Abstract: A protective device for covering and protecting golf clubs in a golf bag comprises an inflatable body portion, the body portion comprising a tubular sleeve having a closed end and an open end for slipping over the golf clubs, and a valve for inflating the body portion wherein the inner body portion is shaped to the contour of the clubs for enveloping and resiliently securing the head and upper shaft portions of the golf clubs against movement. The inner and outer walls of the body portion are sealed together at their peripheral edges, and at a plurality of points over their respective areas forming a plurality of fluid chambers, preferably in fluid communication with each other, for conforming to the clubs. The golf club protective device may also be secured to the inside of a conventional golf bag cover, whether the cover is of the travel bag type fully enclosing the golf bag, or a hood enclosing only the club heads and the upper end of the golf bag.

Abstract: A nebulizer for use in administering a medicament to a patient undergoing treatment for example, comprises an ultrasonic piezo-electric transducer (60) and a transducer drive system (D) which is caused to drive said transducer at or near its anti-resonant frequency. There is also provided means to optimize nebulized fluid particle size and transfer to the patients lungs for example, by operating at an anti-resonant frequency in the range of 1.36 to 1.56 MHz and having a single outlet baffle and relatively short outlet tube (24) arrangement.