| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drug administration device for surely administering a drug to a desired site to be dosed. <P>SOLUTION: The drug administration device A is equipped with: a drug administration device main body 1 supplied into a celom; a movable wall 5 freely movably disposed in a housing chamber 3 inside the drug administration device main body 1 for partitioning the inside into housing spaces 3a and 3b; a dissolution wall 7 composed of a soluble film to be dissolved at a prescribed temperature higher than a temperature inside the celom for respectively partitioning the housing space 3a into drug housing chambers 8a and 8b and the housing space 3b into drug chambers 9a and 9b; a sealing plug 7a formed integrally with the dissolution wall 7 for closing a slit 6 to be a drug administering port; drugs 10 and 11 respectively housed in the drug housing chambers 8a and 8b; expansive agents 12 and 13 respectively housed in the drug chambers 9a and 9b, whose volume is expanded by being mixed; heaters 14 and 15 formed on a wall surrounding the housing chamber 3 by using the technique of manufacturing a three-dimensional solid circuit board and for heating and dissolving the dissolution wall 7 and the sealing plug 7a; and a heater driving circuit 30 for receiving trigger input and supplying power to the heaters 14 and 15. <P>COPYRIGHT: (C)2008,JPO&INPIT |
