A multi-channel minimally invasive apparatus capable of switching camera signals, comprising a camera and an endoscope. The endoscope comprises an operating channel (1), a primary endoscope (3) and a secondary endoscope (2). The operating channel (1) comprises a primary channel (11), a secondary channel (12) and a handle (13). The primary channel (11) and the secondary channel (12) are rigidly connected to the handle (13). Inlets of the primary channel (11) and the secondary channel (12) are disposed on the handle (13). The secondary endoscope (2) is disposed in the secondary channel (12). The secondary endoscope (2) is provided with a secondary cleaning channel (21) and a secondary optical channel (22) therein, and does not have an instrument channel therein. The primary endoscope (3) is disposed in the primary channel (11). The primary endoscope (3) is provided with a primary cleaning channel (31), a primary optical channel (32) and a primary instrument channel (33) therein. The camera comprises a switching apparatus and two cameras, wherein the two cameras are connected to the primary endoscope (3) and the secondary endoscope (2) respectively, and the switching apparatus is connected to the two cameras.L'invention concerne un appareil minimalement invasif à canaux multiples apte à commuter des signaux de caméra, comprenant une caméra et un endoscope. L'endoscope comprend un canal de fonctionnement (1), un endoscope principal (3) et un endoscope secondaire (2). Le canal de fonctionnement (1) comprend un canal principal (11), un canal secondaire (12) et une poignée (13). Le canal principal (11) et le canal secondaire (12) sont reliés de manière rigide à la poignée (13). Les entrées du canal principal (11) et du canal secondaire (12) sont disposées sur la poignée (13). L'endoscope secondaire (2) est disposé dans le canal secondaire (12). L'endoscope secondaire (2) est pourvu d'un canal de nettoyage secondaire (21) et d'un canal optique secondaire (22) à l'intérieur
