Title:
MULTILAYER COIL
Document Type and Number:
WIPO Patent Application WO/2022/158366
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide technology capable of improving the flexibility of a multilayer coil that comprises an inside coil layer and an outside coil layer. A multilayer coil 1 comprises an inside coil layer 110 formed by winding a wire 110w in a helical shape, and an outside coil layer 210 formed by winding a wire 210w in a helical shape along the longitudinal direction of the inside coil layer 110 so as to cover the inside coil layer 110, and is such that the inside coil layer 110 and the outside coil layer 210 are separated in a partial area A1 of the longitudinal direction, and either the maximum outer diameter of the winding constituting the inside coil layer 110 in the partial area A1 is smaller than the maximum outer diameter of the winding constituting the inside coil layer 110 in another area B1 of the longitudinal direction that differs from the partial area A1, or the minimum inner diameter of the winding constituting the outside coil layer 210 in the partial area A1 is larger than the minimum inner diameter of the winding constituting the outside coil layer 210 in the other area B1.
Inventors:
SHIMOGAITO KOHEI (JP)
KIMURA KAZUYUKI (JP)
KIMURA KAZUYUKI (JP)
Application Number:
PCT/JP2022/000918
Publication Date:
July 28, 2022
Filing Date:
January 13, 2022
Export Citation:
Assignee:
ASAHI INTECC CO LTD (JP)
International Classes:
A61M25/00; A61M25/09
Foreign References:
| JP2014136047A | 2014-07-28 | |||
| JP2019528882A | 2019-10-17 | |||
| JP2011000199A | 2011-01-06 | |||
| JP2014100265A | 2014-06-05 | |||
| JP2009000337A | 2009-01-08 |
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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