CN208640724U - A kind of hepatopathy section blood taking instrument - Google Patents

Abstract

The utility model relates to a kind of hepatopathy section blood taking instruments, tank is held including blood, the blood holds pot bottom two sides equipped with drainage tube, the draft tube bottom is equipped with fixture nut, the fixture nut bottom has been connected through a screw thread sampling test tube, the blood holds tank top equipped with the first hose, first hose is connected with counterflow-preventing valve body far from one end that blood holds tank, valve for preventing reverse-flow intracoelomic cavity two sides are fixed with support protrusion, the support protrusion bottom is fixed with spring stack, the spring column bottom is fixed with counterflow-preventing piston, the counterflow-preventing body base is fixed with the second hose, second hose bottom is fixed with needle stand, the needle stand bottom is fixed with puncture needle, puncture needle protective cap is fixedly installed by holding tank side in blood, and aseptic cotton is set in puncture needle protective cap inner cavity, it can To carry out disinfection to puncture needle, infection human body is prevented, by the way that hander convenient pin is arranged, guarantees that blood collection procedure orderly carries out.

Description

A kind of hepatopathy section blood taking instrument

Technical field

The utility model relates to a kind of hepatopathy section blood taking instruments, belong to area of medical devices.

Background technique

On clinical liver disease, it is often necessary to carry out blood test, since project of the hepatopathy to blood testing is more, it is fixed to generally require When, the amount of not timing draw blood, and draw blood every time it is relatively all bigger, the plastic cement handle of now current blood taking needle with connect Cap links together, and when use, which needs to twist into two parts protective cap, to be pulled out, tip portion and protective cap relative rotation, the meeting of needle point position With the plastic powders wiped are scraped, after needle point is pierced into human skin, human body can be entered with blood, done harm to huamn body；It is quiet The heparin tube of arteries and veins hemostix carries out the acquisition of blood using the principle of negative pressure of vacuum, and invisible spectro negative pressure is excessive to be easy to appear haemolysis Phenomenon, negative pressure is relatively large, and blood inflow test tube bottom excessive velocities are too quickly, and red blood cell is caused mutually to hit, and causes red blood cell broken It splits, sample hemolysis；When carrying out blood collection to blood sampling person, when amount of blood collected cannot reach required amount of blood collected, Secondary acquisition need to be carried out, it is time-consuming and laborious；Existing hemostix, when completing blood collection, when operator fails to detach in time Hemostix will form certain pressure difference, lead to blood back flow, pollute the blood of acquisition, and existing blood drawing procedures are usually to adopt With syringe, extracts and be contained in test tube after blood and chemically examined, the blood drawing ability of syringe is weaker, cumbersome, inconvenient, shadow The working efficiency of medical worker is rung.Notification number is a kind of hepatopathy section bloodletting instrument of CN205107700U, provides one kind The thinking of feasibility devises a kind of spongy layer, connecting band structure for being coated on blood drawing position, partially solves the above problem, But be limited to the design of its structure, do not have practicability clinically, it is most important when being a lack of blood drawing to the beam of upper end vein Locking structure, protection, heat preservation, moisturizing after being only used for blood drawing, is not achieved the technical purpose efficiently drawn blood, needs further to change Into.

Utility model content

The technical problems to be solved in the utility model overcomes existing defect, provides a kind of hepatopathy section blood taking instrument, protects Card blood collection procedure orderly carries out, and holds blood sample extraction of tank by the way that blood is arranged for repeatedly chemically examining, prevents from repeating to take a blood sample, take It is connected between sample test tube and drainage tube by fixture nut, convenient disassembly, can prevent from taking a blood sample by the way that counterflow-preventing valve body is arranged Backflow of blood in journey can avoid plastic powders with blood and enter human body, by the way that hander convenient pin is arranged, by containing in blood Tank side fixed setting puncture needle protective cap is put, and aseptic cotton is set in puncture needle protective cap inner cavity, puncture needle can be carried out Disinfection prevents infection human body, by the way that volume markings line is fixedly installed in sampling test tube side, can control to blood sampling amount System, can effectively solve the problems in background technique.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

A kind of hepatopathy section blood taking instrument, including blood hold tank, and the blood holds pot bottom two sides and is equipped with drainage tube, The draft tube bottom is equipped with fixture nut, and the fixture nut bottom has been connected through a screw thread sampling test tube, and the blood is contained Tank top is put equipped with the first hose, first hose is connected with counterflow-preventing valve body far from one end that blood holds tank, described anti- Adverse current body cavity two sides are fixed with support protrusion, and the support protrusion bottom is fixed with spring stack, the spring stack bottom Portion is fixed with counterflow-preventing piston, and the counterflow-preventing body base is fixed with the second hose, and second hose bottom is fixed Equipped with needle stand, the needle stand bottom is fixed with puncture needle.

Furthermore, second hose two sides are symmetrically arranged with hander.

Furthermore, the blood holds tank side and is fixed with puncture needle protective cap, and the puncture needle protective cap Inner cavity is equipped with aseptic cotton.

Furthermore, the drainage tube side is fixed with first flow valve, and is socketed on the first flow valve Rubber sleeve.

Furthermore, first hose side is equipped with second flow valve, and is socketed with rubber on the second flow valve Gum cover.

Furthermore, the sampling test tube side is fixed with volume markings line.

For the utility model the utility model has the advantages that a kind of hepatopathy section blood taking instrument involved in the utility model, structure is simple, if Meter rationally, guarantees that blood collection procedure orderly carries out, and holds blood sample extraction of tank by the way that blood is arranged for repeatedly chemically examining, prevents weight Second mining blood is connected between sampling test tube and drainage tube by fixture nut, convenient disassembly, can be prevented by the way that counterflow-preventing valve body is arranged The backflow of blood in blood collection procedure can avoid plastic powders with blood and enter human body, by the way that hander convenient pin is arranged, passes through Tank side fixed setting puncture needle protective cap is held in blood, and aseptic cotton is set in puncture needle protective cap inner cavity, it can be to wearing Pricker carries out disinfection, and prevents infection human body, can be to blood testing by the way that volume markings line is fixedly installed in sampling test tube side Amount is controlled.

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.

Fig. 1 is a kind of main view of hepatopathy section blood taking instrument of the utility model.

Fig. 2 is a kind of counterflow-preventing valve body cross-sectional view of hepatopathy section blood taking instrument of the utility model.

Fig. 3 is a kind of puncture needle protective cap cross-sectional view of hepatopathy section blood taking instrument of the utility model.

Figure label: 1, blood holds tank；2, drainage tube；3, fixture nut；4, sampling test tube；5, the first hose；6, prevent Adverse current valve body；7, support protrusion；8, spring stack；9, counterflow-preventing piston；10, the second hose；11, needle stand；12, puncture needle；13, hand Holder；14, puncture needle protective cap；15, first flow valve；16, second flow valve.

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.

As Figure 1-Figure 2, a kind of hepatopathy section blood taking instrument, including blood hold tank 1, and the blood holds 1 bottom of tank Portion two sides are equipped with drainage tube 2, and 2 bottom of drainage tube is equipped with fixture nut 3, and 3 bottom of fixture nut is connected through a screw thread There are sampling test tube 4, convenient disassembly, the blood holds and is equipped with the first hose 5 at the top of tank 1, and first hose 5 is contained far from blood The one end for putting tank 1 is connected with counterflow-preventing valve body 6, prevents backflow of blood, and the 6 inner cavity two sides of counterflow-preventing valve body are fixed with support Protrusion 7,7 bottom of support protrusion is fixed with spring stack 8, and 8 bottom of spring stack is fixed with counterflow-preventing piston 9, institute It states 6 bottom of counterflow-preventing valve body and is fixed with the second hose 10,10 bottom of the second hose is fixed with needle stand 11, the needle stand 11 bottoms are fixed with puncture needle 12.

Second hose, 10 two sides are symmetrically arranged with hander 13, convenient pin, and the blood holds the fixation of 1 side of tank and sets There is puncture needle protective cap 14, and 14 inner cavity of puncture needle protective cap is equipped with aseptic cotton, prevents puncture needle 12 from infecting, the drainage 2 side of pipe is fixed with first flow valve 15, and rubber sleeve, sample flow controlling party are socketed on the first flow valve 15 Just, 5 side of the first hose is equipped with second flow valve 16, and is socketed rubber sleeve, blood stream on the second flow valve 16 Measure easy to control, 4 side of sampling test tube is fixed with volume markings line, and sampling is accurate.

Utility model works principle: puncture needle 12 is extracted out of puncture needle protective cap 14 when use, hand pinches hand-held Device 13 carries out acupuncture treatment to human body using puncture needle 12 and takes blood, and blood flows into counterflow-preventing valve body 6 through the second hose 10, utilizes blood Kinetic energy promotes counterflow-preventing piston 9 to move upwards and guarantees that blood normally flows into blood through the first hose 5 and holds tank 1, opens first-class It measures valve 15 and controls blood inflow sampling test tube 4, setting blood holds 1 blood samples of tank and extracts for repeatedly chemically examining, prevents from repeating Blood sampling, promoting counterflow-preventing piston 9 to move downward using the kinetic energy of blood when blood generates refluence trend prevents backflow of blood.

The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical Novel protection scope.

Claims (6)

1. a kind of hepatopathy section blood taking instrument, including blood hold tank (1), which is characterized in that the blood holds tank (1) bottom Two sides are equipped with drainage tube (2), and drainage tube (2) bottom is equipped with fixture nut (3), and fixture nut (3) bottom passes through spiral shell Line is connected with sampling test tube (4), and the blood holds and is equipped with the first hose (5) at the top of tank (1), and first hose (5) is separate One end that blood holds tank (1) is connected with counterflow-preventing valve body (6), and counterflow-preventing valve body (6) the inner cavity two sides are fixed with support Raised (7), support protrusion (7) bottom are fixed with spring stack (8), and spring stack (8) bottom is fixed with counterflow-preventing Piston (9), counterflow-preventing valve body (6) bottom are fixed with the second hose (10), and the second hose (10) bottom fixation is set Have needle stand (11), needle stand (11) bottom is fixed with puncture needle (12).

2. a kind of hepatopathy section blood taking instrument according to claim 1, it is characterised in that: the second hose (10) two sides It is symmetrically arranged with hander (13).

3. a kind of hepatopathy section blood taking instrument according to claim 1, it is characterised in that: the blood holds tank (1) one Side is fixed with puncture needle protective cap (14), and puncture needle protective cap (14) inner cavity is equipped with aseptic cotton.

4. a kind of hepatopathy section blood taking instrument according to claim 1, it is characterised in that: drainage tube (2) side is solid Surely first flow valve (15) are equipped with, and are socketed rubber sleeve on the first flow valve (15).

5. a kind of hepatopathy section blood taking instrument according to claim 1, it is characterised in that: the first hose (5) side Rubber sleeve is socketed equipped with second flow valve (16), and on the second flow valve (16).

6. a kind of hepatopathy section blood taking instrument according to claim 1, it is characterised in that: sampling test tube (4) side It is fixed with volume markings line.