Apparatus for interfacing to anatomic signal sources
First Claim
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1. An electrical system for interfacing to anatomic signal sources and comprising:
- terminal means suitable for anatomic implantation so as to receive primary signals generated physiologically;
coupling means comprising a piece of sheet material secured to said terminal means and being shaped and arranged for juxtaposition to the outer surface of a nerve, said sheet material having interstices of a size for receiving tissue growth after being implanted;
electrical lead means suitable for anatomic implantation and connected to said terminal means so as to receive said primary signals;
output circuit means connected to receive said primary signals from said electrical lead means; and
electrical insulator means suitable for anatomic implantation and enclosing said terminal means so as to shield said terminal means from noise signals generated physiologically, said insulator means comprising an elongated hollow casing closed at one end and enclosing said coupling means and of a size to surround the nerve so as to disrupt external electrical conductive paths to said terminal means.
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Abstract
A device for anatomic implantation to provide electrical interface to nerves. Included in the device are a pair of electrical leads secured to a coupling formed from a piece of woven sheet material, and having ends connected to spaced apart input terminals disposed adjacent to an inner surface of the coupling. Connected to the opposite ends of the leads are output terminals for interfacing to electrical recording or measuring instruments. The input terminals receive desired nerve signals while other unwanted anatomic signals are rejected by an insulative case that covers the woven coupling.
13 Citations
5 Claims
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1. An electrical system for interfacing to anatomic signal sources and comprising:
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terminal means suitable for anatomic implantation so as to receive primary signals generated physiologically; coupling means comprising a piece of sheet material secured to said terminal means and being shaped and arranged for juxtaposition to the outer surface of a nerve, said sheet material having interstices of a size for receiving tissue growth after being implanted; electrical lead means suitable for anatomic implantation and connected to said terminal means so as to receive said primary signals; output circuit means connected to receive said primary signals from said electrical lead means; and electrical insulator means suitable for anatomic implantation and enclosing said terminal means so as to shield said terminal means from noise signals generated physiologically, said insulator means comprising an elongated hollow casing closed at one end and enclosing said coupling means and of a size to surround the nerve so as to disrupt external electrical conductive paths to said terminal means. - View Dependent Claims (2, 3, 4, 5)
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Specification