A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 19/00 (2006.01) A61B 17/00 (2006.01) A61B 18/00 (2006.01) A61F 9/007 (2006.01)
Patent
CA 2519409
A method and apparatus to operate a surgical instrument in response to a thermal condition being detected that warrants curtailment of further operation. When the thermal condition is reached, command signals are generated that cause a needle of the surgical instrument to either have its vibrational speed slowed, have its vibrational movement stopped, or have it withdrawn from its relative position. The detection is of infrared radiation wavelengths and is carried out with either a thermal imaging device of a thermal recognition device. A corresponding temperature of the detected infrared radiation wavelengths is compared to a critical temperature to determine whether the thermal condition has been reached.
MEthode et appareil pour faire fonctionner un instrument chirurgical en rEponse A un Etat thermique dEtectE qui garantit une restriction de la continuation du fonctionnement. Lorsque l'Etat thermique est atteint, des signaux de commande sont Emis, qui provoquent, soit le ralentissement de la vitesse vibratoire d'une aiguille d'instrument chirurgical, soit l'arrEt de son mouvement vibratoire, soit l'enlEvement de sa position relative. La dEtection se fait par des longueurs d'ondes de radiation infrarouge et s'effectue soit avec un dispositif d'imagerie thermique soit avec un dispositif de reconnaissance thermique. Une tempErature correspondant A la longueur d'onde de radiation infrarouge dEtectEe est comparEe A une tempErature critique pour dEterminer si l'Etat thermique a EtE atteint.
Alcon Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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