title: Guide wire distance marks for oesophageal dilatation.
abstract: The addition of chemically etched distance marks to standard oesophageal guide wires is described so that guide wire retraction during progressive oesophageal dilatation and impending impaction of the dilator onto the flexible wire tip can be quickly and easily recognised.
authors.affiliation: University Hospital of South Manchester, Didsbury.
authors.forename: D G
authors.initials: DG
authors.lastname: Maxton
mesh_terms: D004106:Dilatation / Q000295:instrumentation*; D004940:Esophageal Stenosis / Q000628:therapy*; D006801:Humans; D008722:Methods