US3154079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cannula for heart and vascular surgery
Assignee: Individual
•
Filing: 1962-02-23
•
Granted: 1964-10-27
•
Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Lester M Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0074; A61M25/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A CANNULA SUITABLE FOR HEART AND VASCULAR SURGERY COMPRISING, IN COMBINATION, (A) AN ELONGATED TUBE MEMBER HAVING A CURVED SECTION AND HAVING DISPOSED ON THE SAID MEMBER AN INCLINED CAM SURFACE FORMED ON ONE END OF THE SAID TUBE MEMBER, (B) AN EXPANSIBLE TIP MEMBER ADJACENT TO THE SAID END AND OPERABLY ENGAGING SAID CAM SURFACE, (C) ACTUATING MEANS, SECURED TO SAID TUBE MEMBER, FOR MOVING SAID TIP MEMBER IN ONE DIRECTION TO EXPAND SAID TIP MEMBER AND IN THE OPPOSITE DIRECTION TO PERMIT SAID TIP MEMBER TO RETRACT, (D) A BIASING MEANS BETWEEN THE SAID TIP MEMBER AND SAID ACTUATING MEANS WHEREBY THE MOVEMENT OF THE ACTUATING MEANS IS TRANSMITTED DIAGONALLY AROUND THE SAID CURVED SECTION, (E) THE OTHER END OF THE TUBE MEMBER BEING ADAPTED TO RECEIVE AND SECURE FLEXIBLE TUBING.
Claim 2
Dependent Claim
133 words
A CANNULA SUITABLE FOR HEART AND VASCULAR SURGERY COMPRISING, IN COMBINATION, (A) AN ELONGATED TUBE MEMBER HAVING A CURVED SECTION AND HAVING DISPOSED ON THE SAID MEMBER AN INCLINED CAM SURFACE FORMED ON ONE END OF THE SAID TUBE MEMBER, (B) AN EXPANSIBLE TIP MEMBER ADJACENT TO THE SAID END AND OPERABLY ENGAGING SAID CAM SURFACE, (C) ACTUATING MEANS, SECURED TO SAID TUBE MEMBER, FOR MOVING SAID TIP MEMBER IN ONE DIRECTION TO EXPAND SAID TIP MEMBER AND IN THE OPPOSITE DIRECTION TO PERMIT SAID TIP MEMBER TO RETRACT, (D) A BIASING MEANS BETWEEN THE SAID TIP MEMBER AND SAID ACTUATING MEANS WHEREBY THE MOVEMENT OF THE ACTUATING MEANS IS TRANSMITTED DIAGONALLY AROUND THE SAID CURVED SECTION, (E) THE OTHER END OF THE TUBE MEMBER BEING ADAPTED TO RECEIVE AND SECURE FLEXIBLE TUBING.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |