CN212880441U

CN212880441U - Needle extractor special for infusion port

Info

Publication number: CN212880441U
Application number: CN202020632560.XU
Authority: CN
Inventors: 王正萍; 杨芳
Original assignee: Panzhihua Central Hospital
Current assignee: Panzhihua Central Hospital
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-04-06
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a needle extractor special for a transfusion port, which comprises a lantern ring and a handle, wherein the surface of the lantern ring is symmetrically provided with column grooves, the interior of the column groove is connected with a lifting device in a sliding way, the lifting device is fixedly connected with the handle, the surface of the lantern ring is connected with a pull rod in a sliding way, the lifting device is rotationally connected with the pull rod, a clamping device is arranged in the pull rod, the lifting device comprises a slide block, a hinge, a connecting rod and a fixed block, the surface of the column groove is connected with a slide block in a sliding way, a hinge is fixedly connected above the slide block, the surface of the pull rod is fixedly connected with a fixed block, the connecting rod is arranged above the column groove, one end, close to the lantern ring, of the connecting rod is rotatably connected with the hinge, the needle puller special for the infusion port can provide protection for medical staff, the possibility of injury is reduced, the structure is simple, and the practicability is high.

Description

Needle extractor special for infusion port

Technical Field

The utility model relates to the technical field of infusion ports, in particular to a needle extractor special for an infusion port.

Background

A closed infusion device completely implanted into a human body comprises a catheter part with the tip located in a superior vena cava and an injection seat embedded under the skin, and is a medical appliance, wherein needle stick injuries are one of the biggest occupational hazards faced by clinical medical nursing staff, for example, after an operation of an infusion port, a patient needs to be replenished with liquid or changed with a needle, the needle is usually pulled out, the needle is easy to pull out and difficult to pull out due to the fact that a rubber pad of the infusion port has elasticity and has a certain thickness, when the needle is pulled out, the medical nursing staff is easy to hold the other hand on a base of the infusion port due to the inertia effect of stress, and cross infection is caused.

The prior art is basically to pull out a needle manually, which cannot provide protection for medical staff, so that the possibility of injury is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special needle extractor for an infusion port, which aims to solve the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special needle extractor of infusion port, includes the lantern ring and handle, the column groove has been seted up to the surface symmetry of the lantern ring, the inside sliding connection of column groove has hoisting device, hoisting device and handle fixed connection, the sliding connection in surface of the lantern ring has the pull rod, hoisting device rotates with the pull rod to be connected, the internally mounted of pull rod has clamping device.

Preferably, hoisting device includes slider, hinge, connecting rod and fixed block, post groove sliding surface is connected with the slider, the top fixedly connected with hinge of slider, the fixed surface of pull rod is connected with the fixed block, the connecting rod has been put to the top in post groove, the one end that the connecting rod is close to the lantern ring is connected with the hinge rotation, the other end of connecting rod passes through the bearing and is connected with the fixed block rotation, the post groove surface is adjusted the pole through threaded connection, adjust the pole and keep away from the one end and the handle fixed connection in post groove.

Preferably, clamping device includes montant, carousel, recess, connecting block, movable rod and clamp splice, the recess has been seted up to the inside of pull rod, and the recess is square groove, recess surface sliding connection has the connecting block, the top of connecting block is rotated and is connected with the montant, the montant passes through threaded connection with the pull rod, the clamp splice has been put to pull rod below symmetry, clamp splice fixed surface is connected with the movable rod, the movable rod passes through the bearing with the connecting block and rotates and be connected, the one end fixedly connected with carousel of connecting block is kept away from to the montant.

Preferably, a sliding groove is formed in the pull rod and located below the groove, the surface of the sliding groove is symmetrically and fixedly connected with a spring, and the other end of the spring is fixedly connected with the movable rod.

Preferably, a plurality of suckers are fixedly connected to the lower surface of the lantern ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses pass through the sucking disc with the whole lantern ring and fix on human skin surface, make the pull rod in the top of defeated transfusion harbor and needle, the carousel rotates, it rotates and then drives the connecting block rebound to drive the montant, and then drive the movable rod and change the angle, two clamp blocks are close to each other, press from both sides the butterfly wing mounting tightly, both hands are held the handle, press down gently downwards, the while turning handle, the handle rotates and drives two regulation poles and be close to each other, and then drive the slider at recess surface slip, and then change the angle between connecting rod and the fixed block, the pull rod rebound, and then drive clamp block and butterfly wing mounting rebound, and then extract the needle, the fixed surface of movable rod is connected with the fixture block, fixture block and spout sliding connection, the spring is along spout surface extension.

2. The utility model discloses whole process medical staff can not contact with butterfly wing mounting and needle, for medical staff provides the protection, has reduced medical staff injured's possibility.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

fig. 3 is a schematic structural view of the clamping device of the present invention.

In the figure: 1. a collar; 2. a handle; 3. a column groove; 4. a lifting device; 5. a pull rod; 6. a clamping device; 7. a slider; 8. a hinge; 9. a connecting rod; 10. a fixed block; 11. adjusting a rod; 12. a vertical rod; 13. a turntable; 14. a groove; 15. connecting blocks; 16. a movable rod; 17. a clamping block; 18. a chute; 19. a spring; 20. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a special needle extractor of transfusion harbor, includes lantern ring 1 and handle 2, the surface symmetry of the lantern ring 1 has seted up

post groove

3, 3 inside sliding connection in post groove have hoisting device 4, hoisting device 4 and 2 fixed connection of handle, the surface sliding connection of the lantern ring 1 has pull rod 5, hoisting device 4 rotates with pull rod 5 to be connected, the internally mounted of pull rod 5 has clamping device 6.

Lifting device 4 includes slider 7, hinge 8, connecting rod 9 and

fixed block

10, 3 surperficial sliding connection in post groove has slider 7, the top fixedly connected with hinge 8 of slider 7, the fixed surface of pull rod 5 is connected with fixed block 10, connecting rod 9 has been put to the top in post groove 3, connecting rod 9 is close to the one end of the lantern ring 1 and is connected with hinge 8 rotation, the other end of connecting rod 9 passes through the bearing and is connected with fixed block 10 rotation, 3 surfaces in post groove are through threaded connection regulation pole 11, adjust the pole 11 one end and the handle 2 fixed connection of keeping away from post groove 3, can drive pull rod 5 slow rebound, and then extract the needle through clamp splice 17.

Clamping device 6 includes montant 12, carousel 13, recess 14, connecting block 15, movable rod 16 and clamp splice 17, recess 14 is seted up to the inside of pull rod 5, and recess 14 is square groove, recess 14 sliding surface connection has connecting block 15, the top of connecting block 15 is rotated and is connected with montant 12, montant 12 passes through threaded connection with pull rod 5, pull rod 5 below symmetry has put clamp splice 17, clamp splice 17 fixed surface is connected with movable rod 16, movable rod 16 passes through the bearing rotation with connecting block 15 and is connected, the one end fixedly connected with carousel 13 of connecting block 15 is kept away from to montant 12, drives connecting block 15 at the inside slip of recess 14 through montant 12 rebound, and then drives movable rod 16 and change the angle, and two clamp splice 17 are close to each other, press from both sides the butterfly wing mounting tightly.

The pull rod 5 is internally provided with a sliding groove 18 below the groove 14, the sliding groove 18 is symmetrically and fixedly connected with a spring 19 on the surface, the other end of the spring 19 is fixedly connected with the movable rod 16, so that the two clamping blocks 17 can be separated by manual control after use, and the movable rod 16 is positioned.

The lower surface of the lantern ring 1 is fixedly connected with a plurality of suckers 20, so that the positioning effect is achieved, and medical staff can pull out the needle conveniently.

The working principle is as follows: fix whole lantern ring 1 on human skin surface through sucking disc 20, make pull rod 5 in the top of transfusion harbor and needle, rotate carousel 13, drive montant 12 and rotate and then drive connecting block 15 rebound, and then drive movable rod 16 change angle, two clamp splice 17 are close to each other, press from both sides butterfly wing mounting, both hands hold handle 2, press gently downwards, rotate handle 2 simultaneously, handle 2 rotates and drives two regulation poles 11 and be close to each other, and then drive slider 7 and slide on recess 14 surface, and then change the angle between connecting rod 9 and the fixed block 10, pull rod 5 rebound, and then drive clamp splice 17 and butterfly wing mounting rebound, and then extract the needle, the surface of movable rod 16 can be connected with the fixture block, fixture block and 18 sliding connection of spout, spring 19 extends or shortens along spout 18 surface.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a special needle extractor of transfusion harbor, includes lantern ring (1) and handle (2), its characterized in that: post groove (3) have been seted up to the surface symmetry of the lantern ring (1), post groove (3) inside sliding connection has hoisting device (4), hoisting device (4) and handle (2) fixed connection, the surface sliding connection of the lantern ring (1) has pull rod (5), hoisting device (4) rotate with pull rod (5) and are connected, the internally mounted of pull rod (5) has clamping device (6).

2. The needle extractor special for the transfusion port according to claim 1, wherein: hoisting device (4) are including slider (7), hinge (8), connecting rod (9) and fixed block (10), post groove (3) surface sliding connection has slider (7), the top fixedly connected with hinge (8) of slider (7), the fixed surface of pull rod (5) is connected with fixed block (10), connecting rod (9) have been put to the top of post groove (3), connecting rod (9) are close to the one end and the hinge (8) rotation connection of the lantern ring (1) in connecting rod (9), the other end of connecting rod (9) passes through the bearing and is connected with fixed block (10) rotation, post groove (3) surface is through threaded connection regulation pole (11), adjust the one end and handle (2) fixed connection that post groove (3) were kept away from in pole (11).

3. The needle extractor special for the transfusion port according to claim 1, wherein: clamping device (6) include montant (12), carousel (13), recess (14), connecting block (15), movable rod (16) and clamp splice (17), the inside of pull rod (5) is seted up fluted (14), and recess (14) are square groove, recess (14) surface sliding connection has connecting block (15), the top of connecting block (15) is rotated and is connected with montant (12), montant (12) pass through threaded connection with pull rod (5), clamp splice (17) have been put to pull rod (5) below symmetry, clamp splice (17) fixed surface is connected with movable rod (16), movable rod (16) rotate through the bearing with connecting block (15) and are connected, the one end fixedly connected with carousel (13) of connecting block (15) are kept away from to montant (12).

4. The needle extractor special for the transfusion port according to claim 1, wherein: the pull rod (5) is internally provided with a sliding groove (18) below the groove (14), the sliding groove (18) is symmetrically and fixedly connected with a spring (19) on the surface, and the other end of the spring (19) is fixedly connected with the movable rod (16).

5. The needle extractor special for the transfusion port according to claim 1, wherein: the lower surface of the lantern ring (1) is fixedly connected with a plurality of suckers (20).