coarctotomy

co·arc·tot·o·my

(kō'ark-tot'ō-mē),
Division of a stricture.
[coarct + G. tomē, cutting]

coarctotomy

(kō″ărk-tŏt′ō-mē) [″ + Gr. tome, incision]
Cutting or dividing of a stricture.