Bipolar lead adapter with resilient housing and rigid retainers

Details Bipolar lead adapter with resilient housing and rigid retainers Bipolar lead adapter with resilient housing and rigid retainers

1990-01-29

1991-03-19

Kamm, William E.

Surgery

Truss

Pad

A61N 1372

Patent

active

050001779

ABSTRACT:
An adapter for extending a sensing and stimulation delivery lead in a body stimulation system, such as a cardiac pacer or cardioverter defibrillator, includes a resilient, electrically insulative housing with a longitudinal barrel extended through the majority of the housing length for the insertion of a lead terminal connector. Two spaced apart transverse bores are formed in the housing, open to barrel and to the housing exterior. Two connector assemblies are mounted in the housing and positioned to receive respective pin and ring terminals of the lead when inserted into the barrel. Each connector assembly can be adjusted to secure the lead in the housing, by a tool inserted through one of the transverse bores. Each connector assembly is isolated from the housing exterior by a seal means mounted in the associated bore. Each seal means includes a seal member elastically deformable to admit a tool to the associated connector assembly via a passage through the seal member. A rigid retaining sleeve, secured within the associated bore, surrounds and slightly compresses its associated seal member to ensure that the passage remains closed when not admitting the tool.

REFERENCES:
patent: 3822707 (1974-07-01), Adducci et al.
patent: 3908668 (1975-09-01), Bolduc
patent: 4412916 (1983-11-01), Keel
patent: 4461194 (1984-07-01), Moore
patent: 4479489 (1984-10-01), Tucci
patent: 4583543 (1986-04-01), Peers-Trevarton
patent: 4774953 (1988-10-01), Foote
patent: 4784141 (1988-11-01), Peers-Trevarton
patent: 4932409 (1990-06-01), Hirschberg

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