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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0317913 (2005-12-23) |
등록번호 | US-8360991 (2013-01-29) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 1734 |
A method of lancing the tissue of a patient provides a tissue penetration element with a tip configured to penetrate tissue and a shaft portion. The tissue penetration element is disposed in proximity to the tissue of the patient. The tissue penetration element is driven distally towards the tissue
A method of lancing the tissue of a patient provides a tissue penetration element with a tip configured to penetrate tissue and a shaft portion. The tissue penetration element is disposed in proximity to the tissue of the patient. The tissue penetration element is driven distally towards the tissue of the patient. Contact is made between the tip and the tissue of the patient. The tip is advanced into the tissue during a penetration stroke to a position of maximum inward displacement. The tissue penetration element is allowed to settle upon reaching the point of maximum inward penetration for at least about 1 millisecond with no driving force imposed on the tissue penetration element. The tissue penetration element is displaced proximally over a withdrawal stroke and the tip is removed from the tissue.
1. A method of lancing the tissue of a patient comprising: (a) providing an electromagnetic driver having a tissue penetration element having a tip configured to penetrate tissue and a shaft portion;(b) disposing the tissue penetration element in proximity to the tissue of the patient;(c) driving th
1. A method of lancing the tissue of a patient comprising: (a) providing an electromagnetic driver having a tissue penetration element having a tip configured to penetrate tissue and a shaft portion;(b) disposing the tissue penetration element in proximity to the tissue of the patient;(c) driving the tissue penetration element distally towards the tissue of the patient;(d) determining contact between the tip and the tissue of the patient;(e) advancing the tip into the tissue during a penetration stroke to a position of maximum inward displacement that is determined electronically via a position sensor;(f) monitoring motion of the tissue penetration element and allowing the tissue penetration element to settle upon reaching the point of maximum inward penetration for at least about 1 millisecond with no driving force imposed on the tissue penetration element until any motion of the tissue penetration element has stopped; and(g) displacing the tissue penetration element proximally over a withdrawal stroke and removing the tip from the tissue, the allowing the tissue penetration element to settle upon reaching the point of maximum inward penetration for at least about 1 millisecond and displacing the tissue penetration element creating a spontaneous flow of a blood sample without milking. 2. The method of claim 1, further comprising allowing the tissue penetration element to settle upon reaching the point of maximum inward penetration for about 50 to about 2000 milliseconds, wherein no driving force is imposed on the tissue penetration element while settling. 3. The method of claim 1, wherein the average velocity of the tissue penetration element during the penetration stroke from the point of contact with the tissue until the position of maximum inward displacement is about 2 to about 8 meters per second. 4. The method of claim 1, wherein the average velocity of the tissue penetration element during the withdrawal stroke from the position of maximum inward displacement is about 2 to about 10 meters per second. 5. A method of lancing the tissue of a patient comprising: (a) providing an electromagnetic driver having a tissue penetration element having a tip configured to penetrate tissue and a shaft portion;(b) disposing the tissue penetration element in proximity to the tissue of the patient;(c) driving the tissue penetration element distally towards the tissue of the patient;(d) determining contact between the tip and the tissue of the patient;(e) advancing the tip into the tissue during a penetration stroke to a position of maximum inward displacement that is determined electronically via a position sensor;(f) determining and applying right amount of driving force to the tissue penetration element necessary to hold the tissue penetration element substantially stationary and prevent retrograde motion of the tissue penetration element at the point of maximum inward penetration for at least about 1 millisecond; and(g) displacing the tissue penetration element proximally over a withdrawal stroke and removing the tip from the tissue, the hold the tissue penetration element substantially stationary and prevent retrograde motion of the tissue penetration element the point of maximum inward penetration for at least about 1 millisecond displacing the tissue penetration element creating a spontaneous flow of a blood sample without milking. 6. The method of claim 5, further comprising applying force on the tissue penetration element to hold the tissue penetration element stationary upon reaching the point of maximum inward penetration for about 50 to about 2000 milliseconds.
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