modems; computer network hubs; computer software for supporting customers in designing and developing computer systems.

Medical devices, namely, implantable defibrillators, cardiac pacers and pulse generators, and structural parts therefor in the nature of external programmers; cardiac stimulation leads for use with implantable defibrillators, cardiac pacers and pulse generators; external diagnostic scanners and readers for use with implantable defibrillators, cardiac pacers and pulse generators; electrical therapy machines and apparatus for use with implantable defibrillators, cardiac pacers and pulse generators; cardiac electrodes for use with implantable defibrillators, cardiac pacers and pulse generators; and catheters and catheter sheaths for use with implantable defibrillators, cardiac pacers and pulse generators