Blood sampling apparatus
First Claim
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1. A blood sampling apparatus comprising:
- a hollow cannula configured to pierce skin for withdrawing a blood sample;
a test strip insertion slot, wherein a sample chamber of a blood chemistry test strip is housed within said slot;
a vacuum duct in communication with said hollow cannula and a portion of said test strip insertion slot; and
a piston in communication with said vacuum duct, wherein, when actuated, said piston creates a low-pressure region within said vacuum duct and, thereby, a portion of said insertion slot and said hollow cannula, to extract said blood sample.
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Abstract
A blood sampling device and method of use, which reduce or eliminate the pain and discomfort typically associated with blood sample collection, are disclosed. The device enables a user to easily and painlessly withdraw a blood sample and simultaneously load the sample portion of a blood chemistry test strip. In addition, the related methods of use minimize the number of steps and reduce the overall time for extracting a blood sample from a user of the device
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1 Claim
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1. A blood sampling apparatus comprising:
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a hollow cannula configured to pierce skin for withdrawing a blood sample;
a test strip insertion slot, wherein a sample chamber of a blood chemistry test strip is housed within said slot;
a vacuum duct in communication with said hollow cannula and a portion of said test strip insertion slot; and
a piston in communication with said vacuum duct, wherein, when actuated, said piston creates a low-pressure region within said vacuum duct and, thereby, a portion of said insertion slot and said hollow cannula, to extract said blood sample.
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Specification