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Light sources designed to provide light illumination at the distal end of a rigid endoscope that can be directly attached to the proximal end of the endoscope without using cables. These devices consist of a battery-powered lamp fixture that typically include light emitting diodes (LEDs) as light sources; dedicated adapters may be necessary for particular types of rigid endoscopes. Direct attachment rigid endoscope light sources are used in endoscopic procedures performed for diagnosis, therapy, or surgery.
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