Corneal trephine

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Description

FIG. 1 is a perspective view of an embodiment of the corneal trephine.

FIG. 2 is a side view of an embodiment of the corneal trephine.

FIG. 3 is a top view of an embodiment of the corneal trephine.

FIG. 4 is a front view of an embodiment of the corneal trephine.

FIG. 5 is a side view of an embodiment of the corneal trephine.

FIG. 6 is a bottom view of an embodiment of the corneal trephine; and,

FIG. 7 is a rear view of an embodiment of the corneal trephine.

Claims

The ornamental design for a corneal trephine, as shown and described.

Referenced Cited
U.S. Patent Documents
2473968 June 1949 Paton
4336805 June 29, 1982 Smirmaul
4423728 January 3, 1984 Lieberman
4763651 August 16, 1988 Kaufman
D338270 August 10, 1993 Stephens
D679394 April 2, 2013 Gleixner
20100152754 June 17, 2010 Weston
20160067096 March 10, 2016 Weston
Other references
  • High Quality Corneal Trephines, announced Oct. 3, 2016 [online], [site visited Oct. 24, 2016]. Available from internet, URL: <http://coronetmedical.com/>.
  • Recipient Vacuum Trephine, announced Aug. 1, 2015 [online], [site visited Oct. 24, 2016]. Available from internet, URL: <http://coronetmedical.com/>.
  • Vacuum Corneal Trephine, announced Oct. 23, 2014 [online], [site visited Oct. 24, 2016]. Available from internet, URL: <https://www.jedmed.com/products/trephine-punches>.
  • Vacuum Trephines, announced May 30, 2016 [online], [site visited Oct. 24, 2016]. Available from internet, URL: <http://www.odakmed.com/index.php?lang=eng&page=13&prodCatID=95&prodID=212>.
Patent History
Patent number: D819817
Type: Grant
Filed: Dec 18, 2015
Date of Patent: Jun 5, 2018
Assignee: Coronet Medical Technologies Limited (Ripon, North Yorkshire)
Inventors: Ian Douglas Weston (Ripon), Philip Douglas Weston (Ripon)
Primary Examiner: Keli L Hill
Assistant Examiner: Karra S Johnson
Application Number: 29/549,115