CN107252316A - Integrated form blood collection needles - Google Patents
Integrated form blood collection needles Download PDFInfo
- Publication number
- CN107252316A CN107252316A CN201710550513.3A CN201710550513A CN107252316A CN 107252316 A CN107252316 A CN 107252316A CN 201710550513 A CN201710550513 A CN 201710550513A CN 107252316 A CN107252316 A CN 107252316A
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- Prior art keywords
- blood
- cover layer
- substrate
- integrated form
- collection needles
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- 239000008280 blood Substances 0.000 title claims abstract description 126
- 210000004369 blood Anatomy 0.000 title claims abstract description 123
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000001467 acupuncture Methods 0.000 claims abstract description 27
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 238000010304 firing Methods 0.000 claims description 4
- 241000446313 Lamella Species 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 claims description 3
- 230000003000 nontoxic effect Effects 0.000 claims description 3
- 238000010241 blood sampling Methods 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000002641 glycemic effect Effects 0.000 abstract description 5
- 206010012601 diabetes mellitus Diseases 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 8
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 2
- 108090001061 Insulin Proteins 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 229940125396 insulin Drugs 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001232787 Epiphragma Species 0.000 description 1
- 108010015776 Glucose oxidase Proteins 0.000 description 1
- 239000004366 Glucose oxidase Substances 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229940116332 glucose oxidase Drugs 0.000 description 1
- 235000019420 glucose oxidase Nutrition 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
-
- 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
- A61B5/157—Devices characterised by integrated means for measuring characteristics of blood
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Animal Behavior & Ethology (AREA)
- Urology & Nephrology (AREA)
- Chemical & Material Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Cell Biology (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Diabetes (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
A kind of blood sample adsorbs full and the automatic detection glycemic parameters after blood sample is drawn the integrated form blood collection needles integrated with test that will take a blood sample.It is fixed in by substrate, adaptation on the substrate top surface and/or bottom surface and the cover layer with printed on both sides circuit and the acupuncture treatment that is interspersed in substrate is constituted, the printed wire being arranged on cover layer upper and lower surface constitutes the test board for detecting blood sample parameter.Blood taking needle equipped with the integrated form blood collection needles, can make diabetic very convenient in daily blood sampling, detection operation, out on tours, going on business only needs one blood taking needle of band.It can prevent caused by the not full cause blood sampling volume of blood specimen collection is not up to standard test result inaccurate or because drop of blood because being exposed in air and being aoxidized or being polluted causes test result inaccurate to bring larger potential safety hazard to patient for a long time.It can automatic detection go out glycemic parameters and shown by the display unit being arranged on the blood taking needle.
Description
Technical field
It is more particularly to a kind of to integrate test piece and hemostix and for individual the present invention relates to a kind of blood collection needles
Blood collection needles used when people is monitored to self-blood.
Background technology
At present, the instrument of test is monitored for individual human blood in the world, such as blood glucose meter is all acupuncture treatment blood sampling and test
The Blood index of piece is divided into two operating processes to handle；That is, patient first must be punctured skin with a syringe needle, then
Draw the blood sample that is oozed out by wound to complete the test to self-blood with a test piece.
Above-mentioned traditional blood collecting technology has following major defect：
1) when patient per takes a blood sample, it is necessary to carry and two kinds of blood sampling accessories of management (i.e. piece is tested in acupuncture treatment and blood sample), if few
Band one of which accessory, can not just be monitored test.
2), need to be with another accessory test piece absorption drop of blood, so, from skin is punctured to taking after skin is punctured using acupuncture treatment
Piece is tested, the drop of blood oozed out by wound can then expose a little time in surrounding air, increase blood sample oxidized and pollution
Risk, directly affects the degree of accuracy of blood sample test.
3) it is to take test piece to do Blood index with hand when drawing blood sample, if holding if hand motion unstable (such as shake)
Easily prevent the drop of blood oozed out from being tested test piece absorption completely, cause blood sampling volume not reach requirement, this is accomplished by re-starting blood sampling
The test piece more renewed.The result is to add patient suffering, and unnecessary waste is caused again (as drawn blood sample failure every time
And the test piece caused is scrapped), there is the probability of operation failure using blood sampling accessory of the prior art in especially the elderly
It is very high.
4) when patient without Blood index amount (the also unfilled test of blood is interval) not up to standard is had found in time, then it can cause
Thus it, can give it with larger security risk to test erroneous judgement (such as reading is relatively low) of the display result to self-blood situation
(e.g., being mistakenly considered the remedy measures that blood glucose is in normal range (NR) and missed injections insulin).
The content of the invention
The full and automatic detection blood after blood sample is drawn is adsorbed the technical problem to be solved in the present invention is to provide a kind of blood sample
The integrated form blood collection needles integrated that will take a blood sample and test of sugared ginseng number.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
The integrated form blood collection needles of the present invention, it is characterised in that：The substrate top surface and/or bottom are fixed in by substrate, adaptation
On face and the cover layer with printed on both sides circuit and the acupuncture treatment that is interspersed in substrate are constituted, it is arranged on cover layer upper and lower surface
Printed wire constitute test board for detecting blood sample parameter.
The substrate be connected as a single entity and point three-stage structure flattened body, its leading portion is prismatic table shape, stage casing be it is prismatic, after
Section is, with the prismatic of chute, at least one shallow slot being backwardly recessed to be provided with the front portion of leading portion, and the chute is by substrate
Top surface runs through the groove of the substrate to bottom surface, by the leading portion front end face between chute provided with threading a needle duct；
The acupuncture treatment is placed through in the duct of threading a needle, and the duct that can be threaded a needle along this is moved forward and backward, and the syringe needle of the acupuncture treatment can
The duct of threading a needle is gone out under the impact of firing pin assembly and is pierced into patient skin；
The shape of shape top surface corresponding with the substrate or the plane perpendicular projection of the cover layer profile is identical, covers
The drop of blood that epiphragma surrounds composition with the shallow slot and can ooze out acupuncture wound quickly sucks blood sample chamber therein.
Printed on both sides circuit on the test board is by the microelectrode and microelectrode that are arranged on cover layer inner surface
The strip lead of electrical connection, the strip contact being arranged on covering film outer surface and the blade contact set with strip contact homonymy
Constitute, the microelectrode correspondence blood sample chamber is set；Strip lead is arranged at the middle part of cover layer, and its output end is by being arranged on
Conductive hole on cover layer is electrically connected with the input of the strip contact；The output end of the strip contact passes through blood collecting pen
Electric contact in syringe needle socket connects with central processing unit and is shown test result by display unit.
The microelectrode is made up of positive electrode and negative electrode, and positive electrode is identical with the shape of negative electrode by a riser
Bar and many horizontal lamellaes are constituted, and one end of horizontal lamellae connects with riser bar, and its other end is free end, positive electrode and negative electrode with
Horizontal lamellae thereon is staggeredly alternate in the same plane to be overlapped.
The shallow slot is two, respectively the top surface positioned at substrate and bottom surface, is connected therebetween by the front port in duct of threading a needle.
The shallow slot is shaped as semicircle, half elliptic or rectangle.
The profile of the leading portion is truncated rectangular pyramids shape, and stage casing is four prism type.
The cover layer is made up of nontoxic flexible dielectric films.
The integrated form blood collection needles of the present invention will have an acupuncture treatment with detecting that the test board of blood glycemic parameters is integrated in a blood sampling
On pin so that diabetic is very convenient in daily blood sampling, detection operation, out on tours, going on business only needs the blood sampling of one, band
Pin.The blood taking needle of integrated form blood collection needles equipped with the present invention, solves acupuncture treatment in the prior art and separates and set with testing piece
Put structure presence some shortcomings, such as because blood specimen collection it is not full cause blood sampling volume it is not up to standard caused by test result it is inaccurate or because
Because of long-term be exposed in air, being aoxidized or being polluted causes test result inaccurate to drop of blood, there is a possibility that patient's mistakes and omissions are mended
Insulin is filled to itself bringing larger potential safety hazard.
The present invention is simple in construction, easy to operate, using capillarity absorption principle, by being arranged on blood collection needles front end
Blood sample chamber, can automatically and the quick drop of blood suction by collection is touched wherein and with test board, you can automatic detection goes out glycemic parameters
And shown by the display unit being arranged on the blood taking needle.
Brief description of the drawings
Fig. 1 is the stereogram of the integrated form blood collection needles of the present invention.
Fig. 2 is Fig. 1 decomposing schematic representation.
Fig. 3 is A portions enlarged diagram in Fig. 2.
Fig. 4 is B portions enlarged diagram in Fig. 2.
Fig. 5 is C portions enlarged diagram in Fig. 1.
Reference is as follows：
Blood collection needles 1, substrate 2, leading portion 21, stage casing 22, back segment 23, chute 24, shallow slot 25, blood sample chamber 26, adsorption orifice 27,
Thread a needle duct 28, test board 3, microelectrode 31, riser bar 311, horizontal lamellae 312, strip lead 32, strip contact 33, sheet
Contact 34, cover layer 4, acupuncture treatment 5.
Embodiment
As shown in Figure 1, 2, integrated form blood collection needles 1 of the invention will acupuncture treatment 5, blood sample test piece one blood taking needle of involvement
In (also referred to as take a blood sample needle assemblies or blood collecting pen), when acupuncture treatment 5 punctures patient skin, drop of blood from wound ooze out while, be arranged at and adopt
The drop of blood can completely be drawn and in time read glycemic parameters by display unit by blood sample chamber 26, test board 3 in blood syringe needle 1
Go out.
The integrated form blood collection needles 1 are a parts of blood taking needle.Its substrate 2 made by plastic material, it is respectively and fixedly connected with
On the top surface of substrate 2 and/or bottom surface and by the cover layer 4 that is made of nontoxic fexible film and acupuncture treatment for puncturing patient skin
5 are constituted.
The present invention is preferably respectively provided with described cover layer 4 on the top surface of substrate 2 and bottom surface.The cover layer 4 be with
The cover layer 4 of printed on both sides circuit, i.e., be equipped with printed wire on the tow sides of cover layer 4, and the printed wire constitutes detection
The test board 3 of blood sample parameter.
1st, substrate 2
Substrate 2 is a flattened body through single injection-molded, and three sections, respectively leading portion can be classified as from front to back
21st, stage casing 22 and back segment 23 (using Fig. 1 papers direction as reference, Zuo Weiqian is upper to push up after the right side is, lower is bottom, similarly hereinafter), leading portion
21 profile is prismatic table shape, preferably truncated rectangular pyramids shape, and the profile in stage casing 22 is prismatic, preferably four prism type, back segment 23
Profile is identical with stage casing 22, the chute 24 through the substrate 2 is provided with back segment 23, the trend of the chute 24 is by the top surface of substrate 2
To bottom surface.
The shallow slot 25 being backwardly recessed is provided with the front portion of leading portion 21, is provided with by the front end face of the leading portion 21 between chute 24
The duct 28 of threading a needle of the interspersed acupuncture treatment 5 (referring to shown in Fig. 3,5).
The shallow slot 25 is shaped as semicircle, half elliptic or rectangle.
2nd, acupuncture treatment 5
The acupuncture treatment 5 is placed through in the duct 28 of threading a needle, and its duct 28 that can be threaded a needle along this is moved forward and backward, the acupuncture treatment 5
Syringe needle can be under the impact for the firing pin assembly that blood taking needle is configured, the front port that the duct 28 of threading a needle is gone out forward is pierced into patient
Skin.
3rd, cover layer 4
The projection of the size and profile of the cover layer 4 and corresponding top surface on the substrate 2 or bottom surface in vertical direction
Shape it is identical, it is complete film that it, which is differed only on cover layer 4 with the part of the correspondence position of shallow slot 25, i.e., described shallow
The corresponding position of groove 25 does not set the breach being adapted to the shallow slot 25.The characteristics of structure is：In the position of shallow slot 25, by covering up and down
Film 4 and the shallow slot 25 surround one cavity of composition, and blood sample chamber 26 is called in letter, the leading section of the blood sample chamber 26 for opening (with
Call adsorption orifice 27 in the following text, shown in Figure 5).The effect of blood sample chamber 26 is, when acupuncture treatment 5 punctures patient skin, to be oozed by patient's wound
The drop of blood gone out is touched after the adsorption orifice 27 of blood sample chamber 26, i.e., quickly sucked wherein, it uses capillarity absorption principle.
The present invention be preferably provided with above and below two blood sample chambers 26, the top surface positioned at substrate 2 and bottom surface respectively, therebetween except hole of threading a needle
The front port position in road 28 is communicates outside structure, and remainder is isolation.
4th, test board 3
As shown in Fig. 1,2,4, the printed on both sides circuit on the test board 3 is micro- on the inner surface of cover layer 4 by being arranged at
Type electrode 31, the strip lead 32 electrically connected with microelectrode 31, the strip contact 33 being arranged on the outer surface of cover layer 4 and with
The blade contact 34 that the homonymy of strip contact 33 is set is constituted.
The corresponding blood sample chamber 26 of microelectrode 31 is set.
The microelectrode 31 is made up of positive electrode and negative electrode, and positive electrode is identical with the shape of negative electrode perpendicular by one
Lath 311 and Duo Gen horizontal lamellaes 312 are constituted, and one end of horizontal lamellae 312 connects with riser bar 311, and its other end is free end, just
Electrode is overlapped with negative electrode so that horizontal lamellae 312 thereon is staggeredly alternate in the same plane.The structure can make to be inhaled into blood
Drop of blood in sample chamber 26 in less size range, has the contact length of maximum, so as to improve the accuracy of test with electrode.
The microelectrode 31 is used to collect the blood and the reagent (such as glucose oxidase) being coated in advance on blood sample intracavitary face
The faint electron stream for reacting and producing, the relevant parameter of blood sample is detected with this.
Preferably strip lead 32 and strip contact 33 of the invention are four and mutually corresponding.
The strip lead 32 is four, is arranged at the middle part of cover layer 4, and the input of its avris two is erected with corresponding
Lath 311 connects, and its output end passes through the conductive hole (not shown) being arranged on cover layer 4 and the strip of respective side
The input electrical connection of contact 33.The output end of the strip contact 33 is touched by the electricity being arranged in the syringe needle socket of blood collecting pen
Point connects with central processing unit and is shown test result by display unit.
Two strip leads 32 and strip contact 33 positioned at inner side are for the automatic commercial information for distinguishing blood collection needles
, such as batch number, the term of validity or password (when the blood collection needles are inserted in blood collecting pen, two strip leads 32, the strips
Contact 33 connects with the chip of setting, is thus derived automatically from described commercial information).
The blade contact 34 is for starting battery built-in in blood collecting pen for described central processing unit and display part
The switch that part is powered, will the blood collection needles insertion blood collecting pen in when, the blade contact 34 will be arranged on the syringe needle of blood collecting pen
Two other electric contact on socket is connected, thus, connects the path that internal battery is powered to associated components.
Preferably two blood sample chambers 26 of the invention are two function phases with and can independent detection blood sample test board 3, only set one
Individual test board 3 can normally be detected and complete test assignment, and set two, and its safety factor can be made bigger, up and down two surveys
To test parameter without the harmful effect interfered between test plate (panel) 3.
The operation principle of the present invention：
1) in the presence of the firing pin assembly in blood sampling needle assemblies, acupuncture treatment 5 goes out described blood sample chamber 26 and is pierced into patient's
Skin；
2) after, from rebounding mechanism in the presence of rapid pumpback of the acupuncture treatment 5 in blood sampling needle assemblies to original position, now, blood
The adsorption orifice 27 of sample chamber 26 has touched the drop of blood oozed out by wound, and drop of blood is inhaled into blood sample chamber 26 at once；
3) it is located at the microelectrode 31 of the upper wall surface of blood sample chamber 26, is produced for collecting blood in blood sample chamber 26 with reagent reacting
Faint electron stream, the electric signal is conveyed to by central processing unit line by microelectrode 31, strip lead 32, strip contact 33
Road shows test result, thus constitutes the combiner of a synchronous blood sampling, absorption, reaction and information output.
Advantages of the present invention has as follows：
1) two operating processes are merged, patient is saved an operating process when needs are taken a blood sample and tested.
2) patient is in daily routines, it is not necessary to carries syringe needle and test piece respectively, only need to carry a component；Except pipe
Outside reason is simple, also reduce be led to because carrying and mismatching can not carry out the risk of blood testing.
3) in horse back is absorbed into by blood sample chamber 26 by the drop of blood collected, it effectively prevent drop of blood and be oxidized and dirty
Dye, improves the degree of accuracy of test parameter.
4) efficiency that drop of blood is tested region absorption is substantially increased, the blood sampling for meeting test needs can be reduced in turn
Amount, you can to reduce the diameter and depth of acupuncture treatment 5, directly mitigate the pain of the blood sampling of acupuncture treatment 5.
5) because blood sampling, absorption and test are synchronously completed, eliminate because not exclusively absorption and need to take a blood sample again and more
Change the hidden danger of test piece.
6) because the microelectrode 31 of test board 3 is close to needle point and blood sample chamber 26, the drop of blood gathered almost enters completely
Test zone is entered, the test error caused without Blood index deficiency eliminates the security risk for believing test result by mistake.
Claims (8)
1. a kind of integrated form blood collection needles, it is characterised in that：Substrate (2) top surface and/or bottom are fixed in by substrate (2), adaptation
On face and the cover layer (4) with printed on both sides circuit and the acupuncture treatment (5) that is interspersed in substrate (2) are constituted, cover layer is arranged at
(4) printed wire on upper and lower surface constitutes the test board (3) for detecting blood sample parameter.
2. integrated form blood collection needles according to claim 1, it is characterised in that：The substrate (2) is to be connected as a single entity and divide
The flattened body of three-stage structure, its leading portion (21) is prismatic table shape, and stage casing (22) are prismatic, and back segment (23) is with chute (24)
It is prismatic, at least one shallow slot (25) being backwardly recessed is provided with the front portion of leading portion (21), the chute (24) is by substrate (2)
Top surface runs through the groove of the substrate (2) to bottom surface, by the leading portion (21) front end face between chute (24) provided with threading a needle duct
(28)；
The acupuncture treatment (5) is placed through in the duct (28) of threading a needle, and the duct (28) that can be threaded a needle along this is moved forward and backward, the acupuncture treatment
(5) syringe needle can go out the duct (28) of threading a needle under the impact of firing pin assembly and be pierced into patient skin；
The shape of shape top surface or the plane perpendicular projection corresponding with the substrate (2) of cover layer (4) profile is identical,
The drop of blood that cover layer (4) surrounds composition with the shallow slot (25) and can ooze out acupuncture wound quickly sucks blood sample chamber therein
(26)。
3. integrated form blood collection needles according to claim 1, it is characterised in that：Printed on both sides on the test board (3)
Circuit is by the microelectrode (31) being arranged on cover layer (4) inner surface, the strip lead electrically connected with microelectrode (31)
(32) the strip contact (33), being arranged on cover layer (4) outer surface and the blade contact set with strip contact (33) homonymy
(34) constitute, microelectrode (31) the correspondence blood sample chamber (26) is set；Strip lead (32) is arranged in cover layer (4)
Portion, its output end is electrically connected by the conductive hole being arranged on cover layer (4) with the input of the strip contact (33)；It is described
The electric contact in syringe needle socket that the output end of strip contact (33) passes through blood collecting pen connects with central processing unit and by display
Part shows test result.
4. integrated form blood collection needles according to claim 3, it is characterised in that：The microelectrode (31) by positive electrode and
Negative electrode is constituted, and positive electrode is identical with the shape of negative electrode to be constituted by a riser bar (311) and many horizontal lamellaes (312),
One end of horizontal lamellae (312) connects with riser bar (311), and its other end is free end, and positive electrode is with negative electrode with horizontal stroke thereon
Lath (312) is staggeredly alternate in the same plane to be overlapped.
5. integrated form blood collection needles according to claim 2, it is characterised in that：The shallow slot (25) is two, respectively position
Top surface and bottom surface in substrate (2), are connected by the front port of duct of threading a needle (28) therebetween.
6. integrated form blood collection needles according to claim 5, it is characterised in that：The shallow slot (25) be shaped as it is semicircle,
Half elliptic or rectangle.
7. integrated form blood collection needles according to claim 1, it is characterised in that：The profile of the leading portion (21) is truncated rectangular pyramids
Shape, stage casing (22) are four prism type.
8. integrated form blood collection needles according to claim 1, it is characterised in that：The cover layer (4) is by nontoxic flexible exhausted
Edge film is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550513.3A CN107252316A (en) | 2017-07-07 | 2017-07-07 | Integrated form blood collection needles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550513.3A CN107252316A (en) | 2017-07-07 | 2017-07-07 | Integrated form blood collection needles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107252316A true CN107252316A (en) | 2017-10-17 |
Family
ID=60025084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710550513.3A Pending CN107252316A (en) | 2017-07-07 | 2017-07-07 | Integrated form blood collection needles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295620A (en) * | 2020-10-12 | 2021-02-02 | 中国计量大学 | Saliva draws crystallization micro-fluidic chip fast |
| CN114839249A (en) * | 2022-06-07 | 2022-08-02 | 广西民族大学 | Biosensor and precision improving method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN1455654A (en) * | 2001-01-19 | 2003-11-12 | 松下电器产业株式会社 | Lancet-integrated sensor, measurer for same and biological sensor case and measurer for said sensor |
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| US20090124876A1 (en) * | 2005-06-27 | 2009-05-14 | Hideaki Nakamura | Needle integrated biosensor |
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| CN112295620A (en) * | 2020-10-12 | 2021-02-02 | 中国计量大学 | Saliva draws crystallization micro-fluidic chip fast |
| CN114839249A (en) * | 2022-06-07 | 2022-08-02 | 广西民族大学 | Biosensor and precision improving method thereof |
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