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CN111449750A - Interventional control system and control method for preventing massive hemorrhage in cardiology department - Google Patents

Interventional control system and control method for preventing massive hemorrhage in cardiology department Download PDF

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Publication number
CN111449750A
CN111449750A CN202010253241.2A CN202010253241A CN111449750A CN 111449750 A CN111449750 A CN 111449750A CN 202010253241 A CN202010253241 A CN 202010253241A CN 111449750 A CN111449750 A CN 111449750A
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module
interventional
image
stent
central control
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Inventor
刘强
翁建新
魏熠
左辉华
徐帅
李华秋
陈史钰
唐文辉
曹茜
陈海君
陈俊求
张慧芬
李雯婷
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Abstract

The invention belongs to the technical field of image processing, and discloses an interventional control system and a control method for preventing massive hemorrhage in cardiology; the interventional control system for preventing massive hemorrhage in cardiology department is provided with an image acquisition module, an image analysis module, a central control module, a positioning module, a path determination module, a hydraulic monitoring module, an interventional bracket placing module, a pressurizing module, a pressure detection module, a bracket release detection module, an alarm module and a display module; the interventional control method for preventing massive hemorrhage in cardiology department comprises acquiring and analyzing cardiac radiography images; determining a path of movement of the interventional stent; placing an interventional stent; pressurizing the balloon and detecting the pressure. The invention is provided with the positioning module and the path determining module, thereby facilitating the intervention of doctors; the pressurization module is matched with the pressure detection module, so that the balloon pressurization control in the interventional stent can be realized, the blood vessel is effectively protected, and the operation risk is reduced.

Description

Interventional control system and control method for preventing massive hemorrhage in cardiology department
Technical Field
The invention belongs to the technical field of image processing, and particularly relates to an interventional control system and a control method for preventing massive hemorrhage in cardiology.
Background
At present, the heart bypass operation is an important means for treating heart diseases, wherein a heart stent is an important therapeutic apparatus for the operation and is used in a large amount. The heart stent is also called coronary artery stent, is a common medical instrument in the heart interventional operation, and has the function of dredging artery vessels. With long-term clinical observation, the metal bare stent is easy to cause thrombus and has high restenosis rate. The metal bare stent is classified into a stainless steel, a nickel-titanium alloy or a cobalt-chromium alloy stent according to the material. The guiding of the guide wire and balloon filling operation in the existing stent intervention operation have very high requirements on doctor experience and skills, the problem of high bleeding caused by deviation is easy to occur, the difficulty and risk of the operation are high, and the operation is also very unfavorable for postoperative recovery.
Through the above analysis, the problems and defects of the prior art are as follows: the guiding of the guide wire and balloon filling operation in the existing stent intervention operation have very high requirements on doctor experience and skills, the problem of high bleeding caused by deviation is easy to occur, the difficulty and risk of the operation are high, and the operation is also very unfavorable for postoperative recovery.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an interventional control system for preventing massive hemorrhage in the cardiology department.
The invention is realized in such a way that the interventional control system for preventing massive hemorrhage in the cardiology department is provided with:
the device comprises an image acquisition module, an image analysis module, a central control module, a positioning module, a path determination module, a hydraulic monitoring module, an intervention support placing module, a pressurizing module, a pressure detection module, a support release detection module, an alarm module and a display module;
the image acquisition device is connected with the central control module and is used for acquiring the cardioangiography image through the X-ray machine;
the image analysis device is connected with the central control module and is used for analyzing the acquired cardioangiography image through an image analysis program;
the central control module is connected with the image acquisition module, the image analysis module, the positioning module, the path determination module, the hydraulic monitoring module, the intervention support placing module, the pressurizing module, the pressure detection module, the support release detection module, the alarm module and the display module and is used for controlling each module to normally operate through the main control computer;
the positioning module is connected with the central control module and is used for determining the position of the interventional blood vessel through a positioning program;
the path determining module is connected with the central control module and is used for determining the moving path of the interventional stent through a path determining program;
the hydraulic monitoring module is connected with the central control module and is used for carrying out hydraulic monitoring through a hydraulic detector;
the interventional stent is connected with the central control module and is used for performing vascular intervention;
the interventional stent placing module is connected with the central control module and used for placing the interventional stent through an interventional stent placing program;
the pressurizing module is connected with the central control module and is used for pressurizing through the pressurizing module;
the pressure detection module is connected with the central control module and is used for detecting pressure through the pressure detector;
the bracket release detection module is connected with the central control module and is used for detecting whether the bracket is released or not through a bracket release detection program;
the alarm module is connected with the central control module and used for alarming abnormal hydraulic pressure through an alarm;
and the display module is connected with the central control module and is used for displaying the cardioangiography image and the monitoring and detecting results through the display.
Further, the interventional stent includes: guide wires, balloons and expansion stents;
a balloon is arranged outside the guide steel wire, is a closed balloon and is in a contraction state;
an expansion bracket is arranged outside the balloon, and the expansion bracket is in a contraction state;
the expansion bracket is a net-shaped cylindrical bracket.
Another object of the present invention is to provide an interventional control method for preventing massive hemorrhage in cardiology department, which includes the following steps:
injecting a contrast agent, and acquiring a cardiac radiography image through an X-ray machine; analyzing the acquired cardioangiographic image by an image analysis program;
determining the position of the interventional blood vessel according to the analysis result and through a positioning program; determining a path of movement of the interventional stent by a path determination procedure;
starting an interventional operation, and carrying out hydraulic monitoring through a hydraulic detection machine; alarming abnormal hydraulic pressure through an alarm;
placing the interventional stent through an interventional stent placing program; pressurizing the balloon through a pressurizing module; the saccule expands after being pressed, and pressure detection is carried out through a pressure detector;
step five, detecting whether the stent is released or not through a stent release detection program; and displaying the cardioangiography image and the monitoring and detecting results through a display.
Further, the method for acquiring the cardiac angiography image by the X-ray machine comprises the following steps:
(1) evaluating the image quality of the cardioangiography image generated by X-ray machine fluoroscopy;
(2) performing cyclic filtering processing on the whole cardioangiography image in a median filtering mode;
(3) the vessel region enhancement is carried out on the cardiac radiography image through a vessel enhancement algorithm based on multiple dictionaries and sparse representation, so that the fine vessel structure is perfected, and the detail information is enhanced.
Further, the method for evaluating the image quality of the cardiac radiography image specifically comprises the following steps:
(1) assuming that f (i, j) is an original signal, x (i, j) is a signal after noise is added, and y (i, j) is an output signal;
(2) the signal-to-noise ratio of the image is
Figure BDA0002436260930000031
(3) The peak signal-to-noise ratio of the image is
Figure BDA0002436260930000041
(4) Mean square error of the image is
Figure BDA0002436260930000042
Further, the method for denoising the cardiac image by using median filtering is as follows:
(1) obtaining pixel points with larger difference with surrounding pixel points through template comparison;
(2) this pixel is then processed and replaced by a median of the surrounding pixel values.
Further, the method for analyzing the acquired cardiac angiography image comprises the following steps:
(1) acquiring two images of a cardiac angiogram, the first and second images having different weightings for different compositions of the target object;
(2) respectively processing the first image and the second image and obtaining a corresponding first parameter and a corresponding second parameter; outputting the first parameter and the second parameter;
(3) measuring the distance between the position of the heart blood vessel and the X-ray emission point;
(4) selecting at least two feature points from the image for the cardiovascular location based on the information for the output feature points;
(5) and calculating the relative size of the original image prestored aiming at the shot object on the basis of the measured distance to obtain the proportion of the original image to the collected image.
Further, the method for determining the position of the interventional blood vessel comprises the following steps:
1) aiming at the collected image information, identifying a smooth area of the image surface;
2) if the flat area is identified, the identified flat area is sketched; if no flat area is identified, returning to '1');
3) calculating the gray value of the delineated flat area;
4) carrying out scratching treatment on the drawn smooth area aiming at the acquired image;
5) return "1)"; and stopping positioning until the calculated gray value of the flat area is maximum.
Further, the method for determining the moving path of the interventional stent comprises the following steps:
(1) acquiring a cardiac angiography image to obtain the position and the angle of an interventional blood vessel in the heart;
(2) obtaining a preset angle for guiding the guide wire to puncture according to the determined position of the interventional blood vessel;
(3) monitoring the angle of the guide wire leading-in end to obtain the actual angle in the guide wire leading-in process;
(4) and comparing the actual angle of the guide wire in the guiding process with the preset angle of the guide wire in the guiding process to obtain a guiding path and a guiding deviation.
Further, the method for placing the interventional stent comprises the following steps:
(1) guiding the guide steel wire into the coronary artery along a preset path, and stopping guiding after reaching the position of the interventional blood vessel;
(2) pressurizing the saccule inserted into the stent by a pressurizing module, expanding the saccule after pressurization, and releasing the stent;
(3) and detecting the pressure inside the saccule by a pressure detector, and withdrawing the guide steel wire after the support is released.
By combining all the technical schemes, the invention has the advantages and positive effects that:
(1) according to the invention, through the arrangement of the positioning module and the path determining module, the determination of the position of the interventional blood vessel and the interventional path of the interventional stent can be realized, the surgical level of a doctor is compensated, and the intervention of the doctor is facilitated; the set interventional support placing module can realize automatic placing of the interventional support, and the operation is more convenient and faster; the pressurization module is matched with the pressure detection module, and the balloon pressurization control in the interventional stent can be realized.
(2) The intervention support structure disclosed by the invention can realize automatic placement of the intervention support, and is more convenient and faster to operate.
(3) The interventional control method for preventing massive hemorrhage in cardiology department provided by the invention can effectively protect blood vessels and reduce surgical risks.
(4) The method for acquiring the cardioangiography image by the X-ray machine disclosed by the invention can realize clearer acquired cardioangiography image and more perfect fine blood vessel structure.
(5) The method for evaluating the image quality of the cardioangiography image can evaluate the quality of the medical image generated by X-ray machine fluoroscopy, and further can evaluate the quality of the X-ray machine.
(6) The method for denoising the cardiac radiography image by median filtering disclosed by the invention can better filter noise and can better protect detailed parts such as the edge of the image.
(7) The method for analyzing the acquired cardiac angiography image can analyze the cardiac angiography image and provide technical support for the subsequent determination of the position of the interventional blood vessel and the determination of the moving path of the interventional stent.
(8) The method for determining the position of the interventional blood vessel disclosed by the invention can determine the most appropriate position of the interventional blood vessel, and is favorable for effectively protecting the blood vessel.
(9) The method for determining the moving path of the interventional stent provided by the invention can reduce the damage to the blood vessel during the moving process of the interventional stent.
(10) The method for placing the interventional stent provided by the invention can ensure that the interventional stent placing process is safe and stable, and the risk in the operation process is reduced.
Drawings
FIG. 1 is a block diagram of an interventional control system for preventing excessive bleeding in cardiology according to an embodiment of the present invention;
FIG. 2 is a flow chart of an interventional control method for preventing excessive bleeding in cardiology department provided in an embodiment of the present invention;
FIG. 3 is a flow chart of a method of analyzing an acquired cardiac contrast image provided by an embodiment of the present invention;
FIG. 4 is a flow chart of a method of performing a determination of a location of an interventional vessel as provided by an embodiment of the present invention;
FIG. 5 is a flowchart of a method for determining a path of movement of an interventional stent provided by an embodiment of the invention;
FIG. 6 is a flow chart of a method of performing placement of an interventional stent provided by an embodiment of the present invention;
in the figure: 1. an image acquisition module; 2. an image analysis module; 3. a central control module; 4. a positioning module; 5. a path determination module; 6. a hydraulic monitoring module; 7. an interventional stent; 8. an interventional stent placement module; 9. a pressurizing module; 10. a pressure detection module; 11. a stent release detection module; 12. an alarm module; 13. and a display module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides an interventional control system and a control method for preventing massive hemorrhage in cardiology department, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an interventional control system for preventing massive hemorrhage in cardiology department provided by an embodiment of the present invention is provided with:
the system comprises an image acquisition module 1, an image analysis module 2, a central control module 3, a positioning module 4, a path determination module 5, a hydraulic monitoring module 6, an intervention support 7, an intervention support placing module 8, a pressurizing module 9, a pressure detection module 10, a support release detection module 11, an alarm module 12 and a display module 13;
the image acquisition device 1 is connected with the central control module 3 and is used for acquiring a cardioangiography image through an X-ray machine;
the image analysis device 2 is connected with the central control module 3 and is used for analyzing the acquired cardioangiography image through an image analysis program;
the central control module 3 is connected with the image acquisition module 1, the image analysis module 2, the positioning module 4, the path determination module 5, the hydraulic monitoring module 6, the intervention support 7, the intervention support placement module 8, the pressurization module 9, the pressure detection module 10, the support release detection module 11, the alarm module 12 and the display module 13, and is used for controlling the normal operation of each module through a main control computer;
the positioning module 4 is connected with the central control module 3 and is used for determining the position of the interventional blood vessel through a positioning program;
a path determining module 5, connected with the central control module 3, for determining the path of movement of the interventional stent through a path determining program;
the hydraulic monitoring module 6 is connected with the central control module 3 and used for carrying out hydraulic monitoring through a hydraulic detector;
the interventional stent 7 is connected with the central control module 3 and is used for carrying out vascular intervention;
the interventional stent placement module 8 is connected with the central control module 3 and used for placing an interventional stent through an interventional stent placement program;
the pressurizing module 9 is connected with the central control module 3 and is used for pressurizing through the pressurizing module;
the pressure detection module 10 is connected with the central control module 3 and is used for detecting pressure through a pressure detector;
the bracket release detection module 11 is connected with the central control module 3 and is used for detecting whether the bracket is released or not through a bracket release detection program;
the alarm module 12 is connected with the central control module 3 and used for alarming abnormal hydraulic pressure through an alarm;
and the display module 13 is connected with the central control module 3 and is used for displaying the cardioangiography image and the monitoring and detecting results through a display.
The interventional stent 7 provided by the embodiment of the invention comprises: guide wires, balloons and expansion stents;
a balloon is arranged outside the guide steel wire, is a closed balloon and is in a contraction state;
an expansion bracket is arranged outside the balloon, and the expansion bracket is in a contraction state;
the expansion bracket is a net-shaped cylindrical bracket.
As shown in fig. 2, the interventional control method for preventing massive hemorrhage in cardiology department provided by the embodiment of the present invention includes the following steps:
s101, injecting a contrast agent, and acquiring a cardiac contrast image through an X-ray machine; analyzing the acquired cardioangiographic image by an image analysis program;
s102, determining the position of the interventional blood vessel according to the analysis result and through a positioning program; determining a path of movement of the interventional stent by a path determination procedure;
s103, starting an interventional operation, and carrying out hydraulic monitoring through a hydraulic detection machine; alarming abnormal hydraulic pressure through an alarm;
s104, placing an interventional stent through an interventional stent placing program; pressurizing the balloon through a pressurizing module; the saccule expands after being pressed, and pressure detection is carried out through a pressure detector;
s105, detecting whether the stent is released or not through a stent release detection program; and displaying the cardioangiography image and the monitoring and detecting results through a display.
The method for acquiring the cardioangiography image by the X-ray machine provided by the embodiment of the invention comprises the following steps:
(1) evaluating the image quality of the cardioangiography image generated by X-ray machine fluoroscopy;
(2) performing cyclic filtering processing on the whole cardioangiography image in a median filtering mode;
(3) the vessel region enhancement is carried out on the cardiac radiography image through a vessel enhancement algorithm based on multiple dictionaries and sparse representation, so that the fine vessel structure is perfected, and the detail information is enhanced.
The method for evaluating the image quality of the cardiac radiography image comprises the following specific steps:
1) assuming that f (i, j) is an original signal, x (i, j) is a signal after noise is added, and y (i, j) is an output signal;
2) the signal-to-noise ratio of the image is
Figure BDA0002436260930000091
3) The peak signal-to-noise ratio of the image is
Figure BDA0002436260930000092
4) Mean square error of the image is
Figure BDA0002436260930000093
The method for denoising the cardiac image by adopting median filtering comprises the following steps:
1) obtaining pixel points with larger difference with surrounding pixel points through template comparison;
2) this pixel is then processed and replaced by a median of the surrounding pixel values.
As shown in fig. 3, the method for analyzing the acquired cardiac contrast image according to the embodiment of the present invention includes:
s201, acquiring two images of cardiac angiography, wherein the first image and the second image have different weights for different compositions of the target object;
s202, respectively processing the first image and the second image and obtaining a corresponding first parameter and a corresponding second parameter; outputting the first parameter and the second parameter;
s203, measuring the distance between the position of the cardiovascular and the X-ray emission point;
s204, selecting at least two characteristic points from the image aiming at the position of the heart blood vessel based on the information aiming at the output characteristic points;
and S205, calculating the relative size of the original image pre-stored for the shooting object based on the measured distance to obtain the proportion of the original image to the collected image.
As shown in fig. 4, a method for determining the position of an interventional blood vessel according to an embodiment of the present invention includes:
s301, aiming at the collected image information, identifying a smooth area on the surface of the image;
s302, if a flat area is identified, delineating the identified flat area; if the flat area is not identified, returning to S301;
s303, calculating the gray value of the delineated flat area;
s304, carrying out scratching treatment on the drawn smooth area by aiming at the acquired image;
s305, returning to S301; and stopping positioning until the calculated gray value of the flat area is maximum.
As shown in fig. 5, a method for determining a moving path of an interventional stent according to an embodiment of the present invention includes:
s401, acquiring a cardiac angiography image to obtain the position and the angle of an interventional blood vessel in the heart;
s402, obtaining a preset angle for guiding the guide wire to puncture according to the determined position of the interventional blood vessel;
s403, monitoring the guide wire leading-in end angle to obtain the actual angle in the guide wire leading-in process;
s404, comparing the actual angle in the guiding process of the guide wire with the preset angle for guiding the guide wire to obtain a guiding path and guiding deviation.
As shown in fig. 6, a method for placing an interventional stent according to an embodiment of the present invention includes:
s501, guiding a steel wire into a coronary artery along a preset path, and stopping guiding after the steel wire reaches the position of an interventional blood vessel;
s502, pressurizing a balloon in the interventional stent by a pressurizing module, expanding the balloon after pressurization, and releasing the stent;
s503, detecting the pressure in the saccule by a pressure detector, and withdrawing the guide steel wire after the stent is released.
When the device is used, a cardioangiography image is acquired through an X-ray machine; analyzing the acquired cardioangiographic image by an image analysis program; determining the position of the interventional blood vessel according to the analysis result and through a positioning program; determining a path of movement of the interventional stent by a path determination procedure; carrying out hydraulic monitoring through a hydraulic detector; alarming abnormal hydraulic pressure through an alarm; placing an interventional stent through an interventional stent placing program; pressurizing the balloon through a pressurizing module; detecting pressure by a pressure detector; detecting whether the stent is released or not through a stent release detection program; and displaying the cardioangiography image and the monitoring and detecting results through a display.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an intervention control system of intracardiac branch of academic or vocational study prevention hemorrhage in large quantities, its characterized in that, intervention control system of intracardiac branch of academic or vocational study prevention hemorrhage in large quantities is provided with:
the image acquisition device is connected with the central control module and is used for acquiring the cardioangiography image through the X-ray machine;
the image analysis device is connected with the central control module and is used for analyzing the acquired cardioangiography image through an image analysis program;
the central control module is connected with the image acquisition module, the image analysis module, the positioning module, the path determination module, the hydraulic monitoring module, the intervention support placing module, the pressurizing module, the pressure detection module, the support release detection module, the alarm module and the display module and is used for controlling each module to normally operate through the main control computer;
the positioning module is connected with the central control module and is used for determining the position of the interventional blood vessel through a positioning program;
the path determining module is connected with the central control module and is used for determining the moving path of the interventional stent through a path determining program;
the hydraulic monitoring module is connected with the central control module and is used for carrying out hydraulic monitoring through a hydraulic detector;
the interventional stent is connected with the central control module and is used for performing vascular intervention;
the interventional stent placing module is connected with the central control module and used for placing the interventional stent through an interventional stent placing program;
the pressurizing module is connected with the central control module and is used for pressurizing through the pressurizing module;
the pressure detection module is connected with the central control module and is used for detecting pressure through the pressure detector;
the bracket release detection module is connected with the central control module and is used for detecting whether the bracket is released or not through a bracket release detection program;
the alarm module is connected with the central control module and used for alarming abnormal hydraulic pressure through an alarm;
and the display module is connected with the central control module and is used for displaying the cardioangiography image and the monitoring and detecting results through the display.
2. The interventional control system of claim 1, wherein the interventional stent comprises: guide wires, balloons and expansion stents;
a balloon is arranged outside the guide steel wire, is a closed balloon and is in a contraction state;
an expansion bracket is arranged outside the balloon, and the expansion bracket is in a contraction state;
the expansion bracket is a net-shaped cylindrical bracket.
3. An interventional control method for preventing excessive bleeding for cardiology department applying an interventional control system for preventing excessive bleeding for cardiology department according to claims 1-2, wherein the interventional control method for preventing excessive bleeding for cardiology department comprises the following steps:
injecting a contrast agent, and acquiring a cardiac radiography image through an X-ray machine; analyzing the acquired cardioangiographic image by an image analysis program;
determining the position of the interventional blood vessel according to the analysis result and through a positioning program; determining a path of movement of the interventional stent by a path determination procedure;
starting an interventional operation, and carrying out hydraulic monitoring through a hydraulic detection machine; alarming abnormal hydraulic pressure through an alarm;
placing the interventional stent through an interventional stent placing program; pressurizing the balloon through a pressurizing module; the saccule expands after being pressed, and pressure detection is carried out through a pressure detector;
step five, detecting whether the stent is released or not through a stent release detection program; and displaying the cardioangiography image and the monitoring and detecting results through a display.
4. The interventional control method for preventing massive hemorrhage according to claim 3, wherein the method for acquiring the cardiography image by the X-ray machine comprises:
(1) evaluating the image quality of the cardioangiography image generated by X-ray machine fluoroscopy;
(2) performing cyclic filtering processing on the whole cardioangiography image in a median filtering mode;
(3) the vessel region enhancement is carried out on the cardiac radiography image through a vessel enhancement algorithm based on multiple dictionaries and sparse representation, so that the fine vessel structure is perfected, and the detail information is enhanced.
5. The interventional control method for preventing massive hemorrhage according to claim 4, wherein the method for evaluating the image quality of the cardiac image comprises the following steps:
(1) assuming that f (i, j) is an original signal, x (i, j) is a signal after noise is added, and y (i, j) is an output signal;
(2) the signal-to-noise ratio of the image is
Figure FDA0002436260920000031
(3) The peak signal-to-noise ratio of the image is
Figure FDA0002436260920000032
(4) Mean square error of the image is
Figure FDA0002436260920000033
6. The interventional control method for cardiology department preventing excessive bleeding as claimed in claim 4, wherein the method for denoising the cardiac image using median filtering is as follows:
(1) obtaining pixel points with larger difference with surrounding pixel points through template comparison;
(2) this pixel is then processed and replaced by a median of the surrounding pixel values.
7. The interventional control method for cardiology department to prevent excessive bleeding as claimed in claim 3, wherein the method of analyzing the acquired cardiographic images is:
(1) acquiring two images of a cardiac angiogram, the first and second images having different weightings for different compositions of the target object;
(2) respectively processing the first image and the second image and obtaining a corresponding first parameter and a corresponding second parameter; outputting the first parameter and the second parameter;
(3) measuring the distance between the position of the heart blood vessel and the X-ray emission point;
(4) selecting at least two feature points from the image for the cardiovascular location based on the information for the output feature points;
(5) and calculating the relative size of the original image prestored aiming at the shot object on the basis of the measured distance to obtain the proportion of the original image to the collected image.
8. The interventional control method for cardiology department to prevent excessive bleeding as claimed in claim 3, wherein the determination of the location of the interventional vessel is performed by:
1) aiming at the collected image information, identifying a smooth area of the image surface;
2) if the flat area is identified, the identified flat area is sketched; if no flat area is identified, returning to '1');
3) calculating the gray value of the delineated flat area;
4) carrying out scratching treatment on the drawn smooth area aiming at the acquired image;
5) return "1)"; and stopping positioning until the calculated gray value of the flat area is maximum.
9. The interventional control method for cardiology department to prevent excessive bleeding according to claim 3, wherein the method of determining the path of interventional stent movement is:
(1) acquiring a cardiac angiography image to obtain the position and the angle of an interventional blood vessel in the heart;
(2) obtaining a preset angle for guiding the guide wire to puncture according to the determined position of the interventional blood vessel;
(3) monitoring the angle of the guide wire leading-in end to obtain the actual angle in the guide wire leading-in process;
(4) and comparing the actual angle of the guide wire in the guiding process with the preset angle of the guide wire in the guiding process to obtain a guiding path and a guiding deviation.
10. The interventional procedure for preventing excessive bleeding in cardiology of claim 3, wherein the placement of the interventional stent is performed by:
(1) guiding the guide steel wire into the coronary artery along a preset path, and stopping guiding after reaching the position of the interventional blood vessel;
(2) pressurizing the saccule inserted into the stent by a pressurizing module, expanding the saccule after pressurization, and releasing the stent;
(3) and detecting the pressure inside the saccule by a pressure detector, and withdrawing the guide steel wire after the support is released.
CN202010253241.2A 2020-04-02 2020-04-02 Interventional control system and control method for preventing massive hemorrhage in cardiology department Withdrawn CN111449750A (en)

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