Device for actuating and reading a group of ultrasound transducers for ultrasound computer tomography, and ultrasound computer tomography machine

An ultrasonic converter, tomography technology, applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, ultrasonic/sonic/infrasonic diagnosis and other directions

Active Publication Date: 2020-05-29
KARLSRUHER INST FUR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] Despite the improvements due to the devices described above, many challenges remain unsolved in the field of c...

Method used

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  • Device for actuating and reading a group of ultrasound transducers for ultrasound computer tomography, and ultrasound computer tomography machine
  • Device for actuating and reading a group of ultrasound transducers for ultrasound computer tomography, and ultrasound computer tomography machine
  • Device for actuating and reading a group of ultrasound transducers for ultrasound computer tomography, and ultrasound computer tomography machine

Examples

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Embodiment Construction

[0071] figure 1 A block diagram of a device 110 for actuating and reading a set of ultrasonic transducers according to the invention is shown, wherein, for simplicity of illustration, figure 1 Only a single ultrasound transducer 112 is shown. exist figure 2 A preferred exemplary embodiment of actuating and reading multiple ultrasound transducers 112 is shown in , which shows a block diagram of a multiplexer unit 114 configured for this purpose.

[0072] Such as figure 1 As shown, an apparatus 110 for actuating and reading a set of ultrasonic transducers 112 has a common substrate 116 configured to house electronic components. The common substrate 116 has a first region 118 and a second region 120 electrically separated therefrom, wherein the separation 122 of the first region 118 from the second region 120 is achieved by an n-well (not shown). The separation 122 of the two regions 118 , 120 by the n-well can in particular protect the low voltage components on the second r...

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Abstract

The invention relates to a device (110) for actuating and reading a group of ultrasound transducers (112) for ultrasound computer tomography, comprising a common substrate (116) having a first region(118) as an input channel (124) and a second region (120), which is electrically separated from the first region by means of n troughs, as an output channel (126); at least one high-voltage signal input (128) on the first region for receiving analog high-voltage signals; at least one high-voltage amplifier (132), which has high-voltage CMOS semiconductor components, on the first region (118) for receiving and amplifying the analog high-voltage signals; at least one group of ultrasound transducers (112) on the first region (118), wherein at least one of the ultrasound transducers (112) is designed to generate ultrasound signals during a transmission phase, and at least one of the ultrasound transducers (112) is designed to receive ultrasound measurement signals (140); at least one multiplexer (156) for combining ultrasound measurement signals (140) from at least two different ultrasound transducers (112) into a common measurement signal (148); at least one low-noise low-voltage pre-amplifier (152), which has CMOS semiconductor components, on the second region (120) for receiving the measurement signal (148); at least one output switch (150) on the second region (120) for canceling the application of the measurement signal (148) to the low-voltage pre-amplifier (152) at least during the transmission phase; and at least one low-voltage signal output (154) for transmitting a pre-amplified measurement signal (148) to an external control and analysis unit (212).

Description

technical field [0001] The invention relates to a device for actuating and reading a set of ultrasound transducers for ultrasound computed tomography, and to an ultrasound computed tomography machine comprising at least one device of this type. Ultrasound computed tomography machines are particularly suitable for use in ultrasound-based imaging methods for the early detection of breast cancer. Other purposes of use are equally possible, especially in non-destructive material testing or testing techniques. Background technique [0002] An ultrasound computed tomography machine which can be used for medical examinations comprises in particular at least one ultrasound head with at least one ultrasound transducer and at least one control and evaluation unit which transmits control signals for the ultrasound transducer and receives The measurement signal is received at the sensor as an electrical signal, which is amplified and forwarded to the control and evaluation unit, in par...

Claims

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Application Information

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IPC IPC(8): G01S7/52A61B8/08A61B8/13A61B8/00B06B1/06G01S15/89
CPCA61B8/0825A61B8/13A61B8/406G01S7/52025G01S7/52046G01S15/8915B06B1/0215B06B2201/55
Inventor I·佩里克M·扎普夫H·杰玛克R·莱伊斯
Owner KARLSRUHER INST FUR TECH
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