"FIGS. 20A to 20D collectively show a PEG catheter kit in which FIG. 20A is a partially cut-away perspective view of a PEG catheter kit, FIG. 20B is a cross-sectional view showing a state in which a joint wire is linked with a guide wire, FIG. 20C is a cross-sectional view showing a state in which the joint is moved into a sheath, and FIG. 20D is a perspective view showing a state in which a head a" . . . .