1
Roger A Gruenke, Russell L Trimble: Inspiratory airway pressure system using constant pressure and measuring flow signals to determine airway patency. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, August 27, 1996: US05549106 (267 worldwide citation)

An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular conditions, among others, by increasing nasal air pressure delivered to the patient's respiratory passages just p ...


2
Roger A Gruenke, Russell L Trimble, Christopher D Lasnier, Steven W Loethen, Jiri G Orlt, James A Snook, Marilyn S Wyble: Inspiratory airway pressure system with admittance determining apparatus and method. Puritan Bennett Corporation, Hovey Williams Timmons & Collins, August 4, 1992: US05134995 (237 worldwide citation)

An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular conditions, among others, by increasing nasal air pressure delivered to the patient's respiratory passages just p ...


3
David M Rapoport, Robert G Norman, Roger A Gruenke: Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea. New York University, Nellcor Puritan Bennett, Fulwider Lee & Utecht Patton, July 16, 1996: US05535739 (189 worldwide citation)

In the treatment of obstructive sleep apnea a method and apparatus are disclosed for optimizing the controlled positive pressure to minimize the flow of air from a flow generator while still ensuring that flow limitation in the patient's airway does not occur. In particular, the invention relates to ...


4
Roger A Gruenke, Russell L Trimble, Christopher D Lasnier, Steven W Loethen, Jiri G Orlt, James A Snook, Marilyn S Wyble: Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, November 9, 1993: US05259373 (182 worldwide citation)

An apparatus and method for facilitating the respiration of a patient detects patient airway sounds and resolves these sounds into audio component bands whereupon an analysis is performed to produce a trend value. In response, a pressure action is determined using the trend value for controlling the ...


5
Roger A Gruenke, Russell L Trimble: Method and apparatus for maintaining patient airway patency. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, December 8, 1998: US05845636 (140 worldwide citation)

An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular conditions, among others, by increasing nasal air pressure delivered to the patient's respiratory passages just p ...


6
David M Rapoport, Robert G Norman, Roger A Gruenke: Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea. New York University, Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, October 9, 2001: US06299581 (100 worldwide citation)

In the treatment of obstructive sleep apnea, a method and apparatus are disclosed for optimizing the controlled positive pressure to minimize the flow of air from a flow generator while still ensuring that flow limitation in the patient's airway does not occur. In particular, the invention rela ...


7
Roger A Gruenke, Russell L Trimble, Christopher D Lasnier, Steven W Loethen, Jiri G Orlt, James A Snook, Marilyn S Wyble: Apparatus for compensating for flow and pressure variances in pneumatic circuits. Fulwider Patton Lee & Utecht, August 18, 1998: US05794614 (77 worldwide citation)

An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular conditions, among others, by increasing nasal air pressure delivered to the patient's respiratory passages just p ...


8
Roger A Gruenke: Integrated activity sensor. Nellcor Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, March 28, 2000: US06041783 (37 worldwide citation)

A motion transducer is embedded in a section of cable interconnecting a primary medical sensor with associated electronics. By affixing the section containing the transducer to a portion of a patient's anatomy, information relating to the parameter of primary concern as well as the patient's activit ...


9
David M Rapoport, Robert G Norman, Roger A Gruenke: Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea. New York University, Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, September 21, 2004: US06793629 (28 worldwide citation)

A diagnostic device having a nose fitting used without connection to a breathing gas supply for obtaining flow data values at ambient pressure. The nose fitting is connected to a pressure or flow sensor that supplies data values to a microprocessor. The detection and measurement of breathing gas flo ...


10
David T Bach, Roger A Gruenke, Herman W Levin: Optical detector cell. E I Du Pont de Nemours and Company, July 21, 1987: US04681443 (7 worldwide citation)

An optical cell provides a measuring chamber which is L-shaped with an absorbance optical path lying along the horizontal leg of the L. A second optical path is provided transverse to the absorbance path and sized to permit the passage of radiation into the entire L-shaped chamber. The exit slit for ...