导
管
插
入
术
d
á
o
d
ǎ
o
g
u
ǎ
n
g
u
ǎ
n
c
h
ā
c
h
ā
r
ù
r
ù
s
h
ù
s
h
ù
Definitions
1. Catheterization
Components
导管
dǎo guǎn
–
duct
插入
chā rù
–
to insert
术
shù
–
method