Table I.

This table shows some of the commonly used stems for primary and revision total hip arthroplasty.

Manufacturer	Femoral stems with rectangular/oval neck design	Femoral stems with cylindrical neck design
	Primary total hip arthroplasty stems
Zimmer-Biomet	ML taper, Taperloc, Taperloc Microplasty, Wagner cone, Avenir complete	Avenir legacy
Stryker		Accolade, Accolade 2, Exeter, Anato, Securefit
Smith & Nephew	Anthology, CPCS, Echelon	SL plus, Synergy
Depuy-Johnson & Johnson	Corail, Actis, Summit, Tri-lock
	Revision total hip arthroplasty stems
Zimmer-Biomet	Arcos	Wagner, ZMR
Stryker		Restoration modular
Smith & Nephew		Echelon
Depuy-Johnson & Johnson	Corail, Reclaim