CN215128997U - Automatic ultrasonic detection device for aqueous medium - Google Patents
Automatic ultrasonic detection device for aqueous medium Download PDFInfo
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- CN215128997U CN215128997U CN202121405531.0U CN202121405531U CN215128997U CN 215128997 U CN215128997 U CN 215128997U CN 202121405531 U CN202121405531 U CN 202121405531U CN 215128997 U CN215128997 U CN 215128997U
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- ultrasonic probe
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Abstract
The utility model discloses an automatic ultrasonic detection device for water medium, which comprises a water tank, a screw rod and a horizontal guide rod, wherein the screw rod and the horizontal guide rod are arranged in the water tank, the end part of the screw rod penetrates through the side wall of the water tank, and a motor for driving the screw rod to rotate is arranged on the outer side surface of the water tank; the ultrasonic probe fixing device is characterized by further comprising a sliding arm, wherein the left end of the sliding arm is arranged on the horizontal guide rod and the screw rod, the right end of the sliding arm is provided with a vertical notch for mounting an ultrasonic probe, and a threaded handle for fixing the ultrasonic probe is arranged on the side wall of the vertical notch; the laser ranging device is characterized by further comprising a vertical plate arranged on the sliding arm, wherein a laser range finder is arranged on the vertical plate, and the laser emitting direction of the laser range finder is parallel to the horizontal guide rod. The utility model uses water as the medium of ultrasonic detection, the ultrasonic probe is not in direct contact with the skin, and the ultrasonic probe can not extrude the skin in the detection process, thereby avoiding the problem that the cephalic vein is extruded and deformed by the ultrasonic probe, and improving the accuracy of the detection result; and the device can be used for measuring the vein to obtain a clearer image.
Description
Technical Field
The utility model relates to a medical device, in particular to ultrasonic testing device.
Background
The radial artery-cephalic vein internal fistula is a preferred path for hemodialysis of a patient with renal failure, a cephalic vein is matched with a radial artery operation before the operation, the inner diameter of the cephalic vein and proper position selection are critical to the success rate of fistula formation, if the measurement of the inner diameter of the cephalic vein is inaccurate, the fistula formation operation fails, and if the position selection of the cephalic vein is too high, the cephalic vein resources of the later-stage re-fistula formation are wasted.
The traditional method for measuring the internal diameter of the head vein is to directly contact the skin to measure after the ultrasonic probe is smeared with the couplant, but the position of the head vein is shallow, so that the head vein is easily deformed by the pressure of the ultrasonic probe of an operation doctor, the measurement of the internal diameter of the head vein is inaccurate, and the measurement value is possibly smaller. The results of two measurements performed by the same doctor and two measurements performed by different doctors have large difference and poor operation repeatability, which affects the success rate of the later operation.
Moreover, the position of the cephalic vein is shallow, the distance between the cephalic vein and the ultrasonic probe is short, and the cephalic vein is positioned in the near field of ultrasonic waves, so that the image quality is poor, and the measurement is inaccurate. The wrist is uneven because of the human body shape, the ultrasonic probe can not be in good contact with the wrist skin, and the tissue range which can be displayed by ultrasonic is limited.
In addition, ultrasound testing is also used to detect median nerve stiffness. The hardness of the median nerve can be changed due to diseases such as carpal tunnel syndrome and peripheral neuropathy caused by diabetes, so that the measurement of the hardness of the median nerve is particularly important for diagnosing and evaluating the diseases. Shear wave elastography is a new technology for measuring median nerve hardness, but in the measuring process, the requirements on an operator are high, the probe of the operator is required to be stable, and the pressure action on the skin cannot be generated, because if the probe generates the pressure action on the median nerve, the median nerve pre-hardness is increased, so that the measured value has errors and inaccuracy. The median nerve is positioned on the superficial surface of the skin, is very close to the skin and is easily stressed by the pressure of the probe, and the pressure used by different operators is different, so the pre-hardness of the median nerve is different, and the final measured value is inaccurate and unstable. Meanwhile, in the measuring process, an operator needs to keep the ultrasonic probe stable, does not press the skin as much as possible, keeps long-time observation, and is easy to fatigue arms.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an automatic ultrasonic testing device of aqueous medium to solve the mode that adopts ultrasonic probe to scribble direct contact skin detection head vein internal diameter and median nerve hardness after the couplant, measuring result error is big, the easy tired technical problem of scheduling of operator.
The utility model discloses an automatic ultrasonic detection device for water medium, which comprises a water tank, a screw rod and a horizontal guide rod which are arranged in the water tank and the end parts of which are penetrated on the side wall of the water tank, wherein the screw rod and the horizontal guide rod are parallel to each other, and a motor for driving the screw rod to rotate is arranged on the outer side surface of the water tank;
the automatic ultrasonic detection device for the water medium further comprises a sliding arm, the left end of the sliding arm is arranged on the horizontal guide rod and the screw rod, the sliding arm is in sliding fit with the horizontal guide rod, and the sliding arm is in threaded fit with the screw rod; the right end of the sliding arm is provided with a vertical notch for mounting an ultrasonic probe, and the side wall of the vertical notch is provided with a threaded handle for fixing the ultrasonic probe;
the automatic ultrasonic detection device for the aqueous medium further comprises a vertical plate arranged on the sliding arm, a laser range finder is arranged on the vertical plate, and the laser emission direction of the laser range finder is parallel to the horizontal guide rod.
Further, a clamping groove is formed in the upper end of the vertical plate, and the laser range finder is fixed in the clamping groove through a screw.
Further, the horizontal guide rod is a rectangular rod or a cylindrical rod.
The utility model has the advantages that:
1. the utility model discloses automatic ultrasonic testing device of aqueous medium, it utilizes water as the medium of ultrasonic testing, and ultrasonic probe does not directly contact with skin, and ultrasonic probe can not extrude skin in the testing process to avoid the problem that the head vein is extruded by ultrasonic probe and warp, can improve the degree of accuracy of testing result; and the device can be used for measuring the vein to obtain a clearer image.
2. The utility model discloses automatic ultrasonic testing device of aqueous medium promotes ultrasonic probe through the rotation of control motor drive screw and removes along the arm, operates simple to use, and handheld ultrasonic probe moves along the arm among the relative prior art and detects, and it is more laborsaving, is difficult for causing operator fatigue.
3. The utility model discloses automatic ultrasonic testing device of aqueous medium can also be used to the median nerve hardness of non-contact measurement, improves the measuring result degree of accuracy, reduces and detects working strength.
Drawings
Fig. 1 is a schematic perspective view of an automatic ultrasonic detection device for an aqueous medium in an embodiment.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in the figure, the automatic ultrasonic detection device for the aqueous medium of the embodiment comprises a water tank 1, and further comprises a screw rod 2 and a horizontal guide rod 3 which are arranged in the water tank and the end parts of which penetrate through the side wall of the water tank, wherein the screw rod and the horizontal guide rod are parallel to each other, and a motor 4 for driving the screw rod to rotate is arranged on the outer side surface of the water tank. In the embodiment, the motor 4 adopts a stepping motor, and the rotating speed is controlled simply and conveniently; of course, in different embodiments, the motor may also adopt a servo motor, a variable frequency motor, a speed reducing motor and the like. The horizontal guide rod in this embodiment is a cylindrical rod, but of course, the horizontal guide rod may also be a rectangular rod or other shapes in different embodiments.
The automatic ultrasonic detection device for the water medium further comprises a sliding arm 5, wherein the left end of the sliding arm is arranged on the horizontal guide rod and the screw rod, the sliding arm is in sliding fit with the horizontal guide rod, and the sliding arm is in threaded fit with the screw rod; the right end of the sliding arm is provided with a vertical notch 7 for installing an ultrasonic probe 6, and a threaded handle 8 for fixing the ultrasonic probe is arranged on the side wall of the vertical notch.
The automatic ultrasonic detection device for the aqueous medium further comprises a vertical plate 9 arranged on the sliding arm, a laser range finder 10 is arranged on the vertical plate, and the laser emission direction of the laser range finder is parallel to the horizontal guide rod. In this embodiment, a clamping groove is formed in the upper end of the vertical plate, and the laser range finder is fixed in the clamping groove through a screw 11; of course, in different embodiments, the laser distance measuring device can be fixed on the vertical plate in other manners. The zero point distance of the laser range finder and the center of the ultrasonic probe are positioned on the same vertical plane.
When the automatic ultrasonic detection device for the aqueous medium is used for measuring the vein inner diameter, an ultrasonic probe is placed in a vertical notch at the right end of a sliding arm and is fixed by a threaded handle, water is added into a water tank, then a detected person puts a forearm horizontally in the water tank and is positioned below the ultrasonic probe, the distance between the skin of the forearm and the ultrasonic probe is about 1cm, the tip of a middle finger is propped against the side face of the water tank right opposite to the laser of a laser range finder, ultrasonic detection equipment is started again, and then a motor is controlled to drive a screw rod to rotate so as to push the ultrasonic probe to move and scan along the forearm, so that the inner diameter of the head vein on the forearm can be observed and detected.
And when the proper internal diameter of the cephalic vein is observed and measured, stopping moving the ultrasonic probe, recording distance data displayed by the laser range finder, wherein the arm position corresponding to the data is the later-stage operation reference position.
In the automatic ultrasonic detection device for the aqueous medium, water is used as a medium for ultrasonic detection, the ultrasonic probe is not in direct contact with the skin, and the skin cannot be extruded by the ultrasonic probe in the detection process, so that the problem that the cephalic vein is extruded and deformed by the ultrasonic probe is avoided, and the accuracy of a detection result can be improved; and the device can be used for measuring the vein to obtain a clearer image.
The automatic ultrasonic detection device for the aqueous medium in the embodiment is simple to use in detection operation, saves more labor and is not easy to cause fatigue of an operator compared with the detection of the movement of the hand-held ultrasonic probe along the arm in the prior art.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (3)
1. Automatic ultrasonic testing device of aqueous medium, including the basin, its characterized in that: the water tank is characterized by also comprising a screw rod and a horizontal guide rod which are arranged in the water tank and the end parts of which penetrate through the side wall of the water tank, wherein the screw rod and the horizontal guide rod are parallel to each other, and a motor for driving the screw rod to rotate is arranged on the outer side surface of the water tank;
the automatic ultrasonic detection device for the water medium further comprises a sliding arm, the left end of the sliding arm is arranged on the horizontal guide rod and the screw rod, the sliding arm is in sliding fit with the horizontal guide rod, and the sliding arm is in threaded fit with the screw rod; the right end of the sliding arm is provided with a vertical notch for mounting an ultrasonic probe, and the side wall of the vertical notch is provided with a threaded handle for fixing the ultrasonic probe;
the automatic ultrasonic detection device for the aqueous medium further comprises a vertical plate arranged on the sliding arm, a laser range finder is arranged on the vertical plate, and the laser emission direction of the laser range finder is parallel to the horizontal guide rod.
2. The automatic ultrasonic detection device for aqueous media according to claim 1, characterized in that: the upper end of the vertical plate is provided with a clamping groove, and the laser range finder is fixed in the clamping groove through a screw.
3. The automatic ultrasonic detection device for aqueous media according to claim 1, characterized in that: the horizontal guide rod is a rectangular rod or a cylindrical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121405531.0U CN215128997U (en) | 2021-06-23 | 2021-06-23 | Automatic ultrasonic detection device for aqueous medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121405531.0U CN215128997U (en) | 2021-06-23 | 2021-06-23 | Automatic ultrasonic detection device for aqueous medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215128997U true CN215128997U (en) | 2021-12-14 |
Family
ID=79382126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121405531.0U Active CN215128997U (en) | 2021-06-23 | 2021-06-23 | Automatic ultrasonic detection device for aqueous medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215128997U (en) |
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2021
- 2021-06-23 CN CN202121405531.0U patent/CN215128997U/en active Active
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