CN205359488U - Artery blood collector - Google Patents

Abstract

The utility model provides an artery blood collector. Artery blood collector includes syringe needle, cylinder and sample container, the syringe needle with cylinder fixed connection runs through the cylinder, the sample container accept in the cylinder and with the connection can be dismantled to the syringe needle, the syringe needle is including closing on the feedback syringe needle end of sample container, the sample container includes test tube, sealing plug and empty space, sealing plug interference fit in the open end of test tube, the empty space by the test tube with the sealing plug seals the back evacuation and forms, when artery blood collector is unoperated state, feedback syringe needle end is located in the sealing plug, when artery blood collector is operating condition, feedback syringe needle end impales the sealing plug gets into the empty space. The utility model provides an artery blood collector has avoided blood sample and air contact, and blood sampling efficiency and security performance are high.

Description

Arteria hemostix

Technical field

This utility model relates to medical instruments field, is specifically related to one and carries out physiology, biochemical investigation disposable arteria hemostix for medical and health organization.

Background technology

Arterial blood drawing technology is nursing procedure conventional in clinical position, and respiratory system disease particularly determining whether, the state of an illness of anoxia and carbon dioxide retention etc. judges it is indispensable means.

At present, the artery blood sampling equipment used clinically, mostly is blood collecting containers and blood taking needle is integrated or uses the moistening syringe of heparin sodium liquid to be directly prepared into.As adopted blood collecting containers and blood taking needle integrated device, after blood sampling, syringe needle needs to block with plug immediately, enter air and affect Results of Blood-gas time otherwise easily because of blood sampling, and in the process transfer to laboratory, there will be syringe joint shirk the possibility causing specimen to pollute and lost efficacy.As used heparin sodium liquid to moisten the device that syringe is directly prepared into, in heparin sodium liquid is prepared, it is easily generated deviation, also affects Results of Blood-gas.And these two kinds of methods are in actual mechanical process, all easily there is the situation of pricking wound medical personnel, the personal safety of serious threat medical personnel.

Utility model content

Easily contacting with air and the technical problem of impact analysis result and easily generation pricking wound for solving existing artery blood sampling equipment arterial blood, this utility model provides a kind of avoiding and air contact and the disposable arteria hemostix being not susceptible to pricking wound.

This utility model provides a kind of arteria hemostix, including syringe needle, syringe and specimen container, described syringe needle is fixing with described syringe to be connected and runs through described syringe, described specimen container is contained in described syringe and removably connects with described syringe needle, described syringe needle includes the feedback needle end closing on described specimen container, described specimen container includes test tube, sealing-plug and vacuum space, described sealing-plug is in interference fit with the opening of described test tube, after described vacuum space is closed by described test tube and described sealing-plug, evacuation is formed, when described arteria hemostix is off working state, described feedback needle end is located in described sealing-plug, when described arteria hemostix is duty, described feedback needle end pierces through described sealing-plug and enters described vacuum space.

In a kind of preferred embodiment of the described arteria hemostix of this utility model offer, described sealing-plug includes body and depressed part, described body is in interference fit with the opening of described test tube, and one end that described depressed part closes on described vacuum space from described body is formed to described syringe needle direction depression.

In a kind of preferred embodiment of the described arteria hemostix of this utility model offer, described depressed part cross section on its depression direction is semicircle.

In a kind of preferred embodiment of the described arteria hemostix of this utility model offer, described syringe needle is two-way one double needle, described syringe needle also includes blood taking needle head end and transparent tube, described blood taking needle head end is located at described syringe needle one end away from described specimen container, and described transparent tube is located between described blood taking needle head end and described feedback needle end.

In a kind of preferred embodiment of the described arteria hemostix of this utility model offer, described syringe and transparent tube material are transparent material.

In a kind of preferred embodiment of the described arteria hemostix of this utility model offer, described arteria hemostix also includes needle cap, and needle cap is sheathed on described syringe one end away from described specimen container, and houses described syringe needle.

In a kind of preferred embodiment of the described arteria hemostix provided at this utility model, described syringe adopts transparent material to make, including end, the sidewall extended from described end and from the outward extending lobe of described sidewall.

The described arteria hemostix that this utility model provides has the advantages that

One, passing through, described sealing-plug is set and is connected the described vacuum space of formation with described specimen container test tube interference seal, the easy pierce of described sealing-plug material and self-enclosed function have ensured that blood sample enters the closure of the blood sample of described specimen container test tube after sealing-plug described in described needle pierces, it is to avoid with air contact.

Two, by the detachable design of described syringe needle and described specimen container, it is ensured that use safety, it is to avoid pricking wound.

Three, by arranging described depressed part, make middle piercing portions thinning, save material further, reduce cost, and use less puncture force that sealing-plug described in described needle point pierce can be made to enter described vacuum space.

Four, passing through to arrange described depressed part cross section is that semicircular structure can increase the restorability piercing through rear described sealing-plug, increase the self sealss of described test tube and described sealing-plug, extend the described arteria hemostix vacuum retention time, ensure the air-tightness of described specimen container after taking a blood sample.

Five, by arranging the needle cap that be connected supporting with described syringe, the personal safety of medical personnel can be ensured further, take precautions against pricking wound.

Six, by arranging described lobe, the dynamics of sealing-plug described in the described feedback needle pierces that described syringe drives one to connect of holding can be increased further.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:

The generalized section of arteria hemostix one preferred embodiment that Fig. 1 provides for this utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.

Refer to Fig. 1, for the generalized section of arteria hemostix one preferred embodiment that this utility model provides.Described arteria hemostix 100 includes syringe needle 1, syringe 2, specimen container 3 and needle cap 4, described syringe needle 1 is fixing with described syringe 2 to be connected and runs through described syringe 2, described specimen container 3 is contained in described syringe 2 and removably connects with described syringe needle 1, and needle cap 4 removably connects with described syringe 2 is supporting.

Described syringe needle 1 is connected for the through double needle of two-way one being fixed as one with described syringe 2.Described syringe needle 1 includes blood taking needle head end 11, feeds back needle end 13 and transparent tube 15, described blood taking needle head end 11 is disposed far from one end of described specimen container 3, described feedback needle end 13 is located at the one end to described specimen container 3, described transparent tube 15 is located between described blood taking needle head end 11 and fed back needle end 13, described transparent tube 15 is transparent material, sees whether to insert tremulous pulse during convenient blood sampling.

Described syringe 2 adopts transparent material to make, including end 21, from the sidewall 22 of described end 21 extension with from the outward extending lobe 23 of described sidewall 22, described syringe needle 1 is disposed through described end 21, described end 21 and described sidewall 22 surround the receiving space of one end open, house described specimen container 3.In actual mechanical process, palm can prop up described lobe 23 with described syringe 2 while contacting, and increases impetus.

Described specimen container 3 includes test tube 31, sealing-plug 33 and vacuum space 35, described test tube 31 one end open and inner hollow, described test tube 31 outer surface is carved with scale, the interference of described sealing-plug 33 is sheathed on the opening of described test tube 31, described feedback needle end 13 is inserted in described sealing-plug 33, and described vacuum space 35 is closed the inner space evacuation formed and realized by described test tube 31 and sealing-plug 33.It is preset with anticoagulant in described vacuum space 35, removes or suppress the thrombin in blood, stop blood coagulation.

The interference of described sealing-plug 33 is sheathed on the opening of described test tube 31, and described vacuum space 35 keeps vacuum to produce pressure differential, this pressure differential ensures the maintenance vacuum state of described vacuum space 35 energy longer time, and sealing-plug 33 sealing is bigger along with pressure differential, the self sealss power of described body 33 is also bigger, thus after being achieved that described specimen container 3 is separated, the self sealss of described sealing-plug 33, extend the vacuum retention time of described arteria hemostix 100.

When described arteria hemostix 100 is off working state, described specimen container 3 is contained in described syringe 2, and described feedback needle end 13 is inserted in described sealing-plug 33.When using described arteria hemostix 100, the blood taking needle head end 11 of described syringe needle 1 inserts patient artery, the described feedback needle end 13 of described syringe needle 1 pierces through described sealing-plug 33, insert in described test tube 31, under suction function, arterial blood enters described test tube 31, described syringe needle 1 is pulled up in blood specimen collection after reaching required scale, and then from described syringe 2, remove described specimen container 3, realize described specimen container 3 and described syringe 2 sharp separation, finally the described specimen container 3 containing blood sample is stored in time or is used for Clinical Laboratory.

Described sealing-plug 33 includes body 331 and depressed part 333, described body 331 is in interference fit with the opening of described test tube 31, one end that described depressed part 333 closes on described vacuum space 35 from described body 331 is formed to described syringe needle 1 direction depression, and in the cross section that described depressed part 333 caves on direction for semicircle.By setting up described depressed part 333, make middle piercing portions thinning, using less puncture force that described syringe needle 1 can be made to pierce through described sealing-plug 33, described depressed part 333 cross section is set to semicircle, air-tightness after can increasing the restorability piercing through rear Air-tight piston material and then increasing puncture.

Needle cap 4 is pyramid type, and one end of its major diameter is opening, and one end of minor diameter is blind end, and needle cap 4 removably connects with described syringe 2 is supporting, forms receiving space.Specifically, needle cap 4 is covered on described syringe 2 one end near described blood taking needle head end 11, and described blood taking needle head end 11 is contained in needle cap 4.Needle cap 4 can take precautions against pricking wound, ensures the personal safety of medical personnel.

The using method of described arteria hemostix 100: take needle cap 4, hold described hemostix 100 to puncture, after the blood taking needle head end 11 of described syringe needle 1 inserts patient artery, because the material of described syringe 2 and transparent tube 15 is the transparent material such as plastics or glass, arterial blood can be seen in described syringe 2, now push described specimen container 3.The feedback needle end 13 of described syringe needle 1 pierces through described sealing-plug 33 and enters the described test tube 31 of vacuum state.Under suction function, arterial blood enters container and mixes with anticoagulant, collection makes patient separate with syringe needle 1 after reaching required scale, taking out described specimen container 3, described specimen container 3 separates with described syringe needle 1, and the self-enclosed restoring function of described sealing-plug 33 material has ensured sealing.In described specimen container 3, institute's blood sampling and anticoagulant mix gently, and laboratory can be sent to check.

The described arteria hemostix 100 that this utility model provides has the advantages that

One, passing through, described sealing-plug 33 is set and is connected the described vacuum space 35 of formation with described test tube 31 interference seal, the self-enclosed function of easy pierce of described sealing-plug 33 material has ensured that described syringe needle 1 pierces through blood sample after described sealing-plug 33 and enters the closure of the blood sample of described test tube 31, it is to avoid with air contact.

Two, by the detachable design of the feedback needle end of described syringe needle 1 13 and described specimen container 3, it is ensured that use safety, it is to avoid pricking wound.

Three, by arranging described depression 333, make middle piercing portions thinning, save material further, reduce cost, and use less puncture force that sealing-plug 33 described in described syringe needle 1 pierce can be made to enter described vacuum space 35.

Four, passing through to arrange described depressed part 331 cross section is that semicircular structure can increase the restorability piercing through rear described sealing-plug 33, increase the self sealss of described test tube 31 and described sealing-plug 33, extend the described arteria hemostix 100 vacuum retention time, ensure the air-tightness of described specimen container 3 after taking a blood sample.

Five, by arranging the needle cap 4 that be connected supporting with described syringe 2, the personal safety of medical personnel can be ensured further, take precautions against pricking wound.

Six, by arranging described lobe 23, the described feedback needle end 13 holding the drive one connection of described syringe 2 can be increased further and pierce through the dynamics of described sealing-plug 33.

The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in scope of patent protection of the present utility model.

Claims (7)

1. an arteria hemostix, it is characterized in that, including syringe needle, syringe and specimen container, described syringe needle is fixing with described syringe to be connected and runs through described syringe, described specimen container is contained in described syringe and removably connects with described syringe needle, described syringe needle includes the feedback needle end closing on described specimen container, described specimen container includes test tube, sealing-plug and vacuum space, described sealing-plug is in interference fit with the opening of described test tube, after described vacuum space is closed by described test tube and described sealing-plug, evacuation is formed, when described arteria hemostix is off working state, described feedback needle end is located in described sealing-plug, when described arteria hemostix is duty, described feedback needle end pierces through described sealing-plug and enters described vacuum space.

2. arteria hemostix according to claim 1, it is characterized in that, described sealing-plug includes body and depressed part, and described body is in interference fit with the opening of described test tube, and one end that described depressed part closes on described vacuum space from described body is formed to described syringe needle direction depression.

3. arteria hemostix according to claim 2, it is characterised in that described depressed part cross section on its depression direction is semicircle.

4. arteria hemostix according to claim 1, it is characterized in that, described syringe needle is two-way one double needle, described syringe needle also includes blood taking needle head end and transparent tube, described blood taking needle head end is located at described syringe needle one end away from described specimen container, and described transparent tube is located between described blood taking needle head end and described feedback needle end.

5. arteria hemostix according to claim 1, it is characterised in that described syringe and transparent tube material are transparent material.

6. arteria hemostix according to claim 1, it is characterised in that described arteria hemostix also includes needle cap, needle cap is sheathed on described syringe one end away from described specimen container, and houses described syringe needle.

7. arteria hemostix according to claim 1, it is characterised in that described syringe includes end, the sidewall extended from described end and from the outward extending lobe of described sidewall.