CN103071204A - Safety type detaining needle with disposable use - Google Patents
Safety type detaining needle with disposable use Download PDFInfo
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- CN103071204A CN103071204A CN2013100333325A CN201310033332A CN103071204A CN 103071204 A CN103071204 A CN 103071204A CN 2013100333325 A CN2013100333325 A CN 2013100333325A CN 201310033332 A CN201310033332 A CN 201310033332A CN 103071204 A CN103071204 A CN 103071204A
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- needle
- hole
- holder
- catheter block
- disposable use
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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 the 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 misery that infant causes because of venipuncture repeatedly and the fear to 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 are pulling away or clearing up when abandoning remaining needle, is easily stabbed by syringe needle and easily catches, discarded syringe needle exposes and easily cause environmental pollution in environment simultaneously, has serious potential safety hazard.Disclose a kind of safe type retention needle with needle point shield assembly among the Chinese patent CN201481960U, the catch of upspringing of the elastic steel sheet in the 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, in case catch can not be upspring, just can not reach the effect that stops that syringe needle passes again, has lost the function that prevents needle stick injury, has potential safety hazard.
Summary of the invention
Defective in view of above-mentioned prior art exists the objective 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 exposing in environment, prevents cross infection and environmental pollution after the acupuncture.
Purpose of the present invention will be achieved by the following technical programs:
A kind of 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 the 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, be provided with a screening glass in the described protecting seat, described screening glass is provided with the hole of threading a needle near an end of described needle stand, the other end is provided with a catch, and the described catch projection that makes progress forms a buckle; Described catheter block is provided with a bayonet socket that matches with described buckle, and described catheter block is connected on the described protecting seat by described buckle and bayonet socket; The afterbody of one puncture needle passes described catheter block successively; upper through hole; thread a needle hole and lower through-hole is fixedly connected on the 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 greater than the internal diameter of described thread a needle hole or lower through-hole, described deformation point to the distance of the needle point of described puncture needle less than the distance of hole to catch of threading a needle on the described screening glass.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described protecting seat is provided with a location projection, offers a draw-in groove corresponding with described locating convex block on the described catheter block.
Preferably, above-mentioned disposable use safe type retention needle, wherein: described screening glass near an end of described needle stand also be provided with at least one be used for described screening glass inlay card is fixed on barb in the described protecting seat.
Preferably, above-mentioned disposable use safe type retention needle, wherein: also be provided with on the described screening glass at least one be used for prevent 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 the three-port structure that comprises supervisor and be communicated with the arm that arranges in supervisor's one side with supervisor, is provided with a batching pig in the described supervisor, the syringe needle of described puncture needle passes described batching pig, stretches out described catheter block; The syringe needle position of described puncture needle cover has a conduit that can be retained in endovascular softness, also is socketed with a protective sleeve on the 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 the 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 wherein is subject to the downward pressure that bayonet socket gives when extracting; guaranteed that catch can block the syringe needle of puncture needle fully; can effectively prevent the harm such as needle stick injury, disease propagation and environmental pollution; have simultaneously simple in structure; safe and reliable, easily processing and the characteristics such as easy to use.
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of the screening glass of the embodiment of the invention;
Fig. 3 is the front partial schematic diagram of use of the embodiment of the invention;
Fig. 4 is the partial schematic diagram in the use of the embodiment of the invention;
Fig. 5 is the partial schematic diagram after the use of the embodiment of the invention.
The specific embodiment
Embodiment:
A kind of disposable use safe type retention needle of the present embodiment such as Fig. 1～shown in Figure 5, comprises catheter block 1 and needle stand 2, is provided with anti-acupuncture protection assembly between catheter block 1 and the 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 the protecting seat 3, and screening glass 4 is provided with the hole 41 of threading a needle near an end of needle stand 2, the other end is provided with catch 42, and catch 42 upwards projection forms buckle 43; Screening glass 4 is provided with two for the barb 44 that screening glass 4 inlay cards is fixed in the protecting seat 3 near an end of needle stand 2.Also be provided with a plurality of be used to preventing the card thorn 45 of screening glass 4 at protecting seat 3 internal shifts on the screening glass 4.Catheter block 1 is provided with the bayonet socket 11 that matches with buckle 43, and catheter block 1 is connected on the 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 12 corresponding with locating convex block 33 on the catheter block 1, and locating convex block 33 is connected in the draw-in groove 12, works to install the location and prevents loading error.The afterbody of puncture needle 5 passes catheter block 1 successively; upper through hole 31; thread a needle hole 41 and lower through-hole 32 is fixedly connected on the 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 upper through hole 31; and 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 less than the hole 41 of threading a needle on the screening glass 4 to the distance of catch 42, needle point can be in the screening glass 4 fully.
Other structures and the prior art of the present embodiment are similar; catheter block 1 is the three-port structure that comprises supervisor and be communicated with the arm that arranges in supervisor's one side with supervisor; be provided with batching pig 6 in the supervisor; the syringe needle of puncture needle 5 passes 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, also is socketed with protective sleeve 8 on the catheter block 1.Arm is connected with notes infusion connector 10 by long duct 9, and annotating infusion connector 10 is needleless joint or positive pressure connector or other joints.Annotate on the infusion connector 10 and be connected with end cap 101 and calparine cap 102; Long duct 9 is provided with flow-stopping clip 91.
Use the present embodiment, such as Fig. 3～shown in Figure 5, when remaining needle was installed, puncture needle 5 passed in protecting seat 3, with screening glass 4 jack-up that makes progress, so that buckle 43 sticks in the bayonet socket 11 of catheter block 1; When remaining needle uses 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; this moment, the syringe needle of puncture needle 5 partly was fully retracted in the protecting seat 3; continue to extract puncture needle 5; drive protecting seat 3 and screening glass 4 and outwards 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 the protecting seat 3, realize anti-acupuncture purpose.
A kind of disposable use safe type retention needle of the present embodiment has been set up anti-acupuncture protection assembly; screening glass 4 wherein is 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 fully; can effectively prevent the harm such as needle stick injury, disease propagation and environmental pollution; have simultaneously simple in structure; safe and reliable, easily processing and the characteristics 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 all drop within protection scope of the present invention.
Claims (6)
1. a disposable use safe type retention needle comprises a catheter block and a needle stand, it is characterized in that: be provided with an anti-acupuncture protection assembly between described catheter block and the 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, be provided with a screening glass in the described protecting seat, described screening glass is provided with the hole of threading a needle near an end of described needle stand, the other end is provided with a catch, and the described catch projection that makes progress forms a buckle; Described catheter block is provided with a bayonet socket that matches with described buckle, and described catheter block is connected on the described protecting seat by described buckle and bayonet socket; The afterbody of one puncture needle passes described catheter block successively; upper through hole; thread a needle hole and lower through-hole is fixedly connected on the 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 greater than the internal diameter of described thread a needle hole or lower through-hole, described deformation point to the distance of the needle point of described puncture needle less than the distance of hole to catch of threading a needle on the 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 location projection, offers a draw-in groove corresponding with described locating convex block on the described catheter block.
3. disposable use safe type retention needle according to claim 1 is characterized in that: described screening glass near an end of described needle stand also be provided with at least one be used for described screening glass inlay card is fixed on barb in the described protecting seat.
4. disposable use safe type retention needle according to claim 1 is characterized in that: also be provided with on the described screening glass at least one be used for prevent that described screening glass is in the card thorn of described protecting seat internal shift.
5. disposable use safe type retention needle according to claim 1, it is characterized in that: described catheter block is the three-port structure that comprises supervisor and be communicated with the arm that arranges in supervisor's one side with supervisor, be provided with a batching pig in the described supervisor, the syringe needle of described puncture needle passes described batching pig, stretches out described catheter block; The syringe needle position of described puncture needle cover has a conduit that can be retained in endovascular softness, also is socketed with a protective sleeve on the 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 the described notes infusion connector; Described long duct is provided with a flow-stopping clip.
6. disposable use safe type retention needle according to claim 5, it 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 |
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| Publication Number | Publication Date |
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| CN103071204A true CN103071204A (en) | 2013-05-01 |
| CN103071204B CN103071204B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768682A (en) * | 2014-01-27 | 2014-05-07 | 王亚娟 | Safe remaining needle |
| CN105363098A (en) * | 2015-12-18 | 2016-03-02 | 杭州富善医疗器械有限公司 | Anti-acupuncture venous indwelling needle |
| CN105617482A (en) * | 2015-09-28 | 2016-06-01 | 广东龙心医疗器械有限公司 | Disposable indwelling needle capable of preventing needle injury |
| CN107050566A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN107050567A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining 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 |
| CN107929874A (en) * | 2017-12-15 | 2018-04-20 | 湖南平安医械科技有限公司 | Anti- the acupuncture component and safety indwelling needle of safety indwelling needle |
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| JP2002085558A (en) * | 2000-09-19 | 2002-03-26 | Terumo Corp | Puncture tool and retention needle assembly |
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| 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 |
| CN203169724U (en) * | 2013-01-29 | 2013-09-04 | 苏州林华医疗器械有限公司 | Disposable safe indwelling needle |
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- 2013-01-29 CN CN201310033332.5A patent/CN103071204B/en active Active
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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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768682A (en) * | 2014-01-27 | 2014-05-07 | 王亚娟 | Safe remaining needle |
| CN103768682B (en) * | 2014-01-27 | 2016-01-27 | 王亚娟 | Safe type retention needle |
| CN105617482A (en) * | 2015-09-28 | 2016-06-01 | 广东龙心医疗器械有限公司 | Disposable indwelling needle capable of preventing needle injury |
| 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 |
| CN105363098A (en) * | 2015-12-18 | 2016-03-02 | 杭州富善医疗器械有限公司 | Anti-acupuncture venous indwelling 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 |
| CN107050566A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining needle |
| CN107050567A (en) * | 2017-04-28 | 2017-08-18 | 广东龙心医疗器械有限公司 | Anti- acupuncture remaining 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 |
| CN107929874A (en) * | 2017-12-15 | 2018-04-20 | 湖南平安医械科技有限公司 | Anti- the acupuncture component and safety indwelling needle of safety indwelling 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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| CN103071204B (en) | 2014-02-26 |
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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 |