难治性鼻泪管阻塞
refractory naso-lacrimal duct obstruction
外伤性鼻泪管阻塞
Traumatic obstruction of the nasolacrimal duct
先天性鼻泪管阻塞
comgenital nasolacrinnal duct obstruction
Neonatal duct obstruction
congenital nasolacrimal duct obstruction
原发性鼻泪道阻塞
Primary nasolacrimal duct obstruction
NiTi心血管支架
Nitinol cardiovascular stent
弧梁复合式心血管支架
arc-strut complex cardiovascular stent