Balloon catheter manufacturing method and device using thermosetting resin
A technology for a balloon catheter and a manufacturing method, which is applied to balloon catheters, catheters, applications, etc., can solve the problems of intermittent operation procedures, complicated manufacturing procedures, and unspecified drying procedures, and achieves fast production and saves manufacturing time and costs. , the effect of preventing adverse phenomena
Active Publication Date: 2022-07-12
李济权
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Problems solved by technology
This method removes the complicated process related to the balloon, and is simpler than the existing method, but it needs the air lumen perforation, coating of release agent and drying process. It is inevitable to cut and process the extruded tube once, so the working process is interrupted. , unable to produce continuously, resulting in high manufacturing cost
[0009] The patent registration number 10-0689238 is to make up for the defects of the above-mentioned 10-043720, and proposes a continuous production method, but the problem in this patent is that when the air lumen is perforated with a laser, soot is left at the perforated part, and the tube in the manufacturing process There is a danger of fire, and the drying process after coating the release agent has not been specified
However, when forming a balloon using a variable die, if the extruder die end portion cannot be directly solidified, the primary extruded material and the secondary extruded material contact each other to form a balloon, so the extruded material cannot be solidified immediately after extruding. speed up to a certain extent
It is directly related to production speed, resulting in increased unit cost
[0016] The prior art is, as mentioned above, complex manufacturing process, high manufacturing cost, or due to various restrictions, its applicability will be limited, so it is particularly necessary to improve
Method used
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[0049] By applying a negative pressure intermittently to the suction line (32) through a suction device such as a compression surface (not shown), the suction can be sucked through the suction hole (34) and flow down from the inner wall of the jet restricting membrane (26). of release agent residue.
[0050] According to yet another embodiment of the present invention, there is provided a method of heating the spray limiting film (26) itself to vaporize the accumulated portion of the sprayed release agent limiting film (26) instantly. That is to say, if a heat wire (not shown) is installed on the predetermined part of the spray restricting film (26), and the heat is heated above the boiling point of the release agent, the residual amount of the sprayed release agent will contact the spray restricting film (26) and evaporate immediately. , and thus will not cause adverse phenomena.
[0051] In this method, the primary tube (14) can be cured to a certain extent by the heat of t...
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The present invention relates to a method for manufacturing a balloon catheter using a thermosetting resin, and its object is to provide a method that utilizes the curing characteristics of the thermosetting resin to combine the drying process after applying the release agent and the curing process, so as to rapidly manufacture a Cost-effective method of manufacturing balloon catheters using thermosetting resins.
Description
technical field [0001] The present invention relates to a method for manufacturing a balloon catheter using a thermosetting resin and a device thereof. Specifically, by utilizing the curing properties of the thermosetting resin, after the release agent is applied, the drying process and the curing process are combined, so that a continuous process can be used to rapidly manufacture a balloon catheter. A cost-effective method of manufacturing a balloon catheter using a thermosetting resin. Background technique [0002] As we all know, the so-called thermosetting resin is a low-molecular-weight resin that generates a three-dimensional network structure polymer through a cross-linking reaction through heat, catalysis, ultraviolet light, etc., and a typical one is silicone rubber. [0003] Due to the characteristics of this thermosetting resin, in the low-molecular resin state before curing, as an amorphous substance, it can be deformed under the action of external force, but af...
Claims
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IPC IPC(8): B29C48/91B29C48/10B29C48/00B29C48/18B29C33/58A61M25/10B29L31/00
CPCB29C48/91B29C48/09B29C48/151B29C48/34B29C48/21B29L2031/7543B29K2101/10A61M25/1036A61M25/1034B29C48/12B29C48/9105A61M25/1027B29C33/58B29C48/10B29C48/18B29C48/0013A61M2207/10B29C48/001A61M25/1029A61M2025/1031
Inventor 李济权
Owner 李济权