CN2618563Y - Safety portable hemostix - Google Patents
Safety portable hemostix Download PDFInfo
- Publication number
- CN2618563Y CN2618563Y CN 03231778 CN03231778U CN2618563Y CN 2618563 Y CN2618563 Y CN 2618563Y CN 03231778 CN03231778 CN 03231778 CN 03231778 U CN03231778 U CN 03231778U CN 2618563 Y CN2618563 Y CN 2618563Y
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- CN
- China
- Prior art keywords
- needle
- blood
- blood taking
- mining
- convenient
- Prior art date
- 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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- 239000008280 blood Substances 0.000 claims abstract description 101
- 210000004369 blood Anatomy 0.000 claims abstract description 101
- 230000001681 protective effect Effects 0.000 claims description 33
- 210000002435 tendon Anatomy 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 abstract description 10
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract 12
- 238000010241 blood sampling Methods 0.000 description 12
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000002792 vascular 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 utility model is a safety, convenient and fast blood mining device which extracts blood sample from human vein by puncture mode. The utility model consists of a blood mining needle component, a holding device which permits vacuum blood mining tube to locate thereon. The blood mining needle component consists of a needle base and a blood mining need which is connected with one end of the needle base. The blood mining needle component characterizes that a puncture needle which is connected with the blood mining needle and a flexible envelope which contains the puncture needle are fixed at the other end of the needle base. The blood mining needle component is blocked to the holding device by the needle base. By adopting the method that the blood mining needle component is blocked to the holding device, the connection firm on the holding device and the convenience of dismantling is guaranteed. By coordinating with vacuum blood mining tube, one puncture can finish sampling many times and can prevent blood sample from being polluted during the sampling. After using, the blood mining needle component can be dismantled and thrown into special abandon barrel by single hand operation push button which is convenient and fast. And the protecting cover which is coordinates with the blood mining needle with tube by rotation mode can effectively prevent puncture mistakenly.
Description
[technical field]
This utility model relates to a kind of medical equipment that takes out medium in the human body, especially a kind of hemostix of taking blood sample in the puncture mode from human vein.
[background technology]
At present; usually (complete syringe comprises syringe body and the syringe needle that is connected on the body with common syringe from the human blood collection in the Clinical Laboratory field; usually be with protective sleeve on the syringe needle; during blood sampling protective sleeve is taken off) thrust human vein and take blood sample; again blood sample is transferred to other containers that blood sample is for further processing (as test tube) from syringe after extracting required blood sampling volume, this blood sampling mode has following defective at least:
1, one-time puncture only can once be sampled, and promptly when taking a blood sample required blood sample more for a long time, needs repeatedly syringe to be thrust human vein and takes a blood sample, and increases pain to human body;
2, with blood sample from syringe when other containers shift, exist contaminated may;
3, in instructions for use, syringe can only use once, and is discarded with finishing; common way is after blood sampling finishes protective sleeve to be recovered syringe needle to scrap processing; the mistake thorn takes place therebetween easily, directly cause medical cross infection, hospital will spend a large amount of medical expenses to infected person's treatment.In some countries and regions, strict requirement has been proposed pre-anti-error thorn from the law angle.
[utility model content]
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the existing existing above-mentioned deficiency of blood taking instrument, and a kind of safe and convenient hemostix is provided, and to strengthen the operability of blood collection procedure, prevents that mistake thorn and blood sample from polluting.For this reason, this utility model is taked following technical proposals:
A kind of safe and convenient hemostix, comprise the blood taking needle assembly and can supply the localized holder of vacuum test tube thereon, this blood taking needle assembly comprises needle stand and is connected in the blood taking needle of needle stand one end, the other end that it is characterized in that needle stand is fixed with puncture needle that communicates with blood taking needle and the elastic cuff that contains puncture needle, and described blood taking needle assembly is connected on the described holder by pin base fastener.During blood sampling, the blood taking needle assembly is connected on the holder by pin base fastener, and blood taking needle punctured in the vein blood vessel, since be inclusive with elastic cuff on the puncture needle that blood taking needle communicates, though the blood in the vein blood vessel can't be flowed out by the sealing function of big envelope from puncture needle because vascular pressure can fill the blood sampling pipeline by blood back; At this moment, again that vacuum test tube is close to puncture needle along holder, and make puncture needle pass big envelope to thrust the vacuum test tube that is positioned on the holder, owing to be negative pressure in the vacuum test tube, the interior blood of vein blood vessel can successfully be gathered to the vacuum blood taking tube; Once blood sampling finishes, and in the opposite direction vacuum test tube is taken off from holder, separates with puncture needle, and this moment, puncture needle was contained sealing by big envelope again; If need blood sampling continuously, only need with all the other vacuum test tubes in a manner described again to puncture needle near finishing.The hemostix of this structure, easy to use, one-time puncture can be finished repeatedly sampling, and can prevent in the sampling process blood sample contaminated.According to above-mentioned use and requirement, described big envelope is that a kind of can be punctured acupuncture easily broken, and can rely on the structure of the character of self with the cut collapsed seal, on actual fabrication, can select rubber sleeve for use.
Described safe and convenient hemostix is characterized in that the upper end of described holder is provided with the button of a pair of resilient engagement, has latch on the button; Has the flange that cooperates with latch on the described needle stand.In use, needle stand is connected between the latch by the button snap on the flange, with finishing, only needs one hand to press the button can to pull down the blood taking needle assembly to lose in the special-purpose discarded bucket, and is convenient and swift.
Described safe and convenient hemostix is characterized in that the inner of described button has elastic component, and the middle part has chimeric through hole and recess mutually, and described latch is positioned at the inboard of through hole, compact conformation; The upper end and the flange on the needle stand of latch have the inclined-plane that cooperatively interacts, and make flange simpler and easy with cooperating of latch.
Described safe and convenient hemostix is characterized in that the both sides of described button and upper surface have stopper slot and gathering sill respectively, and a fixture is connected the upper end of holding frame by limited block on it and guide pad with mutual chimeric button; The middle part of described fixture upper surface has a stepped hole, and the both sides of stepped hole have shell fragment, has chimeric positioning tooth mutually on the step surface of stepped hole and on the needle stand, guarantees that blood taking needle connects more firmly on holder.
Described safe and convenient hemostix is characterized in that the upper surface of described holder has two connecting holes, and the outside of connecting hole has guide runner; Has the hook that cooperates with connecting hole on the fixture.
Described safe and convenient hemostix is characterized in that described blood taking needle assembly is that blood taking needle directly is fixed on the needle stand.
Described safe and convenient hemostix is characterized in that described blood taking needle assembly is is to be connected on the needle stand by a conduit with blood taking needle; The afterbody of blood taking needle is fixed with needle handle and connects a cuboid protective cover that can hold blood taking needle with rotating manner at the afterbody of needle handle, is provided with locking member in the protective cover.This protective cover can be done 180 degree upsets, need not recover the blood taking needle protective sleeve after the use, only need singlehanded with protective cover from after upset forward, be locked on the blood taking needle by locking member, thereby blood taking needle covered, effectively pre-anti-error thorn.
Described safe and convenient hemostix is characterized in that described locking member is a pair of lock tooth that is divided into protective cover two medial walls, and two lock teeth are established relatively, and the gradient of tendency protective cover inboard is arranged, and two lock tooth opposite positions leave the gap less than the syringe needle external diameter.The declining slope and the syringe needle thickness of the soft durometer of this gap, lock tooth and lock tooth adapt.Two locks between the teeth the gap in addition can be zero.The soft durometer of the gap of the declining slope of lock tooth, lock between cog and lock tooth satisfies: impose little external force, syringe needle can embed from two lock tooth opposite positions, and syringe needle is in case embed the back with regard to difficult drop-off.
Described safe and convenient hemostix is characterized in that being with respectively on described blood taking needle and the puncture needle protective sleeve.
Described safe and convenient hemostix is characterized in that described holder is cylindric, and its inner wall even distribution has the guiding convex tendon, and the upper end of inwall also has the positioning table valency, is convenient to turnover and the location of vacuum test tube on holder.
This utility model is connected in the blood taking needle assembly on the holder in the mode of clamping, guarantee blood taking needle on holder firm connection and fast pull down, be used with vacuum test tube, one-time puncture can be finished repeatedly sampling, and can prevent in the sampling process blood sample contaminated; With finishing, only need the one-handed performance button can pull down the blood taking needle assembly and lose in the special-purpose discarded bucket, convenient and swift; And the protective cover that matches with the blood taking needle of carrying pipe with rotating manner, can effectively pre-anti-error thorn.
[description of drawings]
Fig. 1 is a kind of structural representation of the present utility model (the blood taking needle assembly is an integral structure).
Fig. 2 is the blood taking needle among Fig. 1 and the structural representation of protective sleeve thereof.
Fig. 3 is another kind of structural representation of the present utility model (the blood taking needle assembly is for being connected blood taking needle on the needle stand by conduit).
Fig. 4 is a holder assembling sketch map of the present utility model.
Fig. 5 is the left view of fixture shown in Fig. 4.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the vertical view of the button in top in two buttons shown in Fig. 4.
Fig. 8 is the vertical view of the button in below in two buttons shown in Fig. 4.
Fig. 9 is two vertical views that button is entrenched togather.
Figure 10 is that the E-E of protective sleeve among Fig. 3 is to cutaway view Amplified image.
Figure 11 is the left view of holder shown in Fig. 4.
[specific embodiment]
Shown in Fig. 4～9,11 is the structure of holder, and it is to connect a pair of elastic button 13 in the upper end of cylindric body 18 by fixture 12 to constitute:
The inner of each button 13 has two feeler shape elastic components 15, and its middle part has for the two mutual chimeric through hole 25 and recess 26, and latch 27 is positioned at the inboard of through hole 25, and the upper end of latch 27 has inclined-plane 28; After two buttons 13 were chimeric mutually, the through hole 25 at its middle part was interlaced, and latch 27 is relative, and elastic component 15 is conflicted respectively at recess 26 edges at relative key middle part; The both sides of button 13 and upper surface have stopper slot 14 and gathering sill 24 respectively.
The upper surface of holder body 18 has two connecting holes 30, and the outside of connecting hole 30 has guide runner 20; The sidewall of holder body concaves and form guiding convex tendon 19 in the holder body, and the upper end of guiding convex tendon 19 also has positioning step 32.
The middle part of fixture 12 upper surfaces has a stepped hole 21, and the both sides of stepped hole 21 have shell fragment 22, has positioning tooth 31 on the step surface of stepped hole 21; Two hooks 17 that having on the fixture 12 faces down from its upper end extends, the inboard of hook 17 have guide pad 16 and two limited blocks 23 that 23, two of two relative limited blocks are positioned at fixture upper surface downside and lay respectively on the orthogonal direction.
During assembling, two buttons 13 are chimeric relatively towards the top by the latch on it, place the upper surface of holder body 18, block two buttons with fixture 12, and make limited block 23 and guide pad 16 respectively with button 13 on stopper slot 14 and gathering sill 24 coincide, make afterwards hook 17 along guide runner 20 with fixture 12 to pressing down, make hook 17 be passed in connecting hole 30 and be hooked on holder body upper surface downside and get final product.
Shown in Figure 1 is a kind of embodiment of the present utility model, be that blood taking needle assembly 1 with integral structure is connected on the holder 2: blood taking needle 4 and puncture needle 7 that this blood taking needle assembly comprises needle stand 5 and is fixed in the needle stand two ends and interconnects, puncture needle surrounds rubber cuff 6 outward, and an end that connects puncture needle on the needle stand 5 has the flange 29 that cooperates with latch 27, flange 29 lower ends have the inclined-plane 28 that cooperates with latch 27, have positioning tooth equally on the needle stand of flange top.
Shown in Figure 3 is another kind of embodiment of the present utility model, its blood taking needle assembly comprises needle stand 5 equally and is fixed in the puncture needle 7 of needle stand one end, the puncture needle 7 outer rubber cuffs 6 that surround, and an end that connects puncture needle on the needle stand 5 has the flange 29 that cooperates with latch, flange 29 lower ends have the inclined-plane 28 that cooperates with latch, have positioning tooth on the needle stand of flange top; The blood taking needle 4 of this structure that different is is connected on the needle stand 5 by a flexible conduit 9; the afterbody of blood taking needle 4 is coupling and one can holds the cuboid protective cover 11 of blood taking needle and be fixed on the afterbody of two flexible needle handles 10; be provided with locking member 33 in the protective cover 11; protective cover 11 oppositely is positioned at the rear of blood taking needle usually; the snap lock tooth of locking member on protective cover two medial walls, forming; two lock teeth are established relatively; and the gradient of tendency protective cover inboard arranged; clearance D (see figure 10) between the two lock teeth is less than the external diameter of blood taking needle; and according to the soft durometer of lock tooth even can be zero or negative (promptly two lock teeth intersect mutually); with complete blood taking needle assembly; protective cover can overturn forward; protective cover is covered on the blood taking needle, protective cover and blood taking needle are locked together, prevent the mistake thorn by the snap lock tooth.
As shown in Fig. 1,3, in order to prevent that the blood taking needle assembly in keeping, impaired when depositing, is with protective sleeve 8 respectively on blood taking needle 4 and the puncture needle 7, this protective sleeve can be the special special part of making, and also can replace with conventional medical plastic pipe.
During use, the protective sleeve that will be enclosed within on the puncture needle takes off earlier, then needle stand is inserted between the latch of holder body upper end, (flange pushes latch by the inclined-plane therebetween, overcomes the elastic force of elastic component on the button, and two latches on the button are stepped down, thereby flange is stuck in the latch downside, and by stepped hole, shell fragment, positioning tooth etc. with needle stand location, prevent its rotation, move axially), the blood taking needle assembly promptly is connected on the holder; The protective sleeve that will be enclosed within on the blood taking needle takes off afterwards, behind the sterilization skin, blood taking needle is punctured in the vein blood vessel, since be surrounded by big envelope on the puncture needle that blood taking needle communicates, though the blood in the vein blood vessel can fill the blood sampling pipeline by blood back under the blood pressure effect, but the blood in the vein blood vessel can't flow out from puncture needle, at this moment, the guiding convex tendon of vacuum test tube along the holder inwall advanced to puncture needle, conflict and be clamped on the holder until the positioning step of the front end of vacuum test tube and vacuum blood collection inside pipe wall, puncture needle passes big envelope and thrusts vacuum test tube therebetween, because in the vacuum test tube is negative pressure, quantitative blood can automatically be drawn in the vacuum test tube; A vacuum blood collection blood sampling tube finishes, and it is taken off from holder to get final product in the opposite direction, and this moment, big envelope can surround sealing with puncture needle automatically under the elastic force effect of himself; If need blood sampling continuously, all the other vacuum test tubes advanced and can finish to puncture needle more in a manner described.After finishing last blood sampling, take off vacuum test tube earlier, extract blood taking needle again.For the blood taking needle of carrying pipe, protective cover is covered on the blood taking needle, by the snap lock tooth protective cover and blood taking needle are locked together, prevent the mistake thorn.Then only need holder is upside down, the singlehanded light button of pressing can make the blood taking needle assembly break away from holder smoothly and lose special-purpose discarding in the bucket, and is simple and efficient.
Claims (10)
1, a kind of safe and convenient hemostix, comprise blood taking needle assembly (1,34) and can supply the localized holder of vacuum test tube (3) (2) thereon, this blood taking needle assembly comprises needle stand (5) and is connected in the blood taking needle (4) of needle stand one end, the other end that it is characterized in that needle stand is fixed with puncture needle (7) that communicates with blood taking needle and the elastic cuff (6) that contains puncture needle, and described blood taking needle assembly (1,34) is connected on the described holder (2) by needle stand (5).
2, safe and convenient hemostix according to claim 1 is characterized in that the upper end of described holder (2) is provided with the button (13) of a pair of resilient engagement, has latch (27) on the button (13); Has the flange (29) that cooperates with latch on the described needle stand (5).
3, safe and convenient hemostix according to claim 2, the inner that it is characterized in that described button (13) has elastic component (15), the middle part has chimeric through hole (25) and recess (26) mutually, described latch (27) is positioned at the inboard of through hole, and the upper end of latch (27) and the flange on the needle stand (29) have the inclined-plane (28) that cooperatively interacts.
4, according to claim 2 or 3 described safe and convenient hemostixes, the both sides and the upper surface that it is characterized in that described button (13) have stopper slot (14) and gathering sill (24) respectively, and a fixture (12) is connected mutual chimeric button by limited block on it (23) and guide pad (16) upper end of holder; The middle part of described fixture (12) upper surface has a stepped hole (21), and the both sides of stepped hole have shell fragment (22), has chimeric positioning tooth (31) mutually on the step surface of stepped hole and on the needle stand.
5, safe and convenient hemostix according to claim 4 is characterized in that the upper surface of described holder (2) has two connecting holes (30), and the outside of connecting hole (30) has guide runner (20); Has the hook (17) that cooperates with connecting hole on the fixture (12).
6, safe and convenient hemostix according to claim 1 is characterized in that described blood taking needle assembly (1) is that blood taking needle (4) directly is fixed on the needle stand (5).
7, safe and convenient hemostix according to claim 1 is characterized in that described blood taking needle assembly (34) is is to be connected on the needle stand (5) by a conduit (9) with blood taking needle (4); The afterbody of blood taking needle (4) be fixed with needle handle (10) and with rotating manner the afterbody of needle handle (10) connect one can hold blood taking needle cuboid protective cover (11) and in, be provided with locking member (33) in the protective cover (11).
8, safe and convenient hemostix according to claim 7; it is characterized in that described locking member (33) is a pair of lock tooth that is divided into protective cover two medial walls; two lock teeth are established relatively, and the gradient of tendency protective cover inboard is arranged, and two lock tooth opposite positions leave the gap less than the syringe needle external diameter.
9,, it is characterized in that being with protective sleeve (8) respectively on described blood taking needle (4) and the puncture needle (7) according to claim 6 or 7 described safe and convenient hemostixes.
10, safe and convenient hemostix according to claim 1 is characterized in that described holder (2) for cylindric, and its inner wall even distribution has guiding convex tendon (19), and the upper end of inwall also has positioning table valency (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231778 CN2618563Y (en) | 2003-05-28 | 2003-05-28 | Safety portable hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231778 CN2618563Y (en) | 2003-05-28 | 2003-05-28 | Safety portable hemostix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2618563Y true CN2618563Y (en) | 2004-06-02 |
Family
ID=34248358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03231778 Expired - Fee Related CN2618563Y (en) | 2003-05-28 | 2003-05-28 | Safety portable hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2618563Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333696A (en) * | 2016-11-01 | 2017-01-18 | 上海宝舜医疗器械有限公司 | Disposable, safe and retractable blood collecting device |
| CN106963397A (en) * | 2017-04-01 | 2017-07-21 | 无锡市第五人民医院 | Size rathole bottom is efficiently taken a blood sample blood-collecting apparatus |
| CN107569241A (en) * | 2017-09-29 | 2018-01-12 | 肖涵杨 | A kind of medical science venous blood collection needle holder |
| CN110236567A (en) * | 2019-06-18 | 2019-09-17 | 杭州医学院 | A blood collection device |
| CN111407289A (en) * | 2020-04-23 | 2020-07-14 | 郑州大学第一附属医院 | A medical lancet |
| CN112842336A (en) * | 2021-01-12 | 2021-05-28 | 王盛 | Blood collection bottle for blood collection in immune cell therapy |
-
2003
- 2003-05-28 CN CN 03231778 patent/CN2618563Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333696A (en) * | 2016-11-01 | 2017-01-18 | 上海宝舜医疗器械有限公司 | Disposable, safe and retractable blood collecting device |
| CN106963397A (en) * | 2017-04-01 | 2017-07-21 | 无锡市第五人民医院 | Size rathole bottom is efficiently taken a blood sample blood-collecting apparatus |
| CN107569241A (en) * | 2017-09-29 | 2018-01-12 | 肖涵杨 | A kind of medical science venous blood collection needle holder |
| CN110236567A (en) * | 2019-06-18 | 2019-09-17 | 杭州医学院 | A blood collection device |
| CN110236567B (en) * | 2019-06-18 | 2022-05-31 | 杭州医学院 | a blood collection device |
| CN111407289A (en) * | 2020-04-23 | 2020-07-14 | 郑州大学第一附属医院 | A medical lancet |
| CN112842336A (en) * | 2021-01-12 | 2021-05-28 | 王盛 | Blood collection bottle for blood collection in immune cell therapy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040602 Termination date: 20110528 |