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Case5 Reports and Documents -accuracy and performance-

Is there any official document or evidence evaluating the accuracy and the performance of Nihon Kohden probes?

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Yes, there are! There are 2 documents so far, Performance Digest and Pulse Oximeter Accuracy Study. Here are brief summaries;

Performance Digest

The pulse oximeter has created a demand for more advanced technology in clinical practices however, the best technology can even have unexpected negative consequences if it is used inappropriately. This document describes Nihon Kohden's pulse oximeter technology and performance as well as its measurement principle and related international standards in order to promote appropriate use and better understanding of the pulse oximeter.

Contents:
1. Introduction
2. APPLICATION AND MEASUREMENT PRINCIPLE OF PULSE OXIMETRY
              2.1. SpO2 Applications
              2.2. Principle of Measurement
3. INTERNATIONAL PULSE OXIMETER STANDARD
              3.1. SpO2 Accuracy
              3.2. Skin Temperature at the Pulse Oximeter Probe
              3.3. Probes and Connected Monitors
              3.4. Notification and Alarm of Measurement Condition
4. CLINICAL CONSIDERATIONS
              4.1. Difference between Different Models and Manufacturers
              4.2. Probe Placement
              4.3. Interference from Light and Movement
              4.4. Peripheral Circulatory Failure
              4.5. Skin Injuries Caused by Probes
              4.6. Effects of Abnormal Hemoglobin
              4.7. Nail Polish
5. NIHON KOHDEN SpO2 TECHNOLOGY
              5.1 Introduction of NPi Algorithm
6. NIHON KOHDEN SpO2 MEASUREMENT PERFORMANCE
              6.1. SpO2 Measurement Accuracy
              6.2. Magnitude of Input Signal and Waveform
              6.3. Sensitivity Setting
              6.4. Responsiveness
              6.5. Temperature Increase at the Probe Site
7. MESSAGES AND ALARMS
              7.1. Messages and Alarms Related to SpO2 Monitoring
              7.2. SQI
8. CONCLUSION
9. REFERENCES


Pulse Oximeter Accuracy Study

Hypoxia Research Laboratory conducted 2 studies to evaluate Nihon Kohden pulse oximeter and probes at their facility at University of California, San Francisco, in 2008 and 2010. They reported the result in the attached file.

 


Here are the files you can download by clicking the images.

Performance Digest Oximeter Accuracy Study

[PDF/1.2MB/24pages] [PDF/3.3MB/19pages]