CN219184166U

CN219184166U - Self-pulling needle head sharp tool barrel

Info

Publication number: CN219184166U
Application number: CN202222521061.5U
Authority: CN
Inventors: 李玉善
Original assignee: Cancer Hospital and Institute of CAMS and PUMC
Current assignee: Cancer Hospital and Institute of CAMS and PUMC
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-16
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a self-pulling needle sharp tool barrel, which relates to the technical field of medical equipment and comprises a barrel body and a top cover, wherein the top of the barrel body is clamped with the top cover, a needle pipe hole is formed in the middle of one side of the top cover, a cutting groove is formed in the middle of the other side of the top cover, a cutting structure is arranged in an inner cavity of the cutting groove, the cutting structure comprises a moving block, a cutter and a spring, the other end of the spring is fixedly connected with the side wall of the cutting groove, the top of the cutting groove is fixedly connected with a sealing plate, the middle of the top of the sealing plate is fixedly connected with a moving handle, and the top end of the inner cavity of the barrel body is provided with a needle pulling structure. The needle head and the injection needle tube can be separated quickly by a user through the setting of the needle pulling structure, the needle head and the infusion tube can be separated quickly by the user through the setting of the cutting structure, and the residual liquid in the injection needle tube and the infusion tube cannot splash in the process of taking down the needle head.

Description

Self-pulling needle head sharp tool barrel

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a self-pulling needle sharp tool barrel.

Background

The syringe and the infusion tube are consumable materials commonly used in hospitals, and when the syringe or the infusion tube with the needle is discarded; to prevent the needle from being pricked to medical waste disposal personnel, the medical personnel typically remove the needle and place it solely in the sharps container; however, as the infusion tube and the needle are closely nested together, the common method for taking down the needle on the infusion tube is to manually cut the infusion tube by scissors, so that other tools are needed to be additionally used, the operation is relatively troublesome, and in the cutting process, the residual liquid in the infusion tube is easy to splash out, so that the surrounding environment is polluted;

however, the research finds that when the needle head on the injector is manually taken down, the operation is difficult, the needle head is easy to stab, the needle heads in the sharps barrel are randomly placed together under the action of gravity, and the loading capacity of the sharps barrel is reduced.

Disclosure of Invention

The utility model provides a self-pulling needle head sharp tool barrel, which solves the problems that the sharp tool barrel provided in the background art is single in function, a needle head falls into the sharp tool barrel under the action of gravity, the loading capacity of the sharp tool barrel is reduced, and the needle head is not easy to take down.

The utility model provides the following technical scheme:

the utility model provides a self-pulling needle sharp tool barrel which comprises a barrel body and a top cover, wherein the top of the barrel body is connected with the top cover in a clamping mode, a needle pipe hole is formed in the middle of one side of the top cover, a cutting groove is formed in the middle of the other side of the top cover, and a cutting structure is arranged in an inner cavity of the cutting groove;

the cutting structure comprises a movable block movably connected with the side wall of the cutting groove, a cutter fixedly connected with the middle part of one side of the movable block and a spring fixedly connected with the other side of the movable block, and the other end of the spring is fixedly connected with the side wall of the cutting groove; the top of the cutting groove is fixedly connected with a sealing plate, the middle of the top of the sealing plate is fixedly connected with a movable handle, the top end of the inner cavity of the barrel body is provided with a needle pulling structure, and the needle pulling structure is positioned under the needle pipe hole;

the needle pulling structure comprises a supporting rod, a clamping tongue movably connected with the supporting rod through a round rod and a limiting block fixedly connected with the top of the end part of the supporting rod, wherein a torsion spring is movably sleeved on the outer ring of the round rod, one end of the torsion spring is fixedly connected with the supporting rod, and the other end of the torsion spring is fixedly connected with the clamping tongue;

the inner cavity of the barrel body is internally connected with an extrusion plate through screw threads.

Preferably, the screw rods are two, the end parts of the screw rods are movably connected with the barrel body, one ends of the two screw rods are all extended to the outer side of the barrel body, the end of the screw rod is fixedly connected with a synchronous wheel, the two synchronous wheels are in transmission connection through a synchronous belt, and the middle part of the other surface of one synchronous wheel is fixedly connected with a rotating handle.

Preferably, an observation window is inlaid on one side of the barrel body, and a knife groove matched with the cutter is formed in the middle of the side wall of the cutting groove, which is close to the cutter.

Preferably, the middle parts of the two ends of the moving block are fixedly connected with positioning plates, the positioning plates are positioned between the cutter and the springs, and sliding grooves matched with the positioning plates are formed in the side walls of the cutting grooves.

Preferably, the stripper plate is located the below of drawing out needle structure, the equal fixedly connected with screw thread piece in both ends at stripper plate top, screw thread piece and lead screw threaded connection.

Preferably, the two clamping tongues are arranged, one end of each clamping tongue connected with the round rod is semicircular, and the other ends of the two clamping tongues form an inverted eight-shaped structure.

Preferably, the top of round bar is inlayed and is had the magnet piece, the inboard both ends of bracing piece all are equipped with the circular slot with the round bar adaptation, and the top in circular slot is inlayed and is had another magnet piece.

Compared with the prior art, the utility model has the following beneficial effects:

this from drawing syringe needle edge tool bucket through the setting of drawing out needle structure, and the user can be quick separates syringe needle and injection needle tube, through the setting of tailorring the structure, the user can be quick separates syringe needle and transfer line, and the syringe needle is taken off the in-process, and the remaining liquid in injection needle tube and the transfer line can not splash.

This self-pulling needle head edge tool bucket through the setting of lead screw and stripper plate, and the rotation of lead screw can make the stripper plate remove, and the stripper plate can extrude the needle in this edge tool bucket, reduces the clearance between the needle, improves the loading of this edge tool bucket, the use of this edge tool bucket of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model shown in FIG. 1;

FIG. 3 is a schematic view of the inside of the barrel body with the structure of the present utility model;

FIG. 4 is an exploded view of the structural brace and round bar of the present utility model;

FIG. 5 is an exploded view of the structural cap of the present utility model;

FIG. 6 is a schematic view of the needle separated from the syringe barrel during use of the present utility model.

In the figure: 1. a tub body; 2. a top cover; 3. a needle tube hole; 4. cutting grooves; 5. a sealing plate; 6. a spring; 7. a knife slot; 8. a cutter; 9. a moving handle; 10. a moving block; 11. a synchronous belt; 12. a synchronizing wheel; 13. a rotating handle; 14. an extrusion plate; 15. a round bar; 16. a clamping tongue; 17. a torsion spring; 18. a limiting block; 19. an observation window; 20. a screw rod; 21. a support rod; 22. a positioning plate; 23. a screw block; 24. a magnet block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides a self-pulling needle head sharp tool barrel which comprises a barrel body 1, wherein the barrel body 1 is used for storing a needle head, and a needle pulling structure is arranged on one side of the top end of an inner cavity of the barrel body 1;

the needle pulling structure comprises two supporting rods 21, two clamping tongues 16 and two limiting blocks 18, one ends of the supporting rods 21 are fixed with the inner wall of the barrel body 1 in a welding mode and the like, round grooves are formed in two ends of the inner side of the supporting rods 21, and magnet blocks 24 are embedded in the tops of inner cavities of the round grooves. The tops of the two ends of the supporting rod 21 are fixedly connected with limiting blocks 18 in a welding mode and the like.

One end of the clamping tongue 16 is semicircular, the bottom of the limiting block 18 is contacted with the top of the clamping tongue 16, the clamping tongue 16 can rotate towards one end far away from the limiting block 18 through the arrangement of the shape of the clamping tongue 16, so that a needle can conveniently move to the lower side of the clamping tongue 16, and the other ends of the two clamping tongues 16 form an inverted eight structure; the middle part of the end of the clamping tongue 16 is fixedly connected with a round rod 15 in a welding mode and the like, the other end of the round rod 15 is movably connected with the inner cavity of the round groove, the top of the other end of the round rod 15 is embedded with another magnet block 24, and the two magnet blocks 24 are arranged; when the latch 16 is in a horizontal state, the two magnet blocks 24 can magnetically attract each other, and the attraction between the two magnet blocks 24 and the gravity of the latch 16 are a set of balance forces, so that the latch 16 can be kept in a horizontal state.

The outer ring of the round rod 15 is movably sleeved with a torsion spring 17, one end of the torsion spring 17 is fixedly connected with the support rod 21 in a welding mode, the other end of the torsion spring 17 is fixedly connected with the clamping tongue 16 in a welding mode, and the resilience force of the torsion spring 17 can assist the clamping tongue 16 to reset through the arrangement of the torsion spring 17.

Referring to fig. 1 to 3, two sides of the top end of the inner cavity of the barrel body 1 are movably connected with a screw rod 20, an outer ring of the screw rod 20 is in threaded connection with a threaded block 23, the bottom of the threaded block 23 is connected with the top of the extrusion plate 14 in a welding mode and the like, and the bottom of the threaded block 23 is fixedly connected with the top of the extrusion plate 14; the other side edges of the extrusion plate 14 are in contact with the inner wall of the barrel body 1, and the rotation of the screw rod 20 can enable the extrusion plate 14 to move in the inner cavity of the barrel body 1. When the sharp tool barrel is used, the extruding plate 14 can extrude the needle heads, so that the gap between the needle heads is reduced, and the loading capacity of the sharp tool barrel is improved.

One end of each of the two screw rods 20 extends to the outer side of the barrel body 1, the end of each screw rod 20 is fixedly connected with a synchronizing wheel 12 in a welding mode and the like, the two synchronizing wheels 12 are in transmission connection through a synchronizing belt 11, and the middle of the other surface of one synchronizing wheel 12 is fixedly connected with a rotating handle 13;

the user can drive the synchronizing wheel 12 to rotate through the rotating handle 13, the rotating synchronizing wheel 12 drives the other synchronizing wheel 12 to rotate through the synchronous belt 11, and the two synchronizing wheels 12 can drive the screw rod 20 fixedly connected with the two synchronizing wheels to rotate.

The middle part of one side of the barrel body 1 is embedded with an observation window 19, so that a user can observe the number of needles in the barrel body 1 conveniently.

Referring to fig. 1 and 5, top joint of staving 1 has top cap 2, and the material of top cap 2 is transparent, and the material of top cap 2 is toughened glass in this application embodiment, and the middle part of top cap 2 one side is equipped with needle tube hole 3, and needle tube hole 3 is located and pulls out directly over the needle structure, and the middle part of top cap 2 opposite side is equipped with tailors groove 4, tailors the intracavity in groove 4 and is equipped with tailors the structure, tailors the structure and can tailor the transfer line, and the transfer line and syringe needle separation of being convenient for.

The cutting structure comprises a moving block 10, a cutter 8, a spring 6 and a sealing plate 5, wherein one end of the spring 6 is fixedly connected with one side of the inner cavity of the cutting groove 4 in a welding mode and the like, and the other end of the spring 6 is fixedly connected with the moving block 10 in a welding mode and the like; the other end of the moving block 10 is fixedly connected with a cutter 8 by welding and the like, the top of the moving block 10 and the bottom of the sealing plate 5 are fixed together by welding and the like, and the cutting groove 4 can be covered by the sealing plate 5; the middle part fixedly connected with at closing plate 5 top removes handle 9, through the setting of removing handle 9, the user can promote closing plate 5, and closing plate 5 can drive cutter 8 through movable block 10 and remove.

The equal fixedly connected with locating plate 22 in middle part at movable block 10 both ends, locating plate 22 is located between cutter 8 and the spring 6, be equipped with the spout with locating plate 22 adaptation on the lateral wall of tailorring groove 4, through setting up of locating plate 22, can play spacing effect, prevent that movable block 10 from separating with tailorring groove 4, through setting up of locating plate 22 and spout, tailorring groove 4 be close to the middle part of the lateral wall of cutter 8 be equipped with cutter 8 adaptation's sword groove 7, through the setting of sword groove 7, the cutting of the transfer line of being convenient for.

In summary, referring to fig. 1 to 6, the following is described: when the self-pulling needle sharp tool barrel is used, a user drives the sealing plate 5 to move through the moving handle 9 when the infusion apparatus is required to be collected, the sealing plate 5 drives the cutter 8 to move through the moving block 10, the cutter 8 is far away from the cutter groove 7, the user places the infusion apparatus to be collected between the cutter 8 and the cutter groove 7, the user reversely pushes the moving handle 9, the cutter 8 can cut an infusion tube, and the needle is separated from the infusion tube; meanwhile, when the needle falls into the barrel body 1 under the action of gravity and the injection needle tube is required to be separated from the needle, the user inserts the injection needle tube into the needle tube hole 3 until the needle moves to the position below the clamping tongue 16. The clamping tongue 16 resets under the action of the torsion spring 17, at this time, the clamping tongue 16 is positioned between the needle head and the injection needle tube, the needle head is positioned below the clamping tongue 16, a user pulls the injection needle tube upwards, and the needle head and the injection needle tube can be separated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-pulling needle sharp instrument bucket, includes staving (1) and top cap (2), its characterized in that: the top of the barrel body (1) is clamped with a top cover (2), a needle pipe hole (3) is formed in the middle of one side of the top cover (2), a cutting groove (4) is formed in the middle of the other side of the top cover (2), and a cutting structure is arranged in an inner cavity of the cutting groove (4);

the cutting structure comprises a movable block (10) movably connected with the side wall of the cutting groove (4), a cutter (8) fixedly connected with the middle part of one side of the movable block (10) and a spring (6) fixedly connected with the other side of the movable block (10); the other end of the spring (6) is fixedly connected with the side wall of the cutting groove (4), the top of the cutting groove (4) is fixedly connected with a sealing plate (5), and the middle part of the top of the sealing plate (5) is fixedly connected with a movable handle (9); the top end of the inner cavity of the barrel body (1) is provided with a needle pulling structure, and the needle pulling structure is positioned right below the needle pipe hole;

the needle pulling structure comprises a supporting rod (21), a clamping tongue (16) movably connected with the supporting rod (21) through a round rod (15) and a limiting block (18) fixedly connected with the top of the end part of the supporting rod (21); the outer ring of the round rod (15) is movably sleeved with a torsion spring (17), one end of the torsion spring (17) is fixedly connected with the support rod (21), and the other end of the torsion spring (17) is fixedly connected with the clamping tongue (16);

the inner cavity of the barrel body (1) is connected with an extrusion plate (14) through a screw rod (20) in a threaded manner.

2. A self-retracting needle sharps container as defined in claim 1 wherein: the two screw rods (20) are arranged, the end parts of the screw rods (20) are movably connected with the barrel body (1), and one ends of the two screw rods (20) extend to the outer side of the barrel body (1);

the end of the screw rod (20) is fixedly connected with a synchronizing wheel (12), two synchronizing wheels (12) are in transmission connection through a synchronizing belt (11), and the middle part of the other surface of one synchronizing wheel (12) is fixedly connected with a rotating handle (13).

3. A self-retracting needle sharps container as defined in claim 1 wherein: one side of the barrel body (1) is inlaid with an observation window (19), and the middle part of the side wall of the cutting groove (4) close to the cutter (8) is provided with a cutter groove (7) matched with the cutter (8).

4. A self-retracting needle sharps container as defined in claim 1 wherein: the middle parts of two ends of the moving block (10) are fixedly connected with positioning plates (22), the positioning plates (22) are located between the cutter (8) and the springs (6), and sliding grooves matched with the positioning plates (22) are formed in the side walls of the cutting grooves (4).

5. A self-retracting needle sharps container as defined in claim 1 wherein: the extruding plate (14) is located below the needle pulling structure, threaded blocks (23) are fixedly connected to two ends of the top of the extruding plate (14), and the threaded blocks (23) are in threaded connection with the screw rod (20).

6. A self-retracting needle sharps container as defined in claim 1 wherein: the two clamping tongues (16) are arranged, one end of each clamping tongue (16) connected with the round rod (15) is semicircular, and the other ends of the two clamping tongues (16) form an inverted eight-shaped structure.

7. A self-retracting needle sharps container as defined in claim 1 wherein: the top of round bar (15) is inlayed and is had magnet piece (24), the inboard both ends of bracing piece (21) all are equipped with the circular slot with round bar (15) adaptation, and the top in circular slot is inlayed and is had another magnet piece (24).