Patent US3963892A successfully refreshed from Google Patents.
US3963892A
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US
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Controlling the microwave heating of flowing blood as a function of heated blood temperature
Assignee: CAMPH ENGR CO AB
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Filing: 1973-06-13
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Granted: 1976-06-15
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Expires: 1993-06-13
Abstract
Abstract Blood is heated by microwaves confined inside a chamber into which the blood is passed.
Inventors
- 👤 Sven Erik Camph
- 👤 Kjell Ake Bertil Holmgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50; A; A61; A61M; A61M5/00; A61M5/44; H05B6/62; A61M2205/00; A61M2205/36; A61M2205/368; A61M2205/3686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A method of heating blood for on line use directly into a patient, characterized by the steps of introducing a continuous flow of blood into a shield chamber through a microwave preamble flexible hose to pass therethrough, exposing the blood flowing within said chamber to the heating action of microwaves, and controlling the duration of exposure and energy of the microwaves from the microwave generator in response to the temperature of the blood which has passed through said chamber so that the blood is heated to the desired temperature.
Claim 2
Independent Claim
89 words
A method of heating blood for on line use directly into a patient, characterized by the steps of introducing a continuous flow of blood into a shield chamber through a microwave preamble flexible hose to pass therethrough, exposing the blood flowing within said chamber to the heating action of microwaves, and controlling the duration of exposure and energy of the microwaves from the microwave generator in response to the temperature of the blood which has passed through said chamber so that the blood is heated to the desired temperature.
References Cited (Backward Citations)
US2585970A
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US2833657A
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US3092514A
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US3427422A
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US3462575A
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US3495648A
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US3668358A
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US3778578A
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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) | 1979-06-15 | 1979-12-15 | 1980-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-15 | 1983-12-15 | 1984-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-15 | 1987-12-15 | 1988-06-15 | $7700.00 | Window Closed / Lapsed |