CN107144424B - The detection method and system of thrombelastogram instrument pendency silk stiffness factor - Google Patents
The detection method and system of thrombelastogram instrument pendency silk stiffness factor Download PDFInfo
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- CN107144424B CN107144424B CN201710481797.5A CN201710481797A CN107144424B CN 107144424 B CN107144424 B CN 107144424B CN 201710481797 A CN201710481797 A CN 201710481797A CN 107144424 B CN107144424 B CN 107144424B
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Abstract
The present invention is suitable for medical detection field, provide the detection method and system of a kind of thrombelastogram instrument pendency silk stiffness factor, the system includes: measurement probe, it is connect with measurement probe tip inverted T shaped by rotary column, it is connected in turn pendency silk and fixed bracket at the top of rotary column, it is fixedly connected on the stay of rotary column, lower sheet metal, torsion measurement sensor and controller are equipped between two metal sheets, controller measures the periodically variable torsion that sensor senses according to torsion and obtains by the rotation period of rotary column, standard component is removably connected with by the cross member side of rotary column, if standard component is standard component one, passive column rotation period T is obtained by controller1If standard component is standard component two, passive column rotation period T is obtained by controller2, controller is according to T1And T2Calculate the stiffness factor of pendency silk；By the calculated pendency silk stiffness factor of rotary inertia, influence of the external interference to the calculation method is little, it is ensured that the accuracy of pendency silk stiffness factor value.
Description
Technical field
The invention belongs to the detection sides of medical detection field more particularly to a kind of thrombelastogram instrument pendency silk stiffness factor
Method and system.
Background technique
Having a kind of important component part in existing thrombelastogram instrument blood coagulable status detection device is pendency silk, it rises
To the effect of torsional spring, obtained by the twisting angle of detection pendency silk tested blood clotting and fibrinolytic rate and tested blood
The intensity of liquid condensation needs the stiffness factor to pendency silk to detect, common detection method with the passage for using the time
It is to be detected using standard torsional spring, i.e., standard button spring is fixed in measuring instrument main body, standard component is reversed into certain angle, is then surveyed
The angle rotated out by rotary column, the stiffness factor of pendency silk is calculated according to the stiffness factor of standard button spring, and standard component first is done
Getting up, structure is complicated, and stiffness factor itself can also change over time, and its stiffness factor in the case where different temperatures
Different, this has an impact the precision of detection.
Summary of the invention
The embodiment of the present invention provides a kind of thrombelastogram instrument pendency silk stiffness factor detection method and system, it is intended to solve
Existing standard spring detection Plays spring its stiffness factor itself can also change over time, and the different temperatures the case where
Its lower stiffness factor is also different, the problem of having an impact to the precision of detection.
The silk stiffness factor detection system the invention is realized in this way a kind of thrombelastogram instrument dangles, the system packet
It includes:
Probe is measured, is fixedly connected with the measurement probe tip inverted T shaped by rotary column, the inverted T shaped top by rotary column
Portion is fixedly connected with pendency silk, is connected with fixed bracket at the top of the pendency silk, in the inverted T shaped stay by rotary column
On be fixedly connected with sheet metal and lower sheet metal, be provided between the upper sheet metal and the lower sheet metal torsion measurement
Sensor and the controller connecting with the torsion sensor, the controller measure the week that sensor senses according to the torsion
The torsion of phase property variation is obtained by the rotation period T of rotary column；
It is described it is inverted T shaped standard component is provided with by the cross member side of rotary column, the standard component is by being detachably connected
Device is connect with the cross member side, when the standard component be standard component for the moment, the measurement probe is placed in and fills blood
In the measuring cup of liquid sample, the angular speed rotation for controlling the measuring cup to set obtains inverted T shaped turned by the controller
Column rotation period T1, when the standard component is standard component two, the measurement probe is placed in the survey for filling same blood sample
It in measuring cup, controls the measuring cup and is rotated with identical angular speed, obtained by the controller inverted T shaped by rotary column rotation period
T2, the controller is according to described inverted T shaped by rotary column rotation period T1And it is described inverted T shaped by rotary column rotation period T2Calculate pendency
The stiffness factor K of silk；
The standard component one is different with the rotary inertia of the standard component two.
The embodiment of the present invention also provides a kind of detection side based on thrombelastogram instrument pendency silk stiffness factor detection system
Method, this method comprises the following steps:
S1, standard component one is detachably connected on the inverted T shaped side by rotary column cross member, measurement probe is placed in and is filled
In the measuring cup of blood preparation, the angular speed rotation for controlling the measuring cup to set is obtained inverted T shaped by rotary column by controller
Rotation period T1, standard component one is unloaded from the cross member side；
S2, standard component two is detachably connected on the inverted T shaped side by rotary column cross member, measurement probe is placed in and is filled
In the measuring cup of same blood sample, control measuring cup is rotated with identical angular speed, is obtained by controller inverted T shaped by rotary column
Rotation period T2,
S3, controller are according to inverted T shaped by rotary column rotation period T1And it is inverted T shaped by rotary column rotation period T2Calculate pendency silk
Stiffness factor.
Due to hanging silk as the passage for using the time, elasticity can change, the accuracy of blood clotting curve will affect,
Timing is needed to measure the stiffness factor of pendency silk, whether place changes or in best for the performance of the silk that judges to dangle,
Pendency silk stiffness factor detection system provided in an embodiment of the present invention can pass through the calculated pendency silk of method of rotary inertia
Stiffness factor value, and influence of the external interference (such as temperature and time) to the pendency silk stiffness factor calculation method is little, really
The accuracy for having protected pendency silk stiffness factor value is also able to achieve coagulation process in addition, the control program to controller improves
Detection, therefore, every time carry out blood clotting curved measurement before, switching control program, carry out pendency silk stiffness factor measurement,
Judge whether its elasticity changes, later, in the measurement for carrying out blood clotting curve, it is ensured that the accuracy of coagulation curve.
Detailed description of the invention
Fig. 1 is the structural representation of thrombelastogram instrument pendency silk stiffness factor detection system provided in an embodiment of the present invention
Figure；
Fig. 2 is the flow chart of thrombelastogram instrument pendency silk stiffness factor detection method provided in an embodiment of the present invention；
1. measure probe, 2. it is inverted T shaped by rotary column, 21. stays, 22. cross members, 23. holes, 3. pendency silks, 4.
Fixed bracket, 5. sheet metals, sheet metal, 52. lower sheet metals, 53. torsion measurement sensors, 6. standard components, 7. connections on 51.
Bar, 8. nuts.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structural schematic diagram of thrombelastogram instrument provided by the invention pendency silk stiffness factor detection system, in order to
Convenient for explanation, part related to the embodiment of the present invention is only shown.
Thrombelastogram instrument pendency silk stiffness factor detection system includes: measurement probe 1, with the fixed company of measurement probe tip
What is connect is inverted T shaped by rotary column 2, and the inverted T shaped top by rotary column 2 is fixedly connected with pendency silk 3, and the top of pendency silk 3 is connected with fixation
Bracket 4 is fixedly connected with upper sheet metal 51 and lower sheet metal 52, in upper sheet metal on the inverted T shaped stay 21 by rotary column 2
It is provided with torsion measurement sensor 53 between 51 and lower sheet metal 52 and the controller connecting with torsion sensor 53 (does not show in figure
Out), controller measures the periodically variable torsion that sensor 53 senses according to torsion and obtains the inverted T shaped rotation period by rotary column
T；
The side of the inverted T shaped cross member 22 by rotary column 2 is provided with standard component 6, standard component 6 is by being detachably connected dress
It sets and is connect with the side of cross member 22；When the standard component 6 be standard component for the moment, measurement probe 1 is placed in and fills blood preparation
Measuring cup in, control measuring cup with set angular speed rotation, obtained by controller inverted T shaped by rotary column rotation period T1,
When standard component 6 be standard component two when, will measurement probe 1 be placed in the measuring cup for filling same blood sample, control measuring cup with
Identical angular speed rotation, is obtained inverted T shaped by rotary column rotation period T by controller2, controller is according to inverted T shaped by rotary column turn
Dynamic cycle T1And it is inverted T shaped by rotary column rotation period T2Calculate the stiffness factor K of pendency silk.
In the present invention, standard component one is different with two rotary inertia of standard component, for the ease of real by same fixed device
Existing standard component one and standard component two being detachably connected by the side of the cross member of rotary column, the standard component one and standard in T-type
Two physical structure of part is identical, i.e., shape is identical.
The measurement probe 1 for being fixed with the vertical silk stiffness factor detection system of standard component one is placed in the survey for filling blood preparation
In measuring cup, the angular speed rotation for controlling measuring cup to set, measurement probe drives measurement with the stress that the blood of condensation generates
Probe and it is inverted T shaped by rotary column 2, sheet metal (5) and pendency silk 3 periodically rotated in torsion measurement sensor 53, control
Device obtained according to the periodically variable torsion that force measuring sensors 53 sense it is inverted T shaped by rotary column 2 and measurement probe 1 turn
Dynamic cycle T1, the measurement probe 1 for being fixed with the vertical silk stiffness factor detection system of standard component two is placed in and fills same blood mark
In this measuring cup, control measuring cup is rotated with identical angular speed, the stress zone that measurement probe is generated with the blood of condensation
It dynamic measurement probe 1 and inverted T shaped is periodically revolved in torsion measurement sensor 53 by rotary column 2, sheet metal (5) and pendency silk 3
Turn, controller (showing in figure) obtains inverted T shaped quilt according to the periodically variable torsion that torsion measurement sensor senses
Rotary column and the rotation period T for measuring probe2, the stiffness factor of pendency silk, stiffness factor K meter are calculated according to two rotation period values
Calculation method is as follows:
The inverted T shaped rotation period by rotary column is with the stiffness factor of pendency silk and the relationship of rotary inertia:
Wherein I0It is the inverted T shaped rotary inertia by rotary column, upper and lower sheet metal and the silk itself that dangles, K is the stiffness of pendency silk
Coefficient, T are to measure the inverted T shaped rotation period by rotary column.After above formula transformation:
Fixed standard part one is set in the inverted T shaped side by rotary column cross member 22, the rotary inertia of standard component one is I1,
It can be measured with canonical measure device, it is inverted T shaped by rotary column rotation period T to obtain torsion measurement sensor detection1；
Fixed standard part two is set in the inverted T shaped side by rotary column cross member, the rotary inertia of standard component two is I2, can
To be measured with canonical measure device, it is inverted T shaped by rotary column rotation period T to obtain torsion measurement sensor detection2；
The stiffness factor of pendency silk can be found out by formula (3) and formula (4)
Due to hanging silk as the passage for using the time, elasticity can change, the accuracy of blood clotting curve will affect,
Timing is needed to measure the stiffness factor of pendency silk, whether place changes or in best for the performance of the silk that judges to dangle,
Pendency silk stiffness factor detection system provided in an embodiment of the present invention can pass through the calculated pendency silk of method of rotary inertia
Stiffness factor value, and influence of the external interference (such as temperature and time) to the pendency silk stiffness factor calculation method is little, really
The accuracy for having protected pendency silk stiffness factor value is also able to achieve coagulation process in addition, the control program to controller improves
Detection, therefore, every time carry out blood clotting curved measurement before, switching control program, carry out pendency silk stiffness factor measurement,
Judge whether its elasticity changes, later, in the measurement for carrying out blood clotting curve, it is ensured that the accuracy of coagulation curve.
In embodiments of the present invention, above-mentioned detachable connecting device includes:
22 side of cross member setting the hole 23 with screw thread one,
Connecting rod 7, one end of connecting rod 7 are equipped with the screw thread being adapted with 23 screw thread of hole, are consolidated connecting rod 7 by screw thread
Due to the side of cross member 22, the other end of connecting rod 7 is provided with screw thread two；
The perforation being set on standard component 6, and the nut 8 being adapted with screw thread two；
The standard component 6 passes through connecting rod 7, rotating nuts 8, until standard component 6 from the side for being equipped with screw thread two by perforation
Press the side of cross member 22；
Fig. 2 is the flow chart of thrombelastogram instrument provided by the invention pendency silk stiffness factor detection method, is based on the blood
Bolt elastic force figure instrument pendency silk stiffness factor detection method realizes that this method includes following step based on rotation period measuring device
It is rapid:
S1, standard component one is detachably connected on the inverted T shaped side by rotary column cross member, measurement probe is placed in and is filled
In the measuring cup of blood preparation, the angular speed rotation for controlling measuring cup to set is obtained by controller and inverted T shaped is rotated by rotary column
Cycle T1, standard component one is unloaded from the side of rotary column cross member；
S2, standard component two is detachably connected on the inverted T shaped side by rotary column cross member, measurement probe is placed in and is filled
In the measuring cup of same blood sample, control measuring cup is rotated with identical angular speed, is obtained by controller inverted T shaped by rotary column
Rotation period T2,
In the present invention, inertia difference is moved in the rotation of standard component one and standard component two, for the ease of passing through same fixed dress
It sets and realizes standard component one and standard component two being detachably connected in the side of the inverted T shaped cross member by rotary column, the standard component one
Identical with two physical structure of standard component, i.e., shape is identical.
S3, controller are according to inverted T shaped by rotary column rotation period T1And it is inverted T shaped by rotary column rotation period T2Calculate pendency silk
Stiffness factor.
In the present invention, according to inverted T shaped by rotary column rotation period T1And it is inverted T shaped by rotary column rotation period T2Calculate pendency silk
Stiffness factor method it is as described above.
Due to hanging silk as the passage for using the time, elasticity can change, the accuracy of blood clotting curve will affect,
Timing is needed to measure the stiffness factor of pendency silk, whether place changes or in best for the performance of the silk that judges to dangle,
Pendency silk stiffness factor detection method provided in an embodiment of the present invention can pass through the calculated pendency silk of method of rotary inertia
Stiffness factor value, and influence of the external interference (such as temperature and time) to the pendency silk stiffness factor calculation method is little, really
The accuracy for having protected pendency silk stiffness factor value is also able to achieve coagulation process in addition, the control program to controller improves
Detection, therefore, every time carry out blood clotting curved measurement before, switching control program, carry out pendency silk stiffness factor measurement,
Judge whether its elasticity changes, later, in the measurement for carrying out blood clotting curve, it is ensured that the accuracy of coagulation curve.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
- The silk stiffness factor detection system 1. a kind of thrombelastogram instrument dangles, which is characterized in that the system comprises:Measure probe, be fixedly connected with the measurement probe tip it is inverted T shaped by rotary column, it is described inverted T shaped to be consolidated by the top of rotary column Surely it is connected with pendency silk, fixed bracket is connected at the top of the pendency silk, is fixed on the inverted T shaped stay by rotary column It is connected with sheet metal and lower sheet metal, is provided with torsion measurement sensor between the upper sheet metal and the lower sheet metal And the controller being connect with the torsion measurement sensor, the week that the controller is sensed according to the torsion measurement sensor The torsion of phase property variation obtains the inverted T shaped rotation period T by rotary column；It is described it is inverted T shaped standard component is provided with by the cross member side of rotary column, the standard component passes through detachable connecting device Connect with the cross member side, when the standard component be standard component for the moment, the measurement probe is placed in and fills blood mark In this measuring cup, the angular speed rotation for controlling the measuring cup to set is obtained inverted T shaped by rotary column turn by the controller Dynamic cycle T1, when the standard component is standard component two, the measurement probe is placed in the measuring cup for filling same blood sample In, it controls the measuring cup and is rotated with identical angular speed, obtained by the controller inverted T shaped by rotary column rotation period T2, The controller is according to described inverted T shaped by rotary column rotation period T1And it is described inverted T shaped by rotary column rotation period T2Calculate pendency silk Stiffness factor K；The standard component one is different with the rotary inertia of the standard component two.
- The silk stiffness factor detection system 2. thrombelastogram instrument as described in claim 1 dangles, which is characterized in that the standard Part one is identical with two shape of standard component.
- The silk stiffness factor detection system 3. thrombelastogram instrument as claimed in claim 1 or 2 dangles, which is characterized in that described Detachable connecting device includes:In the hole with screw thread one of cross member side setting；Connecting rod, one end of connecting rod are equipped with the screw thread being adapted with described hole screw thread, by the screw thread by the connection Bar is fixed on the side of the cross member, and the other end of the connecting rod is provided with screw thread two；It is set to the perforation of the standard component, and the nut being adapted with the screw thread two, the standard component is worn by described Hole passes through the connecting rod from the side for being equipped with the screw thread two, rotates the nut, until the standard component presses the cross To the side of component.
- 4. based on the outstanding of the pendency silk stiffness factor detection system of thrombelastogram instrument described in claims 1 to 3 any claim Vertical silk stiffness factor detection method, which is characterized in that described method includes following steps:S1, standard component one is detachably attached to the inverted T shaped side by rotary column cross member, measurement probe is placed in and fills blood In the measuring cup of sample, the angular speed rotation for controlling the measuring cup to set is obtained by controller and inverted T shaped is rotated by rotary column Cycle T1, standard component one is unloaded from the cross member side；S2, standard component two is detachably connected on the inverted T shaped side by rotary column cross member, will measurement probe be placed in fill it is identical In the measuring cup of blood preparation, control measuring cup is rotated with identical angular speed, is obtained and inverted T shaped is rotated by rotary column by controller Cycle T2,S3, controller are according to inverted T shaped by rotary column rotation period T1And it is inverted T shaped by rotary column rotation period T2Calculate the stiffness of pendency silk Coefficient.
- 5. the pendency silk stiffness factor as claimed in claim 4 based on thrombelastogram instrument pendency silk stiffness factor detection system Detection method, which is characterized in that the standard component one is identical with the shape of the standard component two.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111380782B (en) * | 2019-05-25 | 2023-07-28 | 郑州普湾医疗技术有限公司 | Sensor alloy suspension wire and thromboelastography instrument with same |
| CN110261589B (en) * | 2019-07-18 | 2021-07-06 | 深圳优迪生物技术有限公司 | Thrombelastogram instrument based on micro-resistance |
| CN112710421B (en) * | 2020-12-10 | 2022-07-19 | 重庆南方数控设备股份有限公司 | Micro-torque detection and calibration device and method for torsion meter of thromboelastogram instrument |
| CN112881664B (en) * | 2021-01-28 | 2023-03-10 | 常熟常江生物技术有限公司 | Standard structure for calibrating thrombelastogram instrument and standard block thereof |
| CN113865846B (en) * | 2021-09-26 | 2024-03-19 | 恪宁科技(上海)有限公司 | Device and method for detecting stiffness coefficient of suspension wire of thromboelastography instrument |
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| CN201285336Y (en) * | 2008-10-14 | 2009-08-05 | 上海底特精密紧固件有限公司 | Torque coefficient test machine |
| US8448499B2 (en) * | 2008-12-23 | 2013-05-28 | C A Casyso Ag | Cartridge device for a measuring system for measuring viscoelastic characteristics of a sample liquid, a corresponding measuring system, and a corresponding method |
| CN202331996U (en) * | 2011-11-04 | 2012-07-11 | 湖南工业大学 | Measuring device of spring stiffness coefficient |
| CN202433166U (en) * | 2011-11-30 | 2012-09-12 | 长城汽车股份有限公司 | Modulus of elasticity measuring device for spring |
| CN203263364U (en) * | 2013-03-19 | 2013-11-06 | 浙江中控研究院有限公司 | Torsion detection overhanging wire and thrombelastogram instrument |
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Effective date of registration: 20220324 Address after: 241000 warehouse 22, No. 116, Jiuhua North Road, Jiujiang District, Wuhu City, Anhui Province Patentee after: ANHUI JIANLANG MEDICAL DEVICES Co.,Ltd. Address before: 236000 No. 72, Dongyue East Lane, Wenfeng office, Yingzhou District, Fuyang City, Anhui Province Patentee before: Ling Zhongxin |
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