ギプス

cast, plaster cast

noun Rare #27,606
cast, plaster cast A hard cast used to immobilize a broken bone or other injury.
JA: 腕にギプスをしている。
EN: I have a cast on my arm.

まさかギプスとは

I can't believe it's a cast.

— Бриллиантовая рука (1969)

戻る理由は時間の節約街道の途中でギプスを外す

The reason for turning back is to save time. Remove the cast halfway along the road.

— Бриллиантовая рука (1969)