1
Duane D Dickens, Francis M Servas: Arterial blood filter with improved gas venting. Shiley Incorporated, Charles J Knuth, Peter C Richardson, Lawrence C Akers, October 25, 1983: US04411783 (103 worldwide citation)

A novel liquid filter of the "outside-in" type is disclosed, comprising a hollow tubular housing, a concentrically disposed perforated tubular core surrounded by a cylindrical filter element and communicating with a liquid outlet in the bottom wall of the housing, and a filter element cap covering t ...


2
Paul F Zupkas, Francis M Servas, Todor Pavlov, Steven G Kelly: Unitary venous return reservoir with cardiotomy filter. Shiley, C J Knuth, L C Akers, R C Turner, February 10, 1987: US04642089 (53 worldwide citation)

A unitary device for the treatment and collection of blood from two different sources during a surgical procedure comprises a hollow housing made of a rigid, preferably transparent, material, first and second blood inlets in the housing, a first blood treatment element inside the housing comprising ...


3
Paul F Zupkas, Francis M Servas, Todor Pavlov, Steven G Kelly: Unitary venous return reservoir with cardiotomy filter. Shiley, P C Richardson, L C Akers, R C Turner, April 12, 1988: US04737139 (33 worldwide citation)

A unitary device for the treatment and collection of blood from two different sources during a surgical procedure comprises a hollow housing made of a rigid, preferably transparent, material, first and second blood inlets in the housing, a first blood treatment element inside the housing comprising ...


4
Francis M Servas: Non-inflatable sealing cuff for tracheal tube and other cannula. Roger C Turner, June 21, 1994: US05322062 (29 worldwide citation)

The present invention discloses a sealing cuff for an elongated tubular cannula, for forming an adequate fluid seal between the cannula and a body passageway when the cannula is inserted into the passageway. The sealing cuff comprises a plurality of thin flexible resilient annular slit discs extendi ...


5
Kenneth A Jones, Francis M Servas, Timothy C Ryan, Gregory G Ulrich: Hollow fiber blood oxygenator. Shiley Incorporated, Knobbe Martens Olson & Bear, June 23, 1992: US05124127 (28 worldwide citation)

A hollow fiber blood oxygenator is provided having a plurality of enclosed, coaxial heat exchanger coils, having a common header to insure uniform temperature in the coils. An enclosed fiber bundle is concentrically positioned inside the heat exchanger coils to define a flow path around the coils an ...


6
Kenneth A Jones, Francis M Servas, Timothy C Ryan, Gregory G Ulrich: Hollow fiber blood oxygenator. Shiley, Knobbe Martens Olson & Bear, August 31, 1993: US05240677 (26 worldwide citation)

A hollow fiber blood oxygenator is provided having a plurality of enclosed, coaxial heat exchanger coils, having a common header to insure uniform temperature in the coils. An enclosed fiber bundle is concentrically positioned inside the heat exchanger coils to define a flow path around the coils an ...


7
Kenneth A Jones, Francis M Servas, Timothy C Ryan, Gregory G Ulrich: Hollow fiber blood oxygenator. Shiley Incorporated, Thomas E Popovich, David B Edgeworth, October 25, 1994: US05358689 (26 worldwide citation)

A hollow fiber blood oxygenator is provided having an plurality of enclosed, coaxial heat exchanger coils, having a common header to insure uniform temperature in the coils. An enclosed fiber bundle is concentrically positioned inside the heat exchanger coils to define a flow path around the coils a ...


8
Kenneth A Jones, Francis M Servas, Timothy C Ryan, Gregory G Ulrich: Hollow fiber blood oxygenator. Shiley, Knobbe Martens Olson & Bear, August 10, 1993: US05234663 (21 worldwide citation)

A hollow fiber blood oxygenator is provided having a plurality of enclosed, coaxial heat exchanger coils, having a common header to insure uniform temperature in the coils. An enclosed fiber bundle is concentrically positioned inside the heat exchanger coils to define a flow path around the coils an ...


9
Francis M Servas: Blood filter. Johnson & Johnson, Purolator, July 24, 1979: US04162220 (18 worldwide citation)

In a blood filter of the type having a blood inlet spike which is to be inserted in a blood bag the improvement comprising the outer surface of the blood inlet spike having a roughness of from about 50 to 200 microinches.


10
Lambert J Diettrich Jr, Francis M Servas: Membrane oxygenator. Shiley Incorporated, Charles J Knuth, Peter C Richardson, Lawrence C Akers, December 3, 1985: US04556489 (14 worldwide citation)

A novel device for mass transfer across a membrane is disclosed, which is particularly suitable for use as a blood oxygenator. The novel device is of the type having a pleated, selectively permeable membrane defining first and second sets of alternating pockets for the flow of a fluid to be treated ...