English to Russian Medical Medical (general)

Silicone Foley Catheter
...
Before use, visually inspect the catheter to detect mechanical damages and check that no leakage occurs.
 Place male patients in supine position, female patients in lithotomy position.
 Wash and dry hands thoroughly.
 Using aseptic technique, remove the catheter from its pouch and place it on a sterile field.
 Put on sterile gloves and remove the catheter sleeve.

sleeve - штуцер? манжета?
Спасибо.