POROUS NICKEL-TITANIUM ALLOY ARTICLE

摘要

A porous article of a nickel-titanium alloy, said article having a porosity of 8 to 90 % and said porosity being defined by a network of interconnected passageways extending throughout said member, said network exhibiting a permeability of fluid material effective to permit complete migration of the fluid material throughout said network, and said member being elastically deformable; the porous article is useful as a biomedical implant and in other non-medical applications including the working element of cryogenic surgical instruments.