PROBLEM TO BE SOLVED: To provide a suture prosthetic material for an automatic suture device capable of improving operability by suppressing catch occurring when inserting the automatic suture device into a body.SOLUTION: There is provided a suture prosthetic material for an automatic suture device which is cylindrical by sewing an end part of a sheet-like body. In the suture prosthetic material for the automatic suture device, the sheet-like body comprises a cloth body comprising a bioabsorbable material, or the cloth body comprising the bioabsorbable material and a flexible knitted fabric, and the end part of the sheet-like body is sawn by overlock sewing and opened.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】自動縫合器を体内に挿入した際の引っかかりを抑え、操作性を向上させることができる自動縫合器用縫合補綴材を提供する。【解決手段】シート状体の端部を縫製し筒状とした自動縫合器用縫合補綴材であって、前記シート状体は、生体吸収性材料からなる布状体、又は、生体吸収性材料からなる布状体と伸縮性を有する編織物地からなり、前記シート状体の端部はかがり縫いによって縫製され、開反されている自動縫合器用縫合補綴材。【選択図】 図1