CN106491119B - A kind of thrombus elastometer and blood clotting data correcting method - Google Patents
A kind of thrombus elastometer and blood clotting data correcting method Download PDFInfo
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- CN106491119B CN106491119B CN201610756273.8A CN201610756273A CN106491119B CN 106491119 B CN106491119 B CN 106491119B CN 201610756273 A CN201610756273 A CN 201610756273A CN 106491119 B CN106491119 B CN 106491119B
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Abstract
The present invention provides a kind of thrombus elastometer and blood clotting data correcting method, which includes: thrombus elastometer ontology, inclination sensor and data correction unit；The thrombus elastometer ontology obtains the blood clotting data of the blood to be measured for detecting to blood to be measured；The inclination sensor obtains the first tilt angle of the thrombus elastometer ontology for being detected during the thrombus elastometer ontology detects the blood to be measured to the position of the thrombus elastometer ontology；The data correction unit, the first tilt angle for being got according to the inclination sensor, to the thrombus elastometer ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export.This programme can reduce the error introduced in the blood clotting data of output due to the inclination of thrombus elastometer ontology.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of thrombus elastometer and blood clotting data correcting method.
Background technique
Thrombus elastometer is a kind of medical instrument that whether can normally condense for detecting blood, is carrying out operation consent one
As require to detect by blood clotting data of the thrombus elastometer to patient, judge patient's according to the blood clotting data detected
Whether blood clotting process is normal, could only perform the operation to patient in the case where blood can normally condense, if blood
There is exception in liquid condensation process, the blood of patient will be unable to normally condense in surgical procedure, lead to anthemorrhagic difficulty, it is likely that crisis
The life of patient.
At present when measuring blood clotting data by thrombus elastometer, blood drives the rotation of thrombus elastometer under outer power drive
Shaft rotation obtains blood clotting data according to the rotational angle of rotary shaft and exports.
When being detected by blood clotting data of the thrombus elastometer to blood, there may be certain to incline for thrombus elastometer
Rake angle, the inclination of thrombus elastometer will lead to the driving force that rotary shaft is subject to and change, and eventually lead to the angle of rotation of rotary shaft
Degree is affected, and current thrombus elastometer is after detecting the rotational angle of rotary shaft, according to the rotational angle of rotary shaft
It is directly exported after obtaining blood clotting data, since the error that thrombus elastometer tilts and introduces is larger in the blood clotting data exported,
Cause the accuracy of the blood clotting data detected lower.
Summary of the invention
The embodiment of the invention provides a kind of thrombus elastometer and blood clotting data correcting methods, can reduce the blood clotting of output
The error introduced in data due to the inclination of thrombus elastometer.
The embodiment of the invention provides a kind of thrombus elastometers, comprising: thrombus elastometer ontology, inclination sensor and data
Amending unit；
The thrombus elastometer ontology obtains the blood clotting data of the blood to be measured for detecting to blood to be measured；
The inclination sensor, the process for being detected in the thrombus elastometer ontology to the blood to be measured
In, the position of the thrombus elastometer ontology is detected, the first tilt angle of the thrombus elastometer ontology is obtained；
The data correction unit, the first tilt angle for being got according to the inclination sensor, to the blood
Bolt elastometer ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export.
Preferably,
The inclination sensor includes: gyroscope or acceleration transducer；
When the inclination sensor is gyroscope,
The gyroscope is fixedly connected with the thrombus elastometer ontology, for detecting the thrombus elastometer ontology
Angular movement parameter obtains the first tilt angle of the thrombus elastometer ontology according to the angular movement parameter；
When the inclination sensor is acceleration transducer,
The acceleration transducer is fixedly connected with the thrombus elastometer ontology, for detecting the thrombus elastometer
Gravitational acceleration component of the ontology in default three-dimensional system of coordinate on three change in coordinate axis direction, according to three change in coordinate axis direction
On gravitational acceleration component, the first tilt angle of the thrombus elastometer ontology is calculated by following formula one；
The formula one are as follows:
Wherein, the α is the first tilt angle of the thrombus elastometer ontology, axFor the thrombus elastometer sheet
Gravitational acceleration component of the body in the default three-dimensional system of coordinate in x-axis direction, ayFor the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate on y-axis direction, azExist for the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate on z-axis direction；
Wherein, the x-axis, y-axis and z-axis of the default three-dimensional system of coordinate are vertical two-by-two, at the thrombus elastometer ontology
The x-axis and the y-axis are located in horizontal plane when horizontal position.
Preferably,
The data correction unit, the first tilt angle for being got according to the inclination sensor, by as follows
Formula two is modified the blood clotting data, obtains the amendment blood clotting data；
Described public two are as follows:
A1=A0·cosα
Wherein, the A1For the amendment blood clotting data, the A2For the blood clotting data, the α is the thrombus elastic force
First tilt angle of instrument ontology.
Preferably,
The data correction unit, the first tilt angle for being got according to the inclination sensor, by as follows
Formula three is modified the blood clotting data, obtains the amendment blood clotting data；
The formula three are as follows:
Wherein, the A1For the amendment blood clotting data, the A0For the blood clotting data, the α is the thrombus elastic force
First tilt angle of instrument ontology.
Preferably,
The thrombus elastometer further comprises: horizontal alignment unit；
The inclination sensor is further used for carrying out detecting it to the blood to be measured in the thrombus elastometer ontology
Before, detect the second tilt angle and inclined direction of the thrombus elastometer ontology；
The horizontal alignment unit, the second tilt angle and inclination side for being detected according to the inclination sensor
To by elevating mechanism to thrombus elastometer ontology progress level-off operation.
Blood clotting data correction is carried out using any one of the above thrombus elastometer the embodiment of the invention also provides a kind of
Method, comprising:
Blood to be measured is detected by the thrombus elastometer ontology, obtains the blood clotting data of the blood to be measured；
During the thrombus elastometer ontology detects the blood to be measured, pass through the inclination sensor
The position of the thrombus elastometer ontology is detected, the first tilt angle of the thrombus elastometer ontology is obtained；
The first tilt angle got according to the inclination sensor, by the data correction unit to the thrombus
Elastometer ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export.
Preferably,
When the inclination sensor is gyroscope,
It is described to be detected by position of the inclination sensor to the thrombus elastometer ontology, obtain the thrombus
First tilt angle of elastometer ontology includes:
The angular movement parameter that the thrombus elastometer ontology is detected by the gyroscope is obtained according to the angular movement parameter
Take the first tilt angle of the thrombus elastometer ontology.
Preferably,
When the inclination sensor is acceleration transducer；
It is described to be detected by position of the inclination sensor to the thrombus elastometer ontology, obtain the thrombus
First tilt angle of elastometer ontology includes:
The thrombus elastometer ontology three coordinates in default three-dimensional system of coordinate are detected by the acceleration transducer
Gravitational acceleration component in axis direction passes through following formula one according to the component of acceleration on three change in coordinate axis direction
Calculate the first tilt angle of the thrombus elastometer ontology；
The formula one are as follows:
Wherein, the α is the first tilt angle of the thrombus elastometer ontology, axFor the thrombus elastometer sheet
Gravitational acceleration component of the body in the default three-dimensional system of coordinate in x-axis direction, ayFor the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate on y-axis direction, azExist for the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate on z-axis direction；
Wherein, the x-axis, y-axis and z-axis of the default three-dimensional system of coordinate are vertical two-by-two, at the thrombus elastometer ontology
The x-axis and the y-axis are located in horizontal plane when horizontal position.
Preferably,
First tilt angle got according to the inclination sensor, arrives the thrombus elastometer ontology acquisition
Blood clotting data be modified, obtain amendment blood clotting data include:
The first tilt angle got according to the inclination sensor, by following formula two, to the blood clotting data
It is modified, obtains the amendment blood clotting data；
Described public two are as follows:
A1=A0·cosα
Wherein, the A1For the amendment blood clotting data, the A0For the blood clotting data, the α is the thrombus elastic force
First tilt angle of instrument ontology.
Preferably,
First tilt angle got according to the inclination sensor, arrives the thrombus elastometer ontology acquisition
Blood clotting data be modified, obtain amendment blood clotting data include:
The first tilt angle got according to the inclination sensor, by following formula three, to the blood clotting data
It is modified, obtains the amendment blood clotting data；
The formula three are as follows:
Wherein, the A1For the amendment blood clotting data, the A0For the blood clotting data, the α is the thrombus elastic force
First tilt angle of instrument ontology.
Preferably,
Blood to be measured is detected by the thrombus elastometer ontology described, obtains the blood clotting of the blood to be measured
Further comprise before data:
Detect the second tilt angle and inclined direction of the thrombus elastometer ontology；
According to second tilt angle and inclined direction, the thrombus elastometer ontology is adjusted by elevating mechanism
Levels operation.
Thrombus elastometer and blood clotting data correcting method provided in an embodiment of the present invention, in thrombus elastometer ontology to be measured
During blood is detected, inclination sensor detects the position of thrombus elastometer ontology, obtains thrombus elastometer
First tilt angle of ontology, the first tilt angle that data correction unit is got according to inclination sensor is to thrombus elastometer
The blood clotting data that ontology detects are modified, and are exported after forming amendment blood clotting data.It is detected relative to thrombus elastometer ontology
Blood clotting data out, amendment blood clotting data are after being modified according to the tilt angle of thrombus elastometer ontology to blood clotting data
It obtains, exports, reduced in the blood clotting data of output due to thrombus elastic force using amendment blood clotting data as final detection result
The error of instrument inclination and introducing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of thrombus elastometer schematic diagram provided by one embodiment of the present invention；
Fig. 2 is a kind of gravitational acceleration component schematic diagram of thrombus elastometer ontology provided by one embodiment of the present invention；
Fig. 3 is a kind of rotary shaft heeling condition schematic diagram provided by one embodiment of the present invention；
Fig. 4 is a kind of thrombus elastometer schematic diagram including horizontal alignment unit provided by one embodiment of the present invention；
Fig. 5 is a kind of blood clotting data correcting method flow chart provided by one embodiment of the present invention；
Fig. 6 is a kind of blood clotting data correcting method flow chart that another embodiment of the present invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of thrombus elastometers, comprising: thrombus elastometer ontology 101 inclines
Oblique sensor 102 and data correction unit 103；
The thrombus elastometer ontology 101 obtains the blood clotting number of the blood to be measured for detecting to blood to be measured
According to；
The inclination sensor 102, for what is detected in the thrombus elastometer ontology 101 to the blood to be measured
In the process, the position of the thrombus elastometer ontology 101 is detected, obtains the first of the thrombus elastometer ontology 101
Tilt angle；
The data correction unit 103, the first tilt angle for being got according to the inclination sensor, to described
The blood clotting data that thrombus elastometer ontology 101 is got are modified, and are obtained amendment blood clotting data and are exported.
The embodiment of the invention provides a kind of thrombus elastometers, are detected in thrombus elastometer ontology to blood to be measured
In the process, inclination sensor detects the position of thrombus elastometer ontology, obtains the first inclination of thrombus elastometer ontology
Angle, the blood that the first tilt angle that data correction unit is got according to inclination sensor detects thrombus elastometer ontology
Solidifying data are modified, and are exported after forming amendment blood clotting data.Relative to the blood clotting data that thrombus elastometer ontology detects, repair
Positive blood clotting data are to be modified rear acquisition to blood clotting data according to the tilt angle of thrombus elastometer ontology, will correct blood
Solidifying data are exported as final detection result, reduce the mistake introduced in the blood clotting data of output due to the inclination of thrombus elastometer
Difference.
In an embodiment of the invention, it can be sensed using gyroscope as inclination sensor using gyroscope as inclination
When device, gyroscope is fixedly connected with thrombus elastometer ontology.After gyroscope is fixed on thrombus elastometer ontology, Ke Yijian
The angular movement parameter of thrombus elastometer ontology is surveyed, thrombus elastic force is further obtained according to the angular movement parameter of thrombus elastometer ontology
First tilt angle of instrument ontology.Since the integrated level of gyroscope is higher, gyroscope is fixed on thrombus elastometer by small volume
The tilt angle that thrombus elastometer ontology is detected on ontology changes on a large scale without the overall structure work to thrombus elastometer ontology
It is dynamic.
In detail, gyroscope can be three-axis gyroscope, in the mistake that thrombus elastometer ontology detects blood to be measured
Cheng Zhong, if the tilt angle that thrombus elastometer ontological existence is certain, the direction of three axis of three-axis gyroscope will change,
The angular movement parameter that thrombus elastometer ontology can be determined according to the direction of three axis, further according to thrombus elastometer ontology
Angular movement parameter can determine the tilt angle of thrombus elastometer ontology.The tilt angle conduct that three-axis gyroscope will test out
First tilt angle is transferred to data correction unit.
It in an embodiment of the invention, can be using acceleration transducer as inclination sensor.With acceleration transducer
When as inclination sensor, acceleration transducer is fixed on thrombus elastometer ontology, when thrombus elastometer ontology inclines
Acceleration transducer run-off the straight is driven when tiltedly.Three-dimensional system of coordinate is preset in acceleration transducer, wherein default three-dimensional coordinate
The x-axis of system, y-axis and z-axis are vertical two-by-two, and the x-axis and the y-axis position when thrombus elastometer ontology is in a horizontal position
In in horizontal plane.Acceleration transducer can detecte thrombus elastometer ontology three change in coordinate axis direction in default three-dimensional system of coordinate
On gravitational acceleration component passed through following public according to the component of the acceleration of gravity on three change in coordinate axis direction detected
Formula one calculates the tilt angle of thrombus elastometer ontology, as the first tilt angle；
The formula one are as follows:
Wherein, α is the first tilt angle of thrombus elastometer ontology, axIt is thrombus elastometer ontology in the default three-dimensional
Gravitational acceleration component in coordinate system in x-axis direction, ayFor thrombus elastometer ontology in the default three-dimensional system of coordinate y-axis
Gravitational acceleration component on direction, azFor weight of the thrombus elastometer ontology in the default three-dimensional system of coordinate on z-axis direction
Power component of acceleration.
Specifically,
As shown in Fig. 2, presetting three-dimensional coordinate in acceleration transducer 202 when thrombus elastometer ontology is there is no tilting
The x-axis and y-axis of system are in horizontal plane, z-axis and horizontal plane, and x-axis, y-axis and z-axis are vertical two-by-two.When thrombus elastic force
When instrument ontology run-off the straight, acceleration transducer 202 and default three-dimensional system of coordinate are with thrombus elastometer ontology run-off the straight.Accelerate
It spends sensor 202 and detects gravitational acceleration component of the thrombus elastometer ontology on three x-axis, y-axis and z-axis directions, wherein in x
The acceleration of gravity of axis direction is ax, acceleration of gravity in the y-axis direction is ay, acceleration of gravity in the z-axis direction is
az。
Acceleration transducer 202 is first a according to the acceleration of gravity of x-axis directionxWith the acceleration of gravity on y-axis direction
For ay, acceleration of gravity of the thrombus elastometer ontology in the plane determined by x-axis and y-axis is calculated by following formula four
Component axy, wherein
The formula four are as follows:
It is perpendicular due to presetting z-axis and the plane determined by x-axis and y-axis in three-dimensional system of coordinate, so thrombus elastometer
The acceleration of gravity a of ontology in the z-axis directionzWith gravitational acceleration component axyDirection it is vertical, calculating acceleration of gravity
Component axyPost-acceleration sensor 202 calculates the inclination angle alpha of thrombus elastometer ontology by following formula five, wherein
The formula five are as follows:
As it can be seen that formula four and formula five, which are merged, can obtain formula one.
According to formula one, or according to formula four and formula five, when thrombus elastometer ontology is there is no tilting, thrombus
Gravitational acceleration component of the elastometer ontology in the plane determined by x-axis and y-axis is zero, and thrombus elastometer ontology is in z-axis
Gravitational acceleration component on direction is equal to gravity acceleration g；When thrombus elastometer ontology run-off the straight, thrombus elastometer sheet
Acceleration of gravity of the body in the plane determined by x-axis and y-axis is not zero, and can calculate thrombus bullet according to antitrigonometric function
The inclination angle alpha of power instrument ontology, the inclination angle alpha are the first tilt angle of thrombus elastometer ontology.
In an embodiment of the invention, after thrombus elastometer ontology detects the blood clotting data of blood to be measured, by blood clotting
Data are sent to data correction unit；After inclination sensor detects the first tilt angle of thrombus elastometer ontology, first is inclined
Rake angle is sent to data correction unit.Data correction unit is receiving the blood clotting data of thrombus elastometer ontology transmission and is inclining
After the first tilt angle that oblique sensor is sent, according to the first tilt angle, blood clotting data are repaired by following formula two
Just, amendment blood clotting data are obtained；
The formula two are as follows:
A1=A0·cosα
Wherein, A1To correct blood clotting data, A0For blood clotting data, α is the first tilt angle of thrombus elastometer ontology.
Specifically,
As shown in figure 3, when being measured by thrombus elastometer ontology to blood 304 to be measured, by thrombus elastometer sheet
Rotary shaft on body is inserted into blood 304 to be measured.When the tilt angle of thrombus elastometer ontology is zero, thrombus elastometer ontology
Rotary shaft be in 3011 shown in position；When the tilt angle of thrombus elastometer ontology is α (α is not equal to zero), thrombus elastic force
The rotary shaft of instrument ontology be in 3012 shown in position.
Due to the inclination of thrombus elastometer ontology, the length for causing rotary shaft 3012 to be submerged in blood 304 to be measured increases, phase
For thrombus elastometer ontology, there is no the rotary shafts 3011 when inclination, driving when blood to be measured rotates to rotary shaft 3012
Power is greater than the driving force to rotary shaft 3011, causes to be greater than rotary shaft in the rotational angle of same blood Shaft 3012 to be measured
3011 rotation, when the rotational angle with rotary shaft characterizes the blood clotting data of blood to be measured, the inclination of thrombus elastometer ontology is led
Cause the blood clotting data detected bigger than normal.The driving force and rotary shaft being subject to due to rotary shaft submerge the length of blood to be measured at just
Than the ratio for the driving force that the driving force and rotary shaft 3011 that all rotary shafts 3012 are subject to are subject to is equal to cos α, thus passes through
The driving force that the cosine value of inclined angle alpha can be subject to rotary shaft 3012 is modified, and then can be to thrombus by formula two
The blood clotting data that elastometer detects are modified.
In an embodiment of the invention, data correction unit is in the blood clotting data for receiving the transmission of thrombus elastometer ontology
After the first tilt angle sent with inclination sensor, according to the first tilt angle, by following formula three to blood clotting data
It is modified, obtains amendment blood clotting data；
Formula three are as follows:
Wherein, A1To correct blood clotting data, A0For blood clotting data, α is the first tilt angle of thrombus elastometer ontology.
Specifically,
When the inclination of thrombus elastometer ontology, the length that the rotary shaft of thrombus elastometer ontology submerges blood to be measured increases,
The gravity direction of rotary shaft is no longer overlapped with rotating shaft axis direction simultaneously, since the inclination of rotary shaft will lead to rotary shaft and axis
Frictional force between holding changes, and change in friction force can equally impact the blood clotting data that thrombus elastometer detects.
The component and the component on vertical axis direction that the gravity of rotary shaft is decomposed in the axial direction, according to rotation
The component of the gravity of shaft in the axial direction and the component on vertical axial direction pass through integral calculation thrombus elastometer sheet
The ratio of friction working when body tilts and not tilting, and then obtain thrombus elastometer ontology when considering change in friction force merely
The blood clotting data 1 detected, wherein blood clotting data 1 are A0·∫(sinα+cosα)dα；Consider that rotary shaft submerges blood to be measured simultaneously
The increase of liquid length calculates blood clotting data 2, and wherein blood clotting data 2 are A0·cosα.Seek blood clotting data 1 and blood clotting data 2
Average value, using the blood clotting statistical average sought out as amendment blood clotting data.
It tilts with thrombus elastometer ontology and occurs due to considering driving force that rotary shaft is subject to and frictional force simultaneously
Variation, is modified, Ke Yijin according to the blood clotting data that the variation of driving force and frictional force detects thrombus elastometer ontology
One step reduces due to the error that thrombus elastometer ontology tilts and introduces in blood clotting data, to further improve thrombus elastic force
The accuracy that instrument detects blood clotting data.
In an embodiment of the invention, as shown in figure 4, thrombus elastometer may further include horizontal alignment unit
104.When thrombus elastometer includes horizontal alignment unit 104, in thrombus elastometer ontology 101 to the blood clotting number of blood to be measured
According to before being detected, inclination sensor 102 detects the position of thrombus elastometer ontology 101, gets thrombus elastic force
Tilt angle and inclined direction of the instrument ontology 101 before being detected to blood to be measured, and the second inclination angle that will acquire
Degree and inclined direction are sent to horizontal alignment unit 104；Horizontal alignment unit 104 is receiving the second tilt angle and inclination side
To later, according to the second tilt angle and inclined direction, level-off behaviour is carried out to thrombus elastometer ontology 101 by elevating mechanism
Make.
Specifically,
Inclination sensor 102 has the function of both sides, is on the one hand used in thrombus elastometer ontology 101 to blood to be measured
The first inclination that during liquid is detected, the tilt angle of thrombus elastometer ontology 101 is detected, and will test
Angle is sent to data school amending unit 103；On the other hand for being detected in thrombus elastometer ontology 101 to blood to be measured
Before, the second tilt angle for the tilt angle and inclined direction of thrombus elastometer ontology 101 being detected, and being will test
And inclined direction is sent to horizontal alignment unit 104.
The first tilt angle that data correction unit 103 is sent according to inclination sensor 102, to thrombus elastometer ontology
The 101 blood clotting data detected are modified, and belong to the field being modified to testing result；104 basis of horizontal alignment unit
The second tilt angle and method of tilting that inclination sensor 102 is sent carry out level-off operation to thrombus elastometer ontology 101,
Belong to the field that prevention error occurs.It is operated by the level-off of level standard unit 104, makes thrombus elastometer ontology 101
Position is closer to horizontal position, fundamentally reduces in the blood clotting data of thrombus elastometer output since thrombus elastometer inclines
The error tiltedly introduced, improves the accuracy that thrombus elastometer detects blood clotting data.
As shown in figure 5, one embodiment of the invention provides a kind of utilization any one blood provided in an embodiment of the present invention
The method that bolt elastometer carries out blood clotting data correction, this method may comprise steps of:
Step 501: blood to be measured being detected by the thrombus elastometer ontology, obtains the blood of the blood to be measured
Solidifying data；
Step 502: during the thrombus elastometer ontology detects the blood to be measured, being inclined by described
Oblique sensor detects the position of the thrombus elastometer ontology, obtains the first inclination angle of the thrombus elastometer ontology
Degree；
Step 503: the first tilt angle got according to the inclination sensor passes through the data correction unit pair
The thrombus elastometer ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export.
Blood clotting data correcting method provided in an embodiment of the present invention detects blood to be measured in thrombus elastometer ontology
During, the position of thrombus elastometer ontology is detected, the first tilt angle of thrombus elastometer ontology is obtained, according to
The blood clotting data that first tilt angle detects thrombus elastometer ontology are modified, and are obtained amendment blood clotting data and are exported.
The not directly output after detecting blood clotting data, but blood clotting data are carried out according to the tilt angle of thrombus elastometer ontology
Amendment obtains amendment blood clotting data, exports amendment blood clotting data as final detection result, so as to reduce the blood of output
The error introduced in solidifying data due to the inclination of thrombus elastometer.
In an embodiment of the invention, when inclination sensor is gyroscope, inclination sensor detects thrombus elastometer
The process of first tilt angle of ontology may include:
The angular movement parameter that thrombus elastometer ontology is detected by gyroscope obtains thrombus elastometer according to angular movement parameter
First tilt angle of ontology.
In an embodiment of the invention, when inclination sensor is acceleration transducer, inclination sensor detects thrombus
The process of first tilt angle of elastometer ontology includes:
Weight of the thrombus elastometer ontology in default three-dimensional system of coordinate in three reference axis is detected by acceleration transducer
Power component of acceleration calculates thrombus elastic force by following formula one according to the gravitational acceleration component on three change in coordinate axis direction
First tilt angle of instrument ontology；
Formula one are as follows:
Wherein, α is the first tilt angle of thrombus elastometer ontology, axIt is thrombus elastometer ontology in default three-dimensional coordinate
Gravitational acceleration component in system in x-axis direction, ayIt is thrombus elastometer ontology in default three-dimensional system of coordinate on y-axis direction
Gravitational acceleration component, azFor gravitational acceleration component of the thrombus elastometer ontology in default three-dimensional system of coordinate on z-axis direction；
Wherein, the x-axis, y-axis and z-axis for presetting three-dimensional system of coordinate are vertical two-by-two, when thrombus elastometer ontology is in horizontal position
X-axis and y-axis are located in horizontal plane when setting.
In an embodiment of the invention, acquisition amendment blood clotting number is modified to blood clotting data according to the first tilt angle
According to process may include:
The first tilt angle got according to inclination sensor is modified blood clotting data by following formula two,
Obtain amendment blood clotting data；
Formula two are as follows:
A1=A0·cosα
Wherein, A1To correct blood clotting data, A0For blood clotting data, α is the first tilt angle of thrombus elastometer ontology.
In an embodiment of the invention, acquisition amendment blood clotting number is modified to blood clotting data according to the first tilt angle
According to process may include:
The first tilt angle got according to the inclination sensor, by following formula three, to the blood clotting data
It is modified, obtains the amendment blood clotting data；
The formula three are as follows:
Wherein, the A1For the amendment blood clotting data, the A0For the blood clotting data, the α is the thrombus elastic force
First tilt angle of instrument ontology.
In an embodiment of the invention, the packet that takes a step forward for blood to be measured detect in thrombus elastometer ontology
It includes:
Detect the second tilt angle and inclined direction of thrombus elastometer ontology；
According to the second tilt angle and inclined direction, level-off behaviour is carried out to thrombus elastometer ontology by elevating mechanism
Make.
In order to keep the course of work of thrombus elastometer provided in an embodiment of the present invention clearer, below with acceleration sensing
For device is as inclination sensor, blood clotting data correcting method is described further, as shown in fig. 6, this method may include
Following steps:
Step 601: the second tilt angle and inclined direction of detection thrombus elastometer ontology.
In an embodiment of the invention, before being detected by thrombus elastometer ontology to blood to be measured, pass through
Inclination sensor detects the tilt angle and inclined direction of thrombus elastometer ontology, is inclined using the tilt angle detected as second
Second tilt angle and inclined direction are sent to horizontal alignment unit by rake angle.
For example, acceleration transducer detection thrombus elastometer ontology is in default three-dimensional system of coordinate on three change in coordinate axis direction
Gravitational acceleration component, wherein gravitational acceleration component of the thrombus elastometer ontology on x-axis, y-axis and z-axis direction be respectively
ax2、ay2And az2, the second inclination angle alpha of thrombus elastometer ontology is calculated by following formula2:
As shown in Fig. 2, according to the gravity acceleration g of thrombus elastometer ontology and x-axis, y-axis and z-axis angulation, really
Make the inclined direction of thrombus elastometer ontology；
Acceleration transducer is in the second inclination angle alpha for getting thrombus elastometer ontology2And after inclined direction, by
Two inclination angle alphas2And inclined direction is sent to horizontal alignment unit.
Step 602: level-off operation is carried out to thrombus elastometer ontology according to the second tilt angle and inclined direction.
In an embodiment of the invention, horizontal alignment unit is in the second tilt angle for receiving inclination sensor transmission
And after inclined direction, according to the second tilt angle and inclined direction, controls elevating mechanism and thrombus elastometer ontology is adjusted
Levels operation.
For example, the pedestal of thrombus elastometer ontology is rectangle, an elevator is provided on each angle of rectangular base
Structure, horizontal alignment unit are connected with each elevating mechanism.After horizontal alignment unit receives the second tilt angle and inclined direction,
One or more of 4 elevating mechanisms are controlled, elevating mechanism is elongated or shortened, are adjusted between rectangular base and horizontal plane
Angle, thus by thrombus elastometer ontology alignment to the position close to level.
Step 603: blood to be measured being detected, the blood clotting data of blood to be measured are obtained.
In an embodiment of the invention, after carrying out level-off operation to thrombus elastometer ontology, pass through thrombus bullet
Power instrument ontology detects blood to be measured, and the rotary shaft of thrombus elastometer ontology rotates under the drive of blood to be measured,
The blood clotting data that thrombus elastometer ontology obtains the blood clotting data of blood to be measured according to the rotational angle of rotary shaft, and will acquire
It is sent to data correction unit.
Step 604: detection thrombus elastometer ontology is carrying out the first tilt angle in detection process to blood to be measured.
In an embodiment of the invention, during thrombus elastometer ontology detects blood to be measured, pass through
Inclination sensor detects the tilt angle of thrombus elastometer ontology, obtains the first inclination angle of thrombus elastometer ontology
Degree.Wherein, the first tilt angle that inclination sensor is got, which can be, is carrying out thrombus bullet in detection process to blood to be measured
The real-time tilt angle of power instrument ontology is also possible to the thrombus elastometer ontology in blood to be measured progress detection process and is averaged
Tilt angle.
For example, during thrombus elastometer ontology detects blood to be measured, acceleration transducer real-time detection
Thrombus elastometer ontology is in the gravitational acceleration component in default three-dimensional system of coordinate on three change in coordinate axis direction, wherein thrombus bullet
Gravitational acceleration component of the power instrument ontology on x-axis, y-axis and z-axis direction is respectively ax1、ay1And az1, calculated by following formula
First inclination angle alpha of thrombus elastometer ontology1:
Wherein, the first inclination angle alpha1Each moment thrombus elastometer ontology tilts during can be detection blood to be measured
The set of angle, can also with when detect the average value of thrombus elastometer ontology tilt angle during blood to be measured.
Step 605: blood clotting data being modified according to the first tilt angle, amendment blood clotting data is obtained and exports.
In an embodiment of the invention, data correction unit receive thrombus elastometer ontology transmission blood clotting data and
After the first tilt angle that inclination sensor is sent, blood clotting data are modified according to the first tilt angle, obtain amendment blood
Solidifying data simultaneously export, the error introduced in the blood clotting data to reduce final output due to the inclination of thrombus elastometer ontology.
Since the rotational angle of thrombus elastometer ontology rotary shaft has reacted the blood clotting data of blood to be measured, according to first
There are two different modification methods when tilt angle is modified blood clotting data: blood to be measured being carried out first, being directed to
Any moment of detection, by the first tilt angle of the moment thrombus elastometer ontology to this physical examination of the moment thrombus elastometer
The blood clotting data measured are modified, thus pair so moment corresponding blood clotting data are modified；Second, being directed to to be measured
The whole process that blood is detected, by the average value of thrombus elastometer the first tilt angle of ontology during this to the process
In all blood clotting data for detecting carry out unified amendment.
For example, the first inclination angle alpha that data correction unit is detected according to acceleration transducer1, pass through following formula
The blood clotting data that two pairs of thrombus elastometer ontologies detect are modified, and obtain amendment blood clotting data；
Formula two are as follows:
A1=A0·cosα
Wherein, A1To correct blood clotting data, A0For blood clotting data, α 1 is the first tilt angle of thrombus elastometer ontology.
In addition, the first inclination angle alpha 1 that data correction unit is detected according to acceleration transducer, it can also be by such as
The blood clotting data that lower formula three detects thrombus elastometer ontology are modified, and obtain amendment blood clotting data；
Formula three are as follows:
Wherein, A1To correct blood clotting data, A0For blood clotting data, α is the first tilt angle of thrombus elastometer ontology.
Thrombus elastometer and blood clotting data correcting method provided in an embodiment of the present invention, at least have the following beneficial effects:
1, in thrombus elastometer and blood clotting data correcting method of the invention, in thrombus elastometer ontology to blood to be measured
During being detected, inclination sensor detects the position of thrombus elastometer ontology, obtains thrombus elastometer ontology
The first tilt angle, the first tilt angle that data correction unit is got according to inclination sensor is to thrombus elastometer ontology
The blood clotting data detected are modified, and are exported after forming amendment blood clotting data.It is detected relative to thrombus elastometer ontology
Blood clotting data, amendment blood clotting data are acquisitions after being modified according to the tilt angle of thrombus elastometer ontology to blood clotting data
, it exports, is reduced in the blood clotting data of output since thrombus elastometer inclines using amendment blood clotting data as final detection result
The error tiltedly introduced.
It 2, can be using gyroscope as inclination sensing in thrombus elastometer and blood clotting data correcting method of the invention
Device, since the integrated level of gyroscope is higher, gyroscope is fixed on detection thrombus elastic force on thrombus elastometer ontology by small volume
The tilt angle of instrument ontology makees large-scale change without the overall structure to thrombus elastometer ontology.In addition, the skill of gyroscope
Art is mature, and price is lower, using gyroscope as inclination sensor, can guarantee that thrombus elastometer has lower cost.
3, in thrombus elastometer and blood clotting data correcting method of the invention, it can be used as and be inclined using acceleration transducer
Oblique sensor, acceleration transducer can detecte the inclination that thrombus elastometer ontology occurs on three-dimensional, improve to thrombus
The tilt angle of elastometer ontology put the accuracy of detection, and then can accurately be modified to blood clotting data, improves
The accuracy that thrombus elastometer detects blood clotting data.
4, in thrombus elastometer and blood clotting data correcting method of the invention, in addition to the basis after obtaining blood clotting data
It, can be with before being detected to blood to be measured except the tilt angle of thrombus elastometer ontology is modified blood clotting data
To thrombus elastometer ontology carry out level-off operation, fundamentally reduce blood clotting data in due to thrombus elastometer ontology inclination and
The error of introducing further improves the accuracy that thrombus elastometer detects blood clotting data.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation
Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-
It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ", is not arranged
Except there is also other identical factors in the process, method, article or apparatus that includes the element.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
In the various media that can store program code such as disk.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (6)
1. a kind of thrombus elastometer characterized by comprising thrombus elastometer ontology, inclination sensor and data correction unit；
The thrombus elastometer ontology obtains the blood clotting data of the blood to be measured for detecting to blood to be measured；
The inclination sensor, it is right for during the thrombus elastometer ontology detects the blood to be measured
The position of the thrombus elastometer ontology is detected, and the first tilt angle of the thrombus elastometer ontology is obtained；
The data correction unit, the first tilt angle for being got according to the inclination sensor, to the thrombus bullet
Power instrument ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export；Wherein,
The data correction unit is for passing through formulaExecute institute
State to the thrombus elastometer ontology acquisition to blood clotting data be modified；
Wherein, the A1For the amendment blood clotting data, the A0The blood clotting detected for the thrombus elastometer ontology
Data, the α are the first tilt angle of the thrombus elastometer ontology.
2. thrombus elastometer according to claim 1, which is characterized in that
The inclination sensor includes: gyroscope or acceleration transducer；
When the inclination sensor is gyroscope,
The gyroscope is fixedly connected with the thrombus elastometer ontology, and the angle for detecting the thrombus elastometer ontology is transported
Dynamic parameter, the first tilt angle of the thrombus elastometer ontology is obtained according to the angular movement parameter；
When the inclination sensor is acceleration transducer,
The acceleration transducer is fixedly connected with the thrombus elastometer ontology, for detecting the thrombus elastometer ontology
Gravitational acceleration component in default three-dimensional system of coordinate on three change in coordinate axis direction, according on three change in coordinate axis direction
Gravitational acceleration component passes through formulaCalculate the thrombus elastometer ontology first inclines
Rake angle；
Wherein, the α is the first tilt angle of the thrombus elastometer ontology, axExist for the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate in x-axis direction, ayIt is the thrombus elastometer ontology in institute
State the gravitational acceleration component in default three-dimensional system of coordinate on y-axis direction, azIt is the thrombus elastometer ontology described
Gravitational acceleration component in default three-dimensional system of coordinate on z-axis direction；
Wherein, the x-axis, y-axis and z-axis of the default three-dimensional system of coordinate are vertical two-by-two, when the thrombus elastometer ontology is in water
The x-axis and the y-axis are located in horizontal plane when prosposition is set.
3. thrombus elastometer according to claim 1, which is characterized in that further comprise: horizontal alignment unit；
The inclination sensor is further used for before the thrombus elastometer ontology detects the blood to be measured,
Detect the second tilt angle and inclined direction of the thrombus elastometer ontology；
The horizontal alignment unit, the second tilt angle and inclined direction for being detected according to the inclination sensor are led to
It crosses elevating mechanism and level-off operation is carried out to the thrombus elastometer ontology.
4. a kind of method for carrying out blood clotting data correction using the thrombus elastometer any in claims 1 to 33, feature
It is, comprising:
Blood to be measured is detected by the thrombus elastometer ontology, obtains the blood clotting data of the blood to be measured；
During the thrombus elastometer ontology detects the blood to be measured, by the inclination sensor to institute
The position for stating thrombus elastometer ontology is detected, and the first tilt angle of the thrombus elastometer ontology is obtained；
The first tilt angle got according to the inclination sensor, by the data correction unit to the thrombus elastic force
Instrument ontology acquisition to blood clotting data be modified, obtain amendment blood clotting data simultaneously export；
Wherein,
First tilt angle got according to the inclination sensor, by the data correction unit to the thrombus
Elastometer ontology acquisition to blood clotting data be modified, comprising:
Utilize formulaThe thrombus elastometer ontology acquisition is arrived
Blood clotting data are modified；
Wherein, the A1For the amendment blood clotting data, the A0The blood clotting detected for the thrombus elastometer ontology
Data, the α are the first tilt angle of the thrombus elastometer ontology.
5. according to the method described in claim 4, it is characterized in that,
When the inclination sensor is gyroscope,
It is described to be detected by position of the inclination sensor to the thrombus elastometer ontology, obtain the thrombus elastic force
First tilt angle of instrument ontology includes:
The angular movement parameter that the thrombus elastometer ontology is detected by the gyroscope obtains institute according to the angular movement parameter
State the first tilt angle of thrombus elastometer ontology；
Or,
When the inclination sensor is acceleration transducer；
It is described to be detected by position of the inclination sensor to the thrombus elastometer ontology, obtain the thrombus elastic force
First tilt angle of instrument ontology includes:
The thrombus elastometer ontology three reference axis sides in default three-dimensional system of coordinate are detected by the acceleration transducer
Upward gravitational acceleration component passes through formula according to the component of acceleration on three change in coordinate axis directionCalculate the first tilt angle of the thrombus elastometer ontology；
Wherein, the α is the first tilt angle of the thrombus elastometer ontology, axExist for the thrombus elastometer ontology
Gravitational acceleration component in the default three-dimensional system of coordinate in x-axis direction, ayIt is the thrombus elastometer ontology in institute
State the gravitational acceleration component in default three-dimensional system of coordinate on y-axis direction, azIt is the thrombus elastometer ontology described
Gravitational acceleration component in default three-dimensional system of coordinate on z-axis direction；
Wherein, the x-axis, y-axis and z-axis of the default three-dimensional system of coordinate are vertical two-by-two, when the thrombus elastometer ontology is in water
The x-axis and the y-axis are located in horizontal plane when prosposition is set.
6. according to the method described in claim 4, it is characterized in that,
Blood to be measured is detected by the thrombus elastometer ontology described, obtains the blood clotting data of the blood to be measured
Further comprise before:
Detect the second tilt angle and inclined direction of the thrombus elastometer ontology；
According to second tilt angle and inclined direction, level-off is carried out to the thrombus elastometer ontology by elevating mechanism
Operation.
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| CN107703286A (en) * | 2017-09-18 | 2018-02-16 | 重庆鼎润医疗器械有限责任公司 | A kind of automatic adjusting horizontal method and system for thrombelastogram instrument |
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| US10816559B2 (en) * | 2014-09-29 | 2020-10-27 | Ca Casyso Ag | Blood testing system and method |
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