Title:
TRANSFUSION DEVICE AND LIQUID SUPPLY TUBE
Document Type and Number:
WIPO Patent Application WO/1999/011309
Kind Code:
A1
Abstract:
A transfusion device, which eliminates a structural complexity involved in conventional transfusion devices and is of a simple construction and capable of supplying a chemical of a very small quantity with high accuracy, thus realizing a portable transfusion pump, comprising a cylindrical-shaped rotating drive body (24) having a rotating shaft portion (23) and disposed in a position facing a support plate (22), and a liquid supply tube (16) disposed between the support plate (22) and the rotating drive body (24). A pressing projection (24a) extending spirally about an axis of the shaft portion is formed integrally on an outer peripheral surface of the rotating drive body (24). A flexible sheet (25) is interposed between the rotating drive body (24) and the liquid supply tube (16). The sheet (25) is fixed at its upper and lower ends directly or indirectly to a base plate (10) and the support plate (22).
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Inventors:
KURIYAMA HIROSHI (JP)
Application Number:
PCT/JP1998/003914
Publication Date:
March 11, 1999
Filing Date:
August 31, 1998
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
KURIYAMA HIROSHI (JP)
KURIYAMA HIROSHI (JP)
International Classes:
A61M5/142; F04B43/08; (IPC1-7): A61M5/142; F04B43/12
Foreign References:
| JPH0648675U | 1994-07-05 | |||
| JPS6155393B2 | 1986-11-27 | |||
| JPS62191681A | 1987-08-22 | |||
| JPS63209662A | 1988-08-31 | |||
| JPH07509168A | 1995-10-12 |
Attorney, Agent or Firm:
Suzuki, Kisaburo (Owa 3-chome Suwa-shi Nagano-ken, JP)
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