Banko Anton, Kelman Charles D: Material removal apparatus and method employing high frequency vibrations. Cavitron Corporation, June 29, 1971: US3589363 (450 worldwide citation)

An instrument for breaking apart and removal of unwanted material, especially suitable for surgical operations such cataract removal, including a handheld instrument having an operative tip vibrating at a frequency in the ultrasonic range with an amplitude controllable up to several thousandths of a ...

Kelman Charles: Surgical handpiece and flow control system for use therewith. Cavitron Corporation, September 26, 1972: US3693613 (270 worldwide citation)

A flow control system is used in conjunction with a surgical handpiece for the removal of unwanted material in a very small enclosed operative site in which it is very critical to maintain a pressure within a certain range, such as in the surgical operation of the removal of a cataract lens from the ...

Kelman Charles D, Devore Dale P: Human collagen processing and autoimplant use.. Kelman Charles D M D, Devore Dale P, August 30, 1989: EP0330389-A2 (35 worldwide citation)

Production of a chemically modified, crosslinkable, telopeptide-containing, naturally crosslinked, solubilized collagen from tissue obtained from a sole human donor, for implanting in the same donor, by chemically modifying the tissue, e.g. by acylation and/or esterification, to form an autoimplanta ...

Kelman Charles D, Devore Dale P: Non-biodegradable, two-phase corneal implant and method for preparing same.. Autogenesis Tech, August 28, 1991: EP0443094-A2 (26 worldwide citation)

The present invention provides a non-biodegradable corneal implant comprising (1) a polymerized transparent collagenous core having acylated amine or esterified carboxyl groups, and (2) a polymerized periphery surrounding the core, the periphery comprising fibrous collagen, e.g., Type I, being in th ...



Kelman Charles D: Intraocular lens having glare-inhibiting means.. Kelman Charles D, November 25, 1987: EP0246754-A1 (20 worldwide citation)

An intraocular lens having a lens body having a positioning opening (30) therein adapted to receive the working tip of a surgical instrument used to manipulate the lens for seating in the eye. The opening is in the form of a blind bore, the bottom wall surface of which is masked by being frosted or ...

Kelman Charles D M D: Intraocular lens assembly. Kelman Charles D M D, October 4, 2001: EP1138282-A1 (15 worldwide citation)

A two-piece intraocular lens assembly to be implanted within an eye through a minimum size incision into the eye includes a lens optic (10) and a frame assembly (20). The lens optic is flexible and includes radially directed tabs (16) extending from its peripheral edge. The frame assembly, according ...