To ask the Secretary of State for Health, how many adverse incidents involving (a) electrically powered and (b) manual wheelchairs have been reported to the Medical Devices Agency in each of the past three years; and what steps he is taking to improve (i) the comprehensiveness of such reports and (ii) their utility in identifying and remedying systematic faults. - Inc table and ref to Medical Devices Agency website. (Holding answer 17 April 2002).