CN105126195A - Self-locking medical puncture needle and using method - Google Patents
Self-locking medical puncture needle and using method Download PDFInfo
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- CN105126195A CN105126195A CN201510503989.2A CN201510503989A CN105126195A CN 105126195 A CN105126195 A CN 105126195A CN 201510503989 A CN201510503989 A CN 201510503989A CN 105126195 A CN105126195 A CN 105126195A
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Abstract
The invention relates to a self-locking medical puncture needle and a using method; the self-locking medical puncture needle comprises a steel puncture needle, a puncture needle holder composed of a puncture needle base and a puncture needle wing, a soft tube and a safety device composed of a bottom support and an upper cover. The safety device is sleeved outside the needle base of the puncture needle; after a medical operator completes clinical treatment or a blood collection operation, the safety device is pressed by one hand of the medical operator and the puncture needle wing is made to slide between cracks in two sides as a rectangular pulling handle is pulled backwards by the other hand, the rectangular pulling handle is driven into a limiting hole and is clamped by the closing ends of two baffle plates of a non-return piece and the steel puncture needle completely enters the safety device, so that the puncture needle can be safely taken down and be discarded. The self-locking medical puncture needle disclosed by the invention has the effects that the clinical puncture risk of the puncture needle is reduced, use safety is increased, the risk of medical waste disposal is reduced and effect is significantly improved. The self-locking medical puncture needle is concise in design and high in flexibility, and the puncture needle is applicable to intravenous infusion needles, medical blood taking needles and arteriovenous puncture needles of various types and the puncture needle is quite strong in practicability.
Description
Technical field
The present invention relates to a kind of self-locking medical puncture needle and using method, be suitable for for venoclysis needle, medical blood-sampling needle and diacan.
Background technology
Puncture instrument the most general clinically with the matching used venoclysis needle of transfusion device, medical blood-sampling needle and diacan, but due to its puncture properties, these two kinds of apparatuses in use have certain danger, the sharp instrument sticks injuries rate that it causes when sufferer is many or medical personnel operate unskilled is also relatively high, and this medical injury have received and paid attention to widely.In addition, also can bring very large risk to operator during this kind of discarded medical waste recycling, sharp instrument sticks injuries also has generation frequently.
The patent No. is a kind of intravenous needle sheath utility model patent of ZL201310314017X, the anterior sheath and rear portion pleated sheet that comprise and can be fastened mutually by a pair buckle are set forth, intravenous needle is clipped in wherein by described intravenous needle sheath, use posterior vein pin to be retracted into sheath inside to stash, thus avoid scratching and infecting, simultaneously by pleated sheet rear portion limited step location intravenous needle fin, and arrange on anterior guard leading end sidewall to convex top compression restriction tube for transfusion, thus prevent needle body from departing from sheath easily.
The deficiency that this patent exists has: after intravenous needle uses, throwing aside in the process of link or transportation, due to the two-piece type structure of intravenous needle sheath, if collided or extrude, intravenous needle sheath bend is very likely caused to be out of shape, the spacing of anterior sheath and rear portion pleated sheet can strengthen thereupon, now, limited step will lose efficacy, and cannot fix the intravenous needle pin wing; Intravenous needle jacket outer surface is smooth, does not have the impetus pointed in the process of returning intravenous needle, and whole intravenous needle is easy to, due to stressed and occur crooked, damage sufferer; The leading section sidewall of anterior sheath is arranged to convex top, although the effect that compression restriction tube for transfusion makes it not be subjected to displacement can be played, but this projection compresses tube for transfusion from start to finish in actual use, inner diameter is caused to change, during clinical treatment, medicinal liquid flow velocity instability even stops, simultaneously in intravenous needle back off procedure, due to the interaction force of convex top and tube for transfusion, the link pulling fin intravenous needle to be sent into sheath will be subject to larger resistance, make this operation be difficult to carry out, reduce the practicality of this sheath; The intravenous needle of existing medical puncture needle, generally use epoxy resin as the bonding agent of draw point and needle stand, solidification temperature needed for this bonding agent is 80 DEG C, in solidification process, the fin of polrvinyl chloride material is easily caused to deform because temperature is too high, this distortion is little on common puncture needle impact, if but be applied to described sheath, fin that is bending or distortion then cannot slide smoothly between anterior sheath and rear portion pleated sheet; In addition, the injected plastics material that sheath uses also has a significant impact its performance, current similar device generally adopts polyethylene, but experience higher injection temperature after cooling procedure in, anterior sheath and rear portion pleated sheet can shrink effect, and cause slight bending, now the spacing of anterior sheath and rear portion pleated sheet can strengthen, therefore angled protrusions and spacing preiection will lose efficacy, and cannot play the effect of fixing intravenous needle.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of self-locking medical puncture needle, by the improvement to safety device, puncture needle after using directly is retracted into puncture needle safety device, make draw point be wrapped in puncture needle safety device completely, to reach the object avoiding sharp instrument sticks injuries, greatly reduce clinical puncture risks, improve safety, also evade treatment of!medical waste risk simultaneously.
The present invention for achieving the above object, the technical scheme adopted is: a kind of self-locking medical puncture needle, comprise puncture needle draw point, puncture needle needle holder, flexible pipe, safety device, puncture needle needle holder comprises the Paracentesis needle holder and the puncture needle wing that injection mo(u)lding is integrated, Paracentesis needle holder rear end socket flexible pipe, safety device is made up of a strip collet and a upper cover, described strip collet and upper cover are integrated by the hinge injection mo(u)lding of two plastics, upper cover is U-shaped strip, the wall on upper cover tail end both sides is respectively equipped with a cantilever snap fit, on the face of strip collet tail end, be respectively equipped with two rectangular openings matched with two of upper cover cantilever snap fits, cantilever snap fit and rectangular opening form both sides crack when fastening, it is characterized in that: described puncture needle needle holder also comprises a cuboid be integrated with Paracentesis needle holder injection mo(u)lding and dials handle, cuboid is dialled handle and is positioned in the middle part of Paracentesis needle holder, perpendicular to the puncture needle wing,
Described upper cover top surface is provided with a bar hole, bar hole comprises skidway hole and spacing hole, a non-return piece is provided with between skidway hole and spacing hole, non-return piece comprises two slanting baffles laid respectively on skidway hole two side, two slanting baffle front ends tilt respectively to spacing hole axis, and it is identical that spacing hole size and cuboid dial handle horizontal cross section dimension;
The both sides in described strip collet face are respectively equipped with one section of arcuation projection;
Described puncture needle draw point is bonded in the front end of Paracentesis needle holder by low-temperature setting adhesive, low-temperature setting adhesive heats and reaches solidification effect in 30 minutes at 65 DEG C of-70 DEG C of temperature;
Described upper cover and strip collet are fastened, and Paracentesis needle holder is arranged between upper cover and strip collet, and the cuboid of Paracentesis needle holder upper end is dialled handle and stretched out from the skidway hole of upper cover bar hole,
The puncture needle wing of Paracentesis needle holder both sides be arranged between the crack of both sides with its interference fits, the puncture needle draw point of Paracentesis needle holder front end passes from the hinged end of safety device, and the flexible pipe of Paracentesis needle holder rear end socket passes from two cantilever snap fit ends of safety device; When the puncture needle wing of Paracentesis needle holder both sides is slided to cantilever snap fit end by the arcuation projection of strip collet both sides in the crack of safety device both sides, the cuboid of Paracentesis needle holder upper end is dialled handle and is slided into spacing hole from skidway hole, cuboid is dialled handle and is blocked by non-return piece two slanting baffles, and puncture needle draw point is arranged in safety device;
The concrete material of described safety device is made up of by following weight portion following component: polypropylene 100 parts: titanium dioxide 20 parts: epoxy soybean oil 2 parts.
A using method for self-locking medical puncture needle, is characterized in that, step is as follows:
Step 1: safety device is sleeved on outside the needle stand of puncture needle, cantilever snap fit buckles in rectangular opening, puncture needle draw point passes from the plastic hinge end of safety device, flexible pipe passes from the cantilever snap fit end of safety device, the pin wing leans out from the crack of safety device both sides, the cuboid of puncture needle needle holder is dialled handle and is passed from the skidway hole of upper cover, this hour hands wing is positioned at hinged end, it is protruding near hinge side end that the puncture needle wing is positioned at arcuation, article two, arcuation projection restriction puncture needle wing position, puncture needle is not slided backward, puncture needle after medical care operator uses assembling safety device carries 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, pull back on the other hand cuboid to dial handle the puncture needle wing is slided in the crack of both sides, after the puncture needle wing crosses two arcuation projections, the puncture needle wing arrives cantilever snap fit end, simultaneously, cuboid is dialled handle and is entered in spacing hole by two slanting baffles of non-return piece, now, cuboid is dialled handle and is drawn close end by two baffle plates of non-return piece and block, puncture needle draw point enters in safety device completely, can take off safely puncture needle and throw aside.
The invention has the beneficial effects as follows: the initial position limiting puncture needle by arranging two arcuation projections in puncture needle safety device strip collet, avoid puncture needle cause clinical with regard to pushing in device before use and treat or take a blood sample and cannot carry out, reduce the product loss in use procedure, handle is dialled by arranging cuboid above Paracentesis needle holder, finger impetus when making it use as medical personnel, reach and be easy to operate object, harmful effect such as puncture needle crooked grade can not be caused because of medical personnel by unstable safety device when operating, improve the success rate of operation, by arrange top slideway make puncture needle and cuboid dial handle with the use of, more stable sliding capability can be obtained, sliding rail or twisted can not be departed from, avoid the displacement of when pulling out pin draw point and cause injury to sufferer, by arranging non-return piece between the skidway hole that covers on safety device and spacing hole, to utilize on non-return piece two elasticity of plastics effects drawing close slanting baffle, realize single admission effect, when cuboid is dialled after handle enters spacing hole by two slanting baffle gaps of non-return piece, two slanting baffles rely on elasticity of plastics effect again to draw close, two slanting baffle tops are then blocked cuboid and are dialled handle and stop puncture needle to return cunning, ensure that puncture needle draw point can not stretch out outside safety device again, and then the sharp instrument sticks injuries avoided when using puncture needle, ensure the safety of operator and sufferer.This design is easy to manufacture, and uses simple, and has very highland reliability.By using low-temperature setting adhesive as bonding agent between draw point and needle stand, originally 80 DEG C of high temperature needed for solidification are reduced to 65 DEG C-70 DEG C, thus solve the problem of pin wing high temperature deformation, make safe medical puncture needle in use there will not be the pin wing to pull the difficult situation that maybe cannot pull due to distortion; By using the modified polypropene of polypropylene, titanium dioxide, epoxy soybean oil proportioning, strengthen the raw-material hardness of safety device and toughness, produce the problem of distortion after solving original single polypropylene material injection moulding, thus avoid the slope boss position-limiting action inefficacy caused because safety device distortion causes both sides crack excessive.
Safe medical lancet design in the present invention is rigorous, and safety coefficient is high, uses flexibly, can be applicable to polytype venoclysis needle, medical blood-sampling needle and diacan, have very strong practicality.
Safe medical puncture needle in the present invention reduces the clinical puncture risks of puncture needle, improves safety in utilization, also reduces the danger for the treatment of of!medical waste, there is higher novelty, and the point of product improvement technology is more in advance obvious, function is improved feasible more, improves remarkably productive.
Accompanying drawing explanation
Fig. 1 is structural representation figure of the present invention;
Fig. 2 is the state diagram after the present invention uses;
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 axonometric chart of safety device open mode of the present invention;
Fig. 6 is the axonometric chart of puncture needle needle holder of the present invention;
Fig. 7 is the enlarged drawing of Fig. 3 A;
Fig. 8 is the schematic diagram of puncture needle of the present invention.
Detailed description of the invention
As shown in Figures 1 to 8, self-locking medical puncture needle, comprise puncture needle draw point 1, puncture needle needle holder 2, flexible pipe 3, safety device 4, puncture needle needle holder 2 comprises the Paracentesis needle holder 2-1 and puncture needle wing 2-2, Paracentesis needle holder 2-1 rear end socket flexible pipe 3 that injection mo(u)lding is integrated; Safety device 4 is made up of an a strip collet 4-2 and upper cover 4-1, strip collet 4-2 and upper cover 4-1 is integrated by the hinge 4-3 injection mo(u)lding of two plastics, upper cover 4-1 is U-shaped strip, the wall on upper cover 4-1 tail end both sides is respectively equipped with a cantilever snap fit 4-1-5, on the face of strip collet 4-2 tail end, be respectively equipped with two the rectangular opening 4-2-2 matched with two of upper cover 4-1 cantilever snap fit 4-1-5, when cantilever snap fit 4-1-5 and rectangular opening 4-2-2 fastens, form both sides crack 4-4.
Puncture needle needle holder 2 also comprises a cuboid be integrated with Paracentesis needle holder 2-1 injection mo(u)lding and dials handle 2-3, and cuboid is dialled handle 2-3 and is positioned in the middle part of Paracentesis needle holder 2-1, perpendicular to puncture needle wing 2-2.
Upper cover 4-1 end face is provided with a bar hole, bar hole comprises skidway hole 4-1-1 and spacing hole 4-1-4, a non-return piece 4-1-2 is provided with between skidway hole 4-1-1 and spacing hole 4-1-4, non-return piece 4-1-2 comprises two slanting baffle 4-1-3 laid respectively on skidway hole 4-1-1 two side, two slanting baffle 4-1-3 front ends tilt respectively to spacing hole 4-1-4 axis, and it is identical that spacing hole 4-1-4 size and cuboid dial handle 2-3 horizontal cross section dimension.
The both sides in strip collet 4-2 face are respectively equipped with the protruding 4-2-1 of one section of arcuation.
Puncture needle draw point 1 is bonded in the front end of Paracentesis needle holder 2-1 by low-temperature setting adhesive 5, and low-temperature setting adhesive 5 heats and reaches solidification effect in 30 minutes at 65 DEG C of-70 DEG C of temperature.
Upper cover 4-1 and strip collet 4-2 is fastened, Paracentesis needle holder 2-1 is arranged between upper cover 4-1 and strip collet 4-2, the cuboid of Paracentesis needle holder 2-1 upper end is dialled handle 2-3 and is stretched out from the skidway hole 4-1-1 of upper cover 4-1 bar hole, the puncture needle wing 2-2 of Paracentesis needle holder 2-1 both sides be arranged between the crack 4-4 of both sides with its interference fits, the puncture needle draw point 1 of Paracentesis needle holder 2-1 front end passes from the hinge 4-3 end of safety device 4, and the flexible pipe 3 of Paracentesis needle holder 2-1 rear end socket passes from two cantilever snap fit 4-1-5 ends of safety device 2; When the puncture needle wing 2-2 of Paracentesis needle holder 2-1 both sides holds slip by the protruding 4-2-1 of the arcuation of strip collet 4-2 both sides to cantilever snap fit 4-1-5 in the crack 4-4 of safety device 4 both sides, the cuboid of Paracentesis needle holder 2-1 upper end is dialled handle 2-3 and is slided into spacing hole 4-1-4 from skidway hole 4-1-1, cuboid is dialled handle 2-3 and is blocked by non-return piece 4-1-2 two slanting baffle 4-1-3, and puncture needle draw point 1 is arranged in safety device 4.
The concrete material of safety device 4 is made up of by following weight portion following component: polypropylene 100 parts: titanium dioxide 20 parts: epoxy soybean oil 2 parts.
The angle that two slanting baffle 4-1-3 front ends tilt respectively to spacing hole 4-1-4 axis is 10 degree, and the angle of slanting baffle 4-1-3 and skidway hole 4-1-1 inwall is 170 degree.
A using method for self-locking medical puncture needle, step is 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 in rectangular opening 4-2-2, puncture needle draw point 1 passes from the plastic hinge 4-3 end of safety device 4, flexible pipe 4 passes from the cantilever snap fit 4-1-2 end of safety device 4, the pin wing 3 leans out from the crack 4-4 of safety device 4 both sides, the cuboid of puncture needle needle holder 2 is dialled handle 2-3 and is passed from the skidway hole 4-1-1 of upper cover 4-1, this hour hands wing 1-3 is positioned at hinge 4-3 and holds, puncture needle wing 2-2 is positioned at the protruding 4-2-1 of arcuation near hinge 4-3 side end, article two, the protruding 4-2-1 of arcuation limits puncture needle wing 2-2 position, puncture needle is not slided backward, puncture needle after medical care operator uses assembling safety device 4 carries out clinical treatment or blood sampling operation,
Step 2: after completing clinical treatment or blood sampling operation, medical care operator pins safety device 4 on the other hand, pull back on the other hand cuboid to dial handle 2-3 puncture needle wing 2-2 is slided in the crack 4-4 of both sides, after puncture needle wing 2-2 crosses the protruding 4-2-1 of two arcuations, puncture needle wing 2-2 arrives cantilever snap fit 4-1-5 end, simultaneously, cuboid is dialled handle 2-3 and is entered in spacing hole 4-1-4 by two slanting baffle 4-1-3 of non-return piece 4-1-2, now, cuboid is dialled handle 2-3 and is drawn close end by two baffle plate 4-1-3 of non-return piece 4-1-2 and block, puncture needle draw point 1 enters in safety device 4 completely, puncture needle can be taken off safely to throw aside.
Claims (3)
1. self-locking medical puncture needle, comprise puncture needle draw point (1), puncture needle needle holder (2), flexible pipe (3), safety device (4), puncture needle needle holder (2) comprises the Paracentesis needle holder (2-1) and the puncture needle wing (2-2) that injection mo(u)lding is integrated, Paracentesis needle holder (2-1) rear end socket flexible pipe (3), safety device (4) is made up of a strip collet (4-2) and a upper cover (4-1), described strip collet (4-2) and upper cover (4-1) are integrated by hinge (4-3) injection mo(u)lding of two plastics, upper cover (4-1) is U-shaped strip, the wall on upper cover (4-1) tail end both sides is respectively equipped with a cantilever snap fit (4-1-5), on the face of strip collet (4-2) tail end, be respectively equipped with two rectangular openings (4-2-2) matched with two cantilever snap fits (4-1-5) of upper cover (4-1), cantilever snap fit (4-1-5) and rectangular opening (4-2-2) form both sides crack (4-4) when fastening,
It is characterized in that: described puncture needle needle holder (2) also comprises a cuboid be integrated with Paracentesis needle holder (2-1) injection mo(u)lding and dials handle (2-3), cuboid is dialled handle (2-3) and is positioned at Paracentesis needle holder (2-1) middle part, perpendicular to the puncture needle wing (2-2);
Described upper cover (4-1) end face is provided with a bar hole, bar hole comprises skidway hole (4-1-1) and spacing hole (4-1-4), a non-return piece (4-1-2) is provided with between skidway hole (4-1-1) and spacing hole (4-1-4), non-return piece (4-1-2) comprises two slanting baffles (4-1-3) laid respectively on skidway hole (4-1-1) two side, two slanting baffle (4-1-3) front ends tilt respectively to spacing hole (4-1-4) axis, and it is identical that spacing hole (4-1-4) size and cuboid dial handle (2-3) horizontal cross section dimension;
The both sides in described strip collet (4-2) face are respectively equipped with one section of arcuation projection (4-2-1);
Described puncture needle draw point (1) is bonded in the front end of Paracentesis needle holder (2-1) by low-temperature setting adhesive (5), low-temperature setting adhesive (5) heats and reaches solidification effect in 30 minutes at 65 DEG C of-70 DEG C of temperature;
Described upper cover (4-1) and strip collet (4-2) are fastened, Paracentesis needle holder (2-1) is arranged between upper cover (4-1) and strip collet (4-2), the cuboid of Paracentesis needle holder (2-1) upper end is dialled handle (2-3) and is stretched out from the skidway hole (4-1-1) of upper cover (4-1) bar hole
The puncture needle wing (2-2) of Paracentesis needle holder (2-1) both sides be arranged between both sides crack (4-4) with its interference fits, the puncture needle draw point (1) of Paracentesis needle holder (2-1) front end passes from hinge (4-3) end of safety device (4), and the flexible pipe (3) of Paracentesis needle holder (2-1) rear end socket passes from two cantilever snap fit (4-1-5) ends of safety device (2); When the puncture needle wing (2-2) of Paracentesis needle holder (2-1) both sides is slided to cantilever snap fit (4-1-5) end by the arcuation projection (4-2-1) of strip collet (4-2) both sides in safety device (4) both sides crack (4-4), the cuboid of Paracentesis needle holder (2-1) upper end is dialled handle (2-3) and is slided into spacing hole (4-1-4) from skidway hole (4-1-1), cuboid is dialled handle (2-3) and is blocked by non-return piece (4-1-2) two slanting baffles (4-1-3), and puncture needle draw point (1) is arranged in safety device (4);
The concrete material of described safety device (4) is made up of by following weight portion following component: polypropylene 100 parts: titanium dioxide 20 parts: epoxy soybean oil 2 parts.
2. self-locking medical puncture needle as claimed in claim 1, it is characterized in that: the angle that described two slanting baffle (4-1-3) front ends tilt respectively to spacing hole (4-1-4) axis is 10 degree, slanting baffle (4-1-3) is 170 degree with the angle of skidway hole (4-1-1) inwall.
3. the using method of self-locking medical puncture needle, is characterized in that, step is as follows:
Step 1: safety device (4) is sleeved on the needle stand (2) of puncture needle outward, cantilever snap fit (4-1-5) buckles in rectangular opening (4-2-2), puncture needle draw point (1) passes from plastic hinge (4-3) end of safety device (4), flexible pipe (4) passes from cantilever snap fit (4-1-2) end of safety device (4), the pin wing (3) leans out from safety device (4) both sides crack (4-4), the cuboid of puncture needle needle holder (2) is dialled handle (2-3) and is passed from the skidway hole (4-1-1) of upper cover (4-1), this hour hands wing (1-3) is positioned at hinge (4-3) end, the puncture needle wing (2-2) is positioned at arcuation projection (4-2-1) near hinge (4-3) side end, article two, arcuation projection (4-2-1) limits the puncture needle wing (2-2) position, puncture needle is not slided backward, puncture needle after medical care operator uses assembling safety device (4) carries out clinical treatment or blood sampling operation,
Step 2: after completing clinical treatment or blood sampling operation, medical care operator pins safety device (4) on the other hand, pull back on the other hand cuboid to dial handle (2-3) the puncture needle wing (2-2) is slided in both sides crack (4-4), after the puncture needle wing (2-2) crosses two arcuation projections (4-2-1), the puncture needle wing (2-2) arrives cantilever snap fit (4-1-5) end, simultaneously, cuboid is dialled handle (2-3) and is entered in spacing hole (4-1-4) by two slanting baffles (4-1-3) of non-return piece (4-1-2), now, cuboid is dialled handle (2-3) and is drawn close end by two baffle plates (4-1-3) of non-return piece (4-1-2) and block, puncture needle draw point (1) enters in safety device (4) completely, puncture needle can be taken off safely to throw aside.
Priority Applications (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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| 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 true CN105126195A (en) | 2015-12-09 |
| CN105126195B CN105126195B (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (1)
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| CN105877765A (en) * | 2016-06-27 | 2016-08-24 | 北京光耀世纪医疗科技有限公司 | Safety puncture needle |
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| 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105877765A (en) * | 2016-06-27 | 2016-08-24 | 北京光耀世纪医疗科技有限公司 | Safety puncture needle |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105126195B (en) | 2018-01-23 |
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