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...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.

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Assignee: Z-Tech (Canada) Inc.


Location: Toronto, CA
No. of patents: 3

NumberTitleIssue Date
7457660Eliminating interface artifact errors in bioimpedance measurements
A system for diagnosing the possibility of disease in one of a first body part and a second substantially similar body part by impedance measurements is described. The system includes an impedance module for calculating impedances of corresponding segments of the fi...
11/25/2008
7212852Bioimpedance measurement using controller-switched current injection and multiplexer selected electrode connection
A system and method for measuring a voltage in a body part are described. The system includes a multiplexing unit, and N body leads for electrically connecting the multiplexing unit to the body part. The system also includes a controller switching unit for allowing ...
05/01/2007
6768921Electrical impedance method and apparatus for detecting and diagnosing diseases
The present invention relates to an improved method and apparatus for detecting and diagnosing disease states in a living organism by using a plurality of electrical impedance measurements. In particular, the invention provides for an improved electrode array for di...
07/27/2004
 
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