The invention relates to a device for intracorporeal application of auxiliary medical material, in particular for bio-materials and wound applications, having a hollow application tube for inserting the auxiliary medical material into the surgical area. To create a device for intracorporeal application of auxiliary medical material that ensures simple handling and a secure application of the auxiliary medical material in the surgical area, the invention is characterized by a winding insert that can be inserted into the hollow application tube and can be slid in the longitudinal direction of the application tube and on which it is possible to wind the auxiliary medical material that is to be applied.