Title:
BALLOON CATHETER AND BALLOON
Document Type and Number:
WIPO Patent Application WO/2011/118366
Kind Code:
A1
Abstract:
A balloon catheter and a balloon having improved operability in addition to improved pressure resistance.
A balloon catheter (10) comprises: a flexible tubular body (12) through which a drive fluid can be transferred; a balloon innermost layer (112) connected to the front end of the tubular body so as to communicate therewith and capable of being inflated and deflated by the introduction and discharge of the drive fluid; and one or more balloon outer layers (110) provided with a first tapered section (113) which has a diameter reduced toward the front end of the tubular body in the axial direction thereof and also with a second tapered section (115) which has a diameter reduced toward the base end of the tubular body in the axial direction thereof, the balloon outer layers (110) being capable of being inflated and deflated by the inflation and deflation of the balloon innermost layer, the balloon outer layers (110) covering the balloon innermost layer. At least one of the balloon outer layers is provided with a weak section (117) which reduces the rigidity of at least the first tapered section out of the first and second tapered sections.
Inventors:
SHIMIZU KATSUHIKO (JP)
KAKIMOTO TAKUYA (JP)
MOURI NAOTO (JP)
KAKIMOTO TAKUYA (JP)
MOURI NAOTO (JP)
Application Number:
PCT/JP2011/055103
Publication Date:
September 29, 2011
Filing Date:
March 04, 2011
Export Citation:
Assignee:
TERUMO CORP (JP)
SHIMIZU KATSUHIKO (JP)
KAKIMOTO TAKUYA (JP)
MOURI NAOTO (JP)
SHIMIZU KATSUHIKO (JP)
KAKIMOTO TAKUYA (JP)
MOURI NAOTO (JP)
International Classes:
A61M25/00
Foreign References:
| JPH1024098A | 1998-01-27 | |||
| JP2008529740A | 2008-08-07 |
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)
Hatta international patent business corporation (JP)
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Claims: