| 摘要 |
<p>A medical instrument (1), such as oxygenators and cardiotomy reservoirs, comprising a blood-contact surface formed of a hydrophobic material has a nontoxic, biocompatible surface active defoaming agent durably deposited onto said blood-contact surface, wherein said surface active defoaming agent is a primary alkoxylated alcohol, such as block copolymer of propylene oxide and ethylene oxide, and has a blood defoaming screen test blood foam filter bypass grade of 2 or less. <IMAGE></p> |
