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1.发明授权
公开(公告)号：US6086536A
公开(公告)日：2000-07-11
申请号：US336472
申请日：1999-06-18
申请人： Jeffrey H. Goll , Joe P. Buhler
发明人： Jeffrey H. Goll , Joe P. Buhler
CPC分类号： A61B8/0875
摘要： An apparatus and methods for determining a measure equivalent to broadband sound attenuation from transient or other measures derived from acoustic signals propagated through bone and, additionally, for using this measure for the calibration of an ultrasound bone analysis instrument. A synthetic mathematical filter corresponding to a given value of broadband ultrasound attenuation is applied to the signal propagated through a calibration of known or neutral acoustic properties. The value of the acoustic measure corresponding to the resultant waveform is determined and associated with the broadband ultrasound attenuation value corresponding to the synthetic mathematical filter. A model relating the acoustic measure to BUA values may thereby be established for subsequent clinical application.
摘要翻译： 一种用于通过从通过骨传播的声信号导出的瞬时或其他测量来确定等同于宽带声音衰减的措施的装置和方法，并且另外用于使用该测量用于超声骨分析仪器的校准。 将对应于宽带超声衰减的给定值的合成数学滤波器应用于通过已知或中性声学特性的校准传播的信号。 确定与所得到的波形对应的声学测量值并与对应于合成数学滤波器的宽带超声衰减值相关联。 因此可以建立将声学测量与BUA值相关联的模型用于随后的临床应用。
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2.发明授权Apparatus and method for acoustic analysis of bone using optimized functions of spectral and temporal signal components 失效使用光谱和时间信号分量的优化功能的骨骼声学分析的装置和方法
公开(公告)号：US5592943A
公开(公告)日：1997-01-14
申请号：US404813
申请日：1995-03-13
申请人： Joe P. Buhler , David Butt , Jeffrey H. Goll , Harold R. McCartor , Stuart H. Rowan , Neldon C. Wagner , Hartwell H. Whitney
发明人： Joe P. Buhler , David Butt , Jeffrey H. Goll , Harold R. McCartor , Stuart H. Rowan , Neldon C. Wagner , Hartwell H. Whitney
CPC分类号： A61B5/4504 , A61B8/0875 , A61B8/4455 , A61B8/462
摘要： An apparatus and method for acoustic analysis of bone are disclosed which provide measurements of transient spectral or temporal characteristics using signal processing techniques, wherein ultrasonic bone index value measurements are derived so as to minimize differences among successive measurements taken of the same individual and to maximize differences in measurements taken of different individuals and provide outputs indicating the condition of bone.
摘要翻译： 公开了一种用于骨骼声学分析的装置和方法，其使用信号处理技术提供瞬时光谱或时间特征的测量，其中导出超声波骨骼指数值测量值，以便最小化相同个体进行的连续测量之间的差异并最大化差异 在不同个体的测量中，并提供指示骨骼状况的输出。
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公开(公告)号：US06371916B1
公开(公告)日：2002-04-16
申请号：US09390546
申请日：1999-09-03
IPC分类号： A61B800
CPC分类号： A61B5/4504 , A61B8/0875 , A61B8/4455 , A61B8/462
摘要： An improved apparatus and method for providing a measurement of the characteristic behavior of an acoustic wave in a bone of a subject. A preferred embodiment has first and second transducers and a mounting arrangement for mounting the transducers in spaced relationship with respect to the bone. The first transducer may transmit acoustic energy over a broad solid angle, thereby behaving as a point source of acoustic energy. Additionally or alternatively, the second transducer may collect acoustic energy over a broad solid angle, thereby behaving as a point receiver. A signal processor in communication with the second transducer provides a measurement that is a function of at least one of transient spectral or transient temporal components of the signal received by the second transducer.
摘要翻译： 一种改进的装置和方法，用于提供对象的骨骼中声波的特征行为的测量。 优选实施例具有第一和第二换能器以及用于将换能器相对于骨隔开的关系安装的安装装置。 第一传感器可以在宽立体角上传播声能，从而表现为声能的点源。 附加地或替代地，第二换能器可以在宽的立体角上收集声能，从而表现为点接收器。 与第二换能器通信的信号处理器提供测量，该测量是由第二换能器接收的信号的瞬态频谱或瞬时时间分量中的至少一个的函数。
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公开(公告)号：US6015383A
公开(公告)日：2000-01-18
申请号：US942233
申请日：1997-10-01
CPC分类号： A61B5/4504 , A61B8/0875 , A61B8/4455 , A61B8/462
摘要： An improved apparatus and method for providing a measurement of the characteristic behavior of an acoustic wave in a bone of a subject. A preferred embodiment has a first assembly containing mounting means for mounting two transducers in spaced relationship with respect to the bone, and a second, hand-holdable assembly containing a display for displaying an output characterizing the behavior of the acoustic wave in the bone. In other embodiments of the invention, an acoustic signal propagated along a path through the bone is processed to determine the proximity of the path to an edge of the bone.
摘要翻译： 一种改进的装置和方法，用于提供对象的骨骼中声波的特征行为的测量。 优选实施例具有第一组件，该第一组件包括用于相对于骨骼以间隔开的关系安装两个换能器的安装装置，以及第二手持式组件，其包含用于显示表征骨骼中声波的行为的输出的显示器。 在本发明的其它实施例中，处理沿着通过骨的路径传播的声信号以确定到骨的边缘的路径的接近度。
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公开(公告)号：US5947902A
公开(公告)日：1999-09-07
申请号：US150914
申请日：1998-09-10
申请人： Jeffrey H. Goll , Joe P. Buhler
发明人： Jeffrey H. Goll , Joe P. Buhler
CPC分类号： A61B8/0875
摘要： An apparatus and methods for determining a measure equivalent to broadband sound attenuation from transient or other measures derived from acoustic signals propagated through bone and, additionally, for using this measure for the calibration of an ultrasound bone analysis instrument. A synthetic mathematical filter corresponding to a given value of broadband ultrasound attenuation is applied to the signal propagated through a calibration of known or neutral acoustic properties. The value of the acoustic measure corresponding to the resultant waveform is determined and associated with the broadband ultrasound attenuation value corresponding to the synthetic mathematical filter. A model relating the acoustic measure to BUA values may thereby be established for subsequent clinical application.
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6.发明授权Apparatus and method for acoustic analysis of bone using optimized functions of spectral and temporal signal components 失效使用光谱和时间信号分量的优化功能的骨骼声学分析的装置和方法
公开(公告)号：US5720290A
公开(公告)日：1998-02-24
申请号：US615643
申请日：1996-03-13
CPC分类号： A61B5/4504 , A61B8/0875 , A61B8/4455 , A61B8/462
摘要： An apparatus and method determine externally in a vertebrate subject an index of porosity and non-connectivity of a bone. A preferred embodiment has first and second transducers and a mounting arrangement for mounting the transducers in spaced relationship with respect to the bone. A signal generator,in communication with the first transducer, causes the first transducer to produce acoustic signals, having energy distributed over a frequency range, that are propagated into the subject and received by the second transducer along a path the includes the bone. Finally, the embodiment has a signal processor, in communication with the second transducer, for providing a measurement that is a function of at least one of spectral or temporal components of the sisal received by the second transducer. The transducers act like a point source and point receiver.
摘要翻译： 在脊椎动物对象外部确定骨骼的孔隙率和非连通性的指标的装置和方法。 优选实施例具有第一和第二换能器以及用于将换能器相对于骨隔开的关系安装的安装装置。 与第一换能器通信的信号发生器使得第一换能器产生具有分布在频率范围上的能量的声信号，所述声信号被传播到被摄体中并且沿着包括骨的路径由第二换能器接收。 最后，该实施例具有与第二换能器通信的信号处理器，用于提供作为由第二换能器接收的剑麻的光谱或时间分量中的至少一个的函数的测量。 换能器像点源和点接收器。
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公开(公告)号：US6090046A
公开(公告)日：2000-07-18
申请号：US231467
申请日：1999-01-14
CPC分类号： A61B8/0875
摘要： An apparatus for performing a measurement that characterizes the behavior of an acoustic wave in a heel bone. The apparatus is an integral unit having a base with a platform coupled to the base at a specified angle with respect to the base for receiving, centering and reproducibly orienting a foot. The apparatus has two transducer arms, each supporting an acoustic transducer in spaced relationship with respect to the foot of the subject and a member for mounting the first and second transducer arms in moveable relationship to the base so as to permit coupled two-dimensional motion of the first and second transducers over regions of the heel. The transducer units have transducer caps and an acoustically absorbing filler medium for emitting an acoustic wave with substantially the character of a point source over an opening angle of at least 30.degree..
摘要翻译： 一种用于执行表征足跟骨中声波的行为的测量的装置。 该装置是具有基座的整体单元，底座具有相对于基座以特定角度联接到基座的平台，用于接收，定中心并且可重复地定向脚。 该装置具有两个换能器臂，每个传感器臂支撑相对于被摄体的脚间隔开的声换能器，以及用于将第一和第二换能器臂以可移动关系安装到基座的构件，以允许耦合的二维运动 鞋跟区域上的第一和第二换能器。 传感器单元具有换能器盖和吸声填充介质，用于在起始角度至少为30度的基础上发射基本上具有点源特征的声波。
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公开(公告)号：US5050948A
公开(公告)日：1991-09-24
申请号：US571057
申请日：1990-08-23
CPC分类号： G02F1/0356 , G02F1/2255
摘要： An electro-optic device comprises a substrate of electro-optic material having at least one optical waveguide formed therein subjacent a main surface thereof for propagating an optical mode. A coplanar transmission line is formed on the main surface of the substrate and has at least first and second electrodes spaced apart by an electrode gap that is wider than the first electrode. The center of the waveguide is within the electrode gap and closer to the first electrode than the second electrode.
摘要翻译： 电光装置包括电光材料的基底，其具有形成在其主表面下方的至少一个光波导，用于传播光学模式。 共面传输线形成在基板的主表面上，并且至少具有比第一电极宽的电极间隙间隔开的第一和第二电极。 波导的中心在电极间隙内并且比第二电极更靠近第一电极。
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9.发明授权Ultrasonic waveform assay for bone assessment using values mapped over a region 失效超声波波形测定用于使用映射在某个区域的值进行骨骼评估
公开(公告)号：US5921929A
公开(公告)日：1999-07-13
申请号：US938101
申请日：1997-09-26
CPC分类号： A61B8/0875
摘要： An apparatus and methods determine externally in a vertebrate subject the porosity and non-connectivity of a bone. A preferred embodiment has an acoustic transceiver with a pair of acoustic transducers disposed in a specified spatial relationship with one another, such that an acoustic signal is transmitted from one to another via the bone. The transmission path through the bone corresponding to the acoustic signal analyzed by the system may be varied, with values derived from measures of acoustic transmission through differing locations in the bone stored in different locations of a memory. A location processor is provided for selecting a target location based at least in part on the values stored in the memory for defining a region of interest with respect to which a measure of bone porosity is determined.
摘要翻译： 一种在脊椎动物外部确定骨骼的孔隙度和非连通性的装置和方法。 优选实施例具有声学收发器，其具有以彼此指定的空间关系布置的一对声换能器，使得声信号经由骨骼从一个传递到另一个。 通过骨骼对应于通过系统分析的声学信号的传输路径可以改变，其中值通过存储在存储器的不同位置中的骨骼中的不同位置的声学传播的测量值导出。 位置处理器被提供用于至少部分地基于存储在存储器中的值来选择目标位置，用于定义确定骨孔度的度量的感兴趣区域。
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10.发明授权
公开(公告)号：US5072140A
公开(公告)日：1991-12-10
申请号：US539401
申请日：1990-06-18
申请人： Steven H. Pepper , Jeffrey H. Goll
发明人： Steven H. Pepper , Jeffrey H. Goll
CPC分类号： H03G1/0023 , G01J9/02 , H03F3/45085 , H03F2203/45366 , H03F2203/45466
摘要： An automatic gain control circuit for an interferometer or a phase sensitive detector reduces sensitivity to fluctuations in amplitude of input signals. A pair of currents from the phase sensitive detector that represents a detected phase difference are input to an automatic gain control ratio detector. The output of the automatic gain control ratio detector is a function of the ratio of the difference and sum of the phase sensitive detector currents that is substantially independent of intensity or amplitude fluctuations of the input signals.
摘要翻译： 用于干涉仪或相位敏感检测器的自动增益控制电路降低了输入信号幅度波动的灵敏度。 来自相位敏感检测器的一对电流代表检测到的相位差被输入到自动增益控制比检测器。 自动增益控制比检测器的输出是基本上与输入信号的强度或振幅波动无关的相敏检测器电流的差和之和的比率的函数。
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