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US 2021/0315441 A1Published application
Hydrophobic finish for medical devices
AssigneeCovidien LP
InventorsDouglas M. Pattison, Henry E. Holsten
Life of this patent
Estimating the term…
Abstract
A medical device has a treated surface that avoids the need for cleaning the medical device during use. In aspects, the medical device has an optical component, such as a lens. The lens has a laser treated hydrophobic surface that repels tissue and body fluids in use.
Claims14
A laparoscope, comprising:
- an elongate body having a distal portion, a proximal portion, and a lens at the distal portion, the lens having a laser treated hydrophobic surface.
An optical trocar, comprising:
- a cannula assembly;
- and
- an obturator assembly, the obturator assembly having an obturator housing in mechanical cooperation with an elongated obturator member, and an optical tunneling member at a distal portion of the obturator member, the optical tunneling member having a laser treated hydrophobic surface.
Dependencies are inferred from the claim text.