A tissue repair material comprising gelatin granules and having a water absorption rate of 800% or more on a mass basis and a residual rate of 60% or less on a mass basis by a 3 hour decomposition treatment using 1 mol / L hydrochloric acid. A block-like tissue repair material comprising gelatin and having a water absorption rate of 800% or more on a mass basis and a residual rate of 60% or less on a mass basis by a 3 hour decomposition treatment using 1 mol / L hydrochloric acid.ゼラチン顆粒を含み、質量基準で８００％以上の吸水率と、１モル／Ｌの塩酸を用いた３時間の分解処理による質量基準で６０％以下の残存率と、を示す組織修復材。 ゼラチンを含み、質量基準で８００％以上の吸水率と、１モル／Ｌの塩酸を用いた３時間の分解処理による質量基準で６０％以下の残存率と、を示すブロック状組織修復材。
