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Liquid supply device

A liquid supply and liquid technology, applied in the direction of devices introduced into the body, pressure infusion, etc., can solve the problem of restricted installation position of the vent hole, and achieve the effects of reducing liquid residue, easy assembly, and easy operation

Inactive Publication Date: 2004-02-11
AUBEX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the balloon is integrally in contact with the inner peripheral wall of the protective shell, the space in the cover in the balloon expansion direction will be blocked, limiting the expansion of the balloon above it, so the installation position of the vent hole must be located in the shell on the side of the balloon expansion direction. physically
That is, there is a disadvantage that the installation position of the vent hole is limited

Method used

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Examples

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Embodiment Construction

[0036] Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0037] This embodiment is an example of a medical solution injection device suitable for injecting a medical solution into a human body. figure 1 It is a perspective view, and Fig. 2 is a cross-sectional view. In these figures, 1 is a protective shell, which is composed of a cylinder 2 and a cover 5. The cylinder 2 is a bottomed cylinder made of transparent materials such as plastic or glass. The cover body 5 is a cover piece embedded in the opening of the cylinder body 2 made of polypropylene or other materials.

[0038] Aforesaid cylindrical body 2 inner circumferences are irregular cross-sectional shapes except circular, and here, the cross-sectional shape is an ellipse (see image 3 ) with bottom cylinder. And an engaging hole 3 is provided on the opening end side, and at the same time, a scale 4 is provided on one side along the long diameter side on the ou...

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PUM

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Abstract

The liquid supply device has elastic rubber film inside the casing, and on the cover of the protecting casing there is liquid inlet port for injetting liquid into the elastic rubber film and liquid outlet port for liquid inside the elastic rubber film to flow out and connected to pipe. Owing to the V-shaped arrangement of the liquid inlet port and the liquid outlet port at adjacent position on the protecting casing, the protecting casing is easy to store in bag for carrying about. Having liquid inlet port and liquid outlet port makes it possible to supply liquid continuously while injecting liquid into the elastic rubber film.

Description

technical field [0001] The present invention relates to a liquid supply device which continuously supplies liquid stored in a tubular rubber-like elastic membrane under the contraction force of the rubber-like elastic membrane. For example, it is used to continuously supply liquid medicine or infusion to organisms such as human body or animals, or to continuously supply water, nutrients (liquid), liquid medicine (insect repellent liquid) to plants, or to supply medicine liquid such as antibiotics, A liquid supply device that continuously supplies bait (liquid) or nutrient (liquid) for aquatic plants, etc. to fish tanks, etc. Background technique [0002] In the past, as a medical solution injection device that continuously injects a small amount of medical solution into the human body, a structure in which a medical solution inflow part and a medical solution outflow part are provided on the opposite side of the housing is known, such as in Japanese Patent Application Laid-O...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/142
Inventor 金井雅弘佐藤英哉
Owner AUBEX CORP