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Patent Searching and Data


Title:
FLUSH DEVICE AND IRRIGATION LINE
Document Type and Number:
WIPO Patent Application WO/2019/092979
Kind Code:
A1
Abstract:
This flush device is provided with: a first housing provided with a first flow path having a central axis; a second housing that is is connected to the first housing and provided with a second flow path extending along the central axis; a flow rate adjustment device having a base part positioned between the first and second flow paths, a protrusion part extending along the central axis from the proximal end side to the distal end side, and a through hole that extends along the central axis spanning the base part and the protrusion part and allows fluid communication between the base part and the protrusion part; and an elastic member that is provided around the base part of the flow rate adjustment device and provides a seal between the first and second flow paths. The elastic member deforms to allow further fluid communication between the first and second flow paths. The protrusion part is provided with a joint protrusion on the outer peripheral surface thereof. A joint receiving portion, whereinto the joint protrusion fits, is provided on an inner peripheral surface defining the first flow path of the first housing. The above structure makes it possible to discharge a drug solution at a flow rate close to a stipulated rate.

Inventors:
MATSUMOTO YASUSHI (JP)
MATSUMOTO KUNIAKI (JP)
Application Number:
PCT/JP2018/033625
Publication Date:
May 16, 2019
Filing Date:
September 11, 2018
Export Citation:
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Assignee:
NIPRO CORP (JP)
International Classes:
A61M39/22; A61B5/0215; A61B5/03; A61M5/168
Domestic Patent References:
WO2007083599A12007-07-26
Foreign References:
JPS55500411A1980-07-10
US5820565A1998-10-13
JPH027936A1990-01-11
US5820565A1998-10-13
Other References:
See also references of EP 3708217A4
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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