Medical device used to stimulate tissue
First Claim
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1. An implantable medical device for stimulating tissue comprising:
- a housing adapted for implantation in a subject;
a pulse generator in said housing which emits electrical pulses, said pulse generator containing means for storing electrical energy and for discharging said electrical energy to form said electrical pulses;
electrode means adapted for implantation in said subject for conducting said electrical pulse in vivo to tissue, said electrode means having an input end, and an output end from which said electrical pulses are delivered;
an output stage disposed in said housing connected between said pulse generator and said input end of said electrode means; and
said output stage having a capacitance which is less than 1 μ
F and said electrode means having a capacitive element with a capacitance greater than 1 μ
F.
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Abstract
An implantable medical device has a pulse generator for generating electrical pulses, an electrical energy storage element connectable to an output stage, and an electrode arrangement for conducting the electrical pulses to tissue, the electrode arrangement having an input end and an output end. The output means of the pulse generator is connectable to the input end of the electrode arrangement, and the capacitance of the output stage is less than 1 μF and the electrode arrangement has a capacitor with a capacitance greater than 1 μF.
86 Citations
14 Claims
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1. An implantable medical device for stimulating tissue comprising:
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a housing adapted for implantation in a subject; a pulse generator in said housing which emits electrical pulses, said pulse generator containing means for storing electrical energy and for discharging said electrical energy to form said electrical pulses; electrode means adapted for implantation in said subject for conducting said electrical pulse in vivo to tissue, said electrode means having an input end, and an output end from which said electrical pulses are delivered; an output stage disposed in said housing connected between said pulse generator and said input end of said electrode means; and said output stage having a capacitance which is less than 1 μ
F and said electrode means having a capacitive element with a capacitance greater than 1 μ
F. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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- 9. An implantable medical electrode cable for delivering electrical pulses in vivo to body tissue, said electrode cable comprising an input end into which said pulses are supplied and an output end from which said pulses are delivered to said tissue, with at least one electrical conductor extending between said input end and said output end, and said electrode cable having a capacitive element with a capacitance of more than 1 μ
Specification