Tissue penetration device
First Claim
Patent Images
1. A method of controlling a lancet velocity profile, comprising:
- a) measuring a velocity of a moving lancet at a known position;
b) compare the measured velocity of the lancet with an appropriate velocity for the lancet at the known position; and
c) applying a force to the lancet to adjust the velocity of the lancet.
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Abstract
A method is provided for controlling a lancet velocity profile. A velocity of a moving lancet is measured at a known position. The measured velocity of the lancet is compared with an appropriate velocity for the lancet at the known position. A force is applied to the lancet to adjust the velocity of the lancet.
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Citations
7 Claims
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1. A method of controlling a lancet velocity profile, comprising:
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a) measuring a velocity of a moving lancet at a known position;
b) compare the measured velocity of the lancet with an appropriate velocity for the lancet at the known position; and
c) applying a force to the lancet to adjust the velocity of the lancet. - View Dependent Claims (2, 3, 4)
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5. A method of controlling electromagnetic lancet driver, comprising:
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a) measuring a first position of a lancet of the lancet actuator;
b) apply force to the lancet to induce motion in the lancet;
c) measure a second position of the lancet;
d) determine a velocity of the lancet from change of position versus a change in time with regard to the first and second position of the lancet; and
e) adjust the force on the lancet to achieve a desired velocity of the lancet.
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6. A method of controlling movement of a lancet, comprising:
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applying force to the lancet to thereby cause the lancet to move in a first direction toward a target;
monitoring position and speed of the lancet as the lancet moves in the first direction;
adjusting the application of force to the lancet as the lancet moves in the first direction to achieve a desired speed of the lancet; and
adjusting the application of force to the lancet when the lancet contacts the target so that the lancet penetrates the target within a desired range of speed. - View Dependent Claims (7)
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Specification