CN209827815U

CN209827815U - Novel exhaust needle

Info

Publication number: CN209827815U
Application number: CN201920408564.7U
Authority: CN
Inventors: 杨晓畅
Original assignee: First Affiliated Hospital of Chongqing Medical University
Current assignee: First Affiliated Hospital of Chongqing Medical University
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-24
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a novel exhaust needle, which comprises a guide needle, a needle seat and an air pipe, wherein the guide needle is a columnar hollow needle, the top of the guide needle is a needle point, the bottom of the guide needle is provided with an opening, and the side wall of the guide needle is provided with an air hole communicated with the inner cavity of the guide needle; the needle seat is a columnar T-shaped circular truncated cone, the needle seat comprises an inserting end and a fixed end, the inserting end can be inserted into the opening of the guide needle, the needle seat is provided with a channel along the axial direction, and the channel enables the inner cavity of the guide needle to be communicated with the outside; the air pipe is arranged on the inner wall of the guide needle and penetrates out of the channel, the air pipe is in sealing fit with the channel, the air pipe can slide in the channel, the air pipe is communicated with the air hole, and the air pipe can be bent under stress. The novel exhaust needle effectively avoids bubbles generated in the glass bottle in the process of inputting human serum albumin, and influences medical staff to observe the condition in the glass bottle and cause the waste of medicines.

Description

Novel exhaust needle

Technical Field

The utility model relates to the field of medical equipment, concretely relates to novel exhaust needle.

Background

Human serum albumin is a kind of blood product, commonly called "life product". It is extracted from blood of healthy people, and is injected into patient's body via intravenous injection, and has the main function of strengthening immunity and resistance. The traditional Chinese medicine composition is mainly used for treating shock and cerebral edema caused by blood loss wounds, burns and the like, and treating severe diseases such as edema or ascites caused by liver cirrhosis and nephropathy, and patients with hypoproteinemia.

Clinically, the main modes of human serum albumin import are: the human serum albumin liquid medicine glass bottle is hung on a transfusion support, a transfusion tube is inserted at the bottle mouth of the glass bottle and is used for inputting human serum albumin into a human body, and because the glass bottle is sealed and packaged, an exhaust needle needs to be inserted in the input process, air is introduced into the glass bottle, and the air pressure in the bottle is adjusted, so that the input operation can be smoothly carried out. However, in the process of infusing human serum albumin, the following problems exist: because albumin liquid medicine molecular weight is higher, tension is bigger, the needle point of current exhaust needle is in human blood albumin liquid level all the time at the input process, and in the input process, the gas that gets into can produce many bubbles when passing through albumin liquid medicine, and the bubble not only influences the condition in medical personnel's observation glass bottle, still can lead to importing human blood albumin and transfuse, and then causes certain waste. Since human serum albumin is expensive and waste will increase the economic burden and reduce the satisfaction of the patient, the problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a novel exhaust needle, this kind of novel exhaust needle is effectual avoids producing the bubble in the input human serum albumin in-process glass bottle, influences the condition in the medical personnel observation glass bottle and causes the waste of medicine.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a novel exhaust needle comprising:

the needle guide is a cylindrical hollow needle, the top of the needle guide is a needle point, the bottom of the needle guide is provided with an opening, and the side wall of the needle guide is provided with an air hole communicated with the inner cavity of the needle guide;

the needle base is a columnar T-shaped round table and comprises an inserting end and a fixed end, the inserting end can be inserted into the opening of the guide needle, the needle base is provided with a channel along the axial direction, and the channel enables the inner cavity of the guide needle to be communicated with the outside; and

the air pipe is arranged on the inner wall of the guide needle and penetrates out of the channel, the air pipe is in sealing fit with the channel and can slide in the channel, the air pipe is communicated with the air hole, and the air pipe can be bent under stress.

Furthermore, a sealing gasket is arranged on the contact surface of the needle seat and the air pipe.

Further, the diameter of the outer side wall of the inserting end far away from the fixed end is gradually reduced.

Furthermore, the needle seat is provided with a limiting step far away from the end of the needle.

Furthermore, the edge of the limiting step close to the needle seat is provided with a chamfer.

The novel exhaust needle at least comprises the following advantages:

the novel exhaust needle comprises a guide needle, a needle seat and an air pipe. The guide needle is positioned at the front end, the needle point is convenient to insert into the glass bottle, and the guide needle guides the insertion of the whole exhaust needle. The needle stand is used for propelling the guide needle and is clamped at the bottle cap of the glass bottle, and meanwhile, the whole exhaust needle can be conveniently taken out after the input is completed. The trachea leads external gas into the cavity of the glass bottle through the air hole, thereby effectively avoiding bubbles generated in the glass bottle in the process of inputting human serum albumin, influencing the observation of medical personnel on the condition in the glass bottle and causing the waste of medicines. The trachea can bend under stress. The air pipe can be bent into an arc shape for storage in the storage process, so that the storage space is reduced.

Drawings

FIG. 1 is a schematic view of the novel exhaust needle of the present embodiment;

FIG. 2 is a schematic view of the novel venting needle of this embodiment inserted into a glass vial;

reference numerals: 10-novel exhaust needle, 1-glass bottle, 100-guide needle, 110-needle point, 120-opening, 130-inner cavity, 140-air hole, 200-needle seat, 210-insertion end, 220-fixed end, 230-channel, 240-sealing gasket, 300-air pipe, 400-limit step and 410-chamfer.

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.

Referring to fig. 1 and 2, a novel exhaust needle 10 includes a needle 100, a needle holder 200 and an air tube 300. Specifically, the needle 100 is a cylindrical hollow needle. The top of the needle 100 is a needle tip 110, and the bottom of the needle 100 is opened with an opening 120. The side wall of the needle 100 is provided with an air hole 140 communicating with the lumen 130 of the needle 100. The needle stand 200 is a columnar T-shaped round table. Hub 200 includes a plug end 210 and a fixing end 220, the plug end 210 can be plugged into the opening 120 of the needle 100, and the hub 200 defines a channel 230 along the axial direction. The passage 230 communicates the lumen 130 of the needle 100 with the outside. The air tube 300 is disposed on the inner wall of the introducer needle 100 and exits through the passage 230. The air tube 300 is in sealing fit with the channel 230, the air tube 300 slides in the channel 230, the air tube 300 is communicated with the air hole 140, and the air tube 300 can be bent under the stress.

When the glass bottle is used, the glass bottle 1 is inverted, the needle point 110 part of the guide needle 100 is inserted into the bottle cap of the glass bottle 1, the needle seat 200 is pushed, the guide needle 100 part completely enters the glass bottle 1, the needle seat 200 is clamped on the bottle cap of the glass bottle 1, and the needle seat 200 is stopped being pushed. Then, the air tube 300 is held by fingers and the air tube 300 is pushed, the air tube 300 pushes the guide pin 100 to advance in the glass bottle 1 until the air hole 140 on the guide pin 100 exceeds the liquid level in the glass bottle 1, and the air tube 300 is stopped being pushed. The glass bottle 1 is hung upside down on a transfusion stand, and human serum albumin is input. After the human serum albumin is input, the air tube 300 is pulled outwards until the guide needle 100 retreats to the needle seat 200, and the insertion end 210 of the needle seat 200 is inserted into the guide needle 100, so that the needle seat 200 and the guide needle 100 can be pulled out together. After pulling out the disinfection, can place whole exhaust needle and accomodate to use next time, in this embodiment, trachea 300 atress ability is crooked. The air tube 300 can be curved into an arc shape for storage in the storage process, so that the storage space can be reduced.

In this embodiment, a gasket 240 is provided on the contact surface between the needle holder 200 and the air tube 300. The sealing gasket 240 can further prevent the human serum albumin in the glass bottle 1 from leaking. The diameter of the outer sidewall of the mating end 210 away from the fixed end 220 is gradually reduced. The tapered diameter facilitates insertion of the insertion end 210 into the opening 120 of the introducer needle 100.

In this embodiment, the needle holder 200 is provided with a stop step 400 at the end away from the needle 100. When the whole exhaust needle is inserted, the limiting step 400 can prevent the whole exhaust needle from being pushed into the glass bottle 1, so that the whole exhaust needle cannot be taken out; when the needle holder is used, the limiting step 400 is held by hand to push in and pull out, so that the needle holder 200 can be prevented from being polluted. The stop step 400 is provided with a chamfer 410 adjacent the needle hub 200. The finger can be conveniently held. In the process of pushing in and pulling out the exhaust needle, the exhaust needle can be conveniently pushed in and pulled out only by holding the chamfer 410 of the limiting step 400.

The specific use method of the novel exhaust needle 10 comprises the following steps:

the glass bottle 1 is inverted, the chamfer 410 of the limiting step 400 on the needle seat 200 is held by hand, the needle point 110 of the guide needle 100 is partially inserted into the bottle cap of the glass bottle 1, the limiting step 400 is pushed, the guide needle 100 completely enters the glass bottle 1, the needle seat 200 is clamped on the bottle cap of the glass bottle 1 until the end face of the limiting step 400 abuts against the end face of the bottle cap, and the pushing is stopped. Then, the air tube 300 is held by fingers and the air tube 300 is pushed, the air tube 300 pushes the guide pin 100 to advance in the glass bottle 1 until the air hole 140 on the guide pin 100 exceeds the liquid level in the glass bottle 1, and the air tube 300 is stopped being pushed. The glass bottle 1 is hung upside down on a transfusion stand, and human serum albumin is input. After the human serum albumin is input, the air tube 300 is pulled outwards until the needle 100 retreats to the needle holder 200, and the insertion end 210 of the needle holder 200 is inserted into the needle holder 200, so that the needle holder 200 and the needle 100 can be pulled out together.

The novel exhaust needle 10 comprises a guide needle 100, a needle seat 200 and an air tube 300, wherein the guide needle 100 is positioned at the front end, the needle point 110 is convenient to insert, and the guide needle 100 guides the whole exhaust needle to insert. The needle stand 200 is clamped on the bottle cap of the glass bottle 1, so that the whole exhaust needle can be conveniently taken out after the input is finished. The sealing gasket 240 can further prevent the human serum albumin in the glass bottle 1 from leaking. The diameter of the outer side wall of the insertion end 210 far away from the fixed end 220 is gradually reduced, so that the insertion end 210 can be inserted into the opening 120 of the guide needle 100, the limiting step 400 can prevent the needle seat 200 of the whole exhaust needle from being pushed into the glass bottle 1, and the limiting step 400 is provided with a chamfer 410 close to the needle seat 200. The finger can be conveniently held. The outside air enters the cavity of the glass bottle 1 through the air pipe 300 and the air hole 140 in sequence, so that the phenomenon that medical staff observes the condition in the glass bottle 1 and wastes medicines caused by bubbles generated in the glass bottle 1 due to albumin liquid medicine when the human serum albumin is input can be effectively avoided, and the air pipe 300 can be bent under stress. In the storage process, the air pipe 300 is bent into an arc shape for storage, so that the storage space can be reduced.

Finally, it should be noted that: the basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel exhaust needle, comprising:

2. The novel exhaust needle as claimed in claim 1, wherein a sealing gasket is arranged on the contact surface of the needle seat and the air pipe.

3. The novel exhaust needle as claimed in claim 1, wherein the diameter of the outer sidewall of the insertion end away from the fixed end is gradually reduced.

4. The novel exhaust needle as claimed in claim 1, wherein the needle seat is provided with a limit step at the end away from the needle.

5. The novel exhaust needle as claimed in claim 4, wherein the edge of the limit step close to the needle seat is provided with a chamfer.