| 摘要 |
FIELD: prosthesis techniques. ^ SUBSTANCE: invention, in particular, relates to cardiovascular surgery involving use of artificial mitral valves and also can be utilized in manufacture of implants of other organs in orthopedics, stomatology, traumatic surgery, and the like, as well as in various technical fields. Material of invention contains boron, silicon, and isotropic pyrocarbon in specified proportions. ^ EFFECT: increased strength, hardness, and wear resistance. ^ 1 tbl, 3 ex |
