title: A comment on aortic perfusion cannulas.
abstract: An improved aortic perfusion cannula is described. The portion that passes through the aortic pursestring suture is tapered. The cannula can thus adapt to any enlargement of the cannulation site and miminize annoying leakage of blood during cardiopulmonary bypass.
mesh_terms: D001011:Aorta / Q000601:surgery*; D006328:Cardiac Catheterization / Q000295:instrumentation* / Q000379:methods; D002315:Cardiopulmonary Bypass; D001026:Coronary Artery Bypass; D006801:Humans; D013537:Sutures