CN2431885Y

CN2431885Y - Large transfusion connected device

Info

Publication number: CN2431885Y
Application number: CN 00202682
Authority: CN
Inventors: 付燕青; 张睿
Original assignee: 付燕青
Priority date: 2000-02-26
Filing date: 2000-02-26
Publication date: 2001-05-30
Anticipated expiration: 2010-02-26

Abstract

The utility model relates to a large transfusion communication device, which is characterized in that a one-off transfusion device is provided with a T-branch cavity; a floater is arranged in the cavity; relying on the action of floater elevating, a switch that liquid enters into and out of the cavity is closed, and an automatic gate is formed to control liquid in and out, and thereby, a plurality of groups of liquid can be opened orderly and automatically divided to drip with the assistance of the utility model, and meanwhile, the utility model has a plurality of safety protection actions of blood returning resistance, air entering resistance, no pinhead stagnation, no blood loss, etc.

Description

The infusion solutions intercommunicating device

The present invention relates to medical disposable transfusion device; in the cavity of a threeway, establish a float; rely on the effect of float lifting; reach liquid turnover cavity ground switch closure, form an automatic brake, the controlling liquid turnover; no matter thereby reach is several groups of (bottle) liquid; this constructional device assist down, order is opened, grouping is instiled automatically, has the new disposable infusion set of multiple safeguard protection effect simultaneously by being provided with.

At present, the disposable transfusion device that uses in the medical treatment is totally lost the back if can not find in time that liquid blood back can occur when being passed to the following certain altitude of dropping funnel at liquid, and the syringe needle that stagnates as also having next group liquid, then needs the following air of emptying dropping funnel.During aerofluxus, operate careless slightlyly, will bring the danger of blood vessel air inlet to patient, the stifled syringe needle that stagnated of blood back, then cause the misery of losing blood on a small quantity and being punctured more to patient, the burden at heart when for this reason having increased patient infusion has also increased the weight of entourage's labor intensity simultaneously.

Purpose of the present invention: provide a kind ofly behind the liquid of being totally lost, residual liquid stays in the dropping funnel automatically, no longer continues to make a bet, thereby reach, blood back does not block up sticking of needle head, when renewing liquid, need not aerofluxus, can infuse when instiling by liquid more than two bottles simultaneously, only need a routine operation, just can finish the novel infusion device that automatic replacing grouping is instiled, thereby avoid the vein air inlet, blood back, and the possibility of the stifled sticking of needle head of blood back and many punctures.

The present invention is achieved in that in the cavity of a threeway, and a float is set, and float all has a conical points up and down, conical points corresponding intravital two holes, chamber, last hole is an inlet opening, this hole communicates with the inlet opening that bottle stopper punctures; Following hole is a liquid outlet, communicates with conduit.Side opening on the cavity is the linking port that is used for UNICOM's liquid, is sealed by cock cap at ordinary times.The infusion solutions intercommunicating device is divided into two parts on making: the one, intercommunicating device is directly installed on the dropping funnel of transfusion device, and be called UNICOM's formula transfusion device.The dropping funnel of transfusion device does not relate to technological transformation with the lower part in the present technique, do not do in this manual and give unnecessary details.The transfusion device of Communicating device is housed, with existing transfusion device using method basically identical, just in use has the kinds of protect function, and many group liquid can a UNICOM, grouping is instiled automatically.The 2nd, aiding in UNICOM's formula transfusion device can a UNICOM for its many group liquid, guards the Communicating device of the intercommunicating device of automatic replacing liquid effects without personnel.In actual use, UNICOM's formula transfusion device, Communicating device respectively is divided into independent packaging.No matter be several groups of liquid during transfusion, must use this intercommunicating device could realize the function described in this description.Infusion solutions carries out UNICOM when transfusion, with the bottle stopper puncture needle of Communicating device, thrusts and hangs in the first group of liquid bottle stopper that land, and after liquid flows out from Communicating device, the UNICOM of the Communicating device on the conduit below the Communicating device and the UNICOM formula transfusion device is connected port is connected.In the time of in first group liquid flows via a conduit second Communicating device cavity, after the intravital float in chamber floated fully, the conical points on the float inserted the intravital hole of going up, chamber.The dropping funnel of pinching UNICOM formula transfusion device when attracting liquid to be positioned at dropping funnel 1/2 place, again with the bottle stopper puncture needle of UNICOM's formula transfusion device, thrusts in the bottle stopper of the second group of liquid that is hanging.The outlet of second group of liquid, owing to sealed by float, liquid is multiple abscess downwards.First group of flow of liquid splashes into dropping funnel through second group Communicating device.After first group of liquid was totally lost, the float of first group of Communicating device fell, and the conical points under the float inserts intravital hole down, chamber, and air can not be entered.The interior liquid of second group of dropping funnel this moment continues to make a bet, and second group of intravital hydraulic pressure in Communicating device chamber begins to reduce, and float can not have been supported the sealing to hole on the cavity, and second group of liquid begins downward instillation.After liquid all was totally lost, last group Communicating device chamber intravital float fell, and float awl point inserts hole down, and making in the dropping funnel can not air inlet, forms certain negative pressure, and the liquid of residual dropping funnel stops downward infusion.Pressure in the transfusion device is slightly larger than venous pressure, therefore the blood back phenomenon can not occur.

Owing to adopt such scheme, when using this utility model, just can not resemble existing transfusion device blood back can occur, the generation of air inlet during the stifled sticking of needle aerofluxus.Can alleviate simultaneously medical personnel and carry out aerofluxus changing liquid, repeat the ground labor intensity that punctures, also save medical personnel's time, the psychological burden when therefore patient has also alleviated transfusion for patient.The utlity model has to the whole society and promote the ground meaning.

Below in conjunction with accompanying drawing this utility model is further specified:

Fig. 1 is the UNICOM's formula transfusion device in this utility model infusion solutions intercommunicating device

Fig. 1-1 bottle stopper puncture needle

Fig. 1-2 cavity

The tapered point of Fig. 1-3 float

Fig. 1-4 float

Fig. 1-5 is connected port

Fig. 1-6 cock cap

Fig. 1-7 conduit

Fig. 1-8 dropping funnel

Fig. 2 is the linker in this utility model infusion solutions intercommunicating device.

Communicating device among Fig. 1 above the dropping funnel of communication type transfusion device, in full accord with structure, specification, the title of Communicating device among Fig. 2.

This utility model UNICOM formula transfusion device is done little change at its inlet opening place, is equally applicable to the open infusion device of children's.This utility model can be divided into automatic adjustment and drip fast type and non-automatic extraction turbine integral drip speed type.Automatically an adjustment fast type is the lower end in the feed pathway of bottle stopper puncture needle of the present utility model, set up a flow and regulate knob, be used for when many group fluid communication are used, regulate the different ground that require of every group of medicinal liquid and drip speed, thus reach every group of liquid in infusion process voluntarily transfer liquid drip speed.

Claims

The cavity of a kind of threeway of assembling on disposable medical infusing device, in establish a float, rely on the effect of float lifting; carry out liquid and pass in and out the ground switch closure in cavity, no matter the controlling liquid turnover is several groups of (bottle) liquid thereby reach; assisting down of this constructional device; open by order is set, grouping is instiled automatically, simultaneously; has blood return prevention; anti-air inlet, the syringe needle that do not stagnate, the new disposable infusion set of multiple safeguard protection effect such as do not lose blood.

It is characterized in that: establish the device of a float in a kind of cavity of threeway, with the disposable transfusion device configuration, reach no matter several groups of liquid need not personnel's replacing, the open infusion that divides into groups automatically has multiple safeguard protection effect simultaneously.