CN103190921A - Disposable safe blood taking needle - Google Patents
Disposable safe blood taking needle Download PDFInfo
- Publication number
- CN103190921A CN103190921A CN2013101399654A CN201310139965A CN103190921A CN 103190921 A CN103190921 A CN 103190921A CN 2013101399654 A CN2013101399654 A CN 2013101399654A CN 201310139965 A CN201310139965 A CN 201310139965A CN 103190921 A CN103190921 A CN 103190921A
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- China
- Prior art keywords
- needle stand
- needle
- blood
- passage
- blood taking
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- 239000008280 blood Substances 0.000 title claims abstract description 51
- 210000004369 blood Anatomy 0.000 title claims abstract description 51
- 238000010241 blood sampling Methods 0.000 claims description 33
- 210000003462 vein Anatomy 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention relates to a disposable safe blood taking needle comprising a puncture needle, a needle seat, a spring, a shell body, a triggering springback body and an O-shaped seal ring. A needle seat assembly channel is arranged on the front portion of the shell body, and the needle seat and the spring on the needle seat are mounted in the needle seat assembly channel. A needle springback cavity is arranged on the upper portion of the triggering springback body, a blood taking channel is arranged on the lower portion of the springback body, and a blood transfusion flexible pipe is connected with the back portion of the blood taking channel. The triggering springback body is movably mounted in the shell body. The blood taking channel is opposite to the needle seat assembly channel on the shell body, and the O-shaped seal ring is arranged between the blood taking channel and a rear end hole of the needle seat. After puncture and blood taking are completed, the puncture needle can spring back into the triggering springback body automatically from the vein of a patient by pressing the triggering springback body, and the blood taking channel is simultaneously sealed. The disposable safe blood taking needle is reasonable in structure, convenient to use, safe and reliable; and puncture risk and blood leakage danger caused by exposure of the puncture needle can be avoided, and environment can be effectively protected.
Description
Technical field
The present invention relates to a kind of blood taking needle, specifically a kind of disposable use safety blood taking pin.
Background technology
At present, the typical construction of known blood taking needle is to be assembled by protective sleeve, puncture needle, needle handle, flexible pipe, intubate needle stand, cannula needle and latex protective sleeve.During blood sampling, hand-held needle handle operation puncture needle punctures, and after observation has blood back, inserts vacuum test tube and gathers blood, and blood sampling finishes, and extracts puncture needle earlier from patient's vein, extracts blood taking tube then, at last blood taking needle is discarded in sharp device and collects in the box.After traditional blood taking needle was extracted puncture needle, puncture needle can be exposed in the air, thereby had increased the risk of pricking wound and the pollution risk that blood leaks outside, and also destroyed environment after abandoning easily.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art; provide a kind of rational in infrastructure; easy to use; safe and reliable; the blood sampling puncture needle that finishes can not be exposed in the air; avoid stabbing the danger that risk and blood leak outside, and can effectively protect the disposable use safety blood taking pin of environment.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of disposable use safety blood taking pin, it is characterized in that: it is made up of puncture needle, needle stand, spring, housing main body, triggering projectile body, O RunddichtringO, puncture needle is fixed on the needle stand, spring housing is in the needle stand outside, described housing main body front portion is provided with needle stand assembling passage, needle stand and on spring be installed in the needle stand assembling passage; Described triggering projectile body top is provided with needle stand retraction cavity, and the bottom is provided with the blood sampling passage, and the blood sampling channel rear portion is connected with the blood transfusion flexible pipe; Described triggering projectile body is movably arranged in the housing main body, and stomidium cooperates and is communicated with behind the needle stand assembling passage of its blood sampling passage on the housing main body, blood sampling passage and needle stand, and the O RunddichtringO is arranged on behind take a blood sample passage and the needle stand between the stomidium.
Triggering projectile body rear outside of the present invention is provided with the boss of two symmetries, and both sides, housing main body rear end correspondingly are provided with slotted eye, is connected by boss and slotted eye, and the triggering projectile body is rotatable to be installed in the housing main body.
Be provided with two annular snap platforms before and after in the needle stand assembling passage of the present invention, described needle stand rear portion is provided with an annular boss, annular boss on the needle stand cooperates the location with needle stand assembling channel rear portion annular snap platform, and spring is compressed between the annular boss of needle stand assembling passage forward annular Ka Tai and needle stand.
Housing main body front end inside upper part of the present invention is provided with one and triggers Ka Tai, and the needle stand retraction cavity open front end upper edge on the described triggering projectile body is stuck on this triggering Ka Tai.
Blood sampling passage front end face on the triggering projectile body of the present invention is provided with an annular groove, and described O RunddichtringO is inlaid in this annular groove.
When the present invention used, the hand-held housing main body was carried out routine puncture, and blood enters the blood sampling passage that triggers the projectile body bottom by puncture needle, needle stand, and then flowed to the cannula needle at rear portion by the blood transfusion flexible pipe, entered in the vacuum test tube.After blood sampling finishes, puncture needle is still in vein, firmly press the triggering projectile body downwards, the stopping of triggering Ka Tai of triggering on the projectile body breakthrough housing main body moves down, fall into the housing main body bottom, at this moment, needle stand retraction cavity assembles passage over against the needle stand on the housing main body, and the spring in the needle stand assembling passage drives puncture needle and needle stand springs back in the needle stand retraction cavity that triggers projectile body.Simultaneously, the blood sampling passage and the O RunddichtringO that trigger the projectile body bottom withstand on the front inner wall of housing main body, by the O RunddichtringO channel seal of will taking a blood sample.After puncture blood collecting of the present invention finished, by pressing the triggering projectile body, puncture needle can spring back to automatically from patient's vein and trigger in projectile body and the housing main body, simultaneously the blood sampling passage is advanced sealing.Against existing technologies, the present invention is rational in infrastructure, and is easy to use, safe and reliable, and the blood sampling puncture needle that finishes can not be exposed in the air, and that avoids puncture needle to leak outside bringing stabs the danger that risk and blood leak outside, and can effectively protect environment.Not only improve patient's comfortableness, and guaranteed the safe, effective of blood sampling.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is surface structure sketch map of the present invention.
Fig. 2 is that the present invention does not trigger cuing open of resilience state and shows sketch map.
Fig. 3 is that the present invention triggers cuing open of resilience state and shows sketch map.
Label among the figure is: 1. protective sleeve, and 2. puncture needle, 3. needle stand, 4. spring, 5. housing main body, 6. the O RunddichtringO 7. triggers projectile body, 8. the blood transfusion flexible pipe.31. annular boss, 51. needle stands assembling passage, 511. forward annular Ka Tai, 512. rear annular Ka Tai, 52. trigger Ka Tai, 53. slotted eyes, 71. needle stands retraction cavity, 72. blood sampling passages, 73. boss.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of disposable use safety blood taking pin, its by puncture needle 2, needle stand 3, spring 4, housing main body 5, trigger projectile body 7, O RunddichtringO 6 etc. and form.Described puncture needle 2 is fixed in the inner chamber of needle stand 3, and spring 4 is enclosed within needle stand 3 outsides.Puncture needle 2 outsides also are provided with protective sleeve 1, and protective sleeve 1 is assemblied in needle stand assembling passage outside on the housing main body 5.
Housing main body of the present invention 5 front portions are provided with needle stand assembling passage 51, needle stand 3 and on spring 4 be installed in the needle stand assembling passage 51.Described triggering projectile body 7 tops are provided with needle stand retraction cavity 71, and the bottom is provided with blood sampling passage 72, and blood sampling passage 72 rear portions are connected with blood transfusion flexible pipe 8.Blood transfusion flexible pipe 8 other ends connect conventional cannula needle and vacuum test tube.
Triggering projectile body 7 rear outside of the present invention are provided with the boss 73 of two symmetries, and both sides, housing main body 5 rear end correspondingly are provided with slotted eye 53, are connected by boss 73 and slotted eye 53, trigger projectile body 7 rotatable being installed in the housing main body 5.
Be provided with two annular snap platforms before and after in the needle stand assembling passage 51 of the present invention, be respectively forward annular card platform 511 and rear annular card platform 512, described needle stand 3 rear portions are provided with an annular boss 31, annular boss 31 on the needle stand cooperates the location with needle stand assembling channel rear portion annular snap platform 512, and spring 4 is compressed between the annular boss 31 of needle stand assembling passage forward annular card platform 511 and needle stand.
Housing main body 5 front end inside upper part of the present invention are provided with one and trigger card platform 52, and the needle stand retraction cavity 71 open front end upper edges on the described triggering projectile body 7 are stuck on this triggering card platform 52.
Triggering projectile body 7 of the present invention is movably arranged in the housing main body 5, and triggering projectile body 7 opposite shell main bodys 5 has two duties.The one, do not trigger the resilience state, another is to trigger the resilience state.
Fig. 2 is that the present invention does not trigger cuing open of resilience state and shows sketch map.Described needle stand 3 and on spring 4 be installed in the needle stand assembling passage 51, spring 4 is in compressive state.The needle stand assembling passage 51 of blood sampling passage 72 on the described triggering projectile body 7 on the housing main body 5, blood sampling passage 72 cooperate with needle stand 3 back stomidiums and are communicated with, and O RunddichtringO 6 is arranged on behind take a blood sample passage 72 and the needle stand 3 between the stomidiums.
Fig. 3 is that the present invention triggers cuing open of resilience state and shows sketch map.At this moment, trigger projectile body 7 and fall into housing main body 5 bottoms, needle stand retraction cavity 71 assembles passage 51 over against the needle stand on the housing main body, and the spring in the needle stand assembling passage drives puncture needle and needle stand springs back in the needle stand retraction cavity that triggers projectile body.Simultaneously, the blood sampling passage and the O RunddichtringO that trigger the projectile body bottom withstand on the front inner wall of housing main body, by the O RunddichtringO channel seal of will taking a blood sample.
When the present invention uses; at first remove protective sleeve 1; 2 couples of patients of hand-held housing main body 5 drive puncture needles carry out the routine puncture then; blood enters the blood sampling passage 72 that triggers the projectile body bottom by puncture needle 2, needle stand 3; and then flow to the cannula needle at rear portion by blood transfusion flexible pipe 8, enter in the vacuum test tube.During blood sampling, puncture needle 2, needle stand 3, O type circle 6, triggering projectile body 7, blood transfusion flexible pipe 8 and conventional cannula needle have constituted fluid passage jointly, and blood enters in the vacuum test tube by fluid passage.After blood sampling finished, puncture needle 2 still in vein, was firmly pressed downwards and is triggered projectile body 7, and the stopping of triggering card platform 52 of triggering on the projectile body 7 breakthrough housing main bodies 5 moves down, and falls into housing main body 5 bottoms, as shown in Figure 3.At this moment, needle stand retraction cavity 71 assembles passage 51 over against the needle stand on the housing main body, and the spring 4 in the needle stand assembling passage 51 drives puncture needles 2 and needle stand 3 springs back in the needle stand retraction cavity 71 that triggers projectile body 7.Simultaneously, the blood sampling passage 72 and the O RunddichtringO 6 that trigger projectile body 7 bottoms withstand on the front inner wall of housing main body 5, by O RunddichtringO 6 channel seal of will taking a blood sample.
After puncture blood collecting of the present invention finished, by pressing the triggering projectile body, puncture needle can spring back to automatically from patient's vein and trigger in projectile body and the housing main body, simultaneously the blood sampling passage is advanced sealing.It is rational in infrastructure, and is easy to use, safe and reliable, and the blood sampling puncture needle that finishes can not be exposed in the air, and that avoids puncture needle to leak outside bringing stabs the danger that risk and blood leak outside, and can effectively protect environment.Not only improve patient's comfortableness, and guaranteed the safe, effective of blood sampling.
Claims (5)
1. disposable use safety blood taking pin, it is characterized in that: it is made up of puncture needle, needle stand, spring, housing main body, triggering projectile body, O RunddichtringO, puncture needle is fixed on the needle stand, spring housing is in the needle stand outside, described housing main body front portion is provided with needle stand assembling passage, needle stand and on spring be installed in the needle stand assembling passage; Described triggering projectile body top is provided with needle stand retraction cavity, and the bottom is provided with the blood sampling passage, and the blood sampling channel rear portion is connected with the blood transfusion flexible pipe; Described triggering projectile body is movably arranged in the housing main body, and stomidium cooperates and is communicated with behind the needle stand assembling passage of its blood sampling passage on the housing main body, blood sampling passage and needle stand, and the O RunddichtringO is arranged on behind take a blood sample passage and the needle stand between the stomidium.
2. disposable use safety blood taking pin according to claim 1, it is characterized in that: described triggering projectile body rear outside is provided with the boss of two symmetries, both sides, housing main body rear end correspondingly are provided with slotted eye, be connected by boss and slotted eye, the triggering projectile body is rotatable to be installed in the housing main body.
3. disposable use safety blood taking pin according to claim 1, it is characterized in that: be provided with two annular snap platforms before and after in the described needle stand assembling passage, described needle stand rear portion is provided with an annular boss, annular boss on the needle stand cooperates the location with needle stand assembling channel rear portion annular snap platform, and spring is compressed between the annular boss of needle stand assembling passage forward annular Ka Tai and needle stand.
4. disposable use safety blood taking pin according to claim 1 is characterized in that: described housing main body front end inside upper part is provided with one and triggers Ka Tai, and the needle stand retraction cavity open front end upper edge on the described triggering projectile body is stuck on this triggering Ka Tai.
5. according to the described described disposable use safety blood taking pin of claim 1, it is characterized in that: the blood sampling passage front end face on the described triggering projectile body is provided with an annular groove, and described O RunddichtringO is inlaid in this annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139965.4A CN103190921B (en) | 2013-04-22 | 2013-04-22 | Disposable safe blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139965.4A CN103190921B (en) | 2013-04-22 | 2013-04-22 | Disposable safe blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103190921A true CN103190921A (en) | 2013-07-10 |
| CN103190921B CN103190921B (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310139965.4A Active CN103190921B (en) | 2013-04-22 | 2013-04-22 | Disposable safe blood taking needle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103190921B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691470A (en) * | 2017-01-09 | 2017-05-24 | 济南大学 | Endoscope vein blood taking needle set and using method thereof |
| CN107041757A (en) * | 2017-05-03 | 2017-08-15 | 柴广云 | A kind of needle holder suitable for blood taking needle |
| CN107041756A (en) * | 2017-05-03 | 2017-08-15 | 柴广云 | A kind of novel blood sampling equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318584A (en) * | 1992-04-13 | 1994-06-07 | Boehringer Mannheim Gmbh | Blood lancet device for withdrawing blood for diagnostic purposes |
| JPH10192262A (en) * | 1996-12-29 | 1998-07-28 | Misawa Ika Kogyo Kk | Disposable pricker |
| CN1586396A (en) * | 2004-09-15 | 2005-03-02 | 施迎敢 | Needle tip drawing back type disposable safety blood taking needle and disposable ejection type safety blood taking pen |
| US20060079807A1 (en) * | 2004-10-12 | 2006-04-13 | Allard Edward F | Blood collecting syringe with retractable needle |
| CN202497155U (en) * | 2011-12-06 | 2012-10-24 | 张亚平 | Improved pen-type safe blood taking needle |
| CN202821371U (en) * | 2012-09-26 | 2013-03-27 | 淮安市天达医疗器械有限公司 | Disposable self-retraction type safe blood taking needle |
| CN203169194U (en) * | 2013-04-22 | 2013-09-04 | 威海洁瑞医用制品有限公司 | Disposable safe blood collection needle |
-
2013
- 2013-04-22 CN CN201310139965.4A patent/CN103190921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318584A (en) * | 1992-04-13 | 1994-06-07 | Boehringer Mannheim Gmbh | Blood lancet device for withdrawing blood for diagnostic purposes |
| JPH10192262A (en) * | 1996-12-29 | 1998-07-28 | Misawa Ika Kogyo Kk | Disposable pricker |
| CN1586396A (en) * | 2004-09-15 | 2005-03-02 | 施迎敢 | Needle tip drawing back type disposable safety blood taking needle and disposable ejection type safety blood taking pen |
| US20060079807A1 (en) * | 2004-10-12 | 2006-04-13 | Allard Edward F | Blood collecting syringe with retractable needle |
| CN202497155U (en) * | 2011-12-06 | 2012-10-24 | 张亚平 | Improved pen-type safe blood taking needle |
| CN202821371U (en) * | 2012-09-26 | 2013-03-27 | 淮安市天达医疗器械有限公司 | Disposable self-retraction type safe blood taking needle |
| CN203169194U (en) * | 2013-04-22 | 2013-09-04 | 威海洁瑞医用制品有限公司 | Disposable safe blood collection needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691470A (en) * | 2017-01-09 | 2017-05-24 | 济南大学 | Endoscope vein blood taking needle set and using method thereof |
| CN107041757A (en) * | 2017-05-03 | 2017-08-15 | 柴广云 | A kind of needle holder suitable for blood taking needle |
| CN107041756A (en) * | 2017-05-03 | 2017-08-15 | 柴广云 | A kind of novel blood sampling equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103190921B (en) | 2014-07-16 |
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