Oxygen supply for implantable medical device
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United States of America Patent
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Jul 22, 2014
Grant Date -
Mar 3, 2011
app pub date -
Aug 31, 2009
filing date -
Aug 31, 2009
priority date (Note) -
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Abstract
A method for replenishing gas in a subcutaneously implanted medical device containing functional cells comprising: inserting at least one needle, adopted to penetrate the skin and connecting a subcutaneously implanted medical device; connecting the inserted at least one needle to a gas replenishing apparatus; extracting gas from a gas reservoir in the implanted device into the gas replenishing apparatus; sensing oxygen level in the extracted gas; calculating the amount of gas needed for replenishing oxygen in the reservoir based on the sensed oxygen level in the extracted gas; and supplying gas from a gas tank in the gas replenishing apparatus to the gas reservoir in the implanted device.
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