Dr. C. Walton Lillehei inspects David Williams’ pacemaker

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  • Details
  • Description
Date
1961
Keywords
Bakken, Earl; Medtronic
Object ID
500004520

Early pacemakers were external. Medtronic founder Earl Bakken designed one in the late 1950s that used silicon transistors. Its controls were in the box; implanted electrical leads connected to the heart muscle.