CN103071204B - Safety type detaining needle with disposable use - Google Patents
Safety type detaining needle with disposable use Download PDFInfo
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- CN103071204B CN103071204B CN201310033332.5A CN201310033332A CN103071204B CN 103071204 B CN103071204 B CN 103071204B CN 201310033332 A CN201310033332 A CN 201310033332A CN 103071204 B CN103071204 B CN 103071204B
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- needle
- hole
- holder
- catheter block
- screening glass
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Abstract
The invention discloses a safety type detaining needle with disposable use, which comprises a catheter holder and a needle holder, wherein a protecting component for preventing needle puncture is arranged between the catheter holder and the needle holder; the component for preventing the needle puncture comprises a protecting holder, wherein both ends of the protecting holder are respectively provided with an upper through hole and a lower through hole, a protecting piece is arranged in the protecting holder, one end of the protecting piece, which is close to the needle holder, is provided with a needle penetrating hole, the other end of the protecting piece is provided with a blocking piece, and the blocking piece is upwards bulged so as to form a clamping buckle; a clamping port matched with the clamping buckle is arranged on the catheter holder, and the catheter holder is in clamping connection on the protecting holder by the clamping buckle and the clamping port; and the tail of a puncturing needle sequentially penetrates through the catheter holder and the upper through hole, the needle penetrating hole and the lower through hole are fixedly connected to the needle holder, and the head of the puncturing needle is provided with a deformation point. According to the safety type detaining needle with the disposable use, the hazards of needle puncturing injury, disease infection, environmental pollution and the like can be effectively prevented.
Description
Technical field
The invention belongs to infusion apparatus field, relate in particular to a kind of disposable use safe type retention needle with anti-needling action.
Background technology
The use of venous detaining needle can reduce infant because of cause painful of venipuncture repeatedly and to the fear of having an injection, alleviate the head of a family's impatience, be convenient to clinical application, suddenly, the rescue medication of critical patient, alleviate nurse's workload, reduce infant pain, thereby venous detaining needle is in wide clinical application.But existing remaining needle withdraw of the needle after use, syringe needle is polluted by patient's blood, and medical personnel, pulling away or clear up while abandoning remaining needle, are easily stabbed by syringe needle and easily catch, discarded syringe needle is exposed simultaneously easily causes environmental pollution in environment, has serious potential safety hazard.In Chinese patent CN201481960U, disclose a kind of safe type retention needle with needle point shield assembly, the catch of upspringing of the elastic steel sheet in needle point shield assembly blocks needle point, syringe needle can not be passed again, thereby prevent needle stick injury.But elastic steel sheet is easily lost elasticity, once catch can not be upspring, just can not reach the effect that stops that syringe needle passes again, lost the function that prevents needle stick injury, there is potential safety hazard.
Summary of the invention
Defect in view of above-mentioned prior art exists, the object of the invention is to propose a kind of disposable use safe type retention needle, makes remaining needle syringe needle after using the withdraw of the needle avoid exposed in environment, prevents cross infection and environmental pollution after acupuncture.
Object of the present invention will be achieved by the following technical programs:
A disposable use safe type retention needle, comprises a catheter block and a needle stand, is provided with an anti-acupuncture protection assembly between described catheter block and described needle stand; Described anti-acupuncture assembly comprises a protecting seat, the two ends of described protecting seat offer respectively through hole and a lower through-hole on one, in described protecting seat, be provided with a screening glass, described screening glass is provided with the hole of threading a needle near one end of described needle stand, the other end is provided with a catch, and described catch forms a buckle to upper process; Described catheter block is provided with a bayonet socket matching with described buckle, and described catheter block is connected on described protecting seat by described buckle and bayonet socket; The afterbody of one puncture needle is successively through described catheter block; upper through hole; thread a needle hole and lower through-hole is fixedly connected on described needle stand; the head of described puncture needle is provided with a deformation point; the external diameter of described deformation point is less than the internal diameter of described upper through hole; and the internal diameter of thread a needle described in being greater than hole or lower through-hole, described deformation point to the distance of the needle point of described puncture needle is less than the distance of hole to catch of threading a needle on described screening glass.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described protecting seat is provided with a locating convex block, offers a draw-in groove corresponding with described locating convex block on described catheter block.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described screening glass near one end of described needle stand be also provided with at least one for described screening glass inlay card is fixed on to the barb in described protecting seat.
Preferably, above-mentioned disposable use safe type retention needle, wherein: on described screening glass, be also provided with at least one for preventing that described screening glass is in the card thorn of described protecting seat internal shift.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described catheter block is to comprise supervisor and in supervisor's one side, be communicated with the three-port structure of the arm arranging with supervisor, is provided with a batching pig in described supervisor, the syringe needle of described puncture needle, through described batching pig, stretches out described catheter block; The syringe needle position cover of described puncture needle has a conduit that can be retained in endovascular softness, is also socketed with a protective sleeve on described catheter block; Described arm is connected with a notes infusion connector by a long duct, is connected with an end cap and a calparine cap on described notes infusion connector; Described long duct is provided with a flow-stopping clip.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described notes infusion connector is needleless joint or positive pressure connector.
Outstanding effect of the present invention is: a kind of disposable use safe type retention needle of the present invention has been set up anti-acupuncture protection assembly; screening glass is wherein subject to the downward pressure that bayonet socket gives when extracting; guaranteed that catch can block the syringe needle of puncture needle completely; can effectively prevent the harm such as needle stick injury, disease propagation and environmental pollution; have simple in structure simultaneously; safe and reliable, easily processing and the feature such as easy to use.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail the specific embodiment of the present invention, so that technical solution of the present invention is easier to understand, grasp.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of the screening glass of the embodiment of the present invention;
Fig. 3 is the partial schematic diagram before the use of the embodiment of the present invention;
Fig. 4 is the partial schematic diagram in the use of the embodiment of the present invention;
Fig. 5 is the partial schematic diagram after the use of the embodiment of the present invention.
The specific embodiment
Embodiment:
A kind of disposable use safe type retention needle of the present embodiment, as shown in Fig. 1～Fig. 5, comprises catheter block 1 and needle stand 2, is provided with anti-acupuncture protection assembly between catheter block 1 and needle stand 2; Anti-acupuncture assembly comprises protecting seat 3, the two ends of protecting seat 3 offer respectively through hole 31 and lower through-hole 32, are provided with screening glass 4 in protecting seat 3, and screening glass 4 is provided with near one end of needle stand 2 hole 41 of threading a needle, the other end is provided with catch 42, and catch 42 forms buckle 43 to upper process; Screening glass 4 is provided with two for screening glass 4 inlay cards are fixed on to the barb 44 in protecting seat 3 near one end of needle stand 2.On screening glass 4, be also provided with a plurality of for preventing that screening glass 4 is in the card thorn 45 of protecting seat 3 internal shifts.Catheter block 1 is provided with the bayonet socket 11 matching with buckle 43, and catheter block 1 is connected on protecting seat 3 by buckle 43 and bayonet socket 11; Protecting seat 3 is provided with locating convex block 33, offers the draw-in groove corresponding with locating convex block 33 12 on catheter block 1, and locating convex block 33 is connected in draw-in groove 12, works to install location and prevents loading error.The afterbody of puncture needle 5 is successively through catheter block 1; upper through hole 31; thread a needle hole 41 and lower through-hole 32 is fixedly connected on needle stand 2; the head of puncture needle 5 is provided with deformation point 51; the external diameter of deformation point 51 is less than the internal diameter of through hole 31; and be greater than the internal diameter of thread a needle hole 41 or lower through-hole 32, deformation point 51 to the distance of the needle point of puncture needle 5 is less than the hole 41 of threading a needle on screening glass 4 to the distance of catch 42, make the needle point can be completely in screening glass 4.
Other structures of the present embodiment similarly to the prior art; catheter block 1 is to comprise supervisor and in supervisor's one side, be communicated with the three-port structure of the arm arranging with supervisor; in supervisor, be provided with batching pig 6; the syringe needle of puncture needle 5 is through batching pig 6; stretch out catheter block 1; the syringe needle position cover of puncture needle 5 has the conduit 7 that can be retained in endovascular softness, is also socketed with protective sleeve 8 on catheter block 1.Arm is connected with notes infusion connector 10 by long duct 9, and noting infusion connector 10 is needleless joint or positive pressure connector or other joints.Note on infusion connector 10 and be connected with end cap 101 and calparine cap 102; Long duct 9 is provided with flow-stopping clip 91.
Application the present embodiment, as shown in Fig. 3～Fig. 5, when remaining needle is installed, puncture needle 5 passes in protecting seat 3, by screening glass 4 jack-up that makes progress, buckle 43 is sticked in the bayonet socket 11 of catheter block 1; When remaining needle is used the rear withdraw of the needle; outwards extract puncture needle 5 until the deformation point 51 of puncture needle 5 is stuck in thread a needle hole 41 or lower through-hole 32 places; now the syringe needle of puncture needle 5 is partly fully retracted in protecting seat 3; continue to extract puncture needle 5; drive protecting seat 3 and screening glass 4 outwards to extract together, screening glass 4 buckle 43 when extracting is subject to the downward pressure that bayonet socket 11 gives, thereby blocks the upper through hole 31 of protecting seat 3; and then puncture needle 5 is completely enclosed within protecting seat 3, realize anti-acupuncture object.
A kind of disposable use safe type retention needle of the present embodiment has been set up anti-acupuncture protection assembly; screening glass 4 is wherein subject to the downward pressure that bayonet socket 11 gives when extracting; guaranteed that catch 42 can block the syringe needle of puncture needle 5 completely; can effectively prevent the harm such as needle stick injury, disease propagation and environmental pollution; have simple in structure simultaneously; safe and reliable, easily processing and the feature such as easy to use.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection scope of the present invention.
Claims (5)
1. a disposable use safe type retention needle, comprises a catheter block and a needle stand, it is characterized in that: between described catheter block and described needle stand, be provided with an anti-acupuncture protection assembly; Described anti-acupuncture assembly comprises a protecting seat, the two ends of described protecting seat offer respectively through hole and a lower through-hole on one, in described protecting seat, be provided with a screening glass, on described screening glass, be also provided with at least one for preventing that described screening glass is in the card thorn of described protecting seat internal shift, described screening glass is provided with the hole of threading a needle near one end of described needle stand, the other end is provided with a catch, and described catch forms a buckle to upper process; Described catheter block is provided with a bayonet socket matching with described buckle, and described catheter block is connected on described protecting seat by described buckle and bayonet socket; The afterbody of one puncture needle is successively through described catheter block; upper through hole; thread a needle hole and lower through-hole is fixedly connected on described needle stand; the head of described puncture needle is provided with a deformation point; the external diameter of described deformation point is less than the internal diameter of described upper through hole; and the internal diameter of thread a needle described in being greater than hole or lower through-hole, described deformation point to the distance of the needle point of described puncture needle is less than the distance of hole to catch of threading a needle on described screening glass.
2. disposable use safe type retention needle according to claim 1, is characterized in that: described protecting seat is provided with a locating convex block, offers a draw-in groove corresponding with described locating convex block on described catheter block.
3. disposable use safe type retention needle according to claim 1, is characterized in that: described screening glass near one end of described needle stand be also provided with at least one for described screening glass inlay card is fixed on to the barb in described protecting seat.
4. disposable use safe type retention needle according to claim 1, it is characterized in that: described catheter block is to comprise supervisor and in supervisor's one side, be communicated with the three-port structure of the arm arranging with supervisor, in described supervisor, be provided with a batching pig, the syringe needle of described puncture needle, through described batching pig, stretches out described catheter block; The syringe needle position cover of described puncture needle has a conduit that can be retained in endovascular softness, is also socketed with a protective sleeve on described catheter block; Described arm is connected with a notes infusion connector by a long duct, is connected with an end cap and a calparine cap on described notes infusion connector; Described long duct is provided with a flow-stopping clip.
5. disposable use safe type retention needle according to claim 4, is characterized in that: described notes infusion connector is needleless joint or positive pressure connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033332.5A CN103071204B (en) | 2013-01-29 | 2013-01-29 | Safety type detaining needle with disposable use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033332.5A CN103071204B (en) | 2013-01-29 | 2013-01-29 | Safety type detaining needle with disposable use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071204A CN103071204A (en) | 2013-05-01 |
| CN103071204B true CN103071204B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310033332.5A Active CN103071204B (en) | 2013-01-29 | 2013-01-29 | Safety type detaining needle with disposable use |
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| CN (1) | CN103071204B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768682B (en) * | 2014-01-27 | 2016-01-27 | 王亚娟 | Safe type retention needle |
| CN105617482B (en) * | 2015-09-28 | 2019-10-25 | 广东龙心医疗器械有限公司 | Disposable anti-needle pierces remaining needle |
| CN105363098B (en) * | 2015-12-18 | 2018-10-19 | 杭州富善医疗器械有限公司 | A kind of anti-venous indwelling needle |
| CN107050567B (en) * | 2017-04-28 | 2023-04-11 | 广东龙心医疗器械有限公司 | Anti-needling retention needle |
| CN107050566B (en) * | 2017-04-28 | 2023-04-11 | 广东龙心医疗器械有限公司 | Anti-needling retention needle |
| CN107789704A (en) * | 2017-11-27 | 2018-03-13 | 昆山伊诺特精密部件有限公司 | A kind of safe clip assembly of remaining needle |
| CN107929874B (en) * | 2017-12-15 | 2023-04-28 | 稳健平安医疗科技(湖南)有限公司 | Needle-punching prevention assembly of safety indwelling needle and safety indwelling needle |
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|---|---|---|---|---|
| JP2002085558A (en) * | 2000-09-19 | 2002-03-26 | Terumo Corp | Puncture tool and retention needle assembly |
| CN201042538Y (en) * | 2007-05-24 | 2008-04-02 | 吴林元 | Safe lien needle |
| EP2343095A1 (en) * | 2008-10-03 | 2011-07-13 | Nipro Corporation | Needle point protector and indwelling needle assembly |
| CN202078634U (en) * | 2011-05-26 | 2011-12-21 | 张秋 | Safety remaining needle |
| CN202605429U (en) * | 2012-05-08 | 2012-12-19 | 江苏苏云医疗器材有限公司 | Safety indwelling needle |
| CN203060461U (en) * | 2013-01-25 | 2013-07-17 | 苏州林华医疗器械有限公司 | High pressure resistant and safe remaining needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203169724U (en) * | 2013-01-29 | 2013-09-04 | 苏州林华医疗器械有限公司 | Disposable safe indwelling needle |
-
2013
- 2013-01-29 CN CN201310033332.5A patent/CN103071204B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002085558A (en) * | 2000-09-19 | 2002-03-26 | Terumo Corp | Puncture tool and retention needle assembly |
| CN201042538Y (en) * | 2007-05-24 | 2008-04-02 | 吴林元 | Safe lien needle |
| EP2343095A1 (en) * | 2008-10-03 | 2011-07-13 | Nipro Corporation | Needle point protector and indwelling needle assembly |
| CN202078634U (en) * | 2011-05-26 | 2011-12-21 | 张秋 | Safety remaining needle |
| CN202605429U (en) * | 2012-05-08 | 2012-12-19 | 江苏苏云医疗器材有限公司 | Safety indwelling needle |
| CN203060461U (en) * | 2013-01-25 | 2013-07-17 | 苏州林华医疗器械有限公司 | High pressure resistant and safe remaining needle |
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| CN103071204A (en) | 2013-05-01 |
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Address after: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee before: Linhua Medical Appliances Co., Ltd., Suzhou |