Invention Grant
US07922679B1 Blood-draw finger restraint 失效
抽血手指约束

Blood-draw finger restraint
Abstract:
An apparatus for drawing blood from a finger includes a flexible band, at least a portion of which is adapted to surround a portion of a finger. A remaining portion of the apparatus is disposed under at least one joint of the finger. The apparatus provides sufficient strength along its longitudinal length to restrict a child or other person from excessively bending the joint when the finger restraint is in position. After a puncture is provided near the tip of the finger, the apparatus is then squeezed to help force an additional quantity of blood to flow out through the puncture. After the blood sample is taken, the apparatus continues to “restrain” the finger until a required bandage is applied. A few of the many possible modifications are also shown.
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