Ronald F Leonard from Fayville, MA, age 47

Dual Chamber Reservoir
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US Patent:

39851354, Oct 12, 1976
Filed:

Mar 31, 1975
Appl. No.:

5/563861
Inventors:

Walter L. Carpenter - Arlington Heights IL
Ronald J. Leonard - Harvard IL
Assignee:

Baxter Laboratories, Inc. - Deerfield IL
International Classification:

A61M 514
US Classification:

128214D
Abstract:

A reservoir for use with blood oxygenation apparatus is described herein. A chamber separator within said reservoir defines, in the interior thereof, a primary chamber and a secondary chamber, with a flow channel, connecting the primary and secondary chambers. A plurality of intake and outlet ports communicate with the primary chamber. The reservoir may be connected to blood oxygenation apparatus via the intake and outlet ports, while the flow channel may be clamped to prevent fluid flow between the primary and the secondary chambers, when it is desired to reduce the blood volume in the reservoir.

Blood Oxygenator Utilizing A Removable Membrane Oxygenator Unit
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US Patent:

40614700, Dec 6, 1977
Filed:

Oct 27, 1976
Appl. No.:

5/735863
Inventors:

Ronald J. Leonard - Elk Grove Village IL
Assignee:

Baxter Travenol Laboratories, Inc. - Deerfield IL
International Classification:

A61M 103
US Classification:

232585M
Abstract:

An oxygenator for blood which comprises means for removably holding a membrane oxygenator unit, means for conveying blood to a patient through the oxygenator unit in a first flow path and back to the patient, and means for supplying oxygen gas through the oxygenator unit in a second flow path separated from the first flow path in the unit by a semi-permeable membrane. The oxygenator unit holding means carries a plate which has an oxygen inlet manifold port positioned to communicate with a mounted oxygenated unit, to provide a sealed oxygen flow path through the plate into the oxygenator unit and to provide for dispersal of effluent oxygen in a plurality of directions, thereby preventing the accidental obstruction of the oxygen outlet of the unit.