Measurement of Remaining Dirt in Medical Instrument Based on IR Spectroscopy and Corn Mirror Reference

Koyama, Shozo; Ikeda, Hiroaki; Sakata, Yusuke; Gotoh, Tamihiro; Nakamura, Kunihisa; Kanai, Hiroyuki; Nishimatsu, Toyonori; Toba, Eiji

doi:10.1109/imtc.2005.1604270

Cited by 2 publications

(1 citation statement)

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“…We have developed a cleanliness evaluation system of the inner surface of narrow tubules using the cone mirror and the optical fiber probe by infrared spectroscopy [12]. Measurement system is shown in Fig.1.We use Fourier transform infrared spectrophotometer (FT-IR, SHIMADZU, IRPrestige) in the measurement system.For the infrared light is desired to irradiate directly, we use the optical fiber probe and cone mirror.The optical fiber probe (REMSPEC IMM-07S) composed of 19 fibers (the light source side: 7 and the detector side: 12) made by the chalcogenide glass.As shown in Fig.1, the light source side fiber and the detector side fiber are arranged alternately.Fiber diameter is 500 µm,optical fiber probe diameter is 5 mm.…”

Section: Measurement Systemmentioning

confidence: 99%

Cleanness Evaluation Method of Remaining Dirt on Inner Surface of Narrow Tubule by IR Spectroscopy

Koyama

Miyauchi²,

Ikeda³

2013

Optics

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We try to develop a new measurement method for cleanliness evaluation of inner surface of narrow tubule.In this measurement method, we use the infrared spectroscopy and the partial least squares regression (PLSR).The absorption spectrum is measured by using fiber probe and cone mirror.We measure the spectra of the known amount of dirt.We build a calibration curve using these spectra and the PLSR.Next, we measured spectrum of inner surface of narrow tubule, and calculates the amount of remaining this dirt by the calibration curve.This method can be measured in a non-contact and non-destructive.This method can identify the remaining position and the type and amount of dirt.In this paper, we propose this measurement method as new cleanliness evaluation method has overcome the problems that exist in the cleanliness evaluation.

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Section: Measurement Systemmentioning

confidence: 99%