IMPROVEMENTS IN OR RELATING TO A METHOD OF DISPENSING AND/OR A DISPENSER

摘要

A dispenser and a method of using the dispenser which comprises a supply means (1) for supplying inhalable material in inhalable form, the supply means (1) being in connection with atmosphere and a mouth piece (3). Flow controls means (8) are provided which allow or substantially prevent the flow between the supply means (1) and the mouth piece (3) and supply means (1) and the atmosphere. A signalling means (24) which indicates to the user when to inhale and detection means (14) to detect the commencement of inspiration and/or expiration and to cause the flow control means to cause or allow the inhalable material to move from the supply means (1) to the mouth piece (3) during a selected part of the period of inspiration.