Medical electrode, electrode bundle and electrode bundle array
First Claim
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1. A medical electrode comprising:
- a base section,a tip section,an electrode body disposed between the base section and the tip section,the electrode body including one of;
(a) an electrically conducting core and an insulating layer on the core, or(b) an electrically non-conducting core, an electrically conducting layer on the core and an insulating layer on the electrically conducting layer;
the electrode body further including portions configured for movement relative to each other when implanted in or inserted into soft tissue, so as to increase or decrease their distance along the electrode, anda substantially rigid biocompatible matrix that is soluble or biodegradable in a body fluid, at least the tip section and the electrode body embedded in the matrix, the matrix forming a matrix body of a shape configured to follow a straight insertion track line when inserting the electrode deep into soft tissue.
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Abstract
A medical microelectrode includes portions capable of movement relative to each other when implanted in or inserted into soft tissue, so as to increase or decrease their distance along the electrode. The electrode is at least partially embedded in a substantially rigid biocompatible matrix that is soluble or biodegradable a body fluid. Also disclosed are uses of the microelectrode; microelectrode bundles and arrays of microelectrode bundles and their uses; methods for inserting or implanting microelectrodes, microelectrode bundles and arrays of microelectrode bundles in soft tissue.
26 Citations
25 Claims
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1. A medical electrode comprising:
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a base section, a tip section, an electrode body disposed between the base section and the tip section, the electrode body including one of; (a) an electrically conducting core and an insulating layer on the core, or (b) an electrically non-conducting core, an electrically conducting layer on the core and an insulating layer on the electrically conducting layer; the electrode body further including portions configured for movement relative to each other when implanted in or inserted into soft tissue, so as to increase or decrease their distance along the electrode, and a substantially rigid biocompatible matrix that is soluble or biodegradable in a body fluid, at least the tip section and the electrode body embedded in the matrix, the matrix forming a matrix body of a shape configured to follow a straight insertion track line when inserting the electrode deep into soft tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 22)
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10. A medical electrode bundle comprising:
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two or more bundle electrodes, each bundle electrode including; base section, a tip section, an electrode body disposed between the base section and the tip section, the electrode body including one of; (a) an electrically conducting core and an insulating layer on the core, or (b) an electrically non-conducting core, an electrically conducting layer on the core and an insulating layer on the electrically conducting layer; and portions of the electrode body configured for movement relative to each other when implanted in or inserted into soft tissue, so as to increase or decrease their distance along the electrode, and a substantially rigid biocompatible matrix that is soluble or biodegradable in a body fluid, at least the tip section and the electrode body embedded in the matrix, the matrix forming a bundle matrix body of a shape configured to follow a straight insertion track line when inserting the electrode deep into soft tissue. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25)
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Specification