Patent US1593993A successfully refreshed from Google Patents.
Patent US3370305A successfully refreshed from Google Patents.
US3370305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heart valve with magnetic hinge means
Assignee: ROBERT T BRUSS
•
Filing: 1965-05-28
•
Granted: 1968-02-27
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Goott Bernard
- 👤 Robert T Bruss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:53
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2403; F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; A61F2210/00; A61F2210/009; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7898
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
A PROSTHETIC HEART VALVE FOR REPLACEMENT OF MALFUNCTIONING NATURAL HEART VALVES COMPRISING (A) A GENERALLY ANNUALAR RIGID VALVE BODY, (B) AN ANNULAR EXTERNAL CHANNEL TO RECEIVE A SUTURE RING FOR ATTACHMENT OF SAID VALVE TO LIVING TISSUE, (C) A CENTRAL BLOOD FLOW CHANNEL THROUGH SAID BODY, (D) ONE END OF SAID CHANNEL BEING OF ENLARGED DIAMETER, (E) VALVE SEAT MEANS AT SAID ENLARGED END OF SAID CHANNEL, (F) A DISC VALVING ELEMENT SEATING IN CLOSED POSITION ON SAID VALVE SEAT MEANS, SAID DISC VALVING ELEMENT BEING MAGNETICALLY ATTRACTIVE OVER AT LEAST A PORTION OF ITS PERIPHERY, (G) MAGNETIC HINGE MEANS ADJACENT SAID ENLARGED END OF SAID BLOOD FLOW CHANNEL MAGNETICALLY ENGAGING ONE EDGE OF SAID DISC VALVING ELEMENT IN PIVOTAL RELATIONSHIP, AND (H) LIMIT STOP MEANS ADJACENT SAID HINGE MEANS TO RESTRICT THE MOVEMENT OF SAID DISC VALVING ELEMENT.
Claim 2
Dependent Claim
139 words
A PROSTHETIC HEART VALVE FOR REPLACEMENT OF MALFUNCTIONING NATURAL HEART VALVES COMPRISING (A) A GENERALLY ANNUALAR RIGID VALVE BODY, (B) AN ANNULAR EXTERNAL CHANNEL TO RECEIVE A SUTURE RING FOR ATTACHMENT OF SAID VALVE TO LIVING TISSUE, (C) A CENTRAL BLOOD FLOW CHANNEL THROUGH SAID BODY, (D) ONE END OF SAID CHANNEL BEING OF ENLARGED DIAMETER, (E) VALVE SEAT MEANS AT SAID ENLARGED END OF SAID CHANNEL, (F) A DISC VALVING ELEMENT SEATING IN CLOSED POSITION ON SAID VALVE SEAT MEANS, SAID DISC VALVING ELEMENT BEING MAGNETICALLY ATTRACTIVE OVER AT LEAST A PORTION OF ITS PERIPHERY, (G) MAGNETIC HINGE MEANS ADJACENT SAID ENLARGED END OF SAID BLOOD FLOW CHANNEL MAGNETICALLY ENGAGING ONE EDGE OF SAID DISC VALVING ELEMENT IN PIVOTAL RELATIONSHIP, AND (H) LIMIT STOP MEANS ADJACENT SAID HINGE MEANS TO RESTRICT THE MOVEMENT OF SAID DISC VALVING ELEMENT.
Claim 3
Dependent Claim
112 words
A CHECK VALVE COMPRISING (A) A GENERALLY ANNULAR RIGID VALVE BODY, (B) A CENTRAL FLUID FLOW CHANNEL THROUGH SAID BODY, (C) ONE END OF SAID CHANNEL BEING OF ENLARGED DIAMETER, (D) VALVE SEAT MEANS AT SAID ENLARGED END OF SAID CHANNEL, (E) A DISC VALVING ELEMENT SEATING IN CLOSED POSITION ON SAID VALVE SEAT MEANS, SAID DISC VALVING ELEMENT BEING MAGNETICALLY ATTRACTIVE OVER AT LEAST A PORTION OF ITS PERIPHERY, (F) MAGNETIC HINGE MEANS ADJACENT SAID ENLARGED END OF SAID FLOW CHANNEL MAGNETICALLY ENGAGING ONE EDGE OF SAID DISC VALVE ELEMENT IN PIVOTAL RELATIONSHIP, AND (G) LIMIT STOP MEANS ADJACENT SAID HINGE MEANS TO RESTRICT THE MOVEMENT OF SAID DISC VALVING ELEMENT.
Claim 4
Dependent Claim
112 words
A CHECK VALVE COMPRISING (A) A GENERALLY ANNULAR RIGID VALVE BODY, (B) A CENTRAL FLUID FLOW CHANNEL THROUGH SAID BODY, (C) ONE END OF SAID CHANNEL BEING OF ENLARGED DIAMETER, (D) VALVE SEAT MEANS AT SAID ENLARGED END OF SAID CHANNEL, (E) A DISC VALVING ELEMENT SEATING IN CLOSED POSITION ON SAID VALVE SEAT MEANS, SAID DISC VALVING ELEMENT BEING MAGNETICALLY ATTRACTIVE OVER AT LEAST A PORTION OF ITS PERIPHERY, (F) MAGNETIC HINGE MEANS ADJACENT SAID ENLARGED END OF SAID FLOW CHANNEL MAGNETICALLY ENGAGING ONE EDGE OF SAID DISC VALVE ELEMENT IN PIVOTAL RELATIONSHIP, AND (G) LIMIT STOP MEANS ADJACENT SAID HINGE MEANS TO RESTRICT THE MOVEMENT OF SAID DISC VALVING ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |