CN109091110A

CN109091110A - A kind of esophagus surveys pressure mark identifying system and electronic equipment and storage medium

Info

Publication number: CN109091110A
Application number: CN201810916546.XA
Authority: CN
Inventors: 廖训; 胡人友; 郭凌
Original assignee: Chongqing Jinshan Medical Appliance Co Ltd
Current assignee: Chongqing Jinshan Medical Technology Research Institute Co Ltd
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2018-12-28
Anticipated expiration: 2038-08-13
Also published as: CN109091110B

Abstract

Pressure mark identifying system and electronic equipment are surveyed this application discloses a kind of esophagus and storage medium, the system include: acquisition module, for obtaining tranquillization frame pressure cloud atlas and swallowing frame pressure cloud atlas；It determines tranquillization frame mark module, for determining the position UES, LES according to tranquillization frame pressure cloud atlas, and determines LES above and below along position according to each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line；Determine the channel UES relaxation mark module, for determining UES relaxation minimum point, and according to the intersection point of the interpolation curve of the pressure value in the channel UES and the second reference line and third reference line determine UES it is loose start, end position；Wave mark module is swallowed in determination, pressure wave highest point for being determined as on destination channel, and according to the intersection point of the interpolation curve of the pressure value of destination channel and the 4th reference line determine the peak value type of destination channel, swallow wave start, end position, recognition accuracy is higher.

Description

A kind of esophagus surveys pressure mark identifying system and electronic equipment and storage medium

Technical field

This application involves field of medical technology, survey pressure mark identifying system and one kind more specifically to a kind of esophagus Electronic equipment and a kind of computer readable storage medium.

Background technique

Esophageal manometry is the goldstandard for evaluating esophageal motility exception, is led with use 4 or 8 pressure catheters led, is adopted after intubation It is compared with the conventional measurement pressure mode gradually pulled, high resolution bathymetric pressure (full name in English: high resolution manometry, English abbreviation: HRM, including being up to 33~36 channels according to the water in 21~36 channel of oesophagus HRM conduit perfusion HRM and measuring pressure passage Solid-state HRM) can it is more intuitive, accurately reflect esophageal motility situation.

To help clinician that HRM is preferably utilized to identify that esophageal motility is abnormal, international HRM working group delivered in 2009 1st edition esophageal motility anomaly classification, i.e. Chicago classification standard, the main some technical parameters for surveying pressure according to esophagus are examined It is disconnected.Whether the computer capacity and calculated value of technical parameter are accurate, dependent on the physiological location of oesophagus and the spy of pressure waveform Levy point identification.Chicago algorithm mainly carries out identifying and diagnosing according to high-resolution cloud atlas.Esophageal manometry mark includes tranquillization collimation mark Know and swallow collimation mark knowledge.

Existing survey die pressing product in actual use, software can automatic identification mark position, but sometimes with correct position It is equipped with relatively large deviation.Doctor and analysis personnel are needed, according to patient pressure's cloud atlas or pressure curve diagram shape, human eye judgement is automatic Whether the home position of identification is correct, adjusts home position one by one manually, is put correct.It will increase doctor or analysis personnel Workload, and eye recognition, there is also individual difference, the recognition accuracy of esophageal manometry mark is not high, influences esophageal motility Analyze result.

Therefore, how to improve the recognition accuracy of esophageal manometry mark is those skilled in the art's problem to be solved.

Summary of the invention

A kind of esophagus of being designed to provide of the application surveys pressure mark identifying system and a kind of electronic equipment and a kind of calculating Machine readable storage medium storing program for executing improves the recognition accuracy of esophageal manometry mark.

To achieve the above object, this application provides a kind of esophaguses to survey pressure mark identifying system, comprising:

Module is obtained, for obtaining tranquillization frame pressure cloud atlas and swallowing frame pressure cloud atlas, and by the tranquillization frame pressure cloud Figure is divided into N section by esophagus position；Wherein, N is the positive integer greater than 1；

Tranquillization frame mark module is determined, for the pressure according to each esophagus position of the tranquillization frame pressure cloud atlas topmost portion It power and determines the position UES, according to the pressure at the breathing last moment of the lowermost part of the tranquillization frame pressure cloud atlas and determines LES Set, and according to each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line determine LES on along position with Along position under LES；

The channel UES relaxation mark module is determined, for swallow the position UES described in frame pressure cloud atlas corresponding by described Pressure minimum point on the channel UES is determined as UES relaxation minimum point, and the interpolation curve of the pressure value according to the channel UES The relaxation starting position UES and UES relaxation end position are determined with the intersection point of the second reference line and third reference line；Wherein, described Second reference line is the statistics pressure value of UES relaxation minimum point left end, and the third reference line is that the UES relaxes most The statistics pressure value of low spot right end；

Wave mark module is swallowed in determination, for the corresponding position of Pressure maximum value on destination channel to be determined as the mesh The pressure wave highest point on channel is marked, and according to the intersection point of the interpolation curve of the pressure value of the destination channel and the 4th reference line It determines the peak value type of the destination channel, swallow wave starting position and swallows wave end position；Wherein, the destination channel is The channel swallowed on LES described in frame pressure cloud atlas along upward n centimetres of position, the 4th reference line are logical for the target The statistics pressure value in road.

Wherein, the determining tranquillization frame mark module, comprising:

Determine UES position units, the pressure of each esophagus position of the topmost portion for calculating the tranquillization frame pressure cloud atlas Power and, and the corresponding esophagus position of the maximum value of the pressure sum is determined as the position UES；

It determines LES position units, is determined for the lowermost part in the tranquillization frame pressure cloud atlas and breathe the last moment, and will The corresponding esophagus position of maximum value of each pressure sum for breathing the last moment is determined as the position LES；

Along position units under determining on LES, for obtaining second to each pressure for breathing the last moment and progress interpolation Interpolation curve, and determine the intermediate value straight line of each pressure sum for breathing the last moment, according to second interpolation curve with it is described The intersection point of intermediate value straight line determines on LES under position and LES along position.

Wherein, the determining LES position units include:

Intra-abdominal pressure channel subelement is determined, for the lowermost part determination and intra-abdominal pressure pressure in the tranquillization frame pressure cloud atlas The consistent channel of power changing rule is intra-abdominal pressure channel；

First interpolation subelement obtains the first interpolation song for carrying out interpolation to the pressure value on the intra-abdominal pressure channel Line, and determine the first reference line；Wherein, first reference line is the statistics pressure value in the intra-abdominal pressure channel；

It determines and breathes last moment subelement, for determining the intersection point of first interpolation curve Yu first reference line, And the corresponding position by slope in the intersection point greater than 0 is determined as breathing the last moment；

LES location subunit is determined, for by the corresponding esophagus position of maximum value of each pressure sum for breathing the last moment It sets and is determined as the position LES.

Wherein, on the determining LES under along position units include:

Second interpolation subelement, for obtaining the second interpolation song to each pressure for breathing the last moment and progress interpolation Line, and determine the intermediate value straight line of each pressure sum for breathing the last moment；

It determines on LES along location subunit, is used for second interpolation curve and the intermediate value straight line LES described The nearest intersection point for setting upper end is determined as on LES along position；

It determines under LES along location subunit, is used for second interpolation curve and the intermediate value straight line LES described The nearest intersection point for setting lower end is determined as under LES along position.

Wherein, the determining channel the UES relaxation mark module includes:

The minimum dot element of UES relaxation is determined, for swallowing the corresponding UES in the position UES described in frame pressure cloud atlas for described Pressure minimum point on channel is determined as UES relaxation minimum point；

Third interpolating unit obtains third interpolation curve, and really for carrying out interpolation to the pressure on the channel UES Fixed second reference line and third reference line；

It determines UES relaxation starting position unit, is used for the third interpolation curve with second reference line described The nearest intersection point of UES relaxation minimum point left end is determined as UES relaxation starting position；

It determines UES relaxation end position unit, is used for the third interpolation curve with the third reference line described The nearest intersection point of UES relaxation minimum point right end is determined as UES relaxation end position.

Wherein, the determination swallows wave mark module and includes:

Determine pressure wave highest dot element, it is described for the corresponding position of Pressure maximum value on destination channel to be determined as Pressure wave highest point on destination channel；

4th interpolating unit, for obtaining the 4th interpolation curve to the pressure value progress interpolation on the destination channel, and Determine the 4th reference line；

Peak value type units are determined, for determining institute according to the intersection point of the 4th interpolation curve and the 4th reference line State the peak value type of destination channel；

It determines and swallows wave mark unit, for according to the peak value type and the 4th interpolation curve and described the The intersection point of four reference lines determines that swallowing on the destination channel and swallows wave end position at wave starting position.

Wherein, the determination swallow wave mark unit include:

Location subunit is determined, for determining the first position of left end bee and right end bee on the 4th interpolation curve The second position；

Intersection point subelement is determined, for the 4th interpolation curve and the 4th reference line is left in the first position The nearest intersection point at end is determined as left intersection point, by the 4th interpolation curve and the 4th reference line the second position most Inbreeding point is determined as right intersection point；

Computation subunit, for calculating the 4th interpolation curve in the left pressure mean value of the left intersection point left end and in institute State the right pressure mean value of right intersection point right end；

It determines and swallows wave mark subelement, for by the nearest intersection point of the 4th interpolation curve and the left pressure mean value It is determined as swallowing wave starting position, is determined as the nearest intersection point of the 4th interpolation curve and the right pressure mean value to swallow wave End position.

Wherein, any one of n 3,7 and 11 or multinomial combination.

To achieve the above object, this application provides a kind of electronic equipment, comprising:

Memory, for storing computer program；

Processor realizes following steps when for executing the computer program:

It obtains tranquillization frame pressure cloud atlas and swallows frame pressure cloud atlas, and the tranquillization frame pressure cloud atlas is pressed into esophagus position and is drawn It is divided into N section；Wherein, N is the positive integer greater than 1；

According to the pressure of each esophagus position of the tranquillization frame pressure cloud atlas topmost portion and the position UES is determined, according to institute It states the pressure at the breathing last moment of the lowermost part of tranquillization frame pressure cloud atlas and determines the position LES, and according to each breathing end The interpolation curve of the pressure sum at moment and the intersection point of intermediate value straight line determine on LES under position and LES along position；

It swallows the pressure minimum point on the corresponding channel UES in the position UES described in frame pressure cloud atlas by described and is determined as UES Relaxation minimum point, and according to the intersection point of the interpolation curve of the pressure value in the channel UES and the second reference line and third reference line Determine the relaxation starting position UES and UES relaxation end position；Wherein, second reference line is that UES relaxation minimum point is left The statistics pressure value at end, the third reference line are the statistics pressure value of UES relaxation minimum point right end；

The corresponding position of Pressure maximum value on destination channel is determined as the pressure wave highest point on the destination channel, And the peak value of the destination channel is determined according to the intersection point of the interpolation curve of the pressure value of the destination channel and the 4th reference line Type swallows wave starting position and swallows wave end position；Wherein, the destination channel swallows institute in frame pressure cloud atlas for described in The channel on LES along upward n centimetres of position is stated, the 4th reference line is the statistics pressure value of the destination channel.

To achieve the above object, this application provides a kind of computer readable storage medium, the computer-readable storages Computer program is stored on medium, the computer program realizes following steps when being executed by processor:

By above scheme it is found that a kind of esophagus provided by the present application surveys pressure mark identifying system, comprising: module is obtained, For obtaining tranquillization frame pressure cloud atlas and swallowing frame pressure cloud atlas, and the tranquillization frame pressure cloud atlas is divided by esophagus position N section；Tranquillization frame mark module is determined, for the pressure according to each esophagus position of the tranquillization frame pressure cloud atlas topmost portion With determine the position UES, according to the pressure at the breathing last moment of the lowermost part of the tranquillization frame pressure cloud atlas and determine LES Set, and according to each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line determine LES on along position with Along position under LES；The loose mark module in the channel UES is determined, for swallowing the correspondence of the position UES described in frame pressure cloud atlas for described The channel UES on pressure minimum point be determined as UES relaxation minimum point, and according to the interpolation of the pressure value in the channel UES song The intersection point of line and the second reference line and third reference line determines the relaxation starting position UES and UES relaxation end position；Determination is swallowed Wave mark module, for the corresponding position of Pressure maximum value on destination channel to be determined as the pressure wave on the destination channel Highest point, and the destination channel is determined according to the intersection point of the interpolation curve of the pressure value of the destination channel and the 4th reference line Peak value type, swallow wave starting position and swallow wave end position.

Esophagus provided by the present application surveys pressure mark identifying system, true in the way of each interpolation curve and each reference line intersection point Fixed each esophagus surveys pressure mark, and compared with the prior art relies on the mode of eye recognition, recognition accuracy is higher.With the knowledge of tranquillization collimation mark For, since the pressure of maximum pressure point neighbouring position seems similar with maximum pressure point for the position UES, Deviation is easy to appear by the maximum pressure point that eye-observation goes out on cloud atlas, such mode also relies on the accurate of cloud atlas drafting Property, and the application is by calculating and comparing the pressure of each esophagus position of tranquillization frame pressure cloud atlas topmost portion and determine maximum value Position, accuracy are higher.For LES above and below along the identification of position, the automatic identification position that respectively breathes the last moment first is utilized Each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line automatically determine LES above and below along position, and esophagus is surveyed The identification process digitlization of pressure mark, graphical, avoidable eye recognition bring individual difference, so that recognition result is more quasi- Really.In addition, esophagus provided by the present application, which surveys pressure mark identifying system, is divided into multiple portions for entire pressure cloud atlas, each mark is being identified Know calculate different pressure and when it is more targeted, calculation amount is small, and recognition speed is fast.By taking the position UES as an example, need to only it calculate quiet Cease frame pressure cloud atlas topmost portion each esophagus position pressure and, without calculating the pressure of entire tranquillization frame pressure cloud atlas With reduce the calculation amount in identification process, improve recognition speed.Disclosed herein as well is a kind of electronic equipment and a kind of meter Calculation machine readable storage medium storing program for executing, is equally able to achieve above-mentioned technical effect.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of structure chart of esophagus survey pressure mark identifying system disclosed in the embodiment of the present application；

Fig. 2 is a kind of structure chart of tranquillization frame mark module disclosed in the embodiment of the present application；

Fig. 3 is a kind of structure chart of the channel UES relaxation mark module disclosed in the embodiment of the present application；

Fig. 4 swallows the structure chart of wave mark module for a kind of determination disclosed in the embodiment of the present application；

Fig. 5 is the structure chart of a kind of electronic equipment disclosed in the embodiment of the present application；

Fig. 6 is the structure chart of another kind electronic equipment disclosed in the embodiment of the present application.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.

The embodiment of the present application discloses a kind of esophagus survey pressure mark identifying system, and the identification for improving esophageal manometry mark is quasi- Exactness.

Referring to Fig. 1, a kind of structure chart of esophagus survey pressure mark identifying system disclosed in the embodiment of the present application, as shown in Figure 1, Include:

Module 101 is obtained, for obtaining tranquillization frame pressure cloud atlas and swallowing frame pressure cloud atlas, and by the tranquillization frame pressure Cloud atlas is divided into N section by esophagus position；Wherein, N is the positive integer greater than 1；

It should be noted that high-resolution cloud atlas indicates that pressure data with the variation relation of anatomical position and time, uses Characterization pressure value, pressure is higher, and color is warmer, and pressure is lower, and color is colder, and horizontal axis is time shaft, and the longitudinal axis is esophagus solution Cut open position.In the present embodiment, high-resolution cloud atlas includes the tranquillization frame pressure cloud atlas (pressure of each esophagus position when not swallowing Cloud atlas) and swallow frame pressure cloud atlas (the pressure cloud atlas of each esophagus position when swallowing), from top to bottom respectively correspond human body esophagus Position is from top to bottom.

In specific implementation, module 101 is obtained to obtain tranquillization frame pressure cloud atlas first and swallow frame pressure cloud atlas.Due to portion It shares the meal survey pressure and is identified with its unique position characteristics, for example, the position UES one is scheduled on the upper section of pressure cloud atlas, the position LES One is scheduled on the lower part of pressure cloud atlas, therefore tranquillization frame pressure cloud atlas can be divided into multiple portions by esophagus position, right In specific division mode, those skilled in the art can be according to length of esophagus, UES and the LES of actual esophagus anatomical position Height etc. carries out flexible setting, is not specifically limited herein.Esophagus need to be only analyzed in subsequent analysis identification process surveys pressure mark Know corresponding part, reduces the workload calculated in identification process, improve recognition speed.

Tranquillization frame mark module 102 is determined, for each esophagus position according to the tranquillization frame pressure cloud atlas topmost portion Pressure and determine the position UES, according to the pressure and determination at the breathing last moment of the lowermost part of the tranquillization frame pressure cloud atlas The position LES, and determined on LES according to each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line along position Set under LES along position；

In specific implementation, determine that tranquillization frame mark module 102 is responsible for identifying tranquillization collimation mark in tranquillization frame pressure cloud atlas Know, mainly include the position UES, the position LES and LES under along position (i.e. along position under position and LES on LES).Specifically, It is the position of Pressure maximum value for the position UES, by the pressure data of each esophagus position of tranquillization frame pressure cloud atlas topmost portion It the sum of changes over time and to be projected in ordinate, identify the ordinate position on axis of ordinates where maximum value, the as position UES. It is understood that being likely to occur multiple maximum pressures in a practical situation and several maximum pressures and correspondence can be taken at this time The mean place of position.

Last maximum pressure point is breathed for the position LES, because diaphram is to descend lift when patient does inhalation effort , the strength of diaphram can be reinforced, but exhale when, the strength of diaphram can weaken, but LES will not with breathing and Fluctuate, thus end-tidal when pressure, substantially be exactly LES pressure, wherein intra-abdominal pressure is with the position where diaphram band Presentation periodically variation is set, pressure declines when expiration, and pressure rises when air-breathing, can use changing rule identification of breathing end Moment, specific recognition methods will describe in detail in subsequent embodiment.After recognizing the breathing last moment, when each breathing is last The sum of pressure at quarter projects to ordinate, identifies the ordinate position on axis of ordinates where maximum value, the as position LES.

For LES high pressure belt need to be included along position under on LES, it is high pressure belt lower edges position, visually sees i.e. face Color jumping post.Specifically, on longitudinal axis by the projection of the sum of pressure value at each end-tidal moment, by the pressure and data on the longitudinal axis It carries out interpolation and obtains pressure curve P2, find out longitudinal axis pressure and intermediate value straight line Pmid, find median pressure value straight line Pmid and curve The intersection point of P2 finds out and distinguishes nearest two intersection points up, down up and down from the position LES.Up and down is in right on axis of ordinates The position answered be on LES under along position.

The loose mark module 103 in the channel UES is determined, for swallowing the correspondence of the position UES described in frame pressure cloud atlas for described The channel UES on pressure minimum point be determined as UES relaxation minimum point, and according to the interpolation of the pressure value in the channel UES song The intersection point of line and the second reference line and third reference line determines the relaxation starting position UES and UES relaxation end position；Wherein, institute The statistics pressure value that the second reference line is UES relaxation minimum point left end is stated, the third reference line is UES relaxation The statistics pressure value of minimum point right end；

In specific implementation, it determines that the channel UES relaxation mark module 103 is responsible for identifying in swallowing frame pressure cloud atlas to swallow UES relaxation minimum point, beginning and end position in collimation mark knowledge.Specifically, for UES relaxation minimum point, it will be in a upper module The position UES recognized in tranquillization frame pressure cloud atlas, which corresponds to, swallows frame pressure cloud atlas and determines the channel UES, pressure on the channel The numerical value changed over time finds pressure lowest point, i.e. UES relaxation minimum point.

UES relaxation is started, end position, the second reference line and third reference line is set first, the second reference line by The pressure value of UES relaxation minimum point left end determines that the second reference line is determined by the pressure value of UES relaxation minimum point right end.Second The specific value of reference line determines method are as follows: collects a large amount of patient UES channel pressure data, handmarking's relaxation minimum point left end Pressure value, find out all people's work and mark quantile relative to the channel pressure data, using y=b straight line to all points Site is fitted, and obtain b determines value, the as specific value of the second reference line.For example, it is assumed that finding out quantile is 3/4, The pressure value of handmarking's relaxation minimum point left end has 1,2,3,4,5,6,7,8 totally 8 data, and 8 are equal to 6 multiplied by 3/4, then and 3/4 Quantile is according to the 6th data in sequence from small to large in 8 data, i.e., it is 6 that 3/4 point, which is value a little, the second reference line It is 6.The method of determination of each reference line specific value with it is similar herein, it is subsequent no longer to be repeated.In addition, on the channel UES Pressure value carries out interpolation, obtains interpolation curve P3, in the intersection point of the second reference line and P3 the relaxation minimum point left side UES and with In UES relaxation minimum point in the intersection point of the nearest as UES relaxation starting position of UES relaxation minimum point, third reference line and P3 The right and the as UES relaxation end position nearest with UES relaxation minimum point.

Wave mark module 104 is swallowed in determination, for the corresponding position of Pressure maximum value on destination channel to be determined as institute State the pressure wave highest point on destination channel, and according to the interpolation curve of the pressure value of the destination channel and the 4th reference line Intersection point determines the peak value type of the destination channel, swallows wave starting position and swallows wave end position；Wherein, the target is logical Road is the channel swallowed LES described in frame pressure cloud atlas on along upward n centimetres of position, and the 4th reference line is the mesh Mark the statistics pressure value in channel.

In specific implementation, determine that swallowing wave mark module 104 is responsible for identifying destination channel in swallowing frame pressure cloud atlas On swallow wave mark (including pressure wave highest point, peak value type and swallow wave start, end position).Pressure curve is divided into more Peak (bimodal, three peaks etc.) with it is unimodal, without DP mark pressure channel be it is unimodal, have DP identify pressure channel be it is bimodal.It is double The judgment criteria at peak is the trough that at least one pressure wave is 10mmHg between adjacent wave crest, and adjacent wave is at least spaced one Second, there are in the case where multimodal, swallow wave to start that multimodal should be included with end position.Specifically, the upper edge LES L1 can be identified (3cm), L2 (7cm), pressure highest point at the channel L3 (11cm) and swallow wave start, end position, each destination channel Recognition methods is consistent.

It is Pressure maximum value P on the destination channel for pressure wave highest point_max.For peak value type, swallows wave and start And end position, equally use intersection method.Specifically, the 4th reference line on setting destination channel, by the pressure on destination channel Force value determines, and carries out interpolation to the pressure on destination channel, obtains interpolation curve P4, seeks the intersection point of the 4th reference line and P4, P_maxThe intersection point x1, x2 on the left side ..., xk is (successively far from P_max), P_maxThe intersection point y1, y2 on the right ..., yk is (successively far from P_max), The peak value type of destination channel can be identified according to above-mentioned intersection point, swallows wave beginning and end position, for specifically identifying Journey the present embodiment will be described in detail without specifically limiting in subsequent embodiment.

Esophagus provided by the embodiments of the present application surveys pressure mark identifying system, utilizes each interpolation curve and each reference line intersection point Mode determines that each esophagus surveys pressure mark, and compared with the prior art relies on the mode of eye recognition, recognition accuracy is higher.With tranquillization For collimation mark is known, since the pressure of maximum pressure point neighbouring position seems with maximum pressure point difference not for the position UES It is more, therefore deviation is easy to appear by the maximum pressure point that eye-observation goes out on cloud atlas, such mode also relies on cloud atlas and draws The accuracy of system, and the application by calculate and compare tranquillization frame pressure cloud atlas topmost portion each esophagus position pressure and really Determine maximum value position, accuracy is higher.For LES above and below along the identification of position, the automatic identification position that respectively breathes the last moment first It sets, automatically determines LES above and below along position using each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line, The identification process that esophagus surveys pressure mark is digitized, is graphical, can avoid eye recognition bring individual difference, so that identification knot Fruit is more accurate.In addition, esophagus provided by the embodiments of the present application survey pressure mark identifying system entire pressure cloud atlas is divided into it is multiple Part, identify each mark calculate different pressure and when it is more targeted, calculation amount is small, and recognition speed is fast.With the position UES For, only need to calculate tranquillization frame pressure cloud atlas topmost portion each esophagus position pressure and, without calculating entire tranquillization The pressure of frame pressure cloud atlas and, reduce the calculation amount in identification process, improve recognition speed.

The embodiment of the present application discloses a kind of tranquillization frame mark module, and relative to a upper embodiment, the present embodiment is to technology Scheme has made further instruction and optimization.It is specific:

Referring to fig. 2, the structure chart of a kind of tranquillization frame mark module provided by the embodiments of the present application, as shown in Figure 2, comprising:

Determine UES position units 201, each esophagus position of the topmost portion for calculating the tranquillization frame pressure cloud atlas Pressure and, and the corresponding esophagus position of the maximum value of the pressure sum is determined as the position UES；

It determines LES position units 202, is determined for the lowermost part in the tranquillization frame pressure cloud atlas and breathe the last moment, And the corresponding esophagus position of maximum value of each pressure sum for breathing the last moment is determined as the position LES；

Preferably, the determining LES position units include:

The present embodiment will be described in detail the identification process for breathing the last moment, the first lowermost part in tranquillization frame pressure cloud atlas The determining and consistent channel of intra-abdominal pressure Pressure Variation is intra-abdominal pressure channel, due in the Pressure Variation and abdomen in the channel Pressure is consistent, it is possible to according to the rule identification end-tidal moment of the channel pressure up and down.

In specific implementation, the first reference line on the channel is set, is determined by the pressure value on the channel, and to channel On pressure carry out interpolation, obtain interpolation curve P1, ask the first reference line and the intersection point of P1, successively judge that pressure is flat between each intersection point The size relation of mean value and the first reference line, if between pressure mean value be greater than the first reference line, left intersection point be pressure exhale Last moment position, if between pressure mean value less than the first reference line, right intersection point is pressure end-tidal moment position, i.e. intersection point Corresponding position of the middle slope greater than 0 is to breathe the last moment.

Along position units 203 under determining on LES, for obtaining to each pressure for breathing the last moment and progress interpolation Second interpolation curve, and determine the intermediate value straight line of each pressure sum for breathing the last moment, according to second interpolation curve with The intersection point of the intermediate value straight line determines on LES under position and LES along position.

Preferably, on the determining LES under along position units include:

The embodiment of the present application discloses a kind of channel UES relaxation mark module, relative to one embodiment, the present embodiment Further instruction and optimization have been made to technical solution.It is specific:

Referring to Fig. 3, a kind of structure chart of the channel UES relaxation mark module provided by the embodiments of the present application, as shown in figure 3, Include:

The minimum dot element 301 of UES relaxation is determined, for swallow the position UES described in frame pressure cloud atlas corresponding by described Pressure minimum point on the channel UES is determined as UES relaxation minimum point；

Third interpolating unit 302, for obtaining third interpolation curve to the pressure progress interpolation on the channel UES, and Determine the second reference line and third reference line；

It determines UES relaxation starting position unit 303, is used for the third interpolation curve and second reference line in institute The nearest intersection point for stating UES relaxation minimum point left end is determined as UES relaxation starting position；

It determines UES relaxation end position unit 304, is used for the third interpolation curve and the third reference line in institute The nearest intersection point for stating UES relaxation minimum point right end is determined as UES relaxation end position.

The embodiment of the present application discloses a kind of determination and swallows wave mark module, relative to one embodiment, the present embodiment Further instruction and optimization have been made to technical solution.It is specific:

Referring to fig. 4, the structure chart of wave mark module is swallowed in a kind of determination provided by the embodiments of the present application, as shown in figure 4, packet It includes:

Pressure wave highest dot element 401 is determined, for the corresponding position of Pressure maximum value on destination channel to be determined as Pressure wave highest point on the destination channel；

4th interpolating unit 402 obtains the 4th interpolation song for carrying out interpolation to the pressure value on the destination channel Line, and determine the 4th reference line；

Determine peak value type units 403, it is true for the intersection point according to the 4th interpolation curve and the 4th reference line The peak value type of the fixed destination channel；

In specific implementation, the 4th reference line on destination channel is set, is determined by the pressure value on destination channel, and right Pressure on destination channel carries out interpolation, obtains interpolation curve P4, asks the intersection point of the 4th reference line and P4, P_maxThe intersection point on the left side X1, x2 ..., xk is (successively far from P_max), P_maxThe intersection point y1, y2 on the right ..., yk is (successively far from P_max), sentenced according to above-mentioned intersection point Other P_maxThe right and left whether there is other wave crests, and the both sides method of discrimination on both sides is the same, with P_maxThe intersection point of the intersection point on the left side For specific method of discrimination are as follows:

Step 1: judge between x1, x2 with the presence or absence of the pressure lower than 10mmHg；If so, two are entered step, if it is not, Then P_maxOther wave crests are not present in the left side；

Step 2: judge the maximum value and P between x2, x3_maxTime interval whether be greater than 1 second；If so, x2, x3 it Between there are a wave crests, if it is not, then P_maxOther wave crests are not present in the left side；

Successively judge to whether there is other waves between x3, x4, between x5, x6 etc. using the method similar with above-mentioned steps Peak.If P_maxWave crest is all not present in left and right both sides, then the destination channel is unimodal, and otherwise the peak value type of the destination channel is Multimodal.

It determines and swallows wave mark unit 404, for according to the peak value type and the 4th interpolation curve and institute The intersection point for stating the 4th reference line determines that swallowing on the destination channel and swallows wave end position at wave starting position.

Preferably, the determination swallow wave mark unit include:

In specific implementation, according to the wave crest determined in determining peak value type units 403, first for finding left end bee It sets, nearest intersection point P is then found on the left side of first position_left, the destination channel is calculated in P_leftThe pressure mean value of left end, Distance P in the pressure mean value and P4 intersection point_leftNearest point is to swallow wave starting position on the destination channel.For swallowing The identification process of wave end position is similar with the above process, i.e., the second position of right end bee is found first, then in second Find nearest intersection point P in the right set_right, the destination channel is calculated in P_rightThe pressure mean value of right end, the pressure mean value and P4 Distance P in intersection point_rightNearest point is to swallow wave end position on the destination channel.

Present invention also provides a kind of electronic equipment, referring to Fig. 5, the knot of a kind of electronic equipment provided by the embodiments of the present application Composition, as shown in Figure 5, comprising:

Memory 100, for storing computer program；

Processor 200, may be implemented following steps when for executing the computer program:

Specifically, memory 100 includes non-volatile memory medium, built-in storage.Non-volatile memory medium storage There are operating system and computer-readable instruction, which is that the operating system and computer in non-volatile memory medium can The operation of reading instruction provides environment.Processor 200 provides calculating and control ability for electronic equipment, executes the memory 100 When the computer program of middle preservation, the function that above-mentioned esophagus surveys pressure mark identifying system may be implemented.

Electronic equipment provided by the embodiments of the present application determines each food in the way of each interpolation curve and each reference line intersection point Pressure mark is surveyed in road, and compared with the prior art relies on the mode of eye recognition, recognition accuracy is higher.By taking the knowledge of tranquillization collimation mark as an example, Since the pressure of maximum pressure point neighbouring position seems similar with maximum pressure point for the position UES, in cloud Deviation is easy to appear by the maximum pressure point that eye-observation goes out on figure, such mode also relies on the accuracy of cloud atlas drafting, And the application is by calculating and comparing the pressure of each esophagus position of tranquillization frame pressure cloud atlas topmost portion and determine maximum value position It sets, accuracy is higher.For LES above and below along the identification of position, the automatic identification position that respectively breathes the last moment first, using each The interpolation curve of pressure sum and the intersection point of intermediate value straight line for breathing the last moment automatically determine LES above and below along position, and esophagus is surveyed and is pressed The identification process digitlization of mark, graphical, avoidable eye recognition bring individual difference, so that recognition result is more quasi- Really.In addition, entire pressure cloud atlas is divided into multiple portions by electronic equipment provided by the embodiments of the present application, each mark calculating is being identified Different pressure and when it is more targeted, calculation amount is small, and recognition speed is fast.By taking the position UES as an example, tranquillization frame pressure need to be only calculated The pressure of each esophagus position of power cloud atlas topmost portion and, without calculate entire tranquillization frame pressure cloud atlas pressure and, subtract Lack the calculation amount in identification process, improves recognition speed.

On the basis of the above embodiments, preferably, referring to Fig. 6, the electronic equipment further include:

Input interface 300 is connected with processor 200, for obtaining computer program, parameter and the instruction of external importing, It saves through the control of processor 200 into memory 100.The input interface 300 can be connected with input unit, and it is manual to receive user The parameter or instruction of input.The input unit can be the touch layer covered on display screen, be also possible to be arranged in terminal enclosure Key, trace ball or Trackpad, be also possible to keyboard, Trackpad or mouse etc..Specifically, in the present embodiment, Ke Yitong Cross the value etc. that input interface 300 inputs each reference line.

Display unit 400 is connected with processor 200, the data sent for video-stream processor 200.The display unit 400 It can be display screen, liquid crystal display or the electric ink display screen etc. in PC machine.It, can be with specifically, in the present embodiment Show that each esophagus recognized surveys pressure mark etc. by display unit 400.

The network port 500 is connected with processor 200, for being communicatively coupled with external each terminal device.The communication link The communication technology used by connecing can be cable communicating technology or wireless communication technique, and such as mobile high definition chained technology (MHL) leads to It is blue with universal serial bus (USB), high-definition media interface (HDMI), adopting wireless fidelity technology (WiFi), Bluetooth Communication Technology, low-power consumption The tooth communication technology, communication technology based on IEEE802.11s etc..Specifically, in the present embodiment, the network port can be passed through 500 import tranquillization frame pressure cloud atlas to processor 200 and swallow frame pressure cloud atlas etc..

Present invention also provides a kind of computer readable storage medium, the storage medium may include: USB flash disk, mobile hard disk, Read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic The various media that can store program code such as dish or CD.Computer program, the calculating are stored on the storage medium Machine program realizes following steps when being executed by processor:

The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration ?.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application It is interior.

It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

Claims

1. a kind of esophagus surveys pressure mark identifying system characterized by comprising

Module is obtained, for obtaining tranquillization frame pressure cloud atlas and swallowing frame pressure cloud atlas, and the tranquillization frame pressure cloud atlas is pressed Esophagus position is divided into N section；Wherein, N is the positive integer greater than 1；

Determine tranquillization frame mark module, for according to the pressure of each esophagus position of the tranquillization frame pressure cloud atlas topmost portion and It determines the position UES, according to the pressure at the breathing of the lowermost part of the tranquillization frame pressure cloud atlas last moment and determines the position LES, And it is determined on LES according to each interpolation curve of pressure sum for breathing the last moment and the intersection point of intermediate value straight line along position and LES It is lower along position；

The channel UES relaxation mark module is determined, for swallowing the corresponding UES in the position UES described in frame pressure cloud atlas by described and leading to Pressure minimum point on road is determined as UES relaxation minimum point, and the interpolation curve and second of the pressure value according to the channel UES The intersection point of reference line and third reference line determines the relaxation starting position UES and UES relaxation end position；Wherein, second base Directrix is the statistics pressure value of UES relaxation minimum point left end, and the third reference line is that UES relaxation minimum point is right The statistics pressure value at end；

Wave mark module is swallowed in determination, is led to for the corresponding position of Pressure maximum value on destination channel to be determined as the target Pressure wave highest point on road, and determined according to the intersection point of the interpolation curve of the pressure value of the destination channel and the 4th reference line The peak value type of the destination channel swallows wave starting position and swallows wave end position；Wherein, the destination channel is described The channel on LES described in frame pressure cloud atlas along upward n centimetres of position is swallowed, the 4th reference line is the destination channel Statistics pressure value.

2. esophagus surveys pressure mark identifying system according to claim 1, which is characterized in that the determining tranquillization collimation mark knows mould Block, comprising:

Determine UES position units, the pressure of each esophagus position of the topmost portion for calculating the tranquillization frame pressure cloud atlas and, And the corresponding esophagus position of the maximum value of the pressure sum is determined as the position UES；

It determines LES position units, is determined for the lowermost part in the tranquillization frame pressure cloud atlas and breathe the last moment, and by each institute The corresponding esophagus position of maximum value for stating the pressure sum for breathing the last moment is determined as the position LES；

Along position units under determining on LES, for obtaining the second interpolation to each pressure for breathing the last moment and progress interpolation Curve, and determine the intermediate value straight line of each pressure sum for breathing the last moment, according to second interpolation curve and the intermediate value The intersection point of straight line determines on LES under position and LES along position.

3. esophagus surveys pressure mark identifying system according to claim 2, which is characterized in that the determining LES position units packet It includes:

It determines intra-abdominal pressure channel subelement, becomes for the lowermost part determination in the tranquillization frame pressure cloud atlas with intra-abdominal pressure pressure The consistent channel of law is intra-abdominal pressure channel；

First interpolation subelement, for obtaining the first interpolation curve to the pressure value progress interpolation on the intra-abdominal pressure channel, and Determine the first reference line；Wherein, first reference line is the statistics pressure value in the intra-abdominal pressure channel；

It determines and breathes last moment subelement, for determining the intersection point of first interpolation curve Yu first reference line, and will Corresponding position of the slope greater than 0 is determined as breathing the last moment in the intersection point；

LES location subunit is determined, for the corresponding esophagus position of maximum value of each pressure sum for breathing the last moment is true It is set to the position LES.

4. esophagus surveys pressure mark identifying system according to claim 2, which is characterized in that along position under on the determining LES Unit includes:

Second interpolation subelement, for obtaining the second interpolation curve to each pressure for breathing the last moment and progress interpolation, and Determine the intermediate value straight line of each pressure sum for breathing the last moment；

It determines on LES along location subunit, is used for second interpolation curve and the intermediate value straight line in the position LES The nearest intersection point at end is determined as on LES along position；

It determines under LES along location subunit, is used for second interpolation curve and the intermediate value straight line under the position LES The nearest intersection point at end is determined as under LES along position.

5. esophagus surveys pressure mark identifying system according to claim 1, which is characterized in that the determining channel the UES relaxation mark Knowing module includes:

The minimum dot element of UES relaxation is determined, for swallowing the corresponding channel UES in the position UES described in frame pressure cloud atlas for described On pressure minimum point be determined as UES relaxation minimum point；

Third interpolating unit obtains third interpolation curve for carrying out interpolation to the pressure on the channel UES, and determines the Two reference lines and third reference line；

UES relaxation starting position unit is determined, for the third interpolation curve and second reference line is loose in the UES The nearest intersection point of relaxation minimum point left end is determined as UES relaxation starting position；

UES relaxation end position unit is determined, for the third interpolation curve and the third reference line is loose in the UES The nearest intersection point of relaxation minimum point right end is determined as UES relaxation end position.

6. esophagus surveys pressure mark identifying system according to claim 1, which is characterized in that wave mark module is swallowed in the determination Include:

Pressure wave highest dot element is determined, for the corresponding position of Pressure maximum value on destination channel to be determined as the target Pressure wave highest point on channel；

4th interpolating unit obtains the 4th interpolation curve, and determine for carrying out interpolation to the pressure value on the destination channel 4th reference line；

Peak value type units are determined, for determining the mesh according to the intersection point of the 4th interpolation curve and the 4th reference line Mark the peak value type in channel；

It determines and swallows wave mark unit, for according to the peak value type and the 4th interpolation curve and the 4th base The intersection point of directrix determines that swallowing on the destination channel and swallows wave end position at wave starting position.

7. esophagus surveys pressure mark identifying system according to claim 6, which is characterized in that wave mark unit is swallowed in the determination Include:

Location subunit is determined, for determining of the first position of left end bee and right end bee on the 4th interpolation curve Two positions；

Determine intersection point subelement, for by the 4th interpolation curve and the 4th reference line in the first position left end Nearest intersection point is determined as left intersection point, the most inbreeding by the 4th interpolation curve with the 4th reference line in the second position Point is determined as right intersection point；

Computation subunit, for calculating the 4th interpolation curve in the left pressure mean value of the left intersection point left end and on the right side The right pressure mean value of intersection point right end；

It determines and swallows wave mark subelement, for determining the nearest intersection point of the 4th interpolation curve and the left pressure mean value To swallow wave starting position, being determined as the nearest intersection point of the 4th interpolation curve and the right pressure mean value to swallow wave terminates Position.

8. esophagus described according to claim 6 or 7 surveys pressure mark identifying system, which is characterized in that any in n 3,7 and 11 Item appoints multinomial combination.

9. a kind of esophagus surveys pressure mark identification equipment characterized by comprising

Memory, for storing computer program；

Processor realizes following steps when for executing the computer program:

It obtains tranquillization frame pressure cloud atlas and swallows frame pressure cloud atlas, and the tranquillization frame pressure cloud atlas is divided by esophagus position N section；Wherein, N is the positive integer greater than 1；

According to the pressure of each esophagus position of the tranquillization frame pressure cloud atlas topmost portion and the position UES is determined, according to described quiet It ceases the pressure at the breathing last moment of the lowermost part of frame pressure cloud atlas and determines the position LES, and according to each breathing last moment The interpolation curve of pressure sum and the intersection point of intermediate value straight line determine on LES under position and LES along position；

The pressure minimum point swallowed on the corresponding channel UES in the position UES described in frame pressure cloud atlas is determined as UES relaxation Minimum point, and determined according to the intersection point of the interpolation curve of the pressure value in the channel UES and the second reference line and third reference line The relaxation starting position UES and UES relaxation end position；Wherein, second reference line is UES relaxation minimum point left end Statistics pressure value, the third reference line are the statistics pressure value of UES relaxation minimum point right end；

The corresponding position of Pressure maximum value on destination channel is determined as the pressure wave highest point on the destination channel, and root According to the interpolation curve of the pressure value of the destination channel and the intersection point of the 4th reference line determine the destination channel peak value type, It swallows wave starting position and swallows wave end position；Wherein, the destination channel swallows LES described in frame pressure cloud atlas to be described On along the channel of upward n centimetres of position, the 4th reference line is the statistics pressure value of the destination channel.

10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program, the computer program realize following steps when being executed by processor: