Operating lamp

Abstract

The invention discloses an operating lamp, which comprises a light guide plate and a plurality of LED (Light Emitting Diode) lamps, wherein the light guide plate is a plate body, and has a light source incidence face, a reflecting face and a light emitting face; the axis of the reflecting face passing through the center of the light guide plate is defined as an optical axis; a plurality of light reflecting structures are formed on the reflecting face of the light guide plate, and are distributed symmetrically about the optical axis on the reflecting face; the LED lamps are correspondingly arranged at predetermined positions close to the light source incidence face of the light guide plate; light rays emitted by the LED lamps enter from the light guide plate, are guided in the same direction, reflected by each reflecting structure on the reflecting face and emitted from the light emitting face so as to be focused onto a plurality of focal points at different heights respectively and form a focal length, so that sufficient illumination brightness is provided for an object at any height within the focal depth.

Description

technical field [0001] The invention relates to a medical lighting fixture, in particular to an operating lamp which uses a light guide plate to guide light and focus on different positions. Background technique [0002] During the operation, the operating light is a very important medical equipment. No matter it is a general operation, it is very important to provide perfect lighting function. In addition to allowing the doctor to see the surrounding environment of the operation, including surgical instruments and positions, monitors, and the internal conditions of the patient, including the clarity and color of blood vessels and organs, it can also avoid serious injuries caused by unclear vision. medical negligence. Surgical lights used in medical operations must have the characteristics of forming a shadow-free area, which is different from general lighting devices. In terms of the existing surgical light design, due to the use of a single light source, it is easy to ca...

AI Technical Summary

Problems solved by technology

In terms of the existing surgical light design, due to the use of a single light source, it is easy to cause problems such as insufficient lighting, which causes unnecessary troubles and problems for the doctor during the operation, such as unclear vision of the surgical site, incorrect positioning of surgical instruments or Inconvenient, need to constantly adjust the angle of the monitor screen, etc., all of which cause great trouble for the operator

Others also use multi-light sources in combination with reflectors, reflective layers, and light-transmitting mirrors to concentrate the light source at a single focus position. However, this method also makes the depth of focus of the operating light insufficient, and the height of the operating light needs to be adjusted during use. , is also quite inconvenient

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