CN219049868U - Spring-buckling type anti-needling safety sheath - Google Patents
Spring-buckling type anti-needling safety sheath Download PDFInfo
- Publication number
- CN219049868U CN219049868U CN202221781954.7U CN202221781954U CN219049868U CN 219049868 U CN219049868 U CN 219049868U CN 202221781954 U CN202221781954 U CN 202221781954U CN 219049868 U CN219049868 U CN 219049868U
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- Prior art keywords
- needle
- protective sleeve
- seat
- connecting part
- clamping
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- 230000001681 protective effect Effects 0.000 claims abstract description 73
- 210000000078 claw Anatomy 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 2
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 238000013459 approach Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 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
- 239000003814 drug Substances 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a spring-buckling type anti-needling safety sheath, and belongs to the technical field of medical equipment. The needle comprises a connecting part and a protective sleeve, wherein the connecting part is detachably arranged on a needle seat; one side of the protective sleeve is open, the protective sleeve is hinged with the connecting part through a soft sheet, the needle seat and the needle can be accommodated in the protective sleeve, a needle clamping structure and a needle seat clamping structure are arranged in the protective sleeve, the protective sleeve can be abutted on the needle cap, and two clamping sheets capable of clamping the needle cap are arranged on two sides of the lower part of the protective sleeve; a V-shaped elastic sheet which can enable the protective sleeve to move towards the needle head is arranged between the connecting part and the protective sleeve and at the soft sheet; when the needle head is covered with the needle cap, the protective sleeve is abutted against the needle cap and is clasped on the needle cap by the clasping sheet. The protective cover is pushed by a little force, so that the protective cover automatically approaches to the needle under the action of the V-shaped elastic sheet, and the operation is easy; meanwhile, the protective sleeve is tightly held on the needle cover by the holding piece, so that the volume of the whole product is reduced, and the packaging is easy.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a spring buckle 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 capable of being connected with a needle seat, a protection sleeve hinged on the connecting part and the like; one side of the protective sleeve is open, the needle head and the needle head seat can be contained in the protective sleeve, and the protective sleeve is provided with a needle head clamping structure and a needle head seat clamping structure.
A safety needle sheath is disclosed in the patent application number CN201821456453.5, comprising: the needle sleeve body is internally provided with a containing groove capable of containing the needle tube, and the front end of the needle sleeve body is provided with an opening part communicated with the containing groove; needle fixing piece: the fixing hole is provided with a bayonet matched with a pintle reinforcing rib of the needle head; the first clamping block is a symmetrical bulge which is respectively arranged on two side walls of the opening part; the second clamping block is a bulge which is respectively arranged on two side walls of the accommodating groove, and triangular plates capable of buckling the needle peduncles are arranged on two opposite sides of the second clamping block.
The applicant found the following problems when using the aforementioned safety needle sheath:
firstly, the safety needle sleeve needs to be packaged in a corresponding packaging bag or packaging box and the like when not used, and when the protective cover is not combined with the needle head, the safety needle sleeve has larger volume and is inconvenient to package;
secondly, when the protective cover is combined with the needle head, the protective cover needs to be pushed to the needle head manually in the whole process.
Disclosure of Invention
In order to solve the problems, the embodiment of the utility model provides the elastic buckle type needle-punching-preventing safety sheath, and the safety sheath automatically approaches to the needle head under the action of the V-shaped elastic sheet only by slightly pushing the safety sheath with force, so that the operation is easy; meanwhile, the protective sleeve is tightly held on the needle cover by the holding piece, so that the volume of the whole product is reduced, and the packaging is easy. The technical scheme is as follows:
the embodiment of the utility model provides a spring buckle type needle-punching-preventing safety sheath, which comprises a connecting part 5 and a protective sleeve 6, wherein the connecting part 5 is detachably arranged on a needle seat 1; one side of the protective sleeve 6 is open, and is hinged with the connecting part 5 through a soft sheet 8, so that the needle seat 1 and the needle 2 can be accommodated in the protective sleeve, and a needle clamping structure 9 and a needle seat clamping structure 10 are arranged in the protective sleeve; a V-shaped spring piece 7 which can enable the protective sleeve 6 to move towards the needle head 2 is arranged between the connecting part 5 and the protective sleeve 6 and at the soft sheet 8; the protective sleeve 6 can be attached to the needle cap 4, and two holding pieces 15 capable of holding the needle cap 4 are arranged on two sides of the lower part of the protective sleeve; when the needle head 2 is covered with the needle cap 4, the protective sleeve 6 is abutted against the needle cap 4 and is tightly held on the needle cap 4 through the holding piece 15.
Specifically, the V-shaped spring 7 in the embodiment of the present utility model is located below the middle of the soft sheet 8, and is open towards the soft sheet 8, and the upper ends of the two arms are hinged with the connecting part 5 and the protective sleeve 6 respectively; the middle part of the soft sheet 8 is provided with a process hole.
The needle seat clamping structure 10 in the embodiment of the utility model comprises two first clamping claws which are respectively positioned at two sides of the needle seat 1 and can be hooked on two opposite ribs 3, wherein the two first clamping claws are oppositely arranged; when the needle head seat 1 is contained in the protective sleeve 6, the two ribs 3 on the needle head seat 1 are respectively clamped on the two first clamping claws.
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 protective sleeve 6, the needle head 2 is clamped on the second clamping jaw.
The connecting part 5 in the embodiment of the utility model is sleeved at the bottom of the needle head seat 1 and is clamped and fixed with the fan-shaped flange at the bottom of the needle head seat 1.
Specifically, the connecting part 5 in the embodiment of the utility model comprises an annular body 11, a containing groove 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 and are opposite to each other, wherein the through hole 13, the containing groove and the annular body 11 are coaxially arranged, the through hole 13 is communicated with the containing groove, 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, and the fan-shaped flange is clamped in the gap between the corresponding clamping block 14 and the bottom of the accommodating groove by rotating the needle head seat 1.
The protective sleeve 6 in the embodiment of the utility model comprises a base plate, two side plates at two sides of the base plate, an end plate between the upper ends of the two side plates and a holding sheet 15 at the lower part of the side plates, wherein the side plates and the end plate are 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, the second clamping claws are fixed at the inner sides of the base plate, and holding protrusions 12 are arranged at the inner sides of the holding sheet 15; when the protective sleeve 6 is attached to the needle cap 4, two holding pieces 15 are respectively positioned on two sides of the needle cap 4, and the holding protrusions 12 on the holding pieces are propped against the corresponding sides of the needle cap 4.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides the elastic buckle type needle-punching-preventing safety sheath, and the safety sheath automatically approaches to the needle head under the action of the V-shaped elastic sheet only by slightly pushing the safety sheath with force, so that the operation is easy; meanwhile, the protective sleeve is tightly held on the needle cover by the holding piece, so that the volume of the whole product is reduced, and the packaging is easy.
Drawings
Fig. 1 is a schematic structural view of a snap-on anti-needling safety sheath according to 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 schematic view of a structure of a snap-on anti-needling safety sheath according to an embodiment of the present utility model when a needle is accommodated;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic structural view of a snap-on anti-needling safety sheath according to an embodiment of the present utility model when the protective sheath is attached to a needle cap.
In the figure: 1 needle seat, 2 needles, 3 ribs, 4 needle caps, 5 connecting parts, 6 protective sleeves, 7V-shaped elastic sheets, 8 soft sheets, 9 needle clamping structures, 10 needle seat clamping structures, 11 annular bodies, 12 holding protrusions, 13 through holes, 14 clamping blocks and 15 holding sheets.
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. 1-5, an embodiment of the present utility model provides a snap-on needle-penetration-preventing safety sheath, which comprises a connecting portion 5 and a protective sheath 6, wherein the connecting portion 5 is detachably arranged on a needle holder 1. The protective sleeve 6 has an opening on one side (a side close to the needle 2 and an opening on the bottom) 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 a needle clamping structure 9 for fixing the needle 2 and a needle seat clamping structure 10 for fixing the needle seat 1 are sequentially arranged in the protective sleeve from top to bottom. When the needle 2 is contained in the protective sleeve 6, the needle seat 1 and the needle 2 are respectively clamped on the needle seat clamping structure 10 and the needle clamping structure 9. The structure is basically the same as that of the existing safety sheath, and the difference is that: a V-shaped spring piece 7 which can enable the protective sleeve 6 to move towards the needle head 2 is arranged between the connecting part 5 and the protective sleeve 6 and at the soft sheet 8 in the embodiment; the V-shaped elastic sheet 7 is a plastic sheet integrally formed with the connecting part 5 and the protective sleeve 6; when the protective sleeve 6 does not house the needle holder 1 and the needle 2 therein, the opening of the V-shaped spring 7 is small and stores elastic energy which brings the two arms thereof close to each other. The protective sleeve 6 can be attached to the needle cap 4, and two holding pieces 15 (which are respectively positioned at two sides of the needle cap 4 and are integrally formed with the protective sleeve 6) capable of holding the needle cap 4 are arranged at two sides of the lower part of the protective sleeve. When the needle 2 is covered with the needle cap 4, the protective sleeve 6 is abutted against the needle cap 4 so as to be convenient for packaging and is tightly held on the needle cap 4 through the holding piece 15. The V-shaped spring 7 in this embodiment can provide an elastic force for inward rotation of the protective sleeve 6, so that the protective sleeve 6 is easier to approach the needle 2 and the needle cap 4.
In particular, referring to fig. 1-5, the V-shaped dome 7 in the embodiment of the utility model is located below the middle of the flexible sheet 8, which is open towards the flexible sheet 8, with the upper ends of its two arms hinged (by the flexible sheet) to the connection 5 and the protective sheath 6, respectively. The middle part of the soft sheet 8 is provided with a process hole for processing.
Referring to fig. 3-4, the needle holder engaging structure 10 in the embodiment of the present utility model includes two first claws that are respectively located at two sides of the needle holder 1 and can be hooked on two opposite ribs 3, where the two first claws are disposed opposite to each other. When the needle holder 1 is contained in the protective sleeve 6, the two ribs 3 on the needle holder 1 are respectively clamped on the two first clamping claws. The needle engaging structure 9 comprises a second claw which is on one side of the needle 2 and can be hooked on the needle 2. When the head 2 is contained in the protective sleeve 6, the needle 2 is clamped on the second clamping jaw. 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.
The connecting part 5 in the embodiment of the utility model is sleeved at the bottom of the needle head seat 1 and is clamped and fixed with the fan-shaped flange at the bottom of the needle head seat 1.
Referring specifically to fig. 1-5, the connecting portion 5 in the embodiment of the present utility model includes an annular body 11, a receiving groove on top of the annular body 11 and capable of receiving the bottom of the needle holder 1, a through hole 13 on the bottom of the annular body 11 and capable of allowing the luer to pass through, two clamping blocks 14 on the inner wall of the receiving groove and arranged opposite to each other, and the like. Wherein the through hole 13 is a round hole larger than the luer head; the accommodating groove is a circular groove larger than the bottom of the needle head seat 1, and two arc-shaped notches through which the fan-shaped flanges can pass are oppositely arranged on the accommodating groove so that the needle head seat 1 can be conveniently placed into the bottom of the accommodating groove. The through hole 13, the accommodating groove and the annular body 11 are coaxially arranged, and the through hole 13 is communicated with the accommodating groove. The clamping block 14 is positioned outside the needle seat 1, and the size of the clamping block 14 is required to ensure that the needle seat 1 can be placed into the bottom of the accommodating groove. 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, and the needle head seat 1 rotates by 90 degrees to enable the fan-shaped flange (which is positioned below the adjacent part of the corresponding clamping block 14) to be clamped in the gap between the corresponding clamping block 14 and the bottom of the accommodating groove.
Referring to fig. 1-5, the protective sleeve 6 in the embodiment of the utility model includes a base plate, two side plates (perpendicular to the base plate) on two sides of the base plate, an end plate (perpendicular to the base plate) between the upper ends of the two side plates, a holding piece 15 (coplanar with the side plates) on the lower part of the side plates, and the like, wherein the side plates and the end plate are both positioned on one side of the base plate near the needle 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 on the inner sides of the two side plates, and a second clamping claw is fixed on the inner side of the base plate. The inner side of the holding piece 15 (specifically, the end far from the base plate) is provided with a holding protrusion 12. When the protective sleeve 6 is attached to the needle cap 4, the two holding pieces 15 are respectively positioned on two sides of the needle cap 4, and the holding protrusions 12 on the two holding pieces are propped against the corresponding sides of the needle cap 4. Specifically, when the needle holder 1 is engaged with the needle holder engaging structure 10, the rib 3 engaged with the first claw is parallel to the substrate.
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. 1-2, the present embodiment is a state diagram of the snap-type anti-needling safety sheath when the needle is not accommodated, the needle 2 is completely exposed, the protective sheath 6 and the needle mount 1 are vertically arranged, and the V-shaped spring 7 is compressed.
Example 3
Referring to fig. 3-4, the present embodiment is a state diagram of the snap-on needle-stick prevention safety sheath when accommodating a needle, in which the needle 2 is difficult to separate from the protective sheath 6, avoiding reuse of the needle.
Example 4
Referring to fig. 5, this embodiment is a state diagram of the snap-type anti-needling safety sheath when it is attached to the needle cap, and when not in use, the clasping sheet 15 clasps the needle cap 4 to form a V-like 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. The elastic buckle type needle penetration prevention safety sheath comprises a connecting part (5) and a protective sleeve (6), wherein the connecting part (5) is detachably arranged on a needle seat (1); one side of the protective sleeve (6) is open, the protective sleeve is hinged with the connecting part (5) through a soft sheet (8), the needle seat (1) and the needle (2) can be contained in the protective sleeve, and a needle clamping structure (9) and a needle seat clamping structure (10) are arranged in the protective sleeve; the needle is characterized in that a V-shaped elastic sheet (7) which can enable the protective sleeve (6) to move towards the needle head (2) is arranged between the connecting part (5) and the protective sleeve (6) and at the soft sheet (8); the protective sleeve (6) can be abutted on the needle cap (4), and two clamping sheets (15) which can clamp the needle cap (4) are arranged on two sides of the lower part of the protective sleeve; when the needle head (2) is covered with the needle cap (4), the protective sleeve (6) is attached to the needle cap (4) and is clasped on the needle cap (4) through the clasping sheet (15).
2. The elastic buckle type anti-needling safety sheath according to claim 1, characterized in that the V-shaped elastic sheet (7) is positioned below the middle part of the soft sheet (8), is opened towards the soft sheet (8), and the upper ends of the two arms are respectively hinged with the connecting part (5) and the protective sleeve (6); the middle part of the soft sheet (8) is provided with a process hole.
3. The snap-on needle penetration-preventing safety sheath according to claim 2, characterized in that the needle holder snap-on structure (10) comprises two first jaws which are respectively positioned at both sides of the needle holder (1) and can be hooked on two opposite ribs (3), the two first jaws being arranged opposite each other; when the needle head seat (1) is contained in the protective sleeve (6), the two ribs (3) on the needle head seat (1) are respectively clamped on the two first clamping claws.
4. The snap-on anti-needle penetration safety sheath according to claim 1, characterized in that the needle snap-on structure (9) comprises a second jaw on one side of the needle (2) and capable of hooking onto the needle (2); when the needle head (2) is contained in the protective sleeve (6), the needle head (2) is clamped on the second clamping jaw.
5. The elastic buckle type anti-needling safety sheath according to claim 1, wherein the connecting part (5) is sleeved at the bottom of the needle seat (1) and is clamped and fixed with a fan-shaped flange at the bottom of the needle seat (1).
6. The elastic buckle type anti-needling safety sheath according to claim 5, wherein the connecting part (5) comprises an annular body (11), a containing groove 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 and are opposite, the through hole (13), the containing groove and the annular body (11) are coaxially arranged, the through hole (13) is communicated with the containing groove, 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, and the fan-shaped flange is clamped in a gap between the corresponding clamping block (14) and the bottom of the accommodating groove by rotating the needle head seat (1).
7. The elastic buckle type anti-needling safety sheath according to claim 4, wherein the protective sleeve (6) comprises a base plate, two side plates at two sides of the base plate, an end plate between the upper ends of the two side plates and a holding piece (15) at the lower part of the side plates, wherein the side plates and the end plate are 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, the second clamping claws are fixed at the inner sides of the base plate, and holding bulges (12) are arranged at the inner sides of the holding piece (15); when the protective sleeve (6) is attached to the needle cap (4), the two holding pieces (15) are respectively positioned on two sides of the needle cap (4), and the holding protrusions (12) on the two holding pieces are propped against the corresponding sides of the needle cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221781954.7U CN219049868U (en) | 2022-07-12 | 2022-07-12 | Spring-buckling type anti-needling safety sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221781954.7U CN219049868U (en) | 2022-07-12 | 2022-07-12 | Spring-buckling type anti-needling safety sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219049868U true CN219049868U (en) | 2023-05-23 |
Family
ID=86362405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221781954.7U Active CN219049868U (en) | 2022-07-12 | 2022-07-12 | Spring-buckling type anti-needling safety sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219049868U (en) |
-
2022
- 2022-07-12 CN CN202221781954.7U patent/CN219049868U/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 buckle type 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 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |