Abstract: This invention relates generally to the targeting and biopsy of tissue for medical purposes, and more particularly to a targeted biopsy system which allows planning of tissue to be sampled, targeting of specific areas of tissue in reference to the plan, capturing the tissue sample and recording the source location of the tissue sample, particularly for use in collecting tissue samples from the prostate gland. A further purpose of this invention is to provide a targeted treatment system which allows planning of tissue to be treated, targeting of specific areas of tissue in reference to the plan, and delivering the treatment to the targeted tissue.

Abstract: To encourage the use of bicycles for both recreation and transportation by reducing the normally excessive load on the cyclist during hill climbing. A simple on/off push button controls the power assist while a clutch automatically handles both engagement and disengagement. The invention enables a powerful (80 to 150 watts of power delivered to the bicycle tire), compact, lightweight (2.5 to 4 kg) system capable of boosting a cyclist during the hills of a 1 to 2 hour bicycle ride. The system is compatible with most bicycles, is easy to install yet includes a theft deterrent mount. The system includes several safety features including a very modest high speed limit (e.g. 12 mph) beyond which power assist is automatically disabled, and a modest power level which can be overridden by normal bicycle brakes.