Patent US3906955A successfully refreshed from Google Patents.
US3906955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical cauterizing tool having suction means
Assignee: Individual
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Filing: 1974-05-06
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Granted: 1975-09-23
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Expires: 1994-05-06
Abstract
Abstract A medical tool which comprises a cauterizing blade mounted in a plastic handle or body, and a manually retractable vacuum tube which can be positioned adjacent the cauterizing tool to evacuate the cauterizing area, or which can be retracted therefrom when no evacuation is necessary. The cauterizing blade is connected to an electrical conductor by means of a connector which permits quick and easy replacement of the blade. The retractable tube is adapted to be connected to a source of vacuum.
Inventors
- 👤 Richard R Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:23
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1402; A61B2018/1405; A61B2018/1422; A61B2218/00; A61B2218/001; A61B2218/007; A61B2218/008
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
108 words
A medical tool comprising in combination, an elongated body formed with first and second through openings and a cavity in a side wall thereof, cauterizing means comprising an electrical conductor within said first through opening and a cauterizing blade extending from one end of said first opening and connected in circuit with said conductor, a tube slideably positioned within said second through opening and adapted to be connected to a vacuum source, and a slider extending through said cavity in said body and fastened to said tube to be manually operated exteriorly of said body to extend and retract said tube to and from adjacent said cauterizing blade.
Claim 2
Dependent Claim
108 words
A medical tool comprising in combination, an elongated body formed with first and second through openings and a cavity in a side wall thereof, cauterizing means comprising an electrical conductor within said first through opening and a cauterizing blade extending from one end of said first opening and connected in circuit with said conductor, a tube slideably positioned within said second through opening and adapted to be connected to a vacuum source, and a slider extending through said cavity in said body and fastened to said tube to be manually operated exteriorly of said body to extend and retract said tube to and from adjacent said cauterizing blade.
Claim 3
Dependent Claim
32 words
A medical tool according to claim 1, wherein said slider is formed with a depending portion which extends through said cavity and is fastened to said tube within said second through opening.
Claim 4
Dependent Claim
39 words
A medical tool according to claim 2, wherein said slider has an extension disposed at an angle to said depending portion to cover said cavity in said side wall to be manually operable for extending and retracting said tube.
Claim 5
Dependent Claim
37 words
A medical tool according to claim 3, wherein said body is generally cylindrical and said extension is arcuate to conform to said external shape of said body and to cover the cavity in the side wall thereof.
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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) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |