Ultrasonic diagnosis apparatus
First Claim
1. An ultrasonic diagnosis apparatus comprising:
- a transmission/reception unit for transmitting/receiving ultrasonic waves to/from an object to be examined to obtain an ultrasonic reception signal;
a signal processing unit for executing signal processing of the ultrasonic reception signal obtained by said transmission/reception unit to obtain an ultrasonic image having a predetermined dynamic range;
a conversion unit for converting the ultrasonic image having the predetermined dynamic range obtained by said signal processing unit into an ultrasonic image having a dynamic range different from the predetermined dynamic range, said conversion unit including a plurality of log compressors having different log compression characteristics and selection means for selecting one of said plurality of log compressors to be used for log-compressing the ultrasonic image having the predetermined dynamic range obtained by said signal processing unit; and
a display unit for displaying the ultrasonic image obtained by said conversion unit.
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Abstract
There is disclosed an ultrasonic diagnosis apparatus comprising a transmission/reception unit, a signal processing unit, a conversion unit, and a display unit. The transmission/reception unit transmits/receives ultrasonic waves to/from an object to be examined, thereby obtaining ultrasonic reception signals. The signal processing unit executes signal processing of the ultrasonic reception signals to obtain ultrasonic images. The conversion unit converts an ultrasonic image having a predetermined dynamic image obtained from the object to be examined to which a contrast medium is injected into an ultrasonic image having a dynamic range corresponding to that of the display unit. The display unit displays the ultrasonic image obtained by the conversion unit.
145 Citations
43 Claims
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1. An ultrasonic diagnosis apparatus comprising:
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a transmission/reception unit for transmitting/receiving ultrasonic waves to/from an object to be examined to obtain an ultrasonic reception signal; a signal processing unit for executing signal processing of the ultrasonic reception signal obtained by said transmission/reception unit to obtain an ultrasonic image having a predetermined dynamic range; a conversion unit for converting the ultrasonic image having the predetermined dynamic range obtained by said signal processing unit into an ultrasonic image having a dynamic range different from the predetermined dynamic range, said conversion unit including a plurality of log compressors having different log compression characteristics and selection means for selecting one of said plurality of log compressors to be used for log-compressing the ultrasonic image having the predetermined dynamic range obtained by said signal processing unit; and a display unit for displaying the ultrasonic image obtained by said conversion unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An ultrasonic diagnosis apparatus comprising:
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a plurality of ultrasonic probes used for performing transmission/reception of ultrasonic waves for different portions of an object to be examined; a single transmission/reception unit for driving said plurality of ultrasonic probes to perform transmission/reception so as to obtain ultrasonic images in units of frames each constituted by a plurality of scanning lines; a switch unit for time-divisionally switching combinations of connections between each of said plurality of ultrasonic probes and said transmission/reception unit; a setting unit for setting a region of interest in the ultrasonic images in units of frames; a calculation unit for substantially simultaneously calculating a plurality of temporal change curves of image data in the regions of interest, set by said setting unit, of the ultrasonic images in units of frames; and a display unit for simultaneously displaying temporal change curves calculated by said calculation unit. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. An ultrasonic diagnosis apparatus comprising:
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a transmission/reception unit for transmitting/receiving ultrasonic waves to/from an object to be examined to obtain an ultrasonic reception signal; a signal processing unit for executing signal processing of the ultrasonic reception signal obtained by said transmission/reception unit to obtain an ultrasonic image; setting means for setting a plurality of regions of interest in the ultrasonic image obtained by said signal processing unit; means for substantially simultaneously calculating a plurality of time-density curves of image data in the plurality of regions of interest set by said setting means; and a display unit for simultaneously displaying the ultrasonic image obtained by said signal processing unit and the plurality of time-density curves obtained by said curve calculating means. - View Dependent Claims (23, 24, 25, 26, 27)
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28. An ultrasonic diagnosis apparatus comprising:
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a transmission/reception unit for transmitting/receiving ultrasonic waves to/from an object to be examined to obtain an ultrasonic reception signal; a signal processing unit for executing signal processing of the ultrasonic reception signal obtained by said transmission/reception unit to obtain ultrasonic images in units of frames; a setting unit for setting regions of interest in the ultrasonic images in units of frames obtained by said signal processing unit; a filtering unit for filtering the regions of interest in units of frames set by said setting means; a calculation unit for calculating a temporal change curve of image data in the regions of interest on the basis of image data in the regions of interest in units of frames filtered by said filtering unit; and a display unit for displaying the temporal change curve calculated by said calculation unit. - View Dependent Claims (29, 30, 31, 32, 33)
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34. An ultrasonic diagnosis apparatus comprising:
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a transmission/reception unit for transmitting/receiving ultrasonic waves to/from an object to be examined to obtain an ultrasonic reception signal; a signal processing unit for executing signal processing of the ultrasonic reception signal obtained by said transmission/reception unit to obtain an ultrasonic image having a predetermined dynamic range; a conversion unit for converting the ultrasonic image having the predetermined dynamic range obtained by said signal processing unit into an ultrasonic image having a dynamic range different a display unit for displaying the ultrasonic image obtained by said conversion unit, wherein said conversion unit comprises means for converting an ultrasonic image having the predetermined dynamic range obtained from the object to be examined in which a contrast medium is injected into an ultrasonic image having a dynamic range corresponding to a dynamic range of said display unit. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification