assist (one) at

assist (one) at

To help another person with something, usually in a medical setting. Who is going to assist me at the laparotomy this morning?
See also: assist
Farlex Dictionary of Idioms.

assist (someone) at something

to serve as a helper or assistant in some procedure. (This usually refers to a surgical procedure.) Will you assist at surgery this morning? I would be happy to assist you at the procedure.
See also: assist
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • assist at
  • assist
  • assist in
  • assist with
  • cater
  • cater to
  • cater to (someone or something)
  • help a lame dog over a stile
  • helping
  • lame