CN201353361Y - Disposable multifunctional vein remaining needle - Google Patents

Abstract

The utility model discloses a disposable multifunctional vein remaining needle, which comprises a puncture needle, an infusion set, an injector and other connecting pipes. The disposable multifunctional vein remaining needle is characterized in that the vein remaining needle further comprises an infusion four-way pipe, through which an output port is communicated with the connecting pipe of the puncture needle; an input port is communicated with a blood sampling needle; and the rest two input ports are communicated with the infusion set and the injector respectively. Compared with the general vein remaining needle, the novel multifunctional vein remaining needle has the vein puncture characteristic that multiple nursing operations of automatic sampling blood, infusion, injection and use medicine can be achieved at one time in the shortest time; meanwhile, the utility model has the advantages that the blood sample is collected without the injector, blood overflow and blood pollution are avoided; when the multifunctional vein remaining needle is cooperated with a negative-pressure blood sampling pipe, the sampling blood amount can be according to detection contents, so that the infusion and medicine use are fast and convenient. Therefore, the disposable multifunctional vein remaining needle has better popularization and application prospects, is suitable for the remaining patient, to which the liquid medicine and the blood are continuously injected into the body through veins, and is particularly suitable for curing the emergent and critical patient.

Description

The disposable multifunction venous detaining needle

Technical field

This utility model relates to a kind of medical appliance, especially extracts blood or liquid is injected into venous detaining needle in the human body by vein.

Background technology

Venous detaining needle is vein haemospasia, venous transfusion and the intravenous injection medical appliance that arrives commonly used, it also is clinical modal nursing procedure, in clinical nursing activity, these operations are often separately carried out, this not only increases painful to patient and injecting charge is used, but also increase workload to the nurse, reduce work efficiency.And, when running into anxious critical patient and need first aid, can not allow the nurse to have a lot of times to finish the rescue and nursing operation item by item.Because time is life, untimely as patient handling, will bring irreparable harm to patient, even loss of life.At present, though when robbing the emergency critical patient, also use venous detaining needle,, employed venous detaining needle is not to be furnished with blood taking needle, when being badly in need of blood sampling, match, must connect the side pipe extraction blood of remaining needle in addition with syringe; When needs extract more blood preparation, can only divide 2 times or repeatedly extraction with the 10ml syringe, then the blood that is extracted is injected in the blood sampling test tube respectively again.This not only time-consuming inconvenience, and the propagation that is easy to cause blood specimen haemolysis and infectious disease takes place.

The utility model content

The purpose of this utility model provides a kind of disposable multifunction venous detaining needle, can reduce patient extracting blood or liquid being injected into misery and injecting charge usefulness in the human body, provides convenience for nurse's work, increases work efficiency.

Adopt this Multifunction venous detaining needle just can allow this imagination become a reality, concrete technical scheme of the present utility model is:

A kind of disposable multifunction venous detaining needle, it comprises puncture needle, transfusion device and syringe and their connection tube thereof, it is characterized in that also comprising:

Output port is communicated with the puncture needle connection tube, and an input port is communicated with blood taking needle, the transfusion four-way pipe that all the other two input ports are communicated with transfusion device and syringe respectively.

Described connection is the two without leakage connections in member phase junction.

The disposable multifunction venous detaining needle of said structure, be to make full use of vacuum suction principle and fluid pressure principle, collection venous transfusion, intravenous injection and blood sampling are the four-way bobbin utensil of one, are a kind of more humane, easy and simple to handle, controllable venipuncture needles of blood sampling volume.Mix the negative pressure blood sampling test tube by an input siphunculus end with blood taking needle during blood sample collection and utilize the principle of vacuum suction to carry out, blood taking needle can be extracted from the test tube plug after blood sampling finishes, package and protect needle guard or over cap.Then, utilize fluid pressure principle liquid input medicinal liquid on two input siphunculus terminations, can on three input siphunculus ends, injection rob cure simultaneously.This multi-functional venous detaining needle have in the shortest time than common venous detaining needle will take a blood sample automatically, characteristic that venipuncture is once finished in transfusion, the multinomial nursing procedure of injecting drug use, and when blood sample collection, need not to extract with syringe, the depletion of blood hydrorrhea goes out, pollution-free, amount for taking blood can extract as required according to detecting content when joining the negative pressure blood taking tube, and the transfusion medication is quick and easy.In order to alleviate patient's misery, shorten the venipuncture time, improve quality of blood drawn and detect quality, increase work efficiency and salvage success rate, the nurse had only with the shortest time, best techniques and facility cooperate the doctor to produce optimized rescue effect, could finally be embodied as the purpose that patient offers high-quality service.And adopt this Multifunction venous detaining needle just can allow this imagination become a reality.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Shown in Figure 1, be structural representation of the present utility model.As we know from the figure, the output port 17 of the transfusion four-way pipe 18 of this utility model is communicated with the flexible pipe 20 that is connected of puncture needle 21, one input port 16 is communicated with the front end of blood taking needle 14, and all the other two input ports 11,15 are communicated with transfusion device and syringe by calparine cap 7, liquid medicine filter 13 respectively.Wherein, on puncture needle connection tube 20, be with hemostasis card 19; The back pin end of blood taking needle 14 is communicated with blood sampling test tube 12; Transfusion device comprises liquid medicine filter 13, flow regulator 5, air filter 4, draws liquid pin 2, infusion bottle 1, infusion tube 3 and 6; Syringe also comprises injection tube 10 infusion tubes 9 and entry needle 8, and the front end of entry needle 8 thrusts the back of calparine cap 7 and is communicated with transfusion four-way pipe 18, and the rear end of entry needle 8 is communicated with injection tube 10 by infusion tube 9.Because but this venous detaining needle is blood sample collection and is injected in the human body with blood or with liquid, so the connection between each member is that no leakage connects or is tightly connected.Blood in the blood sampling test tube 12 is injected into blood sampling test tube 12 by puncture needle 21, puncture needle connection tube 20, output port 17 and transfusion four-way pipe 18, blood sampling input port 16 and blood taking needle 14 in regular turn in human body.Usually, blood sample collection rescues medication prior to infusing and inject in the human body.Medicinal liquid in the infusion bottle 1 is passed in the human body by drawing liquid pin 2, infusion tube 3, air filter 4, flow regulator 5, infusion tube 6, liquid medicine filter 13, transfusion four-way pipe 18, puncture needle connection tube 20 and puncture needle 21 in regular turn.Medicinal liquid in the injection tube 10 is passed in the human body by infusion tube 9, entry needle 8, transfusion four-way pipe 18, puncture needle connection tube 20 and puncture needle 21 in regular turn.Certainly, two input ports 11,15 of transfusion four-way pipe 18 are not necessarily corresponding one by one with calparine cap 7 and syringe, liquid medicine filter 13 and transfusion device thereof, transposing also can be used mutually, and, input port 11,15 also can with liquid is injected intravital other medical apparatus and instruments of people and is communicated with, giving full play to the multifunctionality of this utility model transfusion four-way pipe 18, is service for patients better.

Workflow of the present utility model is:

1, in single packing, takes out the multi-functional venous detaining needle of novel disposable that comprises automatic blood sampling, transfusion, injecting drug use.

2, pinch the casing seat of venous detaining needle with thumb and forefinger, about rotate and take off sheath gently, when taking off sheath, avoid only controlling needle handle, do not make the crooked and damage of needle point.

3, left hand pinches casing seat, and the right hand resets needle handle left and right sides fine rotation then, in case sleeve pipe and needle tubing adhesion; Control needle handle (needle handle and casing seat should be close to) to puncture into vein than low angle.

4, observe and to see having blood to be back to sleeve pipe, extract a little draw point out after, along the vein direction sleeve pipe is sent into vein again, extract draw point then, draw point is put into the special collector tool.

5, fix remaining needle according to rule of operation with aseptic sticker, and write exactly the concrete time of retained needle puncture.

6, if be badly in need of blood sampling, match, then take off the needle guard that protects of blood taking needle, it is desirable blood that blood taking needle is directly inserted in the negative pressure blood sampling test tube plug, amount for taking blood can extract according to the disease detection needs, get blood and finish, extract blood taking needle from the pipe close of blood taking tube, cover is given unprincipled protection to needle guard and is got final product again.

7, take off over cap at last, be connected with the transfusion device screwed union by infusion connector and infuse the medication rescue or carry out conventional infusion treatment.

Claims (2)

1, a kind of disposable multifunction venous detaining needle, it comprises puncture needle, transfusion device and syringe and their connection tube thereof, it is characterized in that also comprising:

Output port (17) is communicated with puncture needle connection tube (20), and an input port (16) is communicated with blood taking needle (14), the transfusion four-way pipe (18) that all the other two input ports (15,11) are communicated with transfusion device and syringe respectively.

2, disposable multifunction venous detaining needle according to claim 1 is characterized in that:

Described connection is the two without leakage connections in member phase junction.

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