Surgery – Body protecting or restraining devices for patients or infants
Reexamination Certificate
2006-03-28
2006-03-28
Brown, Michael A. (Department: 3764)
Surgery
Body protecting or restraining devices for patients or infants
C128S887000, C604S008000, C604S009000
Reexamination Certificate
active
07017580
ABSTRACT:
A punctum plug system includes a punctum plug and an insertion tool therefor. In various embodiments of the invention, the plug includes an axial bore shaped in accord with a stepped cylinder, a cylinder having a tapered end, or a combination thereof. In each embodiment, a relatively proximal portion of the tip of the insertion tool extends within a relatively larger diameter proximal portion of the plug bore but does not frictionally engage such portion, and a relatively distal portion of the insertion tool tip frictionally engages the distal portion of the plug bore. The frictional engagement between the tool tip and the plug is preferably optimized such that once the plug is inserted into a punctum for which the plug is appropriately sized, the insertion tool may be removed simply by withdrawal of the tool, without wiggling the tool or stabilizing the plug with a second instrument.
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Brochure: “Ready-Set” Punctum Plugs, designed by J.A. Bernard, MD, FCI Ophthalmic, 2003, on www.fci-ophthalmic.com/ready-set—punctum—plugs.htm.
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Product Guide: “Punctum Plugs with a Slant!”, FCI Ophthalmics “Ready-Set” Punctum Plugs, down loaded at www.revoptom.com/PS/FCIOphth.htm.
“Clinicians Report Favorable Results with Theromosensititve Punctum Plug” by Suzanne Bryla, Primary Care Optometry News, May 1, 2003.
Mendius Richard W.
Prescott Anthony D.
Brown Michael A.
Clarity Corporation
Gordon & Jacobson P.C.
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