An endoscopy device or table deployable from a non-deployed position to a deployed position, comprising: - a connection ring to an endoscope; - at least two guiding means or operating arms (3, 3'), each of said operating arms (3, 3') being able to receive at least one surgical instrument; - orientation means designed to orient said guiding means or operating arms independently of the other one guiding means or operating arm around at least two rotational centers (α, γ and α', γ', respectively) in a same first orientation plane defined by the main axes (B, B') of said guiding means or operating arms, such that when a surgical instrument is inserted into said guiding means or operating arm, the latter is capable of imposing a movement on said surgical instrument in at least two spatial dimensions, characterised in that: - said ring corresponds to a deployable element, such that in the deployed position of said device or said table, the height of said element is smaller than its diameter and said element has a central opening such that said ring can be connected to the distal end of an endoscope; - the guiding means or operating arms can be secured to said connection ring; and - the device comprises means for extension and for connection of the ring to the endoscope, comprising at least one cable called connection cable that can be actuated so as to cause said endoscopy device or table to pass from the non-deployed position to the deployed position by deploying the connection ring and to form said central opening and, in the deployed position, to connect, at a distance, the connection ring to the endoscope by inserting the endoscope into the central opening. - a connection ring to an endoscope; - at least two guiding means or operating arms (3, 3'), each of said operating arms (3, 3') being able to receive at least one surgical instrument; - orientation means designed to orient said guiding means or operating arms independently of the other one guiding means or operating arm around at least two rotational centers (α, γ and α', γ', respectively) in a same first orientation plane defined by the main axes (B, B') of said guiding means or operating arms, such that when a surgical instrument is inserted into said guiding means or operating arm, the latter is capable of imposing a movement on said surgical instrument in at least two spatial dimensions, - said ring corresponds to a deployable element, such that in the deployed position of said device or said table, the height of said element is smaller than its diameter and said element has a central opening such that said ring can be connected to the distal end of an endoscope; - the guiding means or operating arms can be secured to said connection ring; and - the device comprises means for extension and for connection of the ring to the endoscope, comprising at least one cable called connection cable that can be actuated so as to cause said endoscopy device or table to pass from the non-deployed position to the deployed position by deploying the connection ring and to form said central opening and, in the deployed position, to connect, at a distance, the connection ring to the endoscope by inserting the endoscope into the central opening.