1
Marvin A Sackner, Herman Watson: Drug delivery method and inhalation device therefor. Key Pharmaceuticals, Wegner & Bretschneider, November 27, 1984: US04484577 (180 worldwide citation)

A method and an apparatus for administering a drug through a breathing passage for absorption on the mucous tissue of a patient includes introducing an aerosol of the drug into an expanded bag and bidirectional channel for communicating the drug with the breathing passage of the patient and otherwis ...


2
Herman Watson, Marvin A Sackner, Anne S Belsito: Method and apparatus for distinguishing central obstructive and mixed apneas by external monitoring devices which measure rib cage and abdominal compartmental excursions during respiration. Respitrace Corporation, Schecter Brucker & Pavane, October 18, 1988: US04777962 (118 worldwide citation)

An apparatus and method for distinguishing between different types of apneic episodes. The method includes measuring a new index, TCD/VT, and measuring the phase relation between the abdominal and rib cage contributions to total respiration volume. The episode is classified as central, obstructive o ...


3
Herman Watson: Method and apparatus for calibrating respiration monitoring system. Respitrace Corporation, Hubbell Cohen Stiefel & Gross, February 15, 1983: US04373534 (69 worldwide citation)

Improved method for calibrating non-invasive system for measuring respiration volume of the type including apparatus for providing signals indicative of rib cage and abdominal contributions to respiration volume, device for multiplying the rib cage and abdominal signals by predetermined weighting fa ...


4
Gerald Williams, Herman Watson, Marvin A Sackner, Chu Pak, James W Chong: Inductive plethysmographic transducers and electronic circuitry therefor. Cohen Pontani Lieberman Pavane, July 26, 1994: US05331968 (49 worldwide citation)

The present invention is an apparatus and method for improving the detection of the inductance "signal" generated by an inductive plethysmograph (12). Signal detection is improved by modifying the design of the inductive plethysmograph (12) and also by improving the design of the associated circuitr ...


5
Herman Watson: Single position non-invasive calibration technique. Respitrace Corporation, Schechter Brucker & Pavane, May 30, 1989: US04834109 (49 worldwide citation)

An improved method for calibating a non-invasive apparatus for measuring respiration volume of the type wherein signals indicative of the rib cage and abdomen contributions to respiration volume are provided, and wherein at least one of the signals is multiplied by a predetermined weighting factor f ...