JPH0984787A - Ultrasonic probe water bag device in ultrasonic diagnostic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the wrinkles on the surface of the water bag of a water bag device installed to the head part of an ultrasonic probe which is apt to generate when the water bag is sealed with water being filled therein. SOLUTION: An elastic hollow ring body 4 having prescribed width and outer diameter is installed to a housing bag 3 having water 2 filled therein, and sealed to form a housing bag body 1. This housing bag body 1 is closely fitted to the inner circumferential surface 5c of the hollow body part 5b of a frame body (cassette) 5 in such a manner that the hollow ring 4 is concentric to the body part 5b of the frame body (cassette) 5. A hollow inner annular body 6 having an outer diameter substantially equal to the inside diameter of the hollow ring body 4 installed to the housing bag body 1 is concentrically fitted to the hollow ring body 4. Since the housing bag 2 is thus extended within the width of the hollow ring body 4 when the inner annular body 6 is concentrically fitted to the hollow ring body 4, the wrinkles on the surface of the water bag are also extended, and, therefore, the air between the winkles is also eliminated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic probe water bag device for use in a device for diagnosing osteoporosis using ultrasonic waves.

[0002]

2. Description of the Related Art The applicant of the present invention has previously proposed an ultrasonic diagnosis apparatus for osteoporosis. (Japanese Patent Application No. 6-74323
No.) In order to avoid the possibility of hospital infection due to resistant Staphylococcus aureus (MRSA) as much as possible, this device uses a storage bag filled with water on the head of the ultrasonic diagnostic device probe. The water bag device, which is detachably provided and is in direct contact with the patient's body when diagnosing osteoporosis, is discarded once used and is always replaced with a new water bag device for each patient.

As shown in FIG. 7A, the ultrasonic bag water bag device used in this apparatus is such that the storage bag 2 loaded with water 3 has a frame (cassette) so as to have a protruding portion in the lateral direction. ) 5 is fixed to this frame (cassette) 5
Was attached to the machine frame 10 so that the water bag was in close contact with the outer peripheral surface of the head portion 7a of the ultrasonic probe 7. At this time, as shown in FIG. 7B, the storage bag 2 containing the water 3 is preliminarily loaded with a ring 8 in order to specify the shape of the water bag, and the periphery of the water bag is surrounded by a spacer 9. It was fixed to the frame body (cassette) 5 in the pressed state.

[0004]

However, if the storage bag 2 containing the water 3 is loaded with the ring 8 and the periphery of the ring 8 is pressed by the spacer 9, the storage bag 2 has the following problems. When water 3 and ring 8 are loaded and sealed,
As shown in FIGS. 2C and 2D, some wrinkles 2c are left outside inevitably in the vicinity of the sealed portion 2b. , In this way, while leaving wrinkles on the surface of the water bag, on the head of the ultrasonic probe,
When the water bag is brought into close contact with the calcaneus of the subject and ultrasonic waves are transmitted for measurement, a minute gap is inevitably formed in the wrinkle portion, and air is present in the gap portion. Therefore, there is a drawback that the measured value is inaccurate due to this air.

[0005]

Therefore, the present invention has solved the above problems by adopting the following means.
This will now be described with reference to FIGS. 1 and 5. Water 3
The storage bag 2 loaded with is fixed to a frame body (cassette) 5 so as to have a protruding portion in the lateral direction, and the head body 7a of the ultrasonic probe 7 is a water bag. In a water bag device for an ultrasonic probe in an ultrasonic diagnostic device, which is detachably attached to a machine frame 10 so as to be closely attached to, a storage bag 2 loaded with the water 3 has a predetermined width and outer diameter. The elastic hollow ring body 4 is preloaded and sealed to form the storage bag body 1. And this storage bag 1
Is closely attached to the inner peripheral surface 5c of the hollow body portion 5b of the frame body (cassette) 5, and the hollow ring body 4 is fitted so as to be concentric with the body portion 5b of the frame body (cassette) 5. .
Separately, a hollow inner annular body 6 having an outer diameter substantially equal to the inner diameter of the hollow ring body 4 loaded in the storage bag body 1 is concentrically fitted in the hollow ring body 4.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the drawings. In FIGS. 1 and 5, a storage bag body 1 is composed of a storage bag 2 and a hollow ring body 4. That is, as shown in FIG. 2A, a retractable thin rubber storage bag 2 having one opening is provided with a predetermined width and outer diameter as shown in FIG. The hollow ring body 4 made in advance is mounted in advance, and the storage bag 2 is filled with water 3, and as shown in FIG. 2C, the vicinity of the opening 2a of the storage bag 2 is tied and sealed as a binding portion 2b. It is configured.

The frame body (cassette) 5 is hollow and comprises a collar portion 5a and a body portion 5b. As shown in FIG. 3, a window portion 5e is provided at the center portion of the collar portion 5a. Window 5e
Is for the storage bag 2 to have a protruding portion in the lateral direction, and for transmitting the ultrasonic waves emitted from the ultrasonic probe. On the other hand, the inner peripheral surface 5c of the body portion 5b
The storage bag 1 is attached to the
A protrusion 5d is provided on the outer peripheral surface of b. The width and the outer diameter of the hollow ring body 4 are dimensioned so as to concentrically adhere to the inner peripheral surface 5c of the body portion 5b of the frame body 5 (cassette). As shown in FIG. 4, the inner annular body 6 is hollow, has an outer diameter substantially equal to the inner diameter of the hollow ring body 4, and a width, and is concentrically fitted into the hollow ring body 4. Is.

An example of the device of the present invention is constructed as described above. Next, its operating state will be described.
First, the storage bag body 1 in which the water 3 and the hollow ring body 4 are loaded and hermetically sealed is provided with the inner peripheral surface 5 of the body portion 5b of the frame body (cassette) 5.
Put it in close contact with c in advance and prepare it. The inner annular body 6 is pressed into the hollow ring body 4 mounted in the storage bag 2 of the storage bag body 1 and fitted into the frame body (cassette) 5 thus prepared. Then, the storage bag 2 is sandwiched between the hollow ring body 4 and the inner annular body 6, and since the storage bag 2 is made of contractible rubber, it is stretched to some extent when the inner annular body 6 is inserted. . In addition, the hollow ring body 4
Has elasticity, while the inner ring-shaped body 6 is hard, so that the hollow ring body 4 is expanded. Therefore, as shown in FIG. 2D, the wrinkles 2c near the binding portion 2b of the storage bag 2
Is also fully stretched. As a result, the gap due to the wrinkles in which the air is present disappears. In this way, the prepared water bag device is used by being fixed to the head portion 7a of the ultrasonic probe 7 as shown in FIG. That is, as shown in FIG. 6, when the protrusion 5d provided on the outer peripheral surface of the body portion 5b of the frame body 5 (cassette) is fitted to the notch portion 10a provided on the machine frame 10 and rotated, 5 (cassette) is fixed to the machine casing 10.

When the hollow ring 4 is inserted into the storage bag 2 and then the water 3 is loaded, if the length of the storage bag 2 is sufficiently long, the binding portion 2b of the storage bag 2 shown in FIG. 2 is not formed. While holding the end portion 2c of the storage bag 2 by hand, fit it into the inner peripheral surface 5c of the body portion 5b of the frame body 5 (cassette), and then the inner annular body 6 is concentrically placed in the hollow ring body 4. It can also be fitted into. Even in this case, since the hollow ring body 4 has elasticity, the hollow ring body 4 is pushed and spread by the inner annular body 6 and is interposed between the hollow ring body 4 and the inner annular body 6. Is stretched well and wrinkles do not occur.

[0010]

As described above, according to the present invention, an elastic hollow ring body having a predetermined width and outer diameter is loaded into a storage bag filled with water and hermetically sealed to form a storage bag body. Then, the storage bag body is brought into close contact with the inner peripheral surface of the hollow body portion of the frame body (cassette) so that the hollow ring body becomes concentric with the outer annular body of the frame body (cassette). With the fit
Separately, since a hollow inner annular body having an outer diameter substantially equal to the inner diameter of the hollow ring body loaded in the storage bag body is concentrically fitted in the hollow ring body, as compared with the conventional one, Since wrinkles are completely eliminated, an ultrasonic wave can be transmitted and measured accurately and stably.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of essential parts showing an example of a water bag device for an ultrasonic probe in an ultrasonic diagnostic apparatus of the present invention.

2A and 2B are explanatory views of components constituting the water bag device, in which FIG. A is a sectional view of the storage bag, FIG. A cross-sectional view of the configured storage bag, and D is an enlarged explanatory view of arrow C in FIG.

FIG. 3 is a cross-sectional view of a frame body (cassette).

FIG. 4 is a sectional view of an inner annular body.

FIG. 5 is a cross-sectional view of essential parts when the device of the present invention is attached to the head of an ultrasonic probe.

FIG. 6 is an explanatory view of a main part as seen from the XX section of FIG.

FIG. 7 is an explanatory view showing an example of a conventional water bag device for an ultrasonic probe, of which FIG.

[Explanation of symbols]

 1 Storage bag body 2 Storage bag 3 Water 4 Hollow ring body 5 Frame body (cassette) 6 Inner annular body 7 Ultrasonic probe

Claims (1)

[Claims] 1. A storage bag 2 loaded with water 3 is fixed to a frame body (cassette) 5 so as to have a protrusion in the lateral direction,
In a water bag device for an ultrasonic probe in an ultrasonic diagnostic apparatus in which the frame body (cassette) 5 is detachably attached to the outer peripheral surface of the ultrasonic probe 7, the storage bag 2 loaded with the water 3 is An elastic hollow ring body 4 having a predetermined width and outer diameter is loaded and hermetically sealed to form a storage bag body 1. The storage bag body 1 is a hollow body of the frame body (cassette) 5. The hollow ring body 4 is closely fitted to the inner peripheral surface 5c of the portion 5b so as to be concentric with the body portion 5b of the frame body (cassette) 5, and the hollow ring body 4 is separately loaded into the storage bag body 1. A water bag device for an ultrasonic probe in an ultrasonic diagnostic apparatus, characterized in that a hollow inner annular body 6 having an outer diameter substantially equal to the inner diameter of the ring body 4 is concentrically fitted in the hollow ring body 4. .