CN215351558U

CN215351558U - Micro-catheter tube shaft

Info

Publication number: CN215351558U
Application number: CN202120335078.4U
Authority: CN
Inventors: 黄奉康; 邓一兰; 杨安顺
Original assignee: Sichuan Aimaisi Biomedical Technology Co ltd
Current assignee: Sichuan Action Medical Technology Co.,Ltd.
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-31
Anticipated expiration: 2031-02-05

Abstract

The utility model belongs to the field of micro catheters, in particular to a micro catheter tube shaft, which aims at solving the problems that the prior micro catheter is connected in the interior during the use process, the traditional tube shaft is often linear or Y-shaped, the length of the tube shaft cannot be effectively adjusted, and the practicability is reduced; according to the utility model, through the matching of the first tubular shaft and the second tubular shaft, the length of the tubular shafts can be spliced and combined quickly according to the use requirement of the micro catheter, the practicability is improved, and through the clamping and matching of the limiting plate and the limiting groove, the first tubular shaft and the second tubular shaft can be combined effectively and quickly, so that the practicability is improved.

Description

Micro-catheter tube shaft

Technical Field

The utility model relates to the technical field of micro catheters, in particular to a micro catheter shaft.

Background

The microcatheter is also called as a medical catheter, which is generally used for radiography and particle injection and is mostly made of polyethylene materials, and is produced in the United states, France, Japan, Denmark and China.

The existing micro catheter is used, the tubular shaft is located inside the micro catheter to be connected, the traditional tubular shaft is often linear or Y-shaped, the length of the tubular shaft cannot be effectively adjusted, the practicability is reduced, and therefore the micro catheter tubular shaft is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the traditional tubular shaft is often linear or Y-shaped, the length of the tubular shaft cannot be effectively adjusted and the practicability is reduced because the tubular shaft is positioned in the micro catheter for connection in the use process of the traditional micro catheter.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a microcatheter tubular shaft comprises a first tubular shaft and a second tubular shaft, wherein one side wall of the first tubular shaft and one side wall of the second tubular shaft are respectively provided with a first groove which are symmetrically arranged, one side wall of the first groove, which is close to each other, is provided with a first channel, a sliding plate is connected between the two side walls of the first channel in a sliding way, one side wall of the sliding plate, which is far away from each other, is fixedly provided with a limiting plate, the sliding plate and the limiting plate are vertically arranged, one side wall of the sliding plate, which is far away from the limiting plate, is fixedly provided with an adjusting plate, the adjusting plate and the sliding plate are vertically arranged, one side outer wall of the first tubular shaft and one side wall of the second tubular shaft are respectively provided with a second groove, the bottom side wall of the first channel is rotatably connected with a first connecting shaft, the adjusting plates are positioned at two sides of the first connecting shaft, the outer side wall of the first connecting shaft is fixedly provided with a gear in a tight fit manner, and one side wall of the adjusting plate, which is close to the first connecting shaft, is provided with a plurality of racks along the length direction, and the gear and the rack are in meshed transmission connection.

Preferably, a moving plate is slidably connected between the side walls of the two sides of the second groove, a thread groove is formed in the side wall of the bottom end of the moving plate, and the top end of the first connecting shaft extends to the inside of the second groove and is provided with threads.

Preferably, the top end of the first connecting shaft extends into the threaded groove, and the first connecting shaft is in threaded transmission connection with the moving plate.

Preferably, a handle of a U-shaped structure is fixed on the side wall of the top end of the moving plate, and the handle and the moving plate are vertically arranged.

Preferably, a second channel is formed between the second groove and the first channel, a bearing seat is fixed on the inner side wall of the second channel, and the top end of the first connecting shaft penetrates through the bearing seat and extends into the second groove.

Preferably, the lateral wall of one side of first hollow shaft and second hollow shaft is fixed with the screens board that the symmetry set up, and the spacing groove has been seted up to one side lateral wall of screens board, the joint sets up between screens board and the first recess, the joint sets up between limiting plate and the spacing groove.

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

1. according to the utility model, through the matching of the first tubular shaft and the second tubular shaft, the length of the tubular shafts can be spliced and combined quickly according to the use requirement of the micro catheter, so that the practicability is improved, and through the clamping and matching of the limiting plate and the limiting groove, the first tubular shaft and the second tubular shaft can be effectively combined quickly, so that the practicability is improved;

2. according to the utility model, the two limiting plates can be moved in and out simultaneously through the matching of the adjusting plate and the first connecting shaft, so that the first tubular shaft and the second tubular shaft can be conveniently and rapidly combined, and the limiting plates can be rapidly pressed and lifted to be adjusted to pass in and out through the moving plate and the handle, so that the first tubular shaft and the second tubular shaft are fixedly installed, and the practicability is improved.

Drawings

FIG. 1 is a sectional view of a microcatheter shaft according to the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view of a first shaft end of a microcatheter shaft according to the present invention.

Reference numbers in the figures: the device comprises a first tubular shaft 1, a second tubular shaft 2, a first groove 3, a first channel 4, a moving plate 5, a limiting plate 6, a first connecting shaft 7, a gear 8, a rack 9, a clamping plate 10, a limiting groove 11, a second groove 12, a moving plate 13, a thread groove 14, a handle 15, threads 16 and an adjusting plate 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the drawings of the embodiments of the present disclosure, and it is obvious that the described embodiments are some embodiments of the present disclosure, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the described embodiments of the present disclosure belong to the protection scope of the present disclosure.

Unless otherwise defined, technical or scientific terms used herein should be understood as having a common meaning as understood by those of ordinary skill in the art to which this disclosure belongs, and the use of "including" or "comprising" and the like in this disclosure means that the element or item appearing before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items, that "connected" or "connected" and the like are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-3, a micro catheter tubular shaft comprises a first tubular shaft 1 and a second tubular shaft 2, wherein one side wall of the first tubular shaft 1 and one side wall of the second tubular shaft 2 are respectively provided with a first groove 3 which are symmetrically arranged, one side wall of the first groove 3 which is close to each other is provided with a first channel 4, two side walls of the first channel 4 are connected with a sliding plate 5 in a sliding manner, one side wall of the sliding plate 5 which is far away from each other is fixed with a limiting plate 6, the sliding plate 5 and the limiting plate 6 are vertically arranged, one side wall of the sliding plate 5 which is far away from the limiting plate 6 is fixed with an adjusting plate 17, the adjusting plate 17 and the sliding plate 5 are vertically arranged, one side outer wall of the first tubular shaft 1 and one side wall of the second tubular shaft 2 are provided with a second groove 12, the bottom side wall of the first channel 4 is rotatably connected with a first connecting shaft 7, the adjusting plate 17 is arranged at two sides of the first connecting shaft 7, and a gear 8 is fixed on the outer side wall of the first connecting shaft 7 in a tight fit manner, a plurality of racks 9 are arranged on the side wall of the adjusting plate 17 close to one side of the first connecting shaft 7 along the length direction of the adjusting plate, and the gear 8 is in meshing transmission connection with the racks 9.

A moving plate 13 is slidably connected between the side walls of the two sides of the second groove 12, a thread groove 14 is formed in the side wall of the bottom end of the moving plate 13, a thread 16 is formed in the top end of the first connecting shaft 7 and extends into the second groove 12, the top end of the first connecting shaft 7 extends into the thread groove 14, the first connecting shaft 7 and the moving plate 13 are in thread transmission connection, a handle 15 of a U-shaped structure is fixed on the side wall of the top end of the moving plate 13, and the handle 15 and the moving plate 13 are vertically arranged.

The second channel has been seted up between second recess 12 and the first channel 4, the inside wall of second channel is fixed with the bearing frame, inside the bearing frame passed and extended to second recess 12 on the top of first connecting axle 7, one side lateral wall of first hollow shaft 1 and second hollow shaft 2 is fixed with the screens board 10 that the symmetry set up, spacing groove 11 has been seted up to one side lateral wall of screens board 10, the joint sets up between screens board 10 and the first recess 3, the joint sets up between limiting plate 6 and the spacing groove 11.

The working principle is as follows: when the first tubular shaft 1 and the second tubular shaft 2 are installed and fixed, the second tubular shaft 2 is moved, the second tubular shaft 2 drives the clamping plate 10 to enter the first groove 3, the handle 15 is pushed downwards, the handle 15 drives the sliding plate 5 to move, the sliding plate 5 drives the first connecting shaft 7 to rotate through screw transmission, the first connecting shaft 7 drives the gear 8 to rotate, the gear 8 and the rack 9 are meshed for transmission to drive the adjusting plate 17 to move, the adjusting plate 17 drives the sliding plate 5 to move, the sliding plate 5 drives the limiting plate 6 to move out of the first channel 4, the limiting plate 6 enters the first groove 3, the limiting plate 6 is clamped with the limiting groove 11 formed in the side wall of the clamping plate 10, the installation and the fixing of the first tubular shaft 1 and the second tubular shaft 2 are completed, when the first tubular shaft 1 and the second tubular shaft 2 are disassembled, only the handle 15 needs to be pulled, through the transmission principle, the sliding plate 5 drives the limiting plate 6 to enter the first channel 4, then the second tubular shaft 2 is moved, the second tubular shaft 2 drives the clamping plate 10 to move out of the first groove 3, and the disassembly is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A micro-catheter tubular shaft comprises a first tubular shaft (1) and a second tubular shaft (2), and is characterized in that first grooves (3) which are symmetrically arranged are formed in side walls of the first tubular shaft (1) and the second tubular shaft (2), a first channel (4) is formed in one side wall, close to each other, of the first groove (3), a sliding plate (5) is connected between side walls of two sides of the first channel (4) in a sliding mode, a limiting plate (6) is fixed to one side wall, far away from each other, of the sliding plate (5), the sliding plate (6) is vertically arranged between the sliding plate (5), an adjusting plate (17) is fixed to one side wall, far away from the limiting plate (6), of the sliding plate (5), the adjusting plate (17) is vertically arranged between the adjusting plate (5), a second groove (12) is formed in outer walls of one side of the first tubular shaft (1) and the second tubular shaft (2), a first connecting shaft (7) is rotatably connected to the side wall of the bottom end of the first channel (4), regulating plate (17) are located the both sides of first connecting axle (7), the lateral wall tight fit of first connecting axle (7) is fixed with gear (8), a plurality of racks (9) have been seted up along its length direction to regulating plate (17) one side lateral wall that is close to first connecting axle (7), and the meshing transmission is connected between gear (8) and rack (9).

2. The micro catheter tube shaft as claimed in claim 1, wherein a moving plate (13) is slidably connected between two side walls of the second groove (12), a thread groove (14) is formed in a bottom side wall of the moving plate (13), and a thread (16) is formed inside the second groove (12) and extends from a top end of the first connecting shaft (7).

3. A microcatheter shaft as claimed in claim 2, wherein the tip of the first connecting shaft (7) extends inside the threaded groove (14) and the first connecting shaft (7) is in threaded drive connection with the moving plate (13).

4. A micro-catheter tube shaft according to claim 3, wherein a handle (15) of a U-shaped structure is fixed to the top side wall of the moving plate (13), and the handle (15) is vertically arranged with respect to the moving plate (13).

5. A micro-catheter tube shaft according to claim 4, wherein a second channel is arranged between the second groove (12) and the first channel (4), a bearing seat is fixed on the inner side wall of the second channel, and the top end of the first connecting shaft (7) extends to the inside of the second groove (12) through the bearing seat.

6. The micro catheter tube shaft of claim 5, wherein clamping plates (10) are symmetrically arranged and fixed on one side wall of the first tube shaft (1) and the second tube shaft (2), a limiting groove (11) is formed in one side wall of each clamping plate (10), the clamping plates (10) and the first grooves (3) are clamped, and the limiting plates (6) and the limiting grooves (11) are clamped.