Title:
透析用カセット及びそのポンプ
Document Type and Number:
Japanese Patent JP7394672
Kind Code:
B2
Abstract:
To provide a dialysis cassette whose manufacturing cost can be reduced by decreasing the number of components and the number of assembly man-hours, and a pump thereof.SOLUTION: A diaphragm pump 12 of a dialysis cassette 10 comprises a pump body 20 comprising a concave pump chamber 32, a pump diaphragm 24 covering the pump chamber 32, a pump lid 28 comprising a pressing part 52 for pressing a peripheral edge part of the pump diaphragm 24, a first seal part 42 for liquid-tightly sealing a space on a lower side of the pump diaphragm 24 in the pump chamber 32 by being in contact with the pump diaphragm 24, and a second seal part 62 comprising an annular protrusion part 44 protruding from the pump body 20 toward the pump lid 28, and an annular rib structure 60 protruding from the pump lid 28, and air-tightly fitted to the annular protrusion part 44.SELECTED DRAWING: Figure 7
Inventors:
Ryota Kurimoto
Application Number:
JP2020048531A
Publication Date:
December 08, 2023
Filing Date:
March 19, 2020
Export Citation:
Assignee:
Terumo Corporation
International Classes:
A61M1/28
Domestic Patent References:
| JP2016182254A | ||||
| JP2019501772A | ||||
| JP6039001U |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Tosuke Sekiguchi
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Tosuke Sekiguchi