CN107941613B - Multifunctional testing integrated instrument for biological reaction and soft tissue mechanics - Google Patents
Multifunctional testing integrated instrument for biological reaction and soft tissue mechanics Download PDFInfo
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- CN107941613B CN107941613B CN201711127119.5A CN201711127119A CN107941613B CN 107941613 B CN107941613 B CN 107941613B CN 201711127119 A CN201711127119 A CN 201711127119A CN 107941613 B CN107941613 B CN 107941613B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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Abstract
The invention discloses a multifunctional tester for biological reaction and soft tissue mechanics, which comprises a stretching device, an extruding device, a shearing device and a sample placing groove, wherein the sample placing groove is used for placing a test sample and is also used as a biological reaction container for preparing the sample; the stretching device comprises at least two stretching modules which are movably arranged along different directions, at least two motors which drive the stretching modules to move and at least two first pressure sensors; the extrusion device comprises an extrusion testing head which is arranged above the sample placing groove and can move up and down, an adjusting mechanism which is connected with the extrusion testing head and drives the extrusion testing head to move in the horizontal direction, a displacement sensor and a second pressure sensor; the shearing device comprises an adjusting block capable of driving the shearing sheet to move up and down, a third pressure sensor and an objective table used for placing a test sample and capable of moving in the horizontal direction. The invention adopts a spatial three-dimensional layout mode to integrate a plurality of test modes on the same test platform, thereby realizing multi-mode integrated test.
Description
Technical Field
The invention relates to a multifunctional tester for biological reaction and soft tissue mechanics, belonging to the field of biomedical engineering.
Background
Testing of mechanical properties of soft tissues is an important direction in the field of biomedical engineering. In the prior art, the instrument for testing the mechanical property of the soft tissue has the following defects: 1. different biological soft tissues have different structures and physical characteristics, and tests need to be developed under different deformation modes according to the structures and the physical characteristics, so that the conventional soft tissue tester is comprehensively observed, the test modes are single, the test modes are designed for a specific soft tissue, or only one type of test under the deformation mode can be developed, and the quantitative analysis of complex tissues is difficult; 2. different test platforms are required for testing in different modes, and the same sample cannot be simultaneously subjected to stretching, shearing and extruding tests in different directions; 3. soft tissue testing and bioreactors need to be used on different platforms; 4. the behavior response of the tissue under specific boundary conditions and stress states cannot be simulated, and tests under different prestress conditions are difficult to carry out.
Disclosure of Invention
The invention aims to provide a multifunctional tester for biological reaction and soft tissue mechanics.
In order to achieve the above purpose, the present invention provides a technical solution: the multifunctional tester for biological reaction and soft tissue mechanics comprises a stretching device, an extruding device, a shearing device and a sample placing groove,
the sample placing groove is used for placing a test sample, and is also used as a biological reaction container for preparing the sample, or used as a sample prestress and boundary condition simulation device;
the stretching device comprises at least two stretching modules which are movably arranged along different directions, at least two motors which respectively drive the stretching modules to move in a one-to-one correspondence mode, and at least two first pressure sensors which are used for correspondingly measuring the force of the stretching modules in a stretching test, wherein the at least two stretching modules are arranged around the sample placing groove, and each stretching module is provided with a connecting part which is detachably connected with a test sample;
the extrusion device comprises an extrusion testing head which is arranged above the sample placing groove and can move up and down, an adjusting mechanism which is connected with the extrusion testing head and drives the extrusion testing head to move in the horizontal direction, a displacement sensor and a second pressure sensor, wherein the displacement sensor and the second pressure sensor are used for measuring the distance and the force of the extrusion testing head during an extrusion test;
the shearing device comprises a regulating block capable of regulating the shearing plate to move up and down to adapt to different test sample thicknesses, a third pressure sensor used for measuring shearing force during shearing test, and an object stage used for placing a test sample and capable of moving in the horizontal direction, wherein the object stage has at least four installation states, and the at least four installation states comprise a first state of horizontal installation, a second state of rotating 90 degrees on the horizontal plane relative to the first state, a third state of rotating 180 degrees on the horizontal plane relative to the first state, and a fourth state of rotating 270 degrees on the horizontal plane relative to the first state.
Further, the connecting portion detachably grips the test sample.
Furthermore, the stretching modules are provided with at least two pairs, wherein one pair of stretching modules is arranged symmetrically and the moving direction is along the left-right direction, and the other pair of stretching modules is arranged symmetrically and the moving direction is along the front-back direction.
Further, the sample holding groove has four extending portions extending in the front, rear, left, and right directions, respectively, so that the sample holding groove is cross-shaped.
Furthermore, two pairs of stretching modules are respectively and correspondingly arranged above the four extending parts.
Furthermore, the adjusting mechanism comprises a fixedly arranged support frame, a screw rod which is arranged on the support frame in a manner of moving back and forth, and a sliding component which is connected to the screw rod in a manner of moving left and right, and the extrusion testing head is connected below the sliding component in a manner of moving up and down.
Further, the screw adjusts the moving position of the screw by adjusting the handle.
Further, the stage is moved by a motor.
Further, the objective table can be taken out and placed in the sample placing groove, and when the shear test is carried out, the objective table is in an installation state and separated from the sample placing groove; when a tensile test or a compression test is performed, the stage is placed in the sample placement groove.
Further, at least four mounting states of the stage are each detachably mounted by a clamp.
Due to the adoption of the technical scheme, compared with the prior art, the multifunctional tester integrating the biological reaction and the soft tissue mechanics has the following advantages:
1. aiming at the technical difficulties that in the development of multi-mode tests, a stretching and shearing test structure is difficult to unify and quasi-static and dynamic tests are difficult to combine, the invention adopts an interchangeability structure and alternately arranges driving structures with different modes in a plane and a three-dimensional space; integrating a plurality of test modes on the same test platform by adopting a spatial and three-dimensional layout mode to realize multi-mode integrated test;
2. the technical scheme of the invention can realize the biaxial tension of the test sample;
3. the multi-modal testing can be performed simultaneously, and the simulation testing is performed on the states of the soft tissue under different boundary conditions: stress presetting and simulation are carried out on the stress state of the sample in the body, comprehensive mechanical property test is carried out on the soft tissue sample in the state of being close to the real environment in the body, and reverse analysis is carried out on the stress distribution of the soft tissue in the environment in the body by calculating and analyzing the stress distribution and the tensile force of the sample in the biaxial tension test and combining numerical simulation. The plane driving structure of the tester can correspondingly drive the plane testing module according to the inverse calculation of the prestress to reproduce the state of the soft tissue sample in the body. Meanwhile, the tester can conveniently apply boundary conditions to the sample through the plane and vertical driving modules, so that the boundary conditions in vivo and in vitro are consistent in the dynamic test, and the test effect of the multi-mode model is tested and analyzed;
4. a fixed sample placing platform is adopted to carry out nondestructive and rapid transfer on the fixed sample;
5. the bioreactor and the tissue characteristic test are integrated, so that the reaction preparation and the test of the biological material can be integrated.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of the multifunctional instrument for testing biological reaction and soft tissue mechanics;
FIG. 2 is a schematic view of the three-dimensional structure of the multifunctional instrument for testing biological reaction and soft tissue mechanics, the viewing angle of which is different from that of FIG. 1;
FIG. 3 is a schematic structural view of the multifunctional instrument for testing biological reaction and soft tissue mechanics.
The reference numbers in the figures are:
1. a test bench; 2. a sample placement groove; 3. a motor; 4. a stretching module; 5. a slider; 6. a guide rail; 7. a first pressure sensor; 8. a second pressure sensor; 9. a displacement sensor; 10. extruding the test head; 11. a support frame; 12. a lead screw; 13. a sliding member; 14. an adjusting handle; 15. an adjusting block; 16. a shear plate; 17. a guide member; 18. an object stage; 19. a third pressure sensor; 20. and (4) clamping.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the multifunctional instrument for testing biological reaction and soft tissue mechanics in this embodiment includes a testing platform 1, a stretching device, an extruding device, a shearing device, and a sample placing groove 2, which are disposed on the testing platform 1.
The sample placing groove 2 is fixedly arranged on the test bench 1 and is used for placing a test sample and also used as a biological reaction container for preparing the sample. In this embodiment, the sample placement groove 2 has four extension portions extending in four horizontal directions, i.e., forward, backward, leftward and rightward, respectively, so that the sample placement groove 2 is in a cross shape, and the extension portions cooperate with the stretching device to perform uniaxial stretching or biaxial stretching on the test sample, and simultaneously play a role in positioning the object stage 18, thereby preventing the object stage 18 from moving in the sample placement groove 2 and affecting the test result. The stage 18 will be described below.
The stretching device is used for carrying out unidirectional or bidirectional stretching test on the test sample. The device comprises at least two stretching modules 4 which are movably arranged along different directions, at least two motors 3 which respectively drive the stretching modules 4 to move in a one-to-one correspondence mode, and at least two first pressure sensors 7 which are used for correspondingly measuring the force of the stretching modules 4 in a stretching test. The distance measurement of the drawing module 4 in the drawing test is determined and calculated by the output of the corresponding motor 3.
At least two stretching modules 4 are arranged around the sample placement groove 2. In a more preferred embodiment, the stretching modules 4 have at least four, i.e., two pairs, one pair being moved in the left-right direction and symmetrically disposed, and the other pair being moved in the front-back direction and symmetrically disposed. The at least two first pressure sensors 7 are two, and the pair of stretching modules 4 measures the force through one first pressure sensor 7, and the other pair of stretching modules 4 measures the force through the other first pressure sensor 7.
In this embodiment, the stretching module 4 is connected to a slide block 5, and the motor 3 drives the slide block 5 to move through the feed screw and nut mechanism. The slide 5 is movably connected to a guide rail 6 and moves along the length of the guide rail 6. The guided way 6 and the motor 3 are fixedly connected on the test board 1. The longitudinal direction of each guide rail 6 is provided along the extending direction of the four extending portions of the cross-shaped sample-placing well 2.
Each tensile module 4 has a connection portion thereon to which a test specimen is detachably connected. The connecting part in the embodiment adopts a clamping structure, and the test sample can be detachably clamped. And the tensile force to the test sample is equivalently transmitted to the first pressure sensor 7 by utilizing the lever principle.
Based on the structure, the stretching device in the embodiment can realize bidirectional stretching of the test sample. Therefore, the sample placement groove 2 in the present embodiment can also be used as a sample prestress and boundary condition simulation device. Stress presetting and simulation are carried out on the stress state of the sample in the body, comprehensive mechanical property test is carried out on the soft tissue sample in the state of being close to the real environment in the body, and reverse analysis is carried out on the stress distribution of the soft tissue in the environment in the body by calculating and analyzing the stress distribution and the tensile force of the sample in the biaxial tension test and combining numerical simulation. The plane driving structure of the multifunctional integrated testing instrument can correspondingly drive the plane testing module according to the reverse calculation of the prestress, and the in-vivo state of the soft tissue sample is reproduced. Meanwhile, the multifunctional integrated testing instrument can conveniently apply boundary conditions to samples through the plane and the vertical driving module, so that the consistency of the boundary conditions in vivo and in vitro in dynamic testing is realized, and the effect of multi-mode model testing is tested and analyzed.
The extrusion device comprises an extrusion testing head 10 which is arranged above the sample placing groove 2 and can move up and down, an adjusting mechanism which is connected with the extrusion testing head 10 and drives the extrusion testing head 10 to move in the horizontal direction, a displacement sensor 9 and a second pressure sensor 8, wherein the displacement sensor is used for measuring the distance and the force of the extrusion testing head 10 during extrusion test.
In this embodiment, the adjusting mechanism includes a support frame 11 fixedly disposed, a lead screw 12 disposed on the support frame 11 in a manner of moving forward and backward, and a sliding member 13 connected to the lead screw 12 in a manner of moving left and right, and the squeeze test head 10 is connected below the sliding member 13 in a manner of moving up and down. The screw 12 adjusts the moving position of the screw 12 by adjusting the handle 14.
The shearing device comprises an adjusting block 15 capable of adjusting a shearing plate 16 to move up and down to adapt to different test sample thicknesses, a third pressure sensor 19 for measuring shearing force during shearing test, and a stage 18 for placing a test sample and capable of moving in the horizontal direction. Shear plate 16 and third pressure sensor 19 are attached to adjustment block 15.
In this embodiment, the movement of the stage 18 is driven by one of the motors 3 described above. In particular, the object table 18 is arranged on one of the above-mentioned slides 5, driven by means of the motor 3 connected to this slide 5. In a more preferred embodiment, the object table 18 is detachably connected to the slide 5.
The stage 18 has at least four mounting states including a first state of horizontal mounting, a second state rotated by 90 ° in a horizontal plane with respect to the first state, a third state rotated by 180 ° in a horizontal plane with respect to the first state, a fourth state rotated by 270 ° in a horizontal plane with respect to the first state, and a second state rotated by 90 ° in a horizontal plane with respect to the first state. The object stage 18 can be installed by rotating freely 90 degrees around the vertical central axis of the object stage on the horizontal plane, so that the samples can be sheared in different directions. Specifically, at least four mounting states of the stage 18 are detachably mounted by the clamp 20, the clamp 20 clamps the stage 18 on the slider 5, and the stage 18 can be rotated by 90 ° after being separated and then connected to the slider 5, so that the position of the test sample on the stage 18 in the horizontal direction (front, back, left and right) can be adjusted by one driving motor 3. The vertical distance between the shear plate 16 and the stage 18 is adjusted by the up-and-down movement of the adjustment block 15 so as to be adapted to the thickness of the test specimen.
In a more preferred embodiment, the stage 18 is removably placed in the sample placement groove 2, the stage 18 is attached to the slider 5 and detached from the sample placement groove 2 when a shear test is performed, and the stage 18 is detached from the slider 5 and placed in the sample placement groove 2 when a tensile test or a compression test is performed. The object stage 18 is designed in a cross shape, and when the object stage 18 is cooperatively placed in the sample placement groove 2, the sample placement groove 2 can limit the movement of the object stage 18 in the horizontal direction, so that the object stage 18 is prevented from moving in the sample placement groove 2 to influence the test result.
The shearing device also comprises a fixedly arranged guide part 17, and the adjusting block 15 is connected to the guide part 17 in a manner that the adjusting block can move up and down through a feed screw nut mechanism. In this embodiment, the guiding member 17 is fixedly connected to the testing platform 1 and is located at one side of the motor 3 for driving the object stage 18 to move.
By adopting the technical scheme, the multifunctional tester for testing the biological reaction and the soft tissue mechanics has the following advantages: 1. aiming at the technical difficulties that in the development of multi-mode tests, a stretching and shearing test structure is difficult to unify and quasi-static and dynamic tests are difficult to combine, the invention adopts an interchangeability structure and alternately arranges driving structures with different modes in a plane and a three-dimensional space; integrating a plurality of test modes on the same test platform by adopting a spatial and three-dimensional layout mode to realize multi-mode integrated test; 2. the technical scheme of the invention can realize the biaxial tension of the test sample; 3. the multi-modal test can be carried out simultaneously, and the simulation test is carried out on the states of the soft tissue under different boundary conditions; 4. a fixed sample placing platform is adopted to carry out nondestructive and rapid transfer on the fixed sample; 5. the bioreactor and the tissue characteristic test are integrated, so that the reaction preparation and the test of the biological material can be integrated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an integrative appearance of biological reaction and multi-functional test of soft tissue mechanics which characterized in that: it comprises a stretching device, an extruding device, a shearing device and a sample placing groove,
the sample placing groove is used for placing a test sample and is also used as a biological reaction container for preparing the sample;
the stretching device comprises at least two stretching modules which are arranged in a moving mode along different directions, at least two motors which respectively drive the stretching modules to move in a one-to-one corresponding mode, and at least two first pressure sensors which are used for correspondingly measuring the force of the stretching modules in a stretching test, wherein the at least two stretching modules are arranged around the sample placing groove, and each stretching module is provided with a connecting part which is detachably connected with the test sample;
the extrusion device comprises an extrusion testing head which is arranged above the sample placing groove and can move up and down, an adjusting mechanism which is connected with the extrusion testing head and drives the extrusion testing head to move in the horizontal direction, a displacement sensor and a second pressure sensor, wherein the displacement sensor and the second pressure sensor are used for measuring the distance and the force of the extrusion testing head during an extrusion test;
the shearing device comprises an adjusting block which can drive a shearing plate to move up and down to adapt to different test sample thicknesses, a third pressure sensor used for measuring shearing force during a shearing test, and an object stage used for placing the test sample and capable of moving in the horizontal direction, wherein the object stage has at least four installation states, and the at least four installation states comprise a first state of horizontal installation, a second state of rotating 90 degrees on the horizontal plane relative to the first state, a third state of rotating 180 degrees on the horizontal plane relative to the first state, and a fourth state of rotating 270 degrees on the horizontal plane relative to the first state;
the sample placing groove is provided with four extending parts which respectively extend towards the front direction, the rear direction, the left direction and the right direction, so that the sample placing groove is in a cross shape;
the objective table can be taken out and placed in the sample placing groove, and is in the mounting state and separated from the sample placing groove when a shear test is carried out; when a tensile test or a compression test is performed, the stage is placed in the sample placement groove.
2. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 1, wherein: the connecting portion releasably grips the test specimen.
3. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 1, wherein: the stretching modules are at least two pairs, wherein one pair of stretching modules are symmetrically arranged and move along the left-right direction, and the other pair of stretching modules are symmetrically arranged and move along the front-back direction.
4. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 1, wherein: the two pairs of stretching modules are respectively and correspondingly arranged above the four extending parts.
5. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 1, wherein: the adjusting mechanism comprises a support frame fixedly arranged, a screw rod arranged on the support frame in a manner of moving back and forth, and a sliding component connected to the screw rod in a manner of moving left and right, and the extrusion testing head is movably connected below the sliding component along the vertical direction.
6. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 5, wherein: the moving position of the lead screw is adjusted by adjusting the handle.
7. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 1, wherein: the object stage is driven to move by one motor.
8. The multifunctional instrument for testing biological reaction and soft tissue mechanics according to claim 7, wherein: at least four mounting states of the stage are detachably mounted by a jig.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127119.5A CN107941613B (en) | 2017-11-15 | 2017-11-15 | Multifunctional testing integrated instrument for biological reaction and soft tissue mechanics |
| PCT/CN2017/112222 WO2019095409A1 (en) | 2017-11-15 | 2017-11-22 | Integrated multifunctional test instrument for biological reaction and soft tissue mechanics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127119.5A CN107941613B (en) | 2017-11-15 | 2017-11-15 | Multifunctional testing integrated instrument for biological reaction and soft tissue mechanics |
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| Publication Number | Publication Date |
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| CN107941613A CN107941613A (en) | 2018-04-20 |
| CN107941613B true CN107941613B (en) | 2020-10-09 |
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| CN201711127119.5A Expired - Fee Related CN107941613B (en) | 2017-11-15 | 2017-11-15 | Multifunctional testing integrated instrument for biological reaction and soft tissue mechanics |
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| CN (1) | CN107941613B (en) |
| WO (1) | WO2019095409A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10287548B2 (en) * | 2016-06-29 | 2019-05-14 | General Electric Company | Method and device for closed system culture of cartilage tissue |
| CN110687042A (en) * | 2019-09-16 | 2020-01-14 | 浙江理工大学 | In-vitro soft tissue multi-axis stretching measurement platform and measurement method thereof |
| CN111208007B (en) * | 2020-01-20 | 2022-06-03 | 通标标准技术服务有限公司 | Method for detecting mechanical property of textile material |
| CN112113812A (en) * | 2020-09-02 | 2020-12-22 | 四川大学 | Process and device for preparing flat section of soft biological material sample |
| CN113075032B (en) * | 2021-03-06 | 2022-12-13 | 青岛大学附属医院 | Equipment for simulating use condition of bandage and detecting toughness of bandage |
| CN115500814A (en) | 2022-10-14 | 2022-12-23 | 复旦大学 | Plantar soft tissue in-vivo multidimensional stress-strain detection equipment |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62187237A (en) * | 1986-02-14 | 1987-08-15 | Toshiba Corp | Tension testing device for brittle material |
| CN87205653U (en) * | 1987-03-28 | 1987-12-02 | 华南工学院 | Mechanical double directions tensile tester |
| CN2551177Y (en) * | 2002-06-25 | 2003-05-21 | 中国中医研究院骨伤科研究所 | Ring type soft tissue mechanics tester |
| JP5002827B2 (en) * | 2007-03-23 | 2012-08-15 | 中国電力株式会社 | Shear testing device for rock discontinuities |
| CZ18420U1 (en) * | 2008-01-25 | 2008-04-07 | Benedík@Jaroslav | Apparatus to determine quality and strength of blood vessel wall |
| KR100986904B1 (en) * | 2008-11-10 | 2010-10-08 | 한국항공우주산업 주식회사 | Apparatus for shear and flexural stress test |
| KR20130034321A (en) * | 2011-09-28 | 2013-04-05 | 한국건설기술연구원 | Concrete tension test and method for split hopkinson tension bar |
| CN202514756U (en) * | 2012-02-26 | 2012-11-07 | 南昌大学 | Umbrella with massage function |
| CN102706731B (en) * | 2012-06-14 | 2014-12-03 | 河南理工大学 | Biaxial tension test device for testing performance of sheet metal |
| CN103308404B (en) * | 2013-06-14 | 2015-04-08 | 吉林大学 | In-situ nano-indentation tester based on adjustable stretching-bending preload |
| CN103487315B (en) * | 2013-08-28 | 2015-11-18 | 吉林大学 | A kind of material mechanical performance proving installation |
| CN104359767B (en) * | 2014-10-18 | 2017-01-25 | 吉林大学 | High-temperature biaxial tension device |
| CN104330299B (en) * | 2014-11-07 | 2017-03-22 | 山东大学 | Mechanical property testing system for soft tissues of tiny organisms and working method of mechanical property testing system |
| CN104502202B (en) * | 2014-12-15 | 2017-01-25 | 吉林大学 | Online material biaxial static-dynamic performance test platform under service temperature |
| CN104568591B (en) * | 2015-01-06 | 2019-02-19 | 上海交通大学 | A kind of biaxial stretch-formed test device |
| CN205080003U (en) * | 2015-07-14 | 2016-03-09 | 苏州大学张家港工业技术研究院 | Mechanics characteristic test appearance of biological soft tissue |
| CN104977211B (en) * | 2015-07-14 | 2018-07-13 | 苏州大学张家港工业技术研究院 | The mechanical property testing instrument of biologic soft tissue |
| CN105158074A (en) * | 2015-09-29 | 2015-12-16 | 北京航空航天大学 | Thermal environment two-way stretch cross test piece |
| CN205192870U (en) * | 2015-10-26 | 2016-04-27 | 苏州大学张家港工业技术研究院 | Biological soft tissue mechanics characteristic test appearance |
| CN105300812B (en) * | 2015-10-26 | 2017-11-28 | 苏州大学 | The mechanical measuring and calculation method of Constitutive Relation of Soft Tissue tester and biologic soft tissue |
| CN205301100U (en) * | 2016-01-05 | 2016-06-08 | 郑州大学 | Measure biological soft tissue mechanical properties's shearing mechanism |
| CN105571956B (en) * | 2016-01-05 | 2018-05-29 | 郑州大学 | A kind of shear for measuring biologic soft tissue mechanical property |
| CN205483873U (en) * | 2016-01-25 | 2016-08-17 | 中国科学院声学研究所东海研究站 | Biological tissue elasticity measuring apparatu |
| CN105842055B (en) * | 2016-03-15 | 2018-05-18 | 北京航空航天大学 | A kind of strength test fixture that control with changed scale Biaxial stress is carried out using single axis test machines |
| CN106226152B (en) * | 2016-07-08 | 2018-06-01 | 吉林大学 | Material mechanical property in-situ tests System and method under quiet Dynamic Load Spectrum |
| CN206248460U (en) * | 2016-10-13 | 2017-06-13 | 苏州大学张家港工业技术研究院 | Biologic soft tissue Micromechanics characteristic tester |
| CN106525585A (en) * | 2016-11-16 | 2017-03-22 | 北方工业大学 | A bidirectional tension-compression testing machine and a bidirectional tension-compression testing method |
| CN206362642U (en) * | 2016-12-27 | 2017-07-28 | 吉林大学 | High temperature Dual-shaft synchronous stretching mechanical property tester device |
| CN106644720A (en) * | 2016-12-27 | 2017-05-10 | 重庆大学 | Biaxial stretching device for realizing adjustable stress and strain ratio based on unidirectional testing machine |
| CN206557011U (en) * | 2017-01-19 | 2017-10-13 | 苏州大学 | Soft tissue anisotropy shears mechanics characteristic tester |
| CN106896028A (en) * | 2017-02-28 | 2017-06-27 | 天津工业大学 | Three dimensional fabric shearing, biaxial stretching experimental rig and method |
| CN106706430B (en) * | 2017-03-10 | 2023-06-16 | 山东大学 | Testing device for active biological biaxial stretching and application of testing device in soft material |
| CN107271287A (en) * | 2017-07-06 | 2017-10-20 | 东南大学 | A kind of horizontal-type biaxial extension test testing machine and tensile test method |
-
2017
- 2017-11-15 CN CN201711127119.5A patent/CN107941613B/en not_active Expired - Fee Related
- 2017-11-22 WO PCT/CN2017/112222 patent/WO2019095409A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| CN107941613A (en) | 2018-04-20 |
| WO2019095409A1 (en) | 2019-05-23 |
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