This link contains some details about the device recall. It's a site that's been put up by one of the personal injury law firms that's trying to field lawsuits, but it's still provides good information about the recalled devices. There were some Medtronic pacemakers that were also recalled as well:

Guidant Defective Pacemakers and Defibrillators - Defective Products
birdgirl73 Reviewed by birdgirl73 on . My Grandma is in the critical care unit...and I'm bummed So I come home from staying over John's and the night before i had a dream that I came home and my mom said that Grandma died....but anyway, I walk in and my mom is all sad and I ask whats wrong and she tells me that my grandma's pace maker died and she's in the critical care unit at the hospital....im bummed out guys...I just needed to share... Rating: 5