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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0363509 (2002-06-12) |
등록번호 | US-7699791 (2010-05-20) |
국제출원번호 | PCT/US2002/019450 (2002-06-12) |
§371/§102 date | 20030825 (20030825) |
국제공개번호 | WO02/100252 (2002-12-19) |
발명자 / 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 1025 |
Blood samples can be collected without substantial contamination from ambient air, such that the blood sample may be analyzed accurately for gaseous components such as oxygen and carbon dioxide. An embodiment of the device has integrated actuation, lancing, and sample acquisition components, which i
Blood samples can be collected without substantial contamination from ambient air, such that the blood sample may be analyzed accurately for gaseous components such as oxygen and carbon dioxide. An embodiment of the device has integrated actuation, lancing, and sample acquisition components, which in some embodiments are miniatuized and/or disposable.
The invention claimed is: 1. A method for sampling blood comprising the steps of: using an electronic driver to drive a penetrating member and lance a piece of skin to create an incision and a wound tract, the electronic driver being coupled to a processor and the processor being coupled to an ampl
The invention claimed is: 1. A method for sampling blood comprising the steps of: using an electronic driver to drive a penetrating member and lance a piece of skin to create an incision and a wound tract, the electronic driver being coupled to a processor and the processor being coupled to an amplifier; and using the amplifier to modulate power from a power supply to the electronic driver to provide a controlled slowed retraction of the penetrating member at a different velocity than a velocity of the penetrating member during creation of the incision, the slowed retraction of the penetrating member creating a bracing of the wound by keeping the tract from closing and keeping a flap created at a skin surface from sealing an opening at a top of the tract, wherein control during retraction of the penetrating member includes controlling velocity of the penetrating member based on penetrating member position using a mechanically predetermined path or an electrical position feedback mechanism. 2. A method of sampling blood according to claim 1 wherein: said bracing comprises controlling the retraction velocity of a lancet. 3. A method for sampling blood according to claim 2 wherein: said controlling comprises of monitoring the displacement of the lancet. 4. A method of sampling blood according to claim 1 wherein: said bracing comprises inserting a tube in the wound tract. 5. A method of sampling blood according to claim 1 wherein: said bracing comprises stretching the piece of skin before and after said lancing. 6. A method of sampling blood comprising the steps of: puncturing a piece of skin to create a wound tract; and bracing said wound tract with a biodegradable structure to provide a controlled slowed retraction of the penetrating member at a different velocity than a velocity of the penetrating member during creation of the incision and permit a controlled sample of blood to exit said wound tract ,the slowed retraction of the penetrating member creating a bracing of the wound by keeping the tract from closing and keeping a flap created at a skin surface from sealing an opening at a top of the tract, wherein control during retraction of the penetrating member includes controlling velocity of the penetrating member based on penetrating member position using a mechanically predetermined path or an electrical position feedback mechanism.
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