[특허]Integrated sensor for medical applications

Integrated sensor for medical applications 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-008/15 A61B-005/00
출원번호	US-0150358 (2014-01-08)
등록번호	US-9943265 (2018-04-17)
발명자 / 주소	Stein, Marc Ellis, Sr., James
출원인 / 주소	Orthosensor Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 65

초록 ▼

A sensing assemblage for capturing a transit time, phase, or frequency of energy waves propagating through a medium is disclosed to measure a parameter of the muscular-skeletal system. The sensing assemblage comprises a transducer and a waveguide. The transducer is coupled to the waveguide at a first location. A reflective surface can be coupled to the waveguide at a second location. The reflective surface is configured to reflect energy waves away from the reflective surface. An interface material that is transmissive to acoustic energy waves can be placed between the transducer and a waveguide to improve transfer.

대표청구항 ▼

1. A sensing assemblage for measuring a parameter of the musculoskeletal system comprising: a waveguide having a reflective feature at a first end wherein the waveguide comprises polyethylene or urethane; anda transducer coupled to a second end of the waveguide wherein the waveguide and the transducer are configured to measure loading applied to an insert when placed in a prosthetic knee joint, wherein the transducer is configured to emit ultrasound waves into the waveguide and detect reflected ultrasound waves from the reflective feature, wherein the transducer is configured to output a signal upon detecting reflected energy waves that relates to a load magnitude applied to the insert and corresponds to a dimension of the waveguide under load. 2. The sensing assemblage of claim 1 wherein the waveguide is elastically compressible. 3. The sensing assemblage of claim 1 further including a controller coupled to the transducer wherein the controller controls the transducer to emit the ultrasound waves and the controller controls the transducer to detect the echo of reflected ultrasound waves. 4. The sensing assemblage of claim 3 wherein the controller is configured to measure a propagation time corresponding to the emitted ultrasound waves and the propagation time to receive the reflected ultrasound waves. 5. The sensing assemblage of claim 4 wherein the controller is configured to transmit measurement data to a computer. 6. The sensing assemblage of claim 1 where a length of the waveguide is less than 10 millimeters. 7. The sensing assemblage of claim 1 further including a second reflective, wherein the second reflective feature is placed within the waveguide between the first end and the second end of the waveguide. 8. The sensing assemblage of claim 1 wherein the transducer comprises a piezoelectric element. 9. The sensing assemblage of claim 1 wherein the ultrasound waves comprise ultrasound pulses. 10. The sensing assemblage of claim 1 wherein a length of the waveguide is 1 millimeter or less. 11. The sensing assemblage of claim 1 where the waveguide is configured in two or more axes. 12. The sensing assemblage of claim 3 wherein the controller is configured to couple to an accelerometer. 13. The sensing assemblage of claim 12 wherein the accelerometer couples to the insert and wherein the accelerometer is configured to measure motion or position of the knee joint. 14. The sensing assemblage of claim 1 wherein the ultrasound waves comprise continuous waves.

이 특허에 인용된 특허 (65)

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IPC	Description
A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Integrated sensor for medical applications 원문보기

초록 ▼

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Integrated sensor for medical applications 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (65)

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