Title:
LIQUID INJECTION APPARATUS
Document Type and Number:
Japanese Patent JP2002239000
Kind Code:
A
Abstract:
To provide a liquid injection apparatus embedded in a human body to be used with which the remaining amount of a liquid to be injected into the body such as chemicals can be correctly measured to prevent shortage of the liquid.
The apparatus has a main body 2 capable of being embedded into the body and consisting of a highly rigid air-tight container, a liquid tank 3 provided in the main body and made of a soft material, a pump 7 for injecting the liquid stored in the tank into the human body, pressure sensors 8 and 9 provided in the main body, and a liquid remaining amount detecting section 5 for determining the remaining amount of the liquid in the tank on the basis of a pressure value detected by the pressure sensors.
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Inventors:
KONISHI YOSHIAKI
Application Number:
JP2001046178A
Publication Date:
August 27, 2002
Filing Date:
February 22, 2001
Export Citation:
Assignee:
NIKKISO CO LTD
International Classes:
A61M37/00; A61M1/36; (IPC1-7): A61M1/36; A61M37/00
Domestic Patent References:
JPH06312024A | 1994-11-08 | |||
JPS5784062A | 1982-05-26 | |||
JPH07255843A | 1995-10-09 | |||
JPH0357457A | 1991-03-12 |
Foreign References:
WO2000074751A1 | 2000-12-14 | |||
US4486190A | 1984-12-04 |
Attorney, Agent or Firm:
Sadao Enjoji (1 person outside)
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