a stretcher case meaning in English

必须用担架抬的病人
可自已步行看门诊的轻病员

We have a stretcher case on board
我们飞机上有一个担架病号。
We have a stretcher case on board , request ambulance and doctor be ready on arrival
我们飞机上有病人，请求救护车和医生在我们到达时准备好。
Rescue boat embarkation and recovery arrangements shall allow for safe and efficient handling of a stretcher case
2交通出版社出版的中英文对照2001综合文本将上述翻译为：救助艇登乘和回收装置应允许安全而有效地搬运担架病人。