CN209707332U - It is a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies - Google Patents
It is a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies Download PDFInfo
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- CN209707332U CN209707332U CN201920310229.3U CN201920310229U CN209707332U CN 209707332 U CN209707332 U CN 209707332U CN 201920310229 U CN201920310229 U CN 201920310229U CN 209707332 U CN209707332 U CN 209707332U
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Abstract
The utility model discloses a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies, belongs to biomethanics technical field.The device includes: cylinder, mounting platform, multiple ring bodies and the multiple curved surface axis of upper end opening, mounting platform is threaded on cylinder, the upper surface of mounting platform is equipped with multiple circular through holes, curved surface axis is placed in circular through hole vertically, the bottom end of curved surface axis is arranged on the intracorporal bottom surface of cylinder, and the upper surface periphery of mounting platform has the groove body upwardly extended.The utility model structure is simple, is easily assembled to;It can carry out the external degradation experiment under the implantation constant isometric deformation of material static;It solves the problems, such as that constant isometric deformation can not be provided during the outer degradation experiment of implantation material bodies, substantially increases the precision of experiment.
Description
Technical field
The utility model relates to biomethanics technical fields, and in particular to a kind of for being implanted into degradation experiment outside material bodies
Isometric deformation apparatus.
Background technique
Currently, some natural biologic materials and synthetic material are because its is excellent with the development of tissue engineering technique
Mechanical property and good biocompatibility, show up prominently in tissue repair field.Such as: acellular matrix, sea
Alginates, chitosan etc..
But implantation material needs to carry out corresponding experiment in vitro before carrying out experiment in vivo, wherein external degradation is tested
It is an essential ring.In vitro in degradation experiment, experimental result can be made by sufficiently simulating body biomechanics environment
With science, thus it is possible to which the external degradation experimental provision for simulating biomechanical environment is most important.
Since the interior environment of human body is constantly in stable state, Various Tissues be constantly subjected to body fluid it is generated it is constant
Isometric deformation.Such as: contain sinuses of dura mater in endocranium, this is the approach of the reflux of cerebral vein blood and cerebrospinal fluid reflux, In
During body fluid flows back, endocranium will receive the constant pressure raw from liquid flow movable property, therefore, in order to make endocranium reparation
Material preferably generates repairing effect, in vitro will constant shape that fully simulated body fluid generates material when degradation experiment
Become.In addition, often there is isometric deformation under biomechanical environment in material after implanting, however can be with there is presently no one kind
Material is maintained to keep the external degradation experimental provision of isometric deformation.Therefore, how to design a kind of equipment makes material in vitro
Static isometric deformation is realized during degradation experiment, is a current major issue for needing to make great efforts to go to solve.
Utility model content
The utility model provides a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies, can solve existing
The above problem in technology.The deformation apparatus can be given quiet in the parallel laboratory test and control experiment of implantation material external degradation
The constant deformation of state.Furthermore the device makes implantation material be promoted to isometric deformation from single deformation in degradation experiment, preferably
Influence of the body biomechanics environment to material is simulated, the precision of experiment is greatly improved.
The utility model provides a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies, comprising: upper end
The cylinder of opening, mounting platform, multiple ring bodies and multiple curved surface axis, the mounting platform are threaded on the cylinder, institute
The upper surface for stating mounting platform is equipped with multiple circular through holes, is placed with the curved surface axis, the song vertically in the circular through hole
The bottom end of face axis is arranged on the intracorporal bottom surface of the cylinder, and the upper surface periphery of the mounting platform has the slot upwardly extended
Body.
Preferably, the periphery of each circular through hole is equipped with first annular slot and the second annular groove, first annular slot
The upper surface of the mounting platform is arranged at the second annular groove, the second annular groove is located at the periphery of first annular slot, described
First annular slot is equipped with ring body, and second annular groove is equipped with fastener.
Preferably, the groove body is equipped with sealing cover.
Preferably, the sealing cover is threaded on the groove body.
Preferably, the outer surface of the cylinder is equipped with several U-type grooves, and the outer surface of the mounting platform is equipped with several
Inverted U slot.
Preferably, the U-type groove and the quantity of inverted U slot are one.
Preferably, the upper end of the curved surface axis is oval spherical, the cylinder, mounting platform, multiple curved surface axis, multiple buttons
The material of part, sealing cover and groove body is polycarbonate.
Compared with prior art, the utility model has the beneficial effects that
(1) the isometric deformation apparatus is domestic initiation, and its constituent element is simple, is easily assembled to.
(2) the isometric deformation apparatus designs for multiaxis, and primary experiment can carry out multiple sample treatments.
(3) the curved surface axis of the isometric deformation apparatus can be selected according to the area of implantation material sample, so that selection is suitable
Degradation experiment method.Different curved surface axis can be replaced in one device, compares experiment, can also be adopted in one apparatus
Parallel laboratory test is carried out with the same curved surface axis;Can also Multi-example control experiment be carried out with multiple devices simultaneously.
(4) material of the isometric deformation apparatus selects novel, avoids conventional metal material in degradation process by enzyme solution
Corrosion after release Cucumber experimental result is had an impact.
(5) sealing cover of the isometric deformation apparatus has sealing function, can prevent pollution of the external environment to material,
It can prevent degradation solution from revealing.
(6) the isometric deformation apparatus, which is solved, can not provide constant isometric shape during being implanted into degradation experiment outside material bodies
The problem of change, the single deformation or bidirectional deformation for keeping material suffered during degradation are converted to isometric deformation, preferably
It has been fitted influence of the human internal environment to material, has improved the precision of experiment.
(7) it in addition, the isometric deformation apparatus, which can according to need, is designed to the different number of axle (1-13 axis differs), greatly improves
Conventional efficient.
Detailed description of the invention
Fig. 1 is the isometric deformation apparatus structural schematic diagram of the utility model.
Description of symbols:
1. cylinder, 2. mounting platforms, 2-1. circular through hole, the first annular slot of 2-2., the second annular groove of 2-3., 3. ring bodies,
4. curved surface axis, 5. fasteners, 6.U type groove, 7. inverted U slots, 8. groove bodies.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the utility model protection
Range.
As shown in Figure 1, the utility model provide it is a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies,
It include: cylinder 1, mounting platform 2, multiple ring bodies 3 and the multiple curved surface axis 4 of upper end opening, the mounting platform 2 is threaded in
(internal screw thread is equipped in cylinder 1, mounting platform is equipped with external screw thread) on the cylinder 1, the upper surface of the mounting platform 2 is equipped with more
The curved surface axis 4 is placed in a circular through hole 2-1, the circular through hole 2-1 vertically, the bottom end setting of the curved surface axis 4 exists
On bottom surface in the cylinder 1, for example, the threaded hole of installation curved surface axis 4, curved surface axis 4 can be arranged on the bottom surface in cylinder 1
It is threadedly coupled with cylinder 1, and adds nut fastening.The upper surface periphery of the mounting platform 2 has the groove body 8 upwardly extended.
Further, the periphery of each circular through hole 2-1 is equipped with first annular slot 2-2 and the second annular groove 2-3,
First annular slot 2-2 and the second annular groove 2-3 is arranged at the upper surface of the mounting platform 2, and the second annular groove 2-3 is located at the
The periphery of one annular groove 2-2, the first annular slot 2-2 are equipped with ring body 3, and the second annular groove 2-3 is equipped with fastener 5.
Further, the groove body 8 is equipped with sealing cover, and when experiment liquid is added in groove body 8, covering sealing cover is prevented
Leaked liquid.
Further, the sealing cover is threaded on the groove body 8.
Further, the outer surface of the cylinder is equipped with several U-type grooves, and the outer surface of the mounting platform is equipped with several
A inverted U slot.U-type groove 6 and U-type groove 7 are used for the distance that mark installment platform 2 turns over, so that it is determined that whether curved surface axis 4 is from circle
Expose in through-hole 2-1.The position of U-type groove 6 and inverted U slot 7 is set by calculating the relative position of curved surface axis 4 and circular through hole
It sets, when U-type groove 6 and inverted U slot 7 are just overlapped, curved surface axis 4 just exposes from circular through hole 2-1.According to needed for experiment, circle
2-1 pages of shape through-hole can be the through-hole of other shapes.
Further, the U-type groove and the quantity of inverted U slot are one.
Further, the upper end of the curved surface axis 4 is oval spherical, the cylinder 1, mounting platform 2, multiple curved surface axis 4,
The material of multiple fasteners 5, sealing cover and groove body 8 is polycarbonate.Polycarbonate tool is high-intensitive and coefficient of elasticity, HI high impact are strong
Degree, use temperature range are wide;Intensity height, fatigue durability, dimensionally stable, creep are also small;Excellent insulating property.The curved surface axis 4
Upper end be it is oval spherical, curved surface axis 4 is also possible to any cylinder that one end is required curve form and is ok, for pair
Sample carries out deformation.
The use process of the utility model:
Curved surface axle thread is connected on cylinder first, and is reinforced with nut, then mounting platform and external cylinder are led to
It crosses screw thread to be screwed together, at this point, the highest face of curved surface axis is lower than the highest point of circular through hole, i.e. curved surface axle position is in mounting platform
Upper surface lower section.Then implantation material is covered into circular through hole and material is pressed in first annular slot by ring body
Face, fastener are fastened or are threaded in the second annular groove, screw fastener, prevent falling off for material in subsequent experimental.Vacant one
A curved surface axis is not loaded with sample, then rotates mounting platform, makes mounting platform that repair materials be driven to decline, and the position of curved surface axis
It is to rise relative to mounting platform, until curved surface axis is just contacted with material, deformation occurs for material at this time.Continue rotation extremely
It after the curved surface of blank axis all exposes, stops rotating, the mobile identical distance of the curved surface axis of load sample, reaches material at this time
The deformation quantity needed, then we pour into configured degradation solution in groove body, and sealing cover is screwed, to prevent degradation solution from letting out
Dew.Finally we move into the device being sealed in 37 degree of insulating boxs, make material under conditions of close to human body temperature, and have
There is certain deformation quantity, carries out degradation experiment, preferably simulate the degradation rate of the material under body biomechanics environment.
Parallel laboratory test in degradation experiment: because curved surface axis is movable dismountable, and one end of its deformation is basis
The area of material is determined, therefore in parallel laboratory test, according to the area of selected material, selects suitable curved surface axis, is carried out
Experiment, operating procedure are same as above basic operation method.
Control experiment in degradation experiment: because the quantity of sample is uncertain in an experiment, more or less, we are set at this time
Meter can show advantage with movable curved surface axis, if negligible amounts, select the curved surface axis needed, in one apparatus
It can complete static degradation experiment;If laboratory sample is more, the same curved surface axis can be used on a loading device, so
After carry out control experiment.
Special degradation simulated experiment: because cylinder is connected through a screw thread with mounting platform, and screw pitch is it is believed that
Therefore in certain special degradation experiments, curved surface axis can be made to keep certain length after rotating mounting platform, allows material
Degradation experiment is carried out under certain static force, and relevant mechanics parameter can obtain a result according to finite element modelling.
The beneficial effects of the utility model are:
(1) the isometric deformation apparatus is domestic initiation, and its constituent element is simple, is easily assembled to.
(2) the isometric deformation apparatus designs for multiaxis, and primary experiment can carry out multiple sample treatments.
(3) the curved surface axis of the isometric deformation apparatus can be selected according to the area of implantation material sample, so that selection is suitable
Degradation experiment method.Different curved surface axis can be replaced in one device, compares experiment, can also be adopted in one apparatus
Parallel laboratory test is carried out with the same curved surface axis;Can also Multi-example control experiment be carried out with multiple devices simultaneously.
(4) material of the isometric deformation apparatus selects novel, avoids conventional metal material in degradation process by enzyme solution
Corrosion after release Cucumber experimental result is had an impact.
(5) sealing cover of the isometric deformation apparatus has sealing function, can prevent pollution of the external environment to material,
It can prevent degradation solution from revealing.
(6) the isometric deformation apparatus, which is solved, can not provide constant isometric shape during being implanted into degradation experiment outside material bodies
The problem of change, the single deformation or bidirectional deformation for keeping material suffered during degradation are converted to isometric deformation, preferably
It has been fitted influence of the human internal environment to material, has improved the precision of experiment.
(7) it in addition, the isometric deformation apparatus, which can according to need, is designed to the different number of axle (1-13 axis differs), greatly improves
Conventional efficient.
Undeclared part involved in the utility model is same as the prior art or is implemented using the prior art.
Disclosed above is only several specific embodiments of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (8)
1. a kind of for being implanted into the isometric deformation apparatus of degradation experiment outside material bodies characterized by comprising the cylinder of upper end opening
Body (1), mounting platform (2), multiple ring bodies (3) and multiple curved surface axis (4), the mounting platform (2) are threaded in the cylinder
On body (1), the upper surface of the mounting platform (2) is equipped with multiple circular through holes (2-1), vertical in the circular through hole (2-1)
It is placed with the curved surface axis (4), the bottom end of the curved surface axis (4) is arranged on the bottom surface in the cylinder (1), and the installation is flat
The upper surface periphery of platform (2) has the groove body (8) upwardly extended.
2. as described in claim 1 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that each
The periphery of the circular through hole (2-1) is equipped with first annular slot (2-2) and the second annular groove (2-3), first annular slot (2-2)
The upper surface of the mounting platform (2) is arranged at the second annular groove (2-3), the second annular groove (2-3) is located at first annular
The periphery of slot (2-2), the first annular slot (2-2) are equipped with ring body (3), and second annular groove (2-3) is equipped with fastener
(5)。
3. as described in claim 1 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
Groove body (8) is equipped with sealing cover.
4. as claimed in claim 3 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
Sealing cover is threaded on the groove body (8).
5. as described in claim 1 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
The outer surface of cylinder (1) is equipped with several U-type grooves (6), and the outer surface of the mounting platform (2) is equipped with several inverted U slots
(7)。
6. as claimed in claim 5 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
U-type groove (6) and the quantity of inverted U slot (7) are one.
7. as claimed in claim 3 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
The upper end of curved surface axis (4) be it is oval spherical, the cylinder (1), mounting platform (2), multiple curved surface axis (4), multiple fasteners (5),
The material of sealing cover and groove body (8) is polycarbonate.
8. as described in claim 1 for being implanted into the isometric deformation apparatus of the outer degradation experiment of material bodies, which is characterized in that described
The bottom end of curved surface axis (4) is threaded on the bottom surface in the cylinder (1).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111537342A (en) * | 2020-05-07 | 2020-08-14 | 东南大学 | External degradation loading experimental apparatus of degradable metal |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111537342A (en) * | 2020-05-07 | 2020-08-14 | 东南大学 | External degradation loading experimental apparatus of degradable metal |
CN111537342B (en) * | 2020-05-07 | 2022-03-25 | 东南大学 | External degradation loading experimental apparatus of degradable metal |
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