Pacemaker
device · 1958 · Digital age
An implanted pulse generator for the heart.
What it is made of
- Oscillator — has part. A pulse generator.
- Lithium-ion battery — has part. A lithium battery (lithium–iodine).
- Transistor — has part. The first pacemakers used transistors.
Principles and materials it uses
- Titanium — is made of. The case is titanium.
History: what it evolved from and what it influenced
- Implantable defibrillator — evolved into. Related implants.