PROBLEM TO BE SOLVED: To provide a stretcher carrying assistant device which enables suitably carrying a stretcher down a stair by a small number of people.SOLUTION: A stretcher carrying assistant device 1 is installed to a stretcher 100 having a pair of parallel support bars 110 and a sheet 120 stretched between the pair of support bars 110 in order to assist carrying the stretcher on a flat ground or down a stair. There are provided: a support pole 10 detachably attached to one end 110a of the pair of support bars 110 of the stretcher 100 wheels 21 juxtaposedly provided at a bottom end of the support pole 10 and a damper part 30 which reduces speed of descending the stairs by coming into contact with the steps of the stairs when wheels 21 are brought down the stairs. This enables a carrier supporting the other end 110b of the support bars 110 of the stretcher 100 to carry the stretcher 100 on his/her own.COPYRIGHT: (C)2015,JPO&INPIT【課題】担架を少人数の運搬者によって階段で下ろすことに対応させることができる担架運搬補助装置を提供すること。【解決手段】担架運搬補助装置1は、一対の平行な支持棒110と、支持棒110の間に張架したシート120を有する担架100に装着され、平地の移動時及び階段を下りる時に移動を補助する。担架100の一対の支持棒110の一端110aに着脱自在に装着される支柱部10と、支柱部10の下端に配設される並列した車輪21と、車輪21が階段を下りる際に、階段の踏面に当接して車輪21が段差を落下する速度を落とすダンパー部30と、を有し、担架100の支持棒110の他端110bを支持する運搬者が一人で担架100を運搬できる。【選択図】図1