Patent ID: 8480685

Claim:
An endo-therapy product system comprising: an introduction device including a tubular body configured to be inserted into a channel of an endoscope, a wire inserted to be movable along an axial direction of the tubular body, and a connecting portion configured to be arranged at a distal end of the wire and retractable with respect to a distal end of the tubular body by movement of the wire; a treatment device including a coupling member having an engagement portion configured to be engaged with the connecting portion at a proximal end, and a treatment device-main body configured to be detachably provided at a distal end of the coupling member; and a cartridge including a treatment device-accommodating portion in which the treatment device is accommodated and being used when engaging the connecting portion with the engagement portion; wherein the treatment device-accommodating portion includes: a central axis; a coupling member-accommodating portion in which the coupling member of the treatment device is arranged and a treatment device-main body-accommodating portion in which the treatment device-main body is configured to be arranged on the central axis of the treatment device-accommodating portion and the treatment device-main body-accommodating portion comprises at a distal end thereof an inclined surface with respect to the central axis of the treatment device-accommodating portion and with respect to an orthogonal direction of the central axis on which a distal end of the treatment device main body is slidable in a contact state.