CN218046176U

CN218046176U - Multi-channel joint

Info

Publication number: CN218046176U
Application number: CN202022911865.7U
Authority: CN
Inventors: 董何彦; 胡义平; 师立丽; 唐潇
Original assignee: Liaoning Yinyi Biotechnology Co ltd
Current assignee: Liaoning Yinyi Biotechnology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2022-12-16
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a multichannel connects, Y type main part both ends are run through and are provided with the passageway, and the passageway comprises input channel and output channel intercommunication, and the passageway is the cavity structure of reducing, and input channel is provided with two at least, and input channel is connected with output channel respectively, forms the contained angle between input channel, and Y type main part surface corresponds the position in the contained angle inboard outside, is provided with the slice firmware with the contained angle syntropy, and output channel sets up porosely. The utility model improves the inner cavity structure and designs one or more reducing channels, thereby reducing the fit clearance between the pipe and the joint inner cavity, leading the binder to be evenly distributed, reducing the binder consumption, improving the bonding efficiency and enhancing the bonding strength; the sheet-shaped fastener design can enhance the torque transmission and pushing of the connected pipe while further increasing the coaxiality of the connected pipe and the joint, is beneficial to the operation of an operator for conveying various fluids, media or medical instruments, and can also be used as a handle or a joint of a conveying device in an interventional instrument.

Description

Multi-channel joint

Technical Field

The utility model relates to a medical channel connects, especially relates to a multichannel connects, belongs to and intervenes the medical instrument field.

Background

The intervention treatment refers to a treatment method of opening a channel of a few millimeters on a blood vessel, a cavity or a cavity exposed to the body surface under the skin of a human body, or directly conveying a medicine or a medical apparatus through the original cavity of the human body to intervene the local part of a lesion. Sometimes, the intervention requires the assistance and guidance of imaging devices such as a contrast machine and ultrasound. Interventional procedures, including endovascular and non-vascular interventions, are surgical and medical independent procedures,

in interventional therapy, it is often necessary to deliver various fluids, media or medical devices, such as therapeutic drugs, contrast media, guide wires, stents, etc., through a blood vessel or other lumen to the local site of the lesion. Thus, there is a need for a multi-channel connector to provide an interface for drugs, media or medical devices to a body vessel or other lumen.

The existing multi-channel joint needs to use a large amount of adhesive when connecting pipes, has the risk of biocompatibility, and the adhesive is not uniformly distributed, so that the bonding efficiency is low, and the risks of adhesive leakage and breakage of the joint and the pipes exist. In addition, the existing multi-channel joint has poor coaxiality and is not beneficial to torque transmission and pushing of the connected pipes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a novel multichannel connects, its technical scheme as follows:

the Y-shaped main body is provided with at least two channels which are formed by communicating an input channel and an output channel, the channels are of reducing cavity structures, the input channels are respectively connected with the output channels, included angles are formed between the input channels, the surfaces of the Y-shaped main body correspond to the positions on the inner side and the outer side of each included angle, sheet-shaped fixing pieces are arranged in the same direction with the included angles, and holes are formed in the output channels.

The inlet end of the input channel is provided with a luer connector.

The inner diameter of the inlet of the channel is of a reducing structure.

The output channel is formed by communicating a channel outlet with a rear channel through a front channel, the inner diameters of the channel outlet and the front channel are of an equal-diameter structure, the inner diameters of the channel outlet and the front channel are not equal, and the inner diameters of the front channel and the rear channel are of a reducing structure.

The channel outlet is a stress relief channel connected to the stress relief tube to reduce stress between the multi-channel fitting and the tube.

The rear channel is connected with the input channel in a variable diameter transition mode, the variable diameter taper is 10 to 60 degrees, the coaxiality of the joint and a connected pipe is guaranteed, and therefore the guide wire can smoothly reach a lesion position.

The holes are respectively arranged on the inner walls of the front channel and the rear channel and used for adding a bonding agent to seal the pipeline.

The Y-shaped main body surface is provided with the slice firmware, is heart-shaped, polygon, arc form or irregular shape, and the slice firmware is arranged with the contained angle syntropy in the corresponding position of contained angle outside the contained angle, can strengthen the axiality and the moment of torsion transmission of the interior connecting tube of first chamber, reinforcing propelling movement nature.

Compared with the prior art, its beneficial effect lies in: the inner cavity structure is improved, and one or more reducing channels are designed, so that the fit clearance between the pipe and the joint inner cavity is reduced, the binder is uniformly distributed, the binder consumption is reduced, the bonding efficiency is improved, and the bonding strength is enhanced; the sheet-shaped fastener design can enhance the torque transmission and pushing of the connected pipe while further increasing the coaxiality of the connected pipe and the joint, is beneficial to the operation of an operator for conveying various fluids, media or medical instruments, and can also be used as a handle or a joint of a conveying device in an interventional instrument.

Drawings

FIG. 1 is a schematic cross-sectional view

In the figure: 1. first luer, 2, channel inlet a,3, second luer, 4, channel inlet B,5, back channel, 6, first aperture, 7, second aperture, 8, front channel, 9, flap fastener, 10, channel outlet.

Detailed Description

Example 1

As shown in fig. 1, the channel inlet 2 is provided with a first luer 1 having a tapered inner diameter. The channel inlet 4 is provided with a second luer connector 3, the inner diameter of the second luer connector is of a reducing structure, and the channel inlet 2 and the channel inlet 4 belong to input channels and are used for inputting various fluids, media or medical instruments.

Example 2

As shown in fig. 1, the output channel is formed by communicating a channel outlet 10 with a rear channel 5 through a front channel 8, the inner diameters of the channel outlet 10 and the front channel 8 are of an equal-diameter structure, and are not equal, and the inner diameter of the rear channel 5 is of a variable-diameter structure; the output channel is used for outputting various input fluids, media or medical instruments to blood vessels or other cavities of the human body.

Example 3

The first hole 6 is communicated with the rear channel 5, the second hole 7 is communicated with the front channel 8, and the first hole 6 and the second hole 7 are used for adding adhesive to bond the multi-channel joint and the pipe.

Example 4

The channel inlet 2 is used for delivering a guide wire, and the channel inlet 4 is used for delivering various fluids or interventions, such as diagnostic channels of physiological saline and contrast agents, or expanding a balloon catheter in the channels by adopting a pressure principle.

Example 5

The rear channel 5, the front channel 8 and the channel outlet 10 are communicated with a pipe, and various catheters taking the multi-channel joint as a component, such as a balloon catheter, a suction catheter, a micro-catheter and the like, are manufactured

Example 6

The taper of the diameter-changing transition of the rear channel 5 can be designed according to the length of the joint, the taper is within the range of 10 to 60 degrees, the coaxiality of the joint and a bonded pipe is ensured, and therefore the guide wire can smoothly reach the position of a lesion.

Example 7

The channel outlet 10 can be used as a stress relief channel, and is connected with a stress relief pipe to reduce the stress between the multi-channel joint and the pipe, when various catheters made of the multi-channel joint as a component are conveyed to a lesion part, a tortuous blood vessel needs to be passed, and large stress can be generated between the multi-channel joint and the pipe.

Example 8

In order to better combine the channels, sheet-shaped fixing pieces 9 are arranged on the surface of the Y-shaped main body in the same direction with the included angle at corresponding positions on the inner side and the outer side of the included angle, are heart-shaped, arc-shaped, polygonal or irregular, are convenient for an operator to hold, and can enhance the torque transmission and pushing of the connected pipe while further increasing the coaxiality of the connected pipe and the connector, thereby being beneficial to the operator to operate and convey various fluids, media or medical instruments and improving the operation efficiency.

Example 9

A multi-channel connector is provided with three input channels on a Y-shaped main body, so that different treatment requirements can be met conveniently.

The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, and all such modifications, equivalents, and improvements as fall within the spirit and scope of the invention are intended to be included therein.

Claims

1. The utility model provides a multichannel connects, package expands Y type main part, its characterized in that Y type main part both ends are run through and are provided with the passageway, the passageway comprises input channel and output channel intercommunication, and the passageway is the cavity structure of reducing, and input channel is provided with two at least, and input channel is connected with output channel respectively, forms the contained angle between the input channel, and Y type main part surface corresponds the position in the contained angle inside and outside, is provided with slice firmware (9) with the contained angle syntropy, and output channel sets up porosely.

2. A multi-channel connector as claimed in claim 1, wherein said inlet end of said input channel is provided with a luer connector.

3. The multi-channel joint as claimed in claim 1, wherein the inner diameter of the input channel is a variable diameter structure.

4. The multi-channel joint as claimed in claim 1, wherein the output channel is formed by communicating a channel outlet (10) with a rear channel (5) through a front channel (8), the inner diameters of the channel outlet (10) and the front channel (8) are of an equal-diameter structure, the inner diameters of the channel outlet and the front channel are not equal, and the inner diameter of the rear channel (5) is of a variable-diameter structure.

5. A multi-channel connector as claimed in claim 4, characterised in that the channel outlets (10) are stress relief channels connecting stress relief tubes to reduce stress between the multi-channel connector and the tubes.

6. The multi-channel joint as claimed in claim 4, wherein the rear channel (5) and the input channel are connected in a variable diameter transition manner, and the variable diameter taper is 10 to 60 °.

7. A multi-channel connector as claimed in claim 1, wherein the holes are provided in the inner walls of the front channel (8) and the rear channel (5), respectively.

8. A multi-channel joint according to claim 1, wherein the sheet-like fixing member (9) is heart-shaped, polygonal, or arc-shaped.