CN219049867U - Straight-bending type anti-needling safety sheath - Google Patents
Straight-bending type anti-needling safety sheath Download PDFInfo
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- CN219049867U CN219049867U CN202221781917.6U CN202221781917U CN219049867U CN 219049867 U CN219049867 U CN 219049867U CN 202221781917 U CN202221781917 U CN 202221781917U CN 219049867 U CN219049867 U CN 219049867U
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- needle
- seat
- clamping
- protection arm
- needle head
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- 238000005452 bending Methods 0.000 title claims abstract description 21
- 210000000078 claw Anatomy 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a straight-bending type anti-needling safety sheath, and belongs to the technical field of syringes. Comprises a connecting part and a protecting arm; one side of the protection arm is open, and is hinged with the connecting part through a soft sheet, so that the needle and the needle seat can be accommodated in the protection arm, and a needle clamping structure and a needle seat clamping structure are arranged in the protection arm; the connecting part is sleeved at the bottom of the needle seat and is clamped and fixed with the fan-shaped flange at the bottom of the needle seat; the needle seat clamping structure comprises two first clamping claws which are respectively positioned at two sides of the needle seat and can be hooked on two opposite or adjacent ribs, and the two first clamping claws are oppositely arranged; when the needle is contained in the protection arm, the needle seat is clamped on the two first clamping claws, and the needle is clamped on the needle clamping structure; when the needle head upper cover is provided with a needle cap, the protection arm can be abutted against the needle cap. The needle seat and the connecting part adopt a split structure, and the molding is simple; the needle head clamping structure and the needle head seat clamping structure are adopted to respectively clamp and fix the needle head and the needle head seat, so that the needle head is more stable after being used.
Description
Technical Field
The utility model belongs to the technical field of syringes, and particularly relates to a straight-bending type anti-needling safety sheath.
Background
In modern medicine, it is normal to perform treatment by injection and transfusion, and the used syringe needle is sheathed in time to prevent accidental puncture and infection to a patient or medical staff, but in fact, the handling operation before discarding the syringe needle often has a low precision in controlling the tube flow, so that the syringe is accidentally punctured to infect viruses, and the used syringe is possibly recycled.
In the prior art, a needle protection sleeve can be arranged on the injector to protect the needle, and the existing needle protection sleeve comprises a connecting part which can be connected with a needle cylinder or a needle seat, a protection arm hinged on the connecting part, and the like, wherein one side of the protection arm is open and can store the needle in the protection arm.
A needle protection device is disclosed in the patent application No. CN201110270127.1, which includes a connecting portion, a protection arm, a hinge member, a pair of holding members formed on the proximal end portion of the protection arm and the connecting portion, respectively, and a pair of positioning arms, which can be engaged in a non-withdrawable manner. A pair of locator arms are formed on the proximal end of the guard arm and the connection portion, respectively, and are formed with at least one pair of complementary snap features that are detachably engageable.
The applicant has found the following problems when using the aforementioned needle protection device:
firstly, the protective arm, the connecting part and the needle seat are integrally formed, and the forming is complex;
secondly, only the clamping component is used for fixing the needle head, and the needle head is required to be matched with the positioning arm to achieve a good fixing effect, so that the structure is complex.
Disclosure of Invention
In order to solve the problems, the embodiment of the utility model provides a straight-bending type anti-needling safety sheath, wherein a needle seat and a connecting part are of a split type structure, and the shaping is simple; the needle head clamping structure and the needle head seat clamping structure are adopted to respectively clamp and fix the needle head and the needle head seat, so that the fixation is more stable, and a positioning arm is not required to be arranged. The technical scheme is as follows:
the embodiment of the utility model provides a straight-bending type anti-needling safety sheath, which comprises a connecting part 5 and a protective arm 6, wherein one side of the protective arm 6 is open and hinged with the connecting part 5 through a soft sheet 8, a needle head 2 can be contained in the protective arm, and a needle head clamping structure 9 is arranged in the protective arm; the connecting part 5 is sleeved at the bottom of the needle head seat 1 and is clamped and fixed with a fan-shaped flange at the bottom of the needle head seat 1; the protection arm 6 can also accommodate the needle seat 1 therein, and a needle seat clamping structure 10 for fixing the needle seat 1 is also arranged in the protection arm; the needle seat clamping structure 10 comprises two first clamping claws which are respectively positioned at two sides of the needle seat 1 and can be hooked on two opposite or adjacent ribs 3, and the two first clamping claws are oppositely arranged; when the needle head 2 is contained in the protection arm 6, the needle head seat 1 is clamped on the two first clamping claws, and the needle head 2 is clamped on the needle head clamping structure 9; when the needle 2 is covered with the needle cap 4, the protective arm 6 can be abutted against the needle cap 4.
Specifically, the needle clamping structure 9 in the embodiment of the utility model comprises a second claw which is arranged at one side of the needle 2 and can be hooked on the needle 2; when the needle head 2 is contained in the protection arm 6, the needle head 2 is clamped on the second claw.
The connecting part 5 in the embodiment of the utility model comprises an annular body 11, a containing groove 12 which is arranged at the top of the annular body 11 and can contain the bottom of the needle seat 1, a through hole 13 which is arranged at the bottom of the annular body 11 and can be penetrated by a luer head, and two clamping blocks 14 which are arranged on the inner wall of the containing groove 12 in an opposite manner, wherein the through hole 13, the containing groove 12 and the annular body 11 are coaxially arranged, the through hole 13 is communicated with the containing groove 12, and the clamping blocks 14 are positioned outside the needle seat 1; when the needle head seat 1 is fixed with the connecting part 5, the bottom of the needle head seat 1 is propped against the bottom of the accommodating groove 12, and the fan-shaped flange is clamped in a gap between the corresponding clamping block 14 and the bottom of the accommodating groove 12 by rotating the needle head seat 1.
Specifically, the protection arm 6 in the embodiment of the utility model comprises a base plate, two side plates at two sides of the base plate and an end plate between the upper ends of the two side plates, wherein the side plates and the end plate are both positioned at one side of the base plate close to the needle head 2, the lower end of the base plate is hinged with the connecting part 5 through a soft sheet 8, two first clamping claws are respectively fixed at the inner sides of the two side plates, and the second clamping claws are fixed at the inner sides of the base plate; when the needle head 2 is contained in the protection arm 6, the two first clamping claws are respectively clamped with the two opposite ribs 3, and the ribs 3 clamped with the first clamping claws are parallel to the substrate; when the protective arm 6 is attached to the needle cap 4, the lower ends of the two side plates are respectively positioned at two sides of the needle cap 4.
Preferably, the lower end of the side plate in the embodiment of the utility model is provided with a avoidance slope 7 to avoid the flange at the bottom of the needle cap 4, and the avoidance slope 7 is arranged from bottom to top to incline the needle cap 4.
Further, the protection arm 6 in the embodiment of the utility model is provided with a supporting rib 15 which is positioned on the substrate; the supporting ribs 15 are perpendicular to the protection arms 6 and are positioned below the needle seat clamping structure 10; when the needle 2 is accommodated in the protective arm 6, the needle seat 1 is propped against the supporting rib 15.
Preferably, the protection arm 6 in the embodiment of the present utility model is provided with reinforcing ribs 16 on both side plates, and both reinforcing ribs 16 are located between the needle head clamping structure 9 and the needle head seat clamping structure 10 and are located on both sides of the needle head 2 respectively.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a straight-bending type anti-needling safety sheath, wherein a needle seat and a connecting part are of a split type structure, and the shaping is simple; the needle head clamping structure and the needle head seat clamping structure are adopted to respectively clamp and fix the needle head and the needle head seat, so that the fixation is more stable, and a positioning arm is not required to be arranged. In addition, in the patent, the combination mode of the needle seat and the connecting part is simple; the protection arm can be attached to the needle cap so as to be convenient for packaging, and the protection arm is prevented from shaking.
Drawings
FIG. 1 is a schematic view of a straight-bending anti-needling safety sheath provided by an embodiment of the present utility model when a needle is not accommodated;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of a straight-bending anti-needling safety sheath according to an embodiment of the present utility model when a needle is accommodated;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
fig. 7 is a schematic structural view of a straight-bending type anti-needling safety sheath according to an embodiment of the present utility model when a protective arm is abutted against a needle cap.
In the figure: 1 needle seat, 2 needles, 3 ribs, 4 needle caps, 5 connecting parts, 6 protection arms, 7 avoidance inclined planes, 8 soft sheets, 9 needle clamping structures, 10 needle seat clamping structures, 11 annular bodies, 12 accommodating grooves, 13 through holes, 14 clamping blocks, 15 supporting convex ribs and 16 reinforcing convex ribs.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Example 1
The blood collection needle in this embodiment includes a needle holder 1, a needle 2 coaxially provided with the needle holder 1, a plurality of ribs 3 (usually 4) uniformly distributed on the peripheral surface of the needle holder 1, two fan-shaped flanges (perpendicular to the needle holder 1) provided opposite to each other at the bottom of the needle holder 1, and the like. Referring to fig. 1-7, an embodiment of the present utility model provides a straight-bending type anti-needling safety sheath including a connection portion 5 and a protective arm 6. The protection arm 6 is open at one side (the bottom is also open), and is hinged with the connecting part 5 through a soft sheet 8, and can accommodate the needle seat 1 and the needle 2 therein, and is provided with a needle head clamping structure 9 and a needle head seat clamping structure 10 therein. The needle head clamping structure 9 is positioned above the needle head seat clamping structure 10. The connecting part 5 is sleeved at the bottom of the needle head seat 1 and is clamped and fixed with a fan-shaped flange at the bottom of the needle head seat 1, and the connecting part 5 and the needle head seat 1 adopt a split structure. The needle mount engaging structure 10 includes two first claws which are respectively located at both sides of the needle mount 1 and can be hooked on two ribs 3 which are opposite or adjacent (which is the side far from the soft sheet 8), and the two first claws are oppositely disposed. When the needle head 2 is contained in the protection arm 6, the needle head seat 1 is clamped on the two first clamping jaws, and the needle head 2 is clamped on the needle head clamping structure 9. When the needle 2 is covered with the needle cap 4, the protective arm 6 can be abutted against the needle cap 4 to facilitate packaging. Further, the protective arm 6 has a wider opening in the lower portion and a narrower opening in the upper portion.
Specifically, referring to fig. 1-6, in this patent, since the needle holder 1 is fastened and fixed, the needle 2 only needs to be fixed by one claw. The needle locking structure 9 in the embodiment of the utility model comprises a second claw which is arranged on one side of the needle 2 and can be hooked on the needle 2. When the needle head 2 is contained in the protection arm 6, the needle head 2 is clamped on the second claw. Further, the substrate is provided with process holes corresponding to the two first clamping claws and the two second clamping claws so as to be convenient for molding.
Referring to fig. 1-6, the connection portion 5 in the embodiment of the present utility model includes an annular body 11 (coaxially disposed with the needle holder 1), a receiving groove 12 on the top of the annular body 11 and capable of receiving the bottom of the needle holder 1, a through hole 13 (a round hole larger than the luer) on the bottom of the annular body 11 and capable of allowing the luer to pass through, two clamping blocks 14 disposed on the inner wall of the receiving groove 12 and opposite to each other, and the through hole 13, the receiving groove 12 and the annular body 11 are coaxially disposed, the through hole 13 is communicated with the receiving groove 12, and the clamping blocks 14 are located outside the needle holder 1. The accommodating groove 12 in this embodiment is a circular groove larger than the bottom of the needle holder 1, and two arc-shaped notches through which the fan-shaped flanges can pass are relatively arranged on the circular groove so that the needle holder 1 can be conveniently placed in the bottom of the accommodating groove 12. The size of the clamping block 14 is to ensure that the needle holder 1 can be placed into the bottom of the accommodating groove 12. When the needle mount 1 is fixed to the connecting portion 5, the bottom of the needle mount 1 abuts against the bottom of the accommodating groove 12, and the fan-shaped flange (located below the corresponding clamping block 14) is clamped in the gap between the corresponding clamping block 14 and the bottom of the accommodating groove 12 by rotating (specifically, by 90 °) the needle mount 1.
Specifically, referring to fig. 1 to 6, the protection arm 6 in the embodiment of the present utility model includes a base plate, two side plates (perpendicular to the base plate) on both sides of the base plate, an end plate (perpendicular to the base plate) between the upper ends of the two side plates, and the like, where the side plates and the end plate are both located on one side of the base plate near the needle 2, and the lower end of the base plate is hinged to the connection portion 5 through a flexible sheet 8. The two first clamping claws are respectively fixed at the inner sides of the two side plates, and the second clamping claws are fixed at the inner sides of the base plates. When the needle 2 is accommodated in the protection arm 6, the two first claws are engaged with the two ribs 3 opposite to each other, and the ribs 3 engaged with the first claws are parallel to the substrate. When the protective arm 6 is attached to the needle cap 4, the lower ends of the two side plates are respectively positioned at two sides of the needle cap 4.
Preferably, referring to fig. 1, the lower end of the side plate in the embodiment of the present utility model is provided with a clearance inclined surface 7 to avoid the flange at the bottom of the needle cap 4, and the clearance inclined surface 7 is disposed from bottom to top inclined to the needle cap 4.
Further, referring to fig. 1-6, the protection arm 6 in the embodiment of the present utility model is provided with supporting ribs 15 (two, specifically, two, arranged side by side from top to bottom) on the substrate. The supporting ribs 15 are perpendicular to the protecting arms 6 and are located below the needle holder clamping structure 10. When the needle 2 is accommodated in the protective arm 6, the needle mount 1 is abutted against the supporting rib 15. The supporting ribs 15 also play a reinforcing role.
Preferably, referring to fig. 1-6, in the embodiment of the present utility model, the protection arm 6 is provided with reinforcing ribs 16 (perpendicular to the needle 2) on both side plates, and both reinforcing ribs 16 are located between the needle engaging structure 9 and the needle seat engaging structure 10 and are located on both sides of the needle 2 respectively.
The "first" and "second" in the embodiments of the present utility model only play a role in distinction, and have no other special meaning.
Example 2
Referring to fig. 1-3, the present embodiment is a state diagram of the straight-bending type anti-needling safety sheath when the needle is not accommodated, and the needle 1 is completely exposed.
Example 3
Referring to fig. 4-6, the present embodiment is a state diagram of the straight-bending type anti-needling safety sheath when accommodating a needle, in which the needle 2 is difficult to separate from the protection arm 6, and the needle is prevented from being reused.
Example 4
Referring to fig. 7, the present embodiment is a state diagram of the straight-bending type anti-needling safety sheath when the needle cap is abutted against the needle cap, and the needle cap and the protection arm form a V-shaped structure.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A straight-bending type anti-needling safety sheath, which comprises a connecting part (5) and a protection arm (6); one side of the protection arm (6) is open, the protection arm is hinged with the connecting part (5) through a soft sheet (8), the protection arm can accommodate the needle (2) therein, and a needle clamping structure (9) is arranged in the protection arm; the needle head is characterized in that the connecting part (5) is sleeved at the bottom of the needle head seat (1) and is clamped and fixed with a fan-shaped flange at the bottom of the needle head seat (1); the needle seat (1) can be accommodated in the protective arm (6), and a needle seat clamping structure (10) for fixing the needle seat (1) is also arranged in the protective arm; the needle head seat clamping structure (10) comprises two first clamping claws which are respectively positioned at two sides of the needle head seat (1) and can be hooked on two opposite or adjacent ribs (3), and the two first clamping claws are oppositely arranged; when the needle (2) is contained in the protection arm (6), the needle seat (1) is clamped on the two first clamping jaws, and the needle (2) is clamped on the needle clamping structure (9); when the needle head (2) is covered with the needle cap (4), the protection arm (6) can be abutted against the needle cap (4).
2. The straight-bending type anti-needling safety sheath according to claim 1, characterized in that the needle clamping structure (9) comprises a second claw which is arranged at one side of the needle (2) and can be hooked on the needle (2); when the needle head (2) is contained in the protection arm (6), the needle head (2) is clamped on the second clamping jaw.
3. The straight-bending type anti-needling safety sheath according to claim 1, wherein the connecting part (5) comprises an annular body (11), a containing groove (12) which is arranged at the top of the annular body (11) and can contain the bottom of the needle seat (1), a through hole (13) which is arranged at the bottom of the annular body (11) and can be penetrated by a luer head, and two clamping blocks (14) which are arranged on the inner wall of the containing groove (12) in an opposite manner, the through hole (13), the containing groove (12) and the annular body (11) are coaxially arranged, the through hole (13) is communicated with the containing groove (12), and the clamping blocks (14) are positioned outside the needle seat (1); when the needle head seat (1) is fixed with the connecting part (5), the bottom of the needle head seat (1) is propped against the bottom of the accommodating groove (12), and the fan-shaped flange is clamped in a gap between the corresponding clamping block (14) and the bottom of the accommodating groove (12) by rotating the needle head seat (1).
4. The straight-bending type anti-needling safety sheath according to claim 2, wherein the protection arm (6) comprises a base plate, two side plates at two sides of the base plate and an end plate between the upper ends of the two side plates, the side plates and the end plate are both positioned at one side of the base plate close to the needle head (2), the lower end of the base plate is hinged with the connecting part (5) through a soft sheet (8), two first clamping jaws are respectively fixed at the inner sides of the two side plates, and the second clamping jaw is fixed at the inner side of the base plate; when the needle head (2) is contained in the protection arm (6), the two first clamping claws are respectively clamped with the two opposite ribs (3), and the ribs (3) clamped with the first clamping claws are parallel to the substrate; when the protection arm (6) is attached to the needle cap (4), the lower ends of the two side plates are respectively positioned at two sides of the needle cap (4).
5. The straight-bending type anti-needling safety sheath according to claim 4, wherein the lower end of the side plate is provided with a avoidance inclined plane (7) to avoid a flange at the bottom of the needle cap (4), and the avoidance inclined plane (7) is arranged from bottom to top obliquely to the needle cap (4).
6. The straight-bending type anti-needling safety sheath according to claim 4, characterized in that the protective arm (6) is internally provided with a supporting rib (15) on the base plate; the supporting convex rib (15) is perpendicular to the protection arm (6) and is positioned below the needle seat clamping structure (10); when the needle (2) is contained in the protection arm (6), the needle seat (1) is propped against the supporting convex rib (15).
7. The straight-bending type anti-needling safety sheath according to claim 4, wherein the protection arm (6) is internally provided with reinforcing ribs (16) on two side plates, and the two reinforcing ribs (16) are respectively arranged between the needle head clamping structure (9) and the needle head seat clamping structure (10) and are respectively arranged on two sides of the needle head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221781917.6U CN219049867U (en) | 2022-07-12 | 2022-07-12 | Straight-bending type anti-needling safety sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221781917.6U CN219049867U (en) | 2022-07-12 | 2022-07-12 | Straight-bending type anti-needling safety sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219049867U true CN219049867U (en) | 2023-05-23 |
Family
ID=86363705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221781917.6U Active CN219049867U (en) | 2022-07-12 | 2022-07-12 | Straight-bending type anti-needling safety sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219049867U (en) |
-
2022
- 2022-07-12 CN CN202221781917.6U patent/CN219049867U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A straight bending anti puncture safety sheath Granted publication date: 20230523 Pledgee: Hubei Science and Technology Financing Guarantee Co.,Ltd. Pledgor: HUBEI MEIOU MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2024980013128 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |