CN107569243A - A kind of blood sampling collection from heel device - Google Patents
A kind of blood sampling collection from heel device Download PDFInfo
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- CN107569243A CN107569243A CN201710764280.7A CN201710764280A CN107569243A CN 107569243 A CN107569243 A CN 107569243A CN 201710764280 A CN201710764280 A CN 201710764280A CN 107569243 A CN107569243 A CN 107569243A
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- blood sampling
- shell body
- knife rest
- spring
- knife
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Abstract
A kind of blood sampling collection from heel device, including shell body, triggering button, percussion spring, blood sampling execution component, locking component；Shell body is made up of two half shells, and the front and back ends of shell body are respectively equipped with out the edge of a knife and installation gap, and side is provided with guide and limit post and locating dowel in first half-shell body；Triggering button be placed at installation gap and by it is front and rear it is moveable in a manner of be connected with housing；Blood sampling performs component and is made up of knife rest and blade, and the middle part of knife rest is provided with connects the pilot hole formed by being directly oriented to before and after hole portion is oriented to hole portion with circle；The leading section of blade and knife rest forms connected；Percussion spring is located between triggering button and knife rest；Locking component includes registration arm and torsion spring, and both coaxial packages are in locating dowel, and the end of registration arm is provided with gib head, and the other end at knife rest rear portion is provided with hook platform；One end of torsionspring is connected with the hanging column being located in registration arm, and the other end of torsionspring is connected with shell body.This blood sampling collection from heel device reduces blood sampling pain, ensure that the stability of blood sampling volume.
Description
Technical field
The invention belongs to technical field of medical instruments, more particularly to a kind of blood sampling collection from heel device of baby's blood sampling.
Background technology
Neonatal heel blood examination refers to gather the inspection that Heel blood is carried out after baby due 72 hours.Mainly for hair
Sick rate is higher, early stage non-evident sympton but has laboratory positive indication, can make a definite diagnosis and treatable disease.At present, it is right
Neonate's blood sampling collection from heel, typically realized by two class hemostixes：A kind of hemostix is common tip hemostix, this kind of blood sampling
Apparatus realizes blood sampling by way of acupuncture, and it is mainly used in finger pulp blood sampling；Another kind of blood taking instrument is to aim at blood sampling collection from heel
The blood sampling collection from heel device of design, this kind of hemostix realize blood sampling by way of blade designated port.Blood sampling collection from heel device is compared to existing
Common tip hemostix, there is the advantages of amount of bleeding is big, and pain is light, therefore, in terms of neonate's blood sampling collection from heel, have good
Application prospect.
At present, the type of blood sampling collection from heel device on the market is also fewer, and existing blood sampling collection from heel device is in blood sampling speed, blood sampling
Stability of amount etc., which can manage it, to be needed further to be improved, further, since blood sampling collection from heel device is medical disposable material, it is low reaching
Bitterly, in the case of stable blood sampling, constituting parts less, structure it is simpler, can more meet the market demand.
The content of the invention
The present invention provides a kind of raising blood sampling speed to solve technical problem present in known technology, is adopted so as to reduce
Blood is keenly felt；Wound size error is small, so as to ensure the stability of blood sampling volume；And constituting parts is few, adopted so as to reduce the heel of cost
Blood device.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of blood sampling collection from heel device, it is characterised in that：Including shell body, triggering button, percussion spring, blood sampling perform component,
Locking component；
The shell body is fastened and connected and formed by first half-shell body and the second half shell, is provided with out in the front end of shell body
The edge of a knife, the rear end of shell body is provided with installation gap, side is provided with first half-shell body performs what component coordinated with blood sampling
Guide and limit post and the locating dowel coordinated with locking component；The guide and limit post is set with locating dowel in front and rear, guide and limit
The outer surface of post is connected and composed by two parallel sides with former and later two in the arc surface being arranged concentrically；
The triggering button be placed in a manner of rear portion is exposed at the installation gap and by it is front and rear it is moveable in a manner of with
Housing forms connection；
The blood sampling performs component and is made up of knife rest and blade, is provided with and the guide and limit in the medium position of knife rest
Post forms the pilot hole that inserting coordinates, and the pilot hole is by the wide straight guiding hole portion of two parallel sides with guide and limit post
The circle isometrical with two arc surfaces with guide and limit post is oriented to before and after hole portion and connects composition；The leading section of the blade and knife rest
Form a fixed connection；
The percussion spring is arranged between triggering button and knife rest, fires the rearward end of spring with triggering by key contacts,
Fire the leading section of spring and the rear portion of knife rest and correspond to the end thereof contacts of triggering button；
The locking component includes registration arm and torsion spring, and registration arm, in the locating dowel, is being determined with torsion spring coaxial package
The end set of position arm has gib head, and the other end at knife rest rear portion, which is provided with to be formed to link with gib head, coordinates hook platform；Reverse bullet
One end of spring is connected with the hanging column being arranged in registration arm, and the other end of torsionspring is connected with shell body；
In blood sampling collection from heel device under cock is treated, triggering button is located at rear working position, the gib head and knife rest of registration arm
Hook platform formed and link cooperations, straight guiding hole portion and guide and limit the post formation of knife rest are engaged, and blade is located in shell body
Rear working position and directly aligned with going out the edge of a knife；
In the case where blood sampling collection from heel device is in cock, triggering button stress moves to preceding working position, drives registration arm around positioning
Post turns to gib head and completely disengages position with hook platform, and in the case where firing spring effect, knife rest moves forward to circle guiding hole portion and limited with being oriented to
Position post, which is formed, to be engaged position, the point of a knife of blade through go out the edge of a knife first stretch out afterwards rotate counterclockwise to the edge of a knife deviated from shell body
Position.
Preferably：The triggering button uses integrated injection molding structure, and it is by touch panel, the receiving being connected with touch panel inner face
Cover, be arranged on the two guide pads composition for accommodating the spring mounting post for covering interior connection touch panel, being connected with accommodating set side, two are led
It is be arranged in parallel along the longitudinal direction to block, guide groove is provided with two guide pads；Two guide pads are respectively by guide groove with setting
Put the guiding rib on the inside of two half shells and form linear slide cooperation；The spring mounting post and the anterior formation of percussion spring
Suit coordinates.
Preferably：Be provided with arc bent plate in knife rest rear portion and the corresponding one end of triggering button, the intrados of arc bent plate and
The front end for firing spring forms contact, and being provided at both ends with for arc bent plate prevents from firing the side block side that spring at front end skids off.
Preferably：Side position corresponding with installation torsionspring is provided with raised ribs in first half-shell body, in raised ribs
On be provided with mounting groove, the other end of torsionspring is stuck in mounting groove.
Preferably：The shell body generally deltiod shell structure, it is described go out the edge of a knife be arranged on the upper of the second half shell.
Preferably：The blade is arranged on the same side position for being located at guide and limit post with locking component.
The present invention has the advantages and positive effects of：
1st, common blood sampling collection from heel device number of fitting parts is wanted more than ten on the market, and this blood sampling collection from heel device is made up of 8 accessories, is belonged to
Simple type, materials'use amount is reduced, reduces production cost.
2nd, the blood sampling blade of this blood sampling collection from heel device has accurate spacing control and movement locus during blood sampling, because
This wound size error very little, ensure that the stabilization of blood sampling volume.
3rd, in blood collection procedure is fired, knife rest is constantly subjected to fire the motive force of spring, and point of a knife is formed in patient's finger pulp
During designated port, knife rest is contacted with guide and limit post by circular arc camber, knife rest action is had good continuity, is improved
Take a blood sample speed, pain during so as to reduce blood sampling.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present invention；
Fig. 2 is planar structure schematic diagram (remove second half shell) of the present invention in the case where treating cock；
Fig. 3 is Fig. 2 stereogram；
Fig. 4 is registration arm and the connection diagram of torsion spring in Fig. 3；
Fig. 5 is that present invention point of a knife in the case where firing blood sampling state is moved to the planar structure schematic diagram of front position and (removes the
Two half shells)；
Fig. 6 is Fig. 5 dimensional structure diagram；
Fig. 7 is planar structure schematic diagram (remove second half shell) of the present invention after percussion blood sampling terminates；
Fig. 8 is Fig. 7 dimensional structure diagram；
Fig. 9 is the dimensional structure diagram of first half-shell body of the present invention；
Figure 10 is the dimensional structure diagram of the second half shell of the invention.
In figure：1st, shell body；1-1, first half-shell body；1-1-1, guide and limit post；1-1-2, locating dowel；1-1-3, first
Guiding rib；1-1-4, raised ribs；1-1-4a, mounting groove；1-2, the second half shell；1-2-1, go out the edge of a knife；1-2-2, second are oriented to
Muscle；2nd, button is triggered；2-1, touch panel；2-2, accommodate set；2-3, guide pad；3rd, spring is fired；4th, blood sampling performs component；4-1, knife
Frame；4-1-1, pilot hole；4-1-1a, directly it is oriented to hole portion；4-1-1b, circle are oriented to hole portion；4-1-2, hook platform；4-1-3, curved bend
Plate；4-1-4, side block side；4-2, blade；5th, locking component；5-1, registration arm；5-1-1, gib head；5-1-2, hanging column；5-2, torsion
Spring.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refer to Fig. 1-10, a kind of blood sampling collection from heel device, including shell body 1, triggering button 2, percussion spring 3, blood sampling execution
Component 4, locking component 5.
The shell body is fastened and connected and formed by first half-shell body 1-1 and the second half shell 1-2, and two half shells are injection
Part.The front end of shell body is provided with out edge of a knife 1-2-1, the rear end of shell body is provided with installation gap.In first half-shell body
Inner side is provided with performs the guide and limit post 1-1-1 that component coordinates and the locating dowel 1-1-2 coordinated with locking component with blood sampling.Institute
State guide and limit post to set in front and rear with locating dowel, the outer surface of guide and limit post is in former and later two by two parallel sides
The arc surface being arranged concentrically connects and composes.
The triggering button be placed in a manner of rear portion is exposed at the installation gap and by it is front and rear it is moveable in a manner of with
Housing forms connection.
The blood sampling performs component and is made up of knife rest 4-1 and blade 4-2, is provided with the medium position of knife rest and is led with described
The pilot hole 4-1-1 of inserting cooperation is formed to limited post, the pilot hole is wide by two parallel sides with guide and limit post
Straight guiding hole portion 4-1-1a and the circle isometrical with two arc surfaces of guide and limit post be oriented to before and after hole portion 4-1-1b and connect structure
Into.The leading section of the blade and knife rest forms a fixed connection, adoptable mode have it is a variety of, such as, on knife rest set peace
The position for filling blade is set and the wide concave surface of blade, the square positioning convex of medium position setting in concave surface, on blade
Correspondence position sets square positioning hole.When installing blade, blade is first placed in the concave surface of knife rest, inserts square positioning convex
Enter into square positioning hole, the top of square positioning convex is heated lower compressive strain, be thus completely fixed in blade
On knife rest.
The percussion spring is arranged between triggering button and knife rest, fires the rearward end of spring with triggering by key contacts,
Fire the leading section of spring and the rear portion of knife rest and correspond to the end thereof contacts of triggering button.
The locking component includes registration arm 5-1 and torsion spring 5-2, and registration arm is with torsion spring coaxial package in the locating dowel
On, there is gib head 5-1-1 in the end set of registration arm, the other end at knife rest rear portion, which is provided with to be formed with gib head, links cooperation
Hook platform 4-1-2.One end of the torsionspring is connected with the hanging column 5-1-2 being arranged in registration arm, the other end of torsionspring
It is connected with shell body.
In blood sampling collection from heel device under cock is treated, triggering button is located at rear working position, the gib head and knife rest of registration arm
Hook platform formed and link cooperations, the straight guiding hole portion formation of guide and limit post and knife rest is engaged, and blade is located in shell body
Rear working position and directly aligned with going out the edge of a knife.
In the case where blood sampling collection from heel device is in cock, triggering button stress moves to preceding working position, drives registration arm around positioning
Post turns to gib head and completely disengages position with hook platform, specifically, during mobile before triggering button stress, triggering button leans on
The position (the triggering button in figure is close to the front end inclined-plane position of registration arm) of nearly trigger arm is in contact with registration arm, promotes positioning
Arm is around locating dowel rotate counterclockwise, and when registration arm, which is rotated to gib head and hook platform, to be completely disengaged, knife rest unlocks, and is released,
In the case where firing spring effect, knife rest moves forward to circle guiding hole portion and forms the position that is engaged, the point of a knife of blade with guide and limit post
Through go out the edge of a knife first stretch out afterwards rotate counterclockwise to knife-edge positions deviated from shell body.
The preferred structure of above-mentioned triggering button is：
Triggering button uses integrated injection molding structure, and it covers 2-2 by touch panel 2-1, the receiving being connected with touch panel inner face, set
Accommodating the spring mounting post (not illustrating in the accompanying drawings) being connected in set with touch panel, two guiding being connected with accommodating set side
Block 2-3 is formed, and two guide pads are be arranged in parallel along the longitudinal direction, and guide groove is provided with two guide pads.Two guide pads point
Linear slide is not formed by guide groove and the guiding rib being arranged on the inside of two half shells to coordinate, ensure that triggering button is being hit
During hair blood sampling, linearly move.Wherein, the guiding rib for being arranged on side in first half-shell body is the first guiding rib 1-1-3, if
It is the second guiding rib 1-2-2 to put the guiding rib on the inside of the second half shell.The spring mounting post and the anterior shape of percussion spring
Complete assembling is closed, and the installation of spring is fired when facilitating assembling product and ensure that the stability after installation.Wherein, touch panel be
The position with blood sampling person's heel contact when percussion is taken a blood sample is carried out, the outer surface of touch panel is preferably designed to the curved surface for being easy to finger pulp to press
Shape.
The position that above-mentioned knife rest rear portion coordinates with percussion spring preferably uses following structure：
Knife rest rear portion one end corresponding with triggering button is provided with arc bent plate 4-1-3, the intrados of arc bent plate is with hitting
The front end for sending out spring forms contact, and being provided at both ends with for arc bent plate prevents from firing the side block side 4-1-4 that spring at front end skids off.By
During being taken a blood sample in percussion, acted on by percussion spring, knife rest motion is then inverse around guide and limit post for first straight forward
Hour hands are rotated, and arc shaped bent surface structure is used with percussion spring contacts position on knife rest, ensure that in entirely percussion blood collection procedure,
The front end for firing spring is contacted with larger area formation good hold down all the time with knife rest corresponding position, so, it is ensured that knife rest
The stability of stress, blade is completed with faster speed into withdrawing, advantageously reduce pain in collecting sense.
The other end of above-mentioned torsionspring is connected with housing preferably to be realized using following structure：
Side position corresponding with installation torsionspring is provided with raised ribs 1-1-4 in first half-shell body, in raised ribs
Mounting groove 1-1-4a is provided with, the other end of torsionspring is stuck in mounting groove.The other end of torsionspring is entered using the structure
Row is fixed, and Fast Installation of the locking component on shell body can be achieved, consequently facilitating reducing installation work-hour, and then is advantageously reduced
Product cost.
Above-mentioned shell body integrally preferably uses deltiod shell structure, it is above-mentioned go out the edge of a knife be preferably provided at the second half shell
On.
Insert is preferably mounted at the same side position for being located at guide and limit post with locking component.
The course of work that this blood sampling collection from heel device is taken a blood sample is：
Edge of a knife alignment blood sampling person's heel is used first, then presses triggering button with finger pulp, and pressing button reach makes percussion
Spring further compresses, when trigger button move forward to positioning arm contact after, promote registration arm around locating dowel in the counterclockwise direction
Rotation, when registration arm, which is rotated to gib head and hook platform, to be departed from, knife rest is released, in the presence of spring is fired, before knife rest is quick
Move, the point of a knife part of blade is pierced into from edge of a knife stretching is gone out in the heel of blood sampling person, now, the circle of knife rest is oriented to hole portion with leading
Be in contact to limited post, i.e., both enter circular curved surface contact condition, percussion spring continue force effect under, knife rest is along leading
To locating dowel rotate counterclockwise, band cutting blade synchronization rotate counterclockwise, point of a knife is set finally to be withdrawn by the edge of a knife that goes out on shell body
Into shell, during blade rotates, point of a knife forms a designated port in the heel of blood sampling person, realizes blood sampling.This heel is adopted
In the case where treating cock, the rear end face of two guide pads for triggering button contacts blood device with the back edge of shell body, is limited after formation
Position, and precompressed is carried out to percussion spring, form certain precompression；In blood collection procedure is fired, when triggering button touch panel with
Along during contact, triggering button is advanced spacing for the side of shell body.
Claims (6)
- A kind of 1. blood sampling collection from heel device, it is characterised in that：Component, lock are performed including shell body, triggering button, percussion spring, blood sampling Determine component；The shell body is fastened and connected and formed by first half-shell body and the second half shell, and the front end of shell body is provided with out knife Mouthful, the rear end of shell body is provided with installation gap, side is provided with first half-shell body performs leading for component cooperation with blood sampling The locating dowel coordinated to limited post and with locking component；The guide and limit post is set with locating dowel in front and rear, guide and limit post Outer surface by two parallel sides and former and later two be in that the arc surface that is arranged concentrically connects and composes；The triggering button be placed in a manner of rear portion is exposed at the installation gap and by it is front and rear it is moveable in a manner of and housing Form connection；The blood sampling performs component and is made up of knife rest and blade, is provided with and the guide and limit cylindricality in the medium position of knife rest Into inserting coordinate pilot hole, the pilot hole by the wide straight guiding hole portion of two parallel sides with guide and limit post and with The circle that two arc surfaces of guide and limit post are isometrical is oriented to the front and rear connection composition of hole portion；The leading section of the blade and knife rest is formed It is fixedly connected；The percussion spring is arranged between triggering button and knife rest, fires the rearward end of spring with triggering by key contacts, percussion The leading section of spring and the rear portion of knife rest correspond to the end thereof contacts of triggering button；The locking component includes registration arm and torsion spring, and registration arm and torsion spring coaxial package are in the locating dowel, in registration arm End set have gib head, the other end at knife rest rear portion be provided with can be formed with gib head links coordinate hook platform；Torsionspring One end is connected with the hanging column being arranged in registration arm, and the other end of torsionspring is connected with shell body；In blood sampling collection from heel device under cock is treated, triggering button is located at rear working position, the gib head of registration arm and the hook of knife rest Platform, which is formed, links cooperation, and the straight guiding hole portion of knife rest is formed with guide and limit post to be engaged, after blade is located in shell body Working position simultaneously directly aligns with going out the edge of a knife；In the case where blood sampling collection from heel device is in cock, triggering button stress moves to preceding working position, drives registration arm to turn around locating dowel Move to gib head and hook platform and completely disengage position, in the case where firing spring effect, knife rest moves forward to circle and is oriented to hole portion and guide and limit post Formation is engaged position, the point of a knife of blade through go out the edge of a knife first stretch out afterwards rotate counterclockwise in shell body and deviate from edge of a knife position Put.
- 2. blood sampling collection from heel device according to claim 1, it is characterised in that：The triggering button uses integrated injection molding structure, Its receiving set being connected by touch panel, with touch panel inner face, it is arranged on the spring mounting post being connected in receiving set with touch panel and accommodates Two guide pads for covering side connection are formed, and two guide pads be arranged in parallel along the longitudinal direction, are provided with and are led on two guide pads To groove；Two guide pads form linear slide by guide groove and the guiding rib being arranged on the inside of two half shells respectively and coordinated； The spring mounting post and the anterior suit that formed of percussion spring coordinate.
- 3. blood sampling collection from heel device according to claim 1 or 2, it is characterised in that：At knife rest rear portion with triggering button corresponding one End is provided with arc bent plate, and front end formation of the intrados of arc bent plate with firing spring is contacted, and the both ends of arc bent plate are set Having prevents from firing the side block side that spring at front end skids off.
- 4. blood sampling collection from heel device according to claim 1, it is characterised in that：Side and installation torsionspring in first half-shell body Corresponding position is provided with raised ribs, and mounting groove is provided with raised ribs, and the other end of torsionspring is stuck in mounting groove.
- 5. blood sampling collection from heel device according to claim 1, it is characterised in that：The shell body generally deltiod housing knot Structure, it is described go out the edge of a knife be arranged on the upper of the second half shell.
- 6. blood sampling collection from heel device according to claim 1, it is characterised in that：The blade is arranged on to be located at locking component and led To the same side position of limited post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764280.7A CN107569243B (en) | 2017-08-30 | 2017-08-30 | Heel hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764280.7A CN107569243B (en) | 2017-08-30 | 2017-08-30 | Heel hemostix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107569243A true CN107569243A (en) | 2018-01-12 |
| CN107569243B CN107569243B (en) | 2021-03-19 |
Family
ID=61030498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710764280.7A Active CN107569243B (en) | 2017-08-30 | 2017-08-30 | Heel hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107569243B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151194A (en) * | 2019-04-02 | 2019-08-23 | 天津华鸿科技股份有限公司 | Hemostix |
| CN110226935A (en) * | 2019-07-05 | 2019-09-13 | 廊坊新耀医疗器械有限公司 | Automatic micro-incision formula tip hemostix |
| CN111166349A (en) * | 2018-11-12 | 2020-05-19 | 天津华鸿科技股份有限公司 | Blood sampler |
| CN111449660A (en) * | 2020-03-18 | 2020-07-28 | 天津华鸿科技股份有限公司 | Blood sampler |
| CN114028223A (en) * | 2021-12-26 | 2022-02-11 | 安徽中医药大学 | Aseptically-packaged acupuncture needle box and acupuncture needle inserting device |
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