CN216876373U

CN216876373U - Prevent blood gas needle of acupuncture

Info

Publication number: CN216876373U
Application number: CN202123237053.XU
Authority: CN
Inventors: 张彩芸; 黄微娜; 李星
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-05
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a puncture-proof blood gas needle, which comprises an injector, a connector and a needle head which are sequentially connected, wherein a protective sleeve is movably sleeved outside the injector, a first fixing part for fixing the protective sleeve is arranged on the injector, a second fixing part for fixing the protective sleeve is arranged on the connector, and when the protective sleeve is fixed on the first fixing part, the needle head is exposed outside the protective sleeve; when the protective sleeve is fixed on the second fixing part, the protective sleeve is separated from the injector and sleeved outside the needle head. The blood sampling safety is greatly improved by adopting the design of the protective sleeve, the medical personnel is effectively prevented from being accidentally injured by the needle head, the potential safety hazard is reduced, the working difficulty of the medical personnel is reduced, and the blood sampling safety sleeve is suitable for large-area popularization and use.

Description

Prevent blood gas needle of acupuncture

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a blood-gas needle capable of preventing acupuncture.

Background

The arterial blood gas analysis has important significance for clinically guiding various parameters of oxygen therapy adjusting mechanical ventilation and correcting acid-base and electrolyte imbalance and the like, the arterial blood sample collection method has important influence on the blood gas analysis result, and main influencing factors include whether the sampling process and the later-stage inspection are isolated from air, whether blood coagulation is carried out and the like. When the arterial blood is extracted, the blood-gas needle is required to be used for collecting, the needle head of the blood-gas needle is very sharp in the using process of the blood-gas needle, and medical care personnel can be accidentally injured by carelessness because the needle head is not provided with a good protection part after the blood is collected; in addition, in the process of taking off and discarding the syringe needle, the residual blood of blood gas needle can drip and splash to medical personnel on hand, causes medical personnel occupation to expose, influences medical personnel's safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blood-gas needle capable of preventing acupuncture, and solves the problem that medical workers are easily accidentally injured when blood is collected by the blood-gas needle in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a blood-gas needle capable of preventing acupuncture comprises an injector, a connector and a needle head which are sequentially connected, wherein a protective sleeve is movably sleeved outside the injector, a first fixing part for fixing the protective sleeve is arranged on the injector, a second fixing part for fixing the protective sleeve is arranged on the connector, and when the protective sleeve is fixed on the first fixing part, the needle head is exposed outside the protective sleeve; when the protective sleeve is fixed on the second fixing part, the protective sleeve is separated from the injector and sleeved outside the needle head.

When the technical scheme of the utility model is adopted to collect blood, the protective sleeve is fixed at the first fixing part of the syringe, the needle head is exposed, and medical personnel can normally draw blood by adopting the blood-gas needle; when blood was gathered, medical personnel's portable protective sheath made the protective sheath move towards the one end of syringe needle, and the protective sheath breaks away from the syringe, then fixes the second fixed part on the connector with the protective sheath, and the protective sheath cover is outside at the syringe needle this moment, prevents that medical personnel from being hindered by the syringe needle mistake.

As an optional mode of the above technical scheme, the inner wall of the protective sheath is provided with a first internal thread, the first fixing portion is provided with a first external thread adapted to the first internal thread, and the second fixing portion is provided with a second external thread adapted to the first internal thread.

As an optional mode of the technical scheme, one end of the connector, which is close to the injector, is provided with a handheld part, and the second external thread is arranged at one end of the connector, which is close to the needle head.

As an optional mode of the technical scheme, the connector and the needle head are of an integrated structure.

As an optional manner of the above technical solution, the protective sleeve is made of a hard transparent material.

As an optional mode of the technical scheme, one end of the injector, which is close to the connector, is provided with an injection head, the connector is provided with a first sleeve head matched with the injection head, and the needle head is communicated with the interior of the injector through the first sleeve head and the injection head.

As an optional mode of the technical scheme, one end of the injector, which is close to the connector, is provided with a second sleeve head, and the second sleeve head is sleeved outside the first sleeve head.

As an optional mode of the above technical solution, the inner wall of the second sleeve head is provided with a second internal thread, and the outer wall of the first sleeve head is provided with a third external thread adapted to the second internal thread.

As an optional mode of the above technical solution, the connector is further provided with a third sleeve head, and the third sleeve head is sleeved outside the second sleeve head.

As an optional mode of the technical scheme, the injector comprises a needle cylinder, a push rod is arranged in the needle cylinder, and scale marks and first external threads are arranged on the surface of the needle cylinder.

The utility model has the beneficial effects that:

the utility model provides a blood-gas needle capable of preventing acupuncture, wherein when blood is collected, a protective sleeve is fixed on a first fixing part of an injector, a needle head is exposed, and medical personnel can normally draw blood by using the blood-gas needle; when blood was gathered, medical personnel's portable protective sheath made the protective sheath move towards the one end of syringe needle, and the protective sheath breaks away from the syringe, then fixes the second fixed part on the connector with the protective sheath, and the protective sheath cover is outside at the syringe needle this moment, prevents that medical personnel from being hindered by the syringe needle mistake. The blood sampling safety cap adopts the design of the protective sleeve, greatly improves the safety of blood sampling, effectively avoids the needle head from accidentally injuring medical personnel, reduces the potential safety hazard, reduces the working difficulty of the medical personnel, and is suitable for large-area popularization and use.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a state diagram of a use of an embodiment of the present invention;

fig. 3 is another use state diagram of an embodiment of the present invention.

In the figure: 1-a syringe; 2-a connector; 3-a needle head; 4-protective sleeve; 5-a first internal thread; 6-a first external thread; 7-second external thread; 8-a hand-held portion; 9-injection head; 10-a first cuff; 11-a second cuff; 12-third sleeve.

Detailed Description

Examples

The arterial blood gas analysis has important significance for clinically guiding various parameters of oxygen therapy adjusting mechanical ventilation and correcting acid-base and electrolyte imbalance and the like, the arterial blood sample collection method has important influence on the blood gas analysis result, and main influencing factors include whether the sampling process and the later-stage inspection are isolated from air, whether blood coagulation is carried out and the like. When the arterial blood is extracted, the blood-gas needle is required to be used for collecting, the needle head of the blood-gas needle is very sharp in the using process of the blood-gas needle, and medical care personnel can be accidentally injured by carelessness because the needle head is not provided with a good protection part after the blood is collected; in addition, take off the in-process of abandoning at the syringe needle, the remaining blood of blood gas needle can drip and spatter medical personnel on hand, causes medical personnel's occupation to expose, influences medical personnel's safety.

Based on the above problem, as shown in fig. 1-3, the present embodiment provides a blood gas needle for preventing acupuncture, which includes a syringe 1, a connector 2 and a needle 3 connected in sequence, wherein the syringe 1 is communicated with the needle 3 through the connector 2, so as to achieve a blood collection function. The injector 1 can be realized by adopting the existing injector and specifically comprises a needle cylinder, wherein a push rod is arranged in the needle cylinder, and scale marks are arranged on the surface of the needle cylinder.

The outer movable sleeve of syringe 1 is equipped with protective sheath 4, and protective sheath 4 generally adopts stereoplasm transparent material to make, and its thickness is thinner, can not influence the normal use of syringe 1. The syringe 1 is provided with a first fixing part for fixing the protective sleeve 4, the connector 2 is provided with a second fixing part for fixing the protective sleeve 4, and when the protective sleeve 4 is fixed on the first fixing part, the needle head 3 is exposed outside the protective sleeve 4; when the protective sheath 4 is fixed on the second fixing part, the protective sheath 4 is separated from the injector 1 and is sleeved outside the needle 3.

When blood is collected, the protective sleeve 4 is fixed on the first fixing part of the syringe 1, the needle head 3 is exposed, and medical personnel can use the blood-gas needle to draw blood normally; during blood collection, medical personnel can move protective sheath 4, makes protective sheath 4 remove towards the one end of syringe needle 3, and protective sheath 4 breaks away from syringe 1, then fixes protective sheath 4 at the second fixed part on connector 2, and protective sheath 4 cover is outside 3 syringe needles this moment, prevents that 3 accidental injuries medical personnel of syringe needle. The blood sampling safety is greatly improved by adopting the design of the protective sleeve 4, the medical staff is effectively prevented from being accidentally injured by the needle head 3, the potential safety hazard is reduced, the working difficulty of the medical staff is reduced, and the blood sampling safety cap is suitable for large-area popularization and use.

As shown in fig. 2 and 3, in particular, the inner wall of the protective sheath 4 is provided with a first internal thread 5, the first fixing portion is provided with a first external thread 6 adapted to the first internal thread 5, and the second fixing portion is provided with a second external thread 7 adapted to the first internal thread 5. The first external thread 6 is arranged at one end of the needle cylinder close to the push rod, and the outer diameter of the connector 2 is consistent with that of the needle cylinder. Initially, protective sheath 4's first internal thread 5 and syringe 1's first external screw thread 6 threaded connection, protective sheath 4 fixes on syringe 1, the blood is gathered and is accomplished the back, but medical personnel's rotating protective sheath 4, make protective sheath 4's first internal thread 5 and syringe 1's first external screw thread 6 separation, protective sheath 4 slides to 3 directions of syringe needle along syringe 1's outer wall, protective sheath 4 entangles the back with syringe needle 3, medical personnel can continue rotatory protective sheath 4, make protective sheath 4's first internal thread 5 and connector 2's second external screw thread 7 threaded connection, the fixed function to protective sheath 4 is realized.

In the embodiment, as shown in fig. 1, a handle 8 is provided at an end of the connector 2 near the syringe 1, and the second external thread 7 is provided at an end of the connector 2 near the needle 3. Preferably, the connector 2 and the needle 3 are of an integral structure. Handheld portion 8 is close to syringe 1, takes off the in-process of abandoning at syringe needle 3, and medical personnel can pinch handheld portion 8, then makes

connector

2 and 1 separation of syringe, and protective sheath 4 still fixes on connector 2 and overlaps outside syringe needle 3, and it can effectively avoid 3 accidental injuries medical personnel's of syringe needle problem.

Specifically, syringe 1 is close to the one end of connector 2 and is equipped with injection head 9, and injection head 9 communicates with syringe 1 is inside, connector 2 be equipped with the first pullover 10 of injection head 9 adaptation, first pullover 10 and syringe needle 3 intercommunication, syringe needle 3 is through the joint action of first pullover 10 and injection head 9 and syringe 1 inside intercommunication.

One end of the injector 1, which is close to the connector 2, is provided with a second sleeve head 11, and the second sleeve head 11 is sleeved outside the first sleeve head 10. Second cover head 11 cover is established in injection head 9 outsidely, and the clearance between second cover head 11 and the injection head 9 forms the first draw-in groove with first cover head 10 adaptation for the connector 2 is more stable with being connected of syringe 1.

Preferably, the inner wall of the second sleeve 11 is provided with a second internal thread, and the outer wall of the first sleeve 10 is provided with a third external thread matched with the second internal thread, so that the connection stability of the connector 2 and the injector 1 is further improved. The connector 2 is further provided with a third sleeve head 12, and the third sleeve head 12 is sleeved outside the second sleeve head 11. The third pullover 12 is established in first pullover 10 outsidely, and the second draw-in groove with 11 adaptations of second pullover is formed in the clearance between third pullover 12 and the first pullover 10, and connector 2 is good with syringe 1 installation stability, and connector 2 is torn open moreover and is got the convenience. Third pullover 12 overlaps first pullover 10 at inside, and second pullover 11 overlaps injection head 9 at inside, can avoid when connector 2 separates with syringe 1, and remaining blood drips spatters medical personnel on injection head 9 and the first pullover 10 and hands, causes medical personnel's occupation to expose, influences medical personnel's the problem of safety. The medical nursing bed is simple in structure, convenient and fast to operate, reduces potential safety hazards, reduces the working difficulty of medical workers, and increases the working efficiency and the economic benefit.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. Those skilled in the art will understand the specific meaning of the above terms in the present invention. Furthermore, the particular features, structures, etc. described in the examples can be included in at least one implementation and can be combined by one skilled in the art without conflicting therewith. The protection scope of the present invention is not limited to the above specific examples, and embodiments that can be imagined by those skilled in the art without creative efforts based on the basic technical concept of the present invention belong to the protection scope of the present invention.

Claims

1. The blood gas needle capable of preventing acupuncture comprises an injector (1), a connector (2) and a needle head (3) which are sequentially connected, and is characterized in that a protective sleeve (4) is movably sleeved outside the injector (1), a first fixing part for fixing the protective sleeve (4) is arranged on the injector (1), a second fixing part for fixing the protective sleeve (4) is arranged on the connector (2), and when the protective sleeve (4) is fixed on the first fixing part, the needle head (3) is exposed outside the protective sleeve (4); when the protective sleeve (4) is fixed on the second fixing part, the protective sleeve (4) is separated from the injector (1) and is sleeved outside the needle head (3).

2. A needle-stick prevention bloody needle according to claim 1, characterized in that the inner wall of the protective sheath (4) is provided with a first inner thread (5), the first fixing part is provided with a first outer thread (6) adapted to the first inner thread (5), and the second fixing part is provided with a second outer thread (7) adapted to the first inner thread (5).

3. A needle-stick prevention bloody needle according to claim 2, characterized in that the end of the connector (2) near the syringe (1) is provided with a hand-held part (8), and the second external thread (7) is arranged at the end of the connector (2) near the needle head (3).

4. A needle stick prevention bloody needle according to claim 1, characterized by the fact that the connector (2) and the needle head (3) are of an integrated structure.

5. A needle-stick prevention bloody needle according to claim 1, characterized by the fact that the protective sheath (4) is made of hard transparent material.

6. A needle-prick prevention blood gas needle according to claim 1, wherein an injection head (9) is arranged at one end of the injector (1) close to the connector (2), the connector (2) is provided with a first sleeve head (10) adapted to the injection head (9), and the needle head (3) is communicated with the inside of the injector (1) through the connection effect of the first sleeve head (10) and the injection head (9).

7. A blood gas needle for preventing acupuncture according to claim 6, characterized in that one end of the syringe (1) close to the connector (2) is provided with a second sleeve head (11), and the second sleeve head (11) is sleeved outside the first sleeve head (10).

8. A needle stick prevention bloody needle according to claim 7, characterized in that the inner wall of the second cuff (11) is provided with a second inner thread and the outer wall of the first cuff (10) is provided with a third outer thread adapted to the second inner thread.

9. A needle-prick prevention blood-gas needle according to claim 7, characterised in that the connector (2) is further provided with a third sleeve head (12), and the third sleeve head (12) is sleeved outside the second sleeve head (11).

10. The needle-prick prevention blood-gas needle according to claim 1, wherein the injector (1) comprises a needle cylinder, a push rod is arranged in the needle cylinder, and the surface of the needle cylinder is provided with scale marks and a first fixing part.