CN213724098U

CN213724098U - Implanted venous transfusion harbor needle remover

Info

Publication number: CN213724098U
Application number: CN202021792553.2U
Authority: CN
Inventors: 史雅茜; 齐秀丽
Original assignee: Xiangyang Central Hospital
Current assignee: Xiangyang Central Hospital
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-07-20
Anticipated expiration: 2030-08-25

Abstract

An implanted venous transfusion harbor needle remover effectively solves the problems that a left hand of a medical worker of a conventional implanted venous transfusion harbor needle remover needs to fix an injection seat, the injection seat is fixed by a three-finger fixing method, the injection seat is troublesome, the hand for removing the needle often rebounds unconsciously due to inertia effect after the needle is removed, the finger for fixing the injection seat is easily punctured, and the spirit of the medical worker is nervous, the right end of a triangular frame body is provided with a chute, a liftable moving block is connected in the chute in a sliding way, the left side inside of the moving block is rotatably connected with a rotatable threaded pipe, the inner thread of the threaded pipe is connected with a small threaded rod, the lower end of the small threaded rod is fixedly connected with a hinge block, the lower part of the left end of the moving block is hinged with two connecting rods, the lower end of each connecting rod is respectively hinged with a bent rod, and the middle parts of the two bent rods are respectively hinged to the front side and the rear side of the hinge block, the lower end of each bent rod is fixedly connected with a clamping plate.

Description

Implanted venous transfusion harbor needle remover

Technical Field

The utility model belongs to the technical field of the harbor needle pulling out technique and specifically relates to an implanted venous transfusion harbor needle remover.

Background

The implanted venous transfusion port can be used for the transfusion of various high-concentration chemotherapy drugs and complete parenteral nutrient solution, can reduce the pain and difficulty of repeated venipuncture and prevent the damage of irritant drugs to peripheral veins, during transfusion, a nondestructive needle needs to be punctured into an injection seat percutaneously and the liquid medicine is directly conveyed to superior vena cava, because medical care personnel need to connect a catheter in vivo by the nondestructive needle during each maintenance and transfusion, during operation, the left hand of the medical care personnel needs to fix the injection seat, when the injection seat is fixed by a three-finger fixing method, the operation of inserting needle and pulling needle is carried out by the nondestructive needle held by the right hand, when the needle is pulled out, the resistance of the injection seat is larger, when a nurse pulls out the right hand vertically upwards by force, the injection seat needs to be fixed by the left hand, after the needle is pulled out, the hand which pulls out the needle is usually not consciously rebounded due to inertia effect is easy to prick the finger of the fixed hand, thereby causing the acupuncture injury, and the nursing staff is also added with great care wings when carrying out the operation, and the emotion is tense.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an implanted venous transfusion harbor needle remover, the left hand that has effectually solved a conventional implanted venous transfusion harbor needle remover medical personnel through this design needs fixed injection seat, it is more troublesome when fixing the injection seat with three finger fixation methods, often can lead to the involuntary resilience of the hand of pulling out the needle because of inertial action after pulling out the needle, stab the finger of fixed injection seat very easily, lead to medical personnel's the comparatively nervous problem of spirit.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a triangular frame body, wherein the right end of the triangular frame body is provided with a chute, a liftable moving block is connected in the chute in a sliding way, the left side inside the moving block is rotatably connected with a rotatable threaded pipe, the inner thread of the threaded pipe is connected with a small threaded rod, and the lower end of the small threaded rod is fixedly connected with a hinge block;

the lower part of the left end of the moving block is hinged with two connecting rods, the two connecting rods are symmetrically arranged in the front and back direction, the lower end of each connecting rod is hinged with a bent rod, the middle parts of the two bent rods are hinged to the front side and the back side of the hinged block respectively, and the lower end of each bent rod is fixedly connected with a clamping plate.

Preferably, the front side of the right end of the moving block is in threaded connection with a large threaded rod, the large threaded rod is rotatably connected to the front side of the right end of the triangular frame body, and the upper end of the large threaded rod is fixedly connected with a large knob.

Preferably, the outer surface of the threaded pipe is fixedly connected with a second bevel gear, the right end of the second bevel gear is meshed with a first bevel gear, and the first bevel gear is rotatably connected to the inner portion of the left side of the moving block.

Preferably, the right end of the first bevel gear is fixedly connected with a transmission rod, and the right end of the transmission rod is fixedly connected with a small knob.

The utility model discloses novel structure, think about ingeniously, easy operation is convenient, through this design effectual solved a conventional implanted venous transfusion harbor needle remover medical personnel's left hand need fixed injection seat, relatively more troublesome when fixing the injection seat with three finger fixation methods, often can lead to the involuntary resilience of the hand of pulling out the needle because of inertial action after pulling out the needle, stab the finger of fixed injection seat very easily, lead to medical personnel's the comparatively nervous problem of spirit.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a rear axial schematic view of the present invention.

Fig. 3 is the schematic view of the matching structure of the small knob and the clamping plate of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

Fig. 5 is a schematic view of the threaded pipe and the clamping plate of the present invention.

Reference numbers in the figures: 1-large knob, 2-triangular frame, 3-moving block, 4-large threaded rod, 5-chute, 6-small knob, 7-transmission rod, 8-clamping plate, 9-first bevel gear, 10-second bevel gear, 11-threaded pipe, 12-small threaded rod, 13-connecting rod, 14-bent rod and 15-hinged block.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-5.

The utility model comprises a triangular frame body 2, wherein the right end of the triangular frame body 2 is provided with a chute 5, a liftable moving block 3 is connected in the chute 5 in a sliding way, the left side inside the moving block 3 is rotatably connected with a rotatable threaded pipe 11, the inner thread of the threaded pipe 11 is connected with a small threaded rod 12, and the lower end of the small threaded rod 12 is fixedly connected with a hinge block 15;

the lower part of the left end of the moving block 3 is hinged with two connecting rods 13, the two connecting rods 13 are symmetrically arranged in a front-back mode, the lower end of each connecting rod 13 is hinged with a bent rod 14, the middle parts of the two bent rods 14 are hinged to the front side and the back side of the hinged block 15 respectively, and the lower end of each bent rod 14 is fixedly connected with a clamping plate 8.

When the injection needle is used, the lower end of the triangular frame body 2 can be firstly abutted against epidermal tissues on the outer surface of the injection seat, so that the injection seat is vertically and stably fixed downwards by using a left thumb, a forefinger and a middle finger of a medical worker to tighten the skin, the harbor needle is conveniently pulled out, the injection seat can be fixed and fixed to prevent the injection seat from displacing in subcutaneous tissues and causing other accidents, a threaded pipe 11 in the left end of a moving block 3 starts to rotate at the moment, a small threaded rod 12 in threaded connection can upwards move in the threaded pipe 11 when the threaded pipe 11 rotates, a hinge block 15 fixedly connected with the lower end can be driven to upwards move when the small threaded rod 12 upwards moves, a middle hinge point of a bent rod 14 can be driven to upwards move when the hinge block 15 upwards moves, and the bent rod 14 can be driven to wholly upwards move when the middle hinge point of the bent rod 14 upwards moves, the outside that the upper end of knee lever 14 can drive articulated connecting rod 13 in upper end outwards deflects this moment, when connecting rod 13 deflects to the outside, can drive knee lever 14 and rotate to the inboard simultaneously, knee lever 14 can drive two clamp plates 8 of lower extreme and move to the inboard simultaneously this moment, and then can press from both sides the butterfly wing of tight harbor needle through two clamp plates 8, then movable block 3 moves to the inside in spout 5, and then can pull out harbor needle from the injection seat at the uniform velocity, prevent that harbor needle can stab medical personnel's finger because of inertia, and ten minutes convenient and fast, need not use three to indicate the fixed method also can fix the injection seat.

The front side of the right end of the moving block 3 is connected with a large threaded rod 4 in a threaded mode, the large threaded rod 4 is connected to the front side of the right end of the triangular frame body 2 in a rotating mode, and the upper end of the large threaded rod 4 is fixedly connected with a large knob 1.

When the moving block 3 needs to be moved upwards, the large threaded rod 4 at the lower end can be driven to rotate by rotating the large knob 1 at the moment, and the moving block 3 which is connected with the large threaded rod 4 in a threaded mode can be driven to vertically lift under the constraint of the sliding groove 5 by rotating the large threaded rod 4.

The outer surface of the threaded pipe 11 is fixedly connected with a second bevel gear 10, the right end of the second bevel gear 10 is meshed with a first bevel gear 9, and the first bevel gear 9 is rotatably connected to the inner portion of the left side of the moving block 3.

When the first bevel gear 9 rotates, the second bevel gear 10 with the meshed left end is driven to rotate, and when the second bevel gear 10 rotates, the threaded pipe 11 with the fixedly connected lower part is driven to rotate.

The right end of the first bevel gear 9 is fixedly connected with a transmission rod 7, and the right end of the transmission rod 7 is fixedly connected with a small knob 6.

When the distance between the clamping plates 8 needs to be adjusted, the left end transmission rod 7 can be driven to rotate by rotating the small knob 6 at the moment, and then the first bevel gear 9 is driven to rotate.

When the utility model is used, the lower end of the triangular frame body 2 can be firstly pressed on the epidermal tissue of the outer surface of the injection seat when the utility model is used, so as to simulate the medical care personnel to vertically and stably fix the injection seat downwards by using the left thumb, the index finger and the middle finger to tighten the skin, thereby conveniently pulling out the harbor needle, and the injection seat can be fixed to prevent the injection seat from shifting in the subcutaneous tissue to cause other accidents, when the distance between the clamping plates 8 needs to be adjusted, the small rotary knob 6 is rotated to drive the left end transmission rod 7 to rotate so as to drive the first bevel gear 9 to rotate, when the first bevel gear 9 rotates, the second bevel gear 10 engaged with the left end is driven to rotate, when the second bevel gear 10 rotates, the threaded pipe 11 fixedly connected with the lower part is driven to rotate, when the threaded pipe 11 rotates, the small threaded rod 12 connected with the threads can move upwards in the threaded pipe 11, when the small threaded rod 12 moves upwards, the hinged block 15 fixedly connected with the lower end is driven to move upwards, when the hinged block 15 moves upwards, the hinged point at the middle part of the bent rod 14 is driven to move upwards, when the hinged point at the middle part of the bent rod 14 moves upwards, the whole bent rod 14 is driven to move upwards, the upper end of the bent rod 14 drives the outer side of the connecting rod 13 hinged with the upper end to deflect outwards, when the connecting rod 13 deflects outwards, the bent rod 14 is driven to rotate inwards at the same time, the bent rod 14 drives the two clamping plates 8 at the lower end to move inwards at the same time, so that the butterfly wing of the needle can be clamped through the two clamping plates 8, then the large threaded rod 4 at the lower end can be driven to rotate by rotating the large threaded rod 1, and the large threaded rod 4 can drive the moving block 3 connected with threads to vertically lift under the constraint of the sliding chute 5, and then can pull out the port needle from the injection seat at the uniform velocity, prevent that the port needle can stab medical personnel's finger because of inertia to very convenient and fast need not use the three finger fixation methods and can fix the injection seat, reduce medical personnel's nervous mood.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An implantable venous transfusion harbor needle remover comprises a triangular frame body (2), and is characterized in that a sliding groove (5) is formed in the right end of the triangular frame body (2), a liftable moving block (3) is connected in the sliding groove (5) in a sliding mode, a rotatable threaded pipe (11) is rotatably connected to the left side of the inside of the moving block (3), a small threaded rod (12) is connected to the inner thread of the threaded pipe (11), and a hinge block (15) is fixedly connected to the lower end of the small threaded rod (12);

the lower part of the left end of the moving block (3) is hinged with two connecting rods (13), the two connecting rods (13) are symmetrically arranged front and back, the lower end of each connecting rod (13) is hinged with a bent rod (14), the middle parts of the two bent rods (14) are hinged to the front side and the back side of the hinged block (15), and the lower end of each bent rod (14) is fixedly connected with a clamping plate (8).

2. The implanted venous transfusion harbor needle remover as claimed in claim 1, wherein a large threaded rod (4) is connected to the front side of the right end of the moving block (3) in a threaded manner, the large threaded rod (4) is rotatably connected to the front side of the right end of the triangular frame body (2), and a large knob (1) is fixedly connected to the upper end of the large threaded rod (4).

3. The implantable venous transfusion harbor needle remover as claimed in claim 1, wherein a second bevel gear (10) is fixedly connected to the outer surface of the threaded tube (11), a first bevel gear (9) is engaged with the right end of the second bevel gear (10), and the first bevel gear (9) is rotatably connected to the inner portion of the left side of the moving block (3).

4. An implantable venous transfusion harbor needle remover according to claim 3, characterized in that the right end of the first bevel gear (9) is fixedly connected with a transmission rod (7), and the right end of the transmission rod (7) is fixedly connected with a small knob (6).