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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0559223 (2004-06-07) |
등록번호 | US-7850621 (2011-02-10) |
국제출원번호 | PCT/US2004/018132 (2004-06-07) |
§371/§102 date | 20060505 (20060505) |
국제공개번호 | WO04/107964 (2004-12-16) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 19 인용 특허 : 948 |
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.
What is claimed is: 1. A method of controlling a penetrating member at a tissue site for receiving a body fluid from a wound created at the tissue site, the method comprising: (a) providing a lancing device that includes a penetrating member driver coupled to a position sensor and a processor, the
What is claimed is: 1. A method of controlling a penetrating member at a tissue site for receiving a body fluid from a wound created at the tissue site, the method comprising: (a) providing a lancing device that includes a penetrating member driver coupled to a position sensor and a processor, the position sensor and processor determining a relative position and velocity of the penetrating member based on measuring relative position of the penetrating member with respect to time; (b) launching the penetrating member from the lancing device; (c) measuring relative position of the penetrating member with respect to time with the processor and position sensor; (d) accelerating the penetrating member towards a target tissue; (e) in response to measuring relative position of the penetrating with respect to time using an adaptive control algorithm coupled to the penetrating driver to decelerate the penetrating member to follow a desired trajectory, wherein the penetrating member is not decelerated in a sudden manner where the target tissue bounds away from the penetrating member. 2. The method of claim 1 further comprising: using a planned velocity profile to reach a desired depth of penetration in the tissue site. 3. The method of claim 1 wherein a magnitude of a known value of deceleration is determined with the processor by the deceleration of the penetrating member due to intrinsic frictional forces of the lancing device alone. 4. The method of claim 1 further comprising using a look-up table to determine penetrating member settings based on a desired penetration depth. 5. The method of claim 1 wherein a magnitude of a known value of deceleration is determined by the processor by deceleration of the penetrating member due to intrinsic frictional forces of the lancing device alone. 6. The method of claim 5 wherein a magnitude of a known value of deceleration is determined empirically and implemented by the processor by observing a magnitude of deceleration of the penetrating member when the penetrating member is known to be making contact with the target tissue.
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