PC based instrumentation as an economic method for quality assurance-an experience based on development of hydrocephalus shunt test system
Biomed. Technol. Wing, Sree Chitra Tirunal Inst. for Med. Sci. & Technol., Trivandrum
Conference Proceeding: 03/1995; DOI: 10.1109/RCEMBS.1995.508677ISBN: 0-7803-2711-XIn proceeding of: Engineering in Medicine and Biology Society, 1995 and 14th Conference of the Biomedical Engineering Society of India. An International Meeting, Proceedings of the First Regional Conference., IEEE
Abstract
methods of industrial quality assurance for its high reliability at
lower cost. A custom assembled system with user friendly software is
ideal for industries, especially when the quantity requirement is small.
This concept is illustrated with an example of the development of a PC
based test system for the quality assurance of hydrocephalus shunt-a
neurosurgical implant. During the technology transfer of the device, a
16 channel PC controlled test system has been developed for classifying
the device according to their pressure-flow characteristics. Here, the
speed of the multichannel peristaltic pump is controlled for various
flow rates ranging from 5 ml/hour to 50 ml/hour and the corresponding
pressure drop sensed by the transducer is amplified, digitized and
monitored. Depending on the measured values, the software classifies all
the accepted devices in appropriate ranges and rejects the rest. The
test results are printed out in proper format. All the subsystems and
components used are in modular form and are standard products of leading
manufacturers, enabling the user industry to operate and maintain the
system without the help of the developer
Source: IEEE Xplore
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