Bone fixed in hospital usually (5)
I believe the answer is:
talus
'bone' is the definition.
(I know that talus is a type of bone)
'in hospital usually' is the wordplay.
'in' indicates a hidden word.
'TALUS' is hidden in the letters of 'hospital usually'.
'fixed' is the link.
I am not very happy about this link. It may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for talus that I've seen before include "Ankle bone" , "Foot's part" , "Yarns" , "Ankle-bone" .)