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    • 1. 发明申请
    • APPARATUS AND METHODS FOR BONE FRACTURE FIXATION
    • 用于骨折固定的装置和方法
    • US20110218535A1
    • 2011-09-08
    • US13110843
    • 2011-05-18
    • Robert C. WangMohamed B. Trabia
    • Robert C. WangMohamed B. Trabia
    • A61B17/80
    • A61B17/663A61B17/8071A61B17/842
    • Apparatus and methods to facilitate fixation of a fracture are disclosed. These apparatus include a bone plate for the fixation of a fractured bone having a plurality of fastener openings so that the bone plate may be secured by a plurality of fasteners across a reduced fracture to fixate a reduced fracture. The bone plate is configured to flex in situ to conform to the surface of the bone while providing sufficient stiffness in the plane of the device to resist forces and moments in the plane. Methods of use of the present invention include fastening the bone plate to a first side of the fracture, flexing portions of the bone plate to bias against the bone surface on the second side of the fracture, fastening the portions of the bone plate so biased to the second side of the fracture, thereby fixating the fracture by fastening the bone plate to the second side of the fracture.
    • 公开了便于骨折固定的装置和方法。 这些装置包括用于固定具有多个紧固件开口的断裂骨的骨板,使得骨板可以通过多个紧固件固定在减少的骨折上以固定减少的骨折。 骨板被构造成在原位弯曲以符合骨的表面,同时在装置的平面中提供足够的刚度以抵抗平面中的力和力矩。 本发明的使用方法包括将骨板固定到骨折的第一侧,使骨板的弯曲部分偏压在骨折的第二侧上的骨表面上,将骨板的部分固定为偏向于 断裂的第二侧,从而通过将骨板固定到骨折的第二侧来固定骨折。
    • 2. 发明授权
    • Apparatus and methods for bone fracture reduction and fixation
    • 骨折减少和固定的装置和方法
    • US07578835B2
    • 2009-08-25
    • US11439601
    • 2006-05-24
    • Robert C. WangMohamed B. Trabia
    • Robert C. WangMohamed B. Trabia
    • A61B17/80
    • A61B17/663A61B17/8019A61B17/8071A61B17/842Y10S606/902
    • Apparatus to facilitate reduction and fixation of a fracture by drawing together the fracture by applying tension to a reduction wire are disclosed. These apparatus include a bone plate for the fixation of a fractured bone having a plurality of fastener openings so that the bone plate may be secured by a plurality of fasteners across a reduced fracture to fixate a reduced fracture. The bone plate is configured with a channel that receives a reduction wire so that the reduction wire may extend between the bone plate and a reduction wire mount such as a bone screw. Methods of use of the present invention include fastening the bone plate to a first side of the fracture, fastening a reduction wire mount to a second side of the fracture, fastening a reduction wire to the reduction wire mount, receiving the reduction wire in the channel, applying tension to the reduction wire to draw the bone plate and the reduction wire mount together thereby reducing the fracture, and fixating the fracture by fastening the bone plate to the second side of the fracture.
    • 公开了通过向还原线施加张力来简化将断裂拉在一起的断裂的还原和固定的装置。 这些装置包括用于固定具有多个紧固件开口的断裂骨的骨板,使得骨板可以通过多个紧固件固定在减少的骨折上以固定减少的骨折。 骨板被构造成具有接收还原线的通道,使得还原线可以在骨板和诸如骨螺钉的还原线安装件之间延伸。 本发明的使用方法包括将骨板固定在断裂的第一侧面,将还原线安装件固定到断裂的第二侧,将还原线紧固到还原线安装件,在通道中接收还原线 向所述还原线施加张力以将所述骨板和所述还原线安装在一起,从而减少所述断裂,并且通过将所述骨板固定在所述骨折的第二侧来固定所述骨折。
    • 3. 发明授权
    • Apparatus and methods for bone fracture fixation
    • 骨折固定装置及方法
    • US08617221B2
    • 2013-12-31
    • US13110843
    • 2011-05-18
    • Robert C. WangMohamed B. Trabia
    • Robert C. WangMohamed B. Trabia
    • A61B17/80
    • A61B17/663A61B17/8071A61B17/842
    • Apparatus and methods to facilitate fixation of a fracture are disclosed. These apparatus include a bone plate for the fixation of a fractured bone having a plurality of fastener openings so that the bone plate may be secured by a plurality of fasteners across a reduced fracture to fixate a reduced fracture. The bone plate is configured to flex in situ to conform to the surface of the bone while providing sufficient stiffness in the plane of the device to resist forces and moments in the plane. Methods of use of the present invention include fastening the bone plate to a first side of the fracture, flexing portions of the bone plate to bias against the bone surface on the second side of the fracture, fastening the portions of the bone plate so biased to the second side of the fracture, thereby fixating the fracture by fastening the bone plate to the second side of the fracture.
    • 公开了便于骨折固定的装置和方法。 这些装置包括用于固定具有多个紧固件开口的断裂骨的骨板,使得骨板可以通过多个紧固件固定在减少的骨折上以固定减少的骨折。 骨板被构造成在原位弯曲以符合骨的表面,同时在装置的平面中提供足够的刚度以抵抗平面中的力和力矩。 本发明的使用方法包括将骨板固定到骨折的第一侧,使骨板的弯曲部分偏压在骨折的第二侧上的骨表面上,将骨板的部分固定为偏向于 断裂的第二侧,从而通过将骨板固定到骨折的第二侧来固定骨折。
    • 4. 发明授权
    • Apparatus and method for finding location of a mobile unit
    • 用于查找移动单元的位置的装置和方法
    • US06567486B1
    • 2003-05-20
    • US09360574
    • 1999-07-26
    • Alexander GordonAlex MatusevichJonathan TobiasSheng-Jen TsaiRobert C. Wang
    • Alexander GordonAlex MatusevichJonathan TobiasSheng-Jen TsaiRobert C. Wang
    • H04L702
    • G01S5/10G01S1/045
    • A phase-modulated signal such as a quadrature phase-shift-keyed (QPSK) signal in a wireless communication system is demodulated by frequency demodulating the phase-modulated signal. The phase-modulated signal is separated into first and second copies, the first copy is phase demodulated to generate demodulated symbols, and the second copy is frequency demodulated to generate, e.g., a measure of the instantaneous frequency of the phase-modulated signal. The instantaneous frequency measure is processed to identify one or more symbol transitions, and the identified transitions are used to generate event signals having signature properties (signature events). These signature events are used in traditional Time Difference of Arrival tdoa algorithms to accurately determine position of a mobile unit in the wireless communication system.
    • 通过频率解调相位调制信号来解调无线通信系统中的相位调制信号,例如正交相移键控(QPSK)信号。 相位调制信号被分离为第一和第二副本,第一副本被相位解调以产生解调符号,并且第二副本被频率解调以产生例如相位调制信号的瞬时频率的测量。 处理瞬时频率测量以识别一个或多个符号转换,并且所识别的转换用于生成具有签名属性(签名事件)的事件信号。 这些签名事件用于传统的到达时差算法,以准确地确定移动单元在无线通信系统中的位置。
    • 6. 发明授权
    • Frequency-multiplexed cellular telephone cell site base station and
method of operating the same
    • 频分复用蜂窝电话小区站点基站及其操作方法
    • US5289464A
    • 1994-02-22
    • US947696
    • 1992-09-21
    • Robert C. Wang
    • Robert C. Wang
    • H04B7/26H04J1/05H04L5/06H04J1/14
    • H04L5/06H04B7/2621
    • The present invention is directed to a cellular telephone cell site base station (10) having a single radio transmitter (40) and radio receiver (14) for transmitting and receiving, respectively, multiplexed frequency-modulated (FM) signals. A filter bank synthesizer (36), associated with the transmitter, multiplexes individual signals for transmission by the transmitter by exponentially modulating the signals to higher frequency bands followed by low-pass filtering and interpolation using discrete Fourier transform techniques. A filter bank analyzer (18), associated with the receiver, demultiplexes multiplexed FM signals received by the receiver by exponentially modulating each signal to its original spectral position followed by low-pass filtering and decimation, using discrete Fourier transform techniques.
    • 本发明涉及一种具有单个无线电发射机(40)和无线电接收机(14)的蜂窝电话蜂窝站点基站(10),用于分别发送和接收多路调制(FM)信号。 与发射机相关联的滤波器组合成器(36)将发射机的各个信号多路复用,通过使用离散傅里叶变换技术将信号指数式地调制到较高频带,随后进行低通滤波和内插。 与接收器相关联的滤波器组分析器(18)使用离散傅里叶变换技术将由接收机接收的多路复用的FM信号解复用于将每个信号指数地调制到其原始频谱位置,随后进行低通滤波和抽取。
    • 10. 发明授权
    • State variable-based table-driven modulation signal generation
    • 基于状态变量的表驱动调制信号生成
    • US06194977B1
    • 2001-02-27
    • US09072813
    • 1998-05-05
    • Robert C. Wang
    • Robert C. Wang
    • H03C300
    • H04L27/2071H04L25/03834
    • Dibits (i.e., pairs of bits) in an input data stream are converted into a modulation signal (e.g., a &pgr;/4-DQPSK modulation signal) using a technique that relies on pre-computed filter output values to reduce the processing required to generate each sample in the modulation signal. The pre-computed filter output values are stored in one or more look-up tables, which are accessed in real time during signal conversion to retrieve values as needed. In one implementation, the dibits, which are represented by complex values in a complex symbol space, are converted into two streams of state variables: one stream for the even symbols and one stream for the odd symbols. In addition, a third stream of state variables identifies whether each of the corresponding symbols is an even symbol or an odd symbol. The three streams of state variables are used to generate address pointers that are used to access the pre-computed filter output values from the look-up tables. Addition/subtraction operations are then applied to the retrieved values to generate the real and imaginary parts of the complex samples in the modulation signal. By greatly reducing the computations involved in generating each complex sample in the modulation signal, the present invention can be used to reduce the costs of implementing the modulation process and/or increase the rate at which the input data stream is over-sampled, thereby reducing distortion in the modulation signal.
    • 使用依赖于预先计算的滤波器输出值的技术将输入数据流中的位(即,成对位)转换成调制信号(例如,pi / 4-DQPSK调制信号)来减少产生 每个采样在调制信号中。 预先计算的滤波器输出值存储在一个或多个查找表中,这些查询表在信号转换期间实时访问,以根据需要检索值。 在一个实现中,由复数符号空间中的复数值表示的二进制数被转换成两个状态变量流:用于偶数符号的一个流和奇数符号的一个流。 另外,第三状态变量流识别每个对应的符号是偶数符号还是奇数符号。 三个状态变量流用于生成地址指针,用于从查找表访问预先计算的过滤器输出值。 然后将加法/减法运算应用于所检索的值,以在调制信号中产生复数样本的实部和虚部。 通过大大减少在调制信号中产生每个复杂样本所涉及的计算,本发明可以用于降低实现调制过程的成本和/或增加输入数据流被过采样的速率,从而减少 调制信号失真。