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Title:
BIOLOGICAL TISSUE ADHESION SURFACE, IMPLANT, METHOD OF FORMING BIOLOGICAL TISSUE ADHESION SURFACE, AND METHOD OF MANUFACTURING IMPLANT
Document Type and Number:
WIPO Patent Application WO/2018/088389
Kind Code:
A1
Abstract:
A biological tissue adhesion surface (30) to be attached hermetically to biological tissue (H, S) comprises a biocompatible material, and includes multiple fingertip shaped microvillus bodies (41). The tip end diameter of the microvillus bodies (41) is of nanometer size. An implant (1) includes the biological tissue adhesion surface (30) on a surface (11, 24) that is to adhere to the biological tissue (H, S). In a method of forming the biological tissue adhesion surface (30), the surface of a biocompatible material is subjected to laser nonthermal processing, in which laser light is irradiated in air, to form multiple fingertip shaped microvillus bodies (41). The laser light is laser light from an extremely short pulsed laser.

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Inventors:
ISHIWATA TERUO (JP)
Application Number:
PCT/JP2017/040076
Publication Date:
May 17, 2018
Filing Date:
November 07, 2017
Export Citation:
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Assignee:
NANTOH CO LTD (JP)
International Classes:
A61C8/00
Foreign References:
JP2014124500A2014-07-07
US20010039454A12001-11-08
JP2007525280A2007-09-06
JP2011509098A2011-03-24
JP2010227551A2010-10-14
Other References:
SHINONAGA, TOGO: "Cell Spreading on titanium dioxide film formed and modified with aerosol beam and femtosecond laser", APPLIED SURFACE SCIENCE, vol. 288, 1 January 2014 (2014-01-01), pages 649 - 653, XP028780756
SHINONAGA, TOGO ET AL: "Creation of New Functional Biomaterials by Periodic Nanostructures Formation with Femtosecond Laser", JOURNAL OF THE JAPAN SOCIETY OF PRECISION ENGINEERING, vol. 81, no. 8, 5 August 2015 (2015-08-05), pages 726 - 730, XP055502941
See also references of EP 3539502A4
Attorney, Agent or Firm:
HORIUCHI Tadamasa (JP)
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