CN209771102U

CN209771102U - Novel two-way connecting assembly applied to communication of sterile instruments

Info

Publication number: CN209771102U
Application number: CN201821234926.7U
Authority: CN
Inventors: 鲁建强; 陈清; 李俊海
Original assignee: JIAXING TIANHE PHARMACEUTICAL Co Ltd
Current assignee: JIAXING TIANHE PHARMACEUTICAL Co Ltd
Priority date: 2018-08-02
Filing date: 2018-08-02
Publication date: 2019-12-13
Anticipated expiration: 2028-08-02

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a be applied to novel two-way coupling assembling of aseptic apparatus intercommunication. The utility model discloses, public interface includes fixed connection's shell and first infusion pipeline, has between first infusion pipeline and the shell and is connected the cavity, and female interface includes fixed connection's connecting portion and second infusion pipeline, has the infusion cavity in the connecting portion, and the infusion cavity is linked together with second infusion pipeline, still includes the heat-seal membrane, and connecting portion connect in connecting the cavity. The utility model discloses use the heat-seal membrane to be the part of sealing sterile system, the heat-seal membrane is in the same place through heating and public interface and female interface heat, and this kind of closed mode is when the product is stored, and it is higher to the aseptic guarantee degree of product system than the helmet, and the utility model discloses when intercommunication public interface and female interface, only need with public interface and female interface directly peg graft can, need not to open the heat-seal membrane earlier, whole process does not destroy confined sterile system, has reduced the risk that the product felt the fungus when clinical use.

Description

Novel two-way connecting assembly applied to communication of sterile instruments

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a be applied to novel two-way coupling assembling of aseptic apparatus intercommunication.

Background

Luer (Luer taper) is a standardized micro non-seepage connector, which is connected with a matched female Luer part through a male Luer, and is widely used in medical and laboratory instruments, the existing Luer has some insurmountable defects, as shown in figures 1-7, when the Luer is not used, the existing male connector is in screwed connection with the existing male connector protective cap for storage, the existing female connector is in screwed connection with the existing female connector protective cap for storage, when the Luer is used, the male connector protective cap and the female connector protective cap are detached, and then the male connector is screwed together with the female connector for use, so that the following defects are caused: 1. the parts have complex structures and high requirements on manufacturing processes, and the quality risk is correspondingly improved; 2. the protective cap is a component of a closed sterile system, the protective cap is screwed on the interface, and the cooperation mode is that the sterility guarantee degree of the protective cap on the product system is not high when the product is stored; 3. the cost of the protective cap is high, so that the cost of the two-way component is increased; 4. when two male and female interfaces are communicated, the protective cap needs to be screwed off at first, a closed sterile system is destroyed, and the risk of bacteria infection during clinical use of the product is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a novel two lead to coupling assembling who is applied to aseptic apparatus intercommunication is provided.

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

The utility model provides a be applied to novel two-way coupling assembling of aseptic apparatus intercommunication, includes public interface and female interface, public interface includes fixed connection's shell and first infusion pipeline, first infusion pipeline part is located the shell, and has between first infusion pipeline that is located the shell and be connected the cavity, female interface includes fixed connection's connecting portion and second infusion pipeline, the infusion cavity has in the connecting portion, the infusion cavity is linked together with second infusion pipeline, still includes the heat-seal membrane, the heat-seal membrane heat-seal is on shell and connecting portion, and can seal connection cavity and infusion cavity, connecting portion connect in connecting the cavity, shell and connecting portion sealing connection this moment, connecting portion and first infusion pipeline sealing connection, first infusion pipeline is linked together through infusion cavity and second infusion pipeline.

in the novel two-way connecting assembly applied to the communication of the sterile instrument, the first infusion pipeline is in interference fit with the connecting part, and the connecting part is in interference fit with the shell.

In the novel two-way connecting assembly applied to the communication of the sterile instrument, the cross-sectional area of the shell is gradually increased from one end far away from the second infusion pipeline to one end close to the second infusion pipeline.

In the novel two-way connecting assembly applied to the communication of the sterile instrument, the included angle alpha between the inner surface of the shell and the axial lead of the first infusion pipeline is 2-5 degrees.

in the novel two-way connecting assembly applied to the communication of the sterile instrument, a spine part protrudes from one end, away from the second infusion pipeline, of the connecting part, and a piercing inclined plane is arranged at the end part of the first infusion pipeline positioned in the shell.

In the novel two-way connecting assembly applied to the communication of the sterile instrument, the number of the spine parts is at least two, and the spine parts are circumferentially and uniformly distributed along the axial lead of the connecting part.

Compared with the prior art, the utility model has the advantages of:

1. The utility model discloses use the heat-seal membrane to be the part of closed sterile system, the heat-seal membrane is in the same place through heating and public interface and female interface heat, and this kind of closed mode is when the product is stored, and it is higher to the aseptic guarantee degree of product system than the helmet.

2. the utility model discloses when intercommunication public interface and female interface, only need with public interface and the direct grafting of female interface can, need not to open earlier the heat-seal membrane, whole process does not destroy confined sterile system, has reduced the risk that the product felt the fungus when clinical use.

3. The utility model has simple structure and low requirement for manufacturing process.

drawings

FIG. 1 is a schematic structural diagram of a conventional male interface;

FIG. 2 is a schematic structural view of a prior art male port cap;

FIG. 3 is a schematic structural view of a prior art female interface cap;

FIG. 4 is a schematic structural diagram of a conventional female interface;

FIG. 5 is a schematic view of a prior art male connector connected to a prior art male connector cap;

FIG. 6 is a schematic structural view of a conventional female connector connected to a conventional female connector cap;

FIG. 7 is a schematic structural diagram of a conventional male interface connected to a conventional female interface;

FIG. 8 is a cross-sectional view of a male port with a heat seal film;

FIG. 9 is a cross-sectional view of a female port with a heat seal film;

FIG. 10 is a schematic structural view of a male interface;

FIG. 11 is a schematic structural diagram of a female interface;

Fig. 12 is a schematic structural view of the present invention;

In the figure: the infusion set comprises a male connector 1, a female connector 2, a heat-sealing film 3, a shell 11, a first infusion pipeline 12, a connecting cavity 13, a puncture inclined plane 14, a connecting part 21, a second infusion pipeline 22, an infusion cavity 23, a sharp part 24, an existing male connector a, an existing male connector protective cap b, an existing female connector protective cap c and an existing female connector d.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

With reference to fig. 8-12, a novel two-way connection assembly applied to the communication of sterile instruments includes a male connector 1 and a female connector 2, and is characterized in that: the male connector 1 comprises a fixedly connected shell 11 and a first infusion pipeline 12, the first infusion pipeline 12 is partially located in the shell 11, a connecting cavity 13 is formed between the first infusion pipeline 12 located in the shell 11 and the shell 11, the female connector 2 comprises a connecting portion 21 and a second infusion pipeline 22 which are fixedly connected, an infusion cavity 23 is formed in the connecting portion 21, the infusion cavity 23 is communicated with the second infusion pipeline 22, the male connector further comprises a heat sealing film 3, the heat sealing film 3 is heat-sealed on the shell 11 and the connecting portion 21 and can be connected with the cavity 13 and the infusion cavity 23 in a sealing mode, the connecting portion 21 is connected in the connecting cavity 13, the shell 11 is connected with the connecting portion 21 in a sealing mode, the connecting portion 21 is connected with the first infusion pipeline 12 in a sealing mode, and the first infusion pipeline 12 is communicated with the second infusion pipeline 22 through the infusion cavity 23.

when the utility model is used, the connecting part 21 of the female connector 2 is inserted into the connecting cavity 13, during the insertion process, the heat-sealing film 3 is broken, and an aluminum foil can be used as the heat-sealing film 3, while the first infusion tube 12 is partially positioned in the connection part 21, and is communicated with the second transfusion pipeline 22 through the transfusion cavity 23, so when the utility model communicates the male connector 1 and the female connector 2, the male connector 1 and the female connector 2 are directly inserted without opening the heat sealing film 3, the whole process does not damage a closed sterile system, the risk of bacteria infection of the product in clinical use is reduced, when not in use, the male connector 1 and the female connector 2 both use the heat-sealing film 3 as a component of a closed sterile system, the heat-sealing film 3 is heated to be combined with the male connector and the female connector, the sealing mode has higher sterility guarantee degree to a product system compared with a protective cap when the product is stored.

Preferably, the first infusion tube 12 is in interference fit with the connecting part 21, and the connecting part 21 is in interference fit with the housing 11, so that a certain bonding strength is provided between the male connector 1 and the female connector 2, and the male connector and the female connector are prevented from being separated in a use process.

preferably, the cross-sectional area of the housing 11 becomes larger from the end away from the second infusion line 22 to the end close to the second infusion line 22, and the angle α between the inner surface of the housing 11 and the axial line of the first infusion line 12 is 2-5 degrees, so that the second infusion line 22 can be inserted into the housing 11 easily.

Referring to fig. 8 and 9, a sharp part 24 protrudes from the end of the connection part 21 away from the second infusion tube 22, and a piercing slope 14 is provided at the end of the first infusion tube 12 in the housing 11, so that the heat-sealing film 3 can be easily pierced by the sharp part 24 and the piercing slope 14 during the insertion of the connection part 21 into the connection cavity 13.

Preferably, at least two of the sharp pointed portions 24 are provided and are uniformly distributed along the axial line of the connecting portion 21 in the circumferential direction, which further facilitates the piercing process of the heat sealing film 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms male port 1, female port 2, heat-sealing film 3, housing 11, first infusion line 12, connection cavity 13, piercing ramp 14, connection portion 21, second infusion line 22, infusion cavity 23, spike 24, existing male port a, existing male port cap b, existing female port cap c, existing female port d, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a be applied to novel two logical coupling assembling of aseptic apparatus intercommunication, includes public interface (1) and female interface (2), its characterized in that: the male connector (1) comprises a fixedly connected shell (11) and a first infusion pipeline (12), the first infusion pipeline (12) is partially positioned in the shell (11), a connecting cavity (13) is formed between the first infusion pipeline (12) positioned in the shell (11) and the shell (11), the female connector (2) comprises a connecting part (21) and a second infusion pipeline (22) which are fixedly connected, an infusion cavity (23) is arranged in the connecting part (21), the infusion cavity (23) is communicated with the second infusion pipeline (22), the male connector further comprises a heat sealing film (3), the heat sealing film (3) is heat-sealed on the shell (11) and the connecting part (21) and can be hermetically connected with the cavity (13) and the infusion cavity (23), the connecting part (21) is connected in the connecting cavity (13), and at the moment, the shell (11) is hermetically connected with the connecting part (21), the connecting part (21) is connected with the first transfusion pipeline (12) in a sealing way, and the first transfusion pipeline (12) is communicated with the second transfusion pipeline (22) through a transfusion cavity (23).

2. The novel two-way connection assembly for sterile instrument communication of claim 1, wherein: the first infusion pipeline (12) is in interference fit with the connecting portion (21), and the connecting portion (21) is in interference fit with the shell (11).

3. The novel two-way connection assembly for sterile instrument communication of claim 1, wherein: the cross-sectional area of the shell (11) is gradually increased from one end far away from the second infusion pipeline (22) to one end close to the second infusion pipeline (22).

4. The novel two-way connection assembly for sterile instrument communication of claim 2, wherein: the included angle alpha between the inner surface of the shell (11) and the axial lead of the first infusion pipeline (12) is 2-5 degrees.

5. the novel two-way connection assembly for sterile instrument communication of claim 1, wherein: a spike part (24) protrudes from one end of the connecting part (21) far away from the second infusion pipeline (22), and a puncture inclined surface (14) is arranged at the end part of the first infusion pipeline (12) positioned in the shell (11).

6. The novel two-way connection assembly for sterile instrument communication of claim 5, wherein: the number of the spine parts (24) is at least two, and the spine parts are evenly distributed along the circumferential direction of the axis of the connecting part (21).