JPH0458976B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a fracture detector, and more particularly to a fracture detector that can easily detect fractures using an ultrasonic transducer.

Prior Art Generally, when a bone in an arm or leg is broken, in order to detect the fractured part, an X-ray photosensitive film is placed under the arm or leg, and X-rays are irradiated through the arm or leg. After exposure, the film was developed, and the developed film was illuminated and visually observed to determine the degree of fracture.

However, with this conventional method of using film, it takes time and effort to develop the film.
Even if a fracture occurs, it is not possible to immediately determine the extent of the fracture, so treatment may be delayed, and in the case of a compound fracture, moving the broken arm or leg may worsen the fracture.
The drawback was that recovery was slow.

There are also known systems that directly irradiate X-rays for observation, but it has been reported that radiation damage can occur in the human body if X-rays are irradiated for a long time or if X-rays of a certain intensity are irradiated many times. There were flaws.

Purpose The present invention was made in order to eliminate the drawbacks of the above-mentioned conventional examples, and its purpose is to provide a fracture detector that has a simple configuration and is capable of immediately detecting fractures.

Configuration In order to achieve the above object, the present invention provides a bag body that covers a detected part and is sealed at both ends, a liquid supply circulation device that injects and discharges liquid into the bag body, and a liquid supply circulation device for injecting and discharging liquid into the bag body. A cylindrical cover provided on the outside, a passage provided in a spiral shape inside the cylindrical cover, a slider that slides in contact with a signal path provided in the passage, and a slider that contacts the bag body. The present invention is characterized by comprising a detector having an ultrasonic vibrator, a wheel that is driven in contact with the passage, and a motor that drives the wheel. The configuration will be described below based on embodiments of the present invention.

FIG. 1 shows a cross-sectional view of a fracture detector according to an embodiment of the present invention, in which a bag body 2 that covers the fractured part of an arm 1 and prevents liquid from leaking is provided, and both ends of this bag body 2 are It is fixed to the arm with an adhesive tape 3 or the like, and liquid is prevented from leaking from both ends of the bag body 2. A tube 4 is connected to this bag body 2, and a liquid supply circulation device 5 is connected to this tube 4.
A cylindrical cover 6 is provided on the outside of this bag body 2,
A spiral passage 7 is provided on the inner surface of the cylindrical cover 6, as shown in FIG.
As shown in FIG. 1, this passage 7 is divided by a side wall 8, and a projection 9 is provided at the upper part of the side wall 8 to protrude toward the passage. Moreover, the cylindrical cover 6 has two
The cover parts 6a and 6b are divided into two parts, which are connected by a hinge 11.
the latch 10a provided on the other cover part 6
They are integrated by engaging the lock 10b of b.

The passage 7 configured in the cylindrical cover 6 in this way
The detector 12 shown in FIGS. 3 and 4 runs. This detector 12 has a first wheel 13 that contacts the inside of the protrusion 9 of the side wall 8, a second wheel 14 that contacts the side surface of the side wall 8, and a third wheel 15 that runs on the cylindrical cover 6. and the third wheel 15
The two wheels are the driving wheels. This third wheel 1
The drive wheels of 5 are rotated by a motor (not shown), which may be powered by a battery (not shown) built into the detector 12 or as shown in FIG. As shown in FIG.
A current is passed through the power supply line 16 to the detector 12.
Electric power may be supplied from a slider 18 that slides while being pressed by a spring 17 provided in the slider 18 . The controller 24 also controls the running of the detector 12, and its signals are sent through the power supply line 16. Furthermore, an ultrasonic transducer 19 is provided on the top of the detector 12 and is in contact with the bag body 2. This ultrasonic transducer 19 transmits and receives signals via a signal path 20 provided in the passage 7 and a slider 22 which is pressed against the signal path 20 by a spring 21 and slides. This signal path 20 is connected via a cord 25 connected to the cylindrical cover 6 to a display device 26 containing a transmitter and a receiver, and displays the signal detected by the ultrasonic transducer 19.

Next, the operation of this embodiment will be explained. First, the bag 2 is placed over the broken part, for example, the arm in the illustrated embodiment, and both ends are securely fixed with adhesive tape 3 or the like. Next, the cover parts 6a and 6b are placed over the bag body 2 and locked with the locking members 10a and 10b. Then, the tube 4 is connected to the bag body 2 from the liquid supply circulation device 5.
Put liquid such as disinfectant through the ultrasonic transducer 7.
and the bag body 2 should be in good contact with each other. Then, the detector 12 inserted from the end 7' of the passage 7 of the cover part 6b is driven by the controller 24,
When a pulse signal is transmitted from a transmitter built into the display device 12 to the ultrasonic transducer 19, the ultrasonic transducer 19 generates an ultrasonic wave. The reflected wave of this ultrasound is reflected by the bones of the arm 1, and this reflected wave is received again by the ultrasound transducer 19 and converted into an electrical signal.
The signal is received by a receiver built into the display device 12 and displayed on the display device 12.

Since this embodiment can easily display fractures in this way, it is possible to quickly treat fractures.

In addition, in the above description, the cover parts 6a, 6b
After putting the liquid on the bag body 2, the liquid was poured into the bag body 2. However, after pouring the liquid into the bag body, the cover part 6a,
6b may be covered. Alternatively, the cylindrical cover 6 may be constructed so that it cannot be divided, and the detector 12 may be inserted through an entrance provided in a portion of the cylindrical cover 6. Further, in the explanation of the above embodiment, a battery was used to rotate the motor, but a commercial frequency power source is connected to the controller 24, and the controller 24 is connected to the controller 24.
4, the current may be converted to direct current and passed through the power supply path 16.

Effects As is clear from the above description, the present invention allows fractures to be easily detected using ultrasound by placing an arm or leg inside a bag and running a detector inside a cylindrical cover. It has the advantage of not being harmful to the human body, unlike X-ray fluoroscopy systems.

[Brief explanation of drawings]

Fig. 1 is a sectional view of a bone contact detector according to an embodiment of the present invention, Fig. 2 is an exploded view of the cover shown in Fig. 1, and Fig. 3 is a fracture detector running along the path of the fracture detector shown in Fig. 1. 4 is a front view of the detector of FIG. 3, and FIG. 4 is a side view of the detector of FIG. DESCRIPTION OF SYMBOLS 1...Arm, 2...Bag body, 3...Adhesive tape, 4...Tube, 5...Liquid supply circulation device, 6...Cover, 6
a, 6b...cover part, 7...passage, 8...side wall, 9
...Protrusion, 10a...Latch, 10b...Lock part, 11
...Hinge, 12...Detector, 13...First wheel, 14
...Second wheel, 15...Third wheel, 16...Power supply path, 17...Spring, 18...Slider, 19...Ultrasonic vibrator, 20...Signal path, 21...Spring, 22...Slider, 23... code, 24... controller, 25...
Code, 26...display device.

Claims (1)

[Claims] 1. A bag body that covers the detected part and is sealed at both ends;
A liquid supply circulation device for injecting and discharging liquid into the bag body, a cylindrical cover provided on the outside of the bag body, a spiral passage provided inside the cylindrical cover, and a liquid supply circulation device provided in the passageway. A detector comprising: a slider that slides in contact with the signal path, an ultrasonic transducer that contacts the bag body, a wheel that is driven in contact with the path, and a motor that drives the wheel; Fracture detector consisting of. 2. The bone fracture detector according to claim 1, wherein the detector includes a built-in battery that drives a motor. 3. Fracture detection according to claim 1, wherein the detector is provided with a slider that slides on a power transmission path provided in the passage, and the slider supplies power to the motor. vessel. 4. The fracture detector according to claim 1, wherein the cylindrical cover can be divided into two parts.