Retractable stimulation electrode apparatus and method

Details Retractable stimulation electrode apparatus and method Retractable stimulation electrode apparatus and method

1978-10-16

1981-03-24

Kamm, William E.

Surgery

Truss

Pad

A61N 104

Patent

active

042574285

ABSTRACT:
Electrode apparatus which is used with stimulation devices, such as cardiac pacemakers or the like. Two or more tissue-engaging members are retractably mounted within the electrode apparatus. The tissue-engaging members are extended to engage body tissue and retracted while maintaining engagement with the body tissue, to thereby bring the body tissue into predetermined signal transfer contact with the conductive portion of the electrode body. Retraction or extension of the tissue-engaging member is accomplished with an elongate tool which is extendable through the hollow coil that attaches to the body of the electrode apparatus. A spring within the electrode body facilitates retraction of the tissue-engaging member.

REFERENCES:
patent: 3472234 (1969-10-01), Tachick
patent: 3745555 (1973-08-01), Schmitt
patent: 3814104 (1974-06-01), Irnich et al.
patent: 3844292 (1974-10-01), Bolduc
patent: 3902501 (1975-09-01), Citron et al.
patent: 3974834 (1976-08-01), Kane
patent: 4011875 (1977-03-01), Lehr et al.
patent: 4103690 (1978-08-01), Harris
patent: 4106512 (1978-08-01), Bisping
patent: 4136701 (1979-01-01), Barton et al.

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