CN110074771A - A kind of detection system of the narrow airway tone of precise measurement - Google Patents
A kind of detection system of the narrow airway tone of precise measurement Download PDFInfo
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- CN110074771A CN110074771A CN201910180764.6A CN201910180764A CN110074771A CN 110074771 A CN110074771 A CN 110074771A CN 201910180764 A CN201910180764 A CN 201910180764A CN 110074771 A CN110074771 A CN 110074771A
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- sacculus
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- measurement
- tension
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/036—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs by means introduced into body tracts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6853—Catheters with a balloon
Abstract
A kind of detection system of the narrow airway tone of precise measurement, comprising: detection device and computer data connected to it collect and survey system；Detection device includes: sacculus, push rod, syringe and pressure transducer；It is cannulated structure in sacculus, sacculus outer wall is equipped with pressure detecting film, and pressure detecting film includes multiple equally distributed pressure sensors；The side of push rod is connect with sacculus, and the other side of push rod is connect with syringe and pressure transducer respectively, and push rod is built-in with guidewire lumen, seal wire is equipped in guidewire lumen, seal wire passes through the hollow structure in sacculus, and the part of seal wire protrusion sacculus forms tip；The calculating that system carries out the tension that pressure detecting film receives is collected and surveyed by computer data.
Description
Technical field
The present invention relates to the detection systems of medical instruments field more particularly to a kind of narrow airway tone of precise measurement.
Background technique
Air flue, including tracheae and bronchus at different levels can lead to the benign of air flue because of diseases such as tumour, inflammation, wound, tuberculosis
And malignant stricture, serious person understand critical patient's life, by foley's tube Stent Implantation are to solve airway constriction at narrow air flue
Very effective means, but the different causes of disease, different stenosis causes the tension of stenosis different, such as wound or tuberculosis
Cicatricial stricture tension is higher, and narrow then tension caused by malignant tumour etc. is relatively low.Its support force of the bracket of merging needs
It is matched with the tension of stenosis, if bracket support force is too small, narrow air flue is possible to Zhang Bukai, supporting role is not had, and
And bracket is easy to slip, and blocks distal end air flue, it is possible to cause bigger risk；If bracket support force is excessive, it is also possible to lead
Airway mucus and cartilage tear are caused, more serious cicatricial stricture is will also result in after causing tracheal fistula, future to repair, can also stimulate meat
Bud hyperblastosis.
Existing technology and methods can not accurately detect the tension of narrow air flue, can not more accurately select suitably to prop up
Frame needs to research and develop a kind of device for capableing of each tension of precise measurement airway constriction, is future according to each point of narrow air flue
The difference of tension accurately reasonably designs suitable bracket, lays the foundation, with very important clinical meaning and economic effect
Benefit.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of detection system of narrow airway tone of precise measurement, specific side
Case is as follows:
A kind of detection system of the narrow airway tone of precise measurement, comprising: detection device and computer connected to it
Data collection analysis system；
It includes power module, measurement module, memory module, central processing module and figure that computer data, which collects and surveys system,
As output module, wherein power module is used to be powered for each module, and memory module is stored with the position of each pressure sensor
Dot position information and tension distribution model；
Detection device includes: sacculus, push rod, syringe and pressure transducer；
It is cannulated structure in sacculus, sacculus outer wall is equipped with pressure detecting film, and pressure detecting film includes multiple equal
The pressure sensor of even distribution；Each pressure sensor connect respectively with measurement module, provide each point for measurement module
Sensor electric signal；The side of push rod is connect with sacculus, and the other side of push rod connects with syringe and pressure transducer respectively
It connects, push rod is built-in with guidewire lumen, seal wire is equipped in guidewire lumen, seal wire passes through the hollow structure in sacculus, and seal wire protrudes ball
The part of capsule forms tip；
Measurement module is equipped with transducer interface and sensor interface, and passes respectively with pressure transducer and each pressure
Sensor connection；The pressure conversion being collected into from sacculus at pressure value signal and is sent to measurement module by pressure transducer；Measurement
After module receives the sensor electric signal that each pressure sensor is sent, site letter is carried out to each sensor electric signal respectively
Breath label, and after carry out site information label sensor electric signal and pressure value signal be sent to central processing module；In
After sensor electric signal and corresponding pressure value signal that centre processing module receives, site location is transferred from memory module
Information calculates and generates tension distribution data list, and transfers from memory module corresponding tension difference model, then
Model is sent to image output module respectively for the list of power distributed data and tension；
Image output module is updated to the data of the tension distribution data list received the tension distribution mould received
In type, two dimension or three-dimensional tension distribution image are formed.
Preferably, pressure detecting film is annular, is socketed in sacculus outer surface, and pressure detecting film includes outer membrane
And internal layer membrane；
The side of internal layer membrane and the outer surface of sacculus fit, and it is band-like that the other side of internal layer membrane is equipped with several columns first
Conductor, the first tape conductor are direction and the tape conductor that sacculus inner guide wire is parallel to each other；
The side of outer membrane is equipped with several the second tape conductors of row, and the second conductor is the tape conductor of folding annular；
The appearance of tape conductor is coated with pressure-sensitive semiconductor coating；
The first tape conductor of several columns and the second tape conductor of several rows are arranged between internal layer membrane and outer membrane,
And first is equipped with the working clearance between tape conductor and the second tape conductor；The first tape conductor of several columns and several the second bands of row
It is mutually perpendicular between shape conductor, forms several measurement crosspoints；Several measurement crosspoints form pressure sensing lattice array.
It is furthermore preferred that the first tape conductor of several columns is fixedly connected with internal layer membrane, and individually it is connected with wire；
One end of several the second tape conductors of row is fixedly connected with outer membrane, and is individually connected with wire.
Further, the outer membrane of pressure detecting film and internal layer membrane is closed annular；
The length of pressure detecting film and the length of sacculus match, and the interior diameter of pressure detecting film and sacculus wither shape
Overall diameter when state matches.
Further, outer membrane and internal layer membrane are elastic film；
Outer membrane forms closed annular by way of being staggeredly stacked and is equipped with overlap, and the side of the outer layer of overlap
Edge is fixedly connected with the surface of the internal layer of overlap, and the outer layer of overlap is equipped with extension section.
Further, internal layer membrane is additionally provided with the first calibration tape conductor, the vertical tape conductor and first band-like calibrated
Conductor is parallel；
Outer membrane is additionally provided with the second calibration tape conductor of folding annular, calibrates tape conductor and the second tape conductor is flat
Row；
First calibration tape conductor is mutually perpendicular to the second calibration tape conductor, forms several calibration crosspoints；It is several
A calibration crosspoint forms calibration lattice array.
Using a kind of a kind of tension calculation method of the detection system of the narrow airway tone of precise measurement, including following step
It is rapid:
S1: basic suffered by each measurement crosspoint in pressure sensing lattice array when sacculus is in collapsed state open is calculated
The distance between each calibration crosspoint in force value and calibration lattice array, and store calculated result；
S2: air or physiological saline are injected in sacculus, expands sacculus from small to large, sacculus is calculated and is in a certain expansion
Basic tension value suffered by each measurement crosspoint, the calibration current value in each calibration crosspoint and pressure are changed when Zhang Chengdu
The balloon interior pressure value that energy device is measured, and store calculated result；
S3: repeating step S2, obtains the basic tension value of multiple groups in each measurement crosspoint, the multiple groups in each calibration crosspoint
The data of current value and multiple groups balloon interior pressure value are calibrated,
S4: opposite the half of each point of pressure detecting film is calculated according to each group calibration current value according to step S3 storage
Diameter change curve, and obtained according to relative radius change curve, by step S1 and S3 the basic tension Value Data of each group, each group
Current value and balloon interior pressure value are calibrated, the mathematical model of basic tension is generated；
S5: when measuring, the measurement tension value in each measurement crosspoint is measured and is calculated, while measuring each calibration and handing over
The calibration current value and balloon interior pressure value of crunode, and store；
S6: basic tension when measurement is calculated；The calibration electric current in each calibration crosspoint measured by step S5
Value and balloon interior pressure value substitute into the mathematical model by the step S4 basic tension generated, calculate each measurement crosspoint
Basic tension value；
S7: airway tone is calculated；Computer data analysis system is transferred is intersected by each measurement that step S5 is measured
The measurement tension value of point, and the basic tension by the calculated each measurement crosspoint step S6 is individually subtracted, obtain pressure
Sense the airway tone size that each point is final in lattice array.
It is of the invention reach the utility model has the advantages that a kind of detection system of the narrow airway tone of precise measurement, can precisely survey
The tension of each point on the whole face of narrow air flue is measured, it is accurate to close for the following difference according to each tension of narrow air flue
The suitable bracket of the design of reason lays the foundation.
Detailed description of the invention
Fig. 1 is a kind of system module figure of the detection system of narrow airway tone of precise measurement.
Fig. 2 is a kind of basic structure schematic diagram of the detection system of narrow airway tone of precise measurement.
Fig. 3 is a kind of sacculus of the detection system of narrow airway tone of precise measurement and the cross-section structure of pressure detecting film
Schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
A kind of detection system of the narrow airway tone of precise measurement, as depicted in figs. 1 and 2, comprising: detection device and with
Its computer data connected collects and surveys system；
Detection device includes: sacculus 1, push rod 2, syringe and pressure transducer；
It is cannulated structure in sacculus 1,1 outer wall of sacculus is equipped with pressure detecting film 6, and pressure detecting film 6 includes more
A equally distributed pressure sensor；The side of push rod 2 is connect with sacculus 1, and the other side of push rod 3 passes through three threeways 4
Syringe ports 4-1 and pressure transducer port 4-2 connect respectively with syringe and pressure transducer, wherein each pressure
Force snesor is individually connect with pressure transducer；Push rod 2 is built-in with guidewire lumen, is equipped with seal wire 3, seal wire 3 in guidewire lumen
Hollow structure in sacculus 1, and seal wire 3 protrudes the part formation tip of sacculus 1；Seal wire 3 is set there are two mark point 5, and two
A mark point 5 is arranged in sacculus；
It includes power module, measurement module, memory module, central processing module and figure that computer data, which collects and surveys system,
As output module, wherein power module is used to be powered for each module；Measurement module, image output module and memory module
It is individually connect with central processing module respectively, and memory module is stored with site location information, the tension distribution of pressure sensor
Model and relevant tension calculation formula；
Measurement module is equipped with transducer interface and sensor interface, and passes respectively with pressure transducer and each pressure
Sensor individually connects；The hydraulic pressure or air pressure that are collected into from sacculus 1 are converted into pressure value signal and are sent to survey by pressure transducer
Measure module；；After measurement module receives the sensor electric signal that each pressure sensor is sent, respectively to each sensor telecommunications
Number carry out site information label, and after carry out site information label sensor electric signal and pressure value signal be sent to center
Processing module；After sensor electric signal and corresponding pressure value signal that central processing module receives, from memory module
Site location information is transferred, calculate and generates tension distribution data list, and transfers corresponding tension difference from memory module
Model, then tension distribution data list and tension, model is sent to image output module respectively；Wherein, tension distribution data
List include each sensor measurement site tension and corresponding site location information, and tension distribution data list is associated with
Air pressure or hydraulic pressure value in sacculus 1.
Image output module is updated to the data of the tension distribution data list received the tension distribution mould received
In type, two dimension or three-dimensional tension distribution image are formed.
Specifically, as shown in figure 3, pressure detecting film 6 be annular, be socketed in 1 outer surface of sacculus, and pressure detecting film
6 include outer membrane 62 and internal layer membrane 61；The side of internal layer membrane 61 and the outer surface of sacculus 1 fit, internal layer membrane 61
The other side be equipped with the first tape conductor of several columns 611, the first tape conductor 611 be direction be parallel to each other with 1 inner guide wire 3 of sacculus
Tape conductor；The side of outer membrane 62 is equipped with several the second tape conductors of row 621, and the second conductor 621 is folding annular
Tape conductor；The appearance of tape conductor 611,621 is coated with pressure-sensitive semiconductor and applies 612,622；
It is thin with outer layer that the first tape conductor of several columns 611 with several the second tape conductors of row 622 is arranged at internal layer membrane
Between film, and the working clearance 63 is equipped between the first tape conductor 612 and the second tape conductor 622；Several columns first are band-like to be led
It is mutually perpendicular between body 612 and the second tape conductor of several rows 622, forms several measurement crosspoints, each measurement crosspoint
It is equivalent to a pressure sensor；Several measurement crosspoints form pressure sensing lattice array.It is several when sacculus 1 is expanded
The first tape conductor of column 612 is contacted on the measurement crosspoint respectively with several the second tape conductors of row 622, is mutually applied
Plus-pressure.Since the resistance value of semiconductor can be with the proportional variation of external force, when pressure is zero, resistance value is maximum, and pressure is bigger, and resistance value is got over
It is small；The resistance value that each measurement crosspoint can be calculated by calculating the size of current in each circuit, is handed over to converse each measurement
The tension value of tension suffered by crunode.
Preferably, the length of pressure detecting film 6 and the length of sacculus 1 match, the interior diameter of pressure detecting film 6 with
Overall diameter phase when 1 collapsed state of sacculus；It is elastic film with outer membrane 62 and internal layer membrane 61 and is close ring
Shape；Wherein, surface is smooth surface inside and outside outer membrane 62；Several columns the first tape conductor 611 is thin with internal layer
Film 61 is fixedly connected, and is individually connected with wire；One end of several the second tape conductors of row 612 with outer membrane 62
It is fixedly connected, and is individually connected with wire.Since sacculus 1 needs to expand at work, outer membrane 62 and internal layer are thin
Film 61 can adapt to change in shape when sacculus 1 is expanded using elastic film, and will not influence the first tape conductor 611 when expansion
Distribution.Second tape conductor 612 can avoid making the second tape conductor 612 along expansion when sacculus 1 is expanded using single-ended fixation
It opens to put down and does opposite sliding, avoid the fracture of the second tape conductor 612.
It is furthermore preferred that outer membrane 62 forms closed annular by way of being staggeredly stacked and is equipped with overlap 64, and hand over
The edge of the outer layer 641 in folded portion 64 is fixedly connected with the surface of the internal layer 642 of overlap 64, and the outer layer 641 of overlap 64 is equipped with
Extension section 643 reaches better extension effect when sacculus 1 is expanded to realize.Wherein, several the second tape conductors of row 622
One end has part to be arranged between the outer layer 641 of overlap 64 and internal layer 642, when the expansion of sacculus 1, several the second tape conductors of row
622 when extending therewith, and the part that the second tape conductor 622 is arranged between the outer layer 641 of overlap 64 and internal layer 642 has one
Part leaves overlapping 64, and contacts with the first tape conductor of several columns 611, so that several the second tape conductors of row 622 be avoided to exist
Measurement notch is generated when expansion extends, and improves the effect of measurement.
It is furthermore preferred that internal layer membrane 61 is additionally provided with the first calibration tape conductor, the vertical tape conductor and first band-like calibrated
Conductor is parallel；Outer membrane 62 is additionally provided with the second calibration tape conductor of folding annular, and calibration tape conductor band-like is led with second
Body is parallel；First calibration tape conductor passes through wire with the second calibration tape conductor and connect with pressure transducer；
On several first calibration tape conductors and the second calibration tape conductor difference internal layer membrane 61 and outer membrane 62
Even distribution, and the first calibration tape conductor is mutually perpendicular to the second calibration tape conductor, forms several calibration crosspoints；It is several
A calibration crosspoint forms calibration lattice array.
Wherein, the second calibration tape conductor is made of resistance material.Sacculus 1 is in expansion, each calibration crosspoint phase
The distance between mutually can generate variation, resistance value when measurement can change therewith, in calibration lattice array the electric current of each point also with
Variation, so as to calculate the distance between each calibration crosspoint, the i.e. degrees of expansion of sacculus 1.It is handed over according to each calibration
The distance between crunode can calculate relative radius of each point of pressure detecting film 6 apart from 1 central axes of sacculus.
Since sacculus 1 is in expansion, outer membrane 62 itself can be to each measurement crosspoint in pressure sensing lattice array
Point applies pressure, generates unnecessary basic tension, it is therefore desirable to eliminate the degrees of expansion to the degrees of expansion in each site of sacculus 1
Under basic tension.Although the expansion that the pressure value of the hydraulic pressure or air pressure measured by pressure transducer can indirectly to sacculus 1
Zhang Chengdu judged, if but sacculus 1 occurred deformation (as shown using " dog bone " caused by compliant balloon) when,
There will be bigger error, i.e., under uniform pressure value, due to the difference of shape, the basic tension of each point is simultaneously different.Pass through
The electric current for the calibration lattice array each point that the first calibration tape conductor of measurement and the second calibration tape conductor are formed, calculates each calibration
The distance between point can accurately judge the degrees of expansion on each site of sacculus 1, and then can obtain more accurate by obtaining
Tension measurement.
Specific calibration and survey calculation the following steps are included:
S1: it calculates basic suffered by each measurement crosspoint in pressure sensing lattice array when sacculus 1 is in collapsed state
The distance between each calibration crosspoint in tension value and calibration lattice array, and store calculated result；
S2: air or physiological saline are injected to sacculus 1 by syringe, sacculus 1 is expanded from small to large, calculates ball
Capsule 1 is in the calibration electricity of basic tension value suffered by each measurement crosspoint when a certain degrees of expansion, each calibration crosspoint
1 internal pressure value of sacculus that flow valuve and pressure transducer are measured, and store calculated result；
S3: repeating step S2, obtains the basic tension value of multiple groups in each measurement crosspoint, the multiple groups in each calibration crosspoint
The data of current value and 1 internal pressure value of multiple groups sacculus are calibrated,
Wherein, the number of duplicate measurements need to be more than or equal to 4；Additional, it directly can also dynamically be measured, directly be obtained
Take dynamic delta data；
S4: the opposite of each point of pressure detecting film 6 is calculated according to each group calibration current value according to step S3 storage
Radius change curve, and the basic tension Value Data of each group, each obtained according to relative radius change curve, by step S1 and S3
Group calibration current value and 1 internal pressure value of sacculus, generate the mathematical model of basic tension；
S5: when measuring, the measurement tension value in each measurement crosspoint is measured and is calculated, while measuring each calibration and handing over
1 internal pressure value of calibration current value and sacculus of crunode, and store；
S6: basic tension when measurement is calculated；The calibration electric current in each calibration crosspoint measured by step S5
Value and 1 internal pressure value of sacculus substitute into the mathematical model by the step S4 basic tension generated, calculate each measurement and intersect
The basic tension value of point；
S7: airway tone is calculated；Computer data analysis system is transferred is intersected by each measurement that step S5 is measured
The measurement tension value of point, and the basic tension by the calculated each measurement crosspoint step S6 is individually subtracted, obtain pressure
Sense the airway tone size that each point is final in lattice array.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to previous embodiment
Documented technical solution is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of detection system of the narrow airway tone of precise measurement, which is characterized in that including detection device and be connected thereto
Computer data collect and survey system；
It includes power module, measurement module, memory module, central processing module and figure that the computer data, which collects and surveys system,
As output module, wherein the power module is used to be powered for each module, and the memory module is stored with each pressure and passes
The site location information and tension distribution model of sensor；
The detection device includes: sacculus, push rod, syringe and pressure transducer；
It is cannulated structure in the sacculus, the sacculus outer wall is equipped with pressure detecting film, the pressure detecting film packet
Include multiple equally distributed pressure sensors；Each pressure sensor is connect with the measurement module respectively, for measurement
Module provides the sensor electric signal of each point；The side of the push rod is connect with the sacculus, the push rod it is another
Side is connect with syringe and pressure transducer respectively, and the push rod is built-in with guidewire lumen, is equipped with seal wire, institute in the guidewire lumen
Hollow structure of the seal wire in the sacculus is stated, and the seal wire protrudes the part formation tip of the sacculus；
The measurement module be equipped with transducer interface and sensor interface, and respectively with the pressure transducer and each pressure
Force snesor connection；The pressure conversion being collected into from sacculus at pressure value signal and is sent to the survey by the pressure transducer
Measure module；After the measurement module receives the sensor electric signal that each pressure sensor is sent, respectively to each sensor
Electric signal carries out site information label, and the sensor electric signal and pressure value signal hair after carry out site information label
It is sent to central processing module；After sensor electric signal and corresponding pressure value signal that the central processing module receives,
The site location information is transferred from memory module, calculates and generate tension distribution data list, and from the memory module
In transfer corresponding tension difference model, then the tension distribution data list and tension, to be sent to image defeated for model respectively
Module out；
Described image output module is updated to the data of the tension distribution data list received the tension point received
In cloth model, two dimension or three-dimensional tension distribution image are formed.
2. a kind of detection system of the narrow airway tone of precise measurement according to claim 1, it is characterised in that:
The pressure detecting film is annular, is socketed in the sacculus outer surface, and the pressure detecting film includes that outer layer is thin
Film and internal layer membrane；
The side of the internal layer membrane and the outer surface of the sacculus fit, and the other side of the internal layer membrane is equipped with several columns
First tape conductor, first tape conductor are direction and the tape conductor that sacculus inner guide wire is parallel to each other；
The side of the outer membrane is equipped with several the second tape conductors of row, and second conductor is band-like the leading of folding annular
Body；
The appearance of the tape conductor is coated with pressure-sensitive semiconductor coating；
First tape conductor of several columns and several the second tape conductors of row are arranged at the internal layer membrane and outer membrane
Between, and the working clearance is equipped between first tape conductor and the second tape conductor；First tape conductor of several columns
It is mutually perpendicular between several the second tape conductors of row, forms several measurement crosspoints；Several described measurements intersect dot
At pressure sensing lattice array.
3. a kind of detection system of the narrow airway tone of precise measurement according to claim 2, it is characterised in that:
First tape conductor of several columns is fixedly connected with internal layer membrane, and is individually connected with wire；
One end of second tape conductor of several rows is fixedly connected with outer membrane, and is individually connected with wire.
4. a kind of detection system of the narrow airway tone of precise measurement according to claim 3, it is characterised in that:
The outer membrane of the pressure detecting film and internal layer membrane are closed annular；
The length of the pressure detecting film and the length of sacculus match, the interior diameter and the ball of the pressure detecting film
Overall diameter when capsule collapsed state matches.
5. a kind of detection system of the narrow airway tone of precise measurement according to claim 4, it is characterised in that:
The outer membrane and internal layer membrane are elastic film；
The outer membrane forms closed annular by way of being staggeredly stacked and is equipped with overlap, and the side of the outer layer of overlap
Edge is fixedly connected with the surface of the internal layer of overlap, and the outer layer of the overlap is equipped with extension section.
6. a kind of detection system of the narrow airway tone of precise measurement according to claim 5, it is characterised in that:
The internal layer membrane is additionally provided with the first calibration tape conductor, and the vertical calibration tape conductor and the first tape conductor are flat
Row；
The outer membrane is additionally provided with the second calibration tape conductor of folding annular, the calibration tape conductor and second band
Shape conductor is parallel；
First calibration tape conductor is mutually perpendicular to the second calibration tape conductor, forms several calibration crosspoints；It is described several
A calibration crosspoint forms calibration lattice array.
7. a kind of using a kind of tension calculating side of the detection system of the narrow airway tone of precise measurement as claimed in claim 6
Method, which comprises the following steps:
S1: basic suffered by each measurement crosspoint in pressure sensing lattice array when the sacculus is in collapsed state open is calculated
The distance between each calibration crosspoint in force value and calibration lattice array, and store calculated result；
S2: air or physiological saline are injected in the sacculus, the sacculus is expanded from small to large, calculates at the sacculus
When a certain degrees of expansion it is each measurement crosspoint suffered by basic tension value, it is each calibration crosspoint calibration current value with
And the balloon interior pressure value that pressure transducer is measured, and store calculated result；
S3: repeating step S2, obtains the multiple groups calibration of the basic tension value of multiple groups, each calibration crosspoint in each measurement crosspoint
The data of current value and multiple groups balloon interior pressure value,
S4: the relative radius change that current value calculates each point of pressure detecting film is calibrated according to each group according to step S3 storage
Change curve, and is calibrated according to relative radius change curve, the basic tension Value Data of each group obtained by step S1 and S3, each group
Current value and balloon interior pressure value, generate the mathematical model of basic tension；
S5: when measuring, the measurement tension value in each measurement crosspoint is measured and is calculated, while measuring each calibration crosspoint
Calibration current value and balloon interior pressure value, and store；
S6: basic tension when measurement is calculated；The calibration current value in each calibration crosspoint measured by step S5 and
Balloon interior pressure value substitutes into the mathematical model by the step S4 basic tension generated, calculates the base in each measurement crosspoint
This tension value；
S7: airway tone is calculated；Computer data analysis system is transferred through each measurement crosspoint measured step S5
Tension value is measured, and the basic tension by the calculated each measurement crosspoint step S6 is individually subtracted, obtains pressure sensing
The final airway tone size of each point in lattice array.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494781A (en) * | 2020-04-13 | 2020-08-07 | 北京东方逸腾数码医疗设备技术有限公司 | Pressure analysis recording system applied to balloon dilator |
| CN111568426A (en) * | 2020-05-25 | 2020-08-25 | 易荔 | Airway stenosis section diameter and length measuring device |
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| CN111494781A (en) * | 2020-04-13 | 2020-08-07 | 北京东方逸腾数码医疗设备技术有限公司 | Pressure analysis recording system applied to balloon dilator |
| CN111568426A (en) * | 2020-05-25 | 2020-08-25 | 易荔 | Airway stenosis section diameter and length measuring device |
| CN111568426B (en) * | 2020-05-25 | 2023-03-24 | 易荔 | Airway stenosis section diameter and length measuring device |
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