Title:
液状薬剤送達用マイクロポンプ
Document Type and Number:
Japanese Patent JP2007509647
Kind Code:
A
Abstract:
A pump system for the subcutaneous delivery of liquid medicament, having a pump module (10) comprising a stator housing (28) with a chamber (32), a rotor (30) rotatably and axially slidably received in the chamber and comprising a first axial extension (46) with a liquid supply channel (50) and a second axial extension with a liquid supply channel (52), the first and second axial extensions having different diameters, and first and second sealing rings (54,56), mounted around the first and second axial extensions at an oblique angle therewith allowing opening and closing the supply channels (50,52) at determined angular rotor positions.
Inventors:
Rizere Peter
Strashler Sigfried
Ilbert joseph
Strashler Sigfried
Ilbert joseph
Application Number:
JP2006536198A
Publication Date:
April 19, 2007
Filing Date:
October 15, 2004
Export Citation:
Assignee:
Ecole Polytechnic Federal de Lausanne (EPF)
International Classes:
A61M5/142; A61M1/36; A61M5/14; F04B7/06; F04B13/00; F04B19/00; F04B41/02
Domestic Patent References:
| JPH03168384A | 1991-07-22 | |||
| JPH10274174A | 1998-10-13 | |||
| JP2003090294A | 2003-03-28 | |||
| JPH03168384A | 1991-07-22 | |||
| JPH10274174A | 1998-10-13 | |||
| JP2003090294A | 2003-03-28 |
Foreign References:
| US4883467A | 1989-11-28 | |||
| US4964533A | 1990-10-23 | |||
| US4152098A | 1979-05-01 | |||
| US4883467A | 1989-11-28 | |||
| US4964533A | 1990-10-23 | |||
| US4152098A | 1979-05-01 |
Attorney, Agent or Firm:
Nobuyuki Matsubara
Kiyoji Muraki
Kenichi Nakayama
Hashimoto Chikako
Sayaka Matsushima
High Iku child
Terashima Masami
Kiyoji Muraki
Kenichi Nakayama
Hashimoto Chikako
Sayaka Matsushima
High Iku child
Terashima Masami