Ultrasonic diagnosing device and ultrasonic diagnosing method
A diagnostic device and ultrasonic technology, which are applied in the directions of sonic diagnosis, infrasound diagnosis, ultrasonic/sonic/infrasonic diagnosis, etc., can solve the problems of difficult diagnosis, uneven dyeing and shadowing of contrast agents, and uneven effects of contrast agents.
Inactive Publication Date: 2007-01-10
HITACHI MEDICAL CORP
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
As a result, the degree of shading by the contrast agent will be uneven at each depth of the region of interest, making accurate diagnosis difficult
In JP-A-11-155858, in order to maximize the received signal of the contrast agent, an ultrasonic device that appropriately controls the transmitted sound pressure is disclosed. However, even in order to maximize the received signal of the contrast agent Large and suitable transmission beams are applied, and the effect of the contrast agent is not uniform in the deep region of interest and the shallower region of interest as described above.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0011] The ultrasonic treatment device of the present embodiment is as figure 1 As shown, it includes a probe 1, a pulse generating circuit 3, a transmitting wave focusing circuit 5, an amplifier 6, a transmitting and receiving separation circuit 7, a switch 9, an amplifier 10, a receiving wave phasing circuit 11, a signal processing unit 13, a memory 15, and a monitor 17. Manipulator 19, control unit 21 constituted by computer, etc.
[0012] As the probe 1, a probe used in a known ultrasonic diagnostic apparatus can be used. For example, like an electronic sector type, a plurality of transducers 23 for transmitting and receiving ultrasonic waves are arranged in a row. The pulse generating circuit 3 is a device that generates an ultrasonic drive pulse (hereinafter referred to as a drive pulse) as a drive signal for driving each vibrator 23 .
[0013] The transmission wave focusing circuit 5 includes a plurality of delay circuits 25 that adjust the supply timing of the drivin...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
A ultrasonic diagnosing device which irradiates and scans an object to be examined with a ultrasonic beam produced by driving a plurality of vibrators 23, and produces and displays the tomographic image of the object based on a ultrasonic wave reflected off this object, wherein a sound pressure regulating means for regulating the sound pressure of a ultrasonic beam during ultrasonic beam scanning is provided so as to be able to make equal the sound pressures of ultrasonic beams 53, 55, 57 in respective regions of interest 47, 49, 51. Therefore, the sound pressures of ultrasonic beams 53, 55, 57 applied to contrast media in respective regions of interest 47, 49, 51 are made constant even when the regions 47, 49, 51 are at different depths to allow contrast media to give the same behavior, whereby uniform contrasting effects are provided in the regions of interest 47, 49, 51.
Description
technical field [0001] The present invention relates to an ultrasonic diagnostic apparatus, and particularly relates to an ultrasonic diagnostic apparatus suitable for performing diagnosis by injecting a contrast medium into a blood vessel or the like of a subject. Background technique [0002] An ultrasonic diagnostic apparatus transmits and receives ultrasonic waves to and from a subject through a probe, and generates tomographic images based on received wave signals including reflected waves from the subject, that is, reflected echo signals, to provide information useful for diagnosis. [0003] Generally, a probe is formed by arranging a plurality of vibrators at equal intervals in a straight line, a curve, or a plane. In addition, a plurality of selected transducers are simultaneously driven to form an ultrasonic beam to scan a diagnostic site in the subject, and a tomographic image is generated based on a reflected echo signal formed by the reflected wave or the like. ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/06A61B8/14A61B8/00B06B1/02B06B3/04
CPCA61B8/0883G10K11/346A61B8/481
Inventor 松村刚
Owner HITACHI MEDICAL CORP