close-up of shadowless lamp used in medical surgery

light medical medicine modern objects surgery closeup shadowless lamp surgical operating room operation minimally invasive laparotomy cardiac ophthalmic principle multilight source design color temperature adjustment high rendering index close natural brightness dimming system led energysaving efficient long service life low heat radiation antiglare uniform spot shadow area clear field view precise staff surgeon assistant nurse instruments scalpel tweezers suture needle prevention infection sterile convenient disinfection dust cover multiangle flexible control installation fixation ceiling hanging cantilever