Sinus and nasal stent

摘要: A stent (100) that is sleeved and radially expandable, which in an expanded state provides a breathable, generally tubular structure sized shaped for residence sinus or nasal cavity passage, unexpanded has cross-sectional diameter suitable insertion into such passage. The sleeve limits expansion outward pressure exerted by the thereby can prevent reduce incidence of headache patients, provide increased surface area improved elution drugs to nearby mucosal tissue.