Kirschner Medical Corporation

Professional Medical Products, Inc.

Michael P Boudreau

Harvey D Corley

John W Davis

Randall W Jacoby

James L Laughlin

J Larry Laughlin

An improved ambulatory halo device to be worn by a patient for rigid immobilization of the cervical spine has a vest for positionally fixed attachment to the upper torso of the patient, an adjustable framework attached to the vest extending upwardly to adjacent the skull of the patient, and a halo member having a plurality of skull pins adjustably supported on the upper portion of the framework for closely surrounding the skull of the patient. The skull pins are positioned to engage the skull of the patient around the skull above the eyes to rigidly fix the position of the skull and maintain traction on and rigidly fix the position of the cervical spine. The framework is composed of rods and brackets which may be adjustably positioned to positively locate the halo member upon initial attachment to the patient and to permit positional adjustment of the halo member in elevation, anterior/posterior translation and tilt, and rotation about a medial axis of the body of the patient without loss of control of traction on the cervical spine.

Orthopedic fixation device

A retractable light assembly for use in portions of a room and for hidden storage within the ceiling of the room when not in use, comprising a rigid support frame adapted to be mounted within an opening in and above the ceiling of a room and defining a lower frame opening containing movable panels attached to the frame for movement between a first position closing the frame opening and a second position extending downwardly therefrom into a room. A positionally adjustable lighting fixture mounted on the upper surface of one of the panels is carried thereby from a stored, hidden position in the ceiling into the room for manual positioning and use. An electromechanically-powered linear actuator connecting the frame to the panels is actuated to move the panels and lighting fixture from stored to use position.

Retractable light assembly

Growing community of inventors

Greenwood, SC, United States of America

Michael P Boudreau