DEVICE FOR OPHTHALMOLOGICAL OPERATIONS Russian patent published in 1997 - IPC

FIELD: medicine, ophthalmology. SUBSTANCE: device consists of a body inside of which a head is designed with a mobile cutter connected with a drive, a protective socket and a support, approximate and accurate scales, a control panel connected with a drive, microprocessor, control element and regulating self-stopping element with a central hole designed inside a head and connected with a support element as a differential screw connected with two figured nut that have different screw thread paces. One nut is immobile and has got protuberances to be inserted into another nut to provide its axial movement. Moreover, a support is designed together with a head which has a longitudinal groove for angular fixation of a cutter. A drive is detachable and can be installed on the body by a collet chuck. An insert made of transparent material for magnifying effect is put on a body. A control element is designed as a pedal. A drive is designed to be electric, but it can be also designed to be manual, for example as a holder. EFFECT: higher accuracy and efficiency. 9 cl, 4 dwg