Patents Represented by Attorney Thomas J. Bird

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  • Cardiotomy reservoir with integral filter
    Patent number: 4054523
    Abstract: A reservoir for holding and reprocessing foamy shed blood prior to reintroduction to a patient, the reservoir comprising a holding chamber divided by a filter into two sub-chambers, a foam killing chamber in open communication with one of the sub-chambers, and inlet and outlet ports for the blood. The apparatus removes cell debris and filterable products of hemolysis and avoids the need to return chemical foam killers and collapsed foam to the patient's body.
    Type: Grant
    Filed: July 10, 1973
    Date of Patent: October 18, 1977
    Assignee: General Electric Company
    Inventors: Donald R. Ingenito, Gunnar E. Walmet
  • Vacuum extract system for a membrane oxygen enricher
    Patent number: 3976451
    Abstract: A mobile, personal oxygen enricher includes means for producing a flow of atmospheric air, heating the air to a pre-selected temperature, and directing the air over an array of selectively permeable membrane cells which permit the permeation of oxygen at a greater rate than nitrogen. Vacuum means maintain the cells at a partial vacuum and draw off oxygen enriched gas. The enriched gas passes through a scrubber to remove pollutants and is directed to a patient for inhalation.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: August 24, 1976
    Assignee: General Electric Company
    Inventors: Richard H. Blackmer, Jonathan W. Hedman