CN107307882B - Application method of B-ultrasonic examination group control system based on intelligent navigation detection angle - Google Patents
Application method of B-ultrasonic examination group control system based on intelligent navigation detection angle Download PDFInfo
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Abstract
The invention relates to a method for using a B-ultrasonic examination group control system based on an intelligent navigation detection angle, which is characterized by comprising the following basic steps: step 1, collecting angle analog signals of a detected operation part; step 2, forming recognizable video and audio signals; step 3, transmitting recognizable video and audio signal prompts; step 4, determining an angle image analog value signal of the detected operation part; step 5, forming a corrected correct value signal of the angle image of the detected operation part; step 6, forming a video and audio prompting signal for correcting the angle of the detected operation part; step 7, prompting to correct the detection angle; step 8, providing continuous monitoring of the corrected detection angle. The invention has the obvious advantage of cluster correction of the detection angle of the B-ultrasonic image imaging part, is beneficial to reducing the misdiagnosis rate of B-ultrasonic and improves the quality and efficiency of B-ultrasonic diagnosis.
Description
Technical Field
The invention belongs to the technical field of ultrasonic medical detection, and particularly relates to a use method of a B-ultrasonic examination group control system based on an intelligent navigation detection angle.
Background
The method for acquiring the image signal of the detected part of the existing B-ultrasonic diagnostic apparatus mainly comprises the following steps: the first method is that the ultrasonic probe of the B-ultrasonic diagnostic apparatus collects the signal of the examined part, the signal is converted into video image signal and displayed by the display, and the video image signal meeting the requirement is sent to the storage display for storage, so as to further diagnose. The second method is to add a comparison between a photographing reference image and a photographed image on the basis of a conventional B-ultrasonic diagnostic apparatus, thereby navigating the ultrasonic probe to obtain the correctness of the photographed image. The third method is that the ultrasonic probe of the B-ultrasonic diagnostic apparatus is added with a detecting part angle navigator to collect the signal of the detected part, the signal is converted into a video image signal and then displayed by a display, and the video image signal meeting the requirement is sent to a storage display for storage so as to be convenient for further diagnosis. However, these methods all have the following significant disadvantages:
the signals of the examined part acquired by the ultrasonic probe of the first method belong to random unordered located examined parts, so the angle of the examined part cannot be accurately located, and misdiagnosis of B-ultrasonic diagnosis is easy to occur. Although the second method solves the problem that the detected part position is incorrect due to the fact that the ultrasonic probe randomly collects the signals of the detected part, the comparison between the photographic reference image and the photographic image is a complex multi-factor problem, a plurality of uncertain factors which cannot be easily determined exist, and the practical value of the method is low. Although the third method solves the problem that the detected part area is incorrect due to the fact that the ultrasonic probe randomly acquires the signals of the detected part, the third method obviously cannot acquire the signals of suspected diseases of the detected part due to the fact that the cross section of the detected part is irregular or the signals are weak, and misdiagnosis of B-ultrasonic diagnosis is prone to occur.
At present, the prior published research results in the technical field of ultrasonic medical detection include:
chinese patent application 2003125566.3 discloses an ultrasonic diagnostic apparatus which displays a reference image acquired in advance, an ultrasonic image currently being photographed, a position of an ultrasonic probe at the time of photographing the reference image, and position information indicating a positional relationship with the current ultrasonic probe on a display unit as navigation information. When a diagnostic image is acquired, probe movement information indicating the movement position of the ultrasonic probe is displayed on the display unit as navigation information. However, the following significant disadvantages exist: firstly, because the image comparison method has a plurality of uncertain factors, correct navigation information is difficult to obtain; and secondly, the diagnosis quality and efficiency of the image comparison method are not high, and the method is difficult to be applied to a B-ultrasonic examination group control system.
Chinese patent application 201210041596.0 discloses an intelligence ultrasonic diagnosis navigation head based on three-axis gyroscope, it is including configuring three-axis angle navigator on ultrasonic probe and the storage display that links to each other with it, three-axis angle navigator includes three-axis gyroscope and the singlechip that links to each other with it, be equipped with the expert database in the storage display, the singlechip is used for gathering the deflection angle of ultrasonic probe that three-axis gyroscope responded to in real time at space x axle, y axle, the three axle of z axle to data transmission to the storage display that will record, the storage display shows received data storage in the expert database, shows ultrasonic probe's three-axis deflection angle in real time through the display screen simultaneously. The invention can improve the ultrasonic diagnosis quality and reduce the ultrasonic misdiagnosis rate. However, the following significant disadvantages exist: firstly, the method is not suitable for detecting the section of the detected part with irregularity or weak signal; secondly, the image signals of suspected patients at the examined part can not be correctly collected.
In summary, how to overcome the deficiencies of the prior art has become one of the key problems to be solved in the field of the present ultrasound physical examination monitoring technology.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for using a B-ultrasonic examination group control system based on an intelligent navigation detection angle.
The invention provides a method for using a B-ultrasonic examination group control system based on an intelligent navigation detection angle, which is characterized by comprising the use and operation of a B-ultrasonic examination group control system which is formed by integrating and arranging at least a 1-N path ultrasonic detection sensor, a 1-N path B-ultrasonic imaging device, a 1-N path B-ultrasonic imaging short-range display and a 1-N path B-ultrasonic imaging remote display, a B-ultrasonic imaging part angle signal processor, a B-ultrasonic imaging part angle signal cluster correction controller, a data line and a central control console, and the basic steps of the method comprise the following steps:
step 1, collecting angle analog signals of a detected operation part: respectively acquiring angle analog signals of detected operation parts of different human bodies by 1-N ultrasonic detection sensors;
step 2, forming recognizable video and audio signals: respectively transmitting the angle analog signals of the detected operation part in the step 1 to B ultrasonic image imaging devices corresponding to 1-N paths for processing to form identifiable video and audio signals corresponding to the angle analog signals of the detected operation part of 1-N paths;
and 3, transmitting recognizable video and audio signal prompts: respectively transmitting the recognizable video and audio signals corresponding to the angle analog signals of the detected operation part of the 1-N paths in the step 2 to a B ultrasonic image imaging short-range display and a B ultrasonic image imaging long-range display corresponding to the 1-N paths for prompting;
step 4, determining an angle image analog value signal of the detected operation part: simultaneously transmitting the recognizable video and audio signals corresponding to the 1-N paths of detected operation part angle analog signals in the step 2 to a B-ultrasonic image imaging part angle signal processor for processing to form determined detected operation part angle image analog value signals corresponding to the 1-N paths;
and 5, forming a corrected correct value signal of the angle image of the detected operation part: transmitting the determined analog value signals of the detected operation part angle images corresponding to the 1-N paths in the step 4 to a B-mode ultrasonic image imaging part angle signal cluster correction controller for comparison and optimization to form corrected correct value signals of the detected operation part angle images corresponding to the 1-N paths;
and 6, forming a video and audio prompt signal for correcting the angle of the detected operation part: feeding back the corrected correct value signal of the angle image of the detected operation part corresponding to the 1-N paths to the B-mode ultrasonic image imaging device corresponding to the 1-N paths to form a visual and audio prompt signal corresponding to the 1-N paths and needing to correct the angle of the detected operation part;
step 7, reminding correction of the detection angle: feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step 6 to the 1-N paths of B-ultrasonic image imaging short-range display for prompting so as to remind the ultrasonic detection sensor to correct the detection angle of the detected operation part;
step 8, providing continuous monitoring of the correction of the detection angle: and (6) feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step (6) to the 1-N paths of B-mode ultrasonic image imaging remote display for prompting so as to provide continuous monitoring on the detection angle between the correction ultrasonic detection sensor and the detected operation part.
The realization principle of the invention is as follows: according to the diagnosis rule that whether the B-ultrasonic image imaging is correct or not is closely related to the angle of the detected operation part of the human body, only by holding the ultrasonic detection sensor to act on the angle of the detected operation part of the human body, the correct image signal of the suspected patient of the detected operation part can be obtained. However, in the increasingly popular popularization and application of B-ultrasonic examination, since the expert physician is seriously short and the experience of the operator is insufficient, it is difficult to correctly grasp the detection angle of the examined operation part. Therefore, the using method of the B-ultrasonic examination group control system based on the intelligent navigation detection angle is skillfully constructed, and particularly, identifiable video and audio signals of detected operation part angle analog signals formed by processing corresponding 1-N paths of B-ultrasonic image imaging devices are transmitted to a B-ultrasonic image imaging part angle signal processor for processing, then are compared and optimized by a B-ultrasonic image imaging part angle signal cluster correction controller, and then are fed back to the corresponding 1-N paths of B-ultrasonic image imaging devices to form corresponding 1-N paths of video and audio prompt signals needing to be corrected, so that the detection angle requirement of an ultrasonic detection sensor is met, and an operation technician can master the diagnosis skill of an expert.
Compared with the prior art, the invention has the remarkable advantages that:
firstly, the invention detects the angle of the detected operation part by intelligent navigation, meets the requirement of correcting the detection angle of the ultrasonic detection sensor, has simple and reliable operation, greatly reduces the misdiagnosis rate of B ultrasonic and improves the quality of B ultrasonic diagnosis.
Secondly, the invention initiates a using method of the group control system of the B-ultrasonic examination, realizes the leap of expanding and improving the B-ultrasonic single-machine examination to the B-ultrasonic multi-machine group control examination, not only greatly reduces the operation cost, but also greatly improves the efficiency of B-ultrasonic diagnosis.
Thirdly, the invention has the obvious functions of primary detection and advanced monitoring, and not only solves the problem of short supply and short demand of talents in B-ultrasonic professional technology in China; and the implementation of a matching system of clinical detection and examination diagnosis is well solved, so that the popularization and application values of the invention are obviously improved.
Fourthly, the B-ultrasonic examination group control system based on the intelligent navigation detection angle is widely applied to places such as various hospitals, community health institutions, examination centers and nursing homes which are engaged in medical image detection.
Drawings
Fig. 1 is a schematic flow chart diagram of a method for using a B-ultrasonic medical examination group control system based on an intelligent navigation detection angle according to the present invention.
FIG. 2 is a block diagram of a B-ultrasonic examination group control system based on an intelligent navigation detection angle according to the present invention; FIG. 2 shows a first path of B-ultrasonic examination device composed of an ultrasonic detection sensor 1-1, a B-ultrasonic image imaging device 1-2, a B-ultrasonic image imaging short-range display 1-3, a B-ultrasonic image imaging long-range display 1-4, a B-ultrasonic image imaging part angle signal processor and a B-ultrasonic image imaging part angle signal cluster correction controller, an ultrasonic detection sensor 2-1, a B-ultrasonic image imaging device 2-2, a B-ultrasonic image imaging short-range display 2-3, a B-ultrasonic image imaging long-range display 2-4, a B-ultrasonic image imaging part angle signal processor and a second path of B-ultrasonic examination device of a B-ultrasonic image imaging part angle signal cluster correction controller, an ultrasonic detection sensor N-1, a B-ultrasonic image imaging device N-2, a B-ultrasonic image imaging display N-3, The B ultrasonic examination group control system is constructed by an N-4B ultrasonic image imaging remote display, an angle signal processor of an imaging part of a B ultrasonic image and an Nth B ultrasonic examination device of a B ultrasonic image imaging part angle signal cluster correction controller.
FIG. 3 is a schematic view of a central display screen of a group control system for B-ultrasonic examination composed of 1-N channels of remote B-ultrasonic image imaging displays according to the present invention; the central display screen consisting of 1, 2, 3 to N B-mode ultrasonic image imaging remote display screens is shown in FIG. 3.
Fig. 4 is a schematic equipment setup diagram of a clinical application of a B-ultrasonic medical examination group control system based on an intelligent navigation detection angle, which is proposed by the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings and examples.
Example 1. With reference to fig. 1, the present invention provides a method for using a B-ultrasonic examination group control system based on an intelligent navigation detection angle, which is an operation of a B-ultrasonic examination group control system comprising at least 1-N ultrasonic detection sensors, 1-N ultrasonic B-ultrasonic imaging devices, 1-N ultrasonic B-ultrasonic imaging short-range displays, and 1-N ultrasonic B-ultrasonic imaging long-range displays, a central display screen, a B-ultrasonic imaging part angle signal processor, a B-ultrasonic imaging part angle signal cluster correction controller, a data line, and a central console, and comprises the following specific steps:
step 1, collecting angle analog signals of a detected operation part: respectively acquiring angle analog signals of detected operation parts of different human bodies by 1-N ultrasonic detection sensors; the angle of the human body examined operation part refers to a contact angle between the ultrasonic detection sensor and the human body examined operation part, namely an included angle generated by orthographic projection relative to a human body image.
Step 2, forming recognizable video and audio signals: respectively transmitting the angle analog signals of the detected operation part in the step 1 to B ultrasonic image imaging devices corresponding to 1-N paths for processing to form identifiable video and audio signals corresponding to the angle analog signals of the detected operation part of 1-N paths;
and 3, transmitting recognizable video and audio signal prompts: respectively transmitting the recognizable video and audio signals corresponding to the angle analog signals of the detected operation part of the 1-N paths in the step 2 to a B ultrasonic image imaging short-range display and a B ultrasonic image imaging long-range display corresponding to the 1-N paths for prompting;
step 4, determining an angle image analog value signal of the detected operation part: simultaneously transmitting the recognizable video and audio signals corresponding to the 1-N paths of detected operation part angle analog signals in the step 2 to a B-ultrasonic image imaging part angle signal processor for processing to form determined detected operation part angle image analog value signals corresponding to the 1-N paths; the image analog value of the angle of the detected operation part refers to an uncertain value before correcting the included angle between the ultrasonic detection sensor and the detected operation part of the human body;
and 5, forming a corrected correct value signal of the angle image of the detected operation part: transmitting the determined analog value signals of the detected operation part angle images corresponding to the 1-N paths in the step 4 to a B-mode ultrasonic image imaging part angle signal cluster correction controller for comparison and optimization to form corrected correct value signals of the detected operation part angle images corresponding to the 1-N paths; the correct value of the angle image of the detected operation part is a determined value after correcting an included angle between the ultrasonic detection sensor and the detected operation part of the human body;
and 6, forming a video and audio prompt signal for correcting the angle of the detected operation part: feeding back the corrected correct value signal of the angle image of the detected operation part corresponding to the 1-N paths to the B-mode ultrasonic image imaging device corresponding to the 1-N paths to form a visual and audio prompting signal corresponding to the 1-N paths and needing to be corrected; the video and audio prompting signal means that the correct value of the angle image of the detected operation part is expressed in a mode of a video prompting signal and an audio prompting signal respectively;
step 7, reminding correction of the detection angle: feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step 6 to the 1-N paths of B-ultrasonic image imaging short-range display for prompting so as to remind the ultrasonic detection sensor to correct the detection angle of the detected operation part;
step 8, providing continuous monitoring of the corrected detection angle: feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step 6 to the 1-N paths of B-ultrasonic image imaging remote display for prompting so as to provide continuous monitoring on the detection angle correction of the ultrasonic detection sensor and the detected operation part; if the prompt of step 7 indicates that the detection angle between the ultrasonic detection sensor and the detected operation part cannot be corrected in place at one time, the group control system for B-ultrasonic examination continuously sends a warning for prompting the correction of the detection angle between the ultrasonic detection sensor and the detected operation part until the detection angle is correct in place.
Example 2. With reference to fig. 2, 3 and 4, the equipment system adopted by the method for using the B-ultrasonic examination group control system based on the intelligent navigation detection angle provided by the invention comprises 1-N ultrasonic detection sensors for obtaining and transmitting the angle analog signals of the examined operation parts of different human bodies, respectively processing the angle analog signals by the B-ultrasonic image imaging devices corresponding to 1-N channels to form recognizable audio and video signals corresponding to the angle analog signals of the examined operation parts corresponding to 1-N channels, and respectively transmitting the recognizable audio and video signals to the B-ultrasonic image imaging short-range display corresponding to 1-N channels for prompting; the ultrasonic detection device also comprises recognizable video and audio signals which are formed by processing the B ultrasonic image imaging devices corresponding to the 1-N paths and correspond to the angle analog signals of the detected operation parts corresponding to the 1-N paths, are respectively transmitted to the B ultrasonic image imaging remote display corresponding to the 1-N paths for prompting, are simultaneously transmitted to the B ultrasonic image imaging part angle signal processor for processing, are compared and optimized by the B ultrasonic image imaging part angle signal cluster correction controller, are fed back to the B ultrasonic image imaging devices corresponding to the 1-N paths to form video and audio prompting signals which correspond to the 1-N paths and need to be corrected, and finally respectively send out prompting signals for correcting the detection angles of the ultrasonic detection sensors through the B ultrasonic image imaging short-range display corresponding to the 1-N paths and the B ultrasonic image imaging remote display corresponding to the 1-N paths; the B-ultrasonic image imaging remote displays corresponding to the 1-N paths are integrated to form a central display screen of the B-ultrasonic examination group control system. Wherein:
the B-ultrasonic image imaging part angle signal processor comprises a detected operation part image angle analog signal detection circuit unit, a detected operation part image angle analog signal identification circuit unit and a detected operation part image angle analog signal positioning circuit unit which are sequentially connected by signals; wherein: the detected operation part image angle analog signal detection circuit unit is used for storing detected operation part image angle analog signals transmitted by the 1-N paths of B-mode ultrasonic image imaging devices in real time; the image angle analog signal identification circuit unit of the detected operation part is used for sorting the condition of the image angle analog signal of each detected operation part in real time; and the image angle analog signal positioning circuit unit of the detected operation part is used for determining the analog value of the image angle analog signal of each detected operation part in real time and transmitting the analog value to the B-mode ultrasonic image imaging part angle signal cluster correction controller.
The B-ultrasonic image imaging part signal cluster correction controller comprises a B-ultrasonic image imaging part standard image angle signal circuit unit, a B-ultrasonic image imaging examined operation part analog image angle signal comparison circuit unit and a B-ultrasonic image imaging part image angle cluster optimization signal circuit unit which are sequentially connected in a signal mode; wherein: the standard image angle signal circuit unit of the B ultrasonic image imaging part is designed by adopting the prior most advanced standard angle gallery of the B ultrasonic image imaging part and a logic programming technology; the B-ultrasonic imaging examined operation part analog image angle signal comparison circuit unit compares the deviation value of each examined operation part angle analog signal with the standard angle value of the B-ultrasonic imaging examined operation part to obtain the deviation value of each examined operation part angle analog signal; the B-ultrasonic image imaging part image angle cluster optimization signal circuit unit is used for optimizing deviation values of image angle analog signals of all detected operation parts and feeding back corrected correct image angle signals of all detected operation parts to corresponding 1-N B-ultrasonic image imaging devices.
The B ultrasonic image imaging device comprises an ultrasonic diagnostic apparatus, an encoder component and a decoder component; wherein: the encoder component comprises an encoder, a stabilized voltage supply, a router, a network video and audio prompting component and a case; the decoder component comprises a decoder, a stabilized voltage supply, a router, a network video and audio prompting component and a case; the ultrasonic diagnostic apparatus adopts products of models such as P9 of GE company or HD11xe of Philips company.
The video and audio prompt signal is a video image prompt and a voice prompt which are sent out for the correctness of the detection angle of the ultrasonic detection sensor of the detected operation part.
The encoder performs real-time hardware encoding and transmission on the received analog signal of the detected operation part so as to eliminate signal delay caused by soft encoding and decoding.
The decoder receives and decodes real-time hardware coding signals, and then transmits the signals to the B ultrasonic image imaging short-range display and the B ultrasonic image imaging long-range display through the HDMI port in a digital mode.
The network video and audio prompting component is a multi-path IP network video telephone provided with a control transmission path.
The data line adopts a universal network cable.
The ultrasonic detection sensor adopts a product matched with an ultrasonic diagnostic apparatus, such as an ultrasonic probe carried by the ultrasonic diagnostic apparatus of model number P9 of GE company or HD11xe of Philips company.
The invention also comprises a central display screen, a B ultrasonic image imaging part angle signal processor and a B ultrasonic image imaging part angle signal cluster correction controller which are all arranged on a central console; and the signals of all the components of the B-ultrasonic physical examination group control detector are transmitted by adopting data lines.
Descriptions not related to the embodiments of the present invention are well known in the art, and may be implemented by referring to the well-known techniques.
The invention obtains satisfactory trial effect through repeated test verification.
The above embodiments and examples are specific supports for the technical ideas of the method for using the group control system for B-ultrasonic examination based on intelligent navigation and detection angles, which are provided by the present invention, and the protection scope of the present invention cannot be limited thereby.
Claims (6)
1. A method for using a B-ultrasonic physical examination group control system based on an intelligent navigation detection angle is characterized by comprising the use and operation of a B-ultrasonic physical examination group control system which at least comprises a central display screen, a B-ultrasonic image imaging part angle signal processor, a B-ultrasonic image imaging part angle signal cluster correction controller and a central control console, wherein the central display screen is formed by integrating and setting a 1-N-path ultrasonic detection sensor, a 1-N-path B-ultrasonic image imaging device, a 1-N-path B-ultrasonic image imaging short-range display and a 1-N-path B-ultrasonic image imaging remote display, and the basic steps of the system comprise the following steps:
step 1, collecting angle analog signals of a detected operation part: respectively acquiring angle analog signals of detected operation parts of different human bodies by 1-N ultrasonic detection sensors;
step 2, forming recognizable video and audio signals: respectively transmitting the angle analog signals of the detected operation part in the step 1 to B ultrasonic image imaging devices corresponding to 1-N paths for processing to form identifiable video and audio signals corresponding to the angle analog signals of the detected operation part of 1-N paths;
and 3, transmitting recognizable video and audio signal prompts: respectively transmitting the recognizable video and audio signals corresponding to the angle analog signals of the detected operation part of the 1-N paths in the step 2 to a B ultrasonic image imaging short-range display and a B ultrasonic image imaging long-range display corresponding to the 1-N paths for prompting;
step 4, determining an angle image analog value signal of the detected operation part: simultaneously transmitting the recognizable video and audio signals corresponding to the 1-N paths of detected operation part angle analog signals in the step 2 to a B-ultrasonic image imaging part angle signal processor for processing to form determined detected operation part angle image analog value signals corresponding to the 1-N paths;
and 5, forming a corrected correct value signal of the angle image of the detected operation part: transmitting the determined analog value signals of the detected operation part angle images corresponding to the 1-N paths in the step 4 to a B-mode ultrasonic image imaging part angle signal cluster correction controller for comparison and optimization to form corrected correct value signals of the detected operation part angle images corresponding to the 1-N paths;
and 6, forming a video and audio prompt signal for correcting the angle of the detected operation part: feeding back the corrected correct value signal of the angle image of the detected operation part corresponding to the 1-N paths to the B-mode ultrasonic image imaging device corresponding to the 1-N paths to form a visual and audio prompt signal corresponding to the 1-N paths and needing to correct the angle of the detected operation part;
step 7, reminding correction of the detection angle: feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step 6 to the 1-N paths of B-ultrasonic image imaging short-range display for prompting so as to remind the ultrasonic detection sensor to correct the detection angle of the detected operation part;
step 8, providing continuous monitoring of the corrected detection angle: and (4) feeding back the 1-N paths of video and audio prompting signals needing to be corrected corresponding to the step 6 to the 1-N paths of B-mode ultrasonic image imaging remote display for prompting so as to provide continuous monitoring on the detection angle between the correction ultrasonic detection sensor and the detected operation part.
2. The method as claimed in claim 1, wherein the angle of the detected operation part of the human body in step 1 is a contact angle between the ultrasonic detection sensor and the detected operation part of the human body, i.e. an included angle generated by orthographic projection of the image of the human body.
3. The method as claimed in claim 1, wherein the simulation value of the angle image of the detected operation part in step 4 is an uncertain value before correcting the angle between the ultrasonic detection sensor and the detected operation part of the human body.
4. The method as claimed in claim 1, wherein the correct value of the angle image of the examined operation region in step 5 is a corrected determined value of an angle between the ultrasonic detection sensor and the examined operation region of the human body.
5. The method as claimed in claim 1, wherein the audio/video cue signals in step 6 are the correct values of the angle image of the detected operation part expressed by the audio cue signals and the video cue signals respectively.
6. The method as claimed in claim 1, wherein the step 8 of continuously monitoring means that if the step 7 of prompting to correct the detection angle between the ultrasonic detection sensor and the detected operation part cannot be correctly in place at a time, the group control system for B-ultrasonic examination continuously sends out a warning to prompt to correct the detection angle between the ultrasonic detection sensor and the detected operation part until the detection angle is correctly in place.
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