Hermetic seal for a fluid fill hole and related method for...

Details Hermetic seal for a fluid fill hole and related method for... Hermetic seal for a fluid fill hole and related method for...

2003-02-12

2009-08-25

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Having electrolyte storage feeding a device

Reexamination Certificate

active

07579106

ABSTRACT:
An electrochemical cell (10) suitable for use in an implantable medical device (110) includes a case (12) and a cover (30) attached to the case. The cover (30) is formed of a first material and has an outer surface (41) and an inner surface (42) defining a thickness thereof. The cover (30) also has a fluid fill hole (34) formed therein. The fluid fill hole (34) has an outer diameter (44) at the outer surface and a smaller inner diameter (45) at the inner surface. A hermetic seal (62) is formed within the fluid fill hole (34) of a second material that is softer than the first material and that is deformed to assume the approximate shape of the fluid fill hole (34).

REFERENCES:
patent: 4397919 (1983-08-01), Ballard
patent: 4542080 (1985-09-01), Phillips et al.
patent: 4544078 (1985-10-01), Arenas et al.
patent: 5776632 (1998-07-01), Honegger
patent: 5866851 (1999-02-01), Taylor et al.
patent: 6040082 (2000-03-01), Haas et al.
patent: 6844106 (2005-01-01), Heller, Jr.
patent: 2004/0062986 (2004-04-01), Aamodt et al.

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