As for purpose of this invention, it is possible, is absorbed with internal to prevent the adhesion of the internal organs surfaces effectively and, safety is high, furthermore production being easy, it is to offer the adhesion prevention method of using the adhesion prevention material, and the said adhesion prevention material whose practicality is high. As for this invention, (1) the adhesion prevention material which includes the water absortion power - polyglutamic acid building a bridge body as the active ingredient (2) the water absortion power - polyglutamic acid building a bridge body, absorption coefficient the aforementioned adhesion prevention material which is 800 - 2000 powdered (3) adhesion prevention method of the internal organs which feature that the aforementioned adhesion prevention material, is made to contact the local internal organs surface (4) the local internal organs surface, offers the aforementioned adhesion prevention method of being damp or wet condition.本発明の目的は、臓器表面の癒着を効果的に防止することができ、体内で吸収されて安全性が高く、しかも製造が容易で実用性の高い癒着防止材、および該癒着防止材を用いた癒着防止方法を提供することである。本発明は、(1)吸水性γ-ポリグルタミン酸架橋体を有効成分として含む癒着防止材;(2)吸水性γ-ポリグルタミン酸架橋体が、吸水率800~2000の粉末状である前記癒着防止材;(3)前記癒着防止材を、局所臓器表面に接触させることを特徴とする臓器の癒着防止方法;(4)局所臓器表面が、湿潤状態である前記癒着防止方法を提供する。
