CN201759585U

CN201759585U - Embedded type B-mode ultrasonic diagnosis equipment

Info

Publication number: CN201759585U
Application number: CN201020296374XU
Authority: CN
Inventors: 胡坤; 王国宾; 周东旭; 王兰芳
Original assignee: Contec Medical Systems Co Ltd
Current assignee: Kangtai medical system (Qinhuangdao) Limited by Share Ltd
Priority date: 2010-08-19
Filing date: 2010-08-19
Publication date: 2011-03-16
Anticipated expiration: 2020-08-19

Abstract

The utility model relates to embedded type B-mode ultrasonic diagnosis equipment comprising a shell and a displayer, wherein the shell is internally provided with a signal acquisition and processing circuit that consists of eight A/D conversion circuits, and an FPGA (Filed Programmable Gate Array) chip and an ARM 9 chip; the FPGA chip is connected with a dynamic storage; the eight A/D conversion circuits receive ultrasonic signals from a probe; the output of the eight A/D conversion circuits is connected to a data input port of the FPGA chip; a control port of the FPGA chip is connected with a control port of the ARM9 chip; and a data port of the ARM9 chip is connected with a data port of the FPGA chip that is connected with the displayer. The embedded type B-mode ultrasonic diagnosis equipment has the following benefits: as multiple processors are adopted for cooperative work and an embedded operation system is adopted, the modularization, scalability and real-time performance are good, the communication capability is powerful, the interface is varied and attractive, the performance of the whole B-type ultrasonic system is led to be more stable, and the system halted phenomenon can be avoided when the equipment is in normal work.

Description

Embedded B-mode ultrasonic diagnostic device

Technical field

This utility model belongs to Medical Instruments, and particularly a kind of embedded B-mode ultrasonic diagnostic device is a kind of Type B ultrasonic diagnostic equipment that includes embedded OS.

Background technology

Digital B type diasonograph has no wound, advantage such as simple and easy to do, inexpensive relatively, more and more is widely used in clinical.It with technological incorporation such as ultrasonic technology, microelectric technique, computer technology, Machine Design and manufacturing and biomedical engineerings together.At present, known digital B type diasonograph is by the front end signal collecting part that comprises probe, supervisory keyboard, prime controller with comprise that the signal processing of function keyboard, CPU, memorizer, display constitutes.Its groundwork process is: at first receive the order that the user sends by supervisory keyboard at the front end signal collecting part, the prime controller is launched ultrasound wave and is received echo-signal according to order control probe then, CPU carries out processing in early stage, post-processed, composograph respectively, last display image.Therefore, scanning, processing in early stage, post-processed by a real-time cpu clock control, comprise that DSC handles and the video image processing system of smoothing, show algorithm process and demonstration that conventional content, markup information, each section office need simultaneously, the storage of image, playback, the control of keyboard etc. is also finished by CPU, and over-burden owing to CPU, so the real-time of whole system, reliability and compatible relatively poor the phenomenon that crashes can occur when operate as normal.

Summary of the invention

The purpose of this utility model is to provide a kind of embedded B-mode ultrasonic diagnostic device, and this equipment adopts real-time, reliability and the compatibility of multiprocessor collaborative work raising system, the phenomenon that crashes can not occur when operate as normal.

To achieve these goals, the technical solution of the utility model is:

A kind of embedded B-mode ultrasonic diagnostic device, comprise housing and display, signals collecting and treatment circuit are installed in housing, described signals collecting and treatment circuit comprise 8 road A/D change-over circuits, fpga chip and ARM9 chip, fpga chip is connected with dynamic memory, described 8 road A/D change-over circuits receive the ultrasonic signal from probe, the output of described 8 road A/D change-over circuits is connected to the data input port of fpga chip, the control mouth of described fpga chip is connected with the control mouth of ARM9 chip, the data port of ARM9 chip connects the data port of fpga chip, and fpga chip connects display.

Described dynamic memory comprises the SDRAM memorizer that is used for image reproducing, the SRAM memorizer that is used for data operation and the SRAM memorizer that is used for the storage frame image.

Described fpga chip inside be linked in sequence and be provided with data reception module, be used to regulate echo-signal intensity the variable aperture control module, obtain the focusing time-delay laminating module of a line beam data, make an uproar every landing vertically processing module, dynamic filtering module, envelope detection module and logarithmic compression module.

Described fpga chip inside also further is provided with the Clock management module, and the clock of described Clock management module output has 20MHZ, 40MHZ, 50MHZ, 80MHZ.

The beneficial effects of the utility model are: this utility model adopts the multiprocessor collaborative work, adopt embedded OS, modularity and scalability, real-time performance are good, communication capacity is powerful, the interface is enriched attractive in appearance, make that whole B ultrasonic systematic function is more stable, when operate as normal, the phenomenon that crashes can not occur.

Below in conjunction with drawings and Examples this utility model is done further detailed description.

Description of drawings

Fig. 1 is this utility model system construction drawing;

Fig. 2 is the graph of a relation of each module in this utility model fpga chip.

The specific embodiment

A kind of embedded B-mode ultrasonic diagnostic device embodiment, comprise housing referring to Fig. 1 and Fig. 2, display is installed on the housing, signals collecting and treatment circuit are installed in housing, described signals collecting and treatment circuit comprise 8 road A/D change-over circuits 1, fpga chip 2 and ARM9 chip 3, fpga chip is connected with dynamic memory, described 8 road A/D change-over circuits receive the ultrasonic signal from probe 4, the output of described 8 road A/D change-over circuits is connected to the data input port of fpga chip, the control mouth of described fpga chip is connected with the control mouth of ARM9 chip, the data port of ARM9 chip connects the data port of fpga chip, and fpga chip connects display 5.

Described dynamic memory comprises the SDRAM memorizer 6 that is used for image reproducing, the SRAM memorizer 7 that is used for data operation and the SRAM memorizer 8 that is used for the storage frame image.

Described fpga chip inside be linked in sequence and be provided with data reception module 201, be used to regulate echo-signal intensity variable aperture control module 202, obtain the focusing time-delay laminating module 203 of a line beam data, make an uproar every landing vertically processing module 204, dynamic filtering module 205, envelope detection module 206 and logarithmic compression module 207.

Described fpga chip inside also further is provided with Clock management module 208, and the clock of described Clock management module output has 20MHZ, 40MHZ, 50MHZ, 80MHZ.

Include 7 groups of independently high-speed gears in the described variable aperture control module, include 7 independently high-speed adders in the described focusing time-delay laminating module, the described processing module of making an uproar every landing vertically includes the FIR band filter of 2-9MHz, described dynamic filtering module includes the FIR band filter, and described envelope detection module includes 3MHz32 rank FIR band filter.

The model that ARM9 adopts among the embodiment is 2440 of a Samsung, and FPGA selects the XC3S700A of Xilinx company Sparta's series for use.

ARM9 installs embedded OS among the embodiment, finishes the stack of auxiliary displaying contents, markup information etc., algorithm process and demonstration that each section office needs, controls such as the storage of image, playback.The plug-in several RAM chip of FPGA is used for depositing cineloop, measures and calculate and the frame storage.ARM9 is used for the inline operations system, the planning video clip, FPGA resolves the front-end processing order, and pass through digital image processing techniques in inside, realize Flame Image Process such as image interpolation, coordinate transform, frame are correlated with, line is relevant, ARM9 and FPGA real-time Communication for Power, the operation of supervision and management FPGA inside, ARM9 realizes the function control of part button simultaneously.

FPGA prime processing effect is exactly to launch and accept ultrasonic signal, and the most primary echo-signal is used complicated digital signal processing algorithm in FPGA, restores original image.The back level signal processing of whole system adopts ARM9 system and FPGA associated treatment, the inner embedded OS of implanting of ARM9, what level was handled behind processing capacity button and the FPGA communicates by letter, the interface of FPGA and ARM9 display part adopts the liquid crystal interface of ARM9, the read-write operation sequential of read-write sequence imitation liquid crystal.FPGA only is responsible for back level treatment of picture like this, and the operation of system is handled with regard to the embedded OS of handing to ARM9 inside.In addition, ephemeral data such as frame storage or measurement data are deposited in FPGA control.Together ultrasonoscopy is shown on the CRT monitor by FPGA and ARM9 at last.

Claims

1. embedded B-mode ultrasonic diagnostic device, comprise housing and display, signals collecting and treatment circuit are installed in housing, it is characterized in that, described signals collecting and treatment circuit comprise 8 road A/D change-over circuits, fpga chip and ARM9 chip, fpga chip is connected with dynamic memory, described 8 road A/D change-over circuits receive the ultrasonic signal from probe, the output of described 8 road A/D change-over circuits is connected to the data input port of fpga chip, the control mouth of described fpga chip is connected with the control mouth of ARM9 chip, the data port of ARM9 chip connects the data port of fpga chip, and fpga chip connects display.

2. according to the described embedded B-mode ultrasonic diagnostic device of claim 1, it is characterized in that described dynamic memory comprises the SDRAM memorizer that is used for image reproducing, the SRAM memorizer that is used for data operation and the SRAM memorizer that is used for the storage frame image.

3. according to the described embedded B-mode ultrasonic diagnostic device of claim 1, it is characterized in that, described fpga chip inside be linked in sequence and be provided with data reception module, be used to regulate echo-signal intensity the variable aperture control module, obtain the focusing time-delay laminating module of a line beam data, make an uproar every landing vertically processing module, dynamic filtering module, envelope detection module and logarithmic compression module.

4. according to the described embedded B-mode ultrasonic diagnostic device of claim 1, it is characterized in that described fpga chip inside also further is provided with the Clock management module, the clock of described Clock management module output has 20MHZ, 40MHZ, 50MHZ, 80MHZ.