CN101361661A - One-time operation safe vacuum blood-sample acquisition needle - Google Patents
One-time operation safe vacuum blood-sample acquisition needle Download PDFInfo
- Publication number
- CN101361661A CN101361661A CNA2008101442969A CN200810144296A CN101361661A CN 101361661 A CN101361661 A CN 101361661A CN A2008101442969 A CNA2008101442969 A CN A2008101442969A CN 200810144296 A CN200810144296 A CN 200810144296A CN 101361661 A CN101361661 A CN 101361661A
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- Prior art keywords
- main body
- needle stand
- needle
- blood
- button
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- 239000008280 blood Substances 0.000 claims abstract description 55
- 210000004369 blood Anatomy 0.000 claims abstract description 54
- 208000005189 Embolism Diseases 0.000 claims abstract description 27
- 208000001435 Thromboembolism Diseases 0.000 claims description 26
- 241001411320 Eriogonum inflatum Species 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000010241 blood sampling Methods 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 208000035049 Blood-Borne Infections Diseases 0.000 abstract description 2
- 239000012780 transparent material Substances 0.000 abstract description 2
- 238000004159 blood analysis Methods 0.000 abstract 2
- 239000007799 cork Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a disposable safe vacuum blood sampling needle which relates to the technical field of medical appliances, comprises a blood taking needle (8), a cork puncturing needle (6) and a needle holder (4), and is characterized in that: the disposable safe vacuum blood sampling needle further comprises a main body (1), a needle holder sleeve (2), an embolism (3), a compressed spring (7), a retracted button (10) and a button spring (11), and the retracted button (10) can be pressed so as to lead the blood taking needle (8) to be retracted and hidden after blood sampling is finished. The disposable safe vacuum blood sampling needle has reasonable structure design, convenient assembly and reliable action, the needle holder (4) takes transparent material and is convenient for observing blood backflow, and the blood taking flow path is ultra-short, thus having minimal blood oxidation influence due to tiny amount of air and improving the accuracy of blood examination and analysis results; the blood taking needle (8) is retracted and hidden, thus ensuring that the medical care personnel is prevented from accident damages caused by a polluted needle tip, avoiding the pathophoresis of blood-borne diseases, providing safer working environments and more healthful and safer use for the medical care personnel, and being favorable for realizing real disposable usage.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of disposable vacuum blood specimen collection pin safe in utilization.
Background technology
Gather the venous blood sample, carry out the check analysis of various blood projects, the work of often carrying out when being the medicine and hygiene fields medical diagnosis on disease.Adopt the principle of disposal vacuum blood sampling test tube negative pressure of vacuum during blood sampling, allow blood by the blood specimen collection pin, flow into vacuum blood collection automatically in vitro, unlikely blood back flow and cause cross infection has guaranteed the health of whole blood collection procedure to a great extent.But two pins of blood specimen collection pin are hose connection by one, and the air of flexible pipe intracavity space has oxidation affects to blood.And blood sampling blood specimen collection pin later is exposed outside, very easily causes the injury from sharp utensil people, and exists the hidden danger of direct cross infection.Simultaneously, collection pin after the use is still intact, and this provides convenience for some lawless persons' the recovery of taking advantage of the occasion, and promptly cleans a little gathering pin with depleted disposable blood sample after crossing, in addition reuse again after the repacking is so be difficult to realize truly disposable use.
Summary of the invention
The objective of the invention is to,, propose a kind of new-type vacuum blood specimen collection pin disposable safe in utilization at the deficiency of above-mentioned blood specimen collection technology.
The objective of the invention is to adopt following technical solution to realize:
A kind of disposable vacuum blood specimen collection pin safe in utilization, comprise blood taking needle, bottle stopper puncture needle and needle stand, blood taking needle and bottle stopper puncture needle are separately fixed at the needle stand two ends, it is characterized in that, also comprise main body, needle stand cover, thromboembolism, compression spring, retraction button and button spring;
Described main body is a hollow cylinder, it comprises the main body first and the main body second that can be separated, have button hole on the main body first sidewall and be provided with spacing chimb, the medial wall of main body first or main body second is provided with chute, by locking device main body first and main body second is fixed together;
Described retraction button places on the chute in the main body inner chamber, being provided with button spring between one end of its projection and the intracavity sidewall of main body is connected, the spacing block set of the other end is replaced with described spacing chimb again joined, and the end exposes by button hole, also be provided with the retraction hole on the retraction button;
Described needle stand cover is a hollow cylinder, and its inner chamber bottom is provided with needle stand cover spacing collar toward in, and this needle stand cover bottom inserts into the inner the chamber on the top of main body, and fixedlys connected with main body;
Described needle stand is a hollow cylinder, its outside is provided with needle stand spacing collar and needle stand positive stop lug boss outward, this needle stand passes from described needle stand cover inner chamber, the one end stretches out the needle stand cover, it arrives at the retraction button position that places on the main body inner chamber chute needle stand positive stop lug boss of the other end, cross the retraction hole partially, replace with the retraction button and join;
Described thromboembolism is a hollow cylinder, and it is sleeved on the top of main body, and fixedlys connected with needle stand cover or main body, and this thromboembolism inner chamber top is provided with check ring, is provided with the compression spring between this check ring and needle stand.
It comprises at least one group of corresponding respectively barb that is arranged on main body first and the main body second described locking device.
Described positioner, it comprises at least one group of corresponding respectively alignment pin and the locating hole that is arranged on main body first and the main body second.
The main body first of described main body and main body second front portion are respectively equipped with upper body first and upper body second with they one, and described thromboembolism hoop cover is fixed on upper body first and upper body second and attaches together together this position.
Described main body first and main body second are formed in one into the overall structure of main body.
Described main body first and main body second and needle stand cover are the overall structure of three in one molding.
Described thromboembolism is clamping or spins with needle stand cover or the main body mode of fixedlying connected.
Described main body, needle stand cover, thromboembolism and needle stand adopt plastic material.
Described needle stand adopts transparent plastic material.
Reasonable in design of the present invention, easy to assembly, reliable effect, operation is convenient, needle stand selects for use the setting of transparent material to be convenient to observe blood back, with the supporting use of vacuum blood collection test tube, one-time puncture can repeatedly be taken a blood sample, and blood sampling is quick, the patient suffering is few, and whole blood collection procedure is a closed system, and the blood sampling blood pathway is extremely short, so few air is very little to the influence of blood oxidation, further improve the blood test precision of analysis, the blood taking needle retraction is hidden, guarantee that medical personnel exempt from the unexpected injury of the needle point of getting dirty, avoid the propagation of blood borne disease, for medical personnel create safer working environment, health more when make using, safety has helped realizing disposable use truly.
Purpose of the present invention, advantage and characteristics will make an explanation by the non-limitative illustration of following drawings and Examples, and these embodiment only provide as an example.
Description of drawings
Fig. 1 is the sketch map of the present invention that protective sleeve is housed;
Fig. 2 is the embodiment of the invention 1 a structure cross-sectional schematic;
Fig. 3 is a contour structures sketch map of the present invention;
Fig. 4 looks sketch map for the left side of Fig. 3;
Blood taking needle retracted state sketch map after Fig. 5 finishes for the present invention takes a blood sample;
Fig. 6 is the embodiment of the invention 2 structure partial cross-sectional schematic;
Fig. 7 is for being the embodiment of the invention 4 structure cross-sectional schematic;
Fig. 8 is retraction button piece sketch map;
Fig. 9 looks sketch map for the left side of Fig. 8;
A-A represents retraction button assembling condition to cross-sectional schematic among Figure 10 Fig. 2;
Figure 11 is that B-B represents the situation when the retraction button press puts in place to cross-sectional schematic among Fig. 5;
Figure 12 is an I portion enlarged diagram among Fig. 2;
Figure 13 is an II portion enlarged diagram among Fig. 2;
Figure 14 is an III portion enlarged diagram among Fig. 2;
Figure 15 is an IV portion enlarged diagram among Fig. 6;
Figure 16 is a V portion enlarged diagram among Fig. 7;
In the above accompanying drawing: the 1-main body; The 101-button hole; The spacing chimb of 102-; The 103-chute; The 104-alignment pin; The 105-locating hole; 106-main body first; 107-main body second; The 108-barb; The 109-buckling groove; 110-upper body first; 111-upper body second; 2-needle stand cover; 201-needle stand cover spacing collar; The last sleeve pipe of 202-; 203-clamping circle; The 3-thromboembolism; 301 check rings; The 4-needle stand; 401-needle stand spacing collar; 402-needle stand positive stop lug boss; 403-needle stand upper body; The self-enclosed gum cover of 5-; 6-bottle stopper puncture needle; 7-compresses spring; The 8-blood taking needle; The 9-protective sleeve; The 10-button that bounces back; The 1001-spacing block set; The 1002-hole that bounces back; The 1003-projection; The 11-button spring.
The specific embodiment
Embodiment 1:
The disposable vacuum blood specimen collection pin safe in utilization of the present invention as shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, main body 1, needle stand cover 2, thromboembolism 3 and needle stand 4, retraction button 10 adopts plastic materials to make, wherein needle stand 4 is a transparent plastic material.Blood taking needle 8 and bottle stopper puncture needle 6 directly are fixed on the two ends of needle stand 4 respectively, and needle stand 4 a fixedly end of bottle stopper puncture needle 6 is with self-enclosed gum cover 5, because they are prior art with the fixing structure that reaches of needle stand 4, do not elaborate at this;
When needle stand 4 of the present invention is in the said structure state, blood taking needle penetrated blood vessel after, when the big opening end of main body 1 pushed, bottle stopper puncture needle 6 penetrated self-enclosed gum cover 5 and penetrates in the plug of vacuum blood specimen collection test tube, takes a blood sample with vacuum blood specimen collection test tube.When blood sampling finishes, in the time of need extracting blood taking needle 8, can press and press the retraction button 10 that exposes main body 1, as shown in figure 11, make the retraction hole 1002 of retraction on the button 10 just in time aim at the needle stand positive stop lug boss 402 of needle stand 4, because the suitable aperture of the contour dimension (external diameter) of needle stand 4 less than retraction hole 1002, at this moment, under the 7 tension force effects of compression spring, as shown in Figure 5, needle stand 4 can pass the retraction hole 1002 on the retraction button 10, whole needle stand 4 bounces back rapidly, when needle stand spacing collar 401 and needle stand overlapped needle stand cover spacing collar 201 in 2 inner chambers and replace mutually to needle stand 4, needle stand 4 retractions put in place, and 8 of blood taking needles are concealed fully at needle stand cover 2, among the inner chamber of thromboembolism 3 parts such as grade.
Embodiment 2:
Present embodiment is similar substantially to embodiment 1, difference as shown in Figure 6, the structure of needle stand cover 2 does not have last sleeve pipe 202 parts on clamping circle 203 tops, so it is described for short than embodiment 1, it is connected to by clamping circle 203 fixedlys connected with main body 1 in the buckling groove 109; Present embodiment needle stand cover 2 is not provided with as stretching out last sleeve pipe 202 parts of main body 1 among the embodiment 1, and as Fig. 6 and shown in Figure 15, present embodiment is in the main body first 106 and main body second 107 front portions of main body 1, have additional elongated portion respectively with the upper body first 110 and the upper body second 111 of their one, upper body first 110 attaches together with upper body second 111 these two parts is in the same place, just like last sleeve pipe 202 parts of needle stand cover 2, thromboembolism 3 overcoats and the upper body first 110 and the upper body second 111 that are fixedly connected on main body 1 attach together this position together.
Present embodiment is similar substantially to embodiment 1, difference is, main body first 106 and main body second 107 are formed in one into the overall structure of main body 1, and thromboembolism 3 and main body 1 or thromboembolism 3 and needle stand overlap 2 etc. be connected to spin and fixedly connected, and be perhaps fixedly connected by glue.
Present embodiment is similar substantially to embodiment 3, and as Fig. 7 and shown in Figure 16, difference is that main body first 106, main body second 107 and needle stand overlap the overall structure that 2 threes are formed in one.
The foregoing description is as an illustration example only, it is not the qualification that the present invention is done, the present invention can also adopt other modes, step to implement, for example, the mode that main body first 106 is fixedlyed connected with main body second 107, except the form that adopts barb 108 clampings, can also be the form of snap close in the prior art, buckling groove, clamping step or other clampings, perhaps weld, bind round fixedly connected form such as connect; The locate mode that main body first 106 is connected with main body second 107 except the form that adopts alignment pin 104, locating hole 105, can also adopt locating slot in the prior art, positioning step or other localized forms, or the like, do not give unnecessary details one by one at this.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all belong to the protection domain of requirement of the present invention.
Claims (10)
1, a kind of disposable vacuum blood specimen collection pin safe in utilization, comprise blood taking needle (8), bottle stopper puncture needle (6) and needle stand (4), blood taking needle (8) and bottle stopper puncture needle (6) are separately fixed at needle stand (4) two ends, it is characterized in that, also comprise main body (1), needle stand cover (2), thromboembolism (3), compression spring (7), retraction button (10) and button spring (11);
Described main body (1) is a hollow cylinder, it comprises the main body first (106) and the main body second (107) that can be separated, have button hole (101) on main body first (106) or the main body second (107) and be provided with spacing chimb (102), the medial wall of main body first (106) or main body second (107) is provided with chute (103), by locking device main body first (106) and main body second (107) is fixed together;
Described retraction button (10) places on the chute (103) in main body 1 inner chamber, being provided with button spring (11) between one end of its projection (1003) and the intracavity sidewall of main body (1) is connected, the described spacing block set (1001) of the other end is replaced with spacing chimb (102) again to join, and expose by button hole (101) end, also is provided with retraction hole (1002) on the retraction button (10);
Described needle stand cover (2) is a hollow cylinder, and its inner chamber bottom is provided with needle stand cover spacing collar (201) toward in, and this needle stand cover (201) bottom inserts into the inner the chamber on the top of main body (1), and fixedlys connected with main body (1);
Described needle stand (4) is a hollow cylinder, its outside is provided with needle stand spacing collar (401) and needle stand positive stop lug boss (402) outward, this needle stand (4) passes from described needle stand cover (2) inner chamber, the one end stretches out the needle stand cover, the needle stand positive stop lug boss (402) of the other end arrives at retraction button (10) position that places on main body (1) the inner chamber chute (103), cross retraction hole (1002) partially, replace with retraction button (10) and join;
Described thromboembolism (3) is a hollow cylinder, it is sleeved on the top of main body (1), and fixedly connected with needle stand cover (2) or main body (1), this thromboembolism (3) inner chamber top is provided with check ring (301), is provided with compression spring (7) between this check ring (301) and needle stand (4).
2, according to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that, described locking device, it comprise at least one group respectively correspondence be arranged on barb (108) on main body first (106) and the main body second (107).
3, according to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that, also comprise positioner, it comprise at least one group respectively correspondence be arranged on alignment pin (104) and locating hole (105) on main body first (106) and the main body second (107).
According to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that 4, the form by welding, hoop connect is fixed together main body first (106) and main body second (107).
5, according to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that, the main body first (106) of described main body (1) and main body second (107) front portion, be respectively equipped with upper body first (110) and upper body second (111) with they one, described thromboembolism (3) hoop cover is fixed on upper body first (110) and upper body second (111) and attaches together together this position.
According to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that 6, described main body first (106) and main body second (107) are formed in one into the overall structure of main body (1).
7, according to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that described main body first (106) and main body second (107) and needle stand cover (2) are the overall structure of three in one molding.
According to the described disposable vacuum blood specimen collection pin safe in utilization of claim 1, it is characterized in that 8, described thromboembolism (3) is clamping or spins with needle stand cover (2) or main body (1) mode of fixedlying connected.
According to claim 1,2,3,4,5,6,7 or 8 described disposable vacuum blood specimen collection pins safe in utilization, it is characterized in that 9, described main body (1), needle stand cover (2), thromboembolism (3) and needle stand (4) adopt plastic material.
According to the described disposable vacuum blood specimen collection pin safe in utilization of claim 9, it is characterized in that 10, described needle stand (4) adopts transparent plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101442969A CN101361661A (en) | 2008-08-01 | 2008-08-01 | One-time operation safe vacuum blood-sample acquisition needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101442969A CN101361661A (en) | 2008-08-01 | 2008-08-01 | One-time operation safe vacuum blood-sample acquisition needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101361661A true CN101361661A (en) | 2009-02-11 |
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ID=40388406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101442969A Pending CN101361661A (en) | 2008-08-01 | 2008-08-01 | One-time operation safe vacuum blood-sample acquisition needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101361661A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106735A (en) * | 2010-11-29 | 2011-06-29 | 张蔚楠 | Pen type safety blood taking needle |
| CN102188252A (en) * | 2011-03-14 | 2011-09-21 | 张亚根 | Convenient disposable safety blood collecting device |
| CN102231964A (en) * | 2010-01-07 | 2011-11-02 | 回缩技术股份有限公司 | Blood withdrawal device with retractable needle |
| WO2013078741A1 (en) * | 2011-12-01 | 2013-06-06 | 上海金塔医用器材有限公司 | Disposable sterile retracting blood taking needle |
| CN104127191A (en) * | 2014-08-13 | 2014-11-05 | 北京光耀世纪医疗科技有限公司 | Safe blood sampling needle |
| CN110680347A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Push type safety protection mechanism of blood taking needle |
-
2008
- 2008-08-01 CN CNA2008101442969A patent/CN101361661A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231964A (en) * | 2010-01-07 | 2011-11-02 | 回缩技术股份有限公司 | Blood withdrawal device with retractable needle |
| CN102106735A (en) * | 2010-11-29 | 2011-06-29 | 张蔚楠 | Pen type safety blood taking needle |
| CN102188252A (en) * | 2011-03-14 | 2011-09-21 | 张亚根 | Convenient disposable safety blood collecting device |
| CN102188252B (en) * | 2011-03-14 | 2015-09-16 | 张亚根 | The disposable safe hemostix of convenient use |
| WO2013078741A1 (en) * | 2011-12-01 | 2013-06-06 | 上海金塔医用器材有限公司 | Disposable sterile retracting blood taking needle |
| GB2511243A (en) * | 2011-12-01 | 2014-08-27 | Shanghai Jinta Medical Co Ltd | Disposable sterile retracting blood taking needle |
| US9314199B2 (en) | 2011-12-01 | 2016-04-19 | Shanghai Jinta Medical Co., Ltd. | Disposable sterile retracting blood taking needle |
| GB2511243B (en) * | 2011-12-01 | 2018-02-14 | Shanghai Jinta Medical Co Ltd | Disposable sterile retracting blood taking needle |
| CN104127191A (en) * | 2014-08-13 | 2014-11-05 | 北京光耀世纪医疗科技有限公司 | Safe blood sampling needle |
| CN110680347A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Push type safety protection mechanism of blood taking needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG KANGKANG MEDICAL-DEVICES CO.,LTD Free format text: FORMER OWNER: XU HAOHUA Effective date: 20090814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090814 Address after: Truman Town, Zhejiang Industrial Zone, Yuhuan County Dragon Applicant after: Zhejiang Kangkang Medical Equipment Co., Ltd. Address before: Room two, unit two, Hoi An Village, Danyang, Jiangsu 301, China Applicant before: Xu Haohua |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090211 |