title: [An improved cannula for the Beck-puncture (author's transl)].
mesh_terms: D005626:Frontal Sinus / Q000601:surgery*; D011677:Punctures / Q000295:instrumentation*; D012852:Sinusitis / Q000601:surgery*; D013525:Surgical Instruments
vernacular_title: Vorstellung einer verbesserten Kanüle zur Beck-Punktion