close

Вход

Забыли?

вход по аккаунту

?

JPS60142839

код для вставкиСкачать
Patent Translate
Powered by EPO and Google
Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JPS60142839
[0001]
TECHNICAL FIELD The present invention relates to a screening probe for an ultrasonic
diagnostic apparatus. In particular, the present invention relates to a screening probe which has
a plurality of depth ranges and can obtain a clear image regardless of the depth from the body
surface. [Description of the Prior Art] The probes used so far for screening of the ultrasonic
diagnostic apparatus have different purposes for probing, and the focal length in the thickness
direction of the acoustic lens varies depending on the purpose. For example, if the focal length is
30 cranes for the carotid artery, the focal length is Loomm for obstetrics and gynecology, or the
focal length is 60 m for intravaginal use, the target diagnostic point The focal length is
individually different depending on When screening with a probe having a focal length
individually as described above, first, the depth of the affected area from the body surface is
estimated according to the medical condition of the patient, and then the probe of a focal length
comparable to that depth is detected. The child is selected and attached to the device for
screening. If the image of the target affected area is clear, the observation is continued as it is,
but if the image is not clear, the depth of the affected area is estimated again by the definition of
the image. I have to reselect my tentacle. In general, the depth of the affected area is different
depending on the patient, and in the case of a conventional probe having only one focal length, it
is necessary to stay at constant depth observation and replace the probe each time the image is
blurred. Not only replacement work but also many probes with different focal lengths need to be
prepared, which leaves time-consuming and expensive problems. [Object of the Invention] The
present invention comprises a plurality of acoustic lenses and electro-acoustic transducers in one
probe, and brings the affected area from the body surface side to the deep part into contact
without replacing the probe. An object of the present invention is to provide a screening probe of
an ultrasonic diagnostic apparatus which can be made to be clear as a clear image by changing a
place. According to the present invention, in the probe of an ultrasonic diagnostic apparatus in
03-05-2019
1
which a large number of electroacoustic transducers are arranged on the surface and an acoustic
lens is disposed on the electroacoustic transducers, the acoustic lens is: It is characterized in that
partial focal lengths thereof are configured to be different, and a single probe can obtain a clear
image regardless of the depth of the affected part in the body. That is, the probe of the ultrasonic
diagnostic apparatus is provided with an acoustic lens having different focal lengths of two or
more stages and an electroacoustic transducer, and the diagnostic apparatus main body is made
to read the focal length of each of them. It is characterized in that a means for changing the
scanning direction is provided, and the affected area can be clearly visualized one after another
by moving it on the surface of the patient's body.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a probe of an ultrasonic diagnostic
apparatus according to an embodiment of the present invention will be described based on the
drawings. FIG. 1 is a block diagram of a probe of an ultrasonic diagnostic apparatus according to
an embodiment of the present invention, FIG. 2 is an external view of an ultrasonic diagnostic
apparatus probe according to an embodiment of the present invention, and FIG. It is a figure
which shows the image drawn using the probe of an apparatus. In FIG. 1, ta + is a side view of the
probe, (bl is a front view, (C1 is a bottom view, but the probe of the present invention is an
acoustic lens in a portion in contact with the patient's body surface) The acoustic lens 1 includes
an acoustic lens 1a having a focal length fx = 120 + w each having an effective field of view L =
42 mm, an acoustic lens 1b having f2 = 80 cranes, and an acoustic lens 1c having fi = 40 cranes.
It is divided into steps. The piezoelectric element 2 is fixed to the upper surface of the acoustic
lens 1, and the acoustic absorber 3 is fixed to the upper surface of the piezoelectric element 2.
FIG. 2 shows the appearance of this probe, and the acoustic lens 1 described above, the
piezoelectric element 2 and the acoustic absorber 3 are incorporated in the housing 4 and the
signals detected by this probe Are connected to be transmitted by the cable 5 to an ultrasonic
diagnostic apparatus (not shown). Although the detection signal from the probe of the present
invention configured in this way renders an image on a display outside the figure, FIG. 3 explains
the image, and Af, Bf, and Cf respectively indicate electronic focus. And D represents the focal
point in the thickness direction by the acoustic lens l, ie, the depth from the body surface, and the
range A, B, C indicated by the dotted line surrounding it is the most image at that focal distance
Shows the range that looks beautiful. For example, if a patient's body surface is screened with
this probe, depending on the contact position of the probe, the region in contact with the range K
in FIG. The site | part which touches the range of -110 mm and M can observe the depth of 10 u70 square clearly. Therefore, by providing a plurality of sets of acoustic lenses and electroacoustic transducers in the range where the distance ranges slightly overlap, it is not necessary
to replace the probe each time the image is unclear, and from planar in-vivo observation to threedimensional It is possible to perform in-vivo observation and to further enhance the screening
function. Although the focal length of the acoustic lens is divided into three stages in the example
probe of the present invention, the present invention is not necessarily limited to this, and the
present invention may be implemented with two or four or more stages. Can. As described above,
03-05-2019
2
according to the present invention, the probe used in the ultrasonic diagnostic apparatus is
provided with a plurality of sets of acoustic lenses having different focal lengths, regardless of
the depth from the body surface, By changing the place where the probe is in contact, a clear
image can be obtained, which eliminates the need to replace the probe by depth, reducing the
time for screening and the cost of preparing an extra probe. There are many good effects such as
can.
[0002]
Brief description of the drawings
[0003]
FIG. 1 is a block diagram of an ultrasonic diagnostic apparatus according to an embodiment of
the present invention.
FIG. 2 is an external view of an ultrasonic diagnostic device probe according to an embodiment of
the present invention. FIG. 3 is a view showing an image rendered using a probe of an ultrasonic
diagnostic apparatus according to an embodiment of the present invention. l, la, lb, lc ... acoustic
lens, 2 ... piezoelectric element, 3 ... acoustic absorber, 4 ... housing, 5 ... cable. Patent Assignee
Yokogawa Medical Systems Co., Ltd. Attorney Attorney Ide Naotaka
03-05-2019
3
Документ
Категория
Без категории
Просмотров
0
Размер файла
11 Кб
Теги
jps60142839
1/--страниц
Пожаловаться на содержимое документа