CN219276600U

CN219276600U - Extrusion die suitable for medical development catheter

Info

Publication number: CN219276600U
Application number: CN202221510318.0U
Authority: CN
Inventors: 罗云
Original assignee: Kunshan Sennier Mold Co ltd
Current assignee: Kunshan Sennier Mold Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-06-30
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses an extrusion die suitable for a medical developing catheter, which comprises: the die comprises a die sleeve, a die splitting body, a die splitting cone, a die splitting support, a compression plate, a die core, a die sleeve, a die cavity cover and a die cavity, wherein the die splitting body is connected with the die sleeve; one side of the die body is connected with a control plate, a compression nut is arranged on the control plate, one end of the control plate is connected with a die sleeve, the other end of the control plate is connected with a push plate, and the push plate is arranged on one side of the die core; the push pedal free end is connected the back die body, is provided with the shaping support in the back die body, and shaping support is kept away from mold core one end and is provided with the shaping clamp plate, and after waiting to mould the material gets into by the bush, in the branch mould awl spread the material to the reposition of redundant personnel support, compression board compression compaction is carried out the material again, and shaping three-chamber shape is carried out through shaping support and shaping clamp plate again, can obtain three-chamber drainage pipe.

Description

Extrusion die suitable for medical development catheter

Technical Field

The utility model relates to the field of medical instrument production, in particular to an extrusion die suitable for a medical developing catheter.

Background

Minimally invasive interventional therapy is a new treatment means developed in the medical field in recent decades, and has the characteristics of small incision, small wound, less bleeding, quick recovery, less pain and the like compared with the traditional operation. The drainage catheter and other interventional catheters related to the minimally invasive interventional therapy are guided by electronic equipment such as X-ray machine, CT (computed tomography), ultrasound and the like, and the strong ionizing radiation generated by the X-ray machine and the CT is harmful to human health, so that the monitoring and positioning by using simple and safe ultrasound imaging equipment become a primary consideration mode for clinicians. However, the existing interventional catheter is mainly made of medical grade plastic, has the problems of poor ultrasonic development capability, especially non-ideal ultrasonic development of the tip of the catheter, and further affects the safety and success rate of ultrasonic guided minimally invasive interventional therapy, medical staff cannot know the specific position of the catheter in the body, inconvenience is brought to diagnosis and treatment, and therefore the existing catheter with development lines is required to solve the problems.

However, in the prior art, the ultrasonic development capability of the catheter extruded by the catheter extrusion die is not strong, so the utility model proposes to inject the developer into the incident tube, the incident tube is connected to the split-flow bracket, and because one end of the incident tube is provided with the flow hole, the flow hole is communicated with the flow channel, the developer is extruded into the tube blank through the split-flow bracket, so that the developer is coated on the formed catheter tube blank to obtain the drainage catheter coated by a plurality of development lines, thereby solving the problem that the medical staff cannot know the specific position of the catheter in the body in the use process of the catheter.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the extrusion die suitable for the medical developing catheter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an extrusion die suitable for use in a medical imaging catheter, comprising: the die comprises a die sleeve and a die body connected with the die sleeve, wherein a die splitting cone and a die splitting support are arranged in the die body, the die splitting cone is arranged near one end of the die sleeve, the die splitting support is connected with one end of the die splitting cone far away from the die sleeve, a compression plate is fixed at the free end of the die splitting support, a groove is formed in the compression plate, and a die core is fixedly connected in the groove;

one side of the die body is connected with a control plate, a compression nut is arranged on the control plate, one end of the control plate is connected with the die sleeve, the other end of the control plate is connected with a push plate, and the push plate is arranged on one side of the die core;

the push plate free end is connected with the rear die body, a forming support is arranged in the rear die body, and a forming pressing plate is arranged at one end, far away from the die core, of the forming support.

In a preferred embodiment of the present utility model, the split support is connected with an incident tube, and the incident tube extends out of the split mold body through the surface of the split mold body.

In a preferred embodiment of the present utility model, the incident tube is disposed on a side of the mold body away from the pushing plate, and the incident tube is slidably connected to the mold body.

In a preferred embodiment of the present utility model, a runner is provided in the die sleeve, the runner is a double runner, and the surfaces of the runners are polished to be mirror surfaces.

In a preferred embodiment of the utility model, the parting cone is triangular, the top end of the parting cone is connected with the die sleeve, and the connection part of the top end is arc-shaped.

In a preferred embodiment of the present utility model, the mold core is of a conical design, and the conical tip is disposed near one end of the rear mold body.

In a preferred embodiment of the present utility model, a connection port is provided on one side of the split mold, and the incident tube is inserted into the split mold through the connection port.

In a preferred embodiment of the present utility model, one end of the incident tube is provided with a flow hole, and the flow hole is communicated with the flow channel.

In a preferred embodiment of the present utility model, the compression nuts are arranged in two groups, one group of the compression nuts is arranged at one side of the diverter cone, and the other group of the compression nuts is arranged at one side of the compression plate.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

(1) According to the utility model, the split die cone and the split die support are arranged, after a material to be molded enters from the die sleeve, the material is diffused into the split die support through the split die cone, then compressed and compacted through the compression plate, and then the three-cavity drainage catheter can be obtained through the forming support and the forming pressing plate.

(2) According to the utility model, the developer is injected into the incidence tube, the incidence tube is connected to the split-flow support, and as one end of the incidence tube is provided with the flow hole, the flow hole is communicated with the flow channel, so that the developer is extruded into the tube blank through the split-flow support, the developer is coated on the formed tube blank of the catheter, the drainage catheter coated by a plurality of developing lines is obtained, the catheter with the developing lines solves the problems that the developing effect of the silicone rubber material is poor under X-ray, medical staff cannot know the specific position of the catheter in the body, and inconvenience is brought to diagnosis and treatment.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a cross-sectional view of an extrusion die according to a preferred embodiment of the present utility model;

fig. 2 is a schematic top sectional view of a die sleeve according to a preferred embodiment of the present utility model.

In the figure: 1. a die sleeve; 2. separating a mould cone; 3. a shunt support; 4. a mold core; 5. a control board; 51. compressing the nut; 6. a push plate; 7. a compression plate; 8. a rear mold body; 81. forming a bracket; 82. forming a pressing plate; 9. an incident tube.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

As shown in fig. 1-2, an extrusion die suitable for use in a medical imaging catheter, comprising: the die sleeve 1 with die body that die sleeve 1 is connected divides the die body, be provided with die splitting awl 2 and reposition of redundant personnel support 3 in the die body, die splitting awl 2 sets up being close to die sleeve 1 one end, reposition of redundant personnel support 3 connects die splitting awl 2 is kept away from die sleeve 1 one end, 3 free ends of reposition of redundant personnel support are fixed with compression board 7, be provided with the recess on the compression board 7, fixedly connected with mold core 4 in the recess, die splitting one side is connected with control panel 5, be provided with compression nut 51 on the control panel 5, control panel 5 one end is connected die sleeve 1, control panel 5 other end is connected push pedal 6, push pedal 6 sets up be in 4 one side, die body 8 behind push pedal 6 free end connection, be provided with shaping support 81 in the die body 8 behind, shaping support 81 keeps away from mold core 4 one end is provided with shaping clamp plate 82.

The die parting cone 2 and the die parting support are arranged, after a material to be molded enters from the die sleeve 1, the material is diffused into the split support 3 through the die parting cone 2, then the material is compressed and compacted through the compression plate 7, and then the three-cavity drainage catheter can be obtained through the forming support 81 and the forming pressing plate 82.

In a preferred embodiment of the present utility model, the split support 3 is connected with an incident tube 9, the incident tube 9 extends out of the split mold body through the surface of the split mold body, the incident tube 9 is disposed on a side of the split mold body away from the push plate 6, the incident tube 9 is slidably connected with the split mold body, a connection port is disposed on a side of the split mold body, and the incident tube 9 is inserted into the split mold body through the connection port.

Through injecting the developer into incident tube 9, incident tube 9 connects on reposition of redundant personnel support 3, owing to incident tube 9 one end is provided with the flow hole, and the flow hole is linked together with the runner, so developer extrudes in the pipe embryo through reposition of redundant personnel support 3, makes the developer cladding on the pipe embryo of formation, obtains by the drainage pipe of a plurality of development line cladding, and the pipe that has the development line has solved the silicone rubber material and has developed effectually under the X ray, makes medical staff unable knowing the specific position of pipe in the body, brings inconvenient problem for diagnosis and treatment.

In a preferred embodiment of the present utility model, a runner is provided in the die sleeve 1, the runner is a dual runner, and the surfaces of the runners are polished to be mirror surfaces.

In a preferred embodiment of the present utility model, the parting cone 2 is triangular, the top end of the parting cone 2 is connected with the die sleeve 1, and the connection part of the top end is arc-shaped.

In a preferred embodiment of the utility model, the mould core 4 is of conical design, the conical tip being arranged at the end near the rear mould body 8.

In a preferred embodiment of the present utility model, an end of the incident tube 9 is provided with a flow hole, and the flow hole is communicated with the flow channel.

In a preferred embodiment of the present utility model, the compression nuts 51 are provided in two groups, one group of the compression nuts 51 is disposed at one side of the tap, and the other group of the compression nuts 51 is disposed at one side of the compression plate 7.

When the utility model is used, the material is injected from the die sleeve 1, after the material enters the runner in the die sleeve 1 and meets the parting cone 2, the material is diffused to the parting bracket 3 along the parting cone 2 under the action of the parting cone 2, the material is compressed and compacted through the compression plate 7, then the material is molded into a three-cavity shape under the action of the molding bracket 81 and the molding pressing plate 82, at the moment, the developer is injected into the incidence tube 9, the incidence tube 9 is connected to the parting bracket 3, and because one end of the incidence tube 9 is provided with a flow hole, the flow hole is communicated with the runner, the developer is extruded into a pipe blank through the parting bracket 3, so that the developer is coated on the formed pipe blank, and the drainage pipe coated by a plurality of developing lines is obtained, and the operation is finished.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. An extrusion die suitable for use in a medical imaging catheter, comprising: the die sleeve is connected with the die body, and is characterized in that:

the die comprises a die body, a die sleeve and a die cavity, wherein the die cavity is internally provided with a die parting cone and a die parting bracket, the die parting cone is arranged at one end close to the die sleeve, the die parting bracket is connected with one end, far away from the die sleeve, of the die parting cone, the free end of the die parting bracket is fixedly provided with a compression plate, the compression plate is provided with a groove, and a die core is fixedly connected in the groove;

the free end of the push plate is connected with a rear die body, a forming bracket is arranged in the rear die body, and a forming pressing plate is arranged at one end, far away from the die core, of the forming bracket; the compression nuts are two groups, one group of compression nuts is arranged on one side of the parting cone, and the other group of compression nuts is arranged on one side of the compression plate.

2. An extrusion die for medical developing catheters as set forth in claim 1, wherein: the split support is connected with an incident pipe, and the incident pipe penetrates through the surface of the split body and extends out of the split body.

3. An extrusion die for medical developing catheters as set forth in claim 2, wherein: the incidence pipe is arranged on one side of the split die body far away from the push plate, and the incidence pipe is in sliding connection with the split die body.

4. An extrusion die for medical developing catheters as set forth in claim 2, wherein: the die sleeve is internally provided with a runner, the runner is a double runner, and the surfaces of the runners are polished to be mirror surfaces.

5. An extrusion die for medical developing catheters as set forth in claim 1, wherein: the die parting cone is triangular, the top end of the die parting cone is connected with the die sleeve, and the joint of the top end is arc-shaped.

6. An extrusion die for medical developing catheters as set forth in claim 1, wherein: the mold core is in a conical design, and the conical top end is arranged close to one end of the rear mold body.

7. An extrusion die for medical developing catheters as set forth in claim 2, wherein: one side of the split die body is provided with a connecting port, and the incident pipe is inserted into the split die body through the connecting port.

8. An extrusion die for medical imaging catheters as set forth in claim 4, wherein: and one end of the incidence pipe is provided with a flow hole, and the flow hole is communicated with the flow channel.