Bausch Health. has been granted a patent for a fluid delivery device featuring a piezoelectric actuator that clamps around a thermoplastic ampoule. This design enables ultrasonic oscillations to create acoustic pressure, facilitating the precise ejection of liquid droplets through apertures in the ampoule’s neck. GlobalData’s report on Bausch Health gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Bausch Health, Cancer treatment biomarkers was a key innovation area identified from patents. Bausch Health's grant share as of July 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Fluid delivery device using piezoelectric actuator for dispensing
The patent US12048647B2 describes a dispensing apparatus designed for the precise delivery of liquids, particularly ophthalmic medications. The apparatus features an actuator and an ampoule that contains the liquid to be dispensed. The ampoule consists of a reservoir portion and a neck portion, with a fluid path connecting the two. The neck portion is equipped with at least one aperture, allowing for the directed emission of fluid. Notably, the actuator engages the neck portion through clamping, with the clamping direction being perpendicular to the fluid emission direction. The actuator's oscillation induces a corresponding oscillation in the neck portion, facilitating the emission of liquid from the aperture in a direction that is also substantially perpendicular to the fluid path.
Further claims detail the design and functionality of the apparatus, including various cross-sectional shapes for the neck portion, methods of securing the neck to the actuator, and the operating frequency of the device. The actuator may utilize a bending transducer, such as a bimorph or unimorph actuator, and can be driven by electronic circuitry. The apparatus is designed to operate with a low clamping force and minimal oscillation amplitude, ensuring precision in liquid dispensing. Additionally, it includes an optical alignment system to assist users in targeting the fluid emission accurately onto the eye's surface. The patent outlines various configurations and operational parameters that enhance the effectiveness and usability of the dispensing apparatus.
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