Patent number 8556806 is assigned to
The following quote was obtained by the news editors from the background information supplied by the inventors: "The present disclosure relates generally to apparatus for the illumination of endoscopic and borescopic fields, in minimally invasive surgical (MIS) procedures, general or diagnostic medical or industrial procedures using stereo endoscopes or borescopes, respectively. More particularly, embodiments of the disclosure relate to use of a Light Emitting Photodiode and other solid state light sources in endoscopic and borescopic procedures, as a means of illumination for a single channel and single sensor method of stereoscopic imaging.
"Endoscopy is used in both diagnostic and surgical procedures. Currently, MIS procedures, as opposed to open surgical procedures, are routinely done in almost all hospitals. Minimally invasive surgical techniques minimize trauma to the patient by eliminating the need to make large incisions. This both reduces the risk of infection and reduces the patient's hospital stay. Laparoscopic and endoscopic procedures in MIS use different types of endoscopes as imaging means, giving the surgeon an inside-the-body view of the surgical site. Specialized endoscopes are named depending on where they are intended to look. Examples include: cystoscope (bladder), nephroscope (kidney), bronchoscope (bronchi), laryngoscope (larynx/the voice box), otoscope (ear), arthroscope (joint), laparoscope (abdomen), gastrointestinal endoscopes, and specialized stereo endoscopes used as laparoscopes or for endoscopic cardiac surgery.
"The endoscope may be inserted through a tiny surgical incision to view joints or organs in the chest or abdominal cavity. More often, the endoscope is inserted into a natural body orifice such as the nose, mouth, anus, bladder, or vagina. There are three basic types of endoscopes: rigid, semi-rigid, and flexible. The rigid endoscope comes in a variety of diameters and lengths depending on the requirements of the procedure. Typical endoscopic procedures require a large amount of equipment. The main equipment used in conjunction to the visual part of the endoscopic surgery are the endoscope body, fiber optics illumination bundles, illumination light source, light source controller, imaging camera, camera control module, and video display unit.
"Endoscopes can have a variety of forms, ranging in diameter, tube length, and angle of view. Endoscopes can be diagnostic, for observation only, or operative, having channels for irrigation, suction, and the insertion of accessory instruments when a surgical procedure is planned. Thus, endoscope bodies also could provide mechanical or electrical control sections, buttons for valves such as a suction valve, a CO2 valve, a water bottle connector, a water feed, a suction port, etc. The common component that all endoscopes must be equipped with is a light guide section for illumination.
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