CN217310507U - Disposable Y-shaped artery puncture needle - Google Patents

Abstract

The utility model discloses a disposable Y type artery pjncture needle belongs to medical instrument technical field, including pjncture needle body, needle tail structure, blood collection bag and diaphragm, the afterbody of pjncture needle body is equipped with the needle tail structure, the inside cavity of pjncture needle body and needle tail structure, and pjncture needle body and needle tail structure integrated into one piece, and the needle tail structure is Y type structure, and the branch road tail end cover of needle tail structure is equipped with blood collection bag, is equipped with the diaphragm in the Y type tail end of the main road of needle tail structure, and the internal environment of external environment and pjncture needle body is kept apart to the diaphragm. This application utilizes Y type tail structure, and after the arteriopuncture was succeeded, the diaphragm blockked the outside blowout of blood, and blood can flow into in the blood collection bag to keep the dry cleanness in art district. While also protecting medical workers from occupational exposure risks. The guide wire punctures the diaphragm, gets into from the needle tail structure, and the pjncture needle body is worn out, can carry out the radiography or various intervention treatments to the artery blood vessel.

Description

A disposable Y-shaped arterial puncture needle

technical field

The utility model relates to the technical field of medical devices, in particular to a disposable Y-shaped arterial puncture needle.

Background technique

Arterial puncture needles are mainly used for puncture and cannulation of arterial vessels. Its function is to measure arterial blood pressure, detect arterial blood pressure during anesthesia, monitor the changes of patients' vital signs, adjust the dosage of anesthetics and the application of muscle relaxation drugs; use arterial puncture needle to extract arterial blood for blood biochemistry, blood gas and other tests ; Arterial puncture needle can also be used to do femoral artery or radial artery puncture and insert guide wire for arterial angiography or various interventional treatments.

At present, the arterial puncture needle used in interventional surgery is an ordinary needle. When puncturing, first use a puncture needle to puncture the blood vessel, spray blood, and then use a guide wire to guide the catheter sheath into the blood vessel. When the surgeon is performing arterial puncture on the patient, the blood in the artery will be ejected, which will easily contaminate the operation area, cause occupational exposure to medical staff, and increase the chance of contracting infectious diseases.

Therefore, how to provide a new type of arterial puncture needle so that it can collect the ejected blood, keep the operation area dry and clean, and prevent medical staff from being infected is a technical problem to be solved urgently by those skilled in the art.

Utility model content

To this end, the present invention provides a disposable Y-shaped arterial puncture needle to solve the problem of contamination of the operating area caused by the arterial puncture needle spurting blood in the prior art.

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

A disposable Y-shaped arterial puncture needle, comprising a puncture needle body, a needle tail structure, a blood collection bag and a diaphragm, the tail of the puncture needle body is provided with a needle tail structure, and the interiors of the puncture needle body and the needle tail structure are hollow , and the puncture needle body and the needle tail structure are integrally formed, the needle tail structure is a Y-shaped structure, the branch end of the needle tail structure is sleeved with a blood collection bag, and the main path of the needle tail structure is A septum is arranged in the Y-shaped tail end, and the septum isolates the external environment and the internal environment of the puncture needle body.

Further, it also includes an outer cover, part of the outer cover is plugged into the tail end of the main path of the needle tail structure, and the outer cover is arranged below the diaphragm.

Further, a perforation is formed through the outer cover, and the guide wire passes through the perforation and the septum and enters the puncture needle body.

Further, the diameter of the perforation is equal to the outer diameter of the guide wire.

Further, the branch end of the needle tail structure is a hard or soft structure.

Further, a needle handle is also included. When the tail end of the branch of the needle tail structure is a soft structure, a needle handle is provided on the outer wall of the needle tail structure.

Further, the diaphragm and the blood collection bag are made of transparent materials.

Further, the outer cover is made of rubber material, and the diaphragm is a rubber film.

The utility model has the following advantages:

The present application utilizes a Y-shaped needle tail structure, a blood collection bag is sleeved at the tail end of the branch path of the Y-shaped needle tail structure, and a diaphragm is provided in the Y-shaped tail end of the main path of the Y-shaped needle tail structure. After successful arterial puncture, the diaphragm blocks the blood from ejecting outward, and the blood flows into the blood collection bag, thereby keeping the surgical area dry and clean, and also protecting medical workers from the risk of occupational exposure. The guide wire punctures the diaphragm, enters from the needle tail structure, and passes through the puncture needle body to perform angiography or various interventional treatments on arterial vessels.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. The technical content must be within the scope of coverage.

Fig. 1 is the structural representation of the utility model embodiment 3;

2 is a cross-sectional view of a needle tail structure and an outer cover provided by the utility model;

3 is a schematic structural diagram of Embodiment 4 of the present utility model;

In the picture:

1 puncture needle body; 2 needle tail structure; 3 blood collection bag; 4 diaphragm; 5 outer cover; 6 perforation; 7 needle handle.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to solve the related technical problems existing in the prior art, the embodiment of the present application provides a disposable Y-shaped arterial puncture needle, which aims to solve the problems of the existing puncture needle spraying blood and the like, and realize the effect of no pollution in the operation area. As shown in FIG. 1-3 , it specifically includes a puncture needle body 1 , a needle tail structure 2 , a blood collection bag 3 and a diaphragm 4 . The tail of the puncture needle body 1 is provided with a needle tail structure 2, the interiors of the puncture needle body 1 and the needle tail structure 2 are hollow, and the puncture needle body 1 and the needle tail structure 2 are integrally formed. The puncture needle body 1 is punctured into the patient's artery, and the arterial blood enters the puncture needle body 1 and the needle tail structure 2 . The needle tail structure 2 is a Y-shaped structure, the branch end of the needle tail structure 2 is sleeved with a blood collection bag 3, and the Y-shaped tail end of the main circuit of the needle tail structure 2 is provided with a diaphragm 4, which isolates the external environment from the external environment. The internal environment of the puncture needle body 1 . The arterial blood is blocked by the diaphragm 4 and will not rush out of the puncture needle body 1 , so that the arterial blood is collected in the blood collection bag 3 .

Arterial puncture needles are mainly used for puncture and cannulation of arterial vessels. Its function is to measure arterial blood pressure, detect arterial blood pressure during anesthesia, monitor the changes of patients' vital signs, adjust the dosage of anesthetics and the application of muscle relaxation drugs; use arterial puncture needle to extract arterial blood for blood biochemistry, blood gas and other tests ; Arterial puncture needle can also be used to do femoral artery or radial artery puncture, insert guide wire, perform arterial angiography or various interventional treatments.

In the prior art, an arterial puncture needle is used to puncture a patient's skin, and the angle of needle insertion is generally 30° to 45°, but for thicker or hard blood vessels, the needle insertion angle should be slightly larger. For those with thinner blood vessels, the needle insertion angle should be slightly smaller. After the needle is inserted, if blood flows out from the tail of the needle, the puncture needle can be advanced a little and then slowly withdrawn until the tail of the needle spurts blood before sending the guide wire. When the surgeon is performing arterial puncture on the patient, the blood in the artery will be ejected, which will easily contaminate the operation area, cause occupational exposure to medical staff, and increase the chance of contracting infectious diseases.

During the interventional operation of the present invention, the guide wire punctures the diaphragm 4, enters from the needle tail structure 2, and passes through the puncture needle body 1, so that angiography or various interventional treatments can be performed on the arterial blood vessels. At the same time, the blood is collected in the blood collection bag 3, and arterial blood samples can also be collected to detect the physical condition of the patient. The diaphragm 4 is a rubber film, and the guide wire can directly penetrate the diaphragm 4 and enter the needle tail structure 2 and the puncture needle body 1 . And the rubber material can hold the guide wire, and can fix the position of the guide wire when the guide wire no longer slides. After successful arterial puncture, the diaphragm 4 prevents the blood from being ejected outward, and the blood will flow into the blood collection bag 3, thereby keeping the operation area dry and clean, and at the same time protecting the medical workers from the risk of occupational exposure.

Diaphragm 4 and blood collection bag 3 are made of transparent materials. Through the transparent diaphragm 4 or blood collection bag 3, it is possible to observe whether blood emerges from the needle tail structure 2 of the puncture needle body 1, so as to determine whether to send the guide wire. When blood emerges from the needle tail structure 2 of the puncture needle body 1, the medical staff keeps the position of the puncture needle body 1 still, and simultaneously feeds the guide wire with the right hand. When feeding the guide wire, the action should be gentle. Once the resistance is encountered, the forward feeding of the guide wire should be stopped immediately, and the guide wire can be partially withdrawn. By changing the angle of the puncture needle or rotating the puncture needle, adjust the advancing direction of the guide wire, and try to send the guide wire again, so as to facilitate the smooth advancement of the guide wire.

It also includes an outer cover 5 , and part of the outer cover 5 is inserted into the tail end of the main path of the needle tail structure 2 , and the outer cover 5 is arranged below the diaphragm 4 . A through hole 6 is formed through the outer cover 5 , and the guide wire passes through the through hole 6 and the septum 4 and enters the puncture needle body 1 . The diameter of the perforation 6 is equal to the outer diameter of the guide wire. The outer cover 5 is made of rubber, and the rubber has elasticity. When the guide wire passes through the hole 6 and the position is fixed, the rubber wraps the guide wire so as to fix the guide wire on the outer cover 5 . In the present invention, the diaphragm 4 can be directly pierced into the diaphragm 4 by opening the outer cover 5 , and the diaphragm 4 can be directly pierced through the perforation 6 on the outer cover 5 .

Example 1

Hold the puncture needle body 1 and puncture the patient's artery, and observe whether there is blood coming out of the puncture needle body 1 through the transparent diaphragm 4 . When the puncture is successful, the diaphragm 4 prevents the blood from being ejected outward, and the blood will flow into the blood collection bag 3, thereby keeping the operation area dry and clean. The outer cover 5 abutting against the diaphragm 4 can also block the blood, further preventing the blood from being ejected from the puncture needle body 1 . Then, the outer cover 5 is removed from the tail end of the main path of the needle tail structure 2, and the guide wire is fed. The guide wire penetrates the diaphragm 4, enters from the needle tail structure 2, and passes through the puncture needle body 1, so that the arterial blood vessels can be pierced. Perform imaging or various interventional treatments.

Example 2

Hold the puncture needle body 1 to puncture the patient's artery, and observe whether there is blood coming out of the puncture needle body 1 through the transparent diaphragm 4 . When the puncture is successful, the diaphragm 4 prevents the blood from being ejected outward, and at the same time, the outer cover 5 provided under the diaphragm 4 can also block the blood, further preventing the blood from being ejected from the puncture needle body 1 and the blood flowing into the blood collection bag 3 in order to keep the surgical area dry and clean. The guide wire is sent into the needle tail structure 2 through the perforation 6 on the outer cover 5, the guide wire pierces the diaphragm 4, enters from the needle tail structure 2, and passes through the puncture needle body 1, and then the arterial angiography or various interventions can be performed. treat.

The branch end of the needle tail structure 2 is a hard or soft structure. When the tail end of the branch of the needle tail structure 2 is a soft structure, a needle handle 7 is provided on the outer wall of the needle tail structure 2 .

Example 3

When the branch end of the needle tail structure 2 is a hard material structure, at this time, the branch end of the needle tail structure 2 acts as the needle handle 7 structure, and the branch end of the needle tail structure 2 will not be squeezed. compression. The medical staff holds the needle tail structure 2, holds the arterial puncture needle and punctures the artery of the patient, and observes whether there is blood coming out of the puncture needle body 1 through the transparent diaphragm 4. When the puncture is successful, the diaphragm 4 prevents the blood from being ejected outward, and at the same time, the outer cover 5 provided under the diaphragm 4 can also block the blood, further preventing the blood from being ejected from the puncture needle body 1 and the blood flowing into the blood collection bag 3 in order to keep the surgical area dry and clean. Send the guide wire into the needle tail structure 2 through the perforation 6 on the outer cover 5 to puncture the diaphragm 4, or remove the outer cover 5 and directly pierce the diaphragm 4 with the guide wire, enter from the needle tail structure 2, and pass through the puncture needle body 1, Arterial angiography or various interventional treatments can be performed.

Example 4

When the tail end of the branch of the needle tail structure 2 is a soft structure, a needle handle 7 is provided on the outer wall of the needle tail structure 2 . Hold the needle handle 7, hold the arterial puncture needle and puncture the patient's artery, and observe through the transparent diaphragm 4 whether there is blood coming out of the puncture needle body 1. When the puncture is successful, the diaphragm 4 prevents the blood from being ejected outward, and at the same time, the outer cover 5 provided under the diaphragm 4 can also block the blood, further preventing the blood from being ejected from the puncture needle body 1 and the blood flowing into the blood collection bag 3 in order to keep the surgical area dry and clean. Send the guide wire into the needle tail structure 2 through the perforation 6 on the outer cover 5 to puncture the diaphragm 4, or remove the outer cover 5 and directly pierce the diaphragm 4 with the guide wire, enter from the needle tail structure 2, and pass through the puncture needle body 1, Arterial angiography or various interventional treatments can be performed.

The use process of the embodiment of the present utility model is as follows:

The medical staff holds the needle tail structure 2 or the needle handle 7, holds the arterial puncture needle and punctures the patient's artery, and observes whether there is blood coming out of the puncture needle body 1 through the transparent diaphragm 4. When the puncture is successful, the diaphragm 4 prevents the blood from being ejected outward, and at the same time, the outer cover 5 provided under the diaphragm 4 can also block the blood, further preventing the blood from being ejected from the puncture needle body 1 and the blood flowing into the blood collection bag 3 in order to keep the surgical area dry and clean. Send the guide wire into the needle tail structure 2 through the perforation 6 on the outer cover 5 to puncture the diaphragm 4, or remove the outer cover 5 and directly pierce the diaphragm 4 with the guide wire, enter from the needle tail structure 2, and pass through the puncture needle body 1, Arterial angiography or various interventional treatments can be performed.

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (8)

1. The utility model provides a disposable Y type artery pjncture needle, its characterized in that, collects bag (3) and diaphragm (4) including pjncture needle body (1), tailstock structure (2), blood, the afterbody of pjncture needle body (1) is equipped with tailstock structure (2), the inside cavity of pjncture needle body (1) and tailstock structure (2), just pjncture needle body (1) and tailstock structure (2) integrated into one piece, tailstock structure (2) are Y type structure, the branch road tail end cover of tailstock structure (2) is equipped with blood and collects bag (3), be equipped with diaphragm (4) in the Y type tail end of the main road of tailstock structure (2), external environment is kept apart with diaphragm (4) the internal environment of pjncture needle body (1).

2. A disposable Y-shaped arterial puncture needle according to claim 1, characterized by further comprising an outer cover (5), wherein a portion of the outer cover (5) is inserted into the main tail end of the needle tail structure (2), and the outer cover (5) is disposed below the septum (4).

3. The disposable Y-shaped artery puncture needle as claimed in claim 2, wherein a perforation (6) is arranged on the outer cover (5) in a penetrating way, and a guide wire passes through the perforation (6) and the septum (4) to enter the puncture needle body (1).

4. A disposable Y-site puncture needle according to claim 3, wherein the diameter of the puncture hole (6) is equal to the outer diameter of the guide wire.

5. The disposable Y-shaped artery puncture needle according to claim 1, characterized in that the tail end of the branch of the needle tail structure (2) is a hard or soft structure.

6. The disposable Y-shaped artery puncture needle according to claim 5, characterized in that, a needle handle (7) is further included, when the tail end of the branch of the needle tail structure (2) is a soft structure, the needle handle (7) is arranged on the outer wall of the needle tail structure (2).

7. A disposable Y-shaped arteriopuncture needle according to claim 1 in which said septum (4) and blood collection bag (3) are of transparent material.

8. A disposable Y-shaped arterial puncture needle according to claim 2, characterized in that the outer cover (5) is made of rubber and the septum (4) is a rubber membrane.

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