CN206687909U - Draw transfusion cover means - Google Patents

Abstract

The utility model, which discloses, draws transfusion cover means, specifically, including discharge opeing puncture outfit（spike）The upper end for be close to the piston element of insertion, being provided with the lid housing for the cylindrical portion that can movably house the piston element along its length and be incorporated into the cylindrical portion prevents the guarantee lid that the piston element departs from, so as to not have to concern the extraction transfusion cover means that rubbery chip occurs, can use safely during the puncture outfit is inserted.

Description

Draw transfusion cover means

Technical field

It the utility model is related to and draw transfusion cover means, with discharge opeing puncture outfit（spike）It is close to the piston of insertion Part, the lid housing for being provided with the cylindrical portion that can movably house the piston element along its length, it is incorporated into the circle The upper end in cylinder portion prevents the guarantee lid composition that the piston element departs from, so as to be carried on a shoulder pole during the puncture outfit is inserted The extraction transfusion cover means that the heart occurs rubbery chip, can used safely.

Background technology

Physiological saline or glucose solution that the hospitals and other places that general therapeutic patient is performed the operation use, Freamine Ⅲ Special container is typically stored in Deng transfusion, the side of the molten device of transfusion is provided with leakage fluid dram（drainage port）.To patient The transfusion device used during transfusion（infusion set）On be provided with pointed puncture outfit（spike）.

So inserting puncture outfit on the leakage fluid dram, the transfusion stored in infusion vessel is drawn.Now, the row Being provided with liquid mouth makes the insertion of puncture outfit become the rubber stopper that easy and pre- liquidproof is spilt.But described traditional leakage fluid dram exists The possibility that rubbery chip occurs when penetrating rubber stopper for puncture outfit is big, the rubbery chip further be present and suffers from as transfusion enters Risk in person's body.

To solve described problem, the applicant proposes in International Publication WO 2011/021742 (on 2 24th, 2011) Cross with the infusion interface of the new structure of piston structure operation（infusion port）.It is described infusion interface as shown in figure 1, its Composition includes：By bottom inserted with puncture outfit（It is not shown）, upper end is through with the inflow part 110 of first inlet hole 116；Will The fixed part 120 that the inflow part 110 houses in which can move certain section along its length；Support the same of the fixed part 120 When make transfusion flow into upper end set sub-portion 130；The lower end of the set sub-portion 130 is incorporated into, and it is de- to prevent the inflow part 110 From fixed cover 140；And cover the anti-pollution cover 150 of the fixed cover 140.

In the state of such as Fig. 1, the first inlet hole 116 is stopped by the inwall of the fixed part 120, therefore infuses not It can be discharged.It is described when the puncture outfit insertion fixed cover 140 set on transfusion device is entered in inflow part 110 under this state Inflow part 110 is pushed to by frictional force and the puncture outfit, and then the first inlet hole 116 is convex to the fixed part 120 Go out.After the transfusion for covering sub-portion 130 is flowed into therewith by the first inlet hole 116, transfusion is directed to by puncture outfit Device.

For the infusion interface without using rubber stopper, manufacturing cost is low, rubbery chip will not also occur, therefore pacify with using The advantages of complete.But the upper end for the set sub-portion 130 being connected with infusion vessel forms circular pipe structure, except connecting tube （It is described as on the patent document " inflow entrance "）It is other inapplicable beyond the plastic infusion bag being set, it is therefore desirable to Improve these defects.

Utility model content

The purpose of this utility model is that providing one kind draws transfusion cover means, and it is operated with piston structure, and whole Body features simple structure, it is further applicable to various form infusion vessels.

The utility model provides a kind of extraction transfusion cover means, including：

With side open-ended, the columnar structured formation of end side sealing, and have and be arranged at wearing for transfusion device Thorn device is close to insert inner space, and the periphery of an open side end is with the ring edge of protrusion, the end side of sealing The piston element of outage is through with from side；

It is provided with the lid housing for the cylindrical portion that can movably house the piston element along its length；

The upper end for being incorporated into the cylindrical portion departs from for preventing the piston element, and is provided with the puncture outfit and passes through The protection cap of logical diaphragm；

The upper end of the cylindrical portion, which has, limits the engaging bank that the ring edge moves down, the lower end of the cylindrical portion Inside circumference face, which has, seals up the discharge opeing barrier of the outage, the piston element move down and in the annular edge When edge is close to the engaging bank, the outage exposes under the discharge opeing barrier.

In the lid housing also there is rubber stopper to set pipe, the rubber sets pipe to be provided with the rubber for inserting syringe Plug and the easy disengaging film for covering the rubber stopper.

Protrude the stopper that the restricted ring edge moves down in the bottom surface of the protection cap.

The lower end of the lid housing is combined with the lower case for sealing up the end portion of the lid housing, the bottom The discharging tube for being engaged in infusion vessel is provided with housing.

In the lower end of the discharging tube sealing wing is protruding with to both sides.

The utility model has the advantage that：

According to extraction transfusion cover means provided by the utility model, by the lid housing and infusion bottle and container entrance Used directly in conjunction with can be used as lid, the lower end combination to the lid housing is provided with can be straight after the lower case of connecting tube The infusion vessel for sealing up polybag form is connect, the connecting tube sealed can also be inserted on the infusion vessel and used, therefore Using upper extremely convenient；

Compared with Fig. 1 " infusion interface ", the utility model has overall structure easy, has the effect for saving manufacturing cost Fruit.

Brief description of the drawings

Fig. 1 is the structure chart that " infusion interface " is introduced on conventional art；

Fig. 2 is the separation perspective view of extraction transfusion cover means of the present utility model；

Fig. 3 a and Fig. 3 b are the combination sectional views of described Fig. 2 extraction transfusion cover means；

Fig. 4 is the perspective view of the extraction transfusion cover means of the utility model one embodiment；

Fig. 5 is the combination sectional view of described Fig. 4 extraction transfusion cover means.

In figure：

10：Piston element； 11：Ring edge；

12：Outage； 20：Lid housing；

21：Cylindrical portion； 21a：Engage bank；

21b：Discharge opeing barrier； 22：Rubber stopper sets pipe；

23：Rubber stopper； 24：Easily depart from film (easy-peel film)；

30：Protection cap； 31：Diaphragm；

32：Stopper (stoper)； 40：Lower case；

41：Conjugation tube； 42：Seal the wing.

Embodiment

The utility model is described in detail below in conjunction with the accompanying drawings.But structure necessary to even implementing the utility model, if belonging to Those of ordinary skill's structure convenient to carry out does not do specific detailed description then on known technology, or conventional art.

Extraction transfusion cover means of the present utility model are as shown in Fig. 2 its composition includes piston element 10, lid housing 20 With protection cap 30.Be below the facility that illustrate, be defined by Fig. 1, by the protection cap 30 be set side referred to as " upper end " or " on Portion ", the lid housing 20 are configured side and are referred to as " lower end " or " bottom ".

First, the piston element 10 is, side open-ended and end side is the columnar structured of sealing, have The puncture outfit set on transfusion device can be close to the inner space of insertion.Outside one side end of the opening of the piston element 10 Around have the ring edge 11 of protrusion, the side in the end side of sealing is through with outage 12.The outage 12 can To be one or multiple.

The structure of the lid housing 20 is similar to common vessel lid, is provided with and the piston element 10 along its length may be used The cylindrical portion 21 movably housed.The engaging bank that the restricted ring edge 11 in upper end of the cylindrical portion 21 moves down 21a, possesses the discharge opeing barrier 21b for sealing the outage 12 on face around the lower end inside of the cylindrical portion 21.

Can also possess rubber stopper in the lid housing 20 and pipe 22 is set, the rubber stopper is set can set rubber on pipe 22 Plug 23 and the easy-peel scrapping off film for covering the rubber stopper 23（easy-peel film ）24.The rubber stopper 23 is such as to defeated When being transfused the other medicines such as antibiotic inside liquid container in the transfusion of storage, it can be used as the purposes of insertion syringe.

The protection cap 30 is incorporated into the upper end of the cylindrical portion 21, departs from for preventing the piston element 10, and It is provided with the soft diaphragm 31 of the puncture outfit S insertions.Preferably protruded on the bottom surface of the protection cap 30 restricted described The stopper (stoper) 32 that ring edge 11 moves up.

Extraction transfusion of the present utility model is with lid arrangement, when not arranging transfusion, as shown in Figure 3 a, the quilt of piston element 10 The top of the cylindrical portion 21 is arranged on, the outage 12 is sealed up by the discharge opeing barrier 21b.In this case, it is Discharge transfusion, when puncture outfit S is inserted into the protection cap 30, the puncture outfit S insertions diaphragm 31 is inserted into described In piston element 10, then it can be moved down by the frictional force with the puncture outfit S, the piston element 10.

After the piston element 10 declines, as shown in Figure 3 b, the ring edge 11 is close to the engaging bank 21a, then The outage 12 exposes under the discharge opeing barrier 21b.In addition, infusion vessel（It is not shown）The middle transfusion stored from The outage 12 and puncture outfit are discharged to the transfusion device for being connected to the puncture outfit after.

When transfusion is by the drained puncture outfit of extraction later, piston element 10 rises with the puncture outfit S, while the outage 12 are resealed by the discharge opeing barrier 21b.Now, the stopper (stoper) 32, which plays, limits the piston element 10 functions of rising.

It is of the present utility model extraction transfusion with cover means be to be formed with the described common container lid identical structure, Therefore lid of the lid housing 20 directly as infusion vessels such as infusion bottles can be used.Now, the lid housing 20 Internal thread part corresponding with the infusion vessel can be set on inside circumference face（It is not shown）.

Fig. 4 and Fig. 5 is another embodiment of the present utility model, and the lower end for showing the lid housing 20 is combined with bottom The structure of housing 40.The lower end of the lower case 40 is provided with the conjugation tube 41 being connected with infusion vessel, therefore is adapted to defeated Liquid container is polybag（plastic bag）When use.Now, the conjugation tube 41 as shown in Figure 4 and Figure 5, under can having There is the structure that the sealing wing 42 protrudes end both sides, although not shown on accompanying drawing, can also form circular pipe body shape.

It is described sealing the wing 42 be used for by the conjugation tube 41 the polybag piece（sheet）Between carry out thermal welding, With baffle seal（sealing）The function of position leakage.When the conjugation tube 41 is circular body, in the piece of the polybag （sheet）Between use connecting tube（It is not shown）Seal up, the conjugation tube 41 is forcibly inserted into the connecting tube.

Claims (5)

1. one kind draws transfusion cover means, it is characterised in that including：

With side open-ended, the columnar structured formation of end side sealing, and with the puncture outfit for being arranged at transfusion device It is close to insert inner space, the periphery of an open side end is with the ring edge of protrusion（11）, the end side of sealing Outage is through with from side（12）Piston element（10）；

It is provided with the piston element（10）The cylindrical portion that can movably house along its length（21）Lid housing（20）；

It is incorporated into the cylindrical portion（21）Upper end for preventing the piston element（10）Depart from, and be provided with the puncture The diaphragm of device insertion（31）Protection cap（30）；

The cylindrical portion（21）Upper end have and limit the ring edge（11）The engaging bank moved down（21a）, the circle Cylinder portion（21）Lower end inside around face have and seal up the discharge opeing barrier of the outage（21b）, the piston element （10）Move down and in the ring edge（11）Close to the engaging bank（21a）When, the outage（12）From the row Liquid barrier（21b）It is beneath to expose.

2. extraction transfusion cover means according to claim 1, it is characterised in that the lid housing（20）On also have Rubber stopper sets pipe（22）, the rubber, which is set, manages（22）It is provided with the rubber stopper for inserting syringe（23）It is described with covering Rubber stopper（23）Easy disengaging film（24）.

3. extraction transfusion cover means according to claim 1 or 2, it is characterised in that

The protection cap（30）Bottom surface protrude the restricted ring edge（11）The stopper moved down（32）.

4. extraction transfusion cover means according to claim 1 or 2, it is characterised in that the lid housing（20）Under End is combined with the lid housing（20）The lower case that seals up of end portion（41）, the lower case（41）Upper setting There is the discharging tube for being engaged in infusion vessel（42）.

5. extraction transfusion cover means according to claim 4, it is characterised in that

In the discharging tube（42）Lower end be protruding with the sealing wing to both sides（43）.