US3093135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled surgical instrument
Assignee: Individual
•
Filing: 1962-01-29
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Granted: 1963-06-11
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Max L Hirschhorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/02; F; F25; F25B; F25B21/00; F25B21/02; A61B2018/0231; A61B2018/0237; A61B2018/0243; A61B2018/0256; A61F; A61F7/00; A61F7/007; A61F2007/0075; F25B2321/00; F25B2321/02; F25B2321/021; F25B2321/0212; F25B2321/025; F25B2321/0251; Y; Y10; Y10S; Y10S82/00; Y10S82/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SURGICAL INSTRUMENT COMPRISING A HEAT CONDUCTIVE BODY HAVING A KNIFE EDGE IN HEAT CONDUCTIVE RELATION WITH THE BODY, A HEAT CONDUCTIVE ROD HEAT CONDUCTIVELY CONNECTED TO SAID BODY, A PLURALITY OF PELTIER CELLS EACH HAVING A COLD AND A HOT JUNCTION CONNECTED AT THEIR COLD JUNCTION TO THE ROD, MEANS TO CONNECT THE PELTIER CELLS TO A SOURCE OF DIRECT CURRENT ELECTRICITY, HEAT RADIATING METAL FINS CONNECTED TO THE HOT JUNCTIONS OF THE PELTIER CELLS, AND A THERMALLY AND ELECTRICALLY INSULATIVE HANDLE COMPRISING THE EXTERIOR PORTION OF THE INSTRUMENT WHEREBY THE KNIFE EDGE IS COOLED FOR SURGICAL OPERATIONS.
Claim 2
Dependent Claim
99 words
A SURGICAL INSTRUMENT COMPRISING A HEAT CONDUCTIVE BODY HAVING A KNIFE EDGE IN HEAT CONDUCTIVE RELATION WITH THE BODY, A HEAT CONDUCTIVE ROD HEAT CONDUCTIVELY CONNECTED TO SAID BODY, A PLURALITY OF PELTIER CELLS EACH HAVING A COLD AND A HOT JUNCTION CONNECTED AT THEIR COLD JUNCTION TO THE ROD, MEANS TO CONNECT THE PELTIER CELLS TO A SOURCE OF DIRECT CURRENT ELECTRICITY, HEAT RADIATING METAL FINS CONNECTED TO THE HOT JUNCTIONS OF THE PELTIER CELLS, AND A THERMALLY AND ELECTRICALLY INSULATIVE HANDLE COMPRISING THE EXTERIOR PORTION OF THE INSTRUMENT WHEREBY THE KNIFE EDGE IS COOLED FOR SURGICAL OPERATIONS.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |