Ultrasonic diagnostic imaging with cordless scanhead transmission system

• US 6,113,547 A
• Filed: 11/20/1998
• Issued: 09/05/2000
• Est. Priority Date: 11/20/1998
• Status: Expired due to Term

• Current Assignee: ATL Ultrasound Incorporated
• Original Assignee: ATL Ultrasound Incorporated
• Inventors: Pflugrath, Lauren S., Catallo, Leo R., Hwang, Juin-Jet
• Primary Examiner(s): Lateef, Marvin M.
• Assistant Examiner(s): Imam, Ali M.
• Application Number:
  US09/197,186
• Time in Patent Office: 655 Days
• Field of Search: 600/437, 600/443-447, 600/453, 600/459, 364/108.1, 364/725, 364/606, 364/844, 73/626, 382/128, 382/132
• US Class Current: 600/459
• CPC Class Codes: A61B 8/4472 Wireless probes
• CPC Class Codes: G01S 15/899 Combination of imaging systems with ancillary equipment
• CPC Class Codes: G01S 7/003 Transmission of data between radar, sonar or lidar systems and remote stations
• CPC Class Codes: G01S 7/52079 Constructional features constructional features of transducers B06B; mounting transducers G10K11/00; constructional features of ultrasonic medical diagnostic devices A61B8/44
• CPC Class Codes: G01S 7/5208 with integration of processing functions inside probe or scanhead
• CPC Class Codes: H04W 28/18 Negotiating wireless communication parameters

Abstract

An ultrasonic diagnostic imaging system is provided with cordless scanheads which wirelessly transmit ultrasonic image signals to the imaging system. The transmitted image signals are accompanied by header and trailer information which identify display characteristics of the image signals for accurate processing and display by the ultrasound system, and also delineates discrete units of information such as data for a complete scanline or image frame. Communication protocol headers and trailers are described which define the communication and coding protocols for the transmitted ultrasound information.

Claims

1. An ultrasonic probe which wirelessly communicates with an ultrasound system for display of ultrasonic information acquired by said probe, said probe comprising:

a multielement transducer array which produces ultrasonic image information signals in response to received ultrasonic echoes;

a source of header data providing information characterizing said ultrasonic image information signals; and

a transmitter, responsive to said ultrasonic image information signals and said source of header data which wirelessly transmits ultrasonic image information and header data,

wherein said ultrasound system includes a receiver for receiving said transmitted ultrasonic image information and said header data for display of said ultrasonic image information on the basis of said characterizing information.

2. The ultrasonic probe of claim 1, wherein said transmitter transmits said ultrasonic image information signals as sequences of scanline data, and wherein said header data contains information characterizing individual scanlines.

3. The ultrasonic probe of claim 1, wherein said transmitter transmits said ultrasonic image information signals in sequences of image frame data, and wherein said header data contains information characterizing an image frame.

4. The ultrasonic probe of claim 1, wherein said transmitter transmits said ultrasonic image information signals in sequences of scanline data of an image frame, and wherein said header data contains information characterizing the number and type of scanlines in an image frame.

5. The ultrasonic probe of claim 4, wherein the types of scanlines in an image frame are B mode scanlines, Doppler scanlines, or both.

6. The ultrasonic probe of claim 1, wherein said probe further includes a compression circuit for compressing ultrasonic image data prior to transmission,

wherein said header data characterizes the compression characteristics applied to said ultrasonic image data.

7. The ultrasonic probe of claim 1, further comprising a source of communication protocol data providing information characterizing the type of data transmission employed by said transmitter,

wherein said transmitter is further responsive to said source of communication protocol data for wirelessly transmitting said protocol data for reception by said ultrasound system receiver.

8. The ultrasonic probe of claim 1, wherein said header data comprises information identifying the spatial origin of said ultrasonic image information signals.

9. The ultrasonic probe of claim 8, wherein said transmitter transmits said ultrasonic image information signals as sequences of scanline data, and wherein said header data contains information identifying the spatial origin of individual scanlines.

10. The ultrasonic probe of claim 1, wherein said probe further includes a source of temperature information concerning said probe, and wherein said transmitter further transmits said temperature information to said ultrasound system receiver.

11. The ultrasonic probe of claim 10, wherein said probe further includes an overtemperature shutdown circuit, responsive to said temperature information, which shuts down said probe in the event of an overtemperature condition.

12. The ultrasonic probe of claim 10, wherein said probe further includes an overtemperature shutdown circuit, responsive to a command from said ultrasound system, which shuts down said probe in the event of an overtemperature condition.

13. The ultrasonic probe of claim 1, wherein said transmitter transmits said ultrasonic image information signals in sequences of scanline data which together comprise an image frame, and wherein said header data contains information characterizing said image frame and individual scanlines in said image frame.

14. The ultrasonic probe of claim 1, further comprising a source of data providing information characterizing said probe,

wherein said transmitter is further responsive to said source of probe characterizing data for wirelessly transmitting said probe characterizing data for reception by said ultrasound system receiver.

15. The ultrasonic probe of claim 14, wherein said probe characterizing data is transmitted by said transmitter prior to the transmission of said ultrasonic image information signals.

16. The ultrasonic probe of claim 14, wherein said probe characterizing data comprises data characterizing said transducer array.

17. The ultrasonic probe of claim 1, wherein said header data is transmitted by said transmitter prior to the transmission of the ultrasonic image information to which it relates.

18. The ultrasonic probe of claim 1, wherein said ultrasonic image information is transmitted by said transmitter prior to the transmission of the header data to which it relates.

19. The ultrasonic probe of claim 18, wherein said header data is contained in a trailer.

20. An ultrasonic probe which wirelessly communicates with an ultrasound system for display of ultrasonic information acquired by said probe, said probe comprising:

a multielement transducer array which produces ultrasonic image information signals in response to received ultrasonic echoes;

a source of header data providing information characterizing said ultrasonic image information signals;

a source of trailer data corresponding to said header data; and

a transmitter, responsive to said ultrasonic image information signals and said sources of header and trailer data which wirelessly transmits ultrasonic image information preceded by header data and followed by trailer data,

wherein said ultrasound system includes a receiver for receiving said transmitted ultrasonic image information and said header and trailer data for display of said ultrasonic image information on the basis of said characterizing information.

21. The ultrasonic probe of claim 20, wherein said header data comprises information characterizing an ultrasonic image frame;

and wherein said trailer data comprises a frame trailer.

22. The ultrasonic probe of claim 20, wherein said header data comprises information characterizing the transmission protocol for said ultrasonic image information;

and wherein said trailer data comprises a protocol trailer.

23. The ultrasonic probe of claim 20, wherein said header data comprises information characterizing and ultrasonic image frame and the transmission protocol for said ultrasonic image information;

and wherein said trailer data comprises a frame trailer and a protocol trailer.

24. An ultrasonic probe which wirelessly communicates with an ultrasound system for display of ultrasonic information acquired by said probe, said probe comprising:

a multielement transducer array which produces ultrasonic image information signals in sequences of scanline data in response to received ultrasonic echoes;

a source of header data providing information characterizing said ultrasonic image information signals and information characterizing a wireless communications protocol;

a source of trailer data corresponding to said header data; and

a transmitter, responsive to said ultrasonic image information signals and said sources of header and trailer data which wirelessly transmits a communications protocol header, sequences of scanline data preceded by ultrasonic image information headers, and a communications protocol trailer,

wherein said ultrasound system includes a receiver for receiving said transmitted ultrasonic image information and said header and trailer data for display of said ultrasonic image information on the basis of said characterizing information.

25. The ultrasonic probe of claim 24, wherein the sequences of scanline data which are transmitted following a communications protocol header and preceding an associated communications protocol trailer comprise the scanline data of an ultrasonic image frame.