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Patent
   D735857
Priority
Oct 31 2012
Filed
Oct 31 2012
Issued
Aug 04 2015
Expiry
Aug 04 2029
Inventors
Dykes, Ron…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
8
References
24
Maint.:
n/a
The ornamental design for a pupil expander, as shown and described.

FIG. 1 is a perspective view of a pupil expander showing my new design;

FIG. 2 is a left side elevation view and is a mirror image of a right side elevation view thereof;

FIG. 3 is a front side elevation view and is a mirror image of a rear side elevation view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.
INVENTORS:

Dykes, Ronald Eugene

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10307150, Jun 26 2014 The Regents of the University of Colorado, a body corporate Ocular tissue expansion ring
10357235, Jun 19 2013 Intraocular expansion and retention devices
10716555, Oct 20 2015 National University of Singapore Expander for holding apart an opening in a tissue and method of operating the same
11147544, Jun 19 2013 Intraocular expansion and retention methods
11219438, Mar 15 2007 Microsurgical Technology, Inc. Expansion ring for eyeball tissue
11602456, Mar 15 2007 MICROSURGICAL TECHNOLOGY, INC Ring used in a small pupil phacoemulsification procedure
11793503, Mar 15 2007 Microsurgical Technology, Inc. Expansion ring for eyeball tissue
D797930, Feb 25 2015 UCL Business PLC Speculum
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3925825,
4321916, Mar 26 1980 Eyelid retractor
4387706, Apr 10 1981 Iris retractor
4428746, Jul 29 1981 Glaucoma treatment device
5163419, Apr 04 1991 Device for expanding the pupil of a human eye
5267553, Feb 18 1992 GRAETHER, JOHN M Pupil expander and method of using the same
5318011, Feb 04 1992 ESCALON OPHTHALMICS, INC Iris protector/dilator and method of using the same
5322054, Feb 18 1992 Graether Development Corporation Pupil expander carrier and means for manipulating a pupil expander
5427088, Feb 18 1992 Graether Development Corporation Apparatus for inserting a pupil expander
6083155, Apr 16 1999 THROMBOGENICS N V Eyelid speculum
6183480, Apr 09 1999 MACKOOL, RICHARD J Intraocular device for stabilizing of a lens capsule
6497724, Apr 30 1999 BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, THE Expandable space frame
6620098, Dec 03 1998 Milvella PTY LTD Device for dilating a pupil and/or maintaining a pupil in a dilated state
7175594, Jan 22 2002 Ophthalmic sulcus speculum
7806929, Aug 27 2004 Intracapsular pseudophakic device
7947049, Mar 31 2004 Bausch & Lomb Incorporated IOL injector
7985180, Nov 08 2006 Eyelid retractor
8323296, Mar 15 2007 Ring used in a small pupil phacoemulsification procedure
8376743, Oct 18 2011 King Saud University Oral retractor
8496583, Nov 03 2012 Pupil dilation system
8876859, Dec 14 2010 Devices for performing blepharoplasty and methods of using the same
8900136, Mar 15 2013 HEALTHCARE FINANCIAL SOLUTIONS, LLC, AS SUCCESSOR AGENT Iris expander
20030092970,
20140378773,
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