Translation guide
A ventilator is a machine that helps people breathe. In Japanese, the term depends on whether you mean a medical ventilator or a general ventilation device.
A machine that moves breathable air into and out of the lungs for a patient who cannot breathe adequately.
Standard term for a medical ventilator. Literally 'artificial respiration device'.
患者は人工呼吸器につながれている。
The patient is on a ventilator.
Loanword from English, used in medical contexts. Often interchangeable with 人工呼吸器.
レスピレーターの設定を確認してください。
Please check the ventilator settings.
Less common loanword; may be understood but 人工呼吸器 or レスピレーター are preferred.
ベンチレーターが必要です。
A ventilator is needed.
A device that circulates fresh air or removes stale air from a room or building.
Most common term for a ventilation fan, such as in a kitchen or bathroom.
換気扇をつけてください。
Please turn on the ventilator fan.
General term for ventilation equipment, often used in technical or building contexts.
Literally 'ventilation machine', less common than 換気扇.
Using 換気扇 for a medical ventilator would be incorrect and potentially dangerous in a medical context. Always clarify whether you mean life support or air circulation.
この建物には換気装置が設置されている。
This building is equipped with a ventilation system.
通風機を回してください。
Please turn on the ventilator.