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    • 7. 发明授权
    • Catheter with removable balloon protector
    • US6132450A
    • 2000-10-17
    • US211376
    • 1998-12-14
    • Scott M. HansonRichard J. TraxlerLouis G. EllisLinda Lorentzen CorneliusThomas J. HolmanGregory K. Olson
    • Scott M. HansonRichard J. TraxlerLouis G. EllisLinda Lorentzen CorneliusThomas J. HolmanGregory K. Olson
    • A61F2/06A61F2/84A61M29/02A61M29/00
    • A61M25/104A61F2/0095A61F2/958A61M2025/1081
    • A balloon catheter is provided having an expandable distal portion and balloon protector means comprising a first removable sleeve having a variable inner diameter to ease sliding the first sleeve over the balloon, and an optional second removable (outer) sleeve positioned over the inner sleeve, the second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, said first and second sleeves being removed prior to use of the catheter. A stent delivery system is provided to facilitate introduction and placement of a stent, and includes a catheter having an expandable distal portion constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state, said distal portion further comprising a balloon and at least one dam over which the balloon extends, and a stent positioned around the distal portion of the catheter around the balloon or gripper linear control device, said stent having a contracted condition, being sized in the contracted condition to closely surround the balloon in the contracted state, and being expandable to an expanded condition; a first removable (inner) sleeve in the region of the distal portion of the catheter positioned around the stent (and between the dams where the device comprises two dams), said first sleeve comprising a first end, a second end and a variable inner diameter to ease sliding the sleeve over the balloon and stent; an optional second removable (outer) sleeve positioned over the stent, first sleeve and at least one dam, said second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, whereby when compressed by the outer sleeve, the inner sleeve will have an inner diameter approximately equal to or less than the outer profile of the collapsed balloon over the at least one dam, said first and second sleeves being removed prior to use of the stent delivery system and release of the stent by expansion of the balloon.
    • 10. 发明授权
    • Multi-cord fusing manufacturing process for catheter members
    • 导管构件的多线熔接制造工艺
    • US06258195B1
    • 2001-07-10
    • US09272510
    • 1999-03-19
    • Thomas J. HolmanGregory K. OlsonPhilip J. Ebeling
    • Thomas J. HolmanGregory K. OlsonPhilip J. Ebeling
    • B32B3100
    • A61M25/0012A61M25/005B29C70/50B29C70/523B29L2031/7542
    • Medical tubing having a wall formed of multiple strands bonded together. One method for making the tubing utilizes multiple spools containing polymeric strands disposed about a central mandrel, with the strands aligned with and disposed evenly about the mandrel, with both mandrel and strands entering a die or other bonding device. Adjacent strands are bonded together to form a tube wall, the tube preferably having at least one lumen therethrough. Adjacent strands are lightly bonded in some embodiments and highly bonded in others. Bonding can be accomplished using heat, solvent welding, or adhesive. The strands making up the tube wall can be formed of materials differing between strands. One use of the tubing is for constructing angioplasty catheters.
    • 具有由多根股线结合在一起形成的壁的医用管。 用于制造管道的一种方法是利用多个线轴,其包含围绕中心心轴设置的聚合物股线,其中股线与心轴对准并且均匀地围绕心轴布置,心轴和股线都进入模具或其它结合装置。 相邻的股线结合在一起以形成管壁,该管优选地具有通过其中的至少一个内腔。 在一些实施方案中相邻的链是轻度键合的,并且在其它实施方案中高度结合。 可以使用热,溶剂焊接或粘合剂来实现粘合。 构成管壁的线可由不同股线之间的材料形成。 管的一种用途是用于构建血管成形术导管。