[특허]Wireless flow sensor methods

Wireless flow sensor methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/07 A61B-005/00 A61M-027/00
출원번호	US-0875536 (2013-05-02)
등록번호	US-8870768 (2014-10-28)
발명자 / 주소	Kassem, Salim
출원인 / 주소	DePuy Synthes Products, LLC
대리인 / 주소	Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 109

초록 ▼

Devices and methods useful for non-invasively measuring and indicating a rate of fluid flow are disclosed. In one embodiment, a sensor housing adapted to received fluid flow therethrough is provided. A radio frequency tag and a masking element can be disposed in the sensor housing. The masking element and the radio frequency tag can be configured to move relative to one another. The relative positions or movement can alter the response of the radio frequency tag to a wireless signal (which can be emitted from an external reading device, for example) and thereby indicate a rate of fluid flowing through the housing. For example, in some embodiments, the masking element can selectively cover at least part of the radio frequency tag in correspondence to the flow rate, which can change a characteristic of the radio frequency tag's response to the wireless signal.

대표청구항 ▼

1. A method for measuring fluid flow, comprising: implanting a sensor in a patient, the sensor including a sensor housing positioned between an inlet tube and an outlet tube, the sensor housing having a radio frequency tag and a conductive member disposed therein, the conductive member being configured to cover the radio frequency tag based on a rate of fluid flowing through the sensor housing;transmitting a wireless signal to the radio frequency tag disposed within the implanted sensor housing from a reading device; andwirelessly receiving a response from the radio frequency tag that indicates the rate of fluid flowing through the sensor housing,wherein the radio frequency tag is configured to move in response to the fluid flowing through the sensor housing, the movement allowing the conductive member to cover different portions of the radio frequency tag. 2. A method for measuring fluid flow, comprising: implanting a sensor in a patient, the sensor including a sensor housing positioned between an inlet tube and an outlet tube, the sensor housing having a radio frequency tag and a conductive member disposed therein, the conductive member being configured to cover the radio frequency tag based on a rate of fluid flowing through the sensor housing;transmitting a wireless signal to the radio frequency tag disposed within the implanted sensor housing from a reading device; andwirelessly receiving a response from the radio frequency tag that indicates the rate of fluid flowing through the sensor housing,wherein the radio frequency tag has a rotationally asymmetric antenna pattern formed therein, and the conductive member is configured to cover different portions of the pattern based on the rate of fluid flowing through the sensor housing. 3. A method for measuring fluid flow, comprising: implanting a sensor in a patient, the sensor including a sensor housing positioned between an inlet tube and an outlet tube, the sensor housing having a radio frequency tag and a conductive member disposed therein, the conductive member being configured to cover the radio frequency tag based on a rate of fluid flowing through the sensor housing;transmitting a wireless signal to the radio frequency tag disposed within the implanted sensor housing from a reading device; andwirelessly receiving a response from the radio frequency tag that indicates the rate of fluid flowing through the sensor housing,wherein the conductive member is configured to rotate with circular motion in response to fluid flowing through the sensor housing, thereby moving the conductive member so as to cover different portions of the radio frequency tag.

이 특허에 인용된 특허 (109)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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