I gather it wasn't a SAR helicopter, but rather a company chopper. Hoisting equipment is one thing; but I suppose hoisting a casualty safely is pretty specialized work.
All the helo hoists I have ever worked involved standard, mil=spec Hueys (you can tell I am a geezer!) and they worked just fine. But not all choppers have hoists of any description. I'll bet any hoist has to meet fairly tough safety standards.