Novel intravascular ultrasonic imaging capture card and ultrasonic imaging system

A technology of ultrasonic imaging and acquisition card, which is applied in the directions of ultrasonic/sonic/infrasonic diagnosis, ultrasonic/sonic/infrasonic image/data processing, and acoustic diagnosis. Card transmission rate can not meet and other problems, to achieve the effect of improving data processing performance, reducing the number of chips and wiring, and improving processing speed

Active Publication Date: 2015-08-26
上海爱声生物医疗科技有限公司 +1
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Problems solved by technology

[0006] The purpose of the present invention is to provide a new type of intravascular ultrasonic imaging acquisition card and ultrasonic imaging system to solve the problem that the tran...

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  • Novel intravascular ultrasonic imaging capture card and ultrasonic imaging system
  • Novel intravascular ultrasonic imaging capture card and ultrasonic imaging system

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Embodiment Construction

[0029] In order to better illustrate the present invention, the present invention will be described in detail with a preferred embodiment and with accompanying drawings, specifically as follows:

[0030] Such as figure 1 As shown, the novel intravascular ultrasound acquisition card 101 provided in this embodiment includes an analog front end 110 , an analog-to-digital converter 111 , a TGC circuit 112 , an FPGA (namely field programmable gate array) 113 , a power supply 103 and a RAM 102 . Wherein, the power supply 103 is used to supply power to the entire acquisition card 101 . FPGA113 is connected with random access memory 102, analog-to-digital converter 111, and TGC circuit (Time Gain Controller) 112. In addition, FPGA113 is also connected with host computer 104 outside acquisition card 101, motor drive circuit 105, and pulse generator 109. connected. The analog front end 110 and the pulse generator 109 in the acquisition card are respectively connected to the ultrasonic...

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Abstract

The invention provides a novel intravascular ultrasonic capture card and an ultrasonic imaging system. The capture card comprises an analog front end, an analog-digital conversion device, an FPGA, a power supply and a random access memory. The functions of the FPGA adopted by the ultrasonic capture card include capture control logic, impulse control logic, servo mechanism control logic and access timing sequence and time gain compensation logic. The capture card can achieve ultrasonic excitation and ultrasonic echo signal acquisition, caching, processing and transmission. Furthermore, due to the adoption of FPGA chips integrated with an interface of a PCI-Express bus, the number of chips and the number of lines of a plated circuit are reduced, and the integration level and reliability of the capture card are improved. Due to the interaction between the PCI-Express bus and an upper computer, the performance of the ultrasonic imaging system can well meet current requirements.

Description

technical field [0001] The invention relates to the field of an intravascular ultrasonic system and a data acquisition device thereof, in particular to a novel intravascular ultrasonic imaging acquisition card and an ultrasonic imaging system. Background technique [0002] Existing in-vivo ultrasound imaging systems use ultrasound center frequencies ranging from a few megahertz to tens of megahertz for different detection objects. Due to the high center frequency, there are high requirements for the collection, transmission and processing speed of the collection system. [0003] Most of the traditional in vivo ultrasound systems are based on the computer structure peripheral interconnect bus (PCI). With the continuous development of computer technology, the products are constantly updated. The configuration and structure of computer motherboards have changed, and the PCI bus has gradually been replaced by the PCI-Express bus. Therefore, PCI-compatible subsystem boards are n...

Claims

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Application Information

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IPC IPC(8): A61B8/06
CPCA61B8/085A61B8/0891A61B8/52
Inventor 袁建人陈友伟周文平黎英云
Owner 上海爱声生物医疗科技有限公司
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