B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 17/06 (2006.01) A61M 15/00 (2006.01)
Patent
CA 2146870
The device is designed for nebulizing liquids and for transporting the formed aerosols. It includes components to form a fountain of liquid that is being nebulized, a container holder (4), a container (2) with contact medium (3), an additional container (5) with liquid being nebulized (6), a nebulization chamber (7), a system for transporting the aerosol to the user, an outlet duct (11), and a mechanism for regulation of rate of delivery of aerosol. The nebulization chamber (7) is designed as a double-element structure, composed of an intake tube (8) and an expansion chamber (9). In the bottom of the expansion chamber (9) outlets (10) have been made for the drainage of the non-nebulized liquid back to the section of the container remote from the base of the fountain. This reduces the negative action of the non-nebulized liquid on the effectiveness of nebulization. The expansion chamber (9) which is incorporated into the nebulization chamber (7) ensures a significant reduction in coagulation of the aerosol particles, thus increasing the efficiency of the nebulizer and particle uniformity. The latter effect is likewise heightened by this specifically designed outlet duct (10) which accomplishes a process of gravitational filtration. As a consequence of the movement of the stream in the narrow intake tube (8) there is formation of a differential pressure, enabling transport of the aerosol from the nebulization chamber to the user. The above principles are proposed for application to multi-use and single-used devices.
Oyen Wiggs Green & Mutala Llp
Sheiman Ultrasonic Research Foundation Pty Ltd.
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