CN104117117B - Safety protection device for injection needle - Google Patents
Safety protection device for injection needle Download PDFInfo
- Publication number
- CN104117117B CN104117117B CN201410381297.0A CN201410381297A CN104117117B CN 104117117 B CN104117117 B CN 104117117B CN 201410381297 A CN201410381297 A CN 201410381297A CN 104117117 B CN104117117 B CN 104117117B
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- sheath
- needle
- elastic portion
- needle stand
- injection 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 is and in particular to a kind of safety guard of injection needle.
Background technology
Data according to the relevent statistics, China is injection, transfusion, take a blood sample country the most universal.Hospital and each medical institutions are every
Used injection needle goes out of use Nian Douyou in a large number.In order to avoid environmental pollution and the secondary utilization of waste, need by professional institution
Used injection needle is recycled.In order to prevent unexpected injury or superinfection in removal process from, to related personnel, defending
Raw department needs that a kind of structure is simple badly, safe and reliable needle protecting arrangement.At present, it has been proposed that using rear pin using a kind of
The syringe that can retract in medicinal liquid cavity body of head, but such syringe construction is complicated, relatively costly it is difficult to spread is answered
With.
Patent 201310213076.8 discloses a kind of safety protective cover, and this protective case is used for receiving syringe needle, by connecting seat
Open protective case with side to constitute, protective case is opened in side and connecting seat is connected by way of hinged, set up straight in connecting seat and accommodating cavity
It is provided with snap device between the relative side wall of vertical inverse tying plate, connecting seat and needle tubing accommodating cavity and connecting seat.This safeguard protection
Set serves certain safeguard protection effect, and its shortcoming is that hinged mode is not easy to position, and medical worker is carrying out trocar behaviour
When making, usually produce secondary operation because positioning is inaccurate, and easily prick the hand, the structure of inverse tying plate fixed needle built on the sand, pin
Head easily slips from the sidepiece of inverse tying plate, and the draw-in groove of this patent is arranged on connecting seat, and grab is arranged on side and opens the interior of protective case
On wall, such structure setting easily slips, built on the sand.
Patent 201110270127.1 discloses a kind of needle guard mechanisms and safety needle assembly, and structure is extremely complex, no
Easily prepare, between its sheath and connecting seat be also with hinged mode, arrange two holding sections carry out syringe needle positioning solid
Fixed, this structure, when operating personnel operate, is also not easy to position, causes the low problem of operating efficiency.
Content of the invention
It is an object of the invention to provide a kind of safety guard of injection needle, solve the protection of current safety needle
The connecting seat of device and side are opened protective case and are difficult to position, and connect insecure between buckle, hold eely problem.
A kind of safety guard of injection needle, including sheath 1 and needle stand 2, needle stand 2 is connected to the rear end of sheath 1, sheath
1 one end open, on described sheath 1 aft bulkhead or wall bottom arranges a pair of snap fit 3, and described needle stand 2 and sheath 1 junction arrange one
Elastic positioning device 5 with limit function.
Described elastic positioning device 5 structure with limit function is：Two ends setting the first elastic portion 511 He of location division 51
Second elastic portion 512 is connected with one end of sheath 1 and one end of needle stand 2 respectively, the both sides needle stand of location division 51 2 and sheath 1
Junction is respectively equipped with the 3rd elastic portion 52 and the 4th elastic portion 53.
Described location division 51 is that two pieces of rectangular slabs 54 one in 35-90 degree angle synthesizes, the edge of rectangular slab 54 be provided with by
Decrescence thin transition part 55, extends to the first elastic portion 511 or the second elastic portion 512.
The end of described sheath 1 is provided with two panels revetment 6.
The anterior setting one of described sheath 1 meets the hand-held calabash shaped depression 7 of ergonomics, described calabash shaped depression 7
It is arranged at the top of described sheath 1.
On the side wall of described sheath 1 front portion, inside barbed protuberances 8 are set.
The bottom of described sheath 1 is provided with 1-3 square opening 9.
The section of described sheath 1 takes the shape of the letter U.
The buckle 4 of a pair of engaging is oppositely arranged on needle stand 2 and sheath 1, described buckle 4 is by Kato 41, card convex 42 and flange
43 compositions, Kato 41 is fastened on the bottom of card convex 42, and Kato 41 is provided with flange 43.
Beneficial effects of the present invention：Assembly of the invention will be stuck to sheath and needle stand by buckle, meanwhile, injection needle
Fin is stuck under snap fit, even if buckle and sheath loosen, also can be by needle locking in sheath chamber, and the setting in flexibly positioned portion
Medical worker's screens when being operated can be helped, after needle body slips into sheath, injection needle fin is positioned flexibly positioned dress
In the back cavity put, it can prevent needle body from easily falling off sheath, further ensures safety, so that medical worker is being faced
Process and improve operating efficiency when discarding syringe needle on a large scale, revetment is arranged on the outside of buckle, can be as stop when discarded
Conveniently it is snapped into position it is also possible to protection buckle prevents it from loosening because of external force, needle tubing can firmly be compressed restriction by barbed protuberances
In safety shield, this spacing equally play further safety effect.
Brief description
Fig. 1 is the protection device side view of embodiment 1 single use safety needle；
Fig. 2 is the protection device side view of embodiment 2 single use safety needle；
Fig. 3 is the protection device top view of single 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 the latch hook on snap fit fastens schematic diagram with lockhole on fin；
Figure 10 is that the latch hook on snap fit fastens schematic diagram with lockhole on fin；
In figure, 1- sheath, 2- needle stand, 3- snap fit, 4- buckle, 41- Kato, 42- card convex, 43- flange, the flexibly positioned dress of 5-
Put, 51- location division, 511- first elastic portion, 512- second elastic portion, 52- the 3rd elastic portion, 53- the 4th elastic portion, 54- square
Shape plate, 55 transition parts, -6- revetment, 7- calabash shaped is recessed, 8- barbed protuberances, 9- square opening, 10- fin, 11- latch hook, 12-
Lockhole.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of safety guard of injection needle, as shown in figures 1 and 3, including sheath 1 and needle stand 2, needle stand 2 is connected to
The rear end of sheath 1, the one end open of sheath 1, described sheath 1 aft bulkhead arranges a pair of snap fit 3 (as shown in Figure 5), described pin
Seat 2 arranges an elastic positioning device 5 with limit function with sheath 1 junction.
As shown in figure 5, snap fit 3 can be arranged directly on the relative two side of sheath 1, the fin 10 of base of syringe needle
It is pressed into the bottom of snap fit 3 by the way of finger pressure, the extended length of two panels fin 10 is more than the outward flange border of snap fit 3 relatively
Place, it is sufficient to be blocked, prevents it from moving upwards, the fin of injection needle be sandwiched in the needle stand that anterior sheath folded with rear portion it
Between；During use, original for syringe needle sheath is pulled out and completes injection task；After complete, by needle stand, syringe needle is pushed in sheath,
Needle stand and sheath are locked by common buckle, and needle tubing is positioned in sheath chamber, are then fed into reclaiming link, are so reclaiming
Cheng Zhongke avoids being stabbed, it is to avoid 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 structure with limit function is：The two ends setting first of location division 51
Elastic portion 511 is connected with one end of sheath 1 and one end of needle stand 2 respectively with the second elastic portion 512, the both sides needle stand of location division 51
2 are respectively equipped with the 3rd elastic portion 52 and the 4th elastic portion 53 with the junction of sheath 1.
Described location division 51 is that two pieces of rectangular slabs 54 one in 35-90 degree angle synthesizes, the edge of rectangular slab 54 be provided with by
Decrescence thin transition part 55, extends to the first elastic portion 511 or the second elastic portion 512.
The setting in flexibly positioned portion can help medical worker's screens when being operated, after needle body slips into sheath, note
Penetrate pin fin to be positioned in the back cavity of elastic positioning device, it can prevent needle body from easily falling off sheath, further ensures
Safety, also makes medical worker improve operating efficiency when facing and processing and discard syringe needle on a large scale, revetment is arranged on the outer of buckle
Side, conveniently can be snapped into position as stop it is also possible to protection buckle prevents it from loosening because of external force when discarded,
The end of described sheath 1 is provided with two panels revetment 6.Two panels revetment is separately positioned on the outside of two buckles；Described shield
Wall conveniently can be snapped into position as stop when discarded it is also possible to protection buckle prevent its because external force loosen, from lead to by
The syringe needle of pollution surprisingly comes off.
The anterior setting one of described sheath 1 meets the hand-held calabash shaped depression 7 of ergonomics, described calabash shaped depression 7
It is arranged at the top of described sheath 1.It is hand-held that the effect of calabash shaped depression is easy for medical worker, prevents during operation sheath from hand
Landing.
On the side wall of described sheath 1 front portion, inside barbed protuberances 8 are set.Needle tubing can firmly be compressed limit by this projection
Make in safety shield, this spacing equally play further safety effect.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening is in order that not taking in discarded sheath
Liquid waste, environmental protection.The section of described sheath 1 takes the shape of the letter U.Pin can be stuck in its inner chamber for the sheath of U-shaped, and saves
The use of material, cost-effective.
Embodiment 2
A kind of safety guard of injection needle, as shown in Figures 2 and 3, including sheath 1 and needle stand 2, needle stand 2 is connected to shield
The rear end of set 1, the one end open of sheath 1, on described sheath 1 aft bulkhead or wall bottom arranges a pair of snap fit 3 (as shown in Figure 6), pin
The buckle 4 of a pair of engaging is oppositely arranged on seat 2 and sheath 1, described needle stand 2 and the setting one of sheath 1 junction are with limit function
Elastic positioning device 5.
As shown in fig. 6, snap fit 3 is arranged on the diapire of sheath 1, the fin 10 of base of syringe needle is by the way of finger pressure
The bottom of press-in snap fit 3, the relatively extended length of two panels fin 10 are more than the outward flange boundary of snap fit 3 it is sufficient to be blocked,
Prevent it from moving upwards, the fin of injection needle is sandwiched between the needle stand that anterior sheath and rear portion fold；During use, syringe needle is former
There is sheath to pull out and complete injection task；After complete, by needle stand, syringe needle is pushed in sheath, needle stand and sheath pass through common
Buckle locked, needle tubing is positioned in sheath chamber, be then fed into reclaim link, can avoid being stabbed so in removal process,
Avoid infection.
As shown in figure 4, described elastic positioning device 5 structure with limit function is：The two ends setting first of location division 51
Elastic portion 511 is connected with one end of sheath 1 and one end of needle stand 2 respectively with the second elastic portion 512, the both sides needle stand of location division 51
2 are respectively equipped with the 3rd elastic portion 52 and the 4th elastic portion 53 with the junction of sheath 1.
Described location division 51 is that two pieces of rectangular slabs 54 one in 35-90 degree angle synthesizes, the edge of rectangular slab 54 be provided with by
Decrescence thin transition part 55, extends to the first elastic portion 511 or the second elastic portion 512.
The setting in flexibly positioned portion can help medical worker's screens when being operated, after needle body slips into sheath, note
Penetrate pin fin to be positioned in the back cavity of elastic positioning device, it can prevent needle body from easily falling off sheath, further ensures
Safety, also makes medical worker improve operating efficiency when facing and processing and discard syringe needle on a large scale, revetment is arranged on the outer of buckle
Side, conveniently can be snapped into position as stop it is also possible to protection buckle prevents it from loosening because of external force when discarded,
The end of described sheath 1 is provided with two panels revetment 6.Two panels revetment is separately positioned on the outside of two buckles；Described shield
Wall conveniently can be snapped into position as stop when discarded it is also possible to protection buckle prevent its because external force loosen, from lead to by
The syringe needle of pollution surprisingly comes off.
The anterior setting one of described sheath 1 meets the hand-held calabash shaped depression 7 of ergonomics, described calabash shaped depression 7
It is arranged at the top of described sheath 1.It is hand-held that the effect of calabash shaped depression is easy for medical worker, prevents during operation sheath from hand
Landing.
On the side wall of described sheath 1 front portion, inside barbed protuberances 8 are set.Needle tubing can firmly be compressed limit by this projection
Make in safety shield, this spacing equally play further safety effect.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening is in order that not taking in discarded sheath
Liquid waste, environmental protection.The section of described sheath 1 takes the shape of the letter U.Pin can be stuck in its inner chamber for the sheath of U-shaped, and saves
The use of material, cost-effective.
As shown in fig. 7, buckle 4 is by Kato 41, card convex 42 and flange 43 form, and Kato 41 is fastened on the bottom of card convex 42,
Kato 41 is provided with flange 43.The cross section of card convex 42 is triangular in shape, on the one hand can be with material-saving, and two one side can be at it
Card convex produces larger lateral resistance near the base portion of jacket wall, and engaging is more firm；Flange is arranged on Kato, on the one hand permissible
Reinforce Kato, on the other hand, the transverse shifting of card convex can be stoped so that engaging is more firm.
Embodiment 3
Improve on the basis of embodiment 1 or embodiment 2 structure, as seen in figs. 8-10, described snap fit 3 bottom is provided with portion
Part latch hook 11, fin 10 is provided with corresponding lockhole 12, once needle stand fin 10 push enter protective case in snap fit 3 bottom it
Afterwards, latch hook 11 and lockhole 12 are fitted close, and prevent from further loosening because of external force.
Claims (5)
1. a kind of safety guard of injection needle, including sheath (1) and needle stand (2), after needle stand (2) is connected to sheath (1)
It is characterised in that the one end open of sheath (1), on described sheath (1) aft bulkhead or wall bottom arranges a pair of snap fit (3), described at end
Needle stand (2) arranges an elastic positioning device with limit function (5) with sheath (1) junction；
The described elastic positioning device with limit function (5) structure is：The two ends of location division (51) arrange the first elastic portion (511)
It is connected with one end of sheath (1) and one end of needle stand (2) respectively with the second elastic portion (512), the both sides needle stand of location division (51)
(2) it is respectively equipped with the 3rd elastic portion (52) and the 4th elastic portion (53) with the junction of sheath (1)；
Described location division (51) is that two pieces of rectangular slab (54) one in 35-90 degree angle synthesize, and the edge of rectangular slab (54) is provided with
Gradually thinning transition part (55), extend to the first elastic portion (511) or the second elastic portion (512)；
The anterior setting one of described sheath (1) meets hand-held calabash shaped depression (7) of ergonomics, described calabash shaped depression
(7) it is arranged at the top of described sheath (1)；
The buckle (4) of a pair of engaging is oppositely arranged on described needle stand (2) and sheath (1), described buckle (4), by Kato (41), is blocked
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)；
Described snap fit (3) bottom is provided with part latch hook (11), and fin (10) is provided with corresponding lockhole (12).
2. according to claim 1 a kind of safety guard of injection needle it is characterised in that the end of described sheath (1)
It is provided with two panels revetment (6).
3. according to claim 1 a kind of safety guard of injection needle it is characterised in that described sheath (1) is anterior
Inside barbed protuberances (8) are arranged on the wall of side.
4. according to claim 1 a kind of safety guard of injection needle it is characterised in that the bottom of described sheath (1)
It is provided with 1-3 square opening (9).
5. according to claim 1 injection needle safety guard it is characterised in that described sheath (1) section be in U
Shape.
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 CN104117117A (en) | 2014-10-29 |
| CN104117117B true CN104117117B (en) | 2017-02-08 |
Family
ID=51762892
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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106031806B (en) * | 2015-03-09 | 2020-12-08 | 河南曙光健士医疗器械集团股份有限公司 | Safety protection cover structure for needle head |
| CN106730172B (en) * | 2016-11-11 | 2023-05-23 | 贝普医疗科技股份有限公司 | Safety injection needle |
| CN112891683A (en) * | 2020-12-11 | 2021-06-04 | 张亚平 | Safety syringe needle |
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 |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104117117A (en) | 2014-10-29 |
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