CN204033944U - The safety guard of entry needle - Google Patents
The safety guard of entry needle Download PDFInfo
- Publication number
- CN204033944U CN204033944U CN201420438073.4U CN201420438073U CN204033944U CN 204033944 U CN204033944 U CN 204033944U CN 201420438073 U CN201420438073 U CN 201420438073U CN 204033944 U CN204033944 U CN 204033944U
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- sheath
- elastic
- safety guard
- needle
- entry needle
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Abstract
The utility model discloses the safety guard of a kind of entry needle belonging to technical field of medical instruments.The one end open of this device sheath, on described guard trailing end wall or arrange a pair snap fit at the bottom of wall, needle stand and sheath are oppositely arranged the buckle of a pair engaging, described needle stand and sheath junction arrange the elastic positioning device of a band limit function.The arranging of elasticity location division of this utility model device can help medical worker's screens when operating; further ensure safety; also medical worker is made to improve operating efficiency when facing process and discarding syringe needle on a large scale; revetment is arranged on the outside of buckle; position can be buckled into as stop convenient card when discarded; also can protect buckle prevent its because of external force loosen; needle tubing can compress and be limited in safety shield by barbed protuberances firmly, thisly spacingly plays further safety effect equally.
Description
Technical field
This utility model belongs to technical field of medical instruments, is 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 needle to go out of use every year.In order to avoid environmental pollution and refuse secondary utilize, need by professional institution, used entry needle to be recycled.In order to prevent in removal process, unexpected injury or superinfection are to related personnel, and it is simple that hygiene department needs a kind of structure badly, safe and reliable needle protecting arrangement.At present, people advise using a kind of syringe using rear syringe needle can retract in medicinal liquid cavity, but this type of syringe construction is complicated, and cost is higher, is difficult to large scale application.
Patent 201310213076.8 discloses a kind of safety protective cover; this protective sleeve is for receiving syringe needle; open protective sleeve by Connection Block and side to form; side is opened protective sleeve and is connected by hinged mode with Connection Block; upright inverse tying plate is set up, Connection Block and be provided with snap device between the relative sidewall of needle tubing containing cavity and Connection Block in Connection Block and containing cavity.This safety protective cover serves certain safeguard protection effect; its shortcoming is, hinged mode is not easy location, and medical worker is when carrying out trocar operation; usually produce secondary operation owing to locating 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, the easy slippage of such vibrational power flow, 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; also be by hinged mode between its sheath and Connection Block; arrange the location of carrying out syringe needle in two holding sections to fix; this structure, when operator operate, is also not easy location, causes the problem that operating efficiency is low.
Utility model content
The purpose of this utility model is the safety guard providing a kind of entry needle, solves the Connection Block of the protector of current safety needle and side and opens protective sleeve and be difficult to locate, connect insecure, hold eely problem between buckle.
A kind of safety guard of entry needle; comprise 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; on described sheath 1 aft bulkhead or arrange a pair snap fit 3 at the bottom of wall, described needle stand 2 and sheath 1 junction arrange the elastic positioning device 5 of a band limit function.
Elastic positioning device 5 structure of described band 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.
Described location division 51 is the two pieces of rectangular slab 54 one synthesis in 35-90 degree angle, and the edge of rectangular slab 54 is provided with transition part 55 thinning gradually, extends to the first elastic 511 or the second elastic 512.
The end of described sheath 1 is provided with two panels revetment 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.
The sidewall of described sheath 1 front portion arranges inside barbed protuberances 8.
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.
Needle stand 2 and sheath 1 are oppositely arranged the buckle 4 of a pair 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.
The beneficial effects of the utility model: device of the present utility model by buckle by sheath and needle stand stuck, simultaneously, the fin of entry needle is stuck under snap fit, even if buckle and sheath loosen, also can by needle locking at sheath intracavity, arranging of elasticity location division can help medical worker's screens when operating, after needle body slips into sheath, entry needle fin is positioned in the back cavity of elastic positioning device, it can prevent needle body from departing from sheath easily, further ensure safety, also medical worker is made to improve operating efficiency when facing process and discarding syringe needle on a large scale, revetment is arranged on the outside of buckle, position can be buckled into as stop convenient card when discarded, also can protect buckle prevent its because of external force loosen, needle tubing can compress and be limited in safety shield by barbed protuberances firmly, thisly spacingly play further safety effect equally.
Accompanying drawing explanation
Fig. 1 is the protector side view of embodiment 1 single use safety needle;
Fig. 2 is the protector side view of embodiment 2 single use safety needle;
Fig. 3 is the protector top view of this utility model single use safety needle;
Fig. 4 is elastic positioning device structural representation;
Fig. 5 is the position view be hooked on sheath;
Fig. 6 is the another location schematic diagram be 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-first elastic, 512-second elastic, 52-the 3rd elastic, 53-the 4th elastic, 54-rectangular slab, 55 transition parts,-6-revetment, 7-calabash shaped caves in, 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, this utility model is described further.
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 to the rear end of sheath 1; the one end open of sheath 1; described sheath 1 aft bulkhead is arranged a pair snap fit 3 (as shown in Figure 5), described needle stand 2 and sheath 1 junction arrange the elastic positioning device 5 of a band 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 panels fin 10 is greater than the outward flange boundary of snap fit 3, be enough to be blocked, prevent it from moving upward, the fin of entry needle is sandwiched between the folding needle stand of anterior sheath and rear portion; During use, original for syringe needle sheath is pulled out and completes injection task; After using, push in sheath by needle stand by syringe needle, it is locked that needle stand and sheath pass through common buckle, and needle tubing is positioned sheath intracavity, then sends into and reclaim link, can avoid like this being stabbed, avoid infection in removal process.Described snap fit 3 has two kinds of structures, monolithic type or 2 flap-type.
As shown in Figure 4, elastic positioning device 5 structure of described band 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.
Described location division 51 is the two pieces of rectangular slab 54 one synthesis in 35-90 degree angle, and the edge of rectangular slab 54 is provided with transition part 55 thinning gradually, extends to the first elastic 511 or the second elastic 512.
Arranging of elasticity location division can help medical worker's screens when operating; after needle body slips into sheath; entry needle fin is positioned in the back cavity of elastic positioning device; it can prevent needle body from departing from sheath easily, further ensures safety, also makes medical worker improve operating efficiency when facing process and discarding syringe needle on a large scale; revetment is arranged on the outside of buckle; when discarded, position can be buckled into as stop convenient card, also can protect buckle prevent its because of external force loosen
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 revetment can buckle into position as stop convenient card when discarded, also can protect buckle prevent its because of external force loosen, 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 when preventing operation.
The sidewall of described sheath 1 front portion arranges inside barbed protuberances 8.Needle tubing can compress and be limited in safety shield by this projection firmly, thisly spacingly plays further safety effect equally.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening does not take liquid waste in, protection of the environment in order to make in the sheath discarded.The cross section of described sheath 1 takes the shape of the letter U.Pin can be stuck in its inner chamber by the sheath of U-shaped, 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 to the rear end of sheath 1; the one end open of sheath 1; on described sheath 1 aft bulkhead or arrange a pair snap fit 3 (as shown in Figure 6) at the bottom of wall, needle stand 2 and sheath 1 are oppositely arranged the buckle 4 of a pair engaging, described needle stand 2 and sheath 1 junction arrange the elastic positioning device 5 of a band 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 panels fin 10 is greater than the outward flange boundary of snap fit 3, be enough to be blocked, prevent it from moving upward, the fin of entry needle is sandwiched between the folding needle stand of anterior sheath and rear portion; During use, original for syringe needle sheath is pulled out and completes injection task; After using, push in sheath by needle stand by syringe needle, it is locked that needle stand and sheath pass through common buckle, and needle tubing is positioned sheath intracavity, then sends into and reclaim link, can avoid like this being stabbed, avoid infection in removal process.
As shown in Figure 4, elastic positioning device 5 structure of described band 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.
Described location division 51 is the two pieces of rectangular slab 54 one synthesis in 35-90 degree angle, and the edge of rectangular slab 54 is provided with transition part 55 thinning gradually, extends to the first elastic 511 or the second elastic 512.
Arranging of elasticity location division can help medical worker's screens when operating; after needle body slips into sheath; entry needle fin is positioned in the back cavity of elastic positioning device; it can prevent needle body from departing from sheath easily, further ensures safety, also makes medical worker improve operating efficiency when facing process and discarding syringe needle on a large scale; revetment is arranged on the outside of buckle; when discarded, position can be buckled into as stop convenient card, also can protect buckle prevent its because of external force loosen
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 revetment can buckle into position as stop convenient card when discarded, also can protect buckle prevent its because of external force loosen, 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 when preventing operation.
The sidewall of described sheath 1 front portion arranges inside barbed protuberances 8.Needle tubing can compress and be limited in safety shield by this projection firmly, thisly spacingly plays further safety effect equally.
The bottom of described sheath 1 is provided with 3 square openings 9.The effect of square opening does not take liquid waste in, protection of the environment in order to make in the sheath discarded.The cross section of described sheath 1 takes the shape of the letter U.Pin can be stuck in its inner chamber by the sheath of U-shaped, 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 in its card convex near the base portion of jacket wall on the one hand, engage more firm; Kato arranges flange, can Kato be reinforced on the one hand, on the other hand, the transverse shifting of card convex can be stoped, make engaging 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 parts latch hook 11; fin 10 is provided with corresponding lockhole 12; once after needle stand fin 10 presses down snap fit 3 bottom entered in protective sleeve; latch hook 11 and lockhole 12 closely cooperate, and prevent from further loosening 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 to the rear end of sheath (1); it is characterized in that; the one end open of sheath (1); on described sheath (1) aft bulkhead or arrange a pair snap fit (3) at the bottom of wall, described needle stand (2) and sheath (1) junction arrange the elastic positioning device (5) of a band limit function.
2. the safety guard of a kind of entry needle according to claim 1; it is characterized in that; elastic positioning device (5) structure of described band 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) and the junction of sheath (1) are respectively equipped with the 3rd elastic (52) and the 4th elastic (53).
3. the safety guard of a kind of entry needle according to claim 2; it is characterized in that; described location division (51) is two pieces of rectangular slab (54) one synthesis in 35-90 degree angle; the edge of rectangular slab (54) is provided with transition part (55) thinning gradually, extends to the first elastic (511) or the second elastic (512).
4. the safety guard of a kind of entry needle according to claim 1, it is characterized in that, the end of described sheath (1) is provided with two panels revetment (6).
5. the safety guard of a kind of entry needle according to claim 1; it is characterized in that; the front portion of described sheath (1) arranges one and meets 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. the safety guard of a kind of entry needle according to claim 1, is characterized in that, the sidewall that described sheath (1) is anterior arranges inside barbed protuberances (8).
7. the safety guard of a kind of entry needle according to claim 1, it 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, it is characterized in that, the cross section of described sheath (1) takes the shape of the letter U.
9. the safety guard of a kind of entry needle according to claim 1; it is characterized in that; described needle stand (2) and sheath (1) are oppositely arranged the buckle (4) of a pair 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 |
|---|---|---|---|
| CN201420438073.4U CN204033944U (en) | 2014-08-06 | 2014-08-06 | The safety guard of entry needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438073.4U CN204033944U (en) | 2014-08-06 | 2014-08-06 | The safety guard of entry needle |
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| Publication Number | Publication Date |
|---|---|
| CN204033944U true CN204033944U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420438073.4U Active CN204033944U (en) | 2014-08-06 | 2014-08-06 | The safety guard of entry needle |
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| CN (1) | CN204033944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117117A (en) * | 2014-08-06 | 2014-10-29 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN108744156A (en) * | 2018-06-20 | 2018-11-06 | 安徽宏宇五洲医疗器械股份有限公司 | Safe injection needle |
| WO2020042398A1 (en) * | 2018-08-29 | 2020-03-05 | 江苏康宝医疗器械有限公司 | Multifunctional safe syringe |
-
2014
- 2014-08-06 CN CN201420438073.4U patent/CN204033944U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117117A (en) * | 2014-08-06 | 2014-10-29 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN104117117B (en) * | 2014-08-06 | 2017-02-08 | 江苏康宝医疗器械有限公司 | Safety protection device for injection needle |
| CN108744156A (en) * | 2018-06-20 | 2018-11-06 | 安徽宏宇五洲医疗器械股份有限公司 | Safe injection needle |
| WO2020042398A1 (en) * | 2018-08-29 | 2020-03-05 | 江苏康宝医疗器械有限公司 | Multifunctional safe syringe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |