Some implementations of the disclosure are directed to a portable endoscope system. The portable endoscope system may comprise: an endoscope, comprising: a distal end； a proximal end； an endoscope housing integrated into a proximal part of the proximal end； an illumination device housed by the housing； and an endoscope connector to removably couple the endoscope to a first end of a cable connector； and a portable control box separate from the endoscope and to removably couple to the endoscope via the cable connector, the portable control box comprising: a portable control box connector to removably couple the portable control box to a second end of the cable connector； a power source to power the endoscope； a control board to control the endoscope； and a control box housing to house the power source and the control board.
