OXIMETRIX, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4842584 Disposable fluid infusion pumping chamber cassette and drive mechanism thereofExpiredMay 01, 87Jun 27, 89[A61M]
4718576 Fluid infusion pumping apparatusExpiredDec 23, 85Jan 12, 88[B67D, A61M]
4690492 Optical couplingExpiredSep 04, 84Sep 01, 87[G02B]
4684245 Electro-optical coupler for catheter oximeterExpiredOct 28, 85Aug 04, 87[G01N]
4650327 Optical catheter calibrating assemblyExpiredOct 28, 85Mar 17, 87[G01J]
4639245 Fluid infusion pump driverExpiredDec 20, 85Jan 27, 87[A61M]
4623248 Apparatus and method for determining oxygen saturation levels with increased accuracyExpiredFeb 16, 83Nov 18, 86[G01N]
4557725 I. V. Pump cassetteExpiredMay 04, 84Dec 10, 85[A61N]
4552336 Liquid flow regulatorExpiredJun 29, 84Nov 12, 85[F16K]
4523279 Apparatus for determining oxygen saturation levels in bloodExpiredJun 04, 84Jun 11, 85[A61B]
4493704 Portable fluid infusion apparatusExpiredNov 29, 82Jan 15, 85[A61M]
4474309 Stepping motor control procedure for achieving variable rate, quasi-continuous fluid infusionExpiredOct 22, 81Oct 02, 84[A61M]
4469398 Optical connector for use during photometric analysisExpiredOct 27, 81Sep 04, 84[G02B]
4453932 Intravenous metering deviceExpiredFeb 19, 82Jun 12, 84[A61M]
4453218 Signal filter method and apparatusExpiredNov 24, 80Jun 05, 84[H03K, A61B]
4444546 Occlusion detection apparatus and methodExpiredSep 19, 80Apr 24, 84[A61M]
4416285 Improved optical catheter and method for making sameExpiredAug 13, 81Nov 22, 83[A61B]
4336800 Intravenous metering deviceExpiredAug 01, 80Jun 29, 82[A61M]
4322164 Sterilizable, disposable optical scattering reference medium and container assemblyExpiredJun 25, 79Mar 30, 82[G01J]
4295470 Optical catheters and method for making sameExpiredNov 29, 78Oct 20, 81[A61B]

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