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Thermostabilizer for extracorporeal oxygenator

  • US 3,374,066 A
  • Filed: 06/15/1964
  • Issued: 03/19/1968
  • Est. Priority Date: 06/15/1964
  • Status: Expired due to Term
First Claim
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1. 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

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