Ultrasonic bone assessment apparatus and method

An ultrasonic and bone technology, applied in the directions of ultrasonic/sonic/infrasonic diagnosis, ultrasonic diagnosis, infrasonic diagnosis, etc., can solve problems such as lack of performance

Active Publication Date: 2006-02-15
CYBERLOGIC
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  • Ultrasonic bone assessment apparatus and method
  • Ultrasonic bone assessment apparatus and method
  • Ultrasonic bone assessment apparatus and method

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Embodiment Construction

[0035] Figure 1 shows how the parts are interconnected to construct a device for carrying out the method of the invention. To be specific, the instrument is to make non-traumatic and quantitative assessment of the state of bone tissue in living organisms at a specific time by measuring one or more parameters of bone: bone density, structure, quality, strength and fracture risk. In general, the components of the device are available from various commercial sources and will be pointed out in the detailed description of the overall operation below.

[0036] Referring to FIG. 1 , a bone 10 in a living organism to be analyzed is surrounded by soft tissue 12 covered by an outer layer of skin 14 . The bone 10 is placed between two ultrasonic transducers 16 and 18 facing each other on the same line. These two sensors can adopt the same model, and can be located in Waltham, MA (Waltham, Massachusetts, U.S.) by Panametrics (Limited) Company; two ultrasonic sensors 16, 18 can all adopt ...

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Abstract

A method for the assessment of various properties of bone is provided. The method includes applying a pair of ultrasound transducers to skin on opposite sides of the bone and generating an ultrasound signal and directing the signal through both the bone to obtain a bone output signal. The method further includes establishing a set of parameters associated with the bone output signal and then further processing the parameters in order to obtain the desired bone property. Two novel parameters are also disclosed, namely the net time delay (NTD) and mean time duration (MTD) parameters. An apparatus for the assessment of various properties of bone is also provided. The apparatus includes a pair of ultrasound transducers which may be single-element transducers or array transducers in any combination. The apparatus further includes various computer hardware components and computer software for generating and directing the ultrasound signal, establishing the parameter set and performing the processing. In addition, an apparatus that is battery powered, handheld, and portable and operates in real time is also provided.

Description

[0001] Related U.S. Patent Applications [0002] This patent application claims priority from Provisional Patent Application Serial No. 60 / 547,219 filed February 23, 2004. technical field [0003] The invention relates to a bone non-invasive quantitative measurement device and method applicable to living organisms. More specifically, the present invention is suitable for the diagnosis of osteoporosis and the assessment of fracture risk using a portable, battery-operated, multifunctional ultrasound instrument. Background technique [0004] Ultrasound has received attention in recent years as a new technique for non-invasive bone assessment. People have made many efforts to use ultrasonic energy to estimate the bone tissue status in living organisms, and then use it as a measurement for diagnosing osteoporosis and assessing fracture risk. [0005] In particular, Hoop presents an instrument in US Patent No. 3,847,141, which uses the measurement of bone density as a means to m...

Claims

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Application Information

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IPC IPC(8): A61B8/00A61B8/08
Inventor 罗钢明罗伯特・S.・斯夫特威廉・A.・约翰逊罗纳德・L.・艾尔特曼乔纳森・J.・考夫曼
Owner CYBERLOGIC
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