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1. 发明授权

EP1909878B1 IMPROVED STYLET FREE FLEXIBLE-TIP EPIDURAL CATHETER AND METHOD OF MAKING 有权
标题翻译：改进脊柱LOSER硬膜外导管柔性末端和方法
公开(公告)号：EP1909878B1
公开(公告)日：2010-05-05
申请号：EP06787378.6
申请日：2006-07-14
申请人： Beisel, Robert F.
发明人： Beisel, Robert F.
IPC分类号： A61M25/00 , B29C61/04 , B29C61/08 , B29C63/46
CPC分类号： A61M25/001 , A61M2025/0007 , A61M2025/0081 , B29C61/04 , B29C61/08 , B29C63/46 , B29L2031/7542
摘要： 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.

2. 发明授权

EP0989876B1 CATHETER REINFORCED TO PREVENT LUMINAL COLLAPSE AND TENSILE FAILURE 失效
标题翻译：加强导管以防止管腔塌陷和一个ZUGBRUCHS
公开(公告)号：EP0989876B1
公开(公告)日：2006-05-03
申请号：EP98930441.5
申请日：1998-06-22
申请人： Beisel, Robert F.
发明人： Beisel, Robert F.
IPC分类号： A61M25/00
CPC分类号： A61M25/005 , A61M25/0045 , A61M25/0053
摘要： A catheter reinforced to prevent luminal collapse and tensile failure thereof, comprising an elongated tubular member having a proximal end, a distal end and a longitudinal extent, the elongated tubular member defining at least one lumen therethrough for enabling fluid flow between the proximal end and at least one opening defined in at least one of the distal end and the elongated tubular member proximal to the distal end thereof; the elongated tubular member including an outer tubular cover and at least one helical reinforcing member for reinforcing the outer tubular cover to prevent radial collapse of the outer tubular cover during bending and pinching of the elongated tubular member and to prevent longitudinal breakage of the outer tubular cover under tension, the at least one helical reinforcing member having an unwound length and a wound length, said at least one helical reinforcing member being wound arround the longitudinal axis of said elongated tubular member with a length ratio LR less than one (1) plus the approximate ultimate strain of said outer tubular cover where LR equals the unwound length of said at least one helical reinforcing member relative to said wound length of said at least one helical reinforcing member.

3. 发明公开

EP1909878A2 IMPROVED STYLET FREE FLEXIBLE-TIP EPIDURAL CATHETER AND METHOD OF MAKING 有权
标题翻译：改进脊柱LOSER硬膜外导管柔性末端和方法
公开(公告)号：EP1909878A2
公开(公告)日：2008-04-16
申请号：EP06787378.6
申请日：2006-07-14
申请人： Beisel, Robert F.
发明人： Beisel, Robert F.
IPC分类号： A61M25/00 , B29C61/04 , B29C61/08 , B29C63/46
CPC分类号： A61M25/001 , A61M2025/0007 , A61M2025/0081 , B29C61/04 , B29C61/08 , B29C63/46 , B29L2031/7542
摘要： 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.

4. 发明公开

EP0989876A1 CATHETER REINFORCED TO PREVENT LUMINAL COLLAPSE AND TENSILE FAILURE 失效
标题翻译：加强导管以防止管腔塌陷和一个ZUGBRUCHS
公开(公告)号：EP0989876A1
公开(公告)日：2000-04-05
申请号：EP98930441.5
申请日：1998-06-22
申请人： Beisel, Robert F.
发明人： Beisel, Robert F.
IPC分类号： A61M25/00
CPC分类号： A61M25/005 , A61M25/0045 , A61M25/0053
摘要： A catheter reinforced to prevent luminal collapse and tensile failure thereof, comprising an elongated tubular member having a proximal end, a distal end and a longitudinal extent, the elongated tubular member defining at least one lumen therethrough for enabling fluid flow between the proximal end and at least one opening defined in at least one of the distal end and the elongated tubular member proximal to the distal end thereof; the elongated tubular member including an outer tubular cover and at least one helical reinforcing member for reinforcing the outer tubular cover to prevent radial collapse of the outer tubular cover during bending and pinching of the elongated tubular member and to prevent longitudinal breakage of the outer tubular cover under tension, the at least one helical reinforcing member having an unwound length and a wound length, said at least one helical reinforcing member being wound arround the longitudinal axis of said elongated tubular member with a length ratio LR less than one (1) plus the approximate ultimate strain of said outer tubular cover where LR equals the unwound length of said at least one helical reinforcing member relative to said wound length of said at least one helical reinforcing member.

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