Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Reexamination Certificate
2005-02-08
2005-02-08
Patel, Dhiru R. (Department: 2831)
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
C174S050560, C174S050610, C361S302000
Reexamination Certificate
active
06852925
ABSTRACT:
A feed-through assembly for an IMD and a method for fabricating the same are provided. The feed-through assembly has a ferrule having a first aperture disposed therethrough. An insulating member is disposed at least partially within the first aperture. The insulating member has a second aperture, an inside surface and an outside surface. A metallization region overlies at least a portion of the inside surface and at least a portion of the outside surface of the insulating member. The metallization region is formed of a first layer of titanium and a second layer of niobium. A portion of a terminal pin of platinum is disposed through the second aperture. A first brazing seal is disposed between the insulating member and the ferrule and a second brazing seal is disposed between the insulating member and the terminal pin. The first and second brazing seals are formed of gold.
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Lessar Joseph F.
Nygren Lea A.
Seifried Lynn M.
Wolf William D.
McDowall Paul H.
Medtronic Inc.
Patel Dhiru R.
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