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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:
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Assignee:
NIKKISO CO LTD
International Classes:
A61M37/00; A61M1/36; (IPC1-7): A61M1/36; A61M37/00
Domestic Patent References:
JPH06312024A1994-11-08
JPS5784062A1982-05-26
JPH07255843A1995-10-09
JPH0357457A1991-03-12
Foreign References:
WO2000074751A12000-12-14
US4486190A1984-12-04
Attorney, Agent or Firm:
Sadao Enjoji (1 person outside)