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Mini medicine releasing device

A release device, drug technology, applied in the direction of drug devices, other medical devices, etc.

Inactive Publication Date: 2008-12-03
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to: aim at the problems existing in the current drug release device, to provide a miniature drug release device with small volume, internal medicine, tight seal, easy swallowing, safe use, accurate control, and fast release of drug at fixed points

Method used

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Examples

Experimental program
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Embodiment Construction

[0020] A miniature drug release device system, consisting of a miniature drug release device and a matching signal control device for triggering drug release, wherein: the miniature drug release device, the device housing 1 is made of biocompatible materials, The housing 1 has a smooth surface and has a drug release port 9; a permanent magnet 2 is installed in one end area of ​​the cavity of the device housing 1; A power supply magnetic control switch circuit composed of components 14 and 15; a piece of elastic magnetic sensitive element 14 in the magnetic control switch 12 in the circuit is connected to the positive pole of the micro battery 11 through a wire 21, and the other piece of elastic magnetic sensitive element 15 is connected to the micropump through a wire 22 3 on the power input terminal 16 of the pole plate 4 on the top surface, and the negative pole of the micro-battery 11 is then connected to the power output terminal 17 of the pole plate 4 on the top surface of...

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PUM

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Abstract

The mini medicine releasing device includes one biologically compatible smooth casing with medicine releasing port, permanent magnet fixing in one end inside the casing, power source and magnetically controlling switch circuit in the outer end of the casing, and one mini pump between the two areas and wine medicine holding cavity and valve-enclosed release opening. It is very small and smooth for easy to swallow and no damage to digestive tract. The permanent magnet makes it possible for the monitor to determine the position of the mini medicine releasing device inside body so that the medicine may be released in accurate position through triggering the controller.

Description

technical field [0001] The invention relates to a miniature drug release device, in particular to a miniature drug release device capable of releasing medicine at a fixed point in a living body. Background technique [0002] In the process of oral medicine for the treatment of diseases, especially intestinal diseases, part of the medicine is often not absorbed by the lesion area, which not only causes waste of medicine, reduces the therapeutic effect, but may also cause adverse reactions in other organs. Therefore, it is desirable to have a device that is small in size, contains required medicines, is easy to swallow, is in a sealed state before reaching the designated place, and can release medicine quickly under the trigger of an external signal after arriving at the designated place. Several methods and devices for releasing drugs at specific locations in the body have been proposed. The main disadvantage is that the device for releasing drugs cannot quickly and effective...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M31/00
Inventor 樊华郑小林彭承琳侯文生皮喜田崔建国刘艳彭小燕吴旭东
Owner CHONGQING UNIV