Surgery – Instruments – Corneal cutter or guide for corneal cutter
Reexamination Certificate
2006-03-28
2006-03-28
Ho, (Jackie) Tan-Uyen T. (Department: 3731)
Surgery
Instruments
Corneal cutter or guide for corneal cutter
C606S167000
Reexamination Certificate
active
07018389
ABSTRACT:
The invention concerns an improved tip (1) for oculistic surgery, particularly for the removal of cataract, having a proximal joint end (2) and a distal end (4), contacting the crystalline during the surgical intervention, wherein the distal end (4) contacting a corneal or sclera tissue is coated with an anti-friction treatment, based on carbon and tungsten carbide.
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Esteve et al., “Mechanical and Tribological Properties of Tungsten Carbide Sputtered Coatings”, Superfaces Y Vacio, vol. 9, 1999, pp. 276-279. XP002265428.
Hoffman A et al., “Compaction, Distribution, and Chemical Bonding of Tungsten-Implanted Glassy Carbon”, Journal of Applied Physics, American Institute of Physics. New York, US, vol. 72, No. 12, Dec. 15, 1992, pp. 5687-5694. XP001172409. ISSN: 0021-8979.
Harry et al., “Adhesion and Failure Mechanisms of Tungsten-Carbon Containing Multilayered and Graded Coatings Subjected To Scratch Tests”, Thin Solid Films, Elsevier-Sequoia S.A. Lausanne, CH, vol. 342, No. 1-2, Mar. 26, 1999, pp. 207-213, XP004168096. ISSN: 0040-6090.
Gauthier & Connors LLP
Ho (Jackie ) Tan-Uyen T.
Optikon 2000 S.p.A.
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