Patent EP0300512A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0300512A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Heart valve prothesis

Assignee: Carbomedics Inc
•
Filing: 1985-09-23
•
Granted: —
•
Expires: 2005-09-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A heart valve prostheses (121) comprising a generally annular body (123) which has an interior surface (127) that defines a central passageway for blood flow therethrough, occluder means (125) supported on said body for alternately blocking and then allowing the flow of blood through said passageway in a predetermined direction, said occluder means (125) being formed with means at opposite locations in the periphery thereof that cooperate with complementary means interior of said annular body, and a pair of opposed seat means (161,163) provided on the interior surface (127) of an annular body (123), each of said seat means (161,163) having a surface which is generally that of a portion of a frustum of a cone so that when the periphery of the occluder (125) engages said pair of seat means (161,163) in the closed position a good seal is achieved therealong.

Inventors

  • 👤 Jack Chester Bokros

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 19:00
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2403

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A heart valve prostheses (121) comprising a generally annular body (123) which has an interior surface (127) that defines a central passageway for blood flow therethrough, occluder means (125) supported on said body for alternately blocking and then allowing the flow of blood through said passageway in a predetermined direction, said occluder means (125) being formed with means at opposite locations in the periphery thereof that cooperate with complementary means interior of said annular body, and a pair of opposed seat means (161,163) provided on the interior surface (127) of an annular body (123), each of said seat means (161,163) having a surface which is generally that of a portion of a frustum of a cone so that when the periphery of the occluder (125) engages said pair of seat means (161,163) in the closed position a good seal is achieved therealong.
Claim 2
Dependent Claim 142 words
A heart valve prostheses (121) comprising a generally annular body (123) which has an interior surface (127) that defines a central passageway for blood flow therethrough, occluder means (125) supported on said body for alternately blocking and then allowing the flow of blood through said passageway in a predetermined direction, said occluder means (125) being formed with means at opposite locations in the periphery thereof that cooperate with complementary means interior of said annular body, and a pair of opposed seat means (161,163) provided on the interior surface (127) of an annular body (123), each of said seat means (161,163) having a surface which is generally that of a portion of a frustum of a cone so that when the periphery of the occluder (125) engages said pair of seat means (161,163) in the closed position a good seal is achieved therealong.

References Cited (Backward Citations)

US3445863A Cited
US3546711A Cited
US4078268A Cited
US4159543A Cited
US4225980A Cited
US4178639A Cited
US4233690A Cited
US4373216A Cited
EP0055406A1 Cited
EP0176337A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag