A scalpel is a surgical instrument.

手术刀是外科器械。

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Principle of a new ArF Excimer laser refractive surgical instrument is introduced in detail.

本文详细介绍了新型准分子激光屈光矫正治疗仪的研制机理。

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A surgical instrument. The surgical instrument comprises a handle, a battery, a motor, and a lockout system.

一种外科切割器械，包括手柄、电池、马达以及锁定系统。

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Mr Nash's family claimed there were problems with the sort of surgical instrument used and they believed his bowel was perforated.

BBC: Payout after Stafford Hospital patient Alan Nash death

However, an inquest held into his death in February 2011 found that he died after his bowel burst due to a build-up of pressure in it - not because of any problems caused by a surgical instrument.

BBC: Payout after Stafford Hospital patient Alan Nash death

Stones that are resistant to lithotripsy may be treated with a surgical procedure known as a percutaneous nephrolithotomy, in which an instrument is passed through the skin into the kidney to grab and break up or remove the stone.

CNN: What can I do for kidney stones?