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Patent Searching and Data


Title:
BALLOON CATHETER
Document Type and Number:
WIPO Patent Application WO/2015/072300
Kind Code:
A1
Abstract:
The present invention is a balloon catheter provided with a leading end shaft (10) obtained from a resin tube, a back end shaft (20) obtained from a metal tube, a balloon (30), an inner tube (40), and a core wire (50). The core wire (50), which is obtained from a straight section (51) and a tapered section (52), is fastened to the inner circumferential surface of the back end shaft (20) at the back end of the straight section (51) and is inserted between the inner circumferential surface of the leading end shaft (10) and the outer circumferential surface of the inner tube (40) on the leading end of the straight section (51). The balloon catheter having said configuration has excellent pushability when inserted into a blood vessel and is able to reliably prevent kinking at the back end portion of the leading end shaft while also being capable of being inserted smoothly even in curved blood vessels.

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Inventors:
OKAWA, Yasuhiro (Ltd. 2-20 Higashishinagawa 2-chome, Shinagawa-k, Tokyo 02, 〒1400002, JP)
Application Number:
JP2014/078178
Publication Date:
May 21, 2015
Filing Date:
October 23, 2014
Export Citation:
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Assignee:
JAPAN LIFELINE CO., LTD. (2-20, Higashishinagawa 2-chome Shinagawa-k, Tokyo 02, 〒1400002, JP)
International Classes:
A61M25/10
Domestic Patent References:
WO2013140669A12013-09-26
Foreign References:
JP2012020077A2012-02-02
JP2002204832A2002-07-23
JP2012011262A2012-01-19
JP2005246084A2005-09-15
Attorney, Agent or Firm:
AICHI, Hiroshi (Nishimura Building, 10-19 Kanda Ogawa-machi 3-Chome, Chiyoda-k, Tokyo 52, 〒1010052, JP)
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