In vivo electrode implanting system

Details In vivo electrode implanting system In vivo electrode implanting system

1988-08-08

1989-12-12

Cohen, Lee S.

Surgery

Truss

Pad

128785, A61B 504, A61N 105

Patent

active

048860654

ABSTRACT:
A cylindrical intramuscular implantable electrode is provided with a strip of fabric secured around it. The fabric is woven from a polyester fiber having loops of the fiber protruding. The end of the main cylindrical body is provided with a blunt conductive nose, and the opposite end is provided with a smaller diameter rear section with an annular groove to receive tips of fingers extending from a release tube. The fingers are formed to spring outwardly and move the fingertips out of the annular groove in order to release the electrode from the release tube when a sheath over the electrode is drawn back sufficiently. The sheath compresses the fingers of the release tube and the fabric loops until it is drawn back. Muscle tissue grows into the loops to secure the electrode in place after the sheath is drawn back. The entire assembly of electrode, release tube and sheath can be inserted into the patient's muscle to the desired position through a hypodermic needle. The release tube may be used to manipulate the electrode in the patient's muscle to an optimum position before the electrode is released.

REFERENCES:
patent: 4282886 (1981-08-01), King
patent: 4402323 (1983-09-01), White
patent: 4407303 (1983-10-01), Akerstrom

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