发明名称 |
Method of balloon formation by cold drawing/necking |
摘要 |
A method for forming a balloon for a dilatation catheter involving the steps of extruding a segment of thermoplastic material, maintaining the center portion at a temperature below the glass transition of the thermoplastic material, drawing the segment to a predetermined length, wherein after the drawing the wall thickness of the center portion does not appreciably change, and expanding the segment in a mold to produce the balloon.
|
申请公布号 |
US6168748(B1) |
申请公布日期 |
2001.01.02 |
申请号 |
US19980152413 |
申请日期 |
1998.09.14 |
申请人 |
SCIMED LIFE SYSTEMS, INC. |
发明人 |
WANG LIXIAO;CHEN JIANHUA;LEE NAO;HORN DANIEL J. |
分类号 |
A61L29/06;A61L29/14;A61M25/00;B29C49/04;B29C49/42;B29C55/26;(IPC1-7):B29C49/08;A61M29/00 |
主分类号 |
A61L29/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|