CN215779950U

CN215779950U - Disposable communicating needle

Info

Publication number: CN215779950U
Application number: CN202121804966.2U
Authority: CN
Inventors: 牛芳
Original assignee: Zhejiang Cancer Hospital
Current assignee: Zhejiang Cancer Hospital
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-11
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a disposable communicating needle head, which comprises a needle head end and an open tube end, wherein the needle head end is communicated with the open tube end through a connecting tube; can impale through needle head end and contain shu liquid bottle plug, and then insert and contain shu liquid bag in, contain shu liquid and enter into the connecting tube through the needle head end, and then flow to opening pipe end department and discharge, convenient operation sets up needle head end lag and open end lag simultaneously, can protect, avoid causing the pollution, when needs are tentatively suitable, can carry out the shutoff to the opening pipe end through block structure to avoid causing the pollution, can prevent the emergence of weeping simultaneously.

Description

Disposable communicating needle

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a disposable communicating needle.

Background

At present, in clinical work, part of patients need to be treated by using SHF-containing liquid (such as drugs added into 100ml or 250ml of 0.9% physiological saline or 5% sugar water, sodium bicarbonate gargle and the like), and in order to increase the effect, part of SHF-containing liquid needs to be stored in a refrigerator. Since these aqueous solutions are administered orally in divided doses, i.e., about 10ml to 20ml each time, the required amount is withdrawn each time; in clinic, the syringe is adopted to suck the liquid containing the shu, the operation is inconvenient, and the pollution is easy to cause, so that the disposable communicating needle is specially provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a disposable communicating needle that solves the problems set forth above in the background of the utility model.

In order to achieve the purpose, the utility model provides the following technical scheme: the disposable communicating needle comprises a needle end and an opening tube end, the needle end is communicated with the opening tube end through a connecting tube, a needle end protecting sleeve is detachably mounted on the needle end, an opening end protecting sleeve is detachably mounted on the opening tube end, and a blocking structure capable of blocking the opening tube end is arranged in the opening end protecting sleeve.

Preferably, the blocking structure comprises a blocking block capable of blocking the end of the open pipe, and the blocking block is fixedly connected to the inner surface of the open-end protecting sleeve.

Preferably, the connecting pipe is provided with an elastic extrusion bag, and the two sides of the elastic extrusion bag are provided with one-way valves at the ports connected with the connecting pipe.

Preferably, the outer side of the elastic extrusion bag is provided with a protective shell, an extrusion block capable of extruding the elastic extrusion bag penetrates through the side wall of the protective shell in a sliding manner, and scales are arranged on the extrusion block.

Preferably, the elastic extrusion bag is a transparent elastic extrusion bag, and an observation window capable of observing the elastic extrusion bag is arranged on the side wall of the protective shell.

Compared with the prior art, the utility model has the beneficial effects that: the disposable communicating needle head can pierce a bottle stopper containing shu liquid through the needle head end and then is inserted into a bag containing shu liquid, the shu liquid enters the connecting pipe through the needle head end and then flows to the open pipe end to be discharged, the operation is convenient, the needle head end protecting sleeve and the open end protecting sleeve are arranged at the same time, the protection can be carried out, the pollution is avoided, when the temporary application is required, the open pipe end can be blocked through the blocking structure, the pollution is avoided, and the leakage can be prevented;

the elastic extrusion bag can realize more convenient operation, so that the whole operation is convenient and fast;

when external acting force is applied to the extrusion block, the elastic extrusion bag in the protective shell can be elastically deformed, the scale can visually observe the size of the elastic deformation of the elastic extrusion bag, and then the volume of the contained fluid discharged at one time of pressing is known.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic structural view of a protective shell according to the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

fig. 4 is an enlarged schematic view of a portion B of fig. 1.

In the figure: 1-needle end, 2-ditching tube end, 3-connecting tube, 4-needle end protecting sleeve, 5-opening end protecting sleeve, 6-blocking block, 7-elastic extrusion bag, 8-one-way valve, 9-protecting shell, 10-extrusion block, 11-scale and 12-observation window.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: disposable intercommunication syringe needle, including syringe needle end 1 and open tube end 2, syringe needle end 1 is the bottle plug puncture ware of transfusion system, can pierce through syringe needle end 1 and contain shu liquid bottle plug, and then insert and contain shu liquid bag in, open tube end 2 is non-sharp ware end, through connecting pipe 3 intercommunication between syringe needle end 1 and the open tube end 2, contain shu liquid and enter into in the connecting pipe 3 through syringe needle end 1, and then flow open tube end 2 department and discharge, syringe needle end 1 demountable installation has syringe needle end lag 4, open tube end 2 demountable installation has open end lag 5, be equipped with the block structure that can shutoff open tube end 2 in the open end lag 5, block structure can carry out the shutoff to open tube end 2, when preventing to contain shu liquid from open tube end 2 outflow, can avoid causing the pollution.

Specifically, the blocking structure comprises a blocking block 6 capable of blocking the open pipe end 2, wherein the blocking block 6 is fixedly connected to the inner surface of the open end protection sleeve 5.

Specifically, an elastic squeezing bag 7 is arranged on the connecting pipe 3, one-way valves 8 are arranged at ports, connected with the connecting pipe 3, of two sides of the elastic squeezing bag 7, the elastic squeezing bag 7 can be elastically deformed under the action of external force, the one-way valves 8 can limit the flow of the fluid containing shu in the elastic squeezing bag 7 only from the needle head end 1 to the direction of the open pipe end 2, when the elastic squeezing bag 7 is deformed, the pressure in the elastic squeezing bag 7 is increased, the fluid containing shu in the elastic squeezing bag 7 can be discharged towards the direction of the open end 2, when the external acting force applied to the elastic squeezing bag 7 is removed, the elastic squeezing bag 7 can restore to the initial state, and at the moment, negative pressure is generated in the elastic squeezing bag 7, the fluid containing shu can be sucked from the needle head end 1 to wait for the next operation.

Particularly, the outside of elastic extrusion bag 7 is equipped with protecting crust 9, it has the extrusion piece 10 that can extrude elastic extrusion bag 7 to slide to run through on the lateral wall of protecting crust 9, be equipped with scale 11 on the extrusion piece 10, when applying external acting force to extrusion piece 10, can make elastic extrusion bag 7 in the protecting crust 9 take place elastic deformation, scale 11 can the audio-visual size that elastic extrusion bag 7 takes place elastic deformation of observing.

Specifically, the elastic squeezing bag 7 is a transparent elastic squeezing bag, and an observation window 12 capable of observing the elastic squeezing bag 7 is arranged on the side wall of the protection shell 9, so that the elastic squeezing bag 7 in the protection shell 9 can be visually observed through the observation window 12.

The working principle is as follows: in the utility model, when the device is applied, the needle head end 1 is inserted into the shu-containing liquid bag from the shu-containing liquid bottle plug, the shu-containing liquid enters the connecting pipe 3 through the needle head end 1, then flows to the opening tube end 2 for discharging, the elastic pressing bag 7 can be elastically deformed under the action of external force, the single valve 8 can limit the fluid contained in the elastic pressing bag 7 to only flow from the needle end 1 to the opening tube end 2, when the elastic pressing bag 7 is deformed, the pressure in the elastic extrusion bag 7 is increased, the contained liquid in the elastic extrusion bag can be discharged towards the opening end 2, when the external acting force applied to the elastic pressing bag 7 is removed, the elastic pressing bag 7 can restore to the initial state, negative pressure is generated in the elastic pressing bag 7 at the moment, the shu-containing liquid can be sucked from the needle head end 1, the next operation is waited, and the medicine in the shu-containing liquid bag can be extruded from the opening tube end 2 through the operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Disposable intercommunication syringe needle, its characterized in that: including needle head end (1) and opening pipe end (2), communicate through connecting pipe (3) between needle head end (1) and opening pipe end (2), needle head end (1) demountable installation has needle head end lag (4), opening pipe end (2) demountable installation has open end lag (5), be equipped with the block structure that can shutoff opening pipe end (2) in open end lag (5).

2. The single use communication needle of claim 1, wherein: the blocking structure comprises a blocking block (6) capable of blocking the end (2) of the opening pipe, and the blocking block (6) is fixedly connected to the inner surface of the opening end protecting sleeve (5).

3. The single use communication needle of claim 1, wherein: the connecting pipe (3) is provided with an elastic extrusion bag (7), and the two sides of the elastic extrusion bag (7) are provided with one-way valves (8) at the ports connected with the connecting pipe (3).

4. The single use communication needle of claim 3, wherein: the outer side of the elastic extrusion bag (7) is provided with a protective shell (9), the side wall of the protective shell (9) is provided with an extrusion block (10) which can extrude the elastic extrusion bag (7) in a sliding and penetrating manner, and the extrusion block (10) is provided with scales (11).

5. The single use communication needle of claim 4, wherein: the elastic extrusion bag (7) is a transparent elastic extrusion bag, and an observation window (12) capable of observing the elastic extrusion bag (7) is arranged on the side wall of the protective shell (9).