Title:
FLOW PATH SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/070028
Kind Code:
A1
Abstract:
This flow path switching device comprises a main unit 100 including: an outer cylinder part 101 that has four port parts 111 provided at equal intervals along the outer periphery of the outer cylinder part 101; and a plug part 102 accommodated slidably and rotatably in the outer cylinder part 101, the plug part 102 having two arc-shaped tunnel-form flow paths 121 that connect two adjacent opening parts 102a from among four opening parts 102a provided at equal intervals along the side surface of the plug part 102. The plug part 102 is capable of rotating between: a first position in which one flow path 121 connects together two adjacent port parts 111 from among the four port parts 111, and the other flow path 121 connects together the two remaining port parts 111; and a second position in which each of the flow paths 121 connects together two adjacent port parts 111 that are not connected in the first position.
Inventors:
NAKAGAMI HIROYUKI (JP)
KAWABE MINAMI (JP)
MORITA TOMOE (JP)
KAMEI KAZUNARI (JP)
KAWABE MINAMI (JP)
MORITA TOMOE (JP)
KAMEI KAZUNARI (JP)
Application Number:
PCT/JP2018/037219
Publication Date:
April 11, 2019
Filing Date:
October 04, 2018
Export Citation:
Assignee:
NIPRO CORP (JP)
International Classes:
A61M1/36
Foreign References:
| JPS61282676A | 1986-12-12 | |||
| JPH04138136A | 1992-05-12 | |||
| JPH0361774A | 1991-03-18 | |||
| JPH08141072A | 1996-06-04 | |||
| JP2017046991A | 2017-03-09 | |||
| JP2005525129A | 2005-08-25 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Download PDF: