Metal-enclosed cardiac pacer with solid-state power source

Claim 2

In a heart pacer comprising, in combination, a pulse generator, electrode means, and electrode leads coupling said pulse generator to said electrode means, with said pulse generator including a battery power source and pulse forming means; a. said battery power source having a lithium anode and a lithium-iodide electrolyte; b. said pulse forming means comprising circuit means having an input and an output, with said input being coupled to said battery power source and said output being coupled to said leads; c. a first metallic enclosure means encapsulating said battery power source and casing means consisting of a second metallic enclosure means hermetically encapsulating said first metallic enclosure means, said pulse forming means, and at least a portion of said electrode leads, said casing having a pair of bores formed therein for sealingly receiving said electrode leads in sealed relationship therewithin; and d. locking means being provided to lockingly engage said electrode leads within said casing means, said locking means being disposed in bores formed in said casing and being disposed on separate and adjacent outer surfaces thereof for providing an extended peripheral distance therebetween.