Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Patent
1998-03-20
2000-05-16
Nasser, Robert L.
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
600372, A61B 500
Patent
active
060649003
ABSTRACT:
Method and electrode assemblies for using or installing an electrode (especially enzyme electrode) in vivo, in which a protecting medium is introduced at the installation site to suppress adverse effects on the electrode's output. The medium is preferably an isotonic solution (e.g. saline) and/or a buffer solution and/or an anti-coagulant, and may be of increased viscosity (e.g. a gel, or hydrogel), and may be coated on the electrode assembly. The preferred electrode assembly is a needle within a trocar cannula, preferably with the needle tip set back to form a recess to contain gelled medium which can then be fed with liquid medium. The assembly can be made as a sterilized, sealed pack bearing calibration and/or other data relevant to its use, especially in machine-readable form.
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Crump Paul William
Vadgama Pankaj Madganlal
Nasser Robert L.
The Victoria University of Manchester
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