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CN106214162A - Clipping disposable blood taking needle and moulding process - Google Patents

Clipping disposable blood taking needle and moulding process Download PDF

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Publication number
CN106214162A
CN106214162A CN201610576629.XA CN201610576629A CN106214162A CN 106214162 A CN106214162 A CN 106214162A CN 201610576629 A CN201610576629 A CN 201610576629A CN 106214162 A CN106214162 A CN 106214162A
Authority
CN
China
Prior art keywords
needle
cover layer
plastic plate
blood taking
substrate layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610576629.XA
Other languages
Chinese (zh)
Inventor
张立波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Huahong Polytron Technologies Inc
Tianjin Huahong Technology Co Ltd
Original Assignee
Tianjin Huahong Polytron Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Huahong Polytron Technologies Inc filed Critical Tianjin Huahong Polytron Technologies Inc
Priority to CN201610576629.XA priority Critical patent/CN106214162A/en
Publication of CN106214162A publication Critical patent/CN106214162A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150015Source of blood
    • A61B5/150022Source of blood for capillary blood or interstitial fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150206Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150274Manufacture or production processes or steps for blood sampling devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150885Preventing re-use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/151Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/151Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/151Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15142Devices intended for single use, i.e. disposable

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Clipping disposable blood taking needle and production technology, blood taking needle includes needle handle, draw point and needle cap, needle handle is the double-deck laminated structure constituted that is connected by needle handle substrate layer and needle handle cover layer, the body sections of draw point is clamped and fastened between needle handle substrate layer and needle handle cover layer, and the tip portion of draw point seals and is plugged in needle cap.Production technology is: S1 pre-formed substrate layer plastic plate and draw point, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, and the most prefabricated cover layer plastic plate;Draw point is placed in the draw point locating slot on substrate layer plastic plate by S2 one by one;S3 fixes overlying lamella plastic plate on substrate layer plastic plate or coating forms coating layer;The compoboard of the substrate layer plastic plate formed with cover layer plastic plate or coating layer, according to the setting shape and size of blood taking needle, is cut, is eventually fabricated branched blood taking needle by S4.This blood taking needle reduces material cost;This moulding process reduces die cost, decreases power consumption, reduces the manufacturing cost of blood taking needle.

Description

Clipping disposable blood taking needle and moulding process
Technical field
The present invention relates to the tip blood taking instrument of clinical medicine domain, particularly to a kind of clipping disposable blood taking needle and Moulding process.
Background technology
Blood taking needle is a kind of disposable tip blood sampling consumptive material part, and it can be used directly to carry out tip blood sampling, it is possible to assembling In blood collecting pen, carry out tip blood sampling by the percussion of blood collecting pen.The main composition part of blood taking needle include needle handle, draw point and Needle cap, usual needle cap and needle handle integrated injection molding connect, and the body sections of draw point is wrapped in needle handle, and the tip portion of draw point seals In needle cap, the coupling part of needle handle and needle cap forms weak spot, so, when blood sampling, twists needle cap, needle cap from weak spot with Needle handle forms dialysis, makes tip portion come out.It addition, in existing blood taking needle, also having some needle handles and needle cap is two splits Structure.
Existing blood taking needle is by mold injection molding, concrete, first makes the shape phase with the blood taking needle set Corresponding mould, mould to design the support placing draw point, support and place support hole make bedding-in and size Controlling very strict, this needs to expend a lot of time and efforts, and careless slightly injection product surface will produce burr;Then make With injection machine, plastic grain high-temperature fusion being become liquid, the fusing point of plastics is generally more than 200 DEG C, after relying on high pressure to melt Plastic liquid is injected into mold cavity, cools down molding.Above by the method for mold injection molding, there is a lot of defect, such as Mold Making is costly, maintenance is frequent, service life is limited, expends a large amount of electric energy in injection moulding process, and injection machine floor space is big Deng, further, since use injection molding manner, the wall thickness of needle handle and needle cap part can not be too small, above-mentioned many be affect blood taking needle one-tenth This principal element, the cost which limit blood taking needle reduces.
Summary of the invention
The present invention solves technical problem present in known technology and a kind of clipping disposable blood taking needle and one-tenth are provided Type technique, this blood taking needle can reduce the consumption of medical grade plastic materials, thus reduce the consumables cost of blood taking needle;The one-tenth of this blood taking needle Type technique can be greatly lowered die cost, less electrical energy consumption, reduce the manufacturing cost of blood taking needle.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
A kind of clipping disposable blood taking needle, including needle handle, draw point and needle cap, draw point is by body sections and tip portion structure Become, it is characterised in that: described needle handle is double-deck laminated structure, and it is connected and composed by needle handle substrate layer and needle handle cover layer are fixing, The body sections of draw point is clamped and fastened between needle handle substrate layer and needle handle cover layer, and the tip portion of draw point seals and is plugged in In needle cap.
Preferred: needle cap is double-deck laminated structure, it is connected and composed by needle cap substrate layer and needle cap cover layer are fixing; The tip portion of draw point by sealed holding between needle cap substrate layer and needle cap cover layer.
Preferred: described needle handle cover layer and needle cap cover layer all use cover Rotating fields or coating layer structure
Preferred: needle handle substrate layer and needle handle cover layer, needle cap substrate layer and needle cap cover layer all use heat to merge or glue Bonding or concavo-convex plug-in mounting fit structure is fixedly connected.
Preferred: described needle handle and needle cap are integral type structure and are made up of medical plastic, arrange between needle handle and needle cap Having necking part, form the weak part that needle handle separates with needle cap, the substrate layer of needle handle is formed at necking part with the substrate layer of needle cap One connects, and the cover layer of needle handle forms one with the cover layer of needle cap at necking part and is connected.
Preferred: to be provided with on the necking part on the substrate layer of needle handle, between needle handle and needle cap and on the substrate layer of needle cap The draw point locating slot being connected, described draw point is flush-mounted in draw point locating slot.
A kind of moulding process of clipping disposable blood taking needle, it is characterised in that: needle handle and the needle cap of blood taking needle all use Above-mentioned double-deck laminated structure, its forming step is:
S1 pre-formed substrate layer plastic plate and draw point, use the situation of cover Rotating fields at needle handle cover layer and needle cap cover layer Under, it is also desirable to prefabricated cover layer plastic plate in advance;
Draw point is arranged in one by one on substrate layer plastic plate by S2 according to setting spacing;
Cover layer plastic plate, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, is covered by S3 On substrate layer plastic plate, and make cover layer plastic plate and substrate layer plastic plate form a fixed connection, steel needle fixing clamp is held at base Between lamella plastic plate and cover layer plastic plate, and needle point position is made to form sealing;And when needle handle cover layer and needle cap cover layer In the case of using coating layer structure, substrate layer plastic plate coats the plastics liquid of fusing, solidify to form coating layer, by draw point It is clamped between coating layer and substrate layer plastic plate, and forms sealing;
S4 is according to the setting shape and size of blood taking needle, to the substrate layer plastic plate formed in step 3 and cover layer plastics The compoboard of plate or coating layer is cut, and is eventually fabricated branched blood taking needle.
Preferred: in step 4, use the most prefabricated cutting knife consistent with blood taking needle outer shape to cut.
Preferred: being disposed with draw point locating slot according to the spacing set on substrate layer plastic plate, draw point is placed in base one by one In draw point locating slot on lamella plastic plate.
The present invention has the advantage that with good effect:
The needle handle of this blood taking needle uses double-deck laminated structure, and it can drop compared to existing injection structure, the wall thickness of needle handle As little as below 1mm, so, can save the material consumption of blood taking needle, reduces material cost, after also reducing use causes environment Pollute;Use the moulding process of this blood taking needle, first need not make injection mould, save the maintenance of later stage mould simultaneously, this Sample just considerably reduces die cost, it addition, be molded also without with injection machine, electric energy is so greatly saved Consume, thus reduce the manufacturing cost of blood taking needle.
Accompanying drawing explanation
Fig. 1 is the structural representation of blood taking needle of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is blood taking needle moulding process schematic flow sheet of the present invention.
In figure: 1, needle handle;1-1, needle handle substrate layer;1-2, needle handle cover layer;2, draw point;3, needle cap;3-1, needle cap substrate Layer;3-2, needle cap cover layer;4, necking part;5, draw point locating slot;1, substrate layer plastic plate;2, cover layer plastic plate;3, cover Film layer.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing Describe in detail as follows:
A kind of clipping disposable blood taking needle, refers to Fig. 1 and 2, and including needle handle 1, draw point 2 and needle cap 3, draw point is by needle body Part and tip portion are constituted.Described needle handle is double-deck laminated structure, and it is solid by needle handle substrate layer 1-1 and needle handle cover layer 1-2 Surely connecting and composing, the body sections of draw point is clamped and fastened between needle handle substrate layer and needle handle cover layer, the needle tip of draw point Sealing is divided to be plugged in needle cap.
In said structure, needle cap can use the needle cap structure of existing integrated injection molding formula, in the present invention, for entering one Step reduces the material consumption of blood taking needle, reduces material cost, and needle cap preferably employs double-deck laminated structure, and it is by needle cap substrate layer 3- 1 and needle cap cover layer 3-2 fixing connects and composes.The tip portion of draw point by sealed holding in needle cap substrate layer and needle cap cover layer Between.
In said structure, described needle handle cover layer and needle cap cover layer all use cover Rotating fields or coating layer structure.Tool Body, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, needle handle cover layer and needle cap cover layer need Pre-formed;And in the case of needle handle cover layer and needle cap cover layer use coating layer structure, needle handle cover layer and needle cap Cover layer, during blood taking needle assembles, carries out spraying film-forming.
In said structure, needle handle substrate layer and needle handle cover layer, needle cap substrate layer and needle cap cover layer can use multiple side Formula is fixedly connected, and such as, matching part hot melt is formed and connects, and including the hot-melt adhesive paste in whole cooperation face, or local coordinates The hot-melt adhesive paste in face;Glue is used to carry out bonding;Concavo-convex plug-in mounting fit structure is used to be attached, concrete, a cooperation Arranging plug-in opening on face, arrange inserting column on another cooperation face, plug-in mounting post tight fit is plugged in plug-in opening, forms concavo-convex inserting Dress is connected.
On the premise of above-mentioned needle handle and needle cap all use double-deck laminated structure, described needle handle and needle cap use one further Body formula structure and being made up of medical plastic.Being provided with necking part 4 between needle handle and needle cap, it is thin that formation needle handle separates with needle cap Weak position, the substrate layer of needle handle forms one with the substrate layer of needle cap at necking part and is connected, and the cover layer of needle handle covers with needle cap Cap rock forms one at necking part and connects.
In the case of above-mentioned needle handle and needle cap use integral structure, on the substrate layer of needle handle, needle handle and needle cap it Between necking part on and the substrate layer of needle cap on be further provided with the draw point locating slot 5 that is connected, described draw point is flush-mounted in draw point In locating slot.So, when assembling this blood taking needle, it is accurately controlled draw point peace on needle handle and needle cap by draw point locating slot Holding position, thus facilitate assembling, it addition, be also accurately controlled the length of the tip portion stretched out from needle handle front end, so, When this blood taking needle uses, it is ensured that the concordance of depth of needle.
The moulding process of a kind of clipping disposable blood taking needle, refers to Fig. 3, and needle handle and the needle cap of blood taking needle all use The double-deck laminated structure stated, its forming step is:
S1 pre-formed substrate layer plastic plate 1, and draw point 2, use cover Rotating fields at needle handle cover layer and needle cap cover layer In the case of, it is also desirable to prefabricated cover layer plastic plate 2 in advance, above-mentioned draw point is the most not shown.
Draw point is arranged in one by one on substrate layer plastic plate by S2 according to setting spacing.
Cover layer plastic plate, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, is covered by S3 On substrate layer plastic plate, and make cover layer plastic plate and substrate layer plastic plate form a fixed connection, steel needle fixing clamp is held at base Between lamella plastic plate and cover layer plastic plate, and needle point position is made to form sealing;And when needle handle cover layer and needle cap cover layer In the case of using coating layer structure, substrate layer plastic plate coats the plastics liquid of fusing, solidify to form coating layer 3, by steel Pin is clamped between coating layer and substrate layer plastic plate, and forms sealing.
S4 is according to the setting shape and size of blood taking needle, to the substrate layer plastic plate formed in step 3 and cover layer plastics The compoboard of plate or coating layer is cut, and is eventually fabricated branched blood taking needle.
In above-mentioned moulding process: in step 3, cover layer plastic plate and substrate layer plastic plate use hot-melt adhesive paste, ultrasonic bond Connect, glue bonding, vac sorb, hot plate welding, high-cycle welding, any one mode in concavo-convex plug-in mounting fit structure carry out solid Fixed connection.
In above-mentioned moulding process: step 4 can use various ways cut, in the present invention, it is preferred to use in advance The prefabricated cutting knife consistent with blood taking needle outer shape is cut, and so, can increase substantially the production efficiency of blood taking needle, separately Outward, it is possible to use common cut mode to cut.
In above-mentioned moulding process: be disposed with draw point locating slot 5 further according to the spacing set on substrate layer plastic plate, Draw point is placed in the draw point locating slot on substrate layer plastic plate one by one.So, accuracy and the location speed of draw point location can be improved Degree, it is simple to improve production efficiency.
This blood taking needle can be used alone, it is possible to blood collecting pen with the use of, twist into two parts needle cap during use, make tip portion expose Out, thus can puncture patient's epidermis, take a blood sample.

Claims (10)

1. a clipping disposable blood taking needle, including needle handle, draw point and needle cap, draw point is by body sections and tip portion structure Become, it is characterised in that: described needle handle is double-deck laminated structure, and it is connected and composed by needle handle substrate layer and needle handle cover layer are fixing, The body sections of draw point is clamped and fastened between needle handle substrate layer and needle handle cover layer, and the tip portion of draw point seals and is plugged in In needle cap.
Clipping disposable blood taking needle the most according to claim 1, it is characterised in that: needle cap is double-deck lamellar knot Structure, it is connected and composed by needle cap substrate layer and needle cap cover layer are fixing;The tip portion of draw point by sealed holding in needle cap substrate Between layer and needle cap cover layer.
Clipping disposable blood taking needle the most according to claim 2, it is characterised in that: described needle handle cover layer and described pin Cap cover layer all uses cover Rotating fields or coating layer structure.
Clipping disposable blood taking needle the most according to claim 2, it is characterised in that: needle handle substrate layer and needle handle cover Layer, needle cap substrate layer and needle cap cover layer all use heat to merge or gluing connect or concavo-convex plug-in mounting fit structure is fixedly connected.
Clipping disposable blood taking needle the most according to claim 2, it is characterised in that: described needle handle and needle cap are integral type Structure and being made up of medical plastic, is provided with necking part between needle handle and needle cap, form the weak point that needle handle separates with needle cap Position, the substrate layer of needle handle forms one with the substrate layer of needle cap at necking part and is connected, the cover layer of needle handle and the cover layer of needle cap Form one at necking part to connect.
Clipping disposable blood taking needle the most according to claim 5, it is characterised in that: on the substrate layer of needle handle, needle handle With on the necking part between needle cap and the substrate layer of needle cap is provided with the draw point locating slot being connected, described draw point is flush-mounted in draw point In locating slot.
7. the moulding process of a clipping disposable blood taking needle, it is characterised in that: blood taking needle uses the knot described in claim 3 Structure, its forming step is:
S1 pre-formed substrate layer plastic plate and draw point, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, It is also required to the most prefabricated cover layer plastic plate;
Draw point is arranged in one by one on substrate layer plastic plate by S2 according to setting spacing;
Cover layer plastic plate, in the case of needle handle cover layer and needle cap cover layer use cover Rotating fields, is covered at substrate by S3 On layer plastic plate, and make cover layer plastic plate and substrate layer plastic plate form a fixed connection, steel needle fixing clamp is held at substrate layer Between plastic plate and cover layer plastic plate, and needle point position is made to form sealing;And when needle handle cover layer and needle cap cover layer use In the case of coating layer structure, substrate layer plastic plate coats the plastics liquid of fusing, solidify to form coating layer, draw point is clamped Between coating layer and substrate layer plastic plate, and form sealing;
S4 according to the setting shape and size of blood taking needle, to the substrate layer plastic plate formed in step 3 and cover layer plastic plate or The compoboard of coating layer is cut, and is eventually fabricated branched blood taking needle.
The moulding process of clipping disposable blood taking needle the most according to claim 7, it is characterised in that: in step 3, cover Layer plastic plate and substrate layer plastic plate use hot-melt adhesive paste, ultra-sonic welded, glue bonding, vac sorb, hot plate welding, high frequency Any one mode in welding, concavo-convex plug-in mounting fit structure is fixedly connected.
The moulding process of clipping disposable blood taking needle the most according to claim 7, it is characterised in that: in step 4, use The most prefabricated cutting knife consistent with blood taking needle outer shape is cut.
The moulding process of clipping disposable blood taking needle the most according to claim 7, it is characterised in that: mould at substrate layer Being disposed with draw point locating slot according to the spacing set on flitch, draw point is placed in the draw point locating slot on substrate layer plastic plate one by one In.
CN201610576629.XA 2016-07-19 2016-07-19 Clipping disposable blood taking needle and moulding process Pending CN106214162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610576629.XA CN106214162A (en) 2016-07-19 2016-07-19 Clipping disposable blood taking needle and moulding process

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Application Number Priority Date Filing Date Title
CN201610576629.XA CN106214162A (en) 2016-07-19 2016-07-19 Clipping disposable blood taking needle and moulding process

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CN106214162A true CN106214162A (en) 2016-12-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114947841A (en) * 2022-04-12 2022-08-30 周炎平 Disposable medical blood taking needle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1455654A (en) * 2001-01-19 2003-11-12 松下电器产业株式会社 Lancet-integrated sensor, measuring device, cartridge for biosensor, and measuring device for lancet-integrated sensor
EP1635699A1 (en) * 2003-06-06 2006-03-22 Roche Diagnostics GmbH Integrated test element for a one-time drawing and analyzing of a sample to be analyzed
US7175643B2 (en) * 2003-05-12 2007-02-13 Guoping Shi Automatic safe self-destructive disposable blood sampling device
CN101631500A (en) * 2007-03-14 2010-01-20 霍夫曼-拉罗奇有限公司 Analytical system for determining an analyte in a body fluid and disposable integrated sample collection and analytical element
CN101677793A (en) * 2007-05-15 2010-03-24 霍夫曼-拉罗奇有限公司 Method for magazining puncturing elements and tape magazine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1455654A (en) * 2001-01-19 2003-11-12 松下电器产业株式会社 Lancet-integrated sensor, measuring device, cartridge for biosensor, and measuring device for lancet-integrated sensor
US7175643B2 (en) * 2003-05-12 2007-02-13 Guoping Shi Automatic safe self-destructive disposable blood sampling device
EP1635699A1 (en) * 2003-06-06 2006-03-22 Roche Diagnostics GmbH Integrated test element for a one-time drawing and analyzing of a sample to be analyzed
CN101631500A (en) * 2007-03-14 2010-01-20 霍夫曼-拉罗奇有限公司 Analytical system for determining an analyte in a body fluid and disposable integrated sample collection and analytical element
CN101677793A (en) * 2007-05-15 2010-03-24 霍夫曼-拉罗奇有限公司 Method for magazining puncturing elements and tape magazine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114947841A (en) * 2022-04-12 2022-08-30 周炎平 Disposable medical blood taking needle

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Application publication date: 20161214

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