Title:
蠕動ポンプ用バックラッシュ制御を備えたダイナミックブレーキ
Document Type and Number:
Japanese Patent JP4422489
Kind Code:
B2
Abstract:
The present invention involves a dynamic brake for use in a peristaltic (i.e., roller) pump. The dynamic brake avoids backlash, due to counter rotation. In addition, it does not preclude the option of hand operating the roller pump. This is achieved by initiating the braking operation after the roller pump set-point has been set to zero and only after the roller pump has decelerated below a predefined speed (e.g., 20 rpm). In addition, the braking operation is activated for only a very brief period of time (i.e., a period of time required for the pressure in the roller pump fluid conduit to subside).
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Inventors:
Lucke, Lori Yi
Danielson, David
Griewski, Richard A
Danielson, David
Griewski, Richard A
Application Number:
JP2003571600A
Publication Date:
February 24, 2010
Filing Date:
February 04, 2003
Export Citation:
Assignee:
Terumo Cardiovascular Systems Corporation
International Classes:
F04B43/12; F04B49/06; A61M1/00; A61M1/10; A61M1/32; A61M1/36; F04B43/00; G16H20/17; G16H20/40; G16Z99/00; H02P3/06
Domestic Patent References:
| JP56022995U | ||||
| JP10160730A | ||||
| JP9508705A |
Attorney, Agent or Firm:
Takehiko Suzue
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Tetsuya Kazama
Katsumura Hiro
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Tetsuya Kazama
Katsumura Hiro