Abstract: Convexity of the abdomen, as with a parastomal hernia, can cause problems in fitting a pouch by the standard procedure of using the fingers of both hands to apply pressure over and around the adhesive wafer. The mismatch of the surfaces leads to the formation of folds and wrinkles which can cause leakage in service. This invention introduces a handle fixed to the front of the pouch which facilitates placing the wafer over the stoma, followed by compression of the stoma and hernia, during one simple push by the palm of the hand. Sealing takes place radially outwards from the stoma and results in two flat surfaces bonded together. Simultaneously the warmth of the hand assists the bonding process. On release of the pressure, wrinkling inevitably occurs but this is shallow and wavelike, the skin conforms neatly to it, and no leakage subsequently takes place.

Abstract: A child's tricycle featuring a mechanical assembly which makes it easier to steer especially whilst pedaling, and also simulates the action of steering a car, through the incorporation of a small steering-wheel 2 and a gearbox 1 of approximately 8:1 velocity-reduction ratio. The gearbox which is planetary in one or two stages can be mounted co-axially inside the headstock of a tricycle frame during manufacture, or alternatively provided as an “add-on” unit to be mounted co-axially above the headstock and locked to it to prevent rotation. The steering-wheel can be fitted with a swivelling knob-like handle to facilitate wide-range rotation. The handle can be positioned to suit left or right-handed operation.