他在骨折后使用了拐杖。

Tā zài gǔzhé hòu shǐyòngle guǎizhàng.

He used crutches after the bone fracture.

老人手持拐杖缓慢地走在街上。

Lǎorén shǒuchí guǎizhàng huǎnmàn de zǒu zài jiēshàng.

The elderly person walked slowly on the street with a crutch.

他因腿部受伤，需要使用拐杖。

Tā yīn tuǐbù shòushāng, xūyào shǐyòng guǎizhàng.

He needs to use crutches due to a leg injury.