Safety bifurcated needle

Abstract

A safety bifurcated needle comprises a bifurcated needle 100, where a protection outer housing 200 covers an outer side of the bifurcated needle. The protection outer housing includes a positioning component 210 configured to clamp around the middle part of the bifurcated needle. One end of the positioning component is detachably connected to a first protection housing 220, wherein the first protection housing protects one end of the bifurcated needle, and the other end of the positioning component is rotatably connected to a second protection housing 230, and the second protection housing protects the other end of the bifurcated needle. The positioning component may further comprise a rubber sheath 211 (Figure 2), wherein a positioning hole 2111 (Figure 2) is formed on an inner side of the rubber sheath. The rubber sheath may further comprise a first clamping groove 2112 (Figure 2).

Description

BACKGROUND OF THE INVENTION

[0001] 1. Technical Field

[0002] The present invention relates to the technical field of medical appliances, and in particular to a safety bifurcated needle.

[0003] 2. Description of Related Art

[0004] It is well known that a bifurcated needle provides a physician with a simple and effective means of vaccinating. The bifurcated needle has two needle tips, and in use, a vaccine is adhered between the two needle tips, and then the needle tips are placed in contact with the skin of a patient being vaccinated. As the skin is punctured by the needle tip, the vaccine is injected into the patient. After the bifurcated needle is manufactured, problems are how to protect the bifurcated needle before use, how to ensure that it maintains a safe and sterile state during storage and transportation, and how to reduce the risk of accidental needle pricking after use. Therefore, the present invention provides a safety bifurcated needle. BRIEF SUMMARY OF THE INVENTION

[0005] (I) Technical problems to be solved

[0006] In view of the deficiencies of the prior art, the present invention provides a safety bifurcated needle and ensures that the bifurcated needle maintains a safe and sterile state during storage and transportation before use, and can be wrapped after use to avoid the risk of accidental needle pricking.

[0007] (II) Technical solutions

[0008] To achieve the above purpose, embodiments of the present invention provide a safety bifurcated needle including a bifurcated needle, where a protection outer housing covers an outer side of the bifurcated needle; and the protection outer housing includes a positioning component (210) configured to clamp and position the middle part of the bifurcated needle, where one end of the positioning component is detachably connected to a first protection housing, the first protection housing protects one end of the bifurcated needle, the other end of the positioning component is rotatably connected to a second protection housing, and the second protection housing protects the other end of the bifurcated needle.

[0009] Preferably, the positioning component includes a rubber sheath, where a positioning hole is formed on an inner side of the rubber sheath, the rubber sheath is provided with a first clamping groove in a penetrating manner along the axial direction, and the first clamping groove is in communication with the positioning hole; a plurality of support poles, located on the inner side of the rubber sheath and outside the positioning hole, are distributed along the circumferential direction, a first support sleeve and a second support sleeve are respectively fixed at two ends of the support poles, a second clamping groove is provided respectively on the first support sleeve and the second support sleeve in a penetrating manner, and the second clamping groove is aligned with the first clamping groove; and the first support sleeve is connected to the first protection housing, and the second support sleeve is connected to the second protection housing.

[0010] Preferably, the width of the first clamping groove is less than the diameter of the bifurcated needle, the diameter of the positioning hole is equal to or less than that of the bifurcated needle, and the width of the second clamping groove is greater than the diameter of the bifurcated needle.

[0011] Preferably, the first support sleeve is in threaded connection to the first protection housing; and the second support sleeve is adhered to the second protection housing.

[0012] Preferably, the second protection housing includes a base, where a middle part of the base is provided with a mounting hole, and the mounting hole is connected to the second support sleeve; the base is provided with a third clamping groove, and the third clamping groove is in communication with the mounting hole and aligned with the second clamping groove; and a safety sheath is rotatably connected to one side of the base, the safety sheath is provided with a slot along the length direction, the width of the slot is greater than that of the bifurcated needle, and when the safety sheath is rotated, the bifurcated needle can enter the slot or slide out from the slot.

[0013] Preferably, a locking structure is provided between the safety sheath and the base, and when the safety sheath is rotated to be parallel to the first protection housing, one end of the safety sheath abuts the base, and the locking structure connects the safety sheath and the base.

[0014] Preferably, the locking structure includes a flange integrally formed at two sides of the base, one end, close to the base, of the safety sheath is integrally formed with a truncated pyramid, a clamping plate is respectively provided on one end face, away from the safety sheath, of the truncated pyramid and located at two sides of the third clamping groove, the clamping plate is L-shaped, and a locking groove is formed between the clamping plate and the truncated pyramid; and a slanted surface is formed on the lower side of the clamping plate, and when the safety sheath abuts the base, and the flange crosses the slanted surface and is clamped with the locking groove.

[0015] Preferably, a limiting structure is provided on the safety sheath and located in the slot, and when the bifurcated needle enters the slot, the limiting structure fixes and clamps the bifurcated needle.

[0016] Preferably, the limiting structure includes a first clamping block and a second clamping block provided on the inner side of the slot and located at two sides in the length direction, and when the bifurcated needle is embedded into the slot, the first clamping block and the second clamping block are located at two sides of the bifurcated needle and clamp the bifurcated needle.

[0017] Preferably, a hinge is provided between the base and the safety sheath at an interval, a V-shaped elastic connecting plate is connected between the hinge, and the hinge and the elastic connecting plate control the safety sheath to rotate relatively to the base.

[0018] (III) Beneficial effects

[0019] The present invention provides a safety bifurcated needle, where the bifurcated needle may be centrally positioned by means of a rubber sheath provided on the outer side of the bifurcated needle and protection for the bifurcated needle may be achieved by means of a first protection housing and a second protection housing on the outer side. It is ensured that the bifurcated needle maintains a safe and sterile state during storage and transportation before use. After use, the bifurcated needle may be conveniently placed on the inner side of the protection outer housing again by providing a rotatable second protection housing. The bifurcated needle is wrapped on the inner side of the protection outer housing to avoid the risk of accidental needle pricking with a bifurcated needle tip and to improve the safety of a recipient who needs the needle pricking and medical staff. BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

[0020] FIG. 1 is a schematic diagram of a safety bifurcated needle according to the present invention;

[0021] FIG. 2 is a schematic structural diagram of a rubber sheath;

[0022] FIG. 3 is a sectional view of a rubber sheath;

[0023] FIG. 4 is a schematic diagram emphasizing a second protection housing; and

[0024] FIG. 5 is a front view emphasizing a second protection housing.

[0025] Reference Numerals:

[0026] 100. bifurcated needle; 200. protection outer housing; 210. positioning component; 211. rubber sheath; 2111. positioning hole; 2112. first clamping groove; 212. support pole; 213. first support sleeve; 214. second support sleeve; 2141. second clamping groove; 220. first protection housing; 230. second protection housing; 231. base; 2311, mounting hole; 2312. third clamping groove; 232. safety sheath; 2321. slot; 233. locking structure; 2331. flange; 2332. truncated pyramid; 2333. clamping plate; 2334. locking groove; 234. limiting structure; 2341. first clamping block; 2342. second clamping block; 235. hinge; and 236. elastic connecting plate. DETAILED DESCRIPTION OF THE INVENTION

[0027] The technical solutions in the embodiments of the present invention are described clearly and completely in the following with reference to accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only part rather than all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the invention without any creative efforts shall fall within the protection scope of the invention.

[0028] Embodiment

[0029] The present invention provides a safety bifurcated needle, referring to FIGs 1 to 4, including a bifurcated needle 100, where a protection outer housing 200 covers an outer side of the bifurcated needle 100; and protection for the bifurcated needle 100 on the inner side may be achieved by means of the protection outer housing 200 on the outer side.

[0030] The protection outer housing 200 includes a positioning component 210 configured to clamp and position the middle part of the bifurcated needle 100, where one end of the positioning component 210 is detachably connected to a first protection housing 220, the first protection housing 220 protects one end of the bifurcated needle 100, the other end of the positioning component 210 is rotatably connected to a second protection housing 230, and the second protection housing 230 protects the other end of the bifurcated needle 100. During use, the bifurcated needle 100 is embedded on the positioning component 210, one end of the bifurcated needle 100 is located in the first protection housing 220, and the other end thereof is located in the second protection housing 230. Before use, protection for the bifurcated needle 100 on the inner side may be achieved, and after use, it is very convenient to open the second protection housing 230 and place the bifurcated needle 100 in the protection outer housing 200 again, thereby avoiding the risk of accidental needle pricking with a tip of the bifurcated needle 100 and improving the safety of a recipient who needs the needle pricking and medical staff.

[0031] Specifically, the positioning component 210 includes a rubber sheath 211, where a positioning hole 2111 is formed on an inner side of the rubber sheath 211, and the bifurcated needle 100 is clamped and fixed by means of the positioning hole 2111. The rubber sheath 211 is provided with a first clamping groove 2112 in a penetrating manner along the axial direction, where the above-mentioned “penetrating” refers to penetrating two ends thereof along the axial direction of the rubber sheath 211, and at the same time, the first clamping groove 2112 is in communication with the positioning hole 2111; and when connected, the rubber sheath 211 may be sleeved directly to the middle part of the bifurcated needle 100 by means of the first clamping groove 2112.

[0032] Further, the width of the first clamping groove 2112 is less than the diameter of the bifurcated needle 100, the diameter of the positioning hole 2111 is equal to or less than that of the bifurcated needle 100; and due to the elasticity of the rubber sheath 211, after being clamped, the bifurcated needle 100 can be elastically clamped to maintain the position thereof fixed.

[0033] A plurality of support poles 212, located on the inner side of the rubber sheath 211 and outside the positioning hole 2111, are distributed along the circumferential direction, a first support sleeve 213 and a second support sleeve 214 are respectively fixed at two ends of the support poles 212, a second clamping groove 2141 is provided respectively on the first support sleeve 213 and the second support sleeve 214 in a penetrating manner, and the second clamping groove 2141 is aligned with the first clamping groove 2112; and the width of the second clamping groove 2141 is greater than the diameter of the bifurcated needle 100. The first support sleeve 213 is connected to the first protection housing 220, and the second support sleeve 214 is connected to the second protection housing 230. By providing a plurality of support poles 212, and a first support sleeve 213 and a second support sleeve 214 on two ends, a connection may be formed with the first protection housing 220 and the second protection housing 230 at two sides, and after connection, an integral body is formed with the rubber sheath 211,so that the integral body has certain bending strength. The bifurcated needle 100 on the inner side can be protected while being positioned.

[0034] The first support sleeve 213 is in threaded connection to the first protection housing 220, and the second support sleeve 214 is adhered to the second protection housing 230.

[0035] The first protection housing 220 is in a tubular shape, one end, connected to the first support sleeve 213, of the first protection housing 220 is an opening, and the other end thereof is in a closed state; and when the bifurcated needle 100 enters the inner side of the protection outer housing 200, the end away from the pricking is located on the inner side of the first protection housing 220.

[0036] The second protection housing 230 includes a base 231, where a middle part of the base 231 is provided with a mounting hole 2311, and the base 231 is connected to the second support sleeve 214 by the means of the mounting hole 2311. The base 231 is provided with a third clamping groove 2312, and the third clamping groove 2312 is in communication with the mounting hole 2311 and aligned with the second clamping groove 2141. By providing the third clamping groove 2312, when the unused bifurcated needle 100 is packaged, by directly embedding into the first clamping groove 2112 by means of the middle part, the pricking end of the bifurcated needle 100 is located on the inner side of the second protection housing 230, and passes through the third clamping groove 2312 to enter the inner side of the mounting hole 2311.

[0037] A safety sheath 232 is rotatably connected to one side of the base 231, the safety sheath 232 is provided with a slot 2321 along the length direction, the width of the slot 2321 is greater than that of the bifurcated needle 100, and when the safety sheath 232 is rotated, the bifurcated needle 100 can enter the slot 2321 or slide out from the slot 2321. By rotatably providing the safety sheath 232, the bifurcated needle 100 may be covered. The bifurcated needle 100 may be protected before use, and when the pricking is finished, the safety sheath 232 may be opened directly and the bifurcated needle 100 is placed on the inner side of the protection outer housing 200 to avoid the risk of accidental needle pricking with a tip of the bifurcated needle 100, so that the bifurcated needle 100 can be safely recycled after use, and the safety of a recipient who needs the needle pricking and medical staff can be improved.

[0038] A locking structure 233 is provided between the safety sheath 232 and the base 231, and when the safety sheath 232 is rotated to be parallel to the first protection housing 220, one end of the safety sheath 232 abuts the base 231, and the locking structure 233 connects the safety sheath 232 and the base 231. By providing the locking structure 233, the locking structure 233 may lock the safety sheath 232 when the safety sheath 232 is rotated to cover the bifurcated needle 100, thereby preventing the safety sheath 232 from automatically opening during closure.

[0039] The locking structure 233 includes a flange 2331 integrally formed on two sides of the base 231, one end, close to the base 231, of the safety sheath 232 is integrally formed with a truncated pyramid 2332, a clamping plate 2333 is respectively provided on one end surface, away from the safety sheath 232, of the truncated pyramid 2332 and located on two sides of the slot 2321, the clamping plate 2333 is L-shaped, and a locking groove 2334 is formed between the clamping plate 2333 and the truncated pyramid 2332; and a slanted surface is formed on the lower side of the clamping plate 2333, and when the safety sheath 232 abuts the base 231, and the flange 2331 crosses the slanted surface and is clamped with the locking groove 2334.

[0040] A limiting structure 234 is provided on the safety sheath 232 and located in the slot 2321, and when the bifurcated needle 100 enters the slot 2321, the limiting structure 234 fixes and clamps the bifurcated needle 100. By providing the limiting structure 234, the bifurcated needle 100 may be further fixed.

[0041] The limiting structure 234 includes a first clamping block 2341 and a second clamping block 2342 provided on the inner side of the slot 2321 and located at two sides in the length direction, and when the bifurcated needle 100 is embedded into the slot 2321, the first clamping block 2341 and the second clamping block 2342 are located at two sides of the bifurcated needle 100 and clamp the bifurcated needle 100.

[0042] A hinge 235 is provided between the base 231 and the safety sheath 232 at an interval, a V-shaped elastic connecting plate 236 is connected between the hinge 235, and the hinge 235 and the elastic connecting plate 236 control the safety sheath 232 to rotate relatively to the base 231.

[0043] The present invention provides a safety bifurcated needle 100, and during package, the pricking needle is first embedded into the first clamping groove 2112, so that the pricking needle is elastically fixed. The first protection housing 220 is connected to the first support sleeve 213, one end of the bifurcated needle 100 is covered by the first protection housing 220, and then the second protection housing 230 is rotated to cover the other end of the bifurcated needle 100. In this case, the other end of the bifurcated needle 100 is located in the slot 2321, and at the same time, both sides of the bifurcated needle 100 are clamped and limited by the first clamping block 2341 and the second clamping block 2342 respectively. The safety sheath 232 is engaged with the base 231 by means of the locking structure 233. When the pricking of the bifurcated needle 100 is completed, the second protection housing 230 may be opened and the bifurcated needle 100 after pricking is placed into the protection outer housing 200 again.

[0044] The present invention provides a safety bifurcated needle 100, where the bifurcated needle 100 may be centrally positioned by means of a rubber sheath 211 provided on the outer side of the bifurcated needle 100 and protection for the bifurcated needle 100 may be achieved by means of a first protection housing 220 and a second protection housing 230 on the outer side. It is ensured that the bifurcated needle 100 maintains a safe and sterile state during storage and transportation before use. After use, the bifurcated needle 100 may be conveniently placed on the inner side of the protection outer housing 200 again by providing a rotatable second protection housing 230. The bifurcated needle 100 is wrapped on the inner side of the protection outer housing 200 to avoid the risk of accidental needle pricking with a tip of the bifurcated needle 100 and to improve the safety of a recipient who needs the needle pricking and medical staff.

[0045] In description of the present invention, it should be noted that orientations or positional relationships indicated by terms, such as “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer”, “front” and “rear” are based on orientations or positional relationships shown in the drawings, are to facilitate the description of the present invention and simplify the description merely, do not indicate or imply that the referred apparatuses or elements must have specific orientations and are constructed and operated in the specific orientations and thus should not be construed to limit the present invention. Moreover, terms like “first”, “second” and “third” are only used for description, and should not be considered as a designation or designation of relative importance.

[0046] In description of the present invention, it should be noted that unless otherwise expressly specified and defined, the terms “mounted”, “connected” and “coupled” should be understood broadly, for example, as fixed connection, detachable connection or integral connection; mechanical connection or electrical connection; direct connection, indirect connection through an intermediary medium or communicating between interiors of two elements. For those of ordinary skill in the art, the specific meaning of the terms in the present invention may be understood according to specific situations. The embodiments and features in the embodiments of the present invention may be combined with each other without conflict.

[0047] The above embodiments merely represent implementations of the present invention and are described in a more specific and detailed manner, but should not be understood to limit the patent scope of the present invention. It should be noted that several variations and improvements may also be made without departing from the concept of the present invention to those of ordinary skill in the art, and these variations and improvements should all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the appended claims.

Claims

1. A safety bifurcated needle assembly, characterized by comprising a bifurcated needle (100) and a protection outer housing (200), wherein the bifurcated needle (100) includes a distal end and a proximal end, the distal end is bifurcated, the protection outer housing (200) covers an outer side of the bifurcated needle (100);the protection outer housing (200) comprises a positioning component (210), a first protection housing (220) and a second protection housing (230), wherein the positioning component (210) is connected around the middle part of the bifurcated needle (100) and positions itself relative to the bifurcated needle (100) such that the protection outer housing (200) is arranged around the bifurcated needle (100), one end of the positioning component (210) is detachably connected to the first protection housing (220), the first protection housing (220) protects the proximal end of the bifurcated needle (100), other end of the positioning component (210) is rotatably connected to the second protection housing (230), the second protection housing (230) protects the bifurcated distal end of the bifurcated needle (100);the positioning component (210) comprises a rubber sheath (211), where a positioning hole (2111) is formed on an inner side of the rubber sheath (211), the bifurcated needle (100) is clamped and fixed by means of the positioning hole (2111), the rubber sheath (211) is provided with a first clamping groove (2112) in a penetrating manner along the axial direction, the first clamping groove (2112) is in communication with the positioning hole (2111), such that the rubber sheath (211) is sleeved directly to the middle part of the bifurcated needle (100) by means of the first clamping groove (2112).

2. The safety bifurcated needle assembly according to claim 1, characterized in that: a plurality of support poles (212), located on the inner side of the rubber sheath (211) and outside the positioning hole (2111), are distributed along the circumferential direction, a first support25 07 23sleeve (213) and a second support sleeve (214) are respectively fixed at two ends of the support poles (212), a second clamping groove (2141) is provided respectively on the first support sleeve (213) and the second support sleeve (214) in a penetrating manner, and the second clamping groove (2141) is aligned with the first clamping groove (2112); andthe first support sleeve (213) is connected to the first protection housing (220), and the second support sleeve (214) is connected to the second protection housing (230).

3. The safety bifurcated needle assembly according to claim 2, characterized in that: the width of the first clamping groove (2112) is less than the diameter of the bifurcated needle (100), the diameter of the positioning hole (2111) is equal to or less than that of the bifurcated needle (100), for elastically clamping the bifurcated needle; and the width of the second clamping groove (2141) is greater than the diameter of the bifurcated needle (100).

4. The safety bifurcated needle assembly according to claim 2, characterized in that: the first support sleeve (213) is in threaded connection to the first protection housing (220); andthe second support sleeve (214) is adhered to the second protection housing (230).

5. The safety bifurcated needle assembly according to claim 1, characterized in that: the second protection housing (230) comprises a base (231), wherein a middle part of the base (231) is provided with a mounting hole (2311), and the mounting hole (2311) is connected to the second support sleeve (214); the base (231) is provided with a third clamping groove (2312), and the third clamping groove (2312) is in communication with the mounting hole (2311) and aligned with the second clamping groove (2141); anda safety sheath (232) is rotatably connected to one side of the base (231), the safety sheath (232) is provided with a slot (2321) along the length direction, the width of the slot (2321) is greater than that of the bifurcated needle (100), and when the safety sheath (232) is rotated, the bifurcated needle (100) can enter the slot (2321) or slide out from the slot (2321).25 07 236. The safety bifurcated needle assembly according to claim 1, characterized in that: a locking structure (233) is provided between the safety sheath (232) and the base (231), and when the safety sheath (232) is rotated to be parallel to the first protection housing (220), one end of the safety sheath (232) abuts the base (231), and the locking structure (233) connects the safety sheath (232) to the base (231).

7. The safety bifurcated needle assembly according to claim 1, characterized in that: the locking structure (233) comprises a flange (2331) integrally formed on two sides of the base (231), one end, close to the base (231), of the safety sheath (232) is integrally formed with a truncated pyramid (2332), a clamping plate (2333) is respectively provided on one end surface, away from the safety sheath (232), of the truncated pyramid (2332) and located on two sides of the slot (2321), the clamping plate (2333) is L-shaped, and a locking groove (2334) is formed between the clamping plate (2333) and the truncated pyramid (2332); and a slanted surface is formed on the lower side of the clamping plate (2333), and when the safety sheath (232) abuts the base (231), and the flange (2331) slides over the slanted surface and is clamped with the locking groove (2334).

8. The safety bifurcated needle assembly according to claim 1, characterized in that: a limiting structure (234) is provided on the safety sheath (232) and located in the slot (2321), and when the bifurcated needle (100) enters the slot (2321), the limiting structure (234) fixes and clamps the bifurcated needle (100).

9. The safety bifurcated needle assembly according to claim 1, characterized in that: the limiting structure (234) comprises a first clamping block (2341) and a second clamping block (2342) provided on the inner side of the slot (2321) and located at two sides in the length direction, and when the bifurcated needle (100) is embedded into the slot (2321), the first clamping block (2341) and the second clamping block (2342) are located at two sides of thebifurcated needle (100) and clamp the bifurcated needle (100).

10. The safety bifurcated needle assembly according to claim 1, characterized in that: a hinge (235) is provided between the base (231) and the safety sheath (232) at an interval, a V-shaped elastic connecting plate (236) is connected between the hinge (235), and the hinge (235) and the elastic connecting plate (236) control the safety sheath (232) to rotate relatively to the base (231).25 07 23

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