PROBLEM TO BE SOLVED: To develop an ideal system that only needs to attach a cartridge type diaper to a person requiring care from a growing child to a person who cannot walk on a wheel chair and a bedridden person by housing a toilet device in a mattress.SOLUTION: By using the toilet device in the present invention, the considerable number of care staff for the hospitalized and/or postoperative in a medical site can be reduced who take care of a person requiring care from an infant to a person who cannot walk on a wheel chair. Accordingly, the diaper detachable toilet device housed in a mattress can solve an issue of improving life environment in a low birth rate and longevity problem, as well as an economical effect can be expected thereby.COPYRIGHT: (C)2015,JPO&INPIT【課題】トイレ装置をマットレスに収納させ、育児から車椅子等歩行困難者及び寝たきりの要介護者に、カートリッジ式オムツを装着させるのみでよい理想的なシステムの開発が課題であった。【解決手段】本願のトイレ装置により、乳幼児から車椅子等歩行困難者までの要介護者と入院術後の医療現場において、介護職員の相当数が削減できる為、経済的にも効果が期待でき、又、少子高齢化問題でライフ環境の改善にも役立つマットレス内収納オムツ着脱式トイレ装置で課題が解消される。【選択図】図1