CN216777664U

CN216777664U - Safety helmet for venipuncture needle

Info

Publication number: CN216777664U
Application number: CN202123153907.6U
Authority: CN
Inventors: 田慧; 李鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model belongs to the field of puncture needle caps, in particular to a safety cap of a vein puncture needle, which aims at solving the problems that the prior vein infusion apparatus, the disposable vein infusion needle and the disposable vein blood taking needle are provided with the safety cap before being used, the safety cap can be discarded when clinical operation is carried out, the needle head is exposed after the use, workers are easy to be stabbed and the operation risk is large, and the utility model provides the following scheme, which comprises a vein tube, wherein the outer side of the vein tube is slidably sleeved with a safety cap body, the top of the mounting cap body is provided with a notch, the inner part of the vein tube is fixedly provided with a connector in a sealing way, compared with the vein puncture needle safety cap with the production specification, the needle head in the initial state is in a sealing environment and cannot be polluted, the safety cap body cannot be separated from the vein tube in the using process, and the used needle head can be accommodated in the safety cap body, the puncture condition can not occur, and the safety factor is high.

Description

Safety helmet for venipuncture needle

Technical Field

The utility model relates to the technical field of puncture needle caps, in particular to a safety cap of a venipuncture needle.

Background

Venipuncture is an aseptic operation method, a venipuncture needle is punctured into a superficial vein and is used for venous transfusion or blood drawing test in clinic to achieve the purpose of treating diseases.

In clinical practice at present, a safety cap is only arranged before a venous transfusion device, a disposable venous transfusion needle and a disposable venous blood taking needle are used, the safety cap can be discarded when clinical operation is carried out, after the use is finished, the needle head is exposed, workers are easy to stab, and the operation risk is high.

Disclosure of Invention

The utility model aims to solve the defects that a safety cap is arranged before the venous transfusion device, a disposable venous transfusion needle and a disposable venous blood taking needle exist in the prior art, the safety cap is discarded during clinical operation, and after the venous puncture needle is used, a needle head is exposed, workers are easy to stab, and the operation risk is high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

vein puncture needle safety helmet, including the venous canal, the outside slip cover of venous canal is equipped with the safety helmet body, the opening has been seted up at the top of installation cap body, the inside seal fixed mounting of venous canal has the connector, and the left end of connector extends to the left end of venous canal, the left end seal fixed mounting of connector has the syringe needle, syringe needle and connector all are located the inside of safety helmet body, and the inside of syringe needle and venous canal all is linked together with the inside seal of connector.

Preferably, in order to facilitate the positioning of the penetrating position of the needle head, a sliding ring is fixedly mounted on the outer side of the connector, a sealing ring is fixedly mounted on the outer side of the sliding ring, and the outer side of the sealing ring is connected with the inner wall of the helmet body in a sealing and sliding manner.

Preferably, in order to promote the regional sealing performance in syringe needle place, the sealed bonding in top of safety helmet body has the seal membrane, the top fixed mounting of sealing washer has sealing baffle, and sealing baffle's front side inner wall and the sealed sliding connection of rear side inner wall of front side and the respective opening of rear side, sealing baffle's top and the sealed laminating in bottom of seal membrane.

Preferably, for the convenience of operating, the top fixed mounting of connector has the needle handle, and the needle handle is trapezoidal setting, the top of needle handle runs through the opening and extends to the top of safety helmet body, the needle handle is located sealing baffle's right side.

Preferably, in order to facilitate the needle head to penetrate out, a penetrating hole is formed in the inner wall of the left side of the safety helmet body, sealing soft rubber is fixedly installed in the penetrating hole in an inner sealing mode, the sealing soft rubber is arranged in a disc shape, and the sealing soft rubber and the needle head are arranged coaxially.

Preferably, for convenient observation, the safety helmet body is circular, and the material of safety helmet body is transparent plastic.

The utility model has the beneficial effects that: the specifications of the safety cap body, the needle head, the venous tube, the sealing membrane, the sealing soft rubber and the needle handle can be selected according to actual use, the venous puncture needle is in an unused state in figure 2, when the safety cap is used, the venous tube is held by the right hand, the safety cap body is pushed to one side close to the venous tube by the left hand, and the sealing ring is in sealed sliding connection with the interior of the safety cap body, so that the needle head, the connector and the needle handle move leftwards relative to the safety cap body, the left end of the needle head can penetrate through the sealing soft rubber to move to the left end of the safety cap body, the sealing membrane can be cut open after the needle handle is contacted with the sealing membrane, the needle head can be used for puncture, compared with the safety cap of the venous puncture needle with the specification, the needle head in an initial state is in a sealed environment and cannot be polluted, the venous tube cannot be separated from the safety cap body in the using process, and the used needle head can be contained in the interior of the safety cap body, the puncture condition can not occur, and the safety factor is high;

in order to solve the problem that the sealing performance of the safety helmet body area where the needle is located is poor, the needle can be ensured to be in a sealed environment when not used through the arranged sealing ring, sealing film and sealing baffle plate, and the pollution condition can not occur;

in order to solve the problem that the position of being not convenient for to wearing out the syringe needle carries out the location, through sliding ring and the sealing washer that sets up in the outside of connector, the inside seal sliding connection relation of sealing washer and safety helmet body can be convenient for fix a position, maneuverability is strong to the position of wearing out of syringe needle.

Drawings

FIG. 1 is a perspective view of a portion of the structure of the intravenous puncture needle safety helmet in accordance with the present invention;

FIG. 2 is a schematic structural view of the intravenous puncture needle safety helmet in a front view, according to the present invention;

FIG. 3 is a side view of the slip ring structure of the intravenous puncture needle safety helmet provided by the utility model;

fig. 4 is an enlarged schematic view of a part a of the intravenous puncture needle safety cap in fig. 2.

In the figure: the safety helmet comprises a venous tube 1, a safety helmet body 2, a connector 3, a needle 4, a notch 5, a sealing film 6, a sliding ring 7, a sealing ring 8, a sealing baffle 9, a through hole 10, a sealing soft rubber 11 and a needle handle 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, a safety cap of a vein puncture needle comprises a vein tube 1, the specification of the vein tube 1 can be selected according to the actual use, a safety cap body 2 is slidably sleeved on the outer side of the vein tube 1, the safety cap body 2 is made of transparent plastic, a notch 5 is formed in the top of the mounting cap body 2, the notch 5 is in a strip shape, a connector 3 is fixedly mounted in the vein tube 1 in a sealing manner, the connector 3 is also in a cylindrical hollow configuration, the left end of the connector 3 extends to the left end of the vein tube 1, a needle head 4 is fixedly mounted in the left end of the connector 3 in a sealing manner, liquid in the vein tube 1 can enter the needle head 4 through the connector 3, the needle head 4 and the connector 3 are both located in the safety cap body 2, the needle head 4 and the vein tube 1 are both communicated with the connector 3 in a sealing manner, and the needle head 4 can be positioned in the penetrating position, the outside fixed mounting of connector 3 has sliding ring 7, and the outside fixed mounting of sliding ring 7 has sealing washer 8, the outside of sealing washer 8 and the sealed sliding connection of inner wall of safety helmet body 2, sealing washer 8 only can carry out the lateral sliding in the inside of safety helmet body 2, in order to promote the regional sealing performance in syringe needle 4 place, the sealed bonding in top of safety helmet body 2 has seal membrane 6, the material of seal membrane 6 can be selected for use according to reality, as long as can realize sealed can, the top fixed mounting of sealing washer 8 has sealing baffle 9, sealing baffle 9's material can be selected for use according to reality, and sealing baffle 9's front side and rear side respectively opening 5's front side inner wall and rear side inner wall sealed sliding connection, sealing baffle 9 only can carry out the lateral sliding, sealing baffle 9's top and the sealed laminating in bottom of seal membrane 6.

Example two

The following further improvements are made on the basis of the first embodiment:

in the utility model, in order to facilitate operation, a needle handle 12 is fixedly installed at the top of the connector 3, the needle handle 12 is in a trapezoidal arrangement, the needle handle 12 can be conveniently held by hands, the top of the needle handle 12 penetrates through the opening 5 and extends to the upper side of the safety helmet body 2, the needle handle 12 is not in contact with the side wall of the opening 5 and can slide left and right, the needle handle 12 is located on the right side of the sealing baffle plate 9, in order to facilitate the penetration of the needle head 4, a penetration hole 10 is formed in the inner wall of the left side of the safety helmet body 2, the penetration hole 10 is in a circular arrangement, a sealing soft rubber 11 is fixedly installed inside the penetration hole 10 in a sealing manner, the sealing soft rubber 11 is in a disc-shaped arrangement, the sealing soft rubber 11 plays a sealing role, the sealing soft rubber 11 and the needle head 4 are coaxially arranged, observation is facilitated, the safety helmet body 2 is in a circular arrangement, and the safety helmet body 2 is made of transparent plastic.

In the utility model, when in use, the intravenous tube 1 is held by the right hand, the safety helmet body 2 is operated by the left hand, the safety helmet body 2 is pushed to one side close to the intravenous tube 1 to move transversely, because the sealing ring 8 is connected with the inside of the safety helmet body 2 in a sealing and sliding way, the needle head 4, the connector 3 and the needle handle 12 move leftwards relative to the safety helmet body 2, the left end of the needle head 4 can move to the left end of the safety helmet body 2 through the sealing soft rubber 11, after 12 and the contact of seal membrane 6 of needle handle, can cut open seal membrane 6, reuse syringe needle 4 puncture can, than the vein pjncture needle safety helmet of producing the specification, syringe needle 4 under the initial condition is in sealed environment, can not be contaminated, can not break away from venous pipe 1 in the 2 use of safety helmet body yet, and syringe needle 4 after the use can be accomodate to the inside of safety helmet body 2, the situation that can not appear stabbing, and factor of safety is high.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Vein puncture needle safety helmet, including intravenous line (1), the outside slip cover of intravenous line (1) is equipped with safety helmet body (2), its characterized in that, opening (5) have been seted up at the top of safety helmet body (2), the inside seal fixed mounting of intravenous line (1) has connector (3), and the left end of connector (3) extends to the left end of intravenous line (1), the left end seal fixed mounting of connector (3) has syringe needle (4), syringe needle (4) and connector (3) all are located the inside of safety helmet body (2), and the inside of syringe needle (4) and intravenous line (1) all is linked together with the inside seal of connector (3).

2. A venipuncture needle safety helmet according to claim 1, characterized in that a sliding ring (7) is fixedly installed on the outer side of the connector (3), a sealing ring (8) is fixedly installed on the outer side of the sliding ring (7), and the outer side of the sealing ring (8) is in sealing sliding connection with the inner wall of the safety helmet body (2).

3. A venipuncture needle safety helmet according to claim 2, wherein a sealing membrane (6) is hermetically bonded on the top of the safety helmet body (2), a sealing baffle (9) is fixedly mounted on the top of the sealing ring (8), the front inner wall and the rear inner wall of the front side and the rear side of the sealing baffle (9) are respectively connected with the front inner wall and the rear inner wall of the notch (5) in a sealing and sliding manner, and the top of the sealing baffle (9) is hermetically attached to the bottom of the sealing membrane (6).

4. A safety helmet with a venipuncture needle according to claim 1, wherein a needle handle (12) is fixedly arranged at the top of the connector (3), the needle handle (12) is trapezoidal, the top of the needle handle (12) penetrates through the notch (5) and extends to the upper part of the safety helmet body (2), and the needle handle (12) is positioned at the right side of the sealing baffle (9).

5. A venipuncture needle safety helmet according to claim 1, characterized in that an exit hole (10) is opened on the left inner wall of the safety helmet body (2), a sealing soft rubber (11) is fixedly installed inside the exit hole (10) in a sealing manner, the sealing soft rubber (11) is arranged in a disc shape, and the sealing soft rubber (11) and the needle head (4) are coaxially arranged.

6. A venipuncture needle safety helmet according to claim 1, characterized in that the safety helmet body (2) is circular, and the material of the safety helmet body (2) is transparent plastic.