CN202682450U - Positive pressure joint capable of medicating without using needle - Google Patents

Abstract

The utility model discloses a positive pressure joint capable of medicating without using a needle, and the positive pressure joint comprises a hollow upper base, a sealing piece and a base. The spiral spring-shaped sealing piece is adopted, an arc-shaped hole is formed in the end surface of the sealing piece, can be effectively sealed when the medicating is not needed, and can be extruded by a medicating device to form a passage for medicating when the medicating is needed; the oval end surface and a circular hole formed in the opening part of the upper base can be effectively sealed; as being spiral spring-shaped, the elastic piece is good in elasticity and is comfortable in handfeeling when the medicating is carried out, and when the medicating device retracts, the positive pressure is formed due the elastic action, a liquid medicine retained in the needle is pushed into the blood vessel, so that the pipe sealing effect is achieved, further the backflow of blood is avoided effectively to avoid forming thrombus and blocking a catheter; 6:100 locking joints are arranged on the base to facilitate the sealing connection. According to the positive pressure joint, the production and the assembly are convenient, the positive pressure can be generated in the transfusion, the backflow of the blood can be prevented, and medical workers or other people can be prevented from being punctured.

Description

A kind of Needleless dosing positive pressure connector

Technical field

This utility model product relates to the medical apparatus and instruments articles for use, relates in particular to a kind ofly to produce malleation in transfusion, prevent blood backflow and avoid stabbing medical personnel or other people Needleless dosing positive pressure connector.

Background technology

In recent years, along with the extensive use of venous detaining needle, not only greatly reduce the misery that needs repeatedly venipuncture to cause in patient's long-term treatment, also alleviated nursing work load.But in clinical practice, run into again new problem, as indwelling tube by blood back stop up, heparin sodium tube sealing process is loaded down with trivial details and infection relevant with putting pipe etc.In addition, can not use the heparin sodium tube sealing for hemorrhage, coagulation disorders person, consequently repeated multiple times washing pipe, tube sealing, extruding etc. have not only increased nursing work load but also have increased the generation of patient's consumptive material expense and complication, have also increased phlebitic incidence rate and have reached The probability that nursing staff's accidental needle sticks is hindered.

In order to address the above problem, people have invented the Needleless seal transfusion system and have carried out venous transfusion, this system has easy to use, simple to operate, need not syringe needle and connect, avoid the advantage of the risk of pricking wound, simple and direct access is provided, both increased the workload that safety has also greatly reduced medical personnel, so the Needleless seal transfusion system widelys popularize clinically.

But in existing Needleless seal transfusion system, when rear the finishing when pulling out lower contact of having infused, because the effect of negative pressure can make blood backflow in remaining needle, immobilising blood solidifies the formation thrombosis easily, causes the obstruction of inlying catheter, and next transfusion can't be carried out.

Just can effectively prevent the inlying catheter clogging so in existing Needleless seal transfusion system, increase positive-pressure function.

Summary of the invention

The purpose of this utility model provides a kind of Needleless dosing positive pressure connector device, avoids stabbing medical personnel or other people, and can effectively prevent blood backflow in remaining needle, avoids forming thrombosis, obstruction conduit.

The purpose of this utility model is achieved as follows: it comprises: seat of honour part, sealing member part and base portion.It is characterized in that seat of honour part oral area is provided with locking screw thread and is convenient to be connected with not being with needle adapter; Seat of honour lateral surface is provided with six on-slip ribs, increases the comfortable feel degree.The sealing member end face be designed to ellipse, its can with the circular hole effective sealing of seat of honour oral area; Be provided with a long arc shape hole in the middle of the oval end face of sealing member, it is closed that this hole can effective sealing when not dosing, and the extruding by chemicals dosing plant when dosing forms path and carries out dosing; Seal designs has coil spring shape, good springiness and the comfortable feel degree when increasing dosing, and when withdrawing from chemicals dosing plant, under the elastic force effect, form malleation, the liquid medicine in the remaining needle is pushed blood vessel, reach the effect of tube sealing, thereby effectively avoid blood backflow, form thrombosis, obstruction conduit.Be designed with on the base that the 6:100 locked joints is convenient to effectively and remaining needle is tightly connected.

Adopt above-mentioned technical solution, need not use the chemicals dosing plant with syringe needle, avoided stabbing medical worker or other people, reduced cross infection and pollution; When withdrawing from chemicals dosing plant, form malleation, thereby effectively avoid blood backflow, form thrombosis, obstruction conduit.

Below in conjunction with drawings and Examples this utility model product is further described.

Description of drawings

Fig. 1 is the Needleless dosing positive pressure connector Standard figure of this new structure;

Fig. 2 is the Needleless dosing positive pressure connector structure cutaway view of this new structure;

Fig. 3 is the seal configuration sketch map of this new structure;

Fig. 4 is the sealing member end face structure sketch map of this new structure.

The specific embodiment

As analyse and observe shown in Figure 1, a kind of Needleless dosing positive pressure connector, it comprises: sealing member 1, the seat of honour 2, base 3.It is characterized in that seat of honour part oral area is provided with lockedjoints 4, lockedjoints 4 outer walls are provided with locking screw thread and are convenient to be connected with not being with needle adapter; The on-slip rib 5 that seat of honour outer wall is provided with, on-slip rib 5 have six, increase the comfortable feel degree.Sealing member is provided with oval end face 10, its can with the circular hole effective sealing of seat of honour oral area; Be provided with arcuate sockets 9 in the middle of the oval end face 10 of sealing member, it is closed that this hole can effective sealing when not dosing, and the extruding by chemicals dosing plant when dosing forms path and carries out dosing; The sealing member tube wall is coilspring shape body 11, comfortable feel degree when good springiness and increase dosing, and when withdrawing from chemicals dosing plant, under the elastic force effect, form malleation, be designed with on the base that 6:100 lockedjoints 6 is convenient to effectively and remaining needle is tightly connected, sealing member 1 is hollow structure, and inside iscavity 7, increases the elasticity dynamics; Between the seat of honour 2 and the sealing member 1cavity structure 8 is arranged also, be convenient to assembling.

As analyse and observe shown in Figure 2ly, in the cutaway view 2, the seat of honour 2 is provided with lockedjoints 4, is convenient to be connected with not being with needle adapter; Analyse and observe the on-slip rib 5 that the seat of honour shown in Figure 2 outer wall is provided with, increase the comfortable feel degree; Be designed with on the base that 6:100 lockedjoints 6 is convenient to effectively and remaining needle is tightly connected; In the cutaway view 2, sealing member 1 is hollow structure, and inside iscavity 7, and tube wall is the coil spring shape body, increases the elasticity dynamics; Between the seat of honour 2 and the sealing member 1cavity structure 8 is arranged also, be convenient to assembling.

Shown in Fig. 3,4, be provided with arcuate sockets 9 in the middle of the oval end face of sealing member 10, it is closed that this hole can effective sealing when not dosing, and the extruding by chemicals dosing plant when dosing forms path and carries out dosing; Be the oval end face 10 of sealing member among Fig. 3, its can with the circular hole effective sealing of seat of honour oral area; As shown in Figure 3, the sealing member tube wall is coilspring shape body 11, comfortable feel degree when good springiness and increase dosing, and when withdrawing from chemicals dosing plant, under the elastic force effect, form malleation, the liquid medicine in the remaining needle is pushed blood vessel, reach the effect of tube sealing, thereby effectively avoid blood backflow, form thrombosis, obstruction conduit.

Claims (3)

1. Needleless dosing positive pressure connector device, it comprises: seat of honour part, sealing member part and base portion is characterized in that seat of honour oral area is provided with locking screw thread and is convenient to be connected with not being with needle adapter; Seat of honour lateral surface is provided with six on-slip ribs, the sealing member end face be designed to ellipse, with the circular hole effective sealing of seat of honour oral area; Be provided with a long arc shape hole in the middle of the oval end face of sealing member, it is closed that this hole can effective sealing when not dosing, and the extruding by chemicals dosing plant when dosing forms path and carries out dosing; Seal designs has coil spring shape, when withdrawing from chemicals dosing plant, forms malleation under the elastic force effect, and the liquid medicine in the remaining needle is pushed blood vessel, reaches the effect of tube sealing, is designed with locked joints on the base and remaining needle is tightly connected.

2. a kind of Needleless dosing positive pressure connector device as claimed in claim 1 is characterized in that locked joints is the 6:100 locked joints on the base.

3. a kind of Needleless dosing positive pressure connector device as claimed in claim 1 is characterized in that sealing member is hollow structure, and inside is cavity, and tube wall is the coil spring shape body, also has cavity structure to be convenient to assembling between the seat of honour and the sealing member.

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