Title:
FLEXIBLE TUBE FOR ENDOSCOPE, ENDOSCOPIC MEDICAL DEVICE, AND MATERIAL FOR COATING FLEXIBLE TUBE BASE MATERIAL FOR ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2022/004658
Kind Code:
A1
Abstract:
This flexible tube for an endoscope has: a tubular flexible base material having flexibility; and a coating layer on the flexible base material. The coating layer contains: (a) at least one of (a1) a polyester resin having a naphthalene structure and (a2) a polyester elastomer having a naphthalene structure; and (b) at least one of (b1) a thermoplastic resin without a naphthalene structure and (b2) a thermoplastic elastomer without a naphthalene structure. The proportion of the component (a) in the total of the components (a) and (b) in the coating layer is more than 50% by mass and less than 90% by mass. This endoscopic medical device has the flexible tube for an endoscope. This material for coating flexible tube base material is for the endoscope.
Inventors:
FURUKAWA KAZUSHI (JP)
NAKAI YOSHIHIRO (JP)
NAKAI YOSHIHIRO (JP)
Application Number:
PCT/JP2021/024362
Publication Date:
January 06, 2022
Filing Date:
June 28, 2021
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
A61B1/005; C08L67/02; G02B23/24
Domestic Patent References:
| WO2019189035A1 | 2019-10-03 | |||
| WO2019151135A1 | 2019-08-08 |
Foreign References:
| JP2009183467A | 2009-08-20 | |||
| JP2004141487A | 2004-05-20 | |||
| JP2015066216A | 2015-04-13 | |||
| JP2004141487A | 2004-05-20 | |||
| JP2009183467A | 2009-08-20 | |||
| JP2015016261A | 2015-01-29 | |||
| JP2020111756A | 2020-07-27 |
Other References:
See also references of EP 4173548A4
Attorney, Agent or Firm:
IIDA & PARTNERS et al. (JP)
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