Protractor Rings, Cardiac Valve Prosthesis
Definition : Circular devices used to facilitate the partitioning of a prosthetic cardiac valve sewing ring. These devices are not commercially available and were custom made by the authors of the referenced study: see Health Devices Alerts. Implants Accession No. M2282 dated April 10, 1992.
Entry Terms : "Rings"
UMDC code : 17932