NDLI: Design and analysis of an electromagnetically driven valve for a glaucoma implant

Content Provider	IEEE Xplore Digital Library
Author	Byunghoon Bae Nakhoon Kim Hongseok Kee Seonho Kim Yeon Lee Kyihwan Park
Copyright Year	2001
Description	Author affiliation: Dept. of Mechatronics, Kwangju Inst. of Sci. & Technol., Gwangju, South Korea (Byunghoon Bae)
Abstract	Though conventional implants have a capability of pressure regulation, they cannot maintain the intra-ocular pressure (IOP) desired for different patients. To solve these problems, an active glaucoma implant which consists of the valve actuator, pressure sensor, controller, and power supply, has been developed. In this paper, we first analyse of the operation of the conventional implant using a bond graph, and show its defects and limitations of the conventional valve analytically. Next, we design and analyze an electromagnetically driven valve actuator composed of a membrane, air-core solenoid, permanent magnet, and covering frame. To save the electrical power for operating the valve actuator, appropriate actuating methods are suggested and an optimal design of the valve actuator is carried out. Finally, using simulations, the possibility of the proposed valve actuator is investigated.
Sponsorship	IEEE Robotics & Autom. Soc
Starting Page	145
Ending Page	150
File Size	787515
Page Count	6
File Format	PDF
ISBN	0780365763
ISSN	10504729
DOI	10.1109/ROBOT.2001.932544
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-21
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic analysis Valves Implants Actuators Magnetic analysis Pressure control Power supplies Bonding Biomembranes Solenoids
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Control and Systems Engineering Electrical and Electronic Engineering Software

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