calcific deposit造句

Under local anesthetic, the calcific deposits can be mechanically broken up by puncturing them repeatedly with a needle and then aspirating the calcific material with the help of a sluice of saline.
Xenogeneic heart valves are of special importance for this area of study as they demonstrate a limited durability mainly due to the fatigue of the tissue and the calcific deposits ( see Aortic valve replacement ).
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