专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5474073A Ultrasonic diagnostic scanning for three dimensional display 失效
公开(公告)号：US5474073A
公开(公告)日：1995-12-12
申请号：US343811
申请日：1994-11-22
申请人： Gary A. Schwartz , Patrick R. Pesque , Jens U. Quistgaard
发明人： Gary A. Schwartz , Patrick R. Pesque , Jens U. Quistgaard
IPC分类号： A61B8/06 , A61B8/00 , A61B8/14 , G01B17/00 , G01S7/52 , G01S15/89 , G06T1/00
CPC分类号： G01S7/52077 , A61B8/14 , A61B8/483 , G01S15/8979 , G01S15/8993 , G01S15/8945 , Y10S128/916
摘要： An ultrasonic diagnostic system and scanning technique are described for producing three dimensional ultrasonic image displays utilizing power Doppler signal information. In a preferred embodiment the power Doppler signal information is displayed in the absence of structural (B mode) information to reduce image clutter and provide three dimensional image segmentation. An ultrasonic scanning technique is presented for acquiring diagnostic three dimensional ultrasonic images of power Doppler intensity through manual hand scanning of a patient, without the need for specially fabricated scanning mechanisms or devices.

2. 发明授权

US4714846A Apparatus for the examination of objects with ultra-sound, comprising an array of piezo-electric transducer elements 失效
标题翻译：用于检查具有超声波的物体的装置，包括压电换能器元件阵列
公开(公告)号：US4714846A
公开(公告)日：1987-12-22
申请号：US921982
申请日：1986-10-22
申请人： Patrick R. Pesque , Jean-Marie C. Nicolas
发明人： Patrick R. Pesque , Jean-Marie C. Nicolas
IPC分类号： G01S7/521 , A61B8/00 , B06B1/06 , G01N29/06 , G01S7/52 , H01L41/08
CPC分类号： B06B1/0622 , G01S7/52025 , G01S7/52036 , G01N2291/0289
摘要： An apparatus for the examination of objects with ultrasound, comprising a linear or two-dimensional array (10) of piezo-electric transducer elements (10 (1), . . . , 10 (n)) with a length L and a width W, a stage for the repeated transmission of ultrasonic signals and a stage for the reception and processing of the ultrasonic echoes received. The thickness T of the elements is equal to half the wavelength corresponding to a first frequency F for which there exists, on the two-dimensional diagram of the curves F.multidot.T=f(W/T), or respectively, on the three-dimensional diagram of the curves F.multidot.T=f(W/T, L/T) of the distribution of the resonance frequencies, a first vibratory mode at the said first frequency F and a second vibratory mode at a second frequency equal to or near 2F. The transmission stage incorporates a generator (20) of excitation signals at the first frequency F, the spectrum of these excitation signals excluding at least the second frequency.
摘要翻译：一种用于检查具有超声波的物体的装置，包括具有长度L和宽度W的压电换能器元件（10（1），...，10（n））的线性或二维阵列（10），用于重复发送超声信号的阶段和用于接收和处理所接收的超声回波的阶段。在曲线FxT = f（W / T）的二维图上，或分别在三维图上的元素的厚度T等于对应于存在的第一频率F的波长的一半谐振频率分布的曲线FxT = f（W / T，L / T），所述第一频率F处的第一振动模式和等于或接近2F的第二频率的第二振动模式。传输级包括在第一频率F处的激励信号的发生器（20），这些激励信号的频谱至少排除第二频率。

3. 发明授权

US4883060A Device for eliminating fixed echoes for an ultrasonic echograph 失效
标题翻译：用于消除超声波回波仪固定回波的装置
公开(公告)号：US4883060A
公开(公告)日：1989-11-28
申请号：US215965
申请日：1988-07-06
申请人： Patrick R. Pesque , Odile M. A. Bonnefous
发明人： Patrick R. Pesque , Odile M. A. Bonnefous
IPC分类号： A61B8/14 , G01S7/526 , G01S15/52 , G01S15/89 , H03H15/00 , H03H17/06
CPC分类号： G01S15/52 , H03H15/00 , H03H17/06
摘要： A device for eliminating fixed echoes for an ultrasonic echograph, comprising a first filter (100) which consists on the one hand of M parallel lines i (i=1, . . . , M) which a respective delay (i-1)T, where T is the repetition period of the echograph, and on the other hand of weighting means (101i) for the M lines i, the sum of the coefficients (a.sub.i) applied to said lines being zero and, of an adder (102) for the lines i thus delayed and weighted. In accordance with the invention, at least one second filter (200) which has the same structure as and which is dephased by (M-1)T with respect to the first filter (100) is connected parallel to the first filter (100), the pulse response (h.sub.2 (t)) of the second filter being linked to the pulse response (h.sub.1 (t)) of the first filter as:h.sub.2 (t)=h.sub.1 (m-1)T-t).Application: Measurement and imaging of blood flow speeds by ultrasonic echography.
摘要翻译：一种用于消除用于超声波回波仪的固定回波的装置，包括第一滤波器（100），该第一滤波器（100）一方面由M个并行线i（i = 1，...，M）组成，其中相应的延迟（i-1）T ，其中T是回波图的重复周期，另一方面对于M行i的加权装置（101i），应用于所述行的系数（ai）的和为零，加法器（102）因为我因此推迟和加权。根据本发明，与第一过滤器（100）具有相同结构并被（M-1）T相同的结构的至少一个第二过滤器（200）平行于第一过滤器（100）连接，第二滤波器的脉冲响应（h2（t））与第一滤波器的脉冲响应（h1（t））相关联：h2（t）= h1（m-1）Tt）。应用：通过超声波回波测量和成像血流速度。

4. 发明授权

US4893283A Echo ultrasound system with an improved image sequence rate 失效
标题翻译：回波超声系统具有改善的图像序列率
公开(公告)号：US4893283A
公开(公告)日：1990-01-09
申请号：US280612
申请日：1988-12-05
申请人： Patrick R. Pesque
发明人： Patrick R. Pesque
IPC分类号： G01N29/26 , A61B8/14 , G01S15/89 , G10K11/34
CPC分类号： G01S7/52095 , G10K11/345 , G01S15/8995
摘要： An echo ultrasound imaging system comprising at least one array of elementary transducers, and further comprising an emission stage and a stage for the reception and for the processing of echoes reflected back towards the said array, said reception and processing stage having means for the simultaneous focusing of M ultrasonic beams originating from M different directions; the emission stage has means for the focusing of M ultrasonic beams emitted sequentially in the said M different directions, and during a total duration defined by the sum of the M maximum delays of the M delay laws forming the said M focused beams emitted.
摘要翻译：一种回波超声成像系统，包括至少一个基本换能器阵列，并且还包括用于接收反射回所述阵列的回波的接收和处理的发射级和级，所述接收和处理级具有用于同时聚焦的装置来自M个不同方向的M个超声波束; 发射级具有用于聚焦在所述M个不同方向上顺序发射的M个超声波束的装置，以及在由形成所述发射的所述M个聚焦光束的M个延迟定律的M个最大延迟之和所限定的总时间期间。

5. 发明授权

US4803990A Examining moving objects by ultrasound echograpy 失效
标题翻译：通过超声回波检查移动物体
公开(公告)号：US4803990A
公开(公告)日：1989-02-14
申请号：US900296
申请日：1986-08-25
申请人： Odile M. A. Bonnefous , Patrick R. Pesque
发明人： Odile M. A. Bonnefous , Patrick R. Pesque
IPC分类号： A61B8/06 , A61B8/08 , G01S15/89 , A61B10/00
CPC分类号： G01S15/8979 , A61B8/06
摘要： An apparatus for scanning moving objects, notably flowing blood, by means of ultrasound echography in order to determine movement parameters of such objects. The apparatus comprises at least one ultrasound transducer which is connected to a stage for the periodic transmission of a pulse signal having a predetermined recurrent frequency F=1/T and to a stage for receiving echograpic signals returned to the transducer and for processing the signals received. In accordance with the invention, the apparatus is characterized in that it comprises a digital processing channel which is successively composed of a circit (320) for suppressing fixed echoes, a circuit for estimating flow parameters, a discriminator circuit (360), a device (370) for storage, scan conversion and color encoding, and a display device (312).
摘要翻译：一种用于通过超声波回波扫描来扫描运动物体，特别是流动的血液的装置，以便确定这些物体的移动参数。该装置包括至少一个超声换能器，其连接到用于周期性地传输具有预定频率F = 1 / T的脉冲信号的载物台，并且用于接收返回到换能器的回波信号并用于处理接收的信号。根据本发明，该装置的特征在于它包括数字处理通道，该数字处理通道由用于抑制固定回波的循环（320），用于估计流量参数的电路，鉴频器电路（360），设备 370），用于存储，扫描转换和颜色编码，以及显示装置（312）。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式