Patent ID: 9265605
Filing Date: 2016-02-23
CPC Classification: A61B,A61F,A61M,A61P,F16K

Claim Text:
1. A one way valve for a biological flow passage, comprising: an elongated braided structure sized for insertion in the biological flow passage, a portion of the braided structure forming a substantially tubular shell, the braided structure maintaining an expanded operative shape after being deformed to a small dimension; a non porous coating of the braided structure; a constricted portion of the elongated braided structure disposed between a proximal end and a distal end thereof, the constricted portion closing off a channel of the braided structure and defining at least one funnel shaped region of the braided structure to prevent flow towards the distal end; and at least one hole formed in the non porous coating, permitting a flow of one of air and fluid towards the proximal end.