Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1996-10-09
1998-09-22
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820321, 12820328, A61M 1500, A61M 1600, B05D 714, B65D 8306
Patent
active
058100040
ABSTRACT:
A medicator for a capsule filled with a powdered drug, comprising: a first member adapted to receive a capsule therein; a second member, having an air supply valve structure, arranged to communicate with the first member and arranged to operatively discharge air sucked from outside the medicator towards the first member in which a capsule is received; an air stream passage formed within the first member and the second member to direct air discharged from the air supply valve structure in a direction towards a capsule received by the first member; a third member removably attached to the first member to spray powdered drug in a capsule out of the medicator with air discharged from the air supply valve structure via the air stream passage; a drug trapping structure formed in the air stream passage to trap part of powdered drug contained in a capsule which falls down into the drug trapping structure; and a drug collecting structure formed in the air stream passage between the drug trapping structure and the air supply valve structure to collectively dam powdered drug from a capsule which falls in a direction opposite to the first member together with air when the air supply valve structure is in an intermediate state between a fully open state and a fully closed state, thereby preventing powdered drug from entering the air supply valve structure.
REFERENCES:
patent: 2147158 (1939-02-01), Goldenthal
patent: 2992645 (1961-07-01), Fowler
patent: 3906950 (1975-09-01), Cocozza
patent: 3949751 (1976-04-01), Birch et al.
patent: 5366122 (1994-11-01), Guentert et al.
Ishizeki Kazunori
Nakamura Shigemi
Ohki Hisatomo
Yanagawa Akira
Asher Kimberly L.
Dott Limited Company
Unisia Jecs Corporation
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