| 摘要 |
<p num="1"><br/><br/><br/>An introducer sheath has an inner fluorocarbon liner, a reinforcing member <br/>disposed radially outwardly from the liner, and a polymeric intermediate layer <br/>positioned longitudinally over the reinforcing member and inner liner. A heat <br/>shrink layer formed of a block copolymer having cross-linked and non-cross-<br/>linked functional groups comprises an outer layer of the sheath. During <br/>formation of the introducer sheath, the intermediate layer is melted and <br/>compressed in the heat shrink layer in a manner such that the inner surface of <br/>the intermediate layer bonds to the outer surface of the inner liner through <br/>spacings of the reinforcing member, and the outer surface of the intermediate <br/>layer bonds with non-cross-linked active functional groups of the heat shrink <br/>layer.<br/>
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