CN219127674U

CN219127674U - Portable anti-infection needleless connector

Info

Publication number: CN219127674U
Application number: CN202221287680.6U
Authority: CN
Inventors: 黄淑琼
Original assignee: First Affiliated Hospital of Xiamen University
Current assignee: First Affiliated Hospital of Xiamen University
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-06-06
Anticipated expiration: 2032-05-26

Abstract

The utility model provides a portable anti-infection needleless connector, which comprises: the trip assembly includes: the locking device comprises a tripping device, a locking sleeve and a locking clamp spring, wherein the tripping device is nested with the locking clamp spring, and the locking clamp spring is embedded in the locking sleeve; the tripping assembly is arranged at the outer ends of the upper shell and the lower shell, a sandy cap is arranged in the upper shell, the sandy cap is arranged on a hollow round upper bottom plate, and the upper bottom plate is matched and fixed with the lower end part of the upper shell; the puncture catheter penetrates through the upper bottom plate, the puncture catheter is inserted into the hollow base arranged on the lower bottom plate, the lower bottom plate is fixed at the bottom of the upper shell, and a spring is arranged between the upper bottom plate and the lower bottom plate. The upper shell and the lower shell are fixedly connected. The infusion apparatus catheter connected with the tightening clamp springs at the two ends is fixed, so that the tightness of an infusion system is ensured, the puncture catheter is not exposed on the surface by utilizing the scalability of the sandy cap, the pollution risk is reduced, and the safety of the intravenous injection process is improved.

Description

Portable anti-infection needleless connector

Technical Field

The utility model relates to a portable anti-infection needleless connector, which is applied to the field of medical intravenous injection.

Background

The current clinical situation is that: intravenous injection is a very common operation in clinic, and at present, intravenous injection to a patient needs to separate an infusion set, and frequent separation of the infusion set causes impaired tightness of an infusion system and easy pollution of an infusion receiving joint.

Disclosure of Invention

The utility model provides a portable anti-infection needleless connector which can effectively solve the problems.

The utility model is realized in the following way:

a portable anti-infective needleless connector, comprising:

the device comprises a tripping assembly, an upper shell, a sandy cap, a puncture catheter, an upper bottom plate, a spring, a hollow base, a lower bottom plate and a lower shell;

the trip assembly includes: the locking device comprises a tripping device, a locking sleeve and a locking clamp spring, wherein the tripping device is nested with the locking clamp spring, and the locking clamp spring is embedded in the locking sleeve; the tripping assembly is arranged at the outer ends of the upper shell and the lower shell, a sandy cap is arranged in the upper shell, the sandy cap is arranged on a hollow round upper bottom plate, and the upper bottom plate is matched and fixed with the lower end part of the upper shell; the puncture catheter penetrates through the upper bottom plate, the puncture catheter is inserted into the hollow base arranged on the lower bottom plate, the lower bottom plate is fixed to the bottom of the upper shell, and a spring is arranged between the upper bottom plate and the lower bottom plate. The upper shell and the lower shell are fixedly connected.

As a further improvement, four equidistant array grooves are formed in the bottom of the upper shell along the central axis, four array protrusions are arranged on the periphery of the upper bottom plate along the central axis, and the protrusions are matched and fixed with the grooves.

As a further improvement, a buckle is arranged at the bottom of the upper shell and is connected with a clamping groove on the lower shell.

As a further improvement, the puncture catheter is provided with a side hole.

As a further improvement, the number of the puncture catheter side holes is plural.

As a further improvement, the portable anti-infection needleless connector is used for being connected with a syringe infusion tube in a pluggable mode.

The beneficial effects of the utility model are as follows: a needleless connector is connected between the injector and the infusion tube for intravenous injection. The possibility of pollution caused by separating the infusion set is avoided, the tightness of the pipeline system is ensured, the occurrence of liquid medicine pollution and blood flow infection is avoided, the infusion set catheter connected with the needle-free connector can be fixed through the tightening clamp springs at the two ends, the tightness of the infusion system is ensured, the puncture catheter is not exposed on the surface by utilizing the scalability of the sandy cap, the pollution risk is reduced, and the safety of the intravenous injection process is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a needleless connector connection provided by an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a needleless connector provided in an embodiment of the present utility model.

Fig. 3 is a schematic view of a needleless connector according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a puncture catheter according to an embodiment of the present utility model.

Fig. 5 is a cross-sectional view of an upper housing provided by an embodiment of the present utility model.

Wherein:

1. tripping 11, tightening sleeve 12, tightening clamp spring 2 and upper shell

21. Clasp 22, groove 3, sandy cap 4, puncture catheter

41. Side holes 5, upper bottom plate 51, protrusions 6, springs

7. Hollow base 8, lower bottom plate 9, lower shell 91, clamping groove

10. Needleless connector 101, scalp needle 102, filter 103, needle head

104. Infusion tube 105, ink non-drip tube

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, an infusion set comprising a portable anti-infective needleless connector, comprising: the scalp needle 101, the end of the needle head is inserted into the needle handle, a fan-shaped plastic side plate is arranged at the needle handle for fixing on the hand to prevent the needle head from falling off, and the needle handle is connected with the infusion tube 104. The infusion tube 104 is connected to the filter 102.

The filter 102 is a hollow cylinder, and a filtering membrane is arranged in the filter 102, and the filter 102 is used for filtering fine particles in the liquid medicine, and if the fine particles enter a human body, infusion reaction can be caused. The filter 102 is connected with the infusion tube 104, the infusion tube 104 is provided with a branch structure, the main infusion tube of the infusion tube 104 is connected with the ink non-dropper 105, the branch infusion tube is connected with the needleless connector 10, the needleless connector 10 is connected with the injector 106, the needleless connector 10 and the injector 106 are used as replacement components, and the infusion tube is convenient to use and simple in structure.

The needleless connector 10 comprises a tripping component, an upper shell 2, a sandy cap 3, a puncture catheter 4, an upper bottom plate 5, a spring 6, a hollow base 7, a lower bottom plate 8 and a lower shell 9;

the trip assembly includes: the locking device comprises a release 1, a locking sleeve 11 and a locking clamp spring 12, wherein the release 1 is nested in the locking clamp spring 12, and the locking clamp spring 12 is embedded in the locking sleeve 11; pressing the tripping device 1, inserting the infusion tube 105 into the needleless connector 10, loosening the tripping device 1, firmly locking the tripping device by the locking clamp spring 12, arranging the tripping assembly at the outer ends of the upper shell 2 and the lower shell 9, arranging the sandy cap 3 in the upper shell 2, wherein the upper end of the sandy cap 3 is a sealing ring, the middle part of the sandy cap is downward in a wedge-shaped structure, and the sandy cap 3 is made of plastic material and has certain toughness, and mainly used for wrapping the puncture catheter 4, so that the puncture catheter 4 is not exposed on the surface, the risk of infection is reduced, the sandy cap 3 is arranged on the hollow round upper bottom plate 5, and the upper bottom plate 5 is matched and fixed with the lower end part of the upper shell 2; the puncture catheter 4 penetrates through the upper base plate 5, a hollow base 7 arranged on the lower base plate 8 is inserted, the lower base plate 8 is fixed at the bottom of the upper shell 2, and a spring 6 is arranged between the upper base plate 5 and the lower base plate 8. The upper shell 2 and the lower shell 9 are fixedly connected.

The ink non-drip tube 105, the round drip tube, one end extends Shen Daoguan along the 45-degree dip angle of the central line, the catheter has the effect of first air exhaust, and the two ends of the catheter are connected with the infusion tube 104. The ink non-drip tube 105 is connected with a needle.

Referring to fig. 5, four equidistant array grooves 22 are formed in the bottom of the cavity of the upper housing 2 along the central axis, four array protrusions 51 are formed in the periphery of the upper base plate 5 along the central axis, the protrusions 51 are rectangular, and the protrusions are matched and fixed with the grooves 22 of the cavity to prevent the upper base plate 5 from loosening in the use process.

The bottom of the upper shell 2 is provided with an annular buckle 21, and the buckle 21 is connected with an annular clamping groove 91 on the lower shell 9. Since the components of the needleless connector 10 are to be mounted internally, a removable housing is to be used.

Referring to fig. 2-4, the catheter is provided with a side hole 41. The liquid is transported through the side holes 41. The number of the puncture catheter side holes 41 is 3. The holes provided at the side are provided to prevent the puncture catheter from piercing the infusion tube, but since the side holes 41 are provided to possibly cause a decrease in the flow rate of the liquid, 3 side holes 41 are provided.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A portable anti-infective needleless connector, comprising:

the device comprises a tripping assembly, an upper shell (2), a sandy cap (3), a puncture catheter (4), an upper bottom plate (5), a spring (6), a hollow base (7), a lower bottom plate (8) and a lower shell (9);

the trip assembly includes: the locking device comprises a tripping device (1), a locking sleeve (11) and a locking clamp spring (12), wherein the tripping device (1) is nested in the locking clamp spring (12), and the locking clamp spring (12) is embedded in the locking sleeve (11); the tripping assembly is arranged at the outer ends of the upper shell (2) and the lower shell (9), a sandy cap (3) is arranged in the upper shell (2), the sandy cap (3) is arranged on a hollow round upper bottom plate (5), and the upper bottom plate (5) is matched and fixed with the lower end part of the upper shell (2); puncture pipe (4) run through upper plate (5), insert set up in hollow base (7) of lower plate (8), lower plate (8) are fixed in the bottom of upper housing (2), set up spring (6) between upper plate (5) and lower plate (8), upper housing (2) and lower casing (9) are connected fixedly.

2. The portable anti-infection needleless connector as in claim 1, wherein four equidistant array grooves (22) are formed in the bottom of the upper housing (2) along the central axis, four array protrusions (51) are formed in the periphery of the upper base plate (5) along the central axis, and the protrusions (51) are fixedly matched with the grooves (22).

3. The portable anti-infection needleless connector as in claim 1, wherein the bottom of the upper housing (2) is provided with a buckle (21), the buckle (21) is connected with a clamping groove (91) on the lower housing (9).

4. A portable anti-infective needleless connector as in claim 1 in which the puncture catheter (4) is provided with a side hole (41).

5. The portable anti-infective needleless connector of claim 4, characterized in that the number of puncture catheter side holes (41) is plural.

6. The portable anti-infective needleless connector of claim 1, wherein the portable anti-infective needleless connector is configured for pluggable connection to a syringe infusion tube.