| 摘要 |
<p>Device for the cutting or vaporising of various materials and tissues by using the laser effect, in particular for the treatment of dental caries and the cutting of the dentine, characterised in that it comprises a specific laser of the YAG type having in particular the following characteristics:… - a capacity for emitting a pulsed energy of between 0 and 250 millijoules;… - firing rate of 50 Hz;… - pulse durations of between 100 and 300 microseconds. …<??>This device also comprises a handpiece comprising a hollow body (1) of elongate form, of which one of the ends constitutes or is designed to constitute a head (5) in which there is installed an optical focusing means (6) at which there terminates the end of the fibre optic (2) housed in the said body (1) and enabling the laser beam to be conveyed as far as the said focusing means (6), the said head being designed to receive an interchangeable application instrument completing the handpiece and consisting of a flexible fibre optic (8). …<IMAGE>… </p> |
