Invention Grant
US07695466B2 Stylet free flexible-tip epidural catheter and method of making 失效
无针管柔性尖端硬膜外导管及其制作方法

  • Patent Title: Stylet free flexible-tip epidural catheter and method of making
  • Patent Title (中): 无针管柔性尖端硬膜外导管及其制作方法
  • Application No.: US11487594
    Application Date: 2006-07-14
  • Publication No.: US07695466B2
    Publication Date: 2010-04-13
  • Inventor: Robert F. Beisel
  • Applicant: Robert F. Beisel
  • Agent Charles A. Wilkinson; Clinton H. Wilkinson
  • Main IPC: A61M25/00
  • IPC: A61M25/00 A61M29/00 B32B37/00
Stylet free flexible-tip epidural catheter and method of making
Abstract:
The distal end of a flexible tip epidural catheter is stiffened by the insertion of a stress oriented plastic tubular section into the end of the interior of the catheter removed from a terminal flexible tip and then expanded into contact with the wall of the interior of the catheter interior to stiffen a section approximately the length of an epidural needle in which it is to be used.
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