PROBLEM TO BE SOLVED: To provide a suture reinforcing material which is for use in automatic suturing devices and which exhibits excellent reinforcing effect.SOLUTION: There is provided the suture reinforcing material for use in automatic suturing devices, which includes a sheet (A) that contains at least one biodegradable and bioabsorbable material selected from the group consisting of aliphatic polyesters, polyester ethers, and copolymers thereof, and has a layer (B) that contains a hydrophilic polymer on at least one surface of the sheet (A).COPYRIGHT: (C)2012,JPO&INPIT【課題】補強効果に優れる自動縫合器用縫合補強材を提供する。【解決手段】(A)脂肪族ポリエステル、ポリエステルエーテル、及びこれらの共重合体からなる群より選択される少なくとも1種の生体内分解吸収性材料を含むシートを含む自動縫合器用縫合補強材であって、シート(A)の少なくとも一つの面に(B)親水性高分子を含む層を有することを特徴とする、自動縫合器用縫合補強材。【選択図】なし