Kelly forceps are a type of hemostat usually made of stainless steel. Doctor Masterson was able to clamp the artery with a hemostat from his medical bag. Microfibrillar collagen hemostat (MCH) is a topical agent composed of resorbable microfibrillar collagen. More recent advances have led to the introduction of a bone hemostat in putty format. The hemostat has handles that can be held in place by their locking mechanism.