CN105126195B - Self-locking medical puncture needle and application method - Google Patents
Self-locking medical puncture needle and application method Download PDFInfo
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- CN105126195B CN105126195B CN201510503989.2A CN201510503989A CN105126195B CN 105126195 B CN105126195 B CN 105126195B CN 201510503989 A CN201510503989 A CN 201510503989A CN 105126195 B CN105126195 B CN 105126195B
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- puncture needle
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Abstract
The present invention relates to a kind of self-locking medical puncture needle and application method, including puncture needle needle holder, flexible pipe, collet and the upper safety device for covering composition that puncture needle draw point, Paracentesis needle holder and the puncture needle wing are formed.Safety device is sleeved on outside the needle stand of puncture needle, medical care operator carries out clinical treatment or blood sampling operation, after completing operation, medical care operator pins safety device on the other hand, pulling back cuboid group handle on the other hand makes the puncture needle wing be slided in the crack of both sides, cuboid, which is dialled handle and entered in spacing hole, to be drawn close end by two baffle plates of non-return piece and blocks, and puncture needle draw point is completely into safety device, you can safety is removed puncture needle and thrown aside.Effect is：A kind of self-locking medical puncture needle reduces puncture needle clinic puncture risks, improves safety in utilization, also reduces the danger for the treatment of of!medical waste, improvement is obvious.Design is succinct, and flexibility ratio is high, can be applied to polytype intravenous infusion needle, medical blood-sampling needle and diacan, there is very strong practicality.
Description
Technical field
The present invention relates to a kind of self-locking medical puncture needle and application method, it is applicable for intravenous infusion needle, medical blood taking
Pin and diacan.
Background technology
Intravenous infusion needle matching used with transfusion device, medical blood-sampling needle and diacan are clinically the most universal
Puncture instrument, but because its puncture properties, both apparatuses have certain danger in use, more than the sufferer or cure
The sharp instrument sticks injuries rate that it triggers when shield human users are unskilled is also of a relatively high, and this medical injury have received extensively
Attention.In addition, very big risk can be also brought to operator during this kind of discarded medical waste recycling, sharp instrument is stabbed
Accident also has generation frequently.
A kind of Patent No. ZL201310314017X vein needle shield utility model patent, elaborate to include leading to
Anterior sheath and rear portion pleated sheet that a pair of buckles are mutually interlocked are crossed, intravenous needle is clipped in wherein, used by the vein needle shield
Intravenous needle is retracted into inside sheath and stashed afterwards, so as to prevent plowing from and infect, while is determined by pleated sheet rear portion limited step
Position intravenous needle fin, and set in anterior guard leading end side wall to convex top pressure shrinkage limit woven hose, so as to prevent needle body
Depart from sheath easily.
Deficiency existing for the patent has：After intravenous needle use, in the processing of link or transportation is thrown aside, due to vein
The two-piece type structure of needle shield, the deformation of intravenous needle sheath bend is then most likely resulted in the event of colliding or extruding, front portion shield
The spacing of set and rear portion pleated sheet can increase therewith, and now, limited step will fail, and can not fix the intravenous needle pin wing；Intravenous needle
Jacket outer surface is smooth, does not have the impetus of finger during intravenous needle is retracted, and whole intravenous needle is easy to due to stress
And occur crooked, sufferer is damaged；Set in the leading section side wall of anterior sheath to convex top, although pressure can be played
Shrinkage limit woven hose makes the effect that it is not subjected to displacement, but the projection compresses woven hose from beginning to end in actual use, causes
Inner diameter changes, and decoction flow velocity is unstable during clinical treatment or even cutout, while in intravenous needle back off procedure, due to convex top
With the interaction force of woven hose, this operation will be made by larger resistance by pulling fin that intravenous needle is sent into the link of sheath
It is difficult to carry out, the practicality of the sheath is reduced；The intravenous needle of existing medical puncture needle, it is common to use epoxy resin as draw point and
The bonding agent of needle stand, solidification temperature needed for the bonding agent are 80 DEG C, in solidification process, easily cause polychlorostyrene second because temperature is too high
The fin of alkene material deforms, and the deformation influences less on common puncture needle, but if being applied to the sheath, bending or change
The fin of shape then can not smoothly slide between anterior sheath and rear portion pleated sheet；In addition, the injected plastics material pair that sheath uses
Its performance also has a significant impact, and similar device generally uses polyethylene at present, but the cooling after higher injection temperature is undergone
During, anterior sheath and rear portion pleated sheet can shrink effect, cause slight bending, and now anterior sheath and rear portion fold
The spacing of piece can increase, and therefore angled protrusions and spacing preiection will fail, can not play a part of fixed intravenous needle.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of self-locking medical puncture needle, by filling safely
The improvement put, the puncture needle after is directly retracted into puncture needle safety device, draw point is completely encapsulated in puncture needle and fill safely
In putting, to reach the purpose for avoiding sharp instrument sticks injuries, clinical puncture risks are greatly reduced, improve security, while
Treatment of!medical waste risk is evaded.
To achieve the above object, used technical scheme is the present invention：A kind of self-locking medical puncture needle, including puncture
Pin draw point, puncture needle needle holder, flexible pipe, safety device, puncture needle needle holder include the Paracentesis needle holder that is integrated of injection molding and
The puncture needle wing, Paracentesis needle holder rear end socket flexible pipe；Safety device is made up of a strip collet and a upper lid, the strip bottom
Support and upper lid are integrated by the hinge injection molding of two plastics, and upper lid is U-shaped strip, is divided on the wall on upper lid tail end both sides
Not She You a cantilever snap fit, on the face of strip collet tail end, be respectively equipped with what is be engaged with two cantilever snap fits of upper lid
Two rectangular openings, both sides crack is formed when cantilever snap fit fastens with rectangular opening, it is characterised in that：The puncture needle needle holder also wraps
Including one and dial handle with the cuboid that Paracentesis needle holder injection molding is integrated, cuboid is dialled handle and is located in the middle part of Paracentesis needle holder, perpendicular to
The puncture needle wing；
The upper cover top surface is provided with a bar hole, and bar hole includes skidway hole and spacing hole, skidway hole and spacing hole it
Between be provided with a non-return piece, non-return piece includes two slanting baffles on skidway hole two side respectively, two slanting baffle front ends
Tilted respectively to spacing axially bored line, spacing hole size is identical with cuboid group handle horizontal cross section dimension；
The both sides in the strip collet face are respectively equipped with one section of arcuation projection；
The puncture needle draw point is bonded in the front end of Paracentesis needle holder by low-temperature setting adhesive, and low-temperature setting adhesive is at 65 DEG C -70
Heated 30 minutes at a temperature of DEG C and reach solidification effect；
The upper lid is fastened with strip collet, and Paracentesis needle holder is arranged between cover and bar shape collet, puncture needle
The cuboid of seat upper end is dialled handle and stretched out from the skidway hole in upper cover strip hole,
The puncture needle wing of Paracentesis needle holder both sides is worn between being arranged on both sides crack with its interference fits, Paracentesis needle holder front end
Pricker draw point passes from the hinged end of safety device, two cantilever snap fits of the flexible pipe that Paracentesis needle holder rear end is socketed from safety device
End passes；When the puncture needle wing of Paracentesis needle holder both sides passes through the arcuation projection of strip collet both sides in the crack of safety device both sides
When being slided to cantilever snap fit end, the cuboid of Paracentesis needle holder upper end is dialled handle and slided into from skidway hole in spacing hole, and cuboid dials handle
Blocked by two slanting baffles of non-return piece, puncture needle draw point is arranged in safety device；
The specific material of the safety device is made up of following component by following parts by weight：100 parts of polypropylene：Titanium dioxide 20
Part：2 parts of epoxidized soybean oil.
A kind of application method of self-locking medical puncture needle, it is characterised in that step is as follows：
Step 1：Safety device is sleeved on outside the needle stand of puncture needle, cantilever snap fit is buckled into rectangular opening, puncture needle draw point
Passed from the plastic hinge end of safety device, flexible pipe passes from the cantilever snap fit end of safety device, and the pin wing is from safety device both sides
Leant out in crack, the cuboid of puncture needle needle holder is dialled handle and passed from the skidway hole of upper lid, and this hour hands wing is located at hinged end, wears
It is raised close to hinge side end that the pricker wing is located at arcuation, the raised limitation puncture needle wing positions of two arcuations, make puncture needle not to
After slide, medical care operator using assembling safety device after puncture needle carry out clinical treatment or blood sampling operation；
Step 2：After completing clinical treatment or blood sampling operation, medical care operator pins safety device on the other hand, pulls back on the other hand
Dynamic cuboid, which dials handle, makes the puncture needle wing be slided in the crack of both sides, and after the puncture needle wing crosses two arcuation projections, the puncture needle wing arrives
Up to cantilever snap fit end, meanwhile, cuboid is dialled handle and entered by two slanting baffles of non-return piece in spacing hole, and now, cuboid is dialled
Handle is drawn close end by two baffle plates of non-return piece and blocked, and puncture needle draw point is completely into safety device, you can safety removes puncture
Pin is thrown aside.
The beneficial effects of the invention are as follows：Limited by setting two arcuation projections in puncture needle safety device strip collet
The initial position of puncture needle processed, puncture needle is avoided to cause clinical and treatment or blood sampling not to carry out with regard to pushing in device using preceding,
Reduce the product loss during use；By setting cuboid to dial handle above Paracentesis needle holder, make it as medical personnel
Finger impetus during use, reaches easily operated purpose, in operation will not because of medical personnel by unstable safety device and
Cause the crooked success rate for waiting harmful effect, improving operation of puncture needle；By setting top slideway to make puncture needle and cuboid
Dial handle to be used cooperatively, more stable sliding capability can be obtained, sliding rail or twisted is not deviated by, avoid when pulling out pin
Draw point displacement causes the injury to sufferer；By setting non-return piece between the skidway hole and spacing hole on safety device on lid,
Acted on using the elasticity of plastics that two are drawn close slanting baffle on non-return piece, realize that single admission acts on, dialling handle when cuboid passes through only
After two slanting baffle gaps of inverse part enter spacing hole, two slanting baffles are drawn close again by elasticity of plastics effect, two oblique gears
Plate top then blocks cuboid and dials handle prevention puncture needle time cunning, ensure that puncture needle draw point will not be stretched out outside safety device again,
And then avoid using sharp instrument sticks injuries during puncture needle, ensure the safety of operator and sufferer.The design is easily fabricated,
Using simple, and there is very highland reliability.By using low-temperature setting adhesive as bonding agent between draw point and needle stand, script is solidified
80 DEG C of required high temperature are reduced to 65 DEG C -70 DEG C, so as to solve the problems, such as pin wing high temperature deformation, make safe medical puncture needle
Be not in that the pin wing pulls difficulty or situation about can not pull due to deformation in use；By using polypropylene, titanium
The modified polypropene of white powder, epoxidized soybean oil proportioning, strengthens the hardness and toughness of safety device raw material, solves original single
The problem of being deformed after polypropylene material injection, so as to avoid because safety device deformation causes both sides crack excessive and triggers
The failure of slope boss position-limiting action.
Safe medical lancet design in the present invention is rigorous, and safety coefficient is high, using flexible, can be applied to multiple types
Intravenous infusion needle, medical blood-sampling needle and the diacan of type, there is very strong practicality.
Safe medical puncture needle in the present invention reduces puncture needle clinic puncture risks, improves safety in utilization,
The danger for the treatment of of!medical waste is also reduced, there is higher novelty, and it is obvious compared with product improvement technology point in advance, function is more
Add kind feasible, improvement protrusion.
Brief description of the drawings
Fig. 1 is the structural representation figure of the present invention；
Fig. 2 is the state diagram after use of the present invention；
Fig. 3 is the upward view under safety device open mode of the present invention；
Fig. 4 is the side view under safety device open mode of the present invention；
Fig. 5 is the stereogram of safety device open mode of the present invention；
Fig. 6 is the stereogram of puncture needle needle holder of the present invention；
Fig. 7 is Fig. 3 A enlarged drawing；
Fig. 8 is the schematic diagram of puncture needle of the present invention.
Embodiment
As shown in Figures 1 to 8, self-locking medical puncture needle, including puncture needle draw point 1, puncture needle needle holder 2, flexible pipe 3,
Safety device 4, puncture needle needle holder 2 include the Paracentesis needle holder 2-1 and puncture needle wing 2-2 that injection molding is integrated, Paracentesis needle holder
2-1 rear ends are socketed flexible pipe 3；Safety device 4 is made up of the upper lid 4-1 of a strip collet 4-2 and one, strip collet 4-2 and upper
Lid 4-1 is integrated by the hinge 4-3 injection moldings of two plastics, and upper lid 4-1 is U-shaped strip, on upper lid 4-1 tail ends both sides
A cantilever snap fit 4-1-5 is respectively equipped with wall, on the face of strip collet 4-2 tail ends, is respectively equipped with two with upper lid 4-1
The two rectangular opening 4-2-2, cantilever snap fit 4-1-5 and rectangular opening 4-2-2 that cantilever snap fit 4-1-5 is engaged form both sides when fastening
Crack 4-4.
Puncture needle needle holder 2 also includes one and dials handle 2-3 with the cuboid that Paracentesis needle holder 2-1 injection moldings are integrated, long
Cube is dialled handle 2-3 and is located in the middle part of Paracentesis needle holder 2-1, perpendicular to puncture needle wing 2-2.
Upper lid 4-1 top surfaces are provided with a bar hole, and bar hole includes skidway hole 4-1-1 and spacing hole 4-1-4, in skidway hole 4-
A non-return piece 4-1-2 is provided between 1-1 and spacing hole 4-1-4, non-return piece 4-1-2 is located at skidway hole 4-1- respectively comprising two
Slanting baffle 4-1-3 on 1 two side, two slanting baffle 4-1-3 front ends tilt to spacing hole 4-1-4 axis respectively, spacing hole 4-
1-4 sizes are identical with cuboid group handle 2-3 horizontal cross section dimensions.
The both sides in strip collet 4-2 faces are respectively equipped with one section of arcuation projection 4-2-1.
Puncture needle draw point 1 is bonded in Paracentesis needle holder 2-1 front end by low-temperature setting adhesive 5, low-temperature setting adhesive 5 65 DEG C-
Heated 30 minutes at a temperature of 70 DEG C and reach solidification effect.
Upper lid 4-1 and strip collet 4-2 is fastened, and Paracentesis needle holder 2-1 is arranged on lid 4-1 and strip collet 4-2
Between, the cuboid of Paracentesis needle holder 2-1 upper ends is dialled handle 2-3 and stretched out from the skidway hole 4-1-1 of upper lid 4-1 bar holes, puncture needle
The puncture needle wing 2-2 of seat 2-1 both sides is arranged between the crack 4-4 of both sides and its interference fits, the puncture of Paracentesis needle holder 2-1 front ends
Pin draw point 1 passes from the hinge 4-3 ends of safety device 4, and the flexible pipe 3 of Paracentesis needle holder 2-1 rear ends socket is from two of safety device 2
Cantilever snap fit 4-1-5 ends pass；When the puncture needle wing 2-2 of Paracentesis needle holder 2-1 both sides leads in the both sides crack 4-4 of safety device 4
Cross the arcuation projection 4-2-1 of strip collet 4-2 both sides to cantilever snap fit 4-1-5 ends slide when, Paracentesis needle holder 2-1 upper ends it is rectangular
Body is dialled handle 2-3 and slided into from skidway hole 4-1-1 in spacing hole 4-1-4, and cuboid is dialled handle 2-3 and tiltedly kept off for two by non-return piece 4-1-2
Plate 4-1-3 is blocked, and puncture needle draw point 1 is arranged in safety device 4.
The specific material of safety device 4 is made up of following component by following parts by weight：100 parts of polypropylene：20 parts of titanium dioxide：
2 parts of epoxidized soybean oil.
Two slanting baffle 4-1-3 front ends are respectively 10 degree to the inclined angle of spacing hole 4-1-4 axis, slanting baffle 4-1-3
Angle with skidway hole 4-1-1 inwalls is 170 degree.
A kind of application method of self-locking medical puncture needle, step are as follows：
Step 1：Safety device 4 is sleeved on outside the needle stand 2 of puncture needle, cantilever snap fit 4-1-5 buckles into rectangular opening 4-2-2
Interior, puncture needle draw point 1 passes from the plastic hinge 4-3 ends of safety device 4, cantilever snap fit 4-1-2 of the flexible pipe 4 from safety device 4
End is passed, and the pin wing 3 is leant out from the both sides crack 4-4 of safety device 4, and the cuboid of puncture needle needle holder 2 dials handle 2-3 from upper lid 4-
Passed in 1 skidway hole 4-1-1, this hour hands wing 1-3 is located at hinge 4-3 ends, and puncture needle wing 2-2 is located at arcuation projection 4-2-1 and leaned on
Nearly hinge 4-3 side ends, two arcuation projection 4-2-1 limitation puncture needle wing 2-2 positions, make puncture needle not slide backward, cure
Protect operator and carry out clinical treatment or blood sampling operation using the puncture needle after assembling safety device 4；
Step 2：After completing clinical treatment or blood sampling operation, medical care operator pins safety device 4 on the other hand, pulls back on the other hand
Dynamic cuboid, which dials handle 2-3, makes puncture needle wing 2-2 be slided in the crack 4-4 of both sides, and puncture needle wing 2-2 crosses two arcuation projection 4-
After 2-1, puncture needle wing 2-2 reaches cantilever snap fit 4-1-5 ends, meanwhile, cuboid dials handle 2-3 two by non-return piece 4-1-2
Slanting baffle 4-1-3 enters in spacing hole 4-1-4, and now, cuboid is dialled handle 2-3 and leaned on by non-return piece 4-1-2 two baffle plate 4-1-3
Hold together end to block, puncture needle draw point 1 is completely into safety device 4, you can safety is removed puncture needle and thrown aside.
Claims (2)
1. self-locking medical puncture needle, including puncture needle draw point（1）, puncture needle needle holder（2）, flexible pipe（3）, safety device（4）,
Puncture needle needle holder（2）The Paracentesis needle holder being integrated including injection molding（2-1）With the puncture needle wing（2-2）, Paracentesis needle holder（2-1）
Rear end is socketed flexible pipe（3）；Safety device（4）It is made up of a strip collet (4-2) and a upper lid (4-1), the strip bottom
Hold in the palm (4-2) and the upper lid hinge of (4-1) by two plastics（4-3）Injection molding is integrated, and upper lid (4-1) is U-shaped strip,
A cantilever snap fit (4-1-5) is respectively equipped with the wall on upper lid (4-1) tail end both sides, on the face of strip collet (4-2) tail end,
It is respectively equipped with two rectangular openings (4-2-2) being engaged with two cantilever snap fits (4-1-5) of upper lid (4-1), cantilever snap fit (4-
Both sides crack (4-4) is formed when 1-5) being fastened with rectangular opening (4-2-2), it is characterised in that：The puncture needle needle holder（2）Also wrap
Include one and Paracentesis needle holder（2-1）The cuboid that injection molding is integrated dials handle（2-3）, cuboid group handle（2-3）Positioned at puncture
Needle stand（2-1）Middle part, perpendicular to the puncture needle wing（2-2）；
Described upper lid (4-1) top surface is provided with a bar hole, and bar hole includes skidway hole（4-1-1）And spacing hole（4-1-4）, in cunning
Road hole (4-1-1) and spacing hole（4-1-4）Between be provided with a non-return piece (4-1-2), non-return piece（4-1-2）Include two difference
Slanting baffle on skidway hole (4-1-1) two side（4-1-3）, two slanting baffle (4-1-3) front ends are respectively to spacing hole
（4-1-4）Axis tilts, spacing hole（4-1-4）Size dials handle with cuboid（2-3）Horizontal cross section dimension is identical；
The both sides in strip collet (4-2) face are respectively equipped with one section of arcuation projection（4-2-1）；
The puncture needle draw point（1）Pass through low-temperature setting adhesive（5）It is bonded in Paracentesis needle holder（2-1）Front end, low-temperature setting adhesive（5）
Heated 30 minutes at a temperature of 65 DEG C -70 DEG C and reach solidification effect；
The upper lid (4-1) is fastened with strip collet (4-2), Paracentesis needle holder（2-1）It is arranged on lid (4-1) and bar
Between shape collet (4-2), Paracentesis needle holder（2-1）The cuboid of upper end dials handle（2-3）From the skidway hole of Shang Gai (4-1) bar hole
（4-1-1）Middle stretching, Paracentesis needle holder（2-1）The puncture needle wing of both sides（2-2）It is arranged between both sides crack (4-4) and its mistake
Cross cooperation, Paracentesis needle holder（2-1）The puncture needle draw point of front end（1）From safety device（4）Hinge（4-3）End passes, puncture needle
Seat（2-1）The flexible pipe of rear end socket（3）From safety device（2）Two cantilever snap fits (4-1-5) end pass；Work as Paracentesis needle holder
（2-1）The puncture needle wing of both sides（2-2）In safety device（4）Pass through the arc of strip collet (4-2) both sides in both sides crack (4-4)
Shape is raised（4-2-1）When holding slip to cantilever snap fit (4-1-5), Paracentesis needle holder（2-1）The cuboid of upper end dials handle（2-3）From cunning
Road hole（4-1-1）Slide into spacing hole（4-1-4）In, cuboid dials handle（2-3）By non-return piece（4-1-2）Two slanting baffles（4-
1-3）Block, puncture needle draw point（1）It is arranged on safety device（4）In；
The safety device（4）Specific material be made up of following component by following parts by weight：100 parts of polypropylene：Titanium dioxide 20
Part：2 parts of epoxidized soybean oil.
2. self-locking medical puncture needle as claimed in claim 1, it is characterised in that：Two slanting baffles (4-1-3) front end
Respectively to spacing hole（4-1-4）The inclined angle of axis is 10 degree, slanting baffle (4-1-3) and skidway hole（4-1-1）The angle of inwall
Spend for 170 degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503989.2A CN105126195B (en) | 2015-08-18 | 2015-08-18 | Self-locking medical puncture needle and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503989.2A CN105126195B (en) | 2015-08-18 | 2015-08-18 | Self-locking medical puncture needle and application method |
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| Publication Number | Publication Date |
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| CN105126195A CN105126195A (en) | 2015-12-09 |
| CN105126195B true CN105126195B (en) | 2018-01-23 |
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| CN201510503989.2A Active CN105126195B (en) | 2015-08-18 | 2015-08-18 | Self-locking medical puncture needle and application method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105877765B (en) * | 2016-06-27 | 2018-07-27 | 北京光耀世纪医疗科技有限公司 | A kind of safety type puncture needle |
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| CN1429631A (en) * | 2001-12-28 | 2003-07-16 | 贝克顿迪肯森公司 | Medical needle assembly |
| CN2714066Y (en) * | 2004-03-03 | 2005-08-03 | 康德保生化科技股份有限公司 | Improved safety casing structure for butterfly needle |
| CN202553946U (en) * | 2012-05-15 | 2012-11-28 | 王振民 | Anti-stabbed bloodiness-prevention needle guard integrated novel venous injection needle with post-operation needle end |
| CN202724368U (en) * | 2012-08-31 | 2013-02-13 | 浙江康德莱医疗器械股份有限公司 | Safety infusion needle |
| CN203208036U (en) * | 2013-03-29 | 2013-09-25 | 扬州美德莱医疗用品有限公司 | Anti-acupuncture vacuum blood taking needle |
| CN104338204A (en) * | 2013-07-25 | 2015-02-11 | 江苏康宝医疗器械有限公司 | Safety vein needle protection sleeve |
| CN104667380A (en) * | 2015-02-11 | 2015-06-03 | 林刚 | Novel transfusion needle fixing protection device |
-
2015
- 2015-08-18 CN CN201510503989.2A patent/CN105126195B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429631A (en) * | 2001-12-28 | 2003-07-16 | 贝克顿迪肯森公司 | Medical needle assembly |
| CN2714066Y (en) * | 2004-03-03 | 2005-08-03 | 康德保生化科技股份有限公司 | Improved safety casing structure for butterfly needle |
| CN202553946U (en) * | 2012-05-15 | 2012-11-28 | 王振民 | Anti-stabbed bloodiness-prevention needle guard integrated novel venous injection needle with post-operation needle end |
| CN202724368U (en) * | 2012-08-31 | 2013-02-13 | 浙江康德莱医疗器械股份有限公司 | Safety infusion needle |
| CN203208036U (en) * | 2013-03-29 | 2013-09-25 | 扬州美德莱医疗用品有限公司 | Anti-acupuncture vacuum blood taking needle |
| CN104338204A (en) * | 2013-07-25 | 2015-02-11 | 江苏康宝医疗器械有限公司 | Safety vein needle protection sleeve |
| CN104667380A (en) * | 2015-02-11 | 2015-06-03 | 林刚 | Novel transfusion needle fixing protection device |
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| Publication number | Publication date |
|---|---|
| CN105126195A (en) | 2015-12-09 |
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