Patent number: US5693090

Publication date: 1997-12-02

Inventor: UNSWORTH WILLIAM DAVID (GB); ANGELINI GIANNI DAVIDE (GB); PISTOLESI CLAUDIO (IT)

Applicant: CARDIO CARBON CO LTD (GB)

Classification: - international: A61F2/24; A61F2/24; (IPC1-7): A61F2/24 - european: A61F2/24B

Application number: US19960732225 19961126

Priority number(s): GB19940008314 19940427; WO1995GB00877 19950418

Abstract of US5693090
PCT No. PCT/GB95/00887 Sec. 371 Date Nov. 26, 1996 Sec. 102(e) Date Nov. 26, 1996 PCT Filed Apr. 18, 1995 PCT Pub. No. WO95/28898 PCT Pub. Date Nov. 2, 1995The heart valve prosthesis comprises a substantially annular valve body having leaflets pivotally mounted to the valve body to be pivotable between respective open positions, in which blood is permitted to pass through the valve, and respective closed positions in which blood flow through the valve is substantially inhibited. The valve body is constructed of at least two part-annular elements and each respective leaflet is provided with at least two spaced pivot formations, each arranged to engage with a respective complementary pivot formation provided on a different part annular element. The annular body is assembled from the sub-elements and secured around the leaflets to provide a rigid annular body without the need for deformation or deflection of the annular body on assembly

Heart Valve Patent

Bill Unsworth Web Site