Sampling device
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Abstract
The invention relates to a method for sampling body fluid of a living being by using a sampling device, which obtains a sample that is led outside a skin or the like surface of a living being by a catheter, cannula or the like, the sample being led via a tube directly or to be conveyed to an analysing device or to be otherwise examined in order to define at least partly the contents of the body fluid. A transfer pump suctions the sample brought outside a skin or the like surface towards the analysing device through a transfer tube. The sample being of a sufficient size, a sampling passage to a catheter, cannula or the like of the target to be examined is closed with a shutter, after which at least one transport medium is led into the tube behind the sample.
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Citations
25 Claims
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1-12. -12. (cancelled).
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13. A method of sampling body fluid of a living being using a sampling device comprising, the method comprising:
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drawing a sample of body fluid from a living being via a sampling passage and a transfer tube connected to a transfer pump;
closing the sampling passage by inserting a closing piston into the sampling passage when the sample reaches a desired size;
supplying a transport medium via a supply tube; and
supplying transport medium from the supply tube into the transfer tube behind the sample after the sampling passage is closed. - View Dependent Claims (14, 15, 16)
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17. A sampling device for sampling body fluid of a living being, the sampling device comprising:
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a chamber having first, second, and third aperture connections, the first aperture connection being connected to means for receiving body fluid from a living being;
a supply tube for supplying transport medium to the second aperture connection;
a transfer tube for transferring body fluid from the third aperture connection to an analyzing device; and
a closing piston which can be inserted into the first aperture connection to close the first aperture connection. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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Specification