Implantable sensor electrodes and electronic circuitry
0 Assignments
0 Petitions
Accused Products
Abstract
An electronic circuit for sensing an output of a sensor having at least one electrode pair and circuitry for obtaining and processing the sensor output. The electrode pair may be laid out such that one electrode is wrapped around the other electrode in a U-shaped fashion. The electronic circuitry may include, among other things, a line interface for interfacing with input/output lines, a rectifier in parallel with the line interface, a counter connected to the line interface and a data converter connected to the counter and the electrode pair. The data converter may be a current-to-frequency converter. In addition, the rectifier may derive power for the electronic circuit from communication pulses received on the input/output lines.
107 Citations
50 Claims
-
1-22. -22. (Cancelled).
-
23. A sensor system comprising:
-
a catalytic agent;
a first electrode pair, comprising;
a first electrode; and
a second electrode that wraps at least partially around the first electrode; and
a second electrode pair, comprising;
a third electrode; and
a fourth electrode that wraps at least partially around the third electrode;
wherein the first electrode pair and the second electrode pair are for sensing parameters;
wherein the catalytic agent is located in a position to affect at least one parameter; and
wherein the first electrode pair and the second electrode pair are positioned such that cross coupling between the second electrode and the third electrode and between the fourth electrode and the first electrode is reduced. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
-
-
39. A sensor system comprising:
-
a substrate;
a first electrode pair formed on a first surface of the substrate for sensing parameters, comprising;
a first electrode; and
a second electrode that wraps at least partially around the first electrode;
a second electrode pair formed on the first surface of the substrate for sensing parameters, comprising;
a third electrode; and
a fourth electrode that wraps at least partially around the third electrode; and
circuitry located on a second surface of the substrate for processing the parameters sensed by the first and second electrode pairs;
wherein the circuitry is enclosed in a hermetically sealed casing. - View Dependent Claims (40, 41, 42, 43, 44, 45)
-
-
46. A sensor system comprising:
-
a first electrode pair for sensing parameters, comprising;
a first electrode; and
a second electrode that wraps at least partially around the first electrode;
a second electrode pair for sensing parameters, comprising;
a third electrode; and
a fourth electrode that wraps at least partially around the third electrode; and
circuitry for processing the parameters sensed by the first and second electrode pairs;
wherein the first electrode pair and the second electrode pair are positioned such that cross coupling between the second electrode and the third electrode and between the fourth electrode and the first electrode is reduced. - View Dependent Claims (47, 48, 49, 50)
-
Specification