Method of making a filter assembly having a flexible housing
View Patent ↗A method of making a blood filter assembly provides first and second filter housing elements from a flexible thermoplastic material, each of the first and second housing elements including a molded port. The method places a filter media between the first and second filter housing elements and applies radio frequency heating and pressure to form a peripheral seal that joins the first and second filter housing elements to the filter media and encapsulates the filter media between the first and second housing elements.
1. A method of making a blood filter assembly comprising the steps of:
providing first and second filter housing elements from a flexible thermoplastic material, each of the first and second housing elements including a molded port,
placing a filter media between the first and second filter housing elements, and
applying radio frequency heating and pressure to form a peripheral seal that joins the first and second filter housing elements direcely to the filter media and encapsulates the filter media between the first and second housing elements.
2. The method of claim 1 wherein the flexible thermoplastic material includes polyvinyl chloride material.