CN209019645U - A kind of medical transfusion self closing device - Google Patents

Abstract

The utility model relates to a kind of medical transfusion self closing devices, including piercing through needle, hand holding handle and perfusion tube, the puncture needle has the cylindrical body with point made of hard medical plastic, medical fluid entrance is set inside its tail end, outside is packed on bottle cap sealing boss, medical fluid entrance is connect with medicine liquid channel, air inlet pipe is set inside the bottle cap sealing boss, it is arranged at the top of the air inlet pipe pointed, centre setting elastic valve, tail portion is tightly connected filter, the bottle cap sealing boss is packed in one end of tattooing handle with one heart, one end of tattooing handle another side is fixedly mounted with hand holding handle with one heart, the hand holding handle is cone, decorative pattern is arranged in surface, the utility model, which can make medical fluid that rear blood be finished, to flow back, it avoids pollution air and medical fluid directly contacts, prevent cross-infection, medical worker is easier to hold, it pierces through more labor-saving.

Description

A kind of medical transfusion self closing device

Technical field

The utility model relates to a kind of medical transfusion self closing devices, belong to the field of medical instrument technology.

Background technique

Medical transfusion is using atmospheric pressure and fluid pressure principle that a large amount of sterile liquids, electrolyte, drug is defeated by vein Enter intracorporal method.By a large amount of liquid, electrolyte or blood by being injected intravenously referred to as phleboclysis.Because of the position of injection With the difference of infusion, Peripheral vein infusion, peri-operative central venous infusion, high nutrition infusion (TPN) and blood transfusion etc. can be divided into.Medical transfusion There are many benefits: 1, easily drug being reached and cause effective therapeutic concentration, and constant density needed for sustainable maintenance curative effect.2, to muscle, skin The irritant drug of undertissue can be given through vein.3, the liquid or blood that body is lost can promptly be supplemented.4, vein is sought The infusion for the product of supporting.So the number of patients being infused now is huge, often carried out in infusion process several hours, no matter medical matters Personnel or nurse can not pay close attention to always the process of infusion, and often the time is longer and forget when just to observe medical fluid by patient It is finished, often causes air input human body or blood backflow, very big harm is caused to patient, and existing medical transfusion fills Setting can not accurately judge when medical fluid is just finished, and be easy to cause a small amount of blood back.

Utility model content

A kind of medical transfusion provided the purpose of the utility model is to overcome the deficiencies in the prior art is automatic Close device.

The utility model is realized in this way: a kind of medical transfusion self closing device, including pierce through needle, hand holding handle and Perfusion tube, it is characterised in that: the puncture needle has the cylindrical body with point made of hard medical plastic, sets inside tail end Medical fluid entrance is set, outside is packed on bottle cap sealing boss, and medical fluid entrance is connect with medicine liquid channel, in the bottle cap sealing boss Air inlet pipe is arranged in portion, is arranged to pointed, centre setting elastic valve, tail portion sealed connection filter, institute at the top of the air inlet pipe It states bottle cap sealing boss to be packed in one end of tattooing handle with one heart, one end of tattooing handle another side is fixedly mounted with hand holding handle with one heart, and the hand holding handle is Decorative pattern is arranged in cone, surface.

Further, elastic valve includes valve piece and valve frame.

Further, the valve frame is plastic circle ring shape, and inside is provided with valve piece.

Further, the valve piece be elastic rubber-plastic composite made of triangular, length Gai Guo circle ring center, and Conical arrangement.

Further, the filter is the hollow cylindrical body in both ends, is fixedly mounted with active carbon on the inside of the left side, right side is fixedly mounted with Filter cotton.

Further, the air inlet pipe tip protruded length, which is less than, pierces through needle, and tip is hollow, and length is greater than the rubber of medicine bottle The thickness of Jiao Gai.

The utility model beneficial effect achieved is:

Equipped with elastic valve, when medical fluid, which enters opening's edge petroleum pipeline from medical fluid, to be flowed down, negative pressure in medicinal liquid bottle, air passes through filtering Device opens elastic valve, into medicinal liquid bottle, guarantee medical fluid smoothly flow down, since elastic valve taper is inwardly arranged, medical fluid without Method is flowed out by elastic valve, and when medical fluid is finished, air pressure increases in bottle, and without head of liquid, and elastic valve is by itself bullet Property close up closing, keep the pressure in medicinal liquid bottle, so that blood can not flow back, air closes sealing function not due to elastic valve It is connected again, so that air is avoided to enter blood, it, also can be certainly even if patient and medical worker have been finished without discovery medical fluid in time The dynamic infusion safety for guaranteeing patient, reduces malpractice, alleviates the labor intensity of medical worker.Filter is set simultaneously, is protected Card enters the air cleaning of medicinal liquid bottle, avoids the air of pollution and medical fluid directly contacts and polluted medical fluid, reduces infusion disease The cross-infection of people, enhances therapeutic effect.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the filter structure schematic representation of the utility model；

Fig. 3 is the enlarged front view of the elastic valve of the utility model；

Fig. 4 is the amplification right view of the elastic valve of the utility model.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: as shown in Fig. 1-4, the utility model is realized in this way: dress is automatically closed in a kind of medical transfusion It sets, including pierces through needle 11, hand holding handle 8 and perfusion tube 7, the puncture needle 11 has the cylinder with point made of hard medical plastic Body, also the intensity of needle 11 is pierced through in solid, increase at top, it is easier to medical fluid bottle cap is pierced through, it is more laborsaving, and it is set inside tail end Medical fluid entrance 1 is set, medical fluid entrance 1 is arranged in tail end, medical fluid is made full use of, does not have residue, not will cause medical fluid Waste, outside is packed on bottle cap sealing boss 10, and bottle cap sealing boss 10 comes into full contact with medical fluid bottle cap, plays certain close Envelope effect, while making puncture needle 11 more firm, abjection will not be rocked, medical fluid entrance 1 is connect with medicine liquid channel 6, the bottle cap Air inlet pipe 2, medical fluid outflow are set inside seal boss 10, and air inlet pipe 2 supplements clean air, guarantees the smooth outflow of medical fluid, disease The more comfortable safety of people, be arranged at the top of the air inlet pipe 2 it is hollow pointed, when piercing through needle 11 and piercing through medical fluid bottle cap, air inlet pipe 2 Bottle cap is pierced through simultaneously in tip so that air is easily accessible in bottle, centre setting elastic valve 4, when medical fluid from medical fluid entrance 1 along defeated When oil pipe 7 flows down, negative pressure in medicinal liquid bottle, air opens elastic valve 4 by filter 3, into medicinal liquid bottle, guarantees medical fluid It smoothly flows down, since 4 taper of elastic valve is inwardly arranged, medical fluid can not be flowed out by elastic valve 4, when medical fluid is finished, in bottle Air pressure increases, and without head of liquid, elastic valve 4 closes up closing by the elasticity of itself, keeps the pressure in medicinal liquid bottle, so that Blood can not flow back, and air is closed sealing function due to elastic valve and is no longer turned on, to avoid air from entering blood, even if sick People and medical worker have been finished without discovery medical fluid in time, can also guarantee the infusion safety of patient automatically, reduce malpractice, The labor intensity of medical worker is alleviated, tail portion is tightly connected filter 3, guarantees the air cleaning for entering medicinal liquid bottle, avoids The air of pollution directly contacts with medical fluid and polluted medical fluid, reduces the cross-infection of transfusion patient, enhances therapeutic effect.Institute It states bottle cap sealing boss 10 to be packed in one heart in one end of tattooing handle 9,9 another side of one end of tattooing handle is fixedly mounted with hand holding handle 8 with one heart, described hand-held Handle 8 is cone, and decorative pattern 5 is arranged in surface, and medical worker firmly pierces through medical fluid bottle cap, and decorative pattern 5, which makes to go smoothly, to be not easy to skid, and is stopped Boss 9 is more labor-saving when to pierce through.Elastic valve 4 includes valve piece 41 and valve frame 42.The valve frame 42 is plastics circle Annular is interference fitted with air inlet pipe, will not loosen, guarantee the smooth of air inlet, inside is provided with valve piece 41.The valve piece 41 be triangular made of elastic rubber-plastic composite, length Gai Guo circle ring center, and conical is arranged to side.The mistake Filter 3 is the hollow cylindrical body in both ends, is fixedly mounted with active carbon 32 on the inside of the left side, right side is fixedly mounted with filter cotton 31.The air inlet pipe 2 Tip protruded length, which is less than, pierces through needle, and tip is hollow, and length is greater than the thickness of the serum cap of medicine bottle, so that air is easily accessible bottle It is interior.

The utility model is equipped with elastic valve, and when medical fluid, which enters opening's edge petroleum pipeline from medical fluid, to be flowed down, negative pressure in medicinal liquid bottle is empty Gas opens elastic valve by filter, into medicinal liquid bottle, guarantees that medical fluid smoothly flows down, since elastic valve taper is inside Arrangement, medical fluid can not be flowed out by elastic valve, and when medical fluid is finished, air pressure increases in bottle, and without head of liquid, elastic valve is borrowed It helps the elasticity of itself to close up closing, keeps the pressure in medicinal liquid bottle, so that blood can not flow back, air is closed due to elastic valve Sealing function is no longer turned on, to avoid air from entering blood, even if patient and medical worker are without having had found medical fluid in time It is finished, can also guarantee the infusion safety of patient automatically, reduce malpractice, alleviate the labor intensity of medical worker.It sets simultaneously Filter is set, guarantees the air cleaning for entering medicinal liquid bottle, avoids the air of pollution and medical fluid directly contacts and polluted medical fluid, The cross-infection for reducing transfusion patient, enhances therapeutic effect.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, it in all respects, should all regard utility model example as exemplary, and is non-limiting, this reality It is indicated by the appended claims rather than the foregoing description with novel range, it is intended that the equivalent requirements of the claims will be fallen in Meaning and scope in all changes be embraced therein.It should not treat any reference in the claims as It limits the claims involved.

Claims (6)

1. a kind of medical transfusion self closing device, including pierce through needle, hand holding handle and perfusion tube, it is characterised in that: the thorn Threading a needle has with sharp cylindrical body made of hard medical plastic, and medical fluid entrance is arranged in tail end inside, and it is close that outside is packed in bottle cap It seals on boss, medical fluid entrance is connect with medicine liquid channel, and air inlet pipe, the air inlet pipe top are arranged inside the bottle cap sealing boss It is arranged to pointed, centre setting elastic valve, tail portion sealed connection filter, the bottle cap sealing boss is packed in blocking with one heart On boss, one end of tattooing handle another side is fixedly mounted with hand holding handle with one heart, and the hand holding handle is cone, and decorative pattern is arranged in surface.

2. medical transfusion self closing device according to claim 1, it is characterised in that: the elastic valve packet Include valve piece and valve frame.

3. the medical transfusion self closing device according to claim 2, it is characterised in that: the valve frame is Plastic circle ring shape, inside are provided with valve piece.

4. the medical transfusion self closing device according to Claims 2 or 3, it is characterised in that: the valve piece For triangular made of elastic rubber-plastic composite, length Gai Guo circle ring center, and conical arrangement.

5. medical transfusion self closing device according to claim 1, it is characterised in that: the filter is two Hollow cylindrical body is held, is fixedly mounted with active carbon on the inside of the left side, right side is fixedly mounted with filter cotton.

6. medical transfusion self closing device according to claim 1, it is characterised in that: the air inlet pipe tip Protruded length, which is less than, pierces through needle, and tip is hollow, and length is greater than the thickness of the serum cap of medicine bottle.