Patent assignee · US · COMPANY

Ohmeda Inc.

90Patents
0Active
90Granted
39Portfolio score

Filing activity: Jul 1, 1992 → Jun 11, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US5297548A Arterial blood monitoring probe Human Necessities 376 Expired
US5920263A De-escalation of alarm priorities in medical devices Physics 365 Expired
US5954644A Method for ambient light subtraction in a photoplethysmographic measurement instrument Human Necessities 281 Expired
US5919133A Conformal wrap for pulse oximeter sensor Human Necessities 267 Expired
US5558083A Nitric oxide delivery system Human Necessities 260 Expired
US5503148A System for pulse oximetry SPO.sub.2 determination Emerging Cross-Sectional Technologies 258 Expired
US5627531A Multi-function menu selection device Emerging Cross-Sectional Technologies 256 Expired
US5387122A Pulse oximeter probe connector Emerging Cross-Sectional Technologies 229 Expired
US5817010A Disposable sensor holder Human Necessities 226 Expired
US5851178A Instrumented laser diode probe connector Human Necessities 215 Expired
US5891022A Apparatus for performing multiwavelength photoplethysmography Human Necessities 211 Expired
US5912656A Device for producing a display from monitored data Human Necessities 202 Expired
US5842979A Method and apparatus for improved photoplethysmographic monitoring of oxyhemoglobin, deoxyhemoglobin, carboxyhemoglobin and methemoglobin Physics 195 Expired
US5766127A Method and apparatus for improved photoplethysmographic perfusion-index monitoring Human Necessities 195 Expired
US5790729A Photoplethysmographic instrument having an integrated multimode optical coupler device Physics 185 Expired
US5827182A Multiple LED sets in oximetry sensors Physics 178 Expired
US5983122A Apparatus and method for improved photoplethysmographic monitoring of multiple hemoglobin species using emitters having optimized center wavelengths Human Necessities 175 Expired
US5676139A Spring clip probe housing Human Necessities 173 Expired
US5891024A Two stage calibration and analyte measurement scheme for spectrophotomeric analysis Physics 173 Expired
US5564108A Non-invasive software update apparatus Human Necessities 166 Expired
US5685301A Apparatus for precise determination of operating characteristics of optical devices contained in a monitoring probe Human Necessities 159 Expired
US5781921A Method and apparatus to effect firmware upgrades using a removable memory device under software control Physics 159 Expired
US5807248A Medical monitoring probe with modular device housing Human Necessities 156 Expired
US5638593A Method for manufacturing a heat-sealed neo-natal medical monitoring probe Emerging Cross-Sectional Technologies 131 Expired
US5732693A Pause control of nitric oxide therapy Human Necessities 124 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.