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      • HARVEST
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      A PERFUSION SYSTEM WITH MONITORING DEVICES FOR OPEN-HEART SURGERY

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      Stachuk_Walter_Steve_1965_sec.pdf (2.678Mb)
      Date
      1965
      Author
      Stachuk, Walter Steve
      Type
      Thesis
      Degree Level
      Masters
      Metadata
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      Abstract
      The recent efforts on improving the physiological aspects of heart-lung perfusion techniques concern mainly two areas connected with the extracorporeal system. These are the reduction of priming volume required in the oxygenator and the requirement for a monitored control of the blood's gas exchange parameters to maintain a more physiological perfusion during bypass. This thesis presents a contribution in these areas. First, this thesis presents a heart-lung system specifically designed to operate in conjunction with an improved Kay Cross disc oxygenator. This oxygenator requires exclusive control features, not generally available in commercial units, since it performs the dual function of heat-exchanging and oxygenating the blood. This dual function provides an overall reduction in the systems priming volume. Secondly, a unique Rotating Cylinder oxygenator design, demonstrating a 1/3 priming volume requirement over the equivalent Kay Cross model, is presented and evaluated for clinical suitability. Finally, this thesis describes a constant withdrawal system, employing commercially available electrodes, whereby simultaneous and continuous monitoring of the blood gas-exchange parameters can be monitored. Specific tests were performed whereby the performance of the electrodes in the system were evaluated under the constant withdrawal conditions required to continuously monitor a heart-lung bypass.
      Degree
      Master of Science (M.Sc.)
      Department
      Electrical and Computer Engineering
      Program
      Electrical Engineering
      Supervisor
      Holmlund, B. A.
      Copyright Date
      1965
      URI
      http://hdl.handle.net/10388/8402
      Collections
      • Graduate Theses and Dissertations
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