Pbh, Inc.

Citation Medical Corporation

W Michael Lafferty

Daniel Steven Kline

Charles S Slemon

George H Middle

Algis R Banys

W James Frandsen

An ophthalmic lens inspection system includes an illumination assembly which generates diffuse light and transmits the diffuse light through an ophthalmic lens disposed in an inspection position, the diffuse light having a diffusivity of between 30.degree. and 50.degree.. An imaging assembly generates a set of signals representing selected portions of the diffuse light transmitted through the ophthalmic lens in the inspection position. A moving mechanism supports the imaging and illumination assemblies for common movement relative to the contact lens, to bring a reference point into alignment with the center of the imaging assembly.

Opthalmic lens inspection system

Ophthalmic lens inspection system

A disposable sterile sleeve is provided which is removably attachable to a video camera of an arthroscope. The sleeve comprises a flexible elongate tubular shroud and a rigid annular mounting collar. The shroud is open ended with the collar rotatably attached to one open end by a connector member providing independent rotation of the collar relative to the shroud. A pull tab is attached to the opposite open end of the shroud to facilitate extension of the shroud over the camera. The sleeve may be compacted for storage prior to use by tightly scrunching the shroud together, thereby folding it onto itself. To attach the sleeve to the camera, the video camera is inserted through the compacted shroud until it engages the collar. A male thread provided on the camera is threaded into a female thread provided on the collar and the shroud is then extended over the camera by pulling on the tab to draw out the folds in the shroud.

Sleeve for maintaining the sterility of an arthroscopic procedure

A method is provided for assembling an arthroscopic probe which includes bending a linear image-transmitting optical fiber about a heated pivot point so that the distal end of the fiber is oblique to the proximal end. A lens is then attached to the distal face of the image-transmitting optical fiber by means of an adhesive and the resulting image path is positioned in a hollow needle with the lens exposed at the distal end and the optical fiber exposed at the proximal end. An illuminating optical fiber is also positioned in the needle adjacent the image path and the two are anchored therein by a curable filler material. Finally, the needle is proximally mounted in a base such that the proximal faces of the image-transmitting and illuminating optical fibers are exposed.

Method for manufacturing a disposable arthroscopic probe

Growing community of inventors

Leucadia, CA, United States of America

W Michael Lafferty