US3181533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical snare
Assignee: Individual
•
Filing: 1962-01-15
•
Granted: 1965-05-04
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 William C Heath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:57
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/32056; A61B17/24; A61B17/26; A61B17/00234; A61B2017/00358
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A SURGICAL SNARE EMPLOYING A SURGICAL WIRE, A BODY HAVING A NOZZLE THROUGH WHICH THE FREE ENDS OF THE SURGICAL WIRE FORMING A LOOP ARE THREADED, AND PULL MEANS CARRIED BY SAID BODY SECURING SAID FREE ENDS TO PULL THE LOOP INTO THE NOZZLE IN OPERATION BY PULLING BOTH ENDS SIMULATANEOUSLY RELATIVE TO THE NOZZLE, SAID PULL MEANS COMPRISING A CYLINDRICAL TUBULAR PLUNGER AXIALLY MOVABLE IN SAID BODY AND HAVING RATCHET TEETH ON SIDE THEREOF, RATCHET ACTUATING MEANS CARRIED BY SAID BODY AND INCLUDING PAWL MEANS ENGAGEABLE WITH SAID TEETH, AND MEANS TO ACTUATE SAID PAWL MEANS RELATIVE TO SAID RATCHET TEETH TO EFFECT MOVEMENT OF SAID PLUNGER IN A DIRECTION TO PULL SAID WIRE, AND SAID PLUNGER BEING ROTATABLE IN SAID BODY TO DISENGAGE SAID RATCHET TEETH FROM SAID PAWL MEANS AND THEREBY RELEASE SAID PLUNGER FOR RAPID RETURN IN A DIRECTION OPPOSITE TO SAID WIRE PULL DIRECTION.
Claim 2
Dependent Claim
150 words
IN A SURGICAL SNARE EMPLOYING A SURGICAL WIRE, A BODY HAVING A NOZZLE THROUGH WHICH THE FREE ENDS OF THE SURGICAL WIRE FORMING A LOOP ARE THREADED, AND PULL MEANS CARRIED BY SAID BODY SECURING SAID FREE ENDS TO PULL THE LOOP INTO THE NOZZLE IN OPERATION BY PULLING BOTH ENDS SIMULATANEOUSLY RELATIVE TO THE NOZZLE, SAID PULL MEANS COMPRISING A CYLINDRICAL TUBULAR PLUNGER AXIALLY MOVABLE IN SAID BODY AND HAVING RATCHET TEETH ON SIDE THEREOF, RATCHET ACTUATING MEANS CARRIED BY SAID BODY AND INCLUDING PAWL MEANS ENGAGEABLE WITH SAID TEETH, AND MEANS TO ACTUATE SAID PAWL MEANS RELATIVE TO SAID RATCHET TEETH TO EFFECT MOVEMENT OF SAID PLUNGER IN A DIRECTION TO PULL SAID WIRE, AND SAID PLUNGER BEING ROTATABLE IN SAID BODY TO DISENGAGE SAID RATCHET TEETH FROM SAID PAWL MEANS AND THEREBY RELEASE SAID PLUNGER FOR RAPID RETURN IN A DIRECTION OPPOSITE TO SAID WIRE PULL DIRECTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |