Biomedical electrode providing early detection of accidental detachment
First Claim
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1. A biomedical electrode, comprising:
- an electrically non-conductive backing;
two conductive plates required for Contact Quality Monitoring circuitry separated from each other along a longitudinal axis of the backing, each conductive plate contacting the electrically non-conductive backing, and each conductive dilate having a curvilinear interior edge adjoining the longitudinal axis which edge is also symmetrical about an axis orthogonal to the longitudinal exit; and
optionally,a field of conductive adhesive in contact with both the conductive plates, whereinthe minimum distance separating the conductive plates along the longitudinal axis at a first point distal from an outside edge of the biomedical electrode intersecting the longitudinal axis is substantially greater than the minimum distance separating the conductive plates at a second point more proximal to the outside edge of the biomedical electrode.
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Abstract
A biomedical electrode is disclosed, having a geometry of conductive plates along a longitudinal axis of the electrode such that interior edge(s) of the plate(s) adjoining the axis are curvilinear or otherwise non-parallel to the axis. The geometry permits the electrode to register an earlier detection of a CQM alarm condition if a portion of the electrode unpeels from contact with the body of a mammalian patient before the extent of unpeeling would otherwise cause a CQM alarm condition established by and issued from an electrosurgical generator.
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Citations
8 Claims
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1. A biomedical electrode, comprising:
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an electrically non-conductive backing; two conductive plates required for Contact Quality Monitoring circuitry separated from each other along a longitudinal axis of the backing, each conductive plate contacting the electrically non-conductive backing, and each conductive dilate having a curvilinear interior edge adjoining the longitudinal axis which edge is also symmetrical about an axis orthogonal to the longitudinal exit; and
optionally,a field of conductive adhesive in contact with both the conductive plates, wherein the minimum distance separating the conductive plates along the longitudinal axis at a first point distal from an outside edge of the biomedical electrode intersecting the longitudinal axis is substantially greater than the minimum distance separating the conductive plates at a second point more proximal to the outside edge of the biomedical electrode. - View Dependent Claims (2, 3, 4, 5)
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6. An electrosurgical CQM circuit, comprising:
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(a) an electrosurgical generator having CQM circuit; (b) a biomedical electrode; and (c) electrical connections between the generator and the electrode, wherein the biomedical electrode, comprises an electrically nonconductive backing; two conductive plates required for Contact Quality Monitoring circuitry separated from each other along a longitudinal axis of the backing, each conductive plate contacting the electrically non-conductive backing and each conductive plate having a curvilinear interior edge adjoining the longitudinal axis which edgei s also symmetrical about an axis orthogonal to the longitudinal axis; and
optionally,a field of conductive adhesive in contact with both the conductive plates, wherein the minimum distance separating the conductive plates along the longitudinal axis at a first point distal from an outside edge of the biomedical electrode intersecting the longitudinal axis is substantially greater than the minimum distance separating the conductive plates at a second point more proximal to the outside edge of the biomedical electrode.
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7. An electrosurgical system, comprising:
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(a) an electrosurgical generator having CQM circuitry; (b) a biomedical electrode; (c) an electrosurgical pencil electrically connected to the generator; and (d) electrical connections between the generator and the electrode, wherein the biomedical electrodes comprises an electrically non-conductive backing; two conductive plates required for Contact Quality Monitoring circuitry separated from each other along a longitudinal axis of the backing, each conductive plate contacting the electrically non-conductive backing, and each conductive plate having a curvilinear interior edge adjoining the longitudinal axis which edge is also symmetrical about an axis orthogonal to the longitude axis; and
optionally,a field of conductive adhesive in contact with both the conductive plates, wherein the minimum distance separating the conductive plates along the longitudinal axis at a first point distal from an outside edge of the biomedical electrode intersecting the longitudinal axis is substantially greater than the minimum distance separating the conductive plates at a second point more proximal to the outside edge of the biomedical electrode.
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8. A method of early detection of an electrosurgical CQM alarm condition, comprising the steps of:
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(a) contacting a biomedical electrode to the body of a mammalian patient; (b) sounding an alarm when a portion of the biomedical electrode separates from contact with the body of the patient, wherein the portion of the biomedical electrode separated lies along a longitudinal axis of the biomedical electrode, wherein the biomedical electrode comprises an electrically non-conductive backing and two conductive plates; wherein the two conductive plates require for Contact Quality Monitoring circuitry are separated from each other alone the longitudinal axis, each conductive plate contacting the electrically non-conductive backing, and each conductive plate having a curvilinear interior edge adjoining longitudinal axis which edge is also symmetrical about an axis orthogonal to the longitudinal axis and wherein a minimum distance separating the conductive plates along the longitudinal axis at a first point distal from an outside edge of the biomedical electrode intersecting the longitudinal axis is substantially greater than the minimum distance separating the conductive plates at a second point more proximal to the outside edge of the biomedical electrode.
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Specification