CN202553949U

CN202553949U - Blood hemostix

Info

Publication number: CN202553949U
Application number: CN2012201869631U
Authority: CN
Inventors: 李国华; 姜美芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-27
Filing date: 2012-04-27
Publication date: 2012-11-28
Anticipated expiration: 2022-04-27

Abstract

A blood hemostix comprises a needle cylinder, a piston handle and a needle head. A nipple is arranged at one end of the needle cylinder, the needle head is sleeved on the nipple, the piston handle is slidingly installed in a containing cavity of the needle cylinder, a piston is arranged at one end of the piston handle, the piston is provided at least one circulation cavity channel, an ventilation water-proof filtering membrane is arranged in the circulation cavity channel, at least two strip-loop-shaped sealing rings are arranged on the surface of the piston, an exhaust channel is arranged at one end of the piston connected with the piston handle, the exhaust channel is communicated with the circulation cavity channel, and a needle tip portion of the needle head is in a shape of an acute angle. An arterial blood hemostix further comprises a plug body for sealing needle holes on the needle head, and a heparin agent is pasted on the inner wall of the containing cavity of the needle cylinder or paper with heparin is arranged in the containing cavity of the needle cylinder. The blood hemostix is reasonable in structure and design, improves on the basis of a disposable common injector, solves the problem of being high in production cost, lowers construction cost, reduces social cost and lightens medical treatment loads of a patient.

Description

The vim and vigour hemostix

Technical field

This utility model relates to a kind of technical field of medical instruments, relates in particular to a kind of vim and vigour hemostix.

Background technology

In medical apparatus and instruments; We use disposable syringe in a large number; It mainly contains syringe, syringe needle and piston handle forms, and syringe is provided with the nipple that syringe needle is installed, and piston handle is provided with piston; To pinhead sleeve be contained on the nipple of syringe end during use, reach the purpose of injection through the slip of piston handle in syringe.In clinical, the order of severity in order to confirm whether to have acid base imbalance in the body, judge respiratory failure better instructs oxygen therapy to regulate the parameters of mechanical ventilation, corrects electrolyte disturbance; Direct clinical medications etc. all need be measured ABG, and the way that present domestic hospital is general is following: get 2 milliliters the dried empty needle of sterilization, load onto syringe needle; Suck every milliliter and contain 0.5 milliliter of 1500 units heparin solution, promote nook closing member back and forth, make heparin liquid coat the syringe inwall, needle point up then; Drive away bubble and unnecessary heparin liquid in the pin, earlier with the careful arteriopalmus that touches of finger, differentiate the trend and the degree of depth during blood sampling, then with iodine tincture and cotton ball soaked in alcohol sterilization skin; Refer to and the fixing tremulous pulse of middle finger that with left hand the right hand is held syringe and needle point is thrust tremulous pulse through skin taken a blood sample, and accomplishes the back and gets rid of the interior bubble of syringe; Syringe needle is thrust cork with secluding air, rotate that syringe makes blood and the abundant mixing of heparin liquid in case hemostasis-coagulation, above process can not accurately be controlled the heparin amount; At most blood sample is formed dilution, it is insufficient to form anticoagulant at least, and puncture relies on the external force blood drawing in addition; Along with domestic glass syringe disappears, plastics are with a large amount of employings of syringe, because of the smoothness problem of frosting; Causing at all can't be from bullet, so when blood sampling, need portable piston handle, result to be prone to mobile syringe needle in blood collection procedure at the inner piston handle of when blood sampling syringe; The patient is caused suffering, also be prone to form haemolysis, the arterypuncture success rate is reduced.Most domestic hospital introduces hemostix from countries such as the U.S., Japan and Denmark at present, because hemostix is disposable use, and involves great expense; About 20 yuan every, in addition higher, and this departmental cost is born by the patient; Cause the patient medical burden too heavy; Economic condition difference person holds and dares not accept, and it is with low cost therefore to develop a kind of cost, and the vim and vigour hemostix of dependable performance is exactly required at present.

The utility model content

The technical problem that this utility model solved is: a kind of vim and vigour hemostix is provided, on the basis of disposable ordinary syringe, transforms; Solved the high problem of production cost, made the cost cost low, dependable performance; Reduce social cost, alleviated patient's medical burden.

The technical scheme of the technical problem that this utility model solved is: the vim and vigour hemostix, comprise syringe, piston handle and syringe needle, and an end of syringe is provided with nipple; Pinhead sleeve is loaded on the nipple; Piston handle is slidingly mounted in the cavity volume of syringe, and an end of piston handle is provided with piston, and piston has at least one circulation tract; Be provided with the filter membrane of permeable watertight in the circulation tract; Piston face is provided with at least two annular sealing rings, and an end that is connected with piston handle on the piston is provided with the exhaust passage, and the exhaust passage is connected with the circulation tract.

As optimized technical scheme, the needle tip of syringe needle is acute angle-shaped.

As optimized technical scheme, the vim and vigour hemostix also comprises the cock body that is used to seal the pin hole on the said syringe needle.

As optimized technical scheme, scribble the heparin agent on the cavity volume inwall of syringe.

As optimized technical scheme, be provided with the scraps of paper that scribble heparin in the cavity volume of syringe.

After having adopted technique scheme, the beneficial effect of this utility model is: adopt medical treatment at present to go up plastic injector for temporary use commonly used, the piston of the inside of syringe is transformed, promptly piston is extended; On the basis that guarantees sealing, behind two sealing rings of front end on the piston, make radial steam vent, continue backward, along processing upper groove on the axial sealing ring of piston; Be air discharge duct, steam vent and air discharge duct promptly form the exhaust passage, and blood gets into syringe when so just having realized blood sampling; Along with the entering of blood, gas is discharged from the exhaust passage in the syringe, has realized the function of blood sampling; Only the piston of syringe is made, other mould does not need to change low preparation cost; Not 1/20th of external up till now syringe price, practiced thrift social cost, alleviated patient's financial burden.

Because the needle tip of syringe needle is acute angle-shaped, more helps thrusting skin and takes a blood sample.。

Owing to be provided with the cock body of the pin hole of sealing on the syringe needle, can prevent that blood completely cuts off with air in pollution and the blood sampling back syringe after the syringe needle blood sampling.

Owing to scribble the heparin agent or in the cavity volume of syringe, be provided with the scraps of paper that scribble heparin on the syringe inwall, blood is played anticoagulation.

Description of drawings

Fig. 1 is the package assembly sketch map of this utility model vim and vigour hemostix;

Fig. 2 is the structure of piston sketch map in this utility model vim and vigour hemostix;

Fig. 3 is the structural representation of the syringe needle in this utility model vim and vigour hemostix;

Among the figure: 1. syringe, 2. syringe needle, 3. piston handle, 4. piston, 5. nipple, 6. sealing ring, 7. circulation tract, 8. filter membrane, 9. exhaust passage, 10. guard shield.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment, further set forth this utility model, should be understood that these embodiment only be used to this utility model is described and be not used in the restriction this utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to this utility model after the content of having read this utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Shown in Fig. 1, Fig. 2 and Fig. 3 were common, the vim and vigour hemostix was made up of syringe 1, piston handle 3 and syringe needle 2; Syringe 1 inner hollow, an end of syringe 1 is provided with nipple 5, and the cavity volume that forms between piston 4 on the piston handle 3 and the nipple 5 on the syringe 1 is the blood chamber of containment blood; Syringe needle 2 is set on the nipple 5, and piston handle 3 slips into from the other end of syringe 1 in the cavity volume of syringe 1 and can slidably reciprocate, and an end of piston handle 3 is provided with piston 4; Be provided with at least one circulation tract 7 in the piston 4, in the circulation tract 7 of piston 4, be filled with the filter membrane 8 of permeable watertight, an end that is connected with piston handle 3 on the piston 4 is provided with exhaust passage 9; Be steam vent and air discharge duct, exhaust passage 9 communicates with circulation tract 7, on piston 4 surfaces, is provided with the annular sealing ring 6 of being close to syringe 1 cavity volume inwall; Blood in the blood chamber in the syringe 1 plays sealing function, and the needle tip of syringe needle 2 is acute angle-shaped, more helps thrusting skin and takes a blood sample; At the cock body that is set with the pin hole on the sealing syringe needle 2 on the syringe needle 2, cock body is in guard shield 10, and the time spent is not in time with syringe needle 2 sealings; Avoid contaminated blood, this structure of employing vim and vigour hemostix just can be with the air in the syringe 1 when blood flows into blood chamber, because of the filter membrane 8 that permeable watertight is arranged; So can air be discharged and blood can't be discharged from steam vent, accomplish blood collection procedure.

Embodiment 1: be immersed in syringe 1 in the heparin liquid or interior dress heparin liquid, heparin liquid is dried or dry, so just on the inwall of syringe 1 cavity volume, scribbled the heparin agent, can play anticoagulation to the blood after the blood sampling.

Embodiment 2: the scraps of paper immersion heparin liquid with being prone to soak suction, dry the solid-state heparin agent of formation, and solid-state heparin agent is positioned in the syringe 1, can play anticoagulation to the blood after the blood sampling.

Concrete work process: after assembling hemostix, during blood sampling, piston handle 3 is moved outward; Make the blood chamber that forms the ability containment blood in the syringe 1, syringe needle 2 is thrust the skin that needs to gather the blood patient, the effect of pressure certainly in the blood in the tremulous pulse; Blood is flowed in the syringe 1 from syringe needle 2, and the circulation tract 7 in the air admission piston 4 in the syringe 1 is through the filter membrane 8 of permeable watertight; 9 drain from the exhaust passage, and because of the influence of the filter membrane 8 of permeable watertight, blood no longer flows out after being full of the blood chamber of containment blood; Just can extract syringe needle 2, the heparin agent in the syringe 1 is played anticoagulation to blood; In time seal up syringe needle 2 with cock body, secluding air prevents air pollution blood.

Adopt medical treatment at present to go up plastic injector for temporary use commonly used, the piston of the inside of syringe is transformed, promptly the piston lengthening is indeformable for guaranteeing piston mass; The surface is the sealing ring 6 that is uniformly distributed with, and preceding two seals ring 6 guarantees sealing, on the basis of sealing, is making radial steam vent on the piston behind the two seals ring 6; Along air discharge duct in the axial processing of piston, promptly form exhaust passage 9 and be convenient to aerofluxus, blood gets into syringe 1 when so just having realized blood sampling; Along with the entering of blood, gas is discharged from steam vent and air discharge duct in the syringe 1, has realized the function of blood sampling; Only the piston of syringe is made, other mould does not need to change low preparation cost; Not 1/20th of external up till now syringe price, practiced thrift social cost, alleviated patient's financial burden.

Because syringe contains the heparin agent; Blood is played anticoagulation, and being provided with can be with the cock body of the pin hole on the syringe needle 2 sealing, can prevent the air pollution of blood in pollution and the blood sampling back syringe before the syringe needle blood sampling; The outer surface of syringe 1 is provided with scale; The time can mix up capacity according to scale in advance in blood sampling, make things convenient for operation, accurate blood sampling volume.

The difference that plastic injector for temporary use commonly used is compared in this kind vim and vigour hemostix and the medical treatment is: the piston to syringe is transformed; The completion back is provided with solid-state heparin agent in syringe 1, manufacturing process is simple, only the grinding tool of piston is made; What other mould utilization was original can make; So just being of value to manufacturing enterprise does not need much improvement can carry out production and processing, and the production cost of processing is very cheap, and the disposable common syringe cost of selling on the market now is about about 0.2 to 0.3 yuan; Than 20 yuan of the hemostixes of domestic import, cheap.

This utility model reasonable in design on the basis of disposable ordinary syringe, is transformed, and has solved the high problem of production cost, makes the cost cost low, has reduced social cost, has alleviated patient's medical burden.

More than show and described the advantage of ultimate principle, principal character and this utility model of this utility model.The technical staff of the industry should understand; This utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the description that this utility model just is described; Under the prerequisite that does not break away from this utility model spirit and scope, this utility model also has various changes and modifications, and these variations and improvement all fall in this utility model scope that requires protection.This utility model requires protection domain to be defined by appending claims and equivalent thereof.

All are from the design of this utility model, and the reconfiguration of having done without creative work all drops within this utility model protection domain.

Claims

1. the vim and vigour hemostix comprises syringe, piston handle and syringe needle, and an end of said syringe is provided with nipple; Said pinhead sleeve is loaded on the said nipple, and said piston handle is slidingly mounted in the cavity volume of said syringe, and an end of said piston handle is provided with piston; Said piston has at least one circulation tract; Be provided with the filter membrane of permeable watertight in the said circulation tract, said piston face is provided with at least two annular sealing rings, it is characterized in that; An end that is connected with said piston handle on the said piston is provided with the exhaust passage, and said exhaust passage is connected with said circulation tract.

2. vim and vigour hemostix according to claim 1 is characterized in that the needle tip of said syringe needle is acute angle-shaped.

3. vim and vigour hemostix according to claim 1 is characterized in that, said vim and vigour hemostix also comprises the cock body that is used to seal the pin hole on the said syringe needle.

4. according to the described vim and vigour hemostix of the arbitrary claim of claim 1 to 3, it is characterized in that, scribble the heparin agent on the cavity volume inwall of said syringe.

5. according to the described vim and vigour hemostix of the arbitrary claim of claim 1 to 3, it is characterized in that, be provided with the scraps of paper that scribble heparin in the cavity volume of said syringe.