JPS60176635A - Endoscope probe - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention 1] The present invention relates to an endoscope probe incorporating an array of vibrators at the end of an endoscope barrel.

[Technical cost of the invention] A tomographic image of the heart using ultrasound? When performing an ultrasound examination, an ultrasound probe is placed in contact with the body surface of the subject to transmit and receive ultrasonic waves (although in this case, the presence of the lungs, bones, etc. Therefore, a good quality IfJi layer image cannot be obtained.

For this reason, it is common practice to obtain a tomographic image by inserting an endoscopic probe with a retracted oscillator for transmitting and receiving ultrasonic waves into the esophagus of a subject.

An example of the configuration of a conventional endoscopic probe is shown in FIG.

The endoscope probe 1 shown in the figure has an end 2 of an endoscope outer cylinder 2.
A], the array-shaped transducers 3 of the ultrasonic probe are arranged in parallel, and the transducers 3 are connected to the operating wire 4.a along with the ends 2a. a, 4. b to change the scanning direction and obtain a tomographic image of the heart.

"Problems with Background Art" However, as shown in the figure, in the endoscope probe 11 described above, the scanning direction of the ultrasonic beam is fixed in a certain direction with respect to the endoscope outer barrel 2, for example, in a parallel direction (Y On the other hand, when applying an ultrasound beam to the heart, it is necessary to observe cross sections in two directions, the long and short axes of the heart, which are perpendicular to each other. When operating the endoscopic probe 1 in the interior, the operating angle is limited, making it difficult to obtain 1lJifVJ images in the two directions.

[Object of the Invention] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an endoscopic probe that can easily manipulate tomographic images of the heart in two directions. [What is spelled as 1-
There is C.

[Summary of the Invention] The outline of the present invention for achieving the above object is to provide an endoscope probe in which a noarray-shaped vibrator is installed at the end of an endoscope outer barrel, in which the vibrator is The device is characterized in that it is arranged at a predetermined angle with respect to the end portion.

[Embodiments of the invention] An embodiment of the present invention will be described below with reference to FIG.

In addition, as shown in FIG. 1, parts with the same function are designated with the same number 79. In FIG. The transducer 3 of the ultrasonic probe is arranged at a predetermined angle θ (0<θ<90°) with respect to the end 2a of the ultrasonic probe. Furthermore, f
Cables for transmitting the excitation signal of the vibrator 3 and the superblind wave signal converted by the vibrator 3 are omitted for the sake of brevity.

Next, the operation of the endoscopic probe 10 in the upper air configuration is shown in FIG.
) and (b), the operation will be explained with reference to the diagrams shown in (b).

When using the same Y direction as shown in FIG. 1 as the scanning direction of the ultrasound beam by the endoscope probe 10, pull the operating wire 4a and loosen the operating wire/Ib to remove the endoscope from the outside. Bend the end 2a of the cylinder 2 by an angle θ.

Due to this operation, the transducer 3 also moves by the angle θ, and the scanning direction of the ultrasonic beam also changes from the original 7 as shown in FIG.
direction to the Y direction shown in FIG. 3<a>.

In addition, if you want to obtain the scanning direction in the X direction that is perpendicular to the Y direction, use the operation wave 1 in the opposite direction to the above operation.
74b, then loosen A74a and bend the end 2a by an angle (90°-θ).

With this operation, the transducer 3 G fr, + degree (90°-θ
>, and the scanning direction is also from the Z direction to the 3rd direction as shown in Figure 2.
It changes in the X direction shown in the figure (])).

In this way, the Y directions are perpendicular to each other.

The two scanning directions in the X direction can be set by a slight operation of the operating wires 4a and /lb, allowing tomographic images of the heart in both long- and short-axis directions to be obtained without placing any burden on the esophageal tube wall. A simple operation C11 can be performed.

For example, in the above embodiment, if the angle θ-/Ib° is returned, the Y direction and the X direction are set by bending the end portion 2a by 45 degrees.

It goes without saying that the present invention is not limited to the embodiments described above, and that various modifications can be made within the scope of the invention.

[Effects of the Invention] According to the present invention as described above, it is possible to obtain tomographic images in both the long axis and short axis directions of the heart by placing d3 in the esophagus with a small diameter t1, making it extremely difficult to operate. ] Provides 111 endoscopes [
1.

[Brief explanation of the drawing]

Figure 1 shows a conventional endoscopic brogue.
FIG. 2 is a partial sectional view showing an embodiment of the present invention, z Q I
VI / * 1 / h I L-P X h 2:
' h Mu 3 (/7'l ”j-111h if
; It is an explanatory diagram of the operation of If.

Claims (1)

[Claims] An endoscopic probe in which an array of transducers is incorporated in an end of an endoscope outer cylinder, characterized in that the transducer is arranged at a predetermined angle with respect to the end. Endoscope probe.