CN107582072B - A kind of blood-taking device with elastic bridge buffer structure - Google Patents
A kind of blood-taking device with elastic bridge buffer structure Download PDFInfo
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- CN107582072B CN107582072B CN201710850138.4A CN201710850138A CN107582072B CN 107582072 B CN107582072 B CN 107582072B CN 201710850138 A CN201710850138 A CN 201710850138A CN 107582072 B CN107582072 B CN 107582072B
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- striking face
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- tubular articles
- elastic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
Abstract
A kind of blood-taking device with elastic bridge buffer structure, including shell, emission element and elastic element；Housing forward end is equipped with blood sample-taking end face, and enclosure interior is equipped with passive striking face；Passive striking face is corresponded on emission element equipped with active striking face；It is characterized by: the tube wall of each pair of slot segmentation middle section is isolated into elastic bridge by way of transversal slotting in the outer rim of a tubular articles, passive striking face is located at bridge arch or bridge arch extends on body side surface, in transmit state when the active striking face on emission element is collided with passive striking face, elastic bridge alleviates shock and vibration by the deformation of itself, is constituted elastic bridge buffer structure with this.Needle point is shaken when puncture is effectively reduced in this programme, reduces and punctures feeling of pain, solves the problems, such as that previous prior art effect is poor.
Description
Technical field
The present invention relates to medical blood taking instrument field, in particular to a kind of blood-taking device with elastic bridge buffer structure.
So-called blood-taking device includes two major classes product, and the first kind is blood collecting pen, and the second class is hemostix (or blood taking needle).
Background technique
In medical blood taking field, the blood taking instrument (or blood-taking device) of trace blood is carried out for diabetic etc.
Two major classes are generally comprised, the first kind is blood collecting pen, and the second class is hemostix (or blood taking needle).Blood collecting pen is a kind of and disposable
The matching used blood-taking device of blood taking needle, wherein blood collecting pen is reusable, and blood taking needle is only one in order to avoid cross infection
Secondary property uses.And the usually included ejection mechanism of hemostix, and it is small in size, compact-sized, overall time uses.
The development of blood taking instrument has many decades history, wherein the improvement to blood-taking device also experienced many stages, mesh
Preceding just gradually to move to maturity, the design of previous such product is more concern blood sampling effect, and now with the continuous of technology
Progressive and people's living standard improves, and the theory of such product design is: more to close under the premise of guaranteeing to take a blood sample effect
Infuse user experience and user's impression.Wherein, when how to reduce puncture needle point shake, reduce puncture feeling of pain, give it is painless or
Hypodynia feel be those skilled in the art concern matter of utmost importance.
United States Patent (USP) US20070173874A1 discloses an entitled " Method on July 26th, 2007
Dampened lancing " and (with damping blood-sampling method) invention patent application case.This application is penetrated on bar blood collecting pen
A rubber ring is set with as damper, buffer function is played by rubber ring between limit striking face after penetrating bar transmitting, thus
Needle point shake is reduced to reduce puncture feeling of pain.
Chinese patent 2013102721077 disclosed on September 18th, 2,013 one it is entitled " a kind of with buffer unit
Blood-taking device " invention patent application case.This application blood-taking device case inside limit striking face and emission element it
Between be equipped with buffer unit, the buffer unit be the damper with elastic material.
As a whole, two above patent application case gives the technical side that needle point is shaken when can reduce puncture
Case, but the influence of the factors such as the elastic properties of materials due to being damped device, aging and damper thickness, product design are difficult to have
Preferable effect finds down painless or hypodynia preferable feeling in guarantee blood sampling volume in advance, therefore in practical applications
Effect and not as people imagine so good, and more consideration is given to be to be conducive to conducting promotion to for product.For this purpose, how
Make blood-taking device in the case where guaranteeing blood sampling volume in advance, needle point is shaken when effectively reducing puncture, reduces and punctures feeling of pain, is the present invention
It solves the problems, such as.
Summary of the invention
The present invention provides a kind of blood-taking device with elastic bridge buffer structure, and the purpose is to guarantee that blood sampling volume shifts to an earlier date
Under, needle point is shaken when puncture is effectively reduced, and reduces and punctures feeling of pain, solves the problems, such as that previous prior art effect is poor.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: it is a kind of with elastic bridge buffer structure blood sampling dress
It sets, including shell, emission element and elastic element.
The housing forward end is equipped with the blood sample-taking end face for being used to contact human blood collection position, which is equipped with needle
Hole, enclosure interior are equipped with the passive striking face for being used to limit catapulting distance in front of emission element.
The emission element, which is one, can install penetrating bar or being a blood taking needle for blood taking needle, corresponding on emission element
The passive striking face of enclosure interior is equipped with active striking face, and emission element is under elastic element promotion in shell in transmit state
It axially inside launches forward, until active striking face is collided with passive striking face and is obstructed.
Its innovation is: the blood-taking device has a tubular articles, along tube body transverse direction in the outer rim of the tubular articles
Offer at least two pairs of slot segmentations, each pair of slot segmentation is arranged by two groove bodies tube body is axially spaced, all pairs of slot segmentations
Along the circumferentially spaced apart arrangement of tubular articles outer rim, the groove body is less than 180 degree, and groove body in the opening of tubular articles outer rim circumferential direction
The tube wall of tubular articles is extended radially through in tube body, the tube wall for being located at middle section is isolated into elastic bridge by each pair of slot segmentation, elasticity
The both ends of bridge are connected with tubular articles, and for the bridge arch of elastic bridge with respect to tubular articles independence, the passive striking face is located at bridge
Encircle on perhaps bridge arch ennation and be the side that bridge arch or bridge arch ennation lean on active striking face side, bullet is constituted with this
Property bridge buffer structure.
Related content in above-mentioned technical proposal is explained as follows:
1. the theme of above-mentioned technical proposal is blood-taking device.So-called blood-taking device is the general name of blood taking instrument, in the present invention
Middle blood-taking device includes two major classes product, and the first kind is blood collecting pen, and the second class is hemostix (or blood taking needle).
2. usually only two kinds of structure types, one is blood samplings about the needle point paracentesis depth adjustability problem of blood-taking device
The needle point paracentesis depth of device can realize adjustment by paracentesis depth regulating mechanism, (such as adult to meet all ages and classes
And children) and the blood sampling object such as different cortical thickness needs.Another kind is that the needle point paracentesis depth of blood-taking device cannot be adjusted,
Specific needle point paracentesis depth is manufactured and designed in advance by product to determine.Above-mentioned technical proposal is not only suitable for needle point paracentesis depth not
Adjustable blood-taking device is also applied for the adjustable blood-taking device of needle point paracentesis depth.Blood sampling adjustable for needle point paracentesis depth
For device, blood-taking device shell is equipped with paracentesis depth regulating mechanism, adjusts the paracentesis depth regulating mechanism and can change and adopts
Blood end face and passive striking face are at a distance from blood-taking device axial direction, to adjust needle point paracentesis depth.
3. can be realized needle point paracentesis depth regulatory function for blood-taking device and belong to the prior art, the prior art
In also give many such examples, such as the disposable depth-adjustable needle insertion peace of Chinese patent CN105816188A(modified
Whole blood sampling needle)；The improved disposable safety blood taking needle capable of adjusting puncture depth of Chinese patent CN205586011U()；Chinese patent
The detachable hat type of CN106137222A(Novel blood-collecting pen adjusts head)；The detachable hat type tune of Chinese patent CN102871672A(blood collecting pen
Section header)；Chinese patent CN2579344Y(modified applies Bill's disposable adjustable safety automation blood taking needle)；Chinese patent
The disposable safety blood taking needle capable of adjusting puncture depth of CN200945164Y()；Chinese patent CN2496397Y(hemostix felting-needle depth
Modified adjusts head) etc..
4. in above-mentioned technical proposal, " front end ", " front " and the meaning of " preceding " refers to blood collecting pen and adopts in " forward "
The firing direction of blood taking needle in blood device.
5. in above-mentioned technical proposal, " axial direction " refers to the axis direction of blood collecting pen and hemostix, or is front and back
To." circumferential direction " refers to the circumferencial direction of the axis around blood collecting pen and hemostix." radial direction " refers to perpendicular to blood sampling
The diameter or radial direction of pen and hemostix axis.
6. in above-mentioned technical proposal, the tubular articles refer to the structural member of tubular form, and cross sectional shape not only can be with
Be it is round, be also possible to rectangle, triangle, polygon and abnormity etc., such as can be with round tube, square tube, rectangular tube, triangle tube
And polygonal tube.
7. in above-mentioned technical proposal, in order to be evenly arranged passive striking face in the circumferential direction of blood-taking device tubular articles,
To improve the stability collided, the elastic bridge is quantitatively at least two, and all elastic bridge is located axially at together in tube body
One position, and being arranged circumferentially in tubular articles, the passive striking face on each elastic bridge bridge arch or bridge arch ennation
It is respectively positioned on the same cross section of the tubular articles.
The principle of the invention and design are: in order to solve the previous prior art because be damped device elastic properties of materials, aging etc. because
The problem of plain impact effect difference, the present invention will be among each pair of slot segmentations by way of transversal slotting in the outer rim of tubular articles
Partial tube wall is isolated into elastic bridge, and the both ends of the elastic bridge are connected with tubular articles, and the bridge arch of elastic bridge is relatively tubular
Component is independent and uses as elastomer, and passive striking face is then located at bridge arch or bridge arch extends on body side surface, is being emitted
Bridge arch or bridge arch under state when active striking face and elastic bridge on emission element extend the passive striking face on body side surface
When collision, elastic bridge alleviates active striking face bring shock and vibration by the deformation of itself, and it is slow to be constituted elastic bridge with this
Rush structure.
The present invention has the characteristics that compared with prior art and effect:
1. buffer structure of the present invention is integrally designed on a tubular articles completely, do not need in addition to increase special bullet
Property part as buffer structure, also do not influenced by other elastic materials, and previous damper in the prior art was usually by special
Elastic material be made.
2. structure size when the elastic size of buffer structure of the present invention completely can be by design flexibility bridge carries out essence
Really control.For example, the span of the width of elastic bridge, elastic bridge and the parameters such as thickness of elastic bridge will all directly affect buffering knot
The elastic size of structure, as long as changing the elastic size that these parameter sizes change elastic bridge in design.
3. buffer structure consistency is easily guaranteed that when present invention manufacture, and performance is stablized in use, it is highly reliable, by outer
The influence of boundary's interference is small.
4. the present invention directly on tubular element by fluting form elastic bridge, using elastic bridge bridge arch or bridge arch and its
Axially there is ennation elastic deformability to form buffer structure, and design rationally, is skillfully constructed, has compared with prior art
There are substantive distinguishing features outstanding and significant progress.
Detailed description of the invention
Attached drawing 1 is the schematic illustration before the transmitting of 1 blood collecting pen of the embodiment of the present invention；
Attached drawing 2 is the enlarged drawing in Fig. 1 at A；
Attached drawing 3 is schematic illustration when 1 blood collecting pen of the embodiment of the present invention emits；
Attached drawing 4 is the enlarged drawing in Fig. 3 at B；
Attached drawing 5 is the perspective view of set elastic bridge on tubular articles in 1 blood collecting pen of the embodiment of the present invention；
Attached drawing 6 is the elastic bridge cross-sectional view of the structure in Fig. 5；
Attached drawing 7 is the schematic illustration before the transmitting of 2 hemostix of the embodiment of the present invention；
Attached drawing 8 is the enlarged drawing in Fig. 7 at C；
Attached drawing 9 is schematic illustration when 2 hemostix of the embodiment of the present invention emits；
Attached drawing 10 is the enlarged drawing in Fig. 9 at D；
Attached drawing 11 is the first version schematic illustration of elastic bridge of the present invention；
Attached drawing 12 and Figure 13 are second of version schematic illustration of elastic bridge of the present invention；
Attached drawing 14 and Figure 15 are the third version schematic illustration of elastic bridge of the present invention.
In the figures above: 1. adjustment caps；2. needle stand；3. shooting spring；4. blood sample-taking end face；5. needle outlet；6. passive hit
Face；7. penetrating bar；8. blood taking needle；9. active striking face；10. tubular articles；11. slot segmentation；12. elastic bridge；Convex block in 13.；14.
Outer convex block；Straight trough in 15.；16. outer straight trough.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
A kind of embodiment 1: blood collecting pen with elastic bridge buffer structure
Blood collecting pen is a kind of and matching used blood-taking device of disposable blood taking needle, and wherein blood collecting pen is reusable, and
Blood taking needle is only disposable in order to avoid cross infection.
As shown in Fig. 1 ~ Fig. 6, which includes that shell, emission element and elastic element (are penetrated in the present embodiment
Spring 3 is hit, sees Fig. 1 and Fig. 2).
The shell front is equipped with adjustment cap 1(and sees Fig. 1 and Fig. 2), the adjustment cap 1 has for the present embodiment blood collecting pen
Two effects, first is that (principle and structure that paracentesis depth is adjusted are referring to existing skill for the rotation adjustable paracentesis depth of adjustment cap 1
Art), second is that dismounting adjustment cap 1 is used to load and unload disposable blood taking needle 8.1 front end of adjustment cap, which is equipped with, to be used to contact human blood collection portion
The blood sample-taking end face 4(of position is shown in Fig. 1 and Fig. 2), which is equipped with needle outlet 5, and enclosure interior, which is equipped with, to be used to limit emission part
The passive striking face 6(of catapulting distance is shown in Fig. 2 and Fig. 4 in front of part).
The emission element be one blood taking needle 8 can be installed penetrate bar 7, penetrate 7 front of bar equipped with needle stand 2(and see Fig. 1 and figure
2), disposable blood taking needle 8 is inserted on needle stand 2.Passive shock inside (2 front end of needle stand) corresponding housing is penetrated on bar 7
Face 6 is equipped with active striking face 9(and sees Fig. 2 and Fig. 4).The edge inside housings in the case where shooting spring 3 pushes of bar 7 is penetrated in transmit state
It launches axially forward, until active striking face 9 is collided with passive striking face 6 and is obstructed.
Innovation of the invention is: on the blood collecting pen there is a tubular articles 10(to see Fig. 1 and Fig. 2), the tubular articles
10 can be the shell in blood collecting pen pen body, a certain component being also possible in shell.The edge in the outer rim of the tubular articles 10
Tube body laterally offers at least two pairs of slot segmentation 11(the present embodiment using two pairs of slot segmentations 11, sees Fig. 5), each pair of slot segmentation 11
Arranged by two groove bodies tube body is axially spaced, all pairs of slot segmentations 11 along the circumferentially spaced apart arrangement of 10 outer rim of tubular articles,
The groove body tubular articles 10 outer rim circumferential direction opening be less than 180 degree (see figure 6), and groove body extended radially through in tube body it is tubular
The tube wall for being located at middle section is isolated into elastic bridge 12(and sees Fig. 5 and Fig. 6 by the tube wall of component 10, each pair of slot segmentation 11), elasticity
The both ends of bridge 12 are connected with tubular articles 10, and the bridge arch of elastic bridge 12 is independent with respect to tubular articles 10, the passive shock
Face 6 is located on bridge arch ennation, and is the side that bridge arch ennation leans on 9 side of active striking face, and it is slow to be constituted elastic bridge with this
Rush structure.
The elastic bridge 12 is quantitatively at least two (two elastic bridges 12 being used in the present embodiment, see Fig. 6), is owned
Elastic bridge 12 is located axially at same position, and being arranged circumferentially in tubular articles 10, each elastic bridge 12 in tube body
Passive striking face 6 on bridge arch ennation is respectively positioned on the same cross section of the tubular articles 10.
The bridge arch ennation is that the interior convex block 13(to extend internally on the inside of bridge arch is shown in Fig. 6), the passive striking face 6 is interior
Convex block 13 leans on the side of 9 side of active striking face, and the active striking face 9 is touched in 10 inside of tubular articles with passive striking face 6
Hit cooperation.
Course of work when the present embodiment uses is as follows:
Adjustment cap 1 is equipped with paracentesis depth regulating mechanism, and blood sample-taking end face 4 can be changed by adjusting the paracentesis depth regulating mechanism
With passive striking face 6 at a distance from blood collecting pen axial direction, to adjust needle point paracentesis depth.
Adjustment cap 1 is pulled out, blood taking needle 8 is inserted to penetrating on the needle stand 2 of 7 front end of bar, then loads onto adjustment cap 1, then backward
It draws a lower tail slide (not shown) that shooting spring 3 is made to be in compressive state, penetrates bar 7 at this time and be in battery.It uses
When, the blood sample-taking end face 4 for anterior end of pen of taking a blood sample is directed at human blood collection position, then presses firing button (not shown), blood sampling
Needle 8 and penetrate bar 7 shooting spring 3 promotion under launch axially forward inside housings.Fig. 2 is at the A before blood collecting pen transmitting
Enlarged drawing, Fig. 4 be blood collecting pen transmitting when B at enlarged drawing.Before penetrating bar 7 when as can be seen that emitting in the comparison of the two figures
The active striking face 9 at end hits the passive striking face 6 on the inside of elastic bridge bridge arch on convex block 13 and is obstructed, and elastic bridge 12 passes through certainly
The 9 bring shock and vibration of active striking face are alleviated in the deformation of body, to reduce needle point shake to reduce puncture feeling of pain.
A kind of embodiment 2: hemostix with elastic bridge buffer structure
Hemostix is a kind of included ejection mechanism and blood taking needle 8, and small in size, compact-sized, what overall time used
Blood-taking device.
As shown in Fig. 7 ~ Figure 10, which includes that shell, emission element and elastic element (are penetrated in the present embodiment
Spring 3 is hit, sees Fig. 7 and Fig. 9).
The shell front is equipped with adjustment cap 1(and sees Fig. 7 and Fig. 9), adjustment cap 1 for the present embodiment hemostix
There is an effect, i.e., (principle and structure that paracentesis depth is adjusted are referring to existing skill for the rotation adjustable paracentesis depth of adjustment cap 1
Art).1 front end of adjustment cap, which is equipped with to be used to contact the blood sample-taking end face 4(at human blood collection position, sees Fig. 7 and Fig. 9), in the blood sample-taking end face 4
Equipped with needle outlet 5, enclosure interior is equipped with the passive striking face 6(for being used to limit catapulting distance in front of emission element and sees Fig. 8 and figure
10).
The emission element is that a blood taking needle 8(is shown in Fig. 7 and Fig. 9), the passive shock on blood taking needle 8 inside corresponding housing
Face 6 is equipped with active striking face 9(and sees Fig. 8 and Figure 10).Blood taking needle 8 is in the case where shooting spring 3 is pushed in shell in transmit state
Portion is launched axially forward, until active striking face 9 is collided with passive striking face 6 and is obstructed.
Innovation of the invention is: on the hemostix there is a tubular articles 10(to see Fig. 7 and Fig. 9), the tubular articles
10 can be the shell of hemostix, a certain component being also possible in shell.Along tube body cross in the outer rim of the tubular articles 10
To offering at least two pairs of slot segmentation 11(the present embodiment using two pairs of slot segmentations 11, Fig. 5 can be referred to), each pair of slot segmentation 11
Arranged by two groove bodies tube body is axially spaced, all pairs of slot segmentations 11 along the circumferentially spaced apart arrangement of 10 outer rim of tubular articles,
The groove body is less than 180 degree (can refer to Fig. 6) in the opening of tubular articles 10 outer rim circumferential direction, and groove body is radially passed through in tube body
The tube wall of tubular articles 10 is worn, the tube wall for being located at middle section is isolated into elastic bridge 12(and sees Fig. 8 and figure by each pair of slot segmentation 11
10), the both ends of elastic bridge 12 are connected with tubular articles 10, and the bridge arch of elastic bridge 12 is independent with respect to tubular articles 10, described
Passive striking face 6 is located on bridge arch ennation, and is the side that bridge arch ennation leans on 9 side of active striking face, is constituted with this
Elastic bridge buffer structure.
The elastic bridge 12 quantitatively at least two (two elastic bridges 12 are used in the present embodiment, can be with reference to figure
6), all elastic bridge 12 is located axially at same position, and being arranged circumferentially in tubular articles 10, each bullet in tube body
Passive striking face 6 on property 12 bridge arch ennation of bridge is respectively positioned on the same cross section of the tubular articles 10.
The bridge arch ennation is that the interior convex block 13(to extend internally on the inside of bridge arch can refer to Fig. 6), the passive shock
Face 6 is the side that interior convex block 13 leans on 9 side of active striking face, the active striking face 9 the inside of tubular articles 10 with passively hit
Hit the collision cooperation of face 6.
Course of work when the present embodiment uses is as follows:
Adjustment cap 1 is equipped with paracentesis depth regulating mechanism, and blood sample-taking end face 4 can be changed by adjusting the paracentesis depth regulating mechanism
With passive striking face 6 at a distance from blood collecting pen axial direction, to adjust needle point paracentesis depth.
In use, the blood sample-taking end face 4 of hemostix front end is directed at human blood collection position, firing button is then pressed (in figure
It is not shown), blood taking needle 8 launches axially forward inside housings under the promotion of shooting spring 3.Fig. 8 is before blood collecting pen emits
C at enlarged drawing, Figure 10 be blood collecting pen transmitting when D at enlarged drawing.It is adopted when as can be seen that emitting from the comparison of the two figures
The active striking face 9 of blood needle side hits the passive striking face 6 on the inside of elastic bridge bridge arch on convex block 13 and is obstructed, elastic bridge 12
Alleviate the 9 bring shock and vibration of active striking face by the deformation of itself, punctures pain to reduce needle point shake to reduce
Pain.
For above embodiments 1 and embodiment 2, the issuable variation of the present invention is described as follows:
It, can be with before 1. the blood-taking device that above-described embodiment 1 and embodiment 2 are recorded is equipped with paracentesis depth regulating mechanism
Needle point paracentesis depth is adjusted by paracentesis depth regulating mechanism.It is suitable for adopting without paracentesis depth regulating mechanism
Blood pen and hemostix.The reason is that whether innovation of the invention has paracentesis depth function and structure unrelated with blood-taking device, this is
Those skilled in the art read readily comprehensible result after the present invention.In addition, can be realized needle point for blood-taking device and wear
Thorn depth adjustment function belongs to the prior art, has been described above in the description of the technology of the present invention content.
2. 10 cross sectional shape of tubular articles provided in above-described embodiment 1 and the corresponding diagram of embodiment 2 is round tube, but this
Invent not limited to this, the tubular articles refer to that the structural member of tubular form, cross sectional shape not only can be circle, can also be with
It is rectangle, triangle, polygon and abnormity etc., such as can be with round tube, square tube, rectangular tube, triangle tube and polygon
Pipe.
3. in above-described embodiment 1 and embodiment 2, the passive striking face 6, which is each provided on the inside of 12 bridge arch of elastic bridge, inwardly to be prolonged
On the interior convex block 13 stretched.But the present invention is not limited to this, can passive striking face 6 be located on the outside of 12 bridge arch of elastic bridge and extend outwardly
Outer convex block 14 on (as shown in Figure 11).The passive striking face 6 is the side that outer convex block 14 leans on 9 side of active striking face, institute
It states active striking face 9 and cooperates in 10 outside of tubular articles with the collision of passive striking face 6.
4. in above-described embodiment 1 and embodiment 2, the passive striking face 6 is each provided on the bridge arch ennation of elastic bridge 12.
But the present invention is not limited to this, passive striking face 6 can also be directly provided on the bridge arch of elastic bridge.Referring to Figure 12 and Figure 13,
Bridge arch on the inner edge of the tubular articles 10 along axially facing elastic bridge 12 offers interior straight trough 15, the passive striking face 6
It is located on the position of interior 15 face bridge arch of straight trough, the active striking face 9 is collided in 10 inside of tubular articles with passive striking face 6
Cooperation.In this change programme, interior straight trough 15 is a kind of to be used to hit passive striking face 6 and provide for active striking face 9
Channel.Referring to Figure 14 and Figure 15, the bridge arch in the outer rim of the tubular articles 10 along axially facing elastic bridge 12 offers outer straight
Slot 16, the passive striking face 6 are located on the position of outer 16 face bridge arch of straight trough, and the active striking face 9 is in tubular articles 10
Outside and the collision of passive striking face 6 cooperate.In this change programme, it is that active striking face 9 is used to that outer straight trough 16, which is also a kind of,
The channel hitting passive striking face 6 and providing.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of blood-taking device with elastic bridge buffer structure, including shell, emission element and elastic element；
The housing forward end is equipped with the blood sample-taking end face (4) for being used to contact human blood collection position, which is equipped with needle
Hole (5), enclosure interior are equipped with the passive striking face (6) for being used to limit catapulting distance in front of emission element；
The emission element, which is one, can install penetrating bar (7) or being a blood taking needle (8), emission element for blood taking needle (8)
Passive striking face (6) inside upper corresponding housing is equipped with active striking face (9), and emission element is in elastic element in transmit state
It is launched axially forward inside housings under promotion, until active striking face (9) collide with passive striking face (6) and are obstructed；
It is characterized by: the blood-taking device has a tubular articles (10), along tube body in the outer rim of the tubular articles (10)
Laterally offering at least two pairs of slot segmentations (11), each pair of slot segmentation (11) is arranged by two groove bodies tube body is axially spaced,
All pairs of slot segmentations (11) are along the circumferentially spaced apart arrangement of tubular articles (10) outer rim, and the groove body is in tubular articles (10) outer rim circumferential direction
Opening be less than 180 degree, and groove body extends radially through the tube wall of tubular articles (10) in tube body, and each pair of slot segmentation (11) will be located at
The tube wall of middle section is isolated into elastic bridge (12), and the both ends of elastic bridge (12) are connected with tubular articles (10), elastic bridge
(12) bridge arch is independent with respect to tubular articles (10), and the passive striking face (6) is located on bridge arch or bridge arch ennation, and
It is the side that bridge arch or bridge arch ennation lean on active striking face (9) side, elastic bridge buffer structure is constituted with this.
2. blood-taking device according to claim 1, it is characterised in that: the elastic bridge (12) is quantitatively at least two
A, all elastic bridge (12) is located axially at same position, and being arranged circumferentially in tubular articles (10) in tube body, respectively
Passive striking face (6) on a elastic bridge (12) bridge arch or bridge arch ennation is respectively positioned on the same transversal of the tubular articles (10)
On face.
3. blood-taking device according to claim 1, it is characterised in that: the bridge arch ennation is to extend internally on the inside of bridge arch
Interior convex block (13), the passive striking face (6) be interior convex block (13) lean on active striking face (9) side side, the active
Striking face (9) cooperates on the inside of tubular articles (10) with passive striking face (6) collision.
4. blood-taking device according to claim 1, it is characterised in that: the bridge arch ennation is to extend outwardly on the outside of bridge arch
Outer convex block (14), the passive striking face (6) be outer convex block (14) lean on active striking face (9) side side, the active
Striking face (9) cooperates on the outside of tubular articles (10) with passive striking face (6) collision.
5. blood-taking device according to claim 1, it is characterised in that: along axial face on the inner edge of the tubular articles (10)
The bridge arch of elastic bridge (12) is offered interior straight trough (15), the passive striking face (6) is located at interior straight trough (15) face bridge arch
On position, the active striking face (9) cooperates on the inside of tubular articles (10) with passive striking face (6) collision.
6. blood-taking device according to claim 1, it is characterised in that: along axial face in the outer rim of the tubular articles (10)
The bridge arch of elastic bridge (12) is offered outer straight trough (16), the passive striking face (6) is located at outer straight trough (16) face bridge arch
On position, the active striking face (9) cooperates on the outside of tubular articles (10) with passive striking face (6) collision.
7. blood-taking device according to claim 1, it is characterised in that: the shell is equipped with paracentesis depth regulating mechanism,
Blood sample-taking end face (4) can be changed with passive striking face (6) at a distance from blood-taking device axial direction by adjusting the paracentesis depth regulating mechanism,
To adjust needle point paracentesis depth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850138.4A CN107582072B (en) | 2017-09-20 | 2017-09-20 | A kind of blood-taking device with elastic bridge buffer structure |
| PCT/CN2018/106623 WO2019057101A1 (en) | 2017-09-20 | 2018-09-20 | Blood sampling device provided with elastic bridge buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850138.4A CN107582072B (en) | 2017-09-20 | 2017-09-20 | A kind of blood-taking device with elastic bridge buffer structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107582072A CN107582072A (en) | 2018-01-16 |
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| CN201710850138.4A Active CN107582072B (en) | 2017-09-20 | 2017-09-20 | A kind of blood-taking device with elastic bridge buffer structure |
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| WO (1) | WO2019057101A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107582072B (en) * | 2017-09-20 | 2019-09-03 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device with elastic bridge buffer structure |
| CN108498105B (en) * | 2018-04-24 | 2019-08-23 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device fence type damping correcting structure |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1692883A (en) * | 2004-04-29 | 2005-11-09 | 生命扫描有限公司 | Actuation system for a bodily fluid extraction device and associated methods |
| CN103300868A (en) * | 2013-07-02 | 2013-09-18 | 苏州施莱医疗器械有限公司 | Blood sampling device with buffer device |
| CN204468095U (en) * | 2014-09-19 | 2015-07-15 | 衡欣医疗器材股份有限公司 | The blood-taking device of tool needle stand guide structure |
| CN208492118U (en) * | 2017-09-20 | 2019-02-15 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device with elastic bridge buffer structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050159768A1 (en) * | 2004-01-15 | 2005-07-21 | Home Diagnostics, Inc. | Lancing device |
| WO2017191985A2 (en) * | 2016-05-02 | 2017-11-09 | 최임철 | Disposable painless lancet and lancing device |
| CN107582072B (en) * | 2017-09-20 | 2019-09-03 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device with elastic bridge buffer structure |
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2017
- 2017-09-20 CN CN201710850138.4A patent/CN107582072B/en active Active
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- 2018-09-20 WO PCT/CN2018/106623 patent/WO2019057101A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1692883A (en) * | 2004-04-29 | 2005-11-09 | 生命扫描有限公司 | Actuation system for a bodily fluid extraction device and associated methods |
| CN103300868A (en) * | 2013-07-02 | 2013-09-18 | 苏州施莱医疗器械有限公司 | Blood sampling device with buffer device |
| CN204468095U (en) * | 2014-09-19 | 2015-07-15 | 衡欣医疗器材股份有限公司 | The blood-taking device of tool needle stand guide structure |
| CN208492118U (en) * | 2017-09-20 | 2019-02-15 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device with elastic bridge buffer structure |
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| CN107582072A (en) | 2018-01-16 |
| WO2019057101A1 (en) | 2019-03-28 |
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