The following terms refer to this characteristic of muscle contraction: The origin of the muscle is the muscle end that attaches to the stationary structure, usually a bone or a bony structure. The insertion of the muscle is the muscle end that attaches to the moving structure.
Defibrillators vary in price. Depending on what features you are looking for, defibrillators currently range from just over $1000 up to more than $20,000 for the expensive top of the range defibrillators used by paramedics, medical teams and hospitals. Prices also vary for larger quantities.
Implantable cardioverter defibrillators are powered by batteries. The variety used has been chosen because of its long service period and the very predictable way in which its power is gradually used. If an ICD delivers a great many shocks, it will wear out sooner than one that seldom provides therapy.