| 摘要 |
<p>Improvements in apparatus for use in microdermoabrasion in which unused microcrystals are delivered from a handset to skin and used microcrystals are drawn back into the handset together with skin debris, which apparatus comprises: (a) a first container for unused microcrystals, (b) a second container for used microcrystals, (c) a handset provided with a delivery aperture for delivering unused microcrystals to skin and for receiving used microcrystals and skin debris, (d) first means for providing an airstream to the handset delivery aperture via an air pressure outlet, (e) second means adapted to withdraw used crystals from the skin via a vacuum inlet, are described including the provision of trigger means to enable unused microcrystals to be delivered from the delivery aperture when triggered but otherwise to prevent or reduce delivery of unused microcrystals even during operation of the first and/or second means.</p> |
