執しっ刀とう医い

noun

operating surgeon; surgeon performing an operation

Refers specifically to the surgeon who actually performs the surgery, as opposed to an assistant or a surgeon in general. Often used in medical contexts or news reports.

See also: 外科医

• 執しっ刀とう医いは手しゅ術じゅつの前まえに患かん者じゃに説せつ明めいを行おこなった。

  The operating surgeon explained the procedure to the patient before the surgery.

• 彼かれはその病びょう院いんで心しん臓ぞう外げ科かの執しっ刀とう医いを務つとめている。

  He serves as the operating surgeon for cardiac surgery at that hospital.