BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a diagram explaining the entire structure of an endoscopy system according to a first embodiment;
FIG. 2 is a diagram showing an operation instructing device held by an operator's hand;
FIG. 3 is a sectional view of the operation instructing device;
FIG. 4 is a top view of the operation instructing device;
FIG. 5 is a sectional view explaining a modification of the operation instructing device;
FIG. 6 is a longitudinal sectional view showing the internal structure of a motor-driven forward/backward moving device;
FIG. 7 is a transverse sectional view of the internal structure of the motor-driven forward/backward moving device;
FIG. 8 is a top view of a motor-driven operating device;
FIG. 9 is a side view of the motor-driven operating device;
FIG. 10 is a diagram explaining a state before biopsy forceps are operated by the operation instructing device;
FIG. 11 is a diagram explaining a state where the biopsy forceps are operated by the operation instructing device;
FIG. 12 is a diagram explaining a state where the biopsy forceps are operated in the programmed operation.
FIG. 13A is a diagram explaining a state before a diathermic snare is operated by the operation instructing device;
FIG. 13B is a diagram explaining a state where the diathermic snare is operated in the programmed operation;
FIG. 13C is a diagram explaining a state where the operation of the diathermic snare is completed in the programmed operation;
FIG. 14A is a diagram explaining a state where a cannula is introduced into a papillary region by operating the operation instructing device;
FIG. 14B is a diagram explaining a state where the cannula is introduced into a bile duct in the programmed operation;
FIG. 15A is a diagram explaining a state where a retrieval basket of basket forceps is developed by operating the operation instructing device;
FIG. 15B is a diagram explaining a state where a gallstone is retrieved and held by the retrieval basket in the programmed operation;
FIG. 16 is a diagram explaining the entire structure of an endoscopy system according to a second embodiment;
FIG. 17A is a diagram explaining a state where the retrieval basket of the basket forceps is developed by operating an operation instructing device;
FIG. 17B is a diagram explaining a state where the retrieval basket of the basket forceps is rotated to retrieve a gallstone by operating the operation instructing device;
FIG. 18 is a diagram explaining a state where the retrieval basket of the basket forceps is rotated to retrieve a gallstone in the programmed operation;
FIG. 19 is a diagram explaining an example of another structure of a selector;
FIG. 20 is a diagram explaining the entire structure of an endoscopy system according to a third embodiment;
FIG. 21 is a diagram explaining an operation instructing device including a plurality of program operation units;
FIG. 22 is a diagram explaining a state where a balloon of a balloon catheter is inflated in the programmed operation;
FIG. 23 is a diagram explaining a constant state where small gallstones are removed from a bile duct in the programmed operation, the diagram explaining the state where the balloon of the balloon catheter is inflated;
FIG. 24A is a diagram explaining an operation instructing device dedicated for the retrieval basket; and
FIG. 24B is a diagram explaining an operation instructing device dedicated for a cannula.