title: [A new type of trephine (screw trephine) (author's transl)].
abstract: A description of a new type of trephine is given with its technical advantages during a fistulizing procedure in glaucoma surgery.
mesh_terms: D005901:Glaucoma / Q000601:surgery; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation; D014207:Trephining / Q000295:instrumentation*
vernacular_title: Ein neuartiger Trepan (Schraubentrepan)