Title:
BALLOON CATHETER, PRODUCTION METHOD FOR BALLOON CATHETER, AND TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2017/164280
Kind Code:
A1
Abstract:
Provided are: a balloon catheter that can effectively deliver a drug to biological tissue; a production method for the balloon catheter; and a treatment method. A balloon catheter 10 that has a balloon 12 at a tip part of a catheter shaft 11. A plurality of long bodies 33 that are independent crystals of a water-insoluble drug and that extend along the long axes thereof are provided to the surface of the balloon 12. When deflated, the balloon 12 has a plurality of circumferential direction blade parts 40 and a circumferential surface part 41 that follows the circumferential direction of the catheter shaft 11. The blade parts 40 are folded up in the circumferential direction of the balloon 12. A surface of the circumferential surface part 41 that faces the folded-up blade parts 40 has a region in which tip parts of the long bodies 33 do not contact the surface of the balloon 12 and do not contact other long bodies 33. A surface of the folded-up blade parts 40 that faces the outer circumferential side has a region in which the tip parts of the long bodies 33 contact the surface of the balloon 12 or contact other long bodies 33.
More Like This:
| JP2023135925 | CATHETER |
| JP2017159094 | RECTUM ANASTOMOSIS PROTECTION APPARATUS |
| WO/1994/012234 | VIBRATORY ELEMENT FOR CROSSING STENOSES |
Inventors:
GOTO HIROSHI (JP)
MORIMOTO KATSUMI (JP)
KUROSAKI YASUO (JP)
MORIMOTO KATSUMI (JP)
KUROSAKI YASUO (JP)
Application Number:
PCT/JP2017/011633
Publication Date:
September 28, 2017
Filing Date:
March 23, 2017
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
A61M25/10; A61K31/337; A61K31/436; A61L29/16; A61P9/00
Domestic Patent References:
| WO2014163092A1 | 2014-10-09 | |||
| WO2015151876A1 | 2015-10-08 |
Foreign References:
| US20140271775A1 | 2014-09-18 | |||
| JP2012502690A | 2012-02-02 | |||
| JP2015042280A | 2015-03-05 | |||
| JP2014200312A | 2014-10-27 | |||
| US20140271775A1 | 2014-09-18 |
Other References:
See also references of EP 3406293A4
Attorney, Agent or Firm:
YAMADA, Makito (JP)
Download PDF: