CN104117117A - Safety protection device for injection needle - Google Patents
Safety protection device for injection needle Download PDFInfo
- Publication number
- CN104117117A CN104117117A CN201410381297.0A CN201410381297A CN104117117A CN 104117117 A CN104117117 A CN 104117117A CN 201410381297 A CN201410381297 A CN 201410381297A CN 104117117 A CN104117117 A CN 104117117A
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- sheath
- elastic
- needle
- safety guard
- entry needle
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Abstract
The invention discloses a safety protection device for an injection needle, and belongs to the technical field of medical instruments. One end of a sheath of the device is opened, a pair of clamping hooks is arranged on the rear end wall or the wall bottom of the sheath, a pair of buckled buckles is oppositely arranged on a needle base and the sheath, and an elastic positioning device with the limiting function is arranged at the connection position of the needle base and the sheath. The elastic positioning device is arranged and can assist a medical worker in clamping in the operation process, safety is ensured further, and when the medical worker handles abandoned syringe needles on a large scale, the operation efficiency is improved; a protection wall is arranged outside the buckles, the buckles can move in place conveniently due to the protection wall serving as a limiter when the syringe needles are abandoned, the buckles can be protected and prevented from loosening due to external force, barb-shaped protrusions can firmly compress and limit needle tubings in the safe sheath, and the limiting similarly has the further safety function.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of safety guard of entry needle.
Background technology
Data according to the relevent statistics, China is injection, transfusion, the most general country of blood sampling.Hospital and each medical institutions have a large amount of used entry needles to go out of use every year.Utilize for fear of environmental pollution and refuse secondary, need to used entry needle be recycled by professional institution.In order to prevent that in removal process unexpected injury or superinfection are to related personnel, hygiene department needs a kind of needle protecting arrangement simple in structure, safe and reliable badly.At present, people advise using a kind of syringe that uses rear syringe needle can retract in medicinal liquid cavity, but this type of syringe construction complexity, and cost is higher, is difficult to large scale application.
Patent 201310213076.8 discloses a kind of safety protective cover; this protective sleeve is used for receiving syringe needle; opening protective sleeve by Connection Block and side forms; side is opened protective sleeve and is connected by hinged mode with Connection Block; in Connection Block and containing cavity, set up upright inverse tying plate, between the sidewall that Connection Block and needle tubing containing cavity are relative and Connection Block, be provided with snap device.This safety protective cover has played certain safeguard protection effect; its shortcoming is, hinged mode is not easy location, and medical worker is in the time carrying out trocar operation; usually produce secondary operation because location is inaccurate; and easily prick the hand, built on the sand, syringe needle is easily from the sidepiece slippage of inverse tying plate for the structure of inverse tying plate fixed needle; the draw-in groove of this patent is arranged on Connection Block; grab is arranged on side and opens on the inwall of protective sleeve, and such structure arranges easy slippage, built on the sand.
Patent 201110270127.1 discloses a kind of needle guard mechanisms and safety needle assembly; structure is very complicated; be not easy preparation; between its sheath and Connection Block, be also in the mode with hinged; the location of carrying out syringe needle in two holding sections is set to be fixed; this structure, in the time that operator operate, is also not easy location, causes the low problem of operating efficiency.
Summary of the invention
The object of the present invention is to provide a kind of safety guard of entry needle, solve the Connection Block of protector of current safety needle and side and open protective sleeve and be difficult to location, between buckle, connect insecurely, hold eely problem.
A kind of safety guard of entry needle; comprise sheath 1 and needle stand 2, needle stand 2 is connected in the rear end of sheath 1, an end opening of sheath 1; on described sheath 1 aft bulkhead or a pair of snap fit 3 is set at the bottom of wall, described needle stand 2 and sheath 1 junction arrange an elastic positioning device 5 with limit function.
Described elastic positioning device 5 structures with limit function are: the two ends of location division 51 arrange the first elastic 511 and are connected with one end of needle stand 2 with one end of sheath 1 respectively with the second elastic 512, and the both sides needle stand 2 of location division 51 is respectively equipped with the 3rd elastic 52 and the 4th elastic 53 with the junction of sheath 1.
Synthesize for two rectangular slab 54 one that are 35-90 degree angle described location division 51, and the edge of rectangular slab 54 is provided with the transition part 55 of attenuate gradually, extends to the first elastic 511 or the second elastic 512.
The end of described sheath 1 is provided with two revetments 6.
The front portion of described sheath 1 arranges one and meets the hand-held calabash shaped depression 7 of human engineering, and described calabash shaped depression 7 is arranged at the top of described sheath 1.
On the sidewall of described sheath 1 front portion, inside barbed protuberances 8 is set.
The bottom of described sheath 1 is provided with 1-3 square opening 9.
The cross section of described sheath 1 takes the shape of the letter U.
On needle stand 2 and sheath 1, be oppositely arranged the buckle 4 of a pair of engaging, described buckle 4 is by Kato 41, and card convex 42 and flange 43 form, and Kato 41 is fastened on the bottom of card convex 42, and Kato 41 is provided with flange 43.
Beneficial effect of the present invention: device of the present invention by buckle by stuck to sheath and needle stand, simultaneously, the fin of entry needle is stuck under snap fit, even if buckle and sheath are loosening, also can be by needle locking at sheath intracavity, arranging of elasticity location division can help medical worker's screens in the time operating, when needle body slips into after sheath, entry needle fin is positioned in the back cavity of elastic positioning device, it can prevent that needle body from departing from sheath easily, further ensure safety, also make medical worker in the time facing the extensive discarded syringe needle of processing, improve operating efficiency, revetment is arranged on the outside of buckle, can when discarded, buckle into position as stop convenient card, also can protect buckle prevent its because of external force loosening, barbed protuberances can be compressed needle tubing firmly and be limited in safety shield, this spacing further safety effect that plays equally.
Brief description of the drawings
Fig. 1 is the protector side view of the disposable use safety needle of embodiment 1;
Fig. 2 is the protector side view of the disposable use safety needle of embodiment 2;
Fig. 3 is the protector top view of the disposable use safety needle of the present invention;
Fig. 4 is elastic positioning device structural representation;
Fig. 5 is the position view being hooked on sheath;
Fig. 6 is the another location schematic diagram being hooked on sheath;
Fig. 7 is buckle structure schematic diagram;
Fig. 8 is the engagement mechanism schematic diagram on fin;
Fig. 9 is that on latch hook on snap fit and fin, lockhole fastens schematic diagram;
Figure 10 is that on latch hook on snap fit and fin, lockhole fastens schematic diagram;
In figure, 1-sheath, 2-needle stand, 3-snap fit, 4-buckle, 41-Kato, 42-card convex, 43-flange, 5-elastic positioning device, 51-location division, 511-the first elastic, 512-the second elastic, 52-the 3rd elastic, 53-the 4th elastic, 54-rectangular slab, 55 transition parts,-6-revetment, 7-calabash shaped depression, 8-barbed protuberances, 9-square opening, 10-fin, 11-latch hook, 12-lockhole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
A kind of safety guard of entry needle; as shown in figures 1 and 3; comprise sheath 1 and needle stand 2; needle stand 2 is connected in the rear end of sheath 1; one end opening of sheath 1; on described sheath 1 aft bulkhead, a pair of snap fit 3 (as shown in Figure 5) is set, described needle stand 2 and sheath 1 junction arrange an elastic positioning device 5 with limit function.
As shown in Figure 5, snap fit 3 can be set directly on the relative two side of sheath 1, the fin 10 of base of syringe needle adopts the mode of finger pressure to be pressed into the bottom of snap fit 3, the extended length of relative two fins 10 is greater than the outward flange boundary of snap fit 3, be enough to be blocked, prevent that it from moving upward, the fin of entry needle is sandwiched between the folding needle stand of anterior sheath and rear portion; When use, original syringe needle sheath is pulled out and completes injection task; After using, by needle stand, syringe needle is pushed in sheath, needle stand and sheath are locked by common buckle, and needle tubing is positioned sheath intracavity, then sends into recovery link, can avoid like this being stabbed in removal process, has avoided infection.Described snap fit 3 has two kinds of structures, monolithic type or 2 types.
As shown in Figure 4, described elastic positioning device 5 structures with limit function are: the two ends of location division 51 arrange the first elastic 511 and are connected with one end of needle stand 2 with one end of sheath 1 respectively with the second elastic 512, and the both sides needle stand 2 of location division 51 is respectively equipped with the 3rd elastic 52 and the 4th elastic 53 with the junction of sheath 1.
Synthesize for two rectangular slab 54 one that are 35-90 degree angle described location division 51, and the edge of rectangular slab 54 is provided with the transition part 55 of attenuate gradually, extends to the first elastic 511 or the second elastic 512.
Arranging of elasticity location division can help medical worker's screens in the time operating; when needle body slips into after sheath; entry needle fin is positioned in the back cavity of elastic positioning device; it can prevent that needle body from departing from sheath easily, has further ensured safety, also makes medical worker in the time facing the extensive discarded syringe needle of processing, improve operating efficiency; revetment is arranged on the outside of buckle; can when discarded, buckle into position as stop convenient card, also can protect buckle prevent its because of external force loosening
The end of described sheath 1 is provided with two revetments 6.Two revetments are separately positioned on the outside of two buckles; Described revetment can buckle into position as stop convenient card when discarded, also can protect buckle prevent its because of external force loosening, from causing contaminated syringe needle accidental.
The front portion of described sheath 1 arranges one and meets the hand-held calabash shaped depression 7 of human engineering, and described calabash shaped depression 7 is arranged at the top of described sheath 1.The effect of calabash shaped depression is that to be convenient to medical worker hand-held, sheath landing from hands while preventing from operating.
On the sidewall of described sheath 1 front portion, inside barbed protuberances 8 is set.This projection can be compressed needle tubing firmly and be limited in safety shield, this spacing further safety effect that plays equally.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening is in discarded sheath, not take liquid waste, protection of the environment in order to make.The cross section of described sheath 1 takes the shape of the letter U.The sheath of U-shaped can be stuck in pin in its inner chamber, and saves the use of material, cost-saving.
Embodiment 2
A kind of safety guard of entry needle; as shown in Figures 2 and 3; comprise sheath 1 and needle stand 2; needle stand 2 is connected in the rear end of sheath 1; one end opening of sheath 1; on described sheath 1 aft bulkhead or a pair of snap fit 3 (as shown in Figure 6) is set at the bottom of wall, be oppositely arranged the buckle 4 of a pair of engaging on needle stand 2 and sheath 1, described needle stand 2 and sheath 1 junction arrange an elastic positioning device 5 with limit function.
As shown in Figure 6, snap fit 3 is arranged on the diapire of sheath 1, the fin 10 of base of syringe needle adopts the mode of finger pressure to be pressed into the bottom of snap fit 3, the extended length of relative two fins 10 is greater than the outward flange boundary of snap fit 3, be enough to be blocked, prevent that it from moving upward, the fin of entry needle is sandwiched between the folding needle stand of anterior sheath and rear portion; When use, original syringe needle sheath is pulled out and completes injection task; After using, by needle stand, syringe needle is pushed in sheath, needle stand and sheath are locked by common buckle, and needle tubing is positioned sheath intracavity, then sends into recovery link, can avoid like this being stabbed in removal process, has avoided infection.
As shown in Figure 4, described elastic positioning device 5 structures with limit function are: the two ends of location division 51 arrange the first elastic 511 and are connected with one end of needle stand 2 with one end of sheath 1 respectively with the second elastic 512, and the both sides needle stand 2 of location division 51 is respectively equipped with the 3rd elastic 52 and the 4th elastic 53 with the junction of sheath 1.
Synthesize for two rectangular slab 54 one that are 35-90 degree angle described location division 51, and the edge of rectangular slab 54 is provided with the transition part 55 of attenuate gradually, extends to the first elastic 511 or the second elastic 512.
Arranging of elasticity location division can help medical worker's screens in the time operating; when needle body slips into after sheath; entry needle fin is positioned in the back cavity of elastic positioning device; it can prevent that needle body from departing from sheath easily, has further ensured safety, also makes medical worker in the time facing the extensive discarded syringe needle of processing, improve operating efficiency; revetment is arranged on the outside of buckle; can when discarded, buckle into position as stop convenient card, also can protect buckle prevent its because of external force loosening
The end of described sheath 1 is provided with two revetments 6.Two revetments are separately positioned on the outside of two buckles; Described revetment can buckle into position as stop convenient card when discarded, also can protect buckle prevent its because of external force loosening, from causing contaminated syringe needle accidental.
The front portion of described sheath 1 arranges one and meets the hand-held calabash shaped depression 7 of human engineering, and described calabash shaped depression 7 is arranged at the top of described sheath 1.The effect of calabash shaped depression is that to be convenient to medical worker hand-held, sheath landing from hands while preventing from operating.
On the sidewall of described sheath 1 front portion, inside barbed protuberances 8 is set.This projection can be compressed needle tubing firmly and be limited in safety shield, this spacing further safety effect that plays equally.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening is in discarded sheath, not take liquid waste, protection of the environment in order to make.The cross section of described sheath 1 takes the shape of the letter U.The sheath of U-shaped can be stuck in pin in its inner chamber, and saves the use of material, cost-saving.
As shown in Figure 7, buckle 4 is by Kato 41, and card convex 42 and flange 43 form, and Kato 41 is fastened on the bottom of card convex 42, and Kato 41 is provided with flange 43.The cross section of card convex 42 is triangular in shape, can save material on the one hand, and two can produce larger lateral resistance near the base portion of jacket wall in its card convex on the one hand, engage more firm; Flange is set on Kato, can reinforces Kato on the one hand, on the other hand, can stop the transverse shifting of card convex, make engaging more firm.
Embodiment 3
On the basis of embodiment 1 or embodiment 2 structures, improve; as shown in Fig. 8-10; described snap fit 3 bottoms are provided with parts latch hook 11; fin 10 is provided with corresponding lockhole 12; after once needle stand fin 10 presses down snap fit 3 bottoms that enter in protective sleeve; latch hook 11 and lockhole 12 closely cooperate, and further prevent from becoming flexible because of external force.
Claims (9)
1. the safety guard of an entry needle; comprise sheath (1) and needle stand (2); needle stand (2) is connected in the rear end of sheath (1); it is characterized in that; one end opening of sheath (1); on described sheath (1) aft bulkhead or a pair of snap fit (3) is set at the bottom of wall, described needle stand (2) and sheath (1) junction arrange an elastic positioning device (5) with limit function.
2. a kind of safety guard of entry needle according to claim 1; it is characterized in that; described elastic positioning device (5) structure with limit function is: the two ends of location division (51) arrange the first elastic (511) and are connected with one end of needle stand (2) with one end of sheath (1) respectively with the second elastic (512), and the both sides needle stand (2) of location division (51) is respectively equipped with the 3rd elastic (52) and the 4th elastic (53) with the junction of sheath (1).
3. a kind of safety guard of entry needle according to claim 2; it is characterized in that; described location division (51) is that two rectangular slabs (54) one that is 35-90 degree angle is synthesized; the edge of rectangular slab (54) is provided with the transition part of attenuate (55) gradually, extends to the first elastic (511) or the second elastic (512).
4. a kind of safety guard of entry needle according to claim 1, is characterized in that, the end of described sheath (1) is provided with two revetments (6).
5. a kind of safety guard of entry needle according to claim 1; it is characterized in that; the front portion of described sheath (1) arranges one and meets the hand-held calabash shaped depression (7) of human engineering, and described calabash shaped depression (7) is arranged at the top of described sheath (1).
6. a kind of safety guard of entry needle according to claim 1, is characterized in that, on the anterior sidewall of described sheath (1), inside barbed protuberances (8) is set.
7. a kind of safety guard of entry needle according to claim 1, is characterized in that, the bottom of described sheath (1) is provided with 1-3 square opening (9).
8. the safety guard of entry needle according to claim 1, is characterized in that, the cross section of described sheath (1) takes the shape of the letter U.
9. a kind of safety guard of entry needle according to claim 1; it is characterized in that; on described needle stand (2) and sheath (1), be oppositely arranged the buckle (4) of a pair of engaging; described buckle (4) is by Kato (41); card convex (42) and flange (43) composition; Kato (41) is fastened on the bottom of card convex (42), and Kato (41) is provided with flange (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381297.0A CN104117117B (en) | 2014-08-06 | 2014-08-06 | Safety protection device for injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381297.0A CN104117117B (en) | 2014-08-06 | 2014-08-06 | Safety protection device for injection needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104117117A true CN104117117A (en) | 2014-10-29 |
| CN104117117B CN104117117B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410381297.0A Active CN104117117B (en) | 2014-08-06 | 2014-08-06 | Safety protection device for injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104117117B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106031806A (en) * | 2015-03-09 | 2016-10-19 | 河南曙光健士医疗器械集团股份有限公司 | A syringe needle safety protection cover structure |
| CN106730172A (en) * | 2016-11-11 | 2017-05-31 | 贝普医疗科技有限公司 | A kind of safe injection needle |
| WO2022121091A1 (en) * | 2020-12-11 | 2022-06-16 | 张亚平 | Safety hypodermic needle |
Citations (8)
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|---|---|---|---|---|
| CN2247031Y (en) * | 1996-03-07 | 1997-02-12 | 许汉忠 | Snap type pricking protective cover for needle tip |
| US7300421B1 (en) * | 2002-11-26 | 2007-11-27 | Suzanne L. Lowry | Safety syringe and safety syringe adapter |
| EP2047879A1 (en) * | 2007-10-11 | 2009-04-15 | Rexam Pharma La Verpillière | Safety assembly for an injection syringe |
| CN201244280Y (en) * | 2008-08-28 | 2009-05-27 | 江西三鑫医疗器械集团有限公司 | Safety retaining needle |
| CN203315463U (en) * | 2012-10-30 | 2013-12-04 | 张林锋 | Safety injection needle |
| CN203389160U (en) * | 2013-07-25 | 2014-01-15 | 江苏康宝医疗器械有限公司 | Safety intravenous needle sheath |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| CN204033944U (en) * | 2014-08-06 | 2014-12-24 | 江苏康宝医疗器械有限公司 | The safety guard of entry needle |
-
2014
- 2014-08-06 CN CN201410381297.0A patent/CN104117117B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247031Y (en) * | 1996-03-07 | 1997-02-12 | 许汉忠 | Snap type pricking protective cover for needle tip |
| US7300421B1 (en) * | 2002-11-26 | 2007-11-27 | Suzanne L. Lowry | Safety syringe and safety syringe adapter |
| EP2047879A1 (en) * | 2007-10-11 | 2009-04-15 | Rexam Pharma La Verpillière | Safety assembly for an injection syringe |
| CN201244280Y (en) * | 2008-08-28 | 2009-05-27 | 江西三鑫医疗器械集团有限公司 | Safety retaining needle |
| CN203315463U (en) * | 2012-10-30 | 2013-12-04 | 张林锋 | Safety injection needle |
| CN203389160U (en) * | 2013-07-25 | 2014-01-15 | 江苏康宝医疗器械有限公司 | Safety intravenous needle sheath |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| CN204033944U (en) * | 2014-08-06 | 2014-12-24 | 江苏康宝医疗器械有限公司 | The safety guard of entry needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106031806A (en) * | 2015-03-09 | 2016-10-19 | 河南曙光健士医疗器械集团股份有限公司 | A syringe needle safety protection cover structure |
| CN106730172A (en) * | 2016-11-11 | 2017-05-31 | 贝普医疗科技有限公司 | A kind of safe injection needle |
| WO2022121091A1 (en) * | 2020-12-11 | 2022-06-16 | 张亚平 | Safety hypodermic needle |
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| Publication number | Publication date |
|---|---|
| CN104117117B (en) | 2017-02-08 |
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