JPS6232003Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an ultrasonic probe used in an electronic scanning ultrasonic diagnostic apparatus, and more particularly to an improvement in the casing of the probe.

An electronic scanning ultrasound diagnostic device has a plurality of tanzaku-shaped piezoelectric vibrators arranged in a straight line, and electronically moves the position of the driven piezoelectric vibrators in the direction in which the piezoelectric vibrators are arranged. It is used to obtain tomographic images of the subject, and as its performance has improved, it has recently come to the point where it is actually used for diagnosis in hospitals.

FIG. 1 shows an ultrasound probe used in such an electronic scanning ultrasound diagnostic apparatus. In the figure, reference numeral 1 denotes a piezoelectric vibrator group that generates ultrasonic pulses and converts reflected sound waves from within the subject into electrical signals, and includes a plurality of tanzag-shaped vibrators arranged in a straight line. 2 is the main body of the probe, and a circuit such as a multiplexer for selectively driving the piezoelectric vibrator group 1 is built into this part. 3 is a cable connecting the diagnostic device body and the probe;
is a bush that takes out the cable 3 from the main body 2 and protects the cable 3.

In such conventional probes, the cable outlet is waterproof and waterproof, as shown in Figure 2 A and B.
For the purpose of dustproofing, the cable 3 and the main body 2 are integrally formed by adhesive, etc., so if a break occurs in the cable 3, either break the bushing 4 and take out the cable 3, or remove the entire probe. I had no choice but to replace it. For this reason, conventional probes have had major problems in terms of repairability and administration.

The present invention has been devised in view of this point, and eliminates the above-mentioned drawbacks by forming the cable take-out portion to be detachable from the probe body.

An embodiment of the present invention will be described below with reference to the drawings.

3A and 3B are a perspective view and a cross-sectional view, respectively, of a cable outlet employing the present invention.
As is clear from the figure, the cable 3 is fixed to the probe body 2 with screws 6 and is attached to a removable bush 5.
It is connected to the main body 2 via. A packing 7 is inserted between the bushing 5 and the main body 2,
Prevents dust and liquid from entering the inside of the probe. If the cable outlet is structured like this,
Since the cable 3 can be easily removed from the main body 2, it is very easy to repair the cable when it is broken, and the packing effect prevents dust and liquid from entering the inside of the probe.

FIGS. 4 and 5 show other embodiments of the cable outlet employing the present invention. In the embodiment shown in FIG. 4, connectors 8 and 9 for connecting the cable 3 and the circuit built into the probe 2 are formed inside the bush 5 of the cable outlet and on the case of the main body 2, respectively. ing. If the cable take-out portion is constructed in this way, the cable 3 can be removed from the probe body 2 at the same time as the bush 5 is removed, so that repairability is further improved. FIG. 5 shows an embodiment in which the bushing is of a screw-in type. As shown in the figure, the inner surface of the bush 10 is threaded, and the bush 10 is attached to the cable take-out part of the probe body 2, and by screwing it into the cylindrical part 11 that is threaded on the outside, the cable can be taken out. Attachment and detachment of the parts can be made easier. Note that 7 is a gasket, which, at the same time as in the case of FIG. 3, prevents dust and liquid from entering the probe.

As explained above, the present invention makes it possible to easily take out the cable from the main body by making the cable take-out part of the ultrasonic probe removable from the main body of the probe. This makes it possible to provide a probe with excellent performance and economy.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a conventional ultrasound probe; Figure 2 is a perspective view of a conventional ultrasound probe;
Figure A is a perspective view of a conventional cable outlet, Figure 3B is a cross-sectional view, Figure 3A is a perspective view of a cable outlet of an ultrasound probe according to an embodiment of the present invention, and Figure 3B is a cross-sectional view , FIG. 4, and FIG. 5 are cross-sectional views of the cable outlet of other embodiments of the present invention. 1... Piezoelectric vibrator group, 2... Probe body, 3...
...cable, 4, 5...button, 6...screw,
7...Putskin, 8,9...Connector, 10,
11...Screw-in type bushing.

Claims (1)

[Claims for Utility Model Registration] (1) A probe body containing a plurality of piezoelectric vibrators, a cable outlet detachably attached to the probe body, and the probe body and the cable. An ultrasonic probe comprising: a gasket inserted between the extraction part and the extraction part. (2) The ultrasonic probe according to claim 1 of the utility model registration claim, characterized in that a connector is built into the cable outlet. (3) The ultrasonic probe according to claim 1 of the utility model registration, characterized in that the cable outlet is of a screw-in type.