A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/18 (2006.01) A61B 18/12 (2006.01) A61F 9/007 (2006.01) A61F 9/013 (2006.01) A61B 17/00 (2006.01) A61B 18/00 (2006.01)
Patent
CA 2511767
Applicators for performing electrically-induced thermokeratoplasty including two electrical conducting elements (306, 308) coaxially disposed relative to one another and separated by an electrically insulating element (310) having a selected thickness. At least a portion of each conducting tube is coated with an electrically insulating and thermally conductive material (318), e.g., anodized aluminium, so as to electrically insulate the conducting tubes from corneal tissue upon placement of the applicator on a subjet~s cornea while facilitating extraction of heat from the cornea. A cooling (342, 312, 314, 316) device may be thermally coupled to said insulating element for cooling thereof. They may comprise a vacuum source (340) and passages (336, 338) for applying suction to the corneal tissue. Sensors and a feedback circuit may be provided to determine when a treatment modality has archieved an intended effect.
La présente invention concerne des applicateurs destinés à réaliser une thermokératoplastie. Un mode de réalisation de ces applicateurs comprend deux éléments électroconducteurs généralement tubulaires disposés coaxialement l'un par rapport à l'autre et séparés par un élément électriquement isolant présentant une épaisseur sélectionnée. Une partie au moins de chaque tube conducteur est revêtue d'une matière thermoconductrice et électriquement isolante, telle que de l'aluminium anodisé, de façon à isoler électriquement les tubes conducteurs du tissu cornéen après la mise en place de l'applicateur sur la cornée d'un sujet tout en facilitant l'extraction de la chaleur à partir de la cornée.
Smart & Biggar
The Trustees Of Dartmouth College
LandOfFree
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