover chamber, and the puncture syringe needle passes and stretches out from keeping somewhere. The utility model discloses an in with syringe and pjncture needle integrated design, reduced the phenomenon of gassing, reduced when the puncture air enter into human in causing the interference to the ultrasonic development, and the design of syringe and pjncture needle integration has shortened the total length of traditional split type design, facilitates user of service's operation more.

Description

Artery puncture needle capable of enhancing ultrasonic development by injecting normal saline

Technical Field

The utility model relates to a piercing depth technical field, specifically speaking relates to an artery pjncture needle of accessible injection normal saline reinforcing supersound development.

Background

When the puncture work of needle is kept somewhere to the condition that uses the supersound to develop, the needle point is difficult to look for under the supersound for the position of puncture can not be fine developed out, and the connection of syringe and pjncture needle is inseparable when using the pjncture needle to puncture in the needle is kept somewhere to the needle that has now simultaneously, leads to the bubble to be injected into the tissue, seriously influences the ultrasonic image, and the syringe influences puncture work with the puncture needle overall length overlength after the combination simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an artery pjncture needle of ultrasonic development is strengthened to the accessible injection normal saline to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an artery pjncture needle of accessible injection normal saline reinforcing supersound development, includes the syringe, the head end of syringe is equipped with the pjncture needle, the pjncture needle include with syringe integrated into one piece's hollow form pullover with inlay and establish the puncture syringe needle of pullover tip, the outside of pullover has cup jointed the needle of keeping somewhere, the end of keeping somewhere the syringe needle has seted up set chamber, it passes through to keep somewhere the syringe needle the cover chamber cup joints the outside of pullover, the head end integrated into one piece of keeping somewhere the syringe needle has the pipe of keeping somewhere, keep somewhere the pipe with the cover chamber is linked together, the puncture syringe needle is followed pass and stretch out in the pipe of keeping somewhere.

Preferably, the injector comprises a needle cylinder and a push rod sleeved in the needle cylinder.

Preferably, the puncture needle head is communicated with the interior of the sleeve head, and the sleeve head and the needle cylinder are integrally formed and are communicated with the interior of the needle cylinder.

Preferably, an annular blocking edge is integrally formed on the outer surface of the sleeve head, and the outer diameter of the blocking edge is larger than that of the sleeve head.

Preferably, the size of the sleeve cavity is matched with the size of the sleeve head, and when the indwelling needle is sleeved on the sleeve head, the tail end surface of the indwelling needle is abutted against the retaining edge.

Preferably, the indwelling tube is a flexible hollow tubular structure.

Preferably, an air filter is arranged between the injector and the puncture needle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the artery puncture needle capable of enhancing ultrasonic development by injecting normal saline is characterized in that an air filter is arranged between the injector and the puncture needle, and when the push rod is pushed to inject the normal saline in the injector, substances doped in the normal saline are filtered by the air filter, so that the substances are prevented from entering a human body to influence the ultrasonic development; in addition, the integrated design of the injector and the puncture needle reduces the phenomenon of bubble generation, reduces the interference of air entering the human body to ultrasonic development during puncture, shortens the total length of the traditional split design by the integrated design of the injector and the puncture needle, and is more convenient for the operation of users.

2. According to the artery puncture needle capable of enhancing ultrasonic development by injecting physiological saline, a small amount of physiological saline is injected into the injector, so that the high echo of the puncture needle head is in the center of the low echo of the physiological saline when puncture development is carried out, and the development display is clear.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view showing the mounting of the puncture needle in example 1;

FIG. 3 is a schematic view showing the structure of an indwelling needle in example 1;

FIG. 4 is a schematic view showing the structure of an indwelling needle in example 1.

In the figure: 1. an injector; 11. a needle cylinder; 12. a push rod; 2. puncturing needle; 21. sleeving heads; 211. blocking edges; 22. a puncture needle head; 3. keeping the needle head; 3a, sleeving a cavity; 31. an indwelling tube; 4. an air filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The embodiment provides an arterial puncture needle capable of enhancing ultrasonic development by injecting physiological saline, as shown in fig. 1-3, the arterial puncture needle comprises a syringe 1, a puncture needle 2 is arranged at the head end of the syringe 1, the puncture needle 2 comprises a hollow sleeve 21 integrally formed with the syringe 1 and a puncture needle head 22 embedded at the end part of the sleeve 21, an indwelling needle head 3 is sleeved outside the sleeve 21, a sleeve cavity 3a is arranged at the tail end of the indwelling needle head 3, the indwelling needle head 3 is sleeved outside the sleeve 21 through the sleeve cavity 3a, an indwelling tube 31 is integrally formed at the head end of the indwelling needle head 3, the indwelling tube 31 is communicated with the sleeve cavity 3a, and the puncture needle head 22 penetrates through and extends out of the indwelling tube 31.

In this embodiment, the injector 1 includes a syringe 11 and a push rod 12 sleeved in the syringe 11, wherein a piston is sleeved at an end of the push rod 12 positioned inside the syringe 11, the piston is tightly attached to an inner surface of the syringe 11, and the push rod 12 can drive the piston to slide in the syringe 11 by pushing and pulling the push rod 12, so that the injector 1 performs liquid discharging and absorbing operations.

Specifically, the puncture needle 22 communicates with the inside of the hub 21, and the hub 21 is integrally formed with the cylinder 11 and communicates with the inside of the cylinder 11, so that the syringe 1 can perform liquid discharge and suction operations through the puncture needle 2.

Furthermore, an annular blocking edge 211 is integrally formed on the outer surface of the sleeve head 21, and the outer diameter of the blocking edge 211 is larger than that of the sleeve head 21. The size of cover chamber 3a and the size looks adaptation of pullover 21 for when keeping somewhere syringe needle 3 and cup joint on pullover 21, keep somewhere terminal surface and the fender of syringe needle 3 and follow 211 butt, reach and carry out spacing effect to keeping somewhere syringe needle 3, prevent that pjncture needle 2 from cup jointing too deeply and leading to pjncture needle 2 to be difficult to pull out from keeping somewhere syringe needle 3 when covering chamber 3 a.

In addition, the indwelling tube 31 is a flexible hollow tubular structure, a small amount of physiological saline is sucked into the injector 1, the physiological saline pushes the push rod 12 to extrude and discharge air in the injector 1 and the puncture needle 2, when the injector 1 is held and the puncture needle 2 sleeved with the indwelling needle 3 is punctured to the skin, the puncture needle head 22 drives the indwelling tube 31 to puncture into the skin, and at the moment, the puncture needle head 22 is filled with the physiological saline, so that the high echo of the needle point of the puncture needle head 22 is in the center of the low echo of the physiological saline, and the needle point is clearly displayed in ultrasonic development.

In a specific operation, as shown in fig. 4, in order to prevent the saline injected into the human body from being doped with substances which can affect the development, such as salt crystals and air which are not fully dissolved, an air filter 4 is arranged between the injector 1 and the puncture needle 2, and when the push rod 12 is pushed to inject the saline in the injector 1, the substances doped in the saline are filtered by the air filter 4 to prevent the substances from entering the human body to affect the ultrasonic development; in addition, the integrated design of the injector 1 and the puncture needle 2 reduces the phenomenon of bubble generation, reduces the interference of air entering the human body to ultrasonic development during puncture, and the integrated design of the injector 1 and the puncture needle 2 shortens the total length of the traditional split design, thereby being more convenient for the operation of users.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An arterial puncture needle capable of enhancing ultrasonic development by injecting physiological saline, comprising an injector (1), characterized in that: the head end of syringe (1) is equipped with pjncture needle (2), pjncture needle (2) include with syringe (1) integrated into one piece's hollow form pullover (21) is established with inlaying pullover (22) of pullover (21) tip, remaining syringe needle (3) have been cup jointed in the outside of pullover (21), set chamber (3a) have been seted up to the end of remaining syringe needle (3), it passes through to reserve syringe needle (3) set chamber (3a) cup joint the outside of pullover (21), the head end integrated into one piece of remaining syringe needle (3) has and stays pipe (31), keep somewhere pipe (31) with set chamber (3a) are linked together, puncture syringe needle (22) are followed it passes and stretches out to stay in pipe (31).

2. An arterial needle for enhanced ultrasound visualization by injection of saline solution as claimed in claim 1 wherein: the injector (1) comprises a needle cylinder (11) and a push rod (12) sleeved in the needle cylinder (11).

3. An arterial needle capable of enhanced ultrasound visualization by injection of physiological saline according to claim 2 wherein: the puncture needle head (22) is communicated with the interior of the sleeve head (21), and the sleeve head (21) and the needle cylinder (11) are integrally formed and communicated with the interior of the needle cylinder (11).

4. An arterial needle for enhanced ultrasound visualization by injection of saline solution as claimed in claim 1 wherein: the outer surface of the sleeve head (21) is integrally formed with an annular blocking edge (211), and the outer diameter of the blocking edge (211) is larger than that of the sleeve head (21).

5. An arterial needle according to claim 4 capable of enhanced ultrasound visualization by injection of saline solution, characterized by: the size of the sleeve cavity (3a) is matched with that of the sleeve head (21), and when the indwelling needle head (3) is sleeved on the sleeve head (21), the tail end surface of the indwelling needle head (3) is abutted to the blocking edge (211).

6. An arterial needle for enhanced ultrasound visualization by injection of saline solution as claimed in claim 1 wherein: the indwelling pipe (31) is of a flexible hollow tubular structure.

7. An arterial needle for enhanced ultrasound visualization by injection of saline solution as claimed in claim 1 wherein: an air filter (4) is arranged between the injector (1) and the puncture needle (2).