1
James Reuss
James L Reuss, Gerhard von der Ruhr, Dennis E Bahr, Michael T Larsen: Limited use medical probe. OB Scientific, Reinhart Boerner Van Deuren sc, May 23, 2006: US07048687 (472 worldwide citation)

A limited use medical probe is disclosed, including a memory for maintaining a use value. The medical probe is coupled to a medical device that inhibits its function when the use value reaches a predetermined threshold value, preventing improper use of the probe. The probe memory may also store iden ...


2
James Reuss
Dennis E Bahr, James L Reuss: Method and apparatus for processing a physiological signal. OB Scientific, Reinhart Boerner Van Deuren S C, January 15, 2002: US06339715 (148 worldwide citation)

A signal processing method, preferably for extracting a fundamental period from a noisy, low-frequency signal, is disclosed. The signal processing method generally comprises calculating a numerical transform for a number of selected periods by multiplying signal data by discrete points of a sine and ...


3
James Reuss
Dennis E Bahr, James L Reuss: Method and apparatus for processing a physiological signal. OB Scientific, Peinhart Boerner Van Deuren s c, November 11, 2003: US06647280 (121 worldwide citation)

A signal processing method, preferably for extracting a fundamental period from a noisy, low-frequency signal, is disclosed. The signal processing method generally comprises calculating a numerical transform for a number of selected periods by multiplying signal data by discrete points of a sine and ...


4
Gerhard von der Ruhr, Dennis E Bahr, Michael T Larsen: Limited use medical probe. O B Scientific, Reinhart Boerner Van Deuren Norris & Rieselbach s c, October 23, 2001: US06308089 (326 worldwide citation)

A limited use medical probe is disclosed. The medical probe includes a memory storage component for maintaining a use value, representing either the number of uses and/or the duration of use of the medical probe. The medical probe is coupled to a medical monitoring device which prevents the performa ...


5
Stephen W Flax, Dennis E Bahr: System for the compacting and logical linking of data blocks in files to optimize available physical storage. Flextech Systems, Whyte Hirschboeck Dudek S C, August 27, 1996: US05551020 (113 worldwide citation)

The present invention is a method of processing and writing data to a database wherein the method comprises four broad steps: 1) manipulating data files into a more compact and efficient bit-encoded form and preparing the files to receive additional data to link the files; 2) linking the files with ...


6
Dennis E Bahr, Kenneth R Clark, Kendall E Post: Automatic blood pressure measuring device and method. Cas Medical Systems, William W Jones, January 3, 1989: US04796184 (75 worldwide citation)

The device measures blood pressure automatically using the oscillometric technique. The device includes a pressure cuff which is automatically inflated to an initial pressure which is calculated to be above the subject's systolic pressure. The cuff is then deflated stepwise in preset pressure increm ...


7
Alan R Kahn, Kenneth R Clark, Dennis E Bahr: Pressure monitoring and leak detection method and apparatus. Meadox Instruments, Isaksen Lathrop Esch Hart & Clark, April 10, 1984: US04441357 (69 worldwide citation)

A closed pressure monitoring system (20) is disclosed in which a pump (27) delivers gas on a supply line (22, 29) through a first accumulator chamber (30) to a load device (21) and returns the gas on a return line (23, 28) through a second accumulator chamber (34) to the pump (27). After pressures i ...


8
Mark B Monson, Thomas P Blandino, Dennis E Bahr, Kendall E Post: Receiver preamplifier with tuned circuit adapted for Loran reception. Bahr Technologies, Lathrop & Clark, October 17, 1989: US04875019 (17 worldwide citation)

A preamplifier system adapted for a Loran receiver includes a buffer amplifier receiving the signal from the antenna at its input and a tuned circuit connected between the input of the buffer amplifier and ground. The tuned circuit includes a parallel combination of a resistance, capacitance and ind ...


9
Alan R Kahn, Dennis E Bahr, Kurt W Allen: Method and apparatus for detecting blood pressure by blood pressure sounds in the presence of significant noise. BpSure L L C, Foley & Lardner, October 28, 1997: US05680868 (7 worldwide citation)

A method and apparatus is provided for detecting blood pressure sounds produced by the opening snap of an artery in a patient in the presence of significant noise using the phase information contained in two microphone signals. The two microphones are placed on a patient along the axis of an artery ...


10
Alan R Kahn, Dennis E Bahr, Kurt W Allen: Blood pressure monitoring with improved noise rejection. BP Sure, Foley & Lardner, February 23, 1999: US05873836 (6 worldwide citation)

A method and apparatus is provided for distinguishing blood pressure sounds from noise in an automatic blood pressure monitoring system using the information contained in two microphone signals. Two microphones are placed on a patient along an axis of an artery to pick up blood pressure sounds. Pres ...