Patent ID: 9421349
Filing Date: 2016-08-23
CPC Classification: A61B,A61M

Claim Text:
1. An angioplasty pressure transducer, comprising: a cylindrical member composed of a substantially rigid plastic, the cylindrical member defining an inner cavity, the cylindrical member includes a cylindrical wall having an inner surface and an outer surface, as well as a first end and a second end, the first end of the cylindrical member being provided with a fluid port allowing the passage of fluid into and out of the cylindrical member due to pressure changes in physiological fluid being monitored, the fluid port also including a coupling mechanism for selective attachment of a cannula thereto; a cylindrical elastomeric sleeve surrounding the cylindrical member such that the cylindrical elastomeric sleeve is wrapped about the outer surface of the cylindrical member; a cylindrical, transparent housing member positioned about the cylindrical member such that a substantial portion of the outer surface of the cylindrical member, as well as the elastomeric sleeve, are enclosed and encased within the housing member; the cylindrical wall includes a plurality of small apertures spaced about the circumference of the cylindrical wall at a position substantially located at the longitudinal center of the cylindrical member, the apertures permitting pressurized fluid to pass between the inner cavity and the outer surface of the cylindrical member for expansion of the elastomeric sleeve such that contact between the transparent housing member and the elastomeric sleeve varies based upon applied pressure.