Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1993-10-15
1995-05-09
Cohen, Lee S.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
A61N 1372
Patent
active
054135958
ABSTRACT:
A lead connector seal and locking assembly for an implantable pulse generator such as a pacemaker is detailed. The pulse generator includes a header portion and an enclosed metallic housing or can, wherein the header portion includes an orifice for receiving a lead connector. The lead connector is secured within the orifice by the use of a defeasible active seal and locking mechanism, which includes a sphincter seal and a beveled washer which is forced against the sphincter seal upon insertion of an actuator. The actuator may be a forked clip inserted into a slot formed within the epoxy header in such a manner that prongs of the forked clip force the beveled cam to be displaced axially within the orifice of the header portion, compressing the sphincter seal. The compression of the sphincter seal causes the sphincter seal to bulge radially, both outward and inward, in a generally symmetrical manner, thereby simultaneously contacting and sealing against the inside wall of the orifice of the header portion, and the body of the connector.
REFERENCES:
patent: 3760332 (1973-09-01), Berkovits et al.
patent: 4848346 (1989-07-01), Crawford
patent: 4860750 (1989-08-01), Frey et al.
Cohen Lee S.
Jastrzab Jeffrey R.
Pacesetter Inc.
Romano Malcolm J.
Weinberg Lisa P.
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