CN201537092U - Blood taking needle - Google Patents
Blood taking needle Download PDFInfo
- Publication number
- CN201537092U CN201537092U CN2009202183374U CN200920218337U CN201537092U CN 201537092 U CN201537092 U CN 201537092U CN 2009202183374 U CN2009202183374 U CN 2009202183374U CN 200920218337 U CN200920218337 U CN 200920218337U CN 201537092 U CN201537092 U CN 201537092U
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- CN
- China
- Prior art keywords
- pulling
- seat
- shell body
- needle
- pushes away
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a blood taking needle which mainly comprises a shell, a pushing base, a needle base, a pressure accumulative elastic return part and a safety switch component; the shell is provided with an inner wall, a containing space, a needle outlet and an inserting set end, and a through convex ring edge is formed in the shell, and the through convex ring edge and the inner wall form a demising groove which is provided with a cone-expanding inclined end surface and is used for releasing; the pushing base is assembled in the containing space of the shell in a sliding state, and comprises a control end head and a bar section which is provided with an axial groove chamber for leading the bar section to form two elastic release pieces and be accommodated inside the demising groove for releasing; and a propping inclined edge is formed at the bottom end of the elastic release piece, and the propping inclined edge and the cone-expanding inclined end surface of the release groove for releasing form an inclined surface and prop against each other in a matching way. The product of the utility model can be widely applicable to various occasions on which the blood taking needle is needed.
Description
Technical field
This utility model relates to a kind of blood taking needle, especially relates to a kind ofly can simplifying member and reducing manufacturing cost and with the innovative blood taking needle of safety in utilization.
Background technology
General blood taking needle mainly is made of a housing, a spring, a pricker, a push rod, yet relevant dealer can organize between push rod and housing for the restoring force that increases pricker and be provided with two flexure strips, make this blood taking needle after the blood sampling operation finishes, this pricker can be accommodated in the housing, but, still exist whole group member various and increase the shortcoming of cost on the known blood taking needle of this kind is used.
Moreover, general blood taking needle is when thorn is taken a blood sample, need carry out drawing the pin operation earlier, be about to a push rod and be pushed into firing position, and then push firing button to carry out the thorn blood sampling, but this push rod may be careless or be pushed into firing position by other people and know, unexpected percussion thorn accident so may take place, and causes the dangerous problem of hiding.
In view of this, the present utility model people is active development research, and for improving the deficiency of the said goods, through the permanent research and experiment of making great efforts, development and Design goes out blood taking needle of the present utility model finally.
The utility model content
The technical problems to be solved in the utility model provides a kind of blood taking needle, can solve that blood taking needle in the prior art is pulled the trigger easily and member complexity, problem that cost is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of blood taking needle, and it comprises: a shell body, have an inwall, and form an accommodation space in inside, these accommodation space two ends define a needle outlet and a socket assembling end relatively; Have release that awl expands angled end-face with allowing groove, by running through convex ring edge to having protruded out one in this shell body inwall, and this runs through contiguous this shell body inwall of convex ring edge and forms an awl and expand angled end-face so that should awl expansion angled end-face and shell body inwall formation one release with allowing groove; One pushes away the seat of pulling, be mounted in the accommodation space of this shell body and be removable state, this pushes away the seat of pulling and includes a control termination and a bar section, and this bar section offers an axial groove chamber so that this bar section forms two elasticity releasing pieces, and this two elasticity releasing piece can para-position be located in this release with allowing groove; Against beveled edge, be arranged at the bottom of this elasticity releasing piece, describedly be the inclined-plane mated condition that leans with allowing the awl of groove expand angled end-face against beveled edge and this release; One needle stand includes a connection terminal and a pricker, and described connection terminal is mounted on this axial groove chamber that pushes away the seat of pulling; One pressure accumulation elastic reset spare, be mounted between this axial groove chamber and needle stand that pushes away the seat of pulling, be the state that elastic force is accumulated in precompressed under this pressure accumulation elastic reset spare normality, so that after this pressure accumulation elastic reset spare elastic force release, but this needle stand of interlock has towards the inner to the elastic reset characteristic it; One safety switch member is movable state and constitutes pricker and can protrude out the needle outlet of this shell body and can puncture by blood sampling person's skin so that this pushes away the seat of pulling, and perhaps makes this push away the seat of pulling and forms a restraint state.
Preferably, wherein this safety switch member includes a stopper slot and two fixing projections, and described stopper slot is formed at this shell body inwall, and then this fixing projection is arranged at this and pushes away the bar section of the seat of pulling and the wall of relative this axial groove chamber; Described stopper slot generally is a L shaped kenel and defines and is formed with an axial chase and a hoop chase.
Preferably, wherein these pressure accumulation elastic reset spare two ends respectively with this needle stand one end and push away the seat of pulling a set projection is connecting state in the axial groove chamber in the control termination.
Preferably, wherein this axial groove chamber that pushes away the seat of pulling is formed with a shoulder, for the connection terminal breasting of needle stand.
Preferably, wherein the socket assembling end periphery of this shell body all is a multiangular section kenel with the control termination that pushes away the seat of pulling, but so that the socket assembling end periphery of this shell body and pressure accumulation draw the control termination of the seat of pulling to be relative engagement, this needle stand is treats the percussion state.
Preferably, wherein the pricker outer cover group of this needle stand has a pricker external member, and this pricker external member, and is and protrudes out this needle outlet toward accommodation space direction insert group by the needle outlet of this shell body.
After adopting the technical solution of the utility model, make member be simplified and reduced manufacturing cost simultaneously, can avoid blood taking needle to be pulled the trigger easily, and have splendid precaution function, to guarantee using peace, have the characteristics that to distinguish the user mode of blood taking needle easily simultaneously.
Description of drawings
Fig. 1 is the combination stereogram of this utility model preferred embodiment.
Fig. 2 is the exploded perspective view of this utility model preferred embodiment.
Fig. 3 is the assembled sectional view of this utility model preferred embodiment.
Fig. 4 is the action sketch map of this utility model preferred embodiment.
Fig. 5 is that this utility model pushes away the seat of pulling and is the section plan of waiting the state of pulling the trigger.
Fig. 6 is that this utility model pushes away the section plan that the seat of pulling is the restraint state.
Fig. 7 is the enforcement illustration that this utility model has additional a pricker external member.
The specific embodiment
Below in conjunction with drawings and embodiments this utility model is described in further detail.
See also Fig. 1 to Fig. 4, be the preferred embodiment of this utility model blood taking needle structure, similarly embodiment only for the usefulness of explanation, is not subjected to the restriction of this structure in patent application.Described blood taking needle A comprises:
One shell body 10 has an inwall 11, and forms an accommodation space 12 in inside, and these accommodation space 12 2 ends define a needle outlet 13 and a socket assembling end 14 relatively;
Have awl and expand the release of angled end-face 15 with allowing groove 16, by running through convex ring edge 17 to having protruded out one in these shell body 10 inwalls 11, and this runs through convex ring edge 17 contiguous these shell body 10 inwalls 11 and forms an awl expansion angled end-face 15, discharges with allowing groove 16 so that this awl expansion angled end-face 15 forms one with shell body 10 inwalls 11;
One pushes away the seat 20 of pulling, be mounted in the accommodation space 12 of this shell body 10 and be removable state, this pushes away the seat 20 of pulling and includes a control termination 21 and a bar section 22, this bar section 22 offers an axial groove chamber 221 so that this bar section 22 forms two elasticity releasing pieces 23, and this two elasticity releasing piece 23 can para-position be located in this release with allowing groove 16;
Against beveled edge 25, be arranged at the bottom of this elasticity releasing piece 23, described against beveled edge 25 and this releases with allowing the awl expansion angled end-face 15 of groove 16 be the inclined-plane mated condition that leans, so that this two elasticity releasing piece 23 is and can outwards supports, even being obtained, this needle stand 30 discharges, therefore make this pricker 32 thorn and expose the needle outlet 13 of this shell body 10 downwards rapidly, so can puncture by blood sampling person's skin, make by blood sampling person's skin and produce the thorn hole, and the convenient nursing personnel collect by blood sampling person's blood;
One needle stand 30 includes a connection terminal 31 and a pricker 32, and described connection terminal 31 is mounted on this axial groove chamber 221 that pushes away the seat 20 of pulling;
One pressure accumulation elastic reset spare 40, be mounted between this axial groove chamber 221 and needle stand 30 that pushes away the seat 20 of pulling, the set card group end 33 of these pressure accumulation elastic reset spare 40 1 ends and needle stand 30 1 ends is the fixing state, be the state that elastic force is accumulated in precompressed under described pressure accumulation elastic reset spare 40 normalities, so that after this pressure accumulation elastic reset spare 40 elastic force release, but be this needle stand 30 of interlock it is had towards the inner to the elastic reset characteristic, make and pricker 32 after the percussion promptly withdraw automatically this pushes away in the axial groove chamber 221 of the seat 20 of pulling;
One safety switch member 50, be movable state and constitute this pricker 32 and can protrude out the needle outlet 13 of this shell body 10 and can puncture so that this pushes away the seat 20 of pulling by blood sampling person's skin, or make this push away the seat 20 formation restraint states of pulling, to avoid blood taking needle A easily by percussion (being shown in Fig. 5).
Wherein, as shown in Figure 5, this safety switch member 50 includes a stopper slot 51 and two and fixes projection 52, and described stopper slot 51 is formed at this shell body 10 inwalls 11, and then this fixing projection 52 is arranged at this and pushes away the bar section 22 of the seat 20 of pulling and the wall of relative this axial groove chamber 221; Described stopper slot 51 generally is a L shaped kenel and defines and is formed with an axial chase 511 and a hoop chase 512.
Wherein, these pressure accumulation elastic reset spare 40 2 ends are respectively with the card group end 33 of this needle stand 30 and push away the control termination 21 of the seat 20 of pulling 221 set projections 222 are connecting state in the axial groove chamber.
Wherein, this axial groove chamber 221 that pushes away the seat 20 of pulling is formed with a shoulder 223, for connection terminal 31 breastings of needle stand 30.
Wherein, socket assembling end 14 peripheries of this shell body 10 are all multiangular section kenel (seeing also shown in Figure 1) with the control termination 21 that pushes away the seat 20 of pulling, so that but socket assembling end 14 peripheries of this shell body 10 are relative engagement with the control termination 21 that pushes away the seat 20 of pulling, user this needle stand 30 is treats percussion state or restriction percussion state, so that can be judged the user mode of this blood taking needle A via naked eyes.
Wherein, take off as Fig. 7, the pricker 32 outer cover groups of this needle stand 30 have a pricker external member 34, and this pricker external member 34, and is and protrudes out this needle outlet 13 toward accommodation space 12 direction insert groups by the needle outlet 13 of this shell body 10, to form protective effect.
Adopt above-mentioned structure, form design, now be described as follows with regard to usage operation situation of the present utility model:
As Fig. 3, shown in Figure 4, at first user can be pushed this control termination 21 that pushes away the seat 20 of pulling, make this bar section 22 that pushes away the seat 20 of pulling move down (with page), simultaneously because this two elasticity releasing piece 23 is located in this release with allowing groove 16, therefore what make this two elasticity releasing piece 23 is the inclined-plane state that cooperatively interacts against beveled edge 25 with discharging with allowing the awl of groove 16 expand angled end-face 15, this two elasticity releasing piece 23 can outwards be supported, make the connection terminal 31 of this needle stand 30 can break away from the shoulder 223 of this axial groove chamber 221, at this moment, this pressure accumulation elastic reset spare 40 is the elasticity release conditions, so that the pricker 32 of this needle stand 30 is and can pulls the trigger downwards and this pricker 32 can be stretched out in needle outlet 13 outsides, and then puncture is at quilt blood sampling person's skin, then, the pricker 32 of this needle stand 30 is subjected to the elastic-restoring force effect of this pressure accumulation elastic reset spare 40, make this needle stand 30 be up mobile status, and this pricker 32 is closed at once again in the accommodation space 12 of this shell body 10 together with pricker 32.
And for example Fig. 5, Fig. 6 disclose, and for the keying view of safety switch member 50, take off as Fig. 5, and when the fixing projection 52 of this safety switch member 50 was positioned at the axial chase 511 of stopper slot 51 relatively, this pushed away the seat 20 of pulling and is movable state; As shown in Figure 6, when the fixing projection 52 of this safety switch member 50 is positioned at the hoop chase 512 of stopper slot 51 relatively, this pushes away the seat 20 of pulling and is the restraint state, can make this blood taking needle A have preferable safety precaution sexual function by this safety switch member 50, with the characteristics of avoiding this pricker 32 to be pulled the trigger easily.
The effect explanation:
It is true as follows that this utility model effect is promoted:
1, this utility model is taken off " blood taking needle " and is mainly utilized and be provided with one in this shell body accommodation space and have awl and expand the release of angled end-face with allowing groove, for this push away the elasticity releasing piece of the seat of pulling set be the innovation unique texture design that the inclined-plane leans and cooperates against beveled edge, make this utility model contrast [prior art] conventional construction of putting forward, because this pushes away the seat of pulling and can lean by this inclined-plane and cooperate and this elasticity releasing piece is outwards to support makes this needle stand reach the purpose of percussion blood sampling, and then reach and simplify member and the preferable industrial economy benefit that reduces manufacturing cost.
2, fixing projection and the stopper slot para-position fit structure kenel of this utility model by this safety switch member is set, make pushing away of this blood taking needle seat of pulling be movable state and constitute the needle outlet that this pricker can protrude out this shell body and reach the blood sampling purpose, or make this push away the seat formation restraint state of pulling, pulled the trigger easily to avoid blood taking needle, and have splendid precaution function, to guarantee the characteristics of safety in utilization.
3, because the socket assembling end periphery of described shell body is all multiangular section kenel with the control termination that pushes away the seat of pulling, so that but the socket assembling end periphery of this shell body is relative engagement with the control termination that pushes away the seat of pulling, this needle stand is treats percussion state or restriction percussion state, so that user can be judged the user mode of this blood taking needle via naked eyes, and then reach the simple and easy characteristics of distinguishing the user mode of blood taking needle.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of this utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. blood taking needle, it is characterized in that: it comprises:
One shell body has an inwall, and forms an accommodation space in inside, and these accommodation space two ends define a needle outlet and a socket assembling end relatively; Have release that awl expands angled end-face with allowing groove, by running through convex ring edge to having protruded out one in this shell body inwall, and this runs through contiguous this shell body inwall of convex ring edge and forms an awl and expand angled end-face so that should awl expansion angled end-face and shell body inwall formation one release with allowing groove;
One pushes away the seat of pulling, be mounted in the accommodation space of this shell body and be removable state, this pushes away the seat of pulling and includes a control termination and a bar section, and this bar section offers an axial groove chamber so that this bar section forms two elasticity releasing pieces, and this two elasticity releasing piece can para-position be located in this release with allowing groove;
Against beveled edge, be arranged at the bottom of this elasticity releasing piece, describedly be the inclined-plane mated condition that leans with allowing the awl of groove expand angled end-face against beveled edge and this release;
One needle stand includes a connection terminal and a pricker, and described connection terminal is mounted on this axial groove chamber that pushes away the seat of pulling;
One pressure accumulation elastic reset spare, be mounted between this axial groove chamber and needle stand that pushes away the seat of pulling, be the state that elastic force is accumulated in precompressed under this pressure accumulation elastic reset spare normality, so that after this pressure accumulation elastic reset spare elastic force release, but this needle stand of interlock has towards the inner to the elastic reset characteristic it;
One safety switch member is movable state and constitutes pricker and can protrude out the needle outlet of this shell body and can puncture by blood sampling person's skin so that this pushes away the seat of pulling, and perhaps makes this push away the seat of pulling and forms a restraint state.
2. blood taking needle according to claim 1, it is characterized in that: wherein this safety switch member includes a stopper slot and two fixing projections, described stopper slot is formed at this shell body inwall, and then this fixing projection is arranged at this and pushes away the bar section of the seat of pulling and the wall of relative this axial groove chamber; Described stopper slot generally is a L shaped kenel and defines and is formed with an axial chase and a hoop chase.
3. blood taking needle according to claim 1 is characterized in that: wherein these pressure accumulation elastic reset spare two ends respectively with this needle stand one end and push away the seat of pulling a set projection is connecting state in the axial groove chamber in the control termination.
4. blood taking needle according to claim 1 is characterized in that: wherein this axial groove chamber that pushes away the seat of pulling is formed with a shoulder, for the connection terminal breasting of needle stand.
5. blood taking needle according to claim 1, it is characterized in that: wherein the socket assembling end periphery of this shell body all is a multiangular section kenel with the control termination that pushes away the seat of pulling,, this needle stand is treats the percussion state so that but the socket assembling end periphery of this shell body and pressure accumulation draw the control termination of the seat of pulling to be relative engagement.
6. blood taking needle according to claim 1 is characterized in that: wherein the pricker outer cover group of this needle stand has a pricker external member, and this pricker external member, and is and protrudes out this needle outlet toward accommodation space direction insert group by the needle outlet of this shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202183374U CN201537092U (en) | 2009-10-13 | 2009-10-13 | Blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202183374U CN201537092U (en) | 2009-10-13 | 2009-10-13 | Blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201537092U true CN201537092U (en) | 2010-08-04 |
Family
ID=42588541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202183374U Expired - Fee Related CN201537092U (en) | 2009-10-13 | 2009-10-13 | Blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201537092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127190A (en) * | 2013-05-03 | 2014-11-05 | 品强科技精密有限公司 | Blood sampling device allowing controllable puncturing depth |
| CN111374680A (en) * | 2020-03-31 | 2020-07-07 | 江苏苏云医疗器材有限公司 | Blood taking needle head protection device |
-
2009
- 2009-10-13 CN CN2009202183374U patent/CN201537092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127190A (en) * | 2013-05-03 | 2014-11-05 | 品强科技精密有限公司 | Blood sampling device allowing controllable puncturing depth |
| CN111374680A (en) * | 2020-03-31 | 2020-07-07 | 江苏苏云医疗器材有限公司 | Blood taking needle head protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20161013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |