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US3374066A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermostabilizer for extracorporeal oxygenator

Assignee: WILLIAM E FARRANT
•
Filing: 1964-06-15
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Granted: 1968-03-19
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Expires: 1984-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 William E Farrant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:47
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/44; A61M2205/00; A61M2205/36; A61M2205/366

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 155 words
IN AN OXYGENATOR PROVIDED WITH A BLOOD INLET TUBE AND A BLOOD OUTLET TUBE, A THERMOSTABILIZER HAVING A BLOOD CONDUIT PORTION AND A HEAT EXCHANGE PORTION ASSOCIAITED WITH THE BLOOD CONDUIT PORTION TO CONTROL THE TEMPERATURE OF THE BLOOD PASSING THERETHROUGH, SAID BLOOD CONDUIT PORTION COUPLED AT OPPOSITE ENDS WITHIN ONE OF THE BLOOD TUBES OF THE OXYGENATOR FORMING A BLOOD PASSAGEWAY PORTION THEREOF, SAID BLOOD CONDUIT PORTION HAVING AN INTERNAL BLOOD CONTAINING VOLUME PER UNIT OF LENGTH EQUAL TO THE INTERNAL BLOOD CONTAINING VOLUME PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE OF THE OXYGENATOR WITHIN WHICH SAID BLOOD CONDUIT PORTION IS COUPLED AND HAVING AN INTERNAL SURFACE PER THE SAME UNIT OF LENGTH AND OVER WHICH THE BLOOD PASES THERETHROUGH SUBSTANTIALLY GREATER IN AREA THAN THE INTERNAL SURFACE PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE OVER WHICH THE BLOOD PASSES AND WITHIN WHICH SAID BLOOD CONDUIT IS COUPLED
Claim 2
Dependent Claim 155 words
IN AN OXYGENATOR PROVIDED WITH A BLOOD INLET TUBE AND A BLOOD OUTLET TUBE, A THERMOSTABILIZER HAVING A BLOOD CONDUIT PORTION AND A HEAT EXCHANGE PORTION ASSOCIAITED WITH THE BLOOD CONDUIT PORTION TO CONTROL THE TEMPERATURE OF THE BLOOD PASSING THERETHROUGH, SAID BLOOD CONDUIT PORTION COUPLED AT OPPOSITE ENDS WITHIN ONE OF THE BLOOD TUBES OF THE OXYGENATOR FORMING A BLOOD PASSAGEWAY PORTION THEREOF, SAID BLOOD CONDUIT PORTION HAVING AN INTERNAL BLOOD CONTAINING VOLUME PER UNIT OF LENGTH EQUAL TO THE INTERNAL BLOOD CONTAINING VOLUME PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE OF THE OXYGENATOR WITHIN WHICH SAID BLOOD CONDUIT PORTION IS COUPLED AND HAVING AN INTERNAL SURFACE PER THE SAME UNIT OF LENGTH AND OVER WHICH THE BLOOD PASES THERETHROUGH SUBSTANTIALLY GREATER IN AREA THAN THE INTERNAL SURFACE PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE OVER WHICH THE BLOOD PASSES AND WITHIN WHICH SAID BLOOD CONDUIT IS COUPLED
Claim 3
Dependent Claim 141 words
IN AN OXYGENATOR HAVING A BLOOD TUBE ADAPTED TO BE CONNECTED WITH A PATIENT TO ESTABLISH BLOOD COMMUNICATION BETWEEN THE OXYGENATOR AND THE PATIENT, A THERMOSTABILIZER HAVING A BLOOD CONDUIT PORTION AND A HEAT EXCHANGE PORTION, SAID HEAT EXCHANGE PORTION SURROUNDING THE BLOOD CONDUIT PORTION TO CONTROL THE TEMPERATURE OF THE BLOOD PASSING THERETHROUGH, SAID BLOOD CONDUIT PORTION COUPLED AT OPPOSITE ENDS WITHIN SAID BLOOD TYBE TO FORM A BLOOD COMMUNICATING PORTION OF SAID TUBE, SAID BLOOD CONDUIT HAVING AN INTERNAL BLOOD CONTAINING VOLUME PER UNIT OF LENGTH EQUAL TO THE INTERNAL BLOOD CONTAINING VOLUME PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE WITHIN WHICH THE BLOOD CONDUIT IS COUPLED, SAID BLOOD CONDUIT PORTION BEING REMOVABLY REPLACEABLE WITHIN THE SURROUNDING HEAT EXCHANGE PORTION OF THE THERMOSTABILIZER WHEREBY IT MAY BE REMOVED THEREFROM AND ANOTHER BLOOD CONDUIT PORTION INSERTED THEREIN.
Claim 4
Dependent Claim 141 words
IN AN OXYGENATOR HAVING A BLOOD TUBE ADAPTED TO BE CONNECTED WITH A PATIENT TO ESTABLISH BLOOD COMMUNICATION BETWEEN THE OXYGENATOR AND THE PATIENT, A THERMOSTABILIZER HAVING A BLOOD CONDUIT PORTION AND A HEAT EXCHANGE PORTION, SAID HEAT EXCHANGE PORTION SURROUNDING THE BLOOD CONDUIT PORTION TO CONTROL THE TEMPERATURE OF THE BLOOD PASSING THERETHROUGH, SAID BLOOD CONDUIT PORTION COUPLED AT OPPOSITE ENDS WITHIN SAID BLOOD TYBE TO FORM A BLOOD COMMUNICATING PORTION OF SAID TUBE, SAID BLOOD CONDUIT HAVING AN INTERNAL BLOOD CONTAINING VOLUME PER UNIT OF LENGTH EQUAL TO THE INTERNAL BLOOD CONTAINING VOLUME PER THE SAME UNIT OF LENGTH OF THE BLOOD TUBE WITHIN WHICH THE BLOOD CONDUIT IS COUPLED, SAID BLOOD CONDUIT PORTION BEING REMOVABLY REPLACEABLE WITHIN THE SURROUNDING HEAT EXCHANGE PORTION OF THE THERMOSTABILIZER WHEREBY IT MAY BE REMOVED THEREFROM AND ANOTHER BLOOD CONDUIT PORTION INSERTED THEREIN.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-19 1971-09-18 1972-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-19 1975-09-18 1976-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-19 1979-09-18 1980-03-19 $7700.00 Window Closed / Lapsed

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