CN109045402A

CN109045402A - A set of closed needleless connects infusion device

Info

Publication number: CN109045402A
Application number: CN201811127189.5A
Authority: CN
Inventors: 叶宇翃; 智晓旭; 朱莺
Original assignee: Jiangsu Cancer Hospital
Current assignee: Jiangsu Cancer Hospital
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2018-12-21

Abstract

The present invention relates to a set of closed needleless to connect infusion device, including infusion bag, infusion apparatus and syringe, infusion bag includes bag body and liquid outlet, infusion bag connector is provided on liquid outlet, infusion bag connector includes male connection, outer tube, silicon ceasma separation membrane compression ring and inner sleeve, and inner sleeve, which is postponed, to be arranged on liquid outlet；Infusion apparatus is Dual-head infusion device, is provided with infusion apparatus joint on Dual-head infusion device, and infusion apparatus joint includes inserted sleeve and the female adapter that is used cooperatively with male connection, and female adapter is set on inserted sleeve；Syringe be include piston push rod, injecting cavity and syringe adapter, syringe adapter is the female adapter being used cooperatively with male connection.The closed needleless provided in above-mentioned technical proposal connects infusion device, and effectively solving the problems, such as chemotherapeutics, needle is stabbed and chemotherapeutic leaks outside from easily causing when the leakage of the puncture junction of infusion apparatus and infusion bag and end of chemotherapy processing sharp instrument.

Description

A set of closed needleless connects infusion device

Technical field

The present invention relates to infusion device technical fields, and in particular to a set of closed needleless connects infusion device.

Background technique

In clinical process, because puncture forms lacuna when infusion bag is inserted into the band adapter of precision infusion set, so that defeated During liquid, the phenomenon that chemotherapeutics leaks outside along gap, happens occasionally, not only can burn patients, family members and nurse mucous membrane And skin and clinical vein use the security risk of chemotherapeutics.Simultaneously in the processing of drug terminal, conventional belt needle infusion skin Item not only results in chemotherapeutics leakage, while needle-stick injury also easy to happen, is unfavorable for curing when carrying out sharp instrument separating treatment Business personnel and Environmental security.

The use rule of chemotherapeutics is first to be transfused with common solvent liquid, it is ensured that after the unimpeded no extravasation of liquid, then Instillation chemotherapeutics inputs common liq again to rinse the chemotherapeutics being adhered on vascular wall, combined chemotherapy after instillation When two kinds of chemotherapeutics between need to be rinsed with common liq, to prevent causing adverse reaction.Traditional infusion device needs nurse frequently more Liquid is changed, punctures repeatedly and not only increases unnecessary opportunities for contamination, and increase the work load of nursing staff, it is careless slightly It is also possible to causing nurse-patient conflict.There is relevant clinical studies have shown that, using disposable Dual-head infusion device, patient can be made in oncology Satisfaction and the working efficiency of nurse obtain dual raising, allowing nurse that can have the more time is that patient improves more good shield Reason service, worth clinic are widely popularized and use.

Although the Dual-head infusion device of above-mentioned offer reduces repeated puncture, but still do not evade chemotherapeutics and wear from needle-based It pierces at device puncture and overflows.Therefore it needs to design a kind of new technical solution, solves problems of the prior art with comprehensive.

Summary of the invention

The object of the present invention is to provide a set of closed needleless to connect infusion device, can effectively solve and exists in the prior art Chemotherapeutics from the leakage of the puncture junction of infusion apparatus and infusion bag, frequently replacement chemotherapeutics and conventional flush liquid bring The problem of easily causing needle to stab with chemotherapeutic leakage when opportunities for contamination and hard work amount and end of chemotherapy processing sharp instrument.

In order to solve the above technical problems, the invention adopts the following technical scheme:

A set of closed needleless connects infusion device, including infusion bag, infusion apparatus and syringe, the infusion bag include Bag body and liquid outlet, infusion bag connector is provided on the liquid outlet, and the infusion bag connector includes setting gradually from outside to inside Male connection, outer tube, silicon ceasma separation membrane compression ring and inner sleeve, the inner sleeve postpone is arranged in it is described go out liquid On mouth；The inner sleeve close to one end of liquid outlet be outside horizontal mellow and full obtuse head and horizontal mellow and full obtuse head lateral edge its Circumferentially it is provided with evenly distributed fluid hole；

The infusion apparatus is Dual-head infusion device, is provided with infusion apparatus joint, the infusion apparatus on the Dual-head infusion device Connector includes inserted sleeve and the female adapter that is used cooperatively with the male connection, and the female adapter is arranged On the inserted sleeve；

The syringe be include piston push rod, injecting cavity and syringe adapter, the syringe adapter be with it is described outer The female adapter that nipple is used cooperatively.

Further scheme is that the Dual-head infusion device is Y-shaped, is successively set on the main infusion tube of Y-shaped infusion apparatus It is equipped with is it possible that drip pot, flow regulator, filter and female adapter, it is described is it possible that drop pot is positioned close to Y-shaped infusion apparatus One end of branch's infusion tube；Only liquid valve is also respectively provided on branch's infusion tube of the infusion apparatus joint lower end.

Further scheme is that the syringe further includes syringe needle, and one end that the syringe needle connects with syringe is provided with The male connection being used cooperatively with the female adapter.

Further scheme is that the filter is 5 μm of the accurate filter with automatic ventilating function.

Further scheme is to be respectively arranged with protective case on the outside of the male connection and female adapter.

A set of closed needleless that above-mentioned technical proposal provides connects infusion device, and infusion bag, infusion apparatus and dosing are infused The case where interface of emitter is all provided with the thread connecting mode for being set to needleless puncture, can effectively prevent chemotherapeutics leakage, protection The safety of patient, family members and medical staff；And infusion apparatus is arranged to double end, avoids replacing repeatedly potential caused by liquid medicine Contact scar, flushing facilitate speed, improve nurse job efficiency, provide more good care；And in outer tube and inner sleeve Between setting silicon ceasma separation membrane compress ring so that infusion bag connector is at any time, microorganism is closed and mechanicalness air-tight state.

Detailed description of the invention

Fig. 1 is the connection schematic diagram of infusion bag of the present invention and infusion apparatus；

Fig. 2 is the structural schematic diagram of syringe of the present invention；

Fig. 3 is the connection schematic diagram of infusion bag of the present invention and syringe.

In figure: 1, infusion bag；2, outer tube；3, inner sleeve；4, silicon ceasma separation membrane compresses ring；5, male connection；6, Protective case；7, inserted sleeve；8, female adapter；9, stop liquid valve；10, infusion apparatus；11, is it possible that drop pot；12, flow velocity is adjusted Device；13, filter；14, piston push rod；15, injecting cavity；16, syringe needle.

Specific embodiment

In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out specifically with reference to embodiments It is bright.It should be appreciated that following text is only used to describe one or more of specific embodiments of the invention, not to the present invention The protection scope specifically requested carries out considered critical.

Embodiment 1

The technical solution that the present embodiment is taken is as shown in Figures 1 to 3, and a set of closed needleless connects infusion device, including defeated Liquid bag 1, infusion apparatus 11 and syringe, the infusion bag 1 include bag body and liquid outlet, are provided with infusion bag on the liquid outlet Connector, the infusion bag connector include the male connection 5 set gradually from outside to inside, outer tube 2, the compression of silicon ceasma separation membrane Ring 4 and inner sleeve 3, the inner sleeve 3, which is postponed, to be arranged on the liquid outlet；The inner sleeve is close to one end of liquid outlet Its circumferential direction of lateral edge is provided with evenly distributed fluid hole outside horizontal mellow and full obtuse head and horizontal mellow and full obtuse head；It is above-mentioned defeated Liquid bag is Suspensible PVC soft bag, and outer tube and inner sleeve are all made of PVC material, and it is remote that male connection may be provided at outer tube One end from infusion bag, inner sleeve are mellow and full obtuse, and it is cyclic annular compressible design that silicon ceasma separation membrane, which compresses ring, be can effectively ensure that Infusion bag connector is in that microorganism is closed and mechanicalness air-tight state at any time.

Specifically, infusion apparatus 10 is Dual-head infusion device, is provided with infusion apparatus joint on the Dual-head infusion device, described defeated Liquid device connector includes inserted sleeve 7 and the female adapter 8 that is used cooperatively with the male connection 5, the internal screw thread Connector 8 is set on the inserted sleeve 7；Infusion has been connected through a screw thread on two infusion apparatus joints of Dual-head infusion device Bag, two infusion bags are respectively chemotherapeutics infusion bag and common liq infusion bag.

When it is implemented, syringe is to include piston push rod 14, injecting cavity 15 and syringe adapter, the syringe adapter For the female adapter 8 being used cooperatively with the male connection 5；Specifically syringe further includes syringe needle 16, the syringe needle 16 The one end to connect with syringe is provided with the male connection 5 being used cooperatively with the female adapter 8；As shown in Figure 2 and Figure 3, After syringe aspirates chemotherapeutics by syringe needle, it is threadedly coupled with chemotherapeutics infusion bag, chemotherapeutics is pushed into infusion bag.

Wherein Dual-head infusion device is commonly Y-shaped, is disposed on the main infusion tube of Y-shaped infusion apparatus is it possible that dripping Pot 11, flow regulator 12, filter 13 and female adapter 8, it is described is it possible that drop pot 11 is positioned close to Y-shaped infusion apparatus point One end of branch infusion tube；Only liquid valve 9 is also respectively provided on branch's infusion tube of the infusion apparatus joint lower end；Wherein not Non- drop pot transparent visual, convenient for directly observing flow rate of liquid, essence amount flow regulator is can be used in flow regulator, can be by liquid Drip velocity is accurate to 1mL/h, conducive to the drip velocity for accurately controlling chemotherapeutics to reaching more preferably curative effect.

Filter 13 is 5 μm of the accurate filter with automatic ventilating function in the present embodiment；The accurate filter can To have high ability of shutting off to 5 μm or more of particle, the plain filter for being 10 μm compared to pore size filter can be preferably Purification enters the medical fluid of human body, to reach better therapeutic effect.

More specifically scheme is that the male connection 5 and 8 outside of female adapter are respectively arranged with protective case 6； Protective case can guarantee each infusion set internal aseptic, provide safety guarantee for treatment.

The present invention combines the design of Dual-head infusion device with threaded connection, and the unilateral side of Dual-head infusion device is connect by infusion apparatus Head is connect with washing pipe with common medical fluid infusion bag to be completed to be connected after one-side automation is vented with venous patient end conduit, starts to be rushed It manages, closes the side after completion washing pipe and stop liquid valve；Since the filter of infusion apparatus carries degassing function, it is defeated to open chemotherapeutics The only liquid valve of liquid bag side can carry out chemotherapy；The side is closed after completing chemotherapeutics infusion stops liquid valve and open common liquid The only liquid valve of body infusion bag side carries out washing pipe, and washing pipe completes the infusion for completing this bag of chemotherapeutics.

Embodiment 2

The technical solution of the present embodiment are as follows: a set of closed needleless connects infusion device, including infusion bag 1, infusion apparatus 11 And syringe, the infusion bag 1 include bag body and liquid outlet, are provided with infusion bag connector, the infusion on the liquid outlet Bag connector includes the female adapter 8 set gradually from outside to inside, outer tube 2, silicon ceasma separation membrane compression ring 4 and inner sleeve 3, the inner sleeve 3, which is postponed, to be arranged on the liquid outlet；The inner sleeve is horizontal mellow and full obtuse close to one end of liquid outlet Its circumferential direction of lateral edge is provided with evenly distributed fluid hole outside head and horizontal mellow and full obtuse head；Infusion apparatus 10 is double end infusion Device, is provided with infusion apparatus joint on the Dual-head infusion device, the infusion apparatus joint include inserted sleeve 7 and with it is described The male connection 5 that female adapter 8 is used cooperatively, the male connection 5 are set on the inserted sleeve 7；Injection Device be include piston push rod 14, injecting cavity 15 and syringe adapter, the syringe adapter is and the female adapter 8 cooperates The male connection 5 used.

Specifically, Dual-head infusion device is common Y-shaped, is disposed with not on the main infusion tube of Y-shaped infusion apparatus Non- drop pot 11, flow regulator 12, filter 13 and male connection 5, it is described is it possible that drop pot 11 is positioned close to Y-shaped infusion One end of device branch infusion tube；Only liquid valve 9 is also respectively provided on branch's infusion tube of the infusion apparatus joint lower end.

Said syringe further includes syringe needle 16, and one end that the syringe needle 16 connects with syringe is provided with and the external screw thread The female adapter 8 that connector is used cooperatively.

Specific scheme is that the filter 13 is 5 μm of the accurate filter with automatic ventilating function；The precision mistake Filter can have high ability of shutting off to 5 μm or more of particle, compared to the plain filter energy that pore size filter is 10 μm The medical fluid for entering human body is purified, preferably to reach better therapeutic effect.

More specifically scheme is that male connection 5 and 8 outside of female adapter are respectively arranged with protective case 6；Protection Set can guarantee each infusion set internal aseptic, provide safety guarantee for treatment.

Embodiment 2 is only to be interchangeable the nipple on each infusion set, compared with Example 1, in embodiment 1 Scheme more meets the operating habit of medical staff.

In short, a set of closed needleless provided by the invention connects infusion device, by infusion bag, infusion apparatus and syringe Joint is disposed as being threadedly coupled, and syringe needle is avoided to puncture drug extravasation phenomenon caused by forming gap, can effectively protect patient, The safety of family members and medical staff；In addition Dual-head infusion device avoids and changes potential contact scar caused by bottle repeatedly, and flushing side Just, it improves the working efficiency of nurse, more good care is provided；Cricoid silicon ceasma is arranged in infusion bag connector to separate Membrane pressure contracting ring and inner sleeve, so that infusion bag joint is at any time, microorganism is closed and mechanicalness air-tight state.

Note: the infusion set being related in the present invention is disposable.

Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Mode in knowing the present invention after contents, is not departing from the present invention for those skilled in the art Under the premise of principle, several same transformation and substitution can also be made to it, these convert and substitute on an equal basis and also should be regarded as belonging to Protection scope of the present invention.

Claims

1. A set of closed needle-free connection infusion device, comprising an infusion bag (1), an infusion set (11) and a syringe, characterized in that: the infusion bag (1) includes a bag body and a liquid outlet, and the liquid outlet An infusion bag connector is provided on the mouth, and the infusion bag connector includes an external threaded joint (5), an outer sleeve (2), a silicon split membrane compression ring (4) and an inner sleeve (3) arranged sequentially from outside to inside, The inner sleeve (3) is arranged on the liquid outlet in succession; one end of the inner sleeve near the liquid outlet is a horizontal rounded blunt head, and the outer side of the horizontal rounded blunt head is provided with Uniformly arranged outlet holes;

The infusion set (10) is a double-headed infusion set, and an infusion set joint is arranged on the double-headed infusion set. The infusion set joint includes a plug-in joint (7) and a joint with the external threaded joint (5). The internally threaded joint (8) used, the internally threaded joint (8) is sleeved on the plug-in joint (7);

The syringe comprises a piston push rod (14), an injection cavity (15) and a syringe joint, and the syringe joint is an internal thread joint (8) used in conjunction with the external thread joint (5).

2. A set of closed needle-free infusion device according to claim 1, characterized in that: the double-headed infusion set is "Y" type, and the main infusion hose of the "Y" type infusion set is sequentially provided with Murphy dripping pot (11), flow rate regulator (12), filter (13) and internal thread joint (8), described Murphy dripping pot (11) is arranged on one end close to the branch infusion hose of "Y" type infusion set ; The branch infusion hose at the lower end of the infusion set connector is also provided with stop valves (9).

3. A set of closed needle-free connection infusion device according to claim 2, characterized in that: the syringe also includes a needle (16), and one end of the needle (16) connected to the syringe is provided with a The external thread joint (5) used in conjunction with the internal thread joint (8).

4. A set of closed needle-free connection infusion device according to claim 1, characterized in that: said infusion bag (1) comprises a bag body and a liquid outlet, said liquid outlet is provided with an infusion bag joint, so The infusion bag joint includes an internal threaded joint (8), an outer sleeve (2), a silicon split membrane compression ring (4) and an inner sleeve (3) arranged sequentially from the outside to the inside, and the inner sleeve (3) Arranged sequentially on the liquid outlet;

The infusion set (10) is a double-headed infusion set, and an infusion set joint is arranged on the double-headed infusion set. The infusion set joint includes a plug-in joint (7) and a joint with the internal thread joint (8). The externally threaded joint (5) used, the externally threaded joint (5) is sleeved on the plug-in joint (7);

The syringe comprises a piston push rod (14), an injection chamber (15) and a syringe joint, and the syringe joint is an external threaded joint (5) used in conjunction with the internal threaded joint (8).

5. A set of closed needle-free connection infusion device according to claim 4, characterized in that: the double-headed infusion set is "Y" type, and the main infusion hose of the "Y" type infusion set is sequentially provided with Murphy dripping pot (11), flow rate regulator (12), filter (13) and external thread joint (5), described Murphy dripping pot (11) is arranged on one end near the branch infusion hose of "Y" type infusion set ; The branch infusion hose at the lower end of the infusion set connector is also provided with stop valves (9).

6. A set of closed needle-free connection infusion device according to claim 5, characterized in that: the syringe also includes a needle (16), and one end of the needle (16) connected to the syringe is provided with a Female threaded connector (8) for use with male threaded connector.

7. A set of closed needle-free connection infusion set according to claim 2 or 4, characterized in that: the filter (13) is a 5 μm precision filter with automatic exhaust function.

8. A set of closed needle-free connection infusion device according to claim 3 or 6, characterized in that: the external threaded joint (5) and the internal threaded joint (8) are respectively provided with protective sleeves (6) .