Title:
MEDICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/162086
Kind Code:
A1
Abstract:
This medical device is characterized by being provided with: a gas pressure actuator; a first flow path; a second flow path; a first closing valve provided to the first flow path; a second closing valve provided to the second flow path; a first exhaust valve that controls the exhaust of a gas to the outside of the first flow path, and the shutoff of such exhaust; a second exhaust valve that controls the exhaust of the gas to the outside of the second flow path, and the shutoff of such exhaust; and a throttle valve capable of changing the flow path cross-sectional area of the gas released from the first exhaust valve and the second exhaust valve.
Inventors:
TANAKA YASUSHI (JP)
YAMAMOTO NOBUAKI (JP)
YAMAMOTO NOBUAKI (JP)
Application Number:
PCT/JP2020/000178
Publication Date:
August 13, 2020
Filing Date:
January 07, 2020
Export Citation:
Assignee:
RIVERFIELD INC (JP)
International Classes:
F15B11/06; A61B17/29; F15B11/044
Foreign References:
| JPH04357307A | 1992-12-10 | |||
| JPH11166509A | 1999-06-22 | |||
| JPS60121506U | 1985-08-16 | |||
| US6050172A | 2000-04-18 | |||
| JPS56168603U | 1981-12-12 | |||
| JPH0532805U | 1993-04-30 | |||
| JPS54113998U | 1979-08-10 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
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