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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0797706 (2010-06-10) |
등록번호 | US-8251921 (2012-08-28) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 1745 |
A method of controlling a penetrating member is provided. The method comprises providing a lancing device comprising a penetrating member driver having a position sensor and a processor that can determine the relative position and velocity of the penetrating member based on measuring relative positi
A method of controlling a penetrating member is provided. The method comprises providing a lancing device comprising a penetrating member driver having a position sensor and a processor that can determine the relative position and velocity of the penetrating member based on measuring relative position of the penetrating member with respect to time; providing a predetermined velocity control trajectory based on a model of the driver and a model of tissue to be contacted. In some embodiments, a feedforward control to maintain penetrating member velocity along said trajectory.
1. A method of controlling penetrating member velocity, the method comprising: advancing the penetrating member to reach a first desired velocity;providing a controller for applying braking force;applying variable amounts of braking force and driving force to follow a predicted velocity profile, che
1. A method of controlling penetrating member velocity, the method comprising: advancing the penetrating member to reach a first desired velocity;providing a controller for applying braking force;applying variable amounts of braking force and driving force to follow a predicted velocity profile, checking in each braking cycle whether braking force should be varied wherein a braking cycle is varied for penetration depth control. 2. The method of claim 1, further comprising: controlling penetrating member depth by using an electronic lancet drive system where penetration of the penetrating member in a direction towards to the skin is determined by the amount of force applied by the motor to achieve a certain velocity at impact with the skin. 3. A method of body fluid sampling comprising: moving a penetrating member at velocities conforming to a selectable velocity profile or motion waveform;measuring force applied by user to a front end of a lancing device;determining amount of tissue tenting;recording tenting and force; andapplying a braking cycle in response to tenting. 4. The method of claim 3 further comprising using force and tenting to determine stratum corneum thickness based on a slope of multiple force and tenting data points. 5. A method of determining contact between a tip of a penetrating member and target tissue of a patient comprising: (a) Providing a lancing device comprising a penetrating member driver having a position sensor and a processor that can determine the relative position and velocity of the penetrating member based on measuring relative position of the penetrating member with respect to time;(b) Measuring a magnitude of deceleration of the penetrating member during at least a portion of an inward cutting stroke of a lancing cycle and comparing the magnitude of the measured deceleration to a known value of deceleration; and(c) Determining contact if the magnitude of the measured deceleration is greater than the magnitude of the known value of deceleration.
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