Title:
往復動ポンプ及びそれを具備した透析装置
Document Type and Number:
Japanese Patent JP5399217
Kind Code:
B2
Abstract:
One object of the present invention is to provide a reciprocation pump which can prevent a liquid to be supplied to an objective apparatus and a waste liquid to be discharged from the objective apparatus from being leaked to the outside of the reciprocation pump as well as a dialysis apparatus equipped with the reciprocation pump. According to the present invention, there is provided a reciprocation pump characterized in that it comprises a supply liquid-side sub-pumping chamber arranged adjacent to the supply liquid-side pumping chamber at the external side thereof; a waste liquid-side sub-pumping chamber arranged adjacent to the waste liquid-side pumping chamber at the external side thereof; a rod extending through the supply liquid-side sub-pumping chamber, the supply liquid-side pumping chamber, the waste liquid-side pumping chamber and the waste liquid-side sub-pumping chamber and being connected to the reciprocation means and the driving source to transmit a driving force of the driving source to the reciprocation means; and sealing means arranged respectively in walls through which the rod extends for partitioning the supply liquid-side pumping chamber and the supply liquid-side sub-pumping chamber as well as the waste liquid-side pumping chamber and the waste liquid-side sub-pumping chamber.
Inventors:
Hiroaki Suzuki
Application Number:
JP2009266395A
Publication Date:
January 29, 2014
Filing Date:
November 24, 2009
Export Citation:
Assignee:
Nikkiso Co., Ltd.
International Classes:
F04B3/00; A61M1/14; F04B53/02
Attorney, Agent or Firm:
Takao Koshikawa