CN211512934U - Safety needle sleeve - Google Patents

Abstract

A safety needle cover includes a main part, two extension parts, at least a first buckle part and at least a second buckle part, wherein each extension part is connected to the main part and extends along the long axis; two There is an accommodation space and two guide grooves between the extension parts; the first buckle part and the second buckle part are respectively arranged on the two extension parts. When the two extension parts are squeezed by an external force and come close to each other, the first buckle part and the second buckle part are locked together, so that the needle of the injection needle is limited in the accommodation space. The safety needle cover of the utility model can prevent the needle of the injection needle from protruding outside and causing danger.

Description

safety needle cover

technical field

The utility model belongs to the technical field of medical equipment, in particular to a safety needle cover.

Background technique

At present, the injection needle (also known as butterfly needle) commonly used for injection and drip in medical treatment includes two wings and a needle. The needle is inserted into the skin, and the wings are used to fix the tape on the skin. After the injection, the medical staff should carefully cover the needle with the needle cap to avoid needle stick injuries. However, during the process of covering the needle with the needle cover, if the needle cover is not aligned with the needle and inserted, the person may still be stabbed.

In order to reduce the chance of medical staff being stabbed by needles, some professionals have developed a needle cover that covers the injection needle, such as Taiwan's new patent number M552820. After use, pull the injection needle back into the needle cover. Although this kind of needle cover can reduce the chance of people being stabbed, one end of this kind of needle cover is open. If the fins of the injection needle come out along the guide groove, the needle will still protrude from the needle cover, and people will be stabbed. situation occurs.

Utility model content

In view of this, the purpose of the present invention is to provide a safety needle cover, which can prevent the needle from protruding from the safety needle cover.

In order to achieve the above purpose, the present invention provides a safety needle cover for accommodating an injection needle, the injection needle has two wings and a needle; the safety needle cover is elongated and includes: a main part, two extension parts, at least one first buckle part and at least one second buckle part, wherein the two extension parts are connected to the main part and each extension part extends along the long axis, and the An accommodating space is formed between the two extension parts, and two guide grooves extending along the long axis are formed between the two extension parts; the two guide grooves are respectively used for the two fins of the injection needle through; the two extension parts are pressed by external force to be relatively close; the at least one first buckle part is arranged on one of the extension parts; the at least one second buckle part is arranged on the other extension part and corresponding to the at least one first buckle portion, the at least one second buckle portion is for buckled with the at least one first buckle portion; wherein, when the two extension portions are squeezed by an external force and are relatively close, the The first buckle portion is buckled with the second buckle portion, so that the needle is restricted in the accommodating space.

The effect of the utility model is that the first buckle part on the two extension parts is fastened with the second buckle part, so that the injection needle can be effectively prevented from falling out of the guide groove, resulting in the danger of the needle protruding from the safety needle cover.

Description of drawings

1 is a perspective view of a safety needle cover in an embodiment of the present invention;

Fig. 2 is the side view of the safety needle cover in the above-mentioned embodiment;

Fig. 3 is the sectional view of the safety needle cover in the above-mentioned embodiment;

Fig. 4 is the top view of the safety needle cover in the above-mentioned embodiment;

5 is a schematic side view of the safety needle cover in the above-mentioned embodiment when in use;

6 is a schematic cross-sectional view of the safety needle cover in the above-described embodiment when in use;

[Description of components in the attached drawings]

1-safety needle cover; 10-main part;

20-extension part; 20a-fixed end;

20b - free end; 202 - first paragraph;

204-Second section; 206-Increased section;

206a-end; 22-notch;

24-stop; 26-anti-slip structure;

262-rib; 30-accommodating space;

32-guide groove; 322-first groove segment;

324- the second groove segment; 40- the first buckle part;

402-bevel; 404-card edge;

50-Second buckle part; 100-Injection needle;

101-wings; 102-needles.

Detailed ways

In order to describe the present utility model more clearly, the following detailed description is now combined with the embodiments and the accompanying drawings. 1 to 6 are safety needle covers in an embodiment of the present invention. As shown in FIG. 1 , the safety needle cover 1 is used for accommodating an injection needle 100 . The injection needle 100 includes two wings 101 and a needle 102 . The safety needle cover 1 is elongated and has a long axis. The safety needle cover 1 includes a main part 10 , two extension parts 20 , at least one first buckle part 40 and at least one second buckle part 50 which are integrally formed. ,in:

Both ends of the main portion 10 are communicated with each other. The two extension parts 20 are connected to the main part 10 . Specifically, each extension part 20 has a fixed end 20 a and a free end 20 b , and the fixed end 20 a of each extension part 20 is connected to the main part 10 . Each of the extending parts 20 extends along the long axis. An accommodating space 30 is formed between the two extending portions 20 , and the accommodating space 30 is for accommodating the injection needle 100 therein.

Two guide grooves 32 extending along the long axial direction are respectively formed on both sides of the two extending portions 20 , and the two guide grooves 32 respectively allow the two fins 101 of the injection needle 100 to pass through. The two extension parts 20 are elastic and can be squeezed by external force so as to be relatively close to each other. In this embodiment, each of the guide grooves 32 is open between the two free ends 20 b of the two extending portions 20 , so that the injection needle 100 can slide in or out of the safety needle cover 1 . Each of the guide grooves 32 has a first groove section 322 and a second groove section 324, the first groove section 322 is located between the main portion 10 and the second groove section 324, and the first groove section 322 extends between the two grooves The slot width between the portions 20 is larger than the slot width of the second slot segment 324 between the two extending portions 20 . At least one of the two extending parts 20 has two notches 22 , each of the notches 22 communicates with the first groove segment 322 of each guide groove and is adjacent to the second groove segment 324 of each guide groove, and the notches 22 are located in the first groove segment 322 at the corner. In this embodiment, the two extending portions 20 have two notches 22 respectively.

Each of the extending portions 20 has an anti-slip structure 26 , and the two anti-slip structures 26 are opposite to each other. In this embodiment, each of the anti-slip structures 26 is a plurality of ribs, and the ribs 262 are juxtaposed along the longitudinal axis. In addition, the lengths of the two extensions 20 in the longitudinal axis are different, that is, one is longer and the other is shorter. Each of the two extending portions 20 extends to form a blocking portion 24 on the facing surface, and the second blocking portion 24 faces the accommodating space 30 ; when the two extending portions 20 are pressed and are relatively close to each other, The distance between the second blocking portions 24 is reduced.

The at least one first buckle portion 40 is disposed on one of the extension portions 20 , the at least one second buckle portion 50 is disposed on the other extension portion 20 at a position corresponding to the first buckle portion 40 , and the second The buckle portion 50 is for buckled with the first buckle portion 40 . In this embodiment, the number of the first buckle portion 40 and the second buckle portion 50 is two respectively, and they are respectively located on two opposite sides of the corresponding extension portion 20 . The first buckle portion 40 is a buckle, and the second buckle portion 50 is a slot. The first buckle portion 40 has an inclined surface 402 on the side facing the second buckle portion 50 , the first buckle portion 40 has a clamping edge 404 at a position away from the second buckle portion 50 , and the clamping edge 404 is in a direction away from the main portion 10 . And it is inclined toward the direction away from the second buckle portion 50 .

FIG. 1 is a perspective view of the safety needle cover in the embodiment. Figure 4 is a top view of the safety needle cover in the embodiment. As shown in FIG. 1 and FIG. 4 , the extending portion 20 with a longer length includes an expanding section 206 on the opposite side away from the main section 10 . The expanding section 206 has one end 206 a, and the expanding section 206 has a The width gradually expands from the end portion 206a to the direction away from the end portion 206a. The tapered section 206 guides the fin 101 of the injection needle 100 when the injection needle 100 is retracted. In this embodiment, the outer peripheral surfaces of the two sides of the gradually expanding section 206 extend in an arc. In some embodiments of the present invention, the outer peripheral surfaces of the two sides of the gradually expanding section may also extend in a tapered shape.

In addition, in this embodiment, the extension portion 20 provided with the first buckle portion 40 includes a first segment 202 and a second segment 204 , the first segment 202 is connected to the main portion 10 , and the second segment 204 is provided with a first segment 204 . The buckle portion 40 , and the width of the second segment 204 is smaller than the width of the other extension portion 20 .

FIG. 5 is a schematic side view of the safety needle cover in the above embodiment when in use. FIG. 6 is a schematic cross-sectional view of the safety needle cover in the above embodiment when in use. As shown in FIGS. 5 and 6 , when using the safety needle cover 1 , first move the injection needle 100 so that the flap 101 is located in the first groove section 322 of the guide groove 32 , and the needle 102 is also stored in the accommodating space 30 at this time. . Then press the two extension parts 20 relative to each other, so that the two extension parts 20 are close to each other, and the first buckle part 40 and the second buckle part 50 are engaged, so that the needle of the injection needle 100 is restricted to the accommodating space 30 middle. Through the design of the expanding section 206 , the fin 101 of the injection needle 100 can enter the guide groove 32 between the two extending parts 20 along the expanding section 206 during the process of pulling the injection needle 100 back into the accommodating space 30 . , and during the movement of the fins 101 along the outer peripheral surface of the gradually expanding section 206 , the fins 101 can be guided to make the two fins 101 smoothly enter the two guide grooves 32 .

In particular, since the two extension parts 20 have the notches 22, the extension parts 20 can be easily deformed under pressure. The first buckle portion 40 abuts the periphery of the second buckle portion 50 with an inclined surface and enters the second buckle portion 50 , so that the first buckle portion 40 can easily enter the second buckle portion 50 . The clamping edge 404 of the first buckle portion 40 is designed to be inclined. After the first buckle portion 40 and the second buckle portion 50 are buckled together, the clamping edge of the first buckle portion 40 can be flat against the groove of the second buckle portion 50 . on the wall, which can effectively increase the clamping force. In addition, after the distance between the blocking portions 24 of the two extending portions 20 toward the accommodating space 30 is reduced, the position of the injection needle 100 in the accommodating space 30 can be further restricted, thereby reducing the possibility of the injection needle 100 sliding out. Chance. The width of the second segment 202 of the extension portion 20 provided with the first buckle portion 40 is relatively small, so the second segment 202 can be accommodated in the other extension portion 20 and block the second groove segment 324 of the guide groove 32 to avoid needles 102 slides out. The lengths of the two extending portions 20 in the long axis are different, which can reduce the chance of hitting the free ends 20b of the two extending portions 20 at the same time, resulting in the separation of the first buckle portion 40 and the second buckle portion 50 .

To sum up, the safety needle cover of the present invention is fastened by the first buckle portion 40 on the two extension portions 20 and the second buckle portion 50, which can effectively prevent the injection needle 100 from escaping the guide groove and cause the needle 102 to protrude safely. Danger of Needle Cover 1.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included within the protection scope of the present utility model.

Claims (13)

1. A safety needle guard for receiving a needle, wherein the needle has two wings and a needle; the safety needle guard is rectangular, contains:

a main section;

the two extending parts are connected to the main part, extend along the long axial direction, form an accommodating space between the two extending parts, and form two guide grooves extending along the long axial direction between the two extending parts; the two guide grooves are respectively used for the two wings of the injection needle to pass through; the two extending parts are relatively close to each other under the extrusion of external force;

at least one first buckle part arranged on one of the extension parts;

at least one second buckling part which is arranged on the other extension part and corresponds to the at least one first buckling part, and the at least one second buckling part is buckled with the at least one first buckling part;

when the two extending parts are extruded by external force and relatively approach, the first buckling part and the second buckling part are buckled, so that the needle head is limited in the accommodating space.

2. The safety needle sheath of claim 1, wherein the at least one first locking portion is a snap and the at least one second locking portion is a slot.

3. The safety needle guard according to claim 2, wherein the catch has an inclined surface, the catch being urged into the slot with the inclined surface against a periphery of the slot.

4. The safety needle guard according to claim 2, wherein the catch has a catch edge at a location facing away from the catch slot, the catch edge being inclined in a direction facing away from the main portion and towards the direction facing away from the catch slot.

5. The safety needle guard according to claim 1, wherein the two surfaces of the two extending portions respectively extend to form a blocking portion, and the blocking portions face the accommodating space; when the two extending parts are pressed by external force and relatively approach, the distance between the two blocking parts is reduced, so that the injection needle is limited in the accommodating space.

6. The safety needle sleeve according to claim 1, wherein each of said guide slots has a first slot section and a second slot section, said first slot section being located between said main portion and said second slot section; the groove width of the first groove section between the two extending parts is larger than that of the second groove section between the two extending parts; at least one of the two extensions has two notches, each of the notches communicates with the first channel section of each of the guide channels and is adjacent to the second channel section of each of the guide channels.

7. The safety needle sheath of claim 6, wherein both extensions have the two notches.

8. The safety needle guard according to claim 1, wherein each extension portion has a slip-resistant structure thereon, and the two slip-resistant structures are opposite to each other.

9. The safety needle sheath of claim 8, wherein each of the slip-resistant structures comprises a plurality of ribs, the ribs being axially aligned along the longitudinal axis.

10. The safety needle guard of claim 1, wherein the two extensions are not the same length in the long axis direction.

11. The safety needle guard according to claim 10, wherein the extension of greater length includes a diverging section on an opposite side from the main portion, the diverging section having an end portion, and the width of the diverging section diverging from the end portion in a direction away from the end portion.

12. The safety sheath of claim 11, wherein the outer peripheries of the sides of the diverging section extend in an arc.

13. The safety needle sheath of claim 1, wherein the extension portion on which the at least one first detent is provided comprises a first section connected to the main portion and a second section at which the at least one first detent is located, the second section having a width less than the width of the other extension portion.

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