Title:
【発明の名称】搾乳に役立つダイアフラムポンプ及びキャリングケースに取付けられたポンプ
Document Type and Number:
Japanese Patent JPH11510081
Kind Code:
A
Abstract:
A pump comprises a flexible diaphragm, a rigid member, an air seal formed between said diaphragm and said rigid member, a puller member attached to said flexible diaphragm, a drive member connected to said puller member which drive member is adapted to draw said puller member along with said diaphragm away from said rigid member, thereby creating a space between said diaphragm and said rigid member and forming a pressure region within said space, a motor drive mechanism including said drive member to reciprocate said puller member to first draw said puller member away from said rigid member and then move said puller member back toward said rigid member, an outlet in communication with said space between said diaphragm and said rigid member, and a vacuum regulator device on said rigid member for adjusting the level of negative pressure within said pressure region when said diaphragm is moved away from said rigid member.
Inventors:
Silver Brian H
Arnis Larry Dee
Arnis Larry Dee
Application Number:
JP50846397A
Publication Date:
September 07, 1999
Filing Date:
July 25, 1996
Export Citation:
Assignee:
Medela Inc.
International Classes:
A61M1/06; F04B9/04; F04B43/00; F04B45/047; F04B49/22; A61M1/00; (IPC1-7): A61M1/06
Domestic Patent References:
| JPH0417829Y2 | 1992-04-21 | |||
| JPS4731201Y1 | 1972-09-19 | |||
| JPH06506998A | 1994-08-04 | |||
| JPS56127890U | 1981-09-29 | |||
| JPS61280867A | 1986-12-11 |
Foreign References:
| US4710165A | 1987-12-01 | |||
| US5295957A | 1994-03-22 |
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)