CN202724375U - Safety needle assembly - Google Patents
Safety needle assembly Download PDFInfo
- Publication number
- CN202724375U CN202724375U CN 201220208263 CN201220208263U CN202724375U CN 202724375 U CN202724375 U CN 202724375U CN 201220208263 CN201220208263 CN 201220208263 CN 201220208263 U CN201220208263 U CN 201220208263U CN 202724375 U CN202724375 U CN 202724375U
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- protection arm
- claw
- needle stand
- arm
- fastened component
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- 230000000712 assembly Effects 0.000 claims 3
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
- A61M2005/3217—Means to impede repositioning of protection cap from needle covering to needle uncovering position, e.g. catch mechanisms
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safety needle assembly, which can be used for preventing a syringe, a hemostix and other medical instruments with a needle head after use from pricking accidently, and has a simple structure and low cost. The safety needle assembly comprises a needle head and a needle head protection device. In the needle head protection device, an opening is formed on one side of a protecting arm, and the side of the protecting arm can be integrally connected to an installing part in a rotatable way through a hinge member. The protecting arm can rotate to a protection position relative to the installing part by taking the hinge member as a center; and on the protection position, the needle enters into the protection arm through the opening. When the protecting arm is rotated to the protection position relative to the installing part, a pair of first engaging members on two sides of the installing part is respectively engaged with a pair of second engaging members on two sides of the protecting arm. A convex-concave structure capable of preventing a needle holder and a needle holder hole from relative moving along an axial direction and a circumferential direction is formed between the needle holder and the needle holder hole.
Description
Technical field
This utility model relates to a kind of safety needle assembly, especially can prevent the safety needle assembly that the employed syringe needles of medical apparatus and instruments such as syringe and hemostix meet accident and stab after use.
Background technology
In medical practice, use very extensively with the medical apparatus and instruments of sharp-pointed syringe needle, such as syringe, hemostix etc.These medical apparatus and instruments are not only and are used by the professional in medical institutions and process, but also are usually used in the family by the layman and process, for example diabetes patient's insulin injection voluntarily.
Because medical apparatus and instruments its syringe needles after use such as syringe are exposed, and are easy to stab the related personnel, cause very large difficulty to collection and treatment.This stabbing also can cause bacteria infection.
In order to prevent the generation of accidental puncture, the syringe that syringe needle can be retracted after people had proposed to use.But this syringe construction is complicated, and cost is high.
The utility model content
Correspondingly, the purpose of this utility model provides a kind of safety needle assembly, not only can prevent from meeting accident after use with medical apparatus and instruments such as the syringe of syringe needle and hemostixes stabbing, and simple in structure, cost is low.
This utility model provides a kind of safety needle assembly on the one hand, and it comprises syringe needle and for preventer.Described syringe needle comprises needle stand and the pin that is installed on the described needle stand.The needle protection device comprises that a side is formed with protection arm and the installation portion of opening.Described installation portion comprises the first end that is connected with described needle stand, the second end that is connected with described protection arm and the coupling part of extending between described first end and described the second end.Described the second end is connected with described protection arm by hinge member, so that described protection arm can rotate centered by described hinge member.Described protection arm can turn to protective position, and at described protective position, described pin enters into the inside of described protection arm through described opening.Described preventer also comprises the first fastened component that is formed on described needle stand and/or the described installation portion and the second fastened component that is formed on the described protection arm.When described protection arm was positioned at described protective position, described the second fastened component and described the first fastened component were fastened togather.
According to an aspect of the present utility model, be constructed to prevent that at the first end of described needle stand and described installation portion the first end of described needle stand and described installation portion is in the axial and circumferential relative motion.Described installation portion can comprise the stylolitic part that is positioned at described first end, is formed with the needle stand hole in described stylolitic part, and described needle stand can be installed in the described needle stand hole.Wherein, between described needle stand and described needle stand hole, be formed with and prevent that described needle stand and described needle stand hole are in the convex-concave structure of axial and circumferential relative motion.
According to another aspect of the present utility model, described safety needle assembly also comprises holding device.Described holding device can comprise from described coupling part first projection of extending towards described protection arm one side and be positioned at the second projection on the described protection arm, thereby described the first projection and described the second projection are configured to can engage when described protection arm turns to the precalculated position in dissoluble mode and prevent that at least described protection arm from rotating along a direction.
Preferably, described convex-concave structure can comprise: be formed in described needle stand hole and the described needle stand circumferential recess on any one and be formed in described needle stand hole and the described needle stand circumferential projection on another, that can engage with described groove; Be formed in described needle stand hole and the described needle stand axial notch on any one and be formed in described needle stand hole and the described needle stand axial projection on another, that can engage with described axial notch.
Perhaps, described convex-concave structure can be included in described needle stand hole and the described needle stand the discontinuous groove that forms on any one and be formed in described needle stand hole and the described needle stand discontinuous projection on another, that can engage with described discontinuous groove.
Preferably, described holding device comprises the keeping arm that extends towards described protection arm one side from described coupling part, and described the first projection is positioned at the free end of described keeping arm.When described protection arm turned to wrapping position near described pin, described the second projection and described the first protrusion engagement prevented at least that in dissoluble mode described protection arm from rotating away from described pin.Described holding device can also comprise the free end that is positioned at described keeping arm and three projection opposite with described the first projection direction.When described protection arm turned to use location away from described pin with respect to described needle stand, the second projection on the described protection arm and described the 3rd protrusion engagement prevented at least that in dissoluble mode described protection arm from rotating towards described pin.
Perhaps, described holding device can also comprise the keeping arm that extends towards described needle stand one side from described protection arm, and described the second projection is formed on the free end of described keeping arm also substantially perpendicular to described keeping arm.When described protection arm was positioned at wrapping position near described pin, described the second projection and described the first protrusion engagement prevented at least that in dissoluble mode described protection arm from rotating away from described pin.On the free end of described keeping arm, can also be formed with three projection relative with described the second projection, when described protection arm is positioned at use location away from described pin, described the 3rd projection and described the first protrusion engagement prevent at least that in dissoluble mode described protection arm from rotating towards described pin.
Described the first fastened component can comprise a pair of first claw of the both sides that are formed on described stylolitic part or described needle stand, described the second fastened component can comprise a pair of second claw of the both sides that are formed on described protection arm, when described protection arm turned to described protective position, described the second claw and described the first claw engaged in the mode that can not withdraw from.
Described the first fastened component also can comprise the tubular elements that extends round described pin from described stylolitic part or described needle stand, described the second fastened component can comprise the claw that is positioned at described protection arm, when described protection arm was positioned at described protective position, the claw in the described protection arm was hooked on the wall of described tubular elements and is fastened togather in the mode that can not withdraw from described tubular elements.
Described the first fastened component also can comprise the draw-in groove that is formed on described stylolitic part or described needle stand outside, described the second fastened component can comprise the claw that is positioned at described protection arm, when described protection arm was positioned at described protective position, the claw in the described protection arm was hooked on the wall of described draw-in groove and is fastened togather in the mode that can not withdraw from described draw-in groove.
Described the first fastened component also can comprise the claw that at least one extends along the direction that is parallel to described pin substantially from described coupling part, described the second fastened component comprises that at least one is formed on the opening on the end of described needle stand one side of described protection arm, when described protection arm was positioned at described protective position, the claw on the described coupling part put in the opening on the described protection arm and is fastened togather in the mode that can not withdraw from described opening.Perhaps, described the first fastened component comprises that at least one is formed on the opening on the described coupling part, described the second fastened component comprises the claw that at least one extends towards described needle stand from the end towards described needle stand one side of described protection arm, when described protection arm was positioned at described protective position, the claw on the described protection arm put in the opening on the described coupling part and is fastened togather in the mode that can not withdraw from described opening.
Described the first fastened component also can comprise a pair of first claw of the both sides that are positioned at described coupling part, described the second fastened component can comprise the both sides of the opening that is positioned at described protection arm or be positioned at a pair of second claw towards the both sides of the end of described needle stand one side of described protection arm, when described protection arm was positioned at described protective position, described the first claw and described the second claw were fastened togather in the mode that can not withdraw from.
Safety needle assembly of the present utility model is simple in structure, can after use pin be accommodated in protection arm inside reliably, prevents to stab unexpectedly.
Description of drawings
Fig. 1 is the cutaway view of the safety needle assembly of this utility model the first embodiment, and wherein, protection arm is positioned at wrapping position.
Fig. 2 is the cutaway view of the safety needle assembly of Fig. 1, and wherein, protection arm is positioned at the use location.
Fig. 3 is the cutaway view of the safety needle assembly of Fig. 1, and wherein, protection arm is positioned at protective position.
Fig. 4 is the perspective view of the needle protection device of Fig. 1.
Fig. 5 is the side view of the needle protection device of Fig. 1.
Fig. 6 is the top view of the needle protection device of Fig. 1.
Fig. 7 is the upward view of the needle protection device of Fig. 1.
Fig. 8 is the cutaway view along VIII-VIII intercepting among Fig. 6.
Fig. 9 is the cutaway view along IX-IX intercepting among Fig. 6.
Figure 10 is the cutaway view along X-X intercepting among Fig. 6.
Figure 11 is the enlarged diagram of Fig. 1 " A " part.
Figure 12 is the perspective view of the needle stand of Fig. 1.
Figure 13 is the perspective view of the safety needle assembly of this utility model the second embodiment.
Figure 14 is the cutaway view of the safety needle assembly of Figure 13.
Figure 15 is the cutaway view of safety needle assembly when the use location of Figure 13.
Figure 16 is the cutaway view of safety needle assembly when wrapping position of Figure 13.
Figure 17 is the cutaway view of safety needle assembly when protective position of Figure 13.
Figure 18 is the perspective view of the safety needle assembly of this utility model the 3rd embodiment.
Figure 19 is the perspective view of the safety needle assembly of this utility model the 4th embodiment.
Figure 20 is the perspective view of the safety needle assembly of this utility model the 5th embodiment.
Figure 21 is the perspective view of the safety needle assembly of this utility model the 6th embodiment.
Figure 22 is the perspective view of the needle protection device of this utility model the 7th embodiment.
Figure 23 is the perspective view of the safety needle assembly of this utility model the 7th embodiment
The specific embodiment
Describe with reference to the accompanying drawings the preferred implementation of safety needle assembly of the present utility model in detail.
As shown in Figure 1, 2, 3, safety needle assembly of the present utility model comprises syringe needle 10 and needle protection device 1.Syringe needle 10 comprises needle stand 12 and the pin 11 that is installed on the needle stand 12; Needle protection device 1 comprises that a side is formed with protection arm 6 and the mounting portion 2 of opening 60.Shown in Fig. 4 and 6, mounting portion 2 comprises the first end (not shown) that is connected with needle stand 12, the second end (not shown) that is connected with protection arm 6 and the coupling part 24 of extending between first end and the second end.Coupling part 24 is connected with protection arm 6 by hinge member 4 at the second end, so that protection arm 6 can rotate centered by hinge member 4.
In illustrated object lesson, pin 11 is fixed on the conehead 14 of syringe 15 by needle stand 12.Wherein, shown in Figure 1 is that product uses front packed state, and at this moment, pin medicated cap 16 covers pin 11, and protection arm 6 is positioned at the position near pin 11 (perhaps the pin medicated cap 16), i.e. wrapping position.Be appreciated that protection arm 6 the closer to pin 11 (perhaps the pin medicated cap 16), just more may save packaging space.Shown in Figure 2 is the user mode of product, and at this moment, pin medicated cap 16 is removed, and protection arm 6 is rotated away from pin 11 (perhaps near syringe 15) position, namely uses the position.State after the use of shown in Figure 3 is product, at this moment, protection arm 6 is rotated pin 11 is accommodated in its inner position, i.e. protective position.
The needle protection device 1 of this utility model the first embodiment is described below with reference to Fig. 4～Figure 11.
Shown in Fig. 4 and 6, as a kind of object lesson, installation portion 2 comprises the stylolitic part 20 that is positioned at first end, and extend towards protection arm 6 one sides from an end of stylolitic part 20 coupling part 24.In stylolitic part 20, be formed with needle stand hole 21.The shape in needle stand hole 21 and size depend primarily on the needle stand 12 of syringe needle 10, and this utility model is not limited in this respect, as long as can installation portion 2 be fixedly secured on the needle stand 12 by needle stand hole 21.
According to a kind of preferred example of the present utility model, the first end of needle stand 12 and installation portion 2 is constructed to prevent that the two is in the axial and circumferential relative motion.For example, can between needle stand 12 and needle stand hole 21, be formed with convex-concave structure, this convex-concave structure can be in the use procedure of product, when for example using injector to inject, prevent that needle protection device 1 from respect to needle stand 12 relative motion occuring, for example circumferentially rotate and/or axial float, thereby prevent 1 interference of needle protection device even jeopardize normal medical care precess.
Referring to Fig. 1,2,4,8, particularly Figure 11, Figure 11 is the enlarged diagram of " A " part among Fig. 1.As an example, convex-concave structure comprises the circumferential projection 22 that is formed on (inner surface) on the needle stand hole 21 and the circumferential recess 13 that is formed on (outer surface) on the needle stand 12.Circumferential projection 22 can be fastened in the circumferential recess 13.In illustrated object lesson, circumferential projection 22 and circumferential recess 13 respectively along circumferential all basic continous be formed on needle stand hole 21 and the needle stand 12, axial float occurs to prevent 12 of needle protection device 1 and needle stands.In the present example, convex-concave structure also further is included in the axial projection 23 that the axis direction along needle stand hole 21 of formation extends on the needle stand hole 21.Axial projection 23 is protruded towards the axis in needle stand hole 21.Axial projection 23 can as shown be a plurality of, also can only have one.Clearly illustrated four symmetrically arranged axial projection 23 among Fig. 4, but obviously, this utility model is not limited to this.Referring to Figure 12, with axial projection 23 accordingly, outer surface at needle stand 12 is formed with axial notch 17, and axial projection 23 can stick into axial notch 17 and can be in axial notch 17 slide, and occurs circumferentially to relatively rotate between needle protection device 1 and the needle stand 21 preventing.
When being installed to needle protection device 1 on the needle stand 12, make first axial projection 23 aim at axial notch 17, axial projection 23 is sticked in the axial notch 17, then make needle protection device 1 in the guiding lower slider of axial projection 23 and axial notch 17, until circumferential projection 22 snaps in the circumferential recess 13.
As another object lesson (not shown), circumferential projection 22 can be formed on (outer surface) on the needle stand 12, and circumferential recess 13 can be formed on (inner surface) on the needle stand hole 21 accordingly.
Similarly, axial projection 23 can be formed on the needle stand 12, and on the needle stand hole 21 that corresponding axial notch 17 can form.
As another object lesson (not shown), circumferential recess 13 and circumferential projection 22 can not be continuous, but the dispersion that forms along the apparent surface, shape and/paired protruding, recessed feature that size is complementary, for example more than two pairs.At this moment, the convex-concave structure that circumferential recess and circumferential projection form just can be finished the axial and circumferential location between needle stand and the needle stand hole simultaneously, and axial projection 23 and axial notch 17 can be set in addition.Mode as an alternative, circumferential groove and projection also can be axial groove and projections, can also be oblique groove and projections, and the combination of the groove/land of variety of way, as long as discontinuous.
Referring to Fig. 5 and Fig. 8, protection arm 6 can comprise two parallel firsts 68 of cardinal principle and second portion 69, and first 68 is side-prominent towards installation portion 2 places more with respect to second portion 69, and these two parts 68 and 69 are linked together by corner part 67.
In this utility model, " towards installation portion (place) side " refer to protection arm 6 before use wrapping position or finish using after protective position the time in the face of a side of installation portion 2, for example, Fig. 1,3 drawing left side; " away from installation portion (place) side " refers to a side opposite with " towards installation portion (place) side " of protection arm 6." towards (perhaps away from) protection arm (place) side " is similar with above-mentioned definition, and difference is that the object of discussing is installation portion 2, and reference to as if protection arm 6.
Hinge member 4 can comprise a pair of hinge member of end protection walls 63 both sides (perhaps roughly on the bearing of trend of an offside protection walls 61) that are arranged on protection arm 6.This utility model is not in order to design or improve hinge arrangement, and therefore, various hinge arrangements as known in the art can consider to realize the hinge member 4 in this utility model.For example, the hinge member that is formed by weakening structure that extensively adopts in the Shooting Technique.Preferably, articulated element 4 can be so that protection arm remains on some or some turned position.More preferably, weakening structure can play the effect of spring, so that protection arm can other positions of auto-steering after surpassing a turned position that is kept.
Shown in Fig. 1～8, in a preferred example of the present utility model, needle protection device 1 can also comprise holding device 5.Holding device 5 comprises the first projection 51 and the second projection 52 that is positioned on the protection arm 6 that 6 one sides are extended from the coupling part towards protection arm.Thereby the first projection and the second projection are configured to can engage when protection arm turns to the precalculated position in dissoluble mode and prevent that at least protection arm 6 from rotating along a direction.It will be understood by those skilled in the art that holding device both can independently be present in the different examples with above-mentioned convex-concave structure, also can use in same example.The precalculated position can any hope the position, include but not limited to wrapping position described below and use location.
Such as Fig. 8 the clearest illustrating, holding device 5 comprises 6 one sides are extended from installation portion 2 towards protection arm keeping arm 50, be positioned at keeping arm 50 free-ended the first projections 51 and be positioned at the second projection 52 on the protection arm 6.In object lesson shown in Figure 4, holding device 5 is between a pair of hinge member 4, and wherein, the keeping arm 50 of holding device 5 is formed on the coupling part 24, and the second projection 52 is formed on the end protection walls 63, and is relative with keeping arm 50.As shown in Figure 1, when protection arm 6 turned to wrapping position near pin 11 with respect to installation portion 2, the second projection 52 engaged with the first projection 51, prevents that at least protection arm 6 from rotating along the direction away from pin 11.By designing the position of two projections, so that for example the first projection 51 is positioned at the second projection 52 on the path that hinge member 4 rotates, just can realize the joint of above-mentioned two projections.In addition, by design two projections 51,52 size interferes it each other when protection arm 6 turns to wrapping position, also can realize the joint of above-mentioned two projections, and not only can prevent protection arm away from the rotation of pin, can prevent that also protection arm is towards the rotation of pin 11.Can expect, also can utilize convex-concave to cooperate between two projections and realize engaging, for example the joint between the second projection described below and the 3rd projection.
Referring to Fig. 8, holding device 5 can also comprise the free end that is positioned at keeping arm 50 and with the 3rd projection 53 of the first projection 51 opposite directions.The side away from the first projection 51 in the 3rd projection 53 is formed with recess 54.As shown in Figure 2, when protection arm 6 turns to use location away from pin 11 with respect to installation portion 2, the second projection 52 on the protection arm 6 engages with the 3rd projection 53, stretch into recess 54, so the two ends of the second projection 52 are resisted against respectively the both sides of recess 54, so that protection arm 6 is held, thereby protection arm 6 is remained on the use location, can prevent simultaneously that it from rotating away from syringe needle with towards syringe needle, thereby prevent that protection arm from hindering normal medical care precess in the use procedure such as injection etc.Can expect, recess 54 is dispensable.Thereby as long as engaging, the 3rd projection 53 and the second projection 52 prevent that protection arm 6 from rotating towards pin in use, namely can realize the Expected Results of holding device.
Be appreciated that but it is a kind of maintenance of disarmed mode that protection arm is maintained on the above-mentioned precalculated position, namely can be disengaged by apply larger power to protection arm.This can be by being that elasticity realizes with interactional structure member design.For example here " arm " and " projection " itself is a kind of resilient cantilever design, and/or uses resilient material.This dissoluble maintenance can also realize by the structure of being convenient to enter and withdraw from chamfering or fillet etc. on the position that is in contact with one another.
Holding device can also have other implementation.For example, can be with the location swap of the first projection 51 and the second projection 52.Referring to the second embodiment, the especially Figure 14 and 15 shown in Figure 13～17.The second projection 52 can be considered to directly stretch out from the coupling part towards protection arm one side; And the first projection 51 and the 3rd projection 53 can be formed on the free end of the keeping arm 50 that 12 1 sides are stretched out from protection arm 6 towards needle stand.As shown in the figure, the 3rd projection 53 is outstanding slightly, thereby forms a little recess (not shown).The second projection 52 and the 3rd projection 53 are stuck in this recess when engaging, and can prevent at least more effectively that protection arm 6 from rotating (Figure 15) towards the direction of syringe needle.
Can expect, for preventing that protection arm from rotating towards syringe needle in use, the 3rd projection 53 and non-essential.As mentioned above, as long as the second projection 52 is positioned at the keeping arm free end on the rotation path of hinge member, the second projection 52 just can engage the keeping arm free end, prevents that protection arm from rotating towards needle stand or pin.If this joint also is accompanied by the distortion that mutual interference causes, so, can prevent simultaneously that protection arm from rotating away from needle stand or pin.
As shown in Figure 3, after product was finished using, protection arm 6 was rotated protective position from use location shown in Figure 2.At protective position, for pin 11 being remained on the inside of protection arm 6, prevent pin accidental puncture accident, safety needle assembly of the present utility model also comprises the first fastened component that is formed on needle stand and/or the installation portion and the second fastened component that is formed on the protection arm.When protection arm was positioned at protective position, the second fastened component and the first fastened component were fastened togather.
In an object lesson (Fig. 1～3), needle stand 12 is installed in the needle stand hole 21 of stylolitic part 20 of installation portion 2 first ends.In this case, shown in Fig. 4 and 6, the first fastened component can comprise that a pair of the first claw 7, the second fastened components of the both sides that are formed on stylolitic part 20 can comprise a pair of second claw 8 of the both sides of the opening 60 that is formed on protection arm 6.When protection arm turns to protective position, the second claw and the first claw preferably engage in the mode that can not withdraw from, thereby protection arm 6 is permanently remained on protective position, both can prevent from reusing with the product of crossing, also can prevent protection arm because the External Force Acting accident breaks away from and exposed needle.The first claw 7 and the second claw 8 can be the various structures that two parts can be locked, fix or be fastened togather as known in the art.
More specifically, a pair of the first claw 7 tangentially extends symmetrically from the side face of the stylolitic part 20 of installation portion 2, and links together by coupling part 24.The first wedge-like part 72 that the first claw 7 comprises extension 71 that from installation portion 2 towards protection arm 6 one sides extend, 71 free end tilts to extend towards installation portion 2 from the extension and the first unci 73 that forms in the end towards installation portion 2 of wedge-shaped part 72.Should be understood that the first claw 7 is divided into some ingredients, only is the convenience on describing, and these parts can be an inseparable integral body.Similarly, the second claw 8 can be divided into two parts: towards the second wedge-like part 81 of installation portion 2 places one side with away from the second unci 82 (seeing Fig. 4) of installation portion 2 places one side.When protection arm 6 turned to protective position, the second wedge-like part 81 was crossed the first wedge-like part 72, so that the second unci 82 and the first unci 73 engage in the mode that can not withdraw from.
In this utility model, " first ", " second " and the determiners such as " the 3 " that use before the term only represent the Different Individual in homogeneous structure or the member.
Although do not illustrate, it should be appreciated by those skilled in the art that the first claw 7 also can be formed on the both sides of coupling part 24, is similar to the situation of Figure 13 and 19.
In another object lesson, referring to the second～the 6th embodiment shown in Figure 13,18～21, the first end of installation portion 2 does not have stylolitic part, and coupling part 24 is integrally formed by first end and needle stand 12.
In the 5th, the 6th embodiment shown in Figure 20 and 21, the first fastened component comprises a pair of first claw 7 of the both sides that are formed on needle stand 12.The first claw 7 can extend along the axis direction of needle stand 12 or the direction of pin in the both sides of needle stand 12 as shown in Figure 20 substantially, also can substantially extend along the direction perpendicular to pin in the both sides of needle stand 12 like that as shown in figure 21.The direction of pin " substantially along " refers to the bearing of trend of the first claw 7 both can be identical with pin 11, the angle that also can become to wish.Similarly, " substantially along the direction perpendicular to pin " refers to the bearing of trend of the first claw 7 both can be vertical with pin 11, also can become the angle of other hope.
The second fastened component can comprise a pair of second claw 8 of the both sides of the opening 60 that is formed on protection arm 6, as shown in figure 20; Perhaps, the second fastened component can comprise a pair of the second claw 8 towards the both sides of the end of needle stand 12 that is formed on protection arm 6.
In Figure 13 and the second, the 4th embodiment shown in Figure 19, a pair of the first claw 7 can be formed on the both sides of the coupling part 24 of installation portion 2; And a pair of the second claw 8 can be formed on the both sides (Figure 13) of the opening 60 of protection arm 6 accordingly, perhaps is formed on the both sides (Figure 19) towards the end of needle stand 12 of protection arm 6.
These claws can have the structure identical with 6 claws of describing with reference Fig. 4, also can have other structures well known in the art.Should be understood that and can mutual alignment and the orientation of the first claw and the second claw be designed, so that when protection arm 6 turned to pin and is incorporated in its inner protective position, two pairs of claws engaged in the mode that can not withdraw from.
In this utility model, although the above has specifically described a kind of configuration of claw, but, " claw " of the present utility model refers to the member of shape well known by persons skilled in the art as hook, and its end portion forms hook with respect to main body with the back bending of the modes such as straight line or curve; Perhaps, its end portion is formed with a ledge, and this ledge back of the body abterminal (such as plane or curved surface etc.) concaves or substantially forms hook perpendicular to main body.This utility model is for the not restriction of concrete external shape of claw.
Referring to the 3rd embodiment shown in Figure 180, the first fastened component comprise at least one (being 2 among the figure) from the coupling part 24 claws 93 that extend along the direction that is in substantially parallel relationship to pin, and the second fastened component comprise corresponding at least one be formed on the opening 94 on the end of needle stand 12 of protection arm 6.When protection arm 6 was positioned at protective position, claw 93 put in opening 94 and is fastened togather in the mode that can not withdraw from opening 94.
The position that is appreciated that claw 93 and opening 94 can exchange, namely claw 93 can be formed on protection arm 6 on the end of needle stand 12, and opening 94 can be formed on the coupling part 24.
In the embodiment shown in Figure 13,17～19, except above-mentioned claw, the first fastened component can comprise that also 11 tubular elements 91, the second fastened components that extend can also comprise the claw 92 that is positioned at protection arm 6 from needle stand 12 round pin.As shown in figure 17, when protection arm 6 was positioned at protective position, the claws 92 in the protection arm 6 were hooked on the wall of tubular elements 91 and are fastened togather in the mode that can not withdraw from tubular elements 91.The engaging of claw 92 and tubular elements 91 can be used for using (as shown in the figure) with the engaging that can not withdraw from of above-mentioned paired claw 7 and 8, also can be in the situation that do not use paired claw 7 and 8 to use separately.
It may occur to persons skilled in the art that, the snap-in structure of above-mentioned tubular elements and claw also can be applied in the needle stand 12 shown in Fig. 1～12 and be installed in situation in the stylolitic part 20.At this moment, tubular elements extends from stylolitic part round pin and forms.
Figure 22 shows the needle protection assembly of this utility model the 7th embodiment, and Figure 23 shows the safety needle assembly of this utility model the 7th embodiment.In the specific embodiment shown in Figure 23, needle stand 12 is fixedly mounted in the needle stand acceptance division 97 of front end of syringe 15.The first embodiment shown in the 7th embodiment and Fig. 1～12 is similar, is formed with stylolitic part 96 at the first end of installation portion.This stylolitic part 96 is sleeve-shaped, can install regularly on the syringe 15 with connected modes known in the art such as thread connection, buckle connection or cone match, for example on the needle stand acceptance division 97.It may occur to persons skilled in the art that, in the application scenario that does not have the needle stand acceptance division, stylolitic part 96 can pass through also that thread connection, buckle connect or the connected modes known in the art such as cone match regularly in other positions of needle stand 12 or syringe 15.
Shown in Figure 22 and 23, the embodiment shown in the 7th embodiment and Figure 13～19 is similar, comprises that also the claw 92 that is formed in the protection arm 6 is as the second fastened component; But difference is, in Figure 22 and 23, the first fastened component is formed in the draw-in groove 95 of stylolitic part 96 outsides.Claw 92 can be fastened togather with mode and the draw-in groove 95 that can not withdraw from, and for example, as shown in figure 23, is stuck on the wall of draw-in groove 95.Claw 92 engages with draw-in groove 95, and is similar with engaging of tubular elements 91 with above-described claw 92, repeats no more here.
In the replacement embodiment as Figure 13,17～19 illustrated embodiment that this utility model does not illustrate, the draw-in groove 95 shown in Figure 22 and 23 is replaced tubular elements 91.
As shown in Figure 3, when protection arm 6 turned to protective position, the pin 11 of syringe needle 10 entered into the inside of protection arm 6 through the opening 60 of protection arm 6.In order to guarantee that further pin 11 can not break away from from protection arm 6, referring to Fig. 4,9 and 10, protection arm 6 can also comprise the 3rd claw 64.The 3rd claw 64 comprises the uprights 641 that 2 one sides are extended from end protection walls 63 to installation portion and bends towards the hook portion 642 of end protection walls 63 at the free end of uprights 641.By the hook portion 642 that bends towards end protection walls 63, pin 11 can easily be directed into the hook portion 642 of claw 64 and is stuck in the hook portion 642 in the mode that can not withdraw from.
As further preferred embodiment, protection arm 6 can also comprise the 4th claw 65.The 4th claw 65 has identical structure with the 3rd claw 64, arranges along the bearing of trend of protection arm 6, so that the hook portion of the 4th claw 65 and the 3rd claw 64 is staggered relative.This staggered relative layout is conducive to more exactly guide needle 11.
As a kind of embodiment, shown in Fig. 4,8,9, by cut out the 3rd, the 4th claw in end protection walls 63, then the open side to protection arm 6 erects claw, forms above-mentioned claw.Like this, the position facing to the hook portion of claw has formed opening on end protection walls 63.
As the mode that is more preferably, the guiding rib 66 that there is guide ramp a pair of upper end can also be set along the inboard of an offside protection walls 61.This set is particularly conducive to pin 11 is tied to claw 64,65 positions, therefore is particularly suitable for the situation that pin 11 bends after use.
The other end relative with an end that is connected and installed section 2 on the protection arm 6, i.e. the other end relative with an end at hinge member 4 places can also form the end protection walls 62 that end protection walls 63 and an offside protection walls 61 are linked together.End protection walls 62 provides for the further protection that is stuck in the pin 11 in the hook shape component.
It is integrally formed that needle protection device 1 can use plastic material to pass through Shooting Technique, as integrated injection molding spare; Perhaps respectively injection moulding and then links together the two injection moulding by hinge member with the protection arm 6 of the second ledge 52 of holding device 5 with the installation portion 2 of holding device 5 other parts.
Protection arm structure of the present utility model need not be used the mould with slide block when injection moulding, simplified mould structure, greatly improved the quantity (for example can reach 96 chambeies) of mold cavity, be very beneficial for adopting large mould to obtain large batch of layered product by single injection-molded, reduced significantly the production cost of protection arm.And the die sinking of protection arm structure of the present utility model requires low, also is conducive to the simplification of mould structure, reduces the manufacturing cost and use cost of mould.
As further preferred implementation of the present utility model, such as Fig. 5 and shown in Figure 7, be formed with anti-skid structure 9 in the side away from installation portion one side of end protection walls 63.Anti-skid structure 9 can be illustrated a plurality of fin, also can be the structure that other can be anti-skidding, such as rough surface or stick to lip-deep coarse or sheet material that coefficient of friction is large of end protection walls etc.Anti-skid structure 9 can be formed on the end protection walls of second portion 69 of protection arm 6; Can also be formed on the corner part 67, become anti-skidding corner.Anti-skid structure is convenient to the related personnel and is used grasped, prevents unexpected slippage.On the other hand, when the medical apparatus and instruments such as syringe of collecting and putting in order after using, anti-skid structure, especially anti-skidding corner is conducive to the arrangement of these medical apparatus and instruments, and prevents the mutual slip between these medical apparatus and instruments.
The above has carried out concrete description with reference to accompanying drawing to this utility model.But, it should be appreciated by those skilled in the art that top specific descriptions only are the character of giving an example, be used for illustrative purpose, be not to be to limit protection domain of the present utility model.Have benefited from instruction of the present utility model; those skilled in the art can make various modification, modification or replacement to above-mentioned specifically described embodiment as the case may be in the situation that do not exceed this utility model protection domain, and these modification, modification or replacement fall into protection domain of the present utility model.
Claims (37)
1. a safety needle assembly is characterized in that, comprising:
Syringe needle (10), described syringe needle (10) comprise needle stand (12) and are installed in pin (11) on the described needle stand (12); And
Needle protection device (1), described needle protection device (1) comprising:
One side is formed with the protection arm (6) of opening (60),
Installation portion (2), described installation portion comprises the first end that is connected with described needle stand, the second end that is connected with described protection arm and the coupling part of extending between described first end and described the second end, described the second end is connected with described protection arm by hinge member (4), so that described protection arm can rotate centered by described hinge member (4), described protection arm (6) can turn to protective position, at described protective position, described pin (11) enters into the inside of described protection arm (6) through described opening (60), and
Be formed on the first fastened component and the second fastened component that is formed on the described protection arm on described needle stand and/or the described installation portion, when described protection arm (6) when being positioned at described protective position, described the second fastened component and described the first fastened component are fastened togather
Wherein, the first end at described needle stand (12) and described installation portion is constructed to prevent that the first end of described needle stand (12) and described installation portion is in the axial and circumferential relative motion.
2. safety needle assembly as claimed in claim 1 is characterized in that, described installation portion also comprises the stylolitic part that is positioned at described first end, is formed with the needle stand hole in described stylolitic part, and described needle stand can be fixedly mounted in the described needle stand hole.
3. safety needle assembly as claimed in claim 2 is characterized in that, is formed with to prevent that described needle stand (12) and described needle stand hole are in the convex-concave structure of axial and circumferential relative motion between described needle stand (12) and described needle stand hole.
4. safety needle assembly as claimed in claim 3 is characterized in that, described convex-concave structure comprises:
Be formed in described needle stand hole (21) and the described needle stand (12) circumferential recess (13) on any one and be formed on described needle stand hole (21) and described needle stand (12) in circumferential projection (22) on another, that can engage with described groove (13);
Be formed in described needle stand hole (21) and the described needle stand (12) axial notch (17) on any one and be formed on described needle stand hole (21) and described needle stand (12) in axial projection (23) on another, that can engage with described axial notch (17).
5. safety needle assembly as claimed in claim 3, it is characterized in that, described convex-concave structure is included in described needle stand hole (21) and the described needle stand (12) the discontinuous groove that forms on any one and is formed in described needle stand hole (21) and the described needle stand (12) discontinuous projection on another, that can engage with described discontinuous groove.
6. safety needle assembly as claimed in claim 2, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are formed on described stylolitic part (20), described the second fastened component comprises a pair of second claw (8) of the both sides that are formed on described protection arm, when described protection arm (6) when turning to described protective position, described the second claw and described the first claw engage in the mode that can not withdraw from.
7. safety needle assembly as claimed in claim 2, it is characterized in that, described the first fastened component comprises the tubular elements (91) that extends from described stylolitic part (20) round described pin (11), described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw (92) in the described protection arm is hooked on the wall of described tubular elements (91) and is fastened togather in the mode that can not withdraw from described tubular elements.
8. safety needle assembly as claimed in claim 2, it is characterized in that, described the first fastened component comprises the draw-in groove that is formed on described stylolitic part outside, described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw in the described protection arm is hooked on the wall of described draw-in groove and is fastened togather in the mode that can not withdraw from described draw-in groove.
9. safety needle assembly as claimed in claim 1 is characterized in that, described coupling part (24) are integrally formed by described first end and described needle stand (12).
10. safety needle assembly as claimed in claim 9, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are formed on described needle stand (12), described the second fastened component comprises a pair of second claw (8) of the both sides that are formed on described protection arm (6), when described protection arm (6) when turning to described protective position, described the second claw and described the first claw engage in the mode that can not withdraw from.
11. safety needle assembly as claimed in claim 9, it is characterized in that, described the first fastened component comprises the tubular elements (91) that extends from described needle stand (12) round described pin (11), described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw (92) in the described protection arm is hooked on the wall of described tubular elements (91) and is fastened togather in the mode that can not withdraw from described tubular elements.
12. safety needle assembly as claimed in claim 9, it is characterized in that, described the first fastened component comprises the draw-in groove that is formed on the needle stand outside, described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw in the described protection arm is hooked on the wall of described draw-in groove and is fastened togather in the mode that can not withdraw from described draw-in groove.
13. safety needle assembly as claimed in claim 1, it is characterized in that, described the first fastened component comprises the claw (93) that at least one extends along the direction that is parallel to described pin (11) substantially from described coupling part (24), described the second fastened component comprises that at least one is formed on the opening (94) on the end of described needle stand (12) one sides of described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw on the described coupling part (93) puts in the opening (94) on the described protection arm and is fastened togather in the mode that can not withdraw from described opening.
14. safety needle assembly as claimed in claim 1, it is characterized in that, described the first fastened component comprises that at least one is formed on the opening on the described coupling part, described the second fastened component comprises the claw that at least one extends towards described needle stand from the end towards described needle stand one side of described protection arm, when described protection arm was positioned at described protective position, the claw on the described protection arm put in the opening on the described coupling part and is fastened togather in the mode that can not withdraw from described opening.
15. safety needle assembly as claimed in claim 1, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are positioned at described coupling part (24), described the second fastened component comprises a pair of second claw (8) of the both sides of the opening that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, described the first claw and described the second claw are fastened togather in the mode that can not withdraw from.
16. safety needle assembly as claimed in claim 1, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are positioned at described coupling part (24), described the second fastened component comprises a pair of the second claw (8) towards the both sides of the end of described needle stand (12) one sides that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, described the first claw and described the second claw are fastened togather in the mode that can not withdraw from.
17. a safety needle assembly is characterized in that, comprising:
Syringe needle (10), described syringe needle (10) comprise needle stand (12) and are installed in pin (11) on the described needle stand (12);
Needle protection device (1), described needle protection device (1) comprising:
One side is formed with the protection arm (6) of opening (60),
Installation portion (2), described installation portion comprises the first end that is connected with described needle stand, the second end that is connected with described protection arm and the coupling part of extending between described first end and described the second end, described the second end is connected with described protection arm by hinge member (4), so that described protection arm can rotate centered by described hinge member (4), described protection arm (6) can turn to protective position, at described protective position, described pin (11) enters into the inside of described protection arm (6) through described opening (60), and
Be formed on the first fastened component and the second fastened component that is formed on the described protection arm on described needle stand and/or the described installation portion, when described protection arm (6) when being positioned at described protective position, described the second fastened component and described the first fastened component are fastened togather; And
Holding device (5), described holding device (5) comprises from described coupling part first projection (51) of extending towards described protection arm (6) one sides and is positioned at the second projection (52) on the described protection arm (6), thereby described the first projection and described the second projection are configured to can engage when described protection arm turns to the precalculated position in dissoluble mode and prevent that at least described protection arm (6) from rotating along a direction.
18. safety needle assembly as claimed in claim 17, it is characterized in that, described holding device comprises the keeping arm (50) that extends towards described protection arm (6) one sides from described coupling part, described the first projection (51) is positioned at the free end of described keeping arm (50), when described protection arm (6) turns to wrapping position near described pin (11), described the second projection (52) engages with described the first projection (51), prevents at least that in dissoluble mode described protection arm (6) from rotating away from described pin.
19. safety needle assembly as claimed in claim 18, it is characterized in that, described holding device (5) also comprise the free end that is positioned at described keeping arm (50) and with the 3rd projection (53) of described the first projection (51) opposite direction, when described protection arm (6) turns to use location away from described pin (11) with respect to described needle stand, the second projection (52) on the described protection arm (6) engages with described the 3rd projection (53), prevents at least that in dissoluble mode described protection arm (6) from rotating towards described pin.
20. safety needle assembly as claimed in claim 17, it is characterized in that, described holding device also comprises the keeping arm (50) that extends towards described needle stand (12) one sides from described protection arm (6), described the second projection (52) is formed on the free end of described keeping arm (50) also substantially perpendicular to described keeping arm (50), wherein, when described protection arm (6) is positioned at wrapping position near described pin (11), described the second projection (52) engages with described the first projection (51), prevents at least that in dissoluble mode described protection arm (6) from rotating away from described pin.
21. safety needle assembly as claimed in claim 20, it is characterized in that, free end at described keeping arm (50) is formed with three projection (53) relative with described the second projection (52), wherein, when described protection arm (6) is positioned at use location away from described pin (11), described the 3rd projection engages with described the first projection (51), prevents at least that in dissoluble mode described protection arm (6) from rotating towards described pin.
22. safety needle assembly as claimed in claim 17, it is characterized in that, described installation portion (2) also comprises the stylolitic part (20) that is positioned at described first end, be formed with needle stand hole (21) in described stylolitic part (20), described needle stand (12) can be fixedly mounted in the described needle stand hole (21).
23. safety needle assembly as claimed in claim 22, it is characterized in that, wherein, between described needle stand (12) and described needle stand hole (21), be formed with and prevent that described needle stand (12) and described needle stand hole (21) are in the convex-concave structure of axial and circumferential relative motion.
24. safety needle assembly as claimed in claim 23 is characterized in that, described convex-concave structure comprises:
Be formed in described needle stand hole (21) and the described needle stand (12) circumferential recess (13) on any one and be formed on described needle stand hole (21) and described needle stand (12) in circumferential projection (22) on another, that can engage with described groove (13);
Be formed in described needle stand hole (21) and the described needle stand (12) axial notch (17) on any one and be formed on described needle stand hole (21) and described needle stand (12) in axial projection (23) on another, that can engage with described axial notch (17).
25. safety needle assembly as claimed in claim 23, it is characterized in that, described convex-concave structure is included in described needle stand hole (21) and the described needle stand (12) the discontinuous groove that forms on any one and is formed in described needle stand hole (21) and the described needle stand (12) discontinuous projection on another, that can engage with described discontinuous groove.
26. safety needle assembly as claimed in claim 17 is characterized in that, described installation portion (2) also comprises the stylolitic part (96) that is positioned at described first end, and described stylolitic part (96) can be fixedly mounted on the syringe.
27. safety needle assembly as claimed in claim 26, it is characterized in that, described needle stand can be installed in the inboard of the needle stand acceptance division (97) of syringe front end, and described stylolitic part (96) can be installed in the outside of the needle stand acceptance division (97) of syringe front end.
28. such as claim 22 or 26 described safety needle assemblies, it is characterized in that,
Described the first fastened component comprises a pair of first claw (7) of the both sides that are formed on described stylolitic part (20),
Described the second fastened component comprises a pair of second claw (8) of the both sides of the opening that is formed on described protection arm,
Wherein, when described protection arm (6) when turning to described protective position, described the second claw and described the first claw engage in the mode that can not withdraw from.
29. such as claim 22 or 26 described safety needle assemblies, it is characterized in that, described the first fastened component comprises the tubular elements (91) that extends from described stylolitic part (20) round described pin (11), described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw (92) in the described protection arm is hooked on the wall of described tubular elements (91) and is fastened togather in the mode that can not withdraw from described tubular elements.
30. such as claim 22 or 26 described safety needle assemblies, it is characterized in that, described the first fastened component comprises the draw-in groove (95) that is formed on described stylolitic part outside, described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw in the described protection arm is hooked on the wall of described draw-in groove and is fastened togather in the mode that can not withdraw from described draw-in groove.
31. safety needle assembly as claimed in claim 17 is characterized in that, described coupling part (24) are integrally formed by described first end and described needle stand (12).
32. safety needle assembly as claimed in claim 31 is characterized in that,
Described the first fastened component comprises a pair of first claw (7) of the both sides that are formed on described needle stand (12),
Described the second fastened component comprises a pair of second claw (8) of the both sides of the opening that is formed on described protection arm (6),
Wherein, when described protection arm (6) when turning to described protective position, described the second claw and described the first claw engage in the mode that can not withdraw from.
33. safety needle assembly as claimed in claim 31, it is characterized in that, described the first fastened component comprises the tubular elements (91) that extends from described needle stand (12) round described pin (11), described the second fastened component comprises the claw (92) that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, the claw in the described protection arm is hooked on the wall of described tubular elements and is fastened togather in the mode that can not withdraw from described tubular elements.
34. safety needle assembly as claimed in claim 17, it is characterized in that, described the first fastened component comprises the claw (93) that at least one extends along the direction that is in substantially parallel relationship to described pin (11) from described coupling part (24), described the second fastened component comprises that at least one is formed on the opening (94) on the end of described needle stand one side of described protection arm, when described protection arm (6) when being positioned at described protective position, the claw on the described coupling part (93) puts in the opening (94) on the described protection arm and is fastened togather in the mode that can not withdraw from described opening.
35. safety needle assembly as claimed in claim 17, it is characterized in that, described the first fastened component comprises that at least one is formed on the opening on the described coupling part, described the second fastened component comprises the claw that at least one extends towards described needle stand from the end towards described needle stand one side of described protection arm, when described protection arm was positioned at described protective position, the claw on the described protection arm put in the opening on the described coupling part and is fastened togather in the mode that can not withdraw from described opening.
36. safety needle assembly as claimed in claim 17, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are positioned at described coupling part (24), described the second fastened component comprises a pair of second claw (8) of the both sides of the opening that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, described the first claw and described the second claw are fastened togather in the mode that can not withdraw from.
37. safety needle assembly as claimed in claim 17, it is characterized in that, described the first fastened component comprises a pair of first claw (7) of the both sides that are positioned at described coupling part (24), described the second fastened component comprises a pair of the second claw (8) towards the both sides of the end of described needle stand (12) one sides that is positioned at described protection arm (6), when described protection arm (6) when being positioned at described protective position, described the first claw and described the second claw are fastened togather in the mode that can not withdraw from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208263 CN202724375U (en) | 2011-05-06 | 2012-05-07 | Safety needle assembly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110120309 | 2011-05-06 | ||
| CN201110120309.0 | 2011-05-06 | ||
| CN 201220208263 CN202724375U (en) | 2011-05-06 | 2012-05-07 | Safety needle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202724375U true CN202724375U (en) | 2013-02-13 |
Family
ID=47118092
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210144147.9A Active CN102772840B (en) | 2011-05-06 | 2012-05-07 | Safety needle assembly |
| CN 201220208263 Expired - Fee Related CN202724375U (en) | 2011-05-06 | 2012-05-07 | Safety needle assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210144147.9A Active CN102772840B (en) | 2011-05-06 | 2012-05-07 | Safety needle assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102772840B (en) |
| WO (1) | WO2012152207A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772840A (en) * | 2011-05-06 | 2012-11-14 | 上海萌黎国际贸易有限公司 | Safety needle component |
| CN103751889A (en) * | 2014-01-21 | 2014-04-30 | 淮安市恒春医疗器材有限公司 | Safety self-destructive syringe |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| WO2018086192A1 (en) * | 2016-11-11 | 2018-05-17 | 贝普医疗科技有限公司 | Secure injection needle |
| CN111436951A (en) * | 2020-03-04 | 2020-07-24 | 天津华鸿科技股份有限公司 | Blood taking needle |
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| WO2012071400A2 (en) | 2010-11-22 | 2012-05-31 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
| CN104174098A (en) * | 2013-05-20 | 2014-12-03 | 上海康德莱企业发展集团股份有限公司 | Safe shell type injector |
| US10029049B2 (en) * | 2015-03-19 | 2018-07-24 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
| JP6765387B2 (en) * | 2015-06-08 | 2020-10-07 | ベクトン ディキンソン フランス | Safety device to prevent needle stick harm in medical devices and needles of medical devices |
| WO2017129968A2 (en) * | 2016-01-25 | 2017-08-03 | Star Syringe Limited | Needlestick prevention device |
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| CN108577862B (en) * | 2017-12-15 | 2020-07-31 | 中南大学湘雅医院 | Blood sampling device and blood sampling instrument adopting same |
| CN109875516B (en) * | 2019-03-29 | 2022-04-01 | 重庆金山医疗技术研究院有限公司 | Off-line type detection equipment clamping device |
| CN113853228B (en) * | 2019-06-21 | 2023-12-01 | 贝克顿迪金森法国公司 | Safety device for preventing needle stick injuries caused by needles of medical injection devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5599318A (en) * | 1995-08-29 | 1997-02-04 | Becton, Dickinson And Company | Needle shield assembly having a releasable lock |
| US20030187399A1 (en) * | 2002-04-02 | 2003-10-02 | Becton, Dickinson And Company | Safety shield assembly |
| US6719737B2 (en) * | 2002-05-13 | 2004-04-13 | Terumo Medical Corporation | Safety needle assembly |
| US7201736B2 (en) * | 2003-08-28 | 2007-04-10 | Smiths Medical Asd, Inc. | Needle protection assembly |
| US8057431B2 (en) * | 2006-12-21 | 2011-11-15 | B. Braun Melsungen Ag | Hinged cap for needle device |
| US8038654B2 (en) * | 2007-02-26 | 2011-10-18 | Becton, Dickinson And Company | Syringe having a hinged needle shield |
| UA98656C2 (en) * | 2007-07-12 | 2012-06-11 | Стар Сіріндж Лімітед | Needlestick prevention device |
| CN102772840B (en) * | 2011-05-06 | 2016-06-29 | 上海萌黎国际贸易有限公司 | Safety needle assembly |
| CN202113434U (en) * | 2011-05-06 | 2012-01-18 | 上海萌黎国际贸易有限公司 | Safety syringe assembly |
-
2012
- 2012-05-07 CN CN201210144147.9A patent/CN102772840B/en active Active
- 2012-05-07 WO PCT/CN2012/075137 patent/WO2012152207A1/en active Application Filing
- 2012-05-07 CN CN 201220208263 patent/CN202724375U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772840A (en) * | 2011-05-06 | 2012-11-14 | 上海萌黎国际贸易有限公司 | Safety needle component |
| CN102772840B (en) * | 2011-05-06 | 2016-06-29 | 上海萌黎国际贸易有限公司 | Safety needle assembly |
| CN103751889A (en) * | 2014-01-21 | 2014-04-30 | 淮安市恒春医疗器材有限公司 | Safety self-destructive syringe |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| WO2018086192A1 (en) * | 2016-11-11 | 2018-05-17 | 贝普医疗科技有限公司 | Secure injection needle |
| US11033213B2 (en) | 2016-11-11 | 2021-06-15 | Berpu Medical Technology Co., Ltd | Secure injection needle |
| CN111436951A (en) * | 2020-03-04 | 2020-07-24 | 天津华鸿科技股份有限公司 | Blood taking needle |
| CN111436951B (en) * | 2020-03-04 | 2023-05-23 | 天津华鸿科技股份有限公司 | Blood taking needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102772840A (en) | 2012-11-14 |
| WO2012152207A1 (en) | 2012-11-15 |
| CN102772840B (en) | 2016-06-29 |
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Address after: 200135 room 58, Zheng Da Cube Edifice, No. 2202 Chang Liu Road, Shanghai, Pudong New Area Patentee after: Shanghai Sol-Millennium Medical Products Co., Ltd. Address before: 200120, room 701-703, building E, Poly Plaza, 18 Dongfang Road, Shanghai, Pudong Patentee before: Shanghai Sol-Millennium Medical Products Co., Ltd. |
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Address after: 200135 room 58, Zheng Da Cube Edifice, No. 2202 Chang Liu Road, Shanghai, Pudong New Area Patentee after: Millennium Light Medical Technology (Shanghai) Co., Ltd. Address before: 200135 room 58, Zheng Da Cube Edifice, No. 2202 Chang Liu Road, Shanghai, Pudong New Area Patentee before: Shanghai Sol-Millennium Medical Products Co., Ltd. |
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