Dental implant fatigue test loading device

Abstract

The present invention discloses a loading device for fatigue testing of dental implants, wherein the loading device for fatigue testing of dental implants comprises a connecting piece, a limiting device and a loading assembly. A groove and a through hole are arranged in the limiting device, the through hole is connected to the groove, the connecting piece is installed on the limiting device, and the connecting piece is arranged on a side where the groove is provided in the limiting device; the loading assembly comprises a positioning platform and a loading rod, the positioning platform is arranged in the groove, the loading rod passes through the through hole, and the loading assembly and the fiber device can slide relative to each other. Through the loading device for fatigue testing of dental implants of the present invention, the connecting piece can have a certain degree of freedom in the horizontal direction, thereby ensuring that the load acts more accurately on the center point of the loading cap, thereby improving the accuracy of detection.

Description

Technical Field

[0001] The invention relates to dental implant detection equipment, in particular to a dental implant fatigue test loading device. Background Art

[0002] After restoration, dental implants feel the same as natural teeth, have a bite function close to that of natural teeth, are beneficial for maintaining the jawbone morphology in the edentulous area, and do not damage adjacent teeth. Therefore, dental implants have become the "third set of teeth" for people with edentulous teeth. Currently, the success rate of dental implant restoration is as high as over 90%, but cases of implant failure due to fatigue damage to the dental implant system also occur from time to time. Therefore, it is necessary to conduct dynamic fatigue tests on dental implants in strict accordance with national standards to detect the maximum stress that dental implants can withstand.

[0003] The loading cap of the dental implant is set as a curved surface, and the loading device transfers the dynamic load to the dental implant by point contact with the loading cap. The loading cap of the dental implant will shift in position after being compressed. The currently commonly used loading devices cannot move with the movement of the loading cap, resulting in the load being unable to accurately act on the center point of the loading cap during the test, causing errors in the test results. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a dental implant fatigue test loading device, which can accurately apply the load to the center point of the loading cap to improve the accuracy of the detection.

[0005] A dental implant fatigue test loading device according to an embodiment of the present invention includes: a connecting member;

[0006] A limiting device, wherein a groove and a through hole are provided in the limiting device, wherein the through hole is connected to the groove, and the connecting member is installed on the limiting device, and the connecting member is provided on a side of the limiting device where the groove is provided;

[0007] A loading assembly, the loading assembly includes a positioning platform and a loading rod, the positioning platform is arranged in the groove, the loading rod passes through the through hole, and the loading assembly and the limiting device can slide relative to each other.

[0008] According to the loading device for fatigue testing of dental implants of the embodiment of the present invention, at least the following beneficial effects are achieved: the present invention adopts a loading device for fatigue testing of dental implants. Compared with the loading device in the prior art, the limiting device of the present invention is provided with a groove and a through hole connecting the groove, the connecting piece is installed on the limiting device and is located on the side where the groove is provided in the limiting device, the positioning platform of the loading assembly is arranged in the groove, the loading rod passes through the through hole, the loading assembly and the limiting device can slide relative to each other, so that the loading assembly can slide in the horizontal direction, so that the loading assembly has a certain degree of freedom in the horizontal direction. At the same time, because the connecting piece is installed on the side where the groove is provided in the limiting device, the movement of the loading assembly is limited in the vertical direction, so that the load is transferred to the loading assembly, and the loading cap of the dental implant is applied with the loading assembly. By using the loading device for fatigue testing of dental implants, during the detection process, the loading assembly can move in the horizontal direction as the loading cap is pressed, so as to ensure that during the test process, the load can act more accurately on the center point of the loading cap, reduce the error generated by the test, and improve the accuracy of the test.

[0009] According to some embodiments of the present invention, the connecting member includes a threaded rod and a retaining platform, and the threaded rod is installed on the retaining platform.

[0010] According to some embodiments of the present invention, the retaining platform is provided with a plurality of first threaded holes, and the limiting device is provided with a plurality of second threaded holes, and the second threaded holes correspond to the first threaded holes one by one.

[0011] According to some embodiments of the present invention, the connecting member further comprises a boss, wherein the boss is arranged on a side of the retaining platform away from the threaded rod, the boss extends into the groove and contacts the loading assembly, and the boss and the loading assembly can slide relative to each other.

[0012] According to some embodiments of the present invention, the connecting member further includes a hexagonal anti-rotation block, and the hexagonal anti-rotation block is arranged on a side of the threaded rod close to the retaining platform.

[0013] According to some embodiments of the present invention, four first threaded holes are provided, and the first threaded holes are distributed in a cross shape.

[0014] According to some embodiments of the present invention, the groove and the through hole cooperate to form a stepped hole, the outer diameter of the positioning platform is smaller than the diameter of the groove and larger than the diameter of the through hole, and the diameter of the loading rod is smaller than the diameter of the through hole.

[0015] According to some embodiments of the present invention, the loading component is configured to be T-shaped.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of a dental implant fatigue test loading device according to an embodiment of the present invention;

[0019] Figure 2 for Figure 1 A cross-sectional view of the dental implant fatigue test loading device at AA is shown;

[0020] Figure 3 is a schematic structural diagram of a connecting piece according to an embodiment of the present invention;

[0021] Figure 4 It is a structural schematic diagram of a limiting device according to an embodiment of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the loading component of an embodiment of the present invention.

[0023] Reference numerals:

[0024] Dental implant fatigue test loading device 100,

[0025] Connecting member 110, threaded rod 111, retaining platform 112, hexagonal anti-rotation block 113, boss 114, first threaded hole 115,

[0026] The limiting device 120, the groove 121, the through hole 122, the second threaded hole 123,

[0027] Loading assembly 130 , positioning platform 131 , loading rod 132 . DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] Reference below Figures 1 to 5 A dental implant fatigue test loading device 100 according to the present invention is described.

[0033] like Figure 1 and Figure 2 As shown, the dental implant fatigue test loading device 100 according to the present invention includes: a connecting member 110 , a limiting device 120 and a loading assembly 130 .

[0034] A groove 121 and a through hole 122 are provided in the limiting device 120, and the through hole 122 is connected to the groove 121. The connecting member 110 is installed on the limiting device 120, and the connecting member 110 is provided on the side of the limiting device 120 where the groove 121 is provided; the loading assembly 130 includes a positioning platform 131 and a loading rod 132, the positioning platform 131 is provided in the groove 121, and the loading rod 132 passes through the through hole 122, and the loading assembly 130 and the limiting device 120 can slide relative to each other. Specifically, by opening a groove 121 and a through hole 122 connecting the groove 121 on the limiting device 120, and the diameter of the groove 121 is larger than the diameter of the through hole 122, when the loading assembly 130 extends into the limiting device 120 from the side where the groove 121 is opened, the loading rod 132 extends from the through hole 122, and the positioning platform 131 is arranged in the groove 121, and the loading assembly 130 and the limiting device 120 cooperate with each other; there is also a gap between the loading assembly 130 and the limiting device 120, so that during the test, the loading assembly 130 can slide relative to the limiting device 120. The connector 110 is arranged on one side of the groove 121 of the limiting device 120, and the opening of the groove 121 is sealed, so that the positioning platform 131 is limited in the groove 121, and the positioning platform 131 is in contact with the connector 110 and can slide relatively. When the load acts on the loading cap of the dental implant through the loading assembly 130, the loading assembly 130 can move in the horizontal direction with the movement of the loaded loading cap, thereby improving the accuracy of fatigue test detection. The connector 110 can also be used to connect with a fatigue testing machine.

[0035] In some embodiments of the present invention, the connecting member 110 includes a threaded rod 111 and a fixing platform 112, and the threaded rod 111 is installed on the fixing platform 112. Figure 3 As shown, the threaded rod 111 is installed on the retention platform 112. Specifically, the dental implant fatigue test loading device 100 is threadedly connected to the fatigue testing machine through the threaded rod 111 on the connecting member 110, and the load of the fatigue testing machine is transmitted to the loading assembly 130, and the load is applied to the loading cap of the dental implant through the loading assembly 130, so as to perform fatigue testing on the dental implant.

[0036] In some embodiments of the present invention, the fixing platform 112 is provided with a plurality of first threaded holes 115, and the limiting device 120 is provided with a plurality of second threaded holes 123, and the second threaded holes 123 correspond to the first threaded holes 115 one by one. Figures 2 to 4As shown, four first threaded holes 115 are provided on the fixing platform 112, and four second threaded holes 123 are provided on the limiting device 120, and the second threaded holes 123 correspond to the first threaded holes 115 one by one. Specifically, four first threaded holes 115 are provided on the end surface of the fixing platform 112 in contact with the limiting device 120, and four second threaded holes 123 are provided on the end surface of the limiting device 120 in contact with the fixing platform 112. The four first threaded holes 115 and the four second threaded holes 123 are all distributed in a cross shape, and the positions of the first threaded holes 115 and the second threaded holes 123 correspond to each other one by one. By screwing screws into the first threaded holes 115 and the second threaded holes 123, the connecting member 110 and the limiting device 120 are connected together.

[0037] In some embodiments of the present invention, the connecting member 110 further includes a boss 114, which is disposed on a side of the retaining platform 112 away from the threaded rod 111, and the boss 114 extends into the groove 121 and contacts the loading assembly 130, and the boss 114 and the loading assembly 130 can slide relative to each other. Figure 2 As shown, the boss 114 is arranged on the side of the retaining platform 112 away from the threaded rod 111, and the boss 114 extends into the groove 121 and contacts the loading assembly 130. Specifically, the boss 114 extends into the groove 121, and the boss 114 seals the opening of the groove 121, so that a cavity is formed in the limiting device 120, and the positioning platform 131 is confined in the cavity; since the boss 114 contacts the loading assembly 130, the movement of the loading assembly 130 in the vertical direction can be limited, and the boss 114 and the loading assembly 130 can also slide relative to each other, and a gap is left between the loading assembly 130 and the limiting device 120, so that the loading assembly 130 can slide in the horizontal direction.

[0038] In some embodiments of the present invention, the connecting member 110 further includes a hexagonal anti-rotation block 113, which is disposed on one side of the threaded rod 111 close to the retaining platform 112. Figures 1 to 3 As shown, the hexagonal anti-rotation block 113 is disposed on one side of the threaded rod 111 close to the retaining platform 112. Specifically, the hexagonal anti-rotation block 113 cooperates with the threaded rod 111 to play the role of a bolt, and the threaded rod 111 is threadedly connected to the fatigue testing machine. The threaded rod 111 is locked to the fatigue testing machine through the hexagonal anti-rotation block 113, so that the connection between the dental implant fatigue testing loading device 100 and the fatigue testing machine is more stable.

[0039] In some embodiments of the present invention, four first threaded holes 115 are provided, and the first threaded holes 115 are distributed in a cross shape. Specifically, four first threaded holes 115 are provided, and the first threaded holes 115 are distributed in a cross shape, and the second threaded holes 123 correspond to the first threaded holes 115 one by one, that is, the second threaded holes 123 are also provided with four second threaded holes 123, and the limiting device 120 is threadedly connected to the connecting member 110 by screwing the bolts into the first threaded holes 115 and the second threaded holes 123, and the first threaded holes 115 and the second threaded holes 123 distributed in a cross shape make the connection between the limiting device 120 and the connecting member 110 more stable.

[0040] In some embodiments of the present invention, the groove 121 and the through hole 122 cooperate to form a stepped hole, the outer diameter of the positioning platform 131 is smaller than the diameter of the groove 121 and larger than the diameter of the through hole 122, and the diameter of the loading rod 132 is smaller than the diameter of the through hole 122. Figure 4 As shown, the groove 121 and the through hole 122 cooperate to form a stepped hole. Specifically, the cross-sections of the groove 121 and the through hole 122 are both set to be circular, the outer diameter of the positioning platform 131 is smaller than the diameter of the groove 121, and larger than the diameter of the through hole 122. After the groove 121 and the through hole 122 cooperate to form the stepped hole, the positioning platform 131 is set in the groove 121; the diameter of the loading rod 132 is smaller than the diameter of the through hole 122, so that when the positioning platform 131 and the limiting device 120 slide relative to each other, the loading rod 132 also has a gap that can be moved in the horizontal direction. It can be understood that the cross-sections of the groove 121 and the through hole 122 can also be set to a square or elliptical shape. The circular through hole 122 is used here to make it easier for the loading component 130 to slide in the horizontal direction in the through hole 122. The use of the circular through hole 122 in this embodiment is not a specific limitation of the present invention.

[0041] In some embodiments of the present invention, the loading assembly 130 is configured in a T-shape. Figure 2 and Figure 5As shown, the loading assembly 130 is set in a T-shape. Specifically, the positioning platform 131 and the loading rod 132 are both set in a cylindrical shape, so that the loading assembly 130 can slide in the horizontal direction in the limiting device 120. The loading assembly 130 is set in a T-shape, which can cooperate with the step hole, and the movement of the loading assembly 130 in the horizontal direction is limited by the boss 114 of the connecting member 110; since the diameter of the positioning platform 131 is smaller than the diameter of the groove 121, and larger than the diameter of the through hole 122, the positioning platform 131 can be set in the cavity formed by the connection member 110 and the limiting device 120, and the positioning platform 131 can move in the horizontal direction; the diameter of the loading rod 132 is smaller than the diameter of the through hole 122, so that when the positioning platform 131 slides left and right in the cavity, the loading rod 132 can also move left and right in the through hole 122, so that the purpose of the loading assembly 130 having a certain degree of freedom in the horizontal direction during testing is achieved.

[0042] Reference below Figures 1 to 5 The dental implant fatigue test loading device 100 according to the embodiment of the present invention is described in detail with a specific embodiment. It is worth noting that the following description is only an exemplary description and is not a specific limitation of the present invention.

[0043] like Figures 1 to 5 As shown, the limiting device 120 is provided with a groove 121 and a through hole 122, the groove 121 is connected with the through hole 122, the diameter of the groove 121 is larger than the diameter of the through hole 122, and the groove 121 cooperates with the through hole 122 to form a stepped hole; the connecting member 110 is provided in an inverted T-shape, including a threaded rod 111 and a retaining platform 112, the threaded rod 111 is installed on the retaining platform 112, and a boss 114 is provided on the side of the retaining platform 112 away from the threaded rod 111, and the boss 114 extends into the groove 121, so that a cavity is formed in the limiting device 120; the loading assembly 130 is set in a T-shape, which matches the step hole; the loading assembly 130 includes a positioning platform 131 and a loading rod 132, the loading rod 132 extends from the groove 121 into the limiting device 120 and extends from the through hole 122, and the positioning platform 131 is set in the groove 121, that is, the positioning platform 131 is set in the cavity formed by the limiting device 120 and the connecting member 110. The boss 114 contacts the positioning platform 131 to limit the movement of the positioning platform 131 in the vertical direction. The positioning seat and the boss 114 can slide relative to each other, and the positioning seat and the limiting device 120 can also slide relative to each other.

[0044] Specifically, the groove 121 and the through hole 122 are both set as circular through holes 122, the positioning platform 131 and the loading rod 132 are set as cylindrical, the diameter of the positioning platform 131 is smaller than the diameter of the groove 121, and the diameter of the positioning platform 131 is larger than the diameter of the through hole 122, the diameter of the loading rod 132 is smaller than the diameter of the through hole 122, and the contact between the positioning platform 131 and the boss 114 can slide relatively, and the contact between the positioning platform 131 and the limiting device 120 can also slide relatively, so that the loading assembly 130 has a certain degree of freedom in the horizontal direction and can slide in the horizontal direction. Four first threaded holes 115 are set on the retaining platform 112, and four second threaded holes 123 are set on the side of the limiting device 120 away from the through hole 122. The positions of the first threaded holes 115 and the second threaded holes 123 correspond to each other, and the connector 110 and the limiting device 120 are fixedly connected by screwing in screws. A hexagonal anti-rotation block 113 is also provided on one side of the threaded rod 111 close to the retention platform 112. The hexagonal anti-rotation block 113 cooperates with the threaded rod 111 to act as a bolt, that is, the threaded rod 111 is threadedly connected to the dynamic fatigue testing machine, and the hexagonal anti-rotation block 113 locks the threaded rod 111 on the dynamic fatigue testing machine, thereby locking the dental implant fatigue testing loading device 100 on the dynamic fatigue testing machine.

[0045] According to the dental implant fatigue test loading device 100 of the present invention, by such an arrangement, at least some of the following effects can be achieved: after the loading rod 132 extends from the groove 121 and out of the through hole 122, the positioning platform 131 is arranged in the groove 121, and the loading component 130 cooperates with the limiting device 120; by arranging a first threaded hole 115 on the retaining platform 112, and a second threaded hole 123 on the limiting device 120, the positions of the first threaded hole 115 and the second threaded hole 123 correspond to each other, and the limiting device 120 and the connecting member 110 are fixedly connected by screwing in the screws, and at the same time, the boss 114 in the connecting member 110 extends into the groove 121 and contacts with the positioning platform 131, and the boss 114 can also limit the movement of the loading device in the vertical direction. The diameter of the positioning platform 131 is set to be smaller than the diameter of the groove 121 and larger than the diameter of the through hole 122, and the diameter of the loading rod 132 is set to be smaller than the diameter of the through hole 122, so that the loading assembly 130 has a certain degree of freedom in the horizontal direction and can move in the horizontal direction, thereby ensuring that during the test, the load can act more accurately on the center point of the loading cap, reducing the error caused by the test and improving the accuracy of the detection.

[0046] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A dental implant fatigue test loading device, characterized in that: include: Connectors; A limiting device, wherein a groove and a through hole are provided in the limiting device, wherein the through hole is connected to the groove, and the connecting member is installed on the limiting device, and the connecting member is provided on a side of the limiting device where the groove is provided; A loading assembly, the loading assembly comprising a positioning platform and a loading rod, the positioning platform is arranged in the groove, the outer diameter of the positioning platform is smaller than the diameter of the groove, the loading rod passes through the through hole, and the loading assembly and the limiting device can slide relative to each other; The connecting member includes a threaded rod and a fixing platform, and the threaded rod is installed on the fixing platform; the connecting member also includes a boss, and the boss is arranged on a side of the fixing platform away from the threaded rod. The boss extends into the groove and contacts the loading assembly, and the boss and the loading assembly can slide relative to each other.

2. The dental implant fatigue test loading device according to claim 1, characterized in that: The fixing platform is provided with a plurality of first threaded holes, and the limiting device is provided with a plurality of second threaded holes, and the second threaded holes correspond to the first threaded holes one by one.

3. The dental implant fatigue test loading device according to claim 1, characterized in that: The connecting member also includes a hexagonal anti-rotation block, and the hexagonal anti-rotation block is arranged on a side of the threaded rod close to the fixing platform.

4. The dental implant fatigue test loading device according to claim 2, characterized in that: There are four first threaded holes, and the first threaded holes are distributed in a cross shape.

5. The dental implant fatigue test loading device according to claim 1, characterized in that: The groove and the through hole cooperate to form a stepped hole, the outer diameter of the positioning platform is larger than the diameter of the through hole, and the diameter of the loading rod is smaller than the diameter of the through hole.

6. The dental implant fatigue test loading device according to claim 5, characterized in that: The loading component is arranged in a T shape.

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