A kind of testing device and method for bioactive bone repair material

Abstract

The present invention relates to the field of active bone testing, and specifically to a testing device and method for bioactive bone repair materials, comprising a punching mechanism, which is used for testing the strength of active bone materials, and the bottom of the punching mechanism is fixedly connected to a testing bin; a deflection mechanism, which is used for circumferential deflection of the active bone; an adjustment mechanism, which is used for adjusting the positions of different types of active bones; the deflection mechanism is fixedly connected to the outside of the testing bin, and the bottom of the testing bin is fixedly connected to a support plate. The testing device and method for bioactive bone repair materials, through a compensation plate, will carry an interlaced pressing material through the bottom of an external ring and move downward, and finally the bottom of the interlaced pressing material will squeeze the horizontally placed active bone material, thereby playing a role in testing the bending resistance of the active bone material with a shorter length.

Description

Technical Field

[0001] The present invention relates to the technical field of active bone testing, in particular to a testing device and method for bioactive bone repair materials. Background Art

[0002] Materials for treating bone defects generally include autologous bone, allogeneic bone, artificial synthetic bone and active biological bone. Among them, autologous bone has the best therapeutic effect but its source is limited. Allogeneic bone and artificial synthetic bone have no osteoinductive function, and allogeneic bone may be subject to immune rejection. Active biological bone has good osteoinductive ability and its clinical efficacy is not inferior to that of autologous bone. Although its cost is higher, its overall economic benefit is higher, and it is a bone repair material with great application potential.

[0003] There are several problems with the existing testing of active bone repair materials: 1. The strength, bending degree and hardness tests of active bone repair materials are all separate and require batch testing with different equipment; 2. Active bone repair materials of different lengths are difficult to accurately test during the three testing processes due to length limitations. Summary of the invention

[0004] The present invention provides a testing device and method for bioactive bone repair materials to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: a test device for bioactive bone repair materials, comprising a punching mechanism, the punching mechanism is used for strength testing of active bone materials, and a test chamber is fixedly connected to the bottom of the punching mechanism;

[0006] A deflection mechanism, the deflection mechanism is used to perform circumferential deflection processing on the active bone;

[0007] An adjusting mechanism, which is used to adjust the positions of different types of active bones;

[0008] The deflection mechanism is fixedly connected to the outside of the inspection bin, a support plate is fixedly connected to the bottom of the inspection bin, and the center of the bottom of the inspection bin is fixedly connected to the adjustment mechanism;

[0009] The stamping mechanism includes an external ring, which is fixedly connected to the top of the inspection bin, the top of the external ring is fixedly connected to an electric telescopic rod, the top of the electric telescopic rod is fixedly connected to an external connecting plate, the inner side of the external connecting plate is fixedly connected to a bottom hole ring, the top of the bottom hole ring is fixedly connected to a No. 1 hydraulic rod, and the top of the No. 1 hydraulic rod is fixedly connected to a stamping head.

[0010] Preferably, the inner side of the external ring is fixedly connected to a central tube, the inner side of the central tube is fixedly connected to an internal frame, the outer side of the internal frame is plugged with a limiting plate, the outer side of the limiting plate is fixedly connected to a return spring, and one end of the return spring away from the limiting plate is fixedly connected to the inner side of the central tube.

[0011] Preferably, an interlaced press material is provided at the bottom of the built-in frame, the interlaced press material is interlaced in the bottom of the central tube and extends to the outside, a compensation plate is fixedly connected to the outside of the interlaced press material, a No. 2 hydraulic rod is fixedly connected to the bottom of the inner cavity of the central tube.

[0012] Preferably, a curved plate is inserted into the bottom of the bottom hole ring, the bottom of the curved plate is extruded and adapted to the limiting plate, a No. 1 magnet is fixedly connected to the top of the curved plate, a No. 2 magnet is arranged above the No. 1 magnet, and the No. 2 magnet is fixedly connected to the top of the inner cavity of the bottom hole ring.

[0013] Preferably, the deflection mechanism includes a perforation and a built-in groove, and the perforation and the built-in groove are both opened inside the calibration bin, an inclined panel is inserted into the outer side of the calibration bin, a movable plate is fixedly connected to the outer end face of the inclined panel, a spring is fixedly connected to the inner side of the movable plate, one end of the spring away from the movable plate is fixedly connected to the outer side of the calibration bin, and a deflection assembly is arranged on the outer side of the calibration bin.

[0014] Preferably, the deflection assembly includes a No. 1 embedding rod, which is inserted into the interior of the calibration bin, and the inner end of the No. 1 embedding rod is fixedly connected to a small motor, and the output end of the small motor is connected to a limiting pressure plate through a coupling, and the outer side of the pressure limiting plate is connected to a support shaft sleeve through a bearing, and the support shaft sleeve is slidably adapted inside the calibration bin.

[0015] Preferably, the end of the No. 1 embedding rod away from the small motor is fixedly connected to a No. 1 force block, the outer side of the No. 1 force block is extruded and adapted with a force ring, the outer side of the force ring is provided with an air ring tube, the interior of the air ring tube is provided with a Z-groove, the interior of the Z-groove is slidably connected with the air ring tube, the end of the Z-groove away from the air ring tube is slidably adapted with a transmission ring, the outer end of the transmission ring is fixedly connected with a No. 2 force block, the end of the No. 2 force block away from the transmission ring is extruded and adapted with a No. 2 embedding rod, the No. 2 embedding rod is inserted into the interior of the calibration bin, the inner ends of the force ring and the transmission ring are fixedly connected with a reset bar, the end of the reset bar away from the transmission ring is fixedly connected with a fixed frame, and the fixed frame is fixedly connected in the Z-groove.

[0016] Preferably, the adjustment mechanism includes a placing tube, which is arranged in a built-in groove, and the bottom of the placing tube is fixedly connected to a hollow tube, and the hollow tube is inserted into the bottom of the calibration bin, and a threaded rod is arranged inside the hollow tube, and the bottom of the threaded rod is rotatably connected to a rod sleeve, and the top of the threaded rod is fixedly connected to a No. 1 magnetic block, and a No. 2 magnetic block is arranged above the No. 1 magnetic block, and the No. 2 magnetic block is fixedly connected to the top of the inner cavity of the hollow tube.

[0017] Preferably, top curved plates are symmetrically provided at both ends of the placing cylinder, the top curved plates are inserted into the bottom of the calibration bin, the bottom of the top curved plates is fixedly connected to a bottom rod, the bottom of the bottom rod is fixedly connected to a bottom plate, the outer side of the bottom plate is fixedly connected to a No. 3 hydraulic rod, the No. 3 hydraulic rod is fixedly connected to the bottom of the calibration bin, and the outer side of the output end of the No. 3 hydraulic rod is fixedly connected to a rod plate.

[0018] A method for testing a bioactive bone repair material comprises the following steps:

[0019] Step 1: Bending test: by starting the No. 2 hydraulic rod, the compensation plate connected to it will carry the interlaced pressure material through the bottom of the external ring and move downward, and finally the bottom of the interlaced pressure material will squeeze the horizontally placed active bone material;

[0020] Step 2: Hardness test: by starting the small motor, the pressure limiting plate will rotate with the active bone material. If the active bone material is deflected periodically, the second hydraulic rod can also move downward periodically to perform hardness test on each surface of the active bone material in the circumferential direction.

[0021] Step 3: Strength test: the limiting plate is squeezed and the reset spring is stretched so that its inner side can limit and fix the vertically placed active bone material. Finally, the No. 1 hydraulic rod is started so that the punch head connected to its top will move downward and squeeze the top of the active bone material.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The compensating plate will carry the inserted pressing material through the bottom of the external ring and move downward. Finally, the bottom of the inserted pressing material will squeeze the horizontally placed active bone material, thereby testing the bending resistance of the shorter active bone material.

[0024] 2. If the active bone material undergoes periodic deflection, the No. 2 hydraulic rod can also move downward periodically, thereby achieving the effect of hardness testing on each circumferential surface of the active bone material. If the active bone material rotates, accompanied by a slight squeezing of its surface by the No. 2 hydraulic rod, the surface of the active bone material can be tested for wear resistance.

[0025] 3. By starting the No. 1 hydraulic rod, the punch head connected to its top will move downward and squeeze the top of the active bone material, thereby achieving strength verification of the active bone material in the radial direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The figure is a schematic diagram of the external structure of a testing device for bioactive bone repair materials according to the present invention.

[0027] Figure 2 It is a schematic cross-sectional structural diagram of the present invention as a whole.

[0028] Figure 3 It is a schematic diagram of the front cross-section structure of the punching mechanism of the present invention.

[0029] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0030] Figure 5 It is a schematic diagram of the side section structure of the punching mechanism of the present invention.

[0031] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure at point B in the middle.

[0032] Figure 7 It is a schematic cross-sectional structural diagram of the deflection mechanism of the present invention.

[0033] Figure 8 It is a schematic side view of the deflection mechanism of the present invention.

[0034] Fig. 9 It is a schematic cross-sectional structural diagram of the deflection assembly of the present invention.

[0035] Fig.10 It is a schematic structural diagram of the deflection assembly of the present invention.

[0036] Fig.11 It is a schematic cross-sectional structural diagram of some components of the deflection assembly of the present invention.

[0037] Fig.12 For the present invention Fig.11 Schematic diagram of the enlarged structure at point C in the middle.

[0038] Fig.13 It is a schematic cross-sectional structural diagram of the adjustment mechanism of the present invention.

[0039] Fig.14 For the present invention Fig.13 Schematic diagram of the enlarged structure at D in the middle.

[0040] Fig.15The present invention is a flow chart of a method for testing bioactive bone repair materials.

[0041] In the figure: 1, calibration chamber; 2, bracket plate; 3, punching mechanism; 4, deflection mechanism; 5, adjustment mechanism; 31, external ring; 32, electric telescopic rod; 33, external connecting plate; 34, bottom hole ring; 35, No. 1 hydraulic rod; 36, punch head; 37, center tube; 38, built-in frame; 39, limit plate; 30, return spring; 301, interlaced pressing material; 302, compensation plate; 303, No. 2 hydraulic rod; 304, curved plate; 305, No. 1 magnet; 306, No. 2 magnet; 41, perforation; 42, built-in groove; 43, inclined plate; 44, movable plate; 45, spring; 4 6. Deflection assembly; 461. No. 1 embedded rod; 462. Small motor; 463. Support shaft sleeve; 464. Pressure limiting plate; 465. No. 1 force block; 466. Force ring; 467. Air ring tube; 468. Z-shaped groove; 469. Transmission ring; 460. No. 2 force block; 4601. No. 2 embedded rod; 4602. Fixed frame; 4603. Reset strip; 51. Placement tube; 52. Hollow tube; 53. Threaded rod; 54. No. 1 magnetic block; 55. No. 2 magnetic block; 56. Rod sleeve; 57. Top curved plate; 58. Bottom rod; 59. Bottom plate; 50. No. 3 hydraulic rod; 501. Rod plate. DETAILED DESCRIPTION

[0042] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0043] See also Figures 1 to 15 The present invention provides a technical solution: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, it includes a punching mechanism 3, which is used for strength detection and processing of active bone materials, and a test chamber 1 is fixedly connected to the bottom of the punching mechanism 3;

[0044] A deflection mechanism 4, the deflection mechanism 4 is used to perform circumferential deflection processing on the active bone;

[0045] An adjusting mechanism 5, which is used to adjust the positions of different types of active bones;

[0046] The deflection mechanism 4 is fixedly connected to the outside of the inspection bin 1 , the bottom of the inspection bin 1 is fixedly connected to the support plate 2 , and the center of the bottom of the inspection bin 1 is fixedly connected to the adjustment mechanism 5 .

[0047] The punching mechanism 3 includes an external ring 31, which is fixedly connected to the top of the inspection chamber 1, and an electric telescopic rod 32 is fixedly connected to the top of the external ring 31, and an external connecting plate 33 is fixedly connected to the top of the electric telescopic rod 32, and a bottom hole ring 34 is fixedly connected to the inner side of the external connecting plate 33, and a No. 1 hydraulic rod 35 is fixedly connected to the top of the bottom hole ring 34, and a punching head 36 is fixedly connected to the top of the No. 1 hydraulic rod 35, and a central tube 37 is fixedly connected to the inner side of the external ring 31, and a built-in The outer side of the inner frame 38 is plugged with a limiting plate 39, and the outer side of the limiting plate 39 is fixedly connected with a return spring 30, and the end of the return spring 30 away from the limiting plate 39 is fixedly connected to the inner side of the central tube 37, and the bottom of the inner frame 38 is provided with an interlaced pressing material 301, and the interlaced pressing material 301 is inserted into the bottom of the central tube 37 and extends to the outside, and the outer side of the interlaced pressing material 301 is fixedly connected with a compensation plate 302, and the bottom of the compensation plate 302 is fixedly connected with a No. 2 hydraulic rod 303, and the No. 2 hydraulic rod 303 is fixed. The bottom of the inner cavity of the central tube 37 is connected, and a curved plate 304 is inserted at the bottom of the bottom hole ring 34. The bottom of the curved plate 304 is pressed and adapted with the limiting plate 39. The top of the curved plate 304 is fixedly connected with a No. 1 magnet 305. A No. 2 magnet 306 is arranged above the No. 1 magnet 305. The No. 2 magnet 306 is fixedly connected to the top of the inner cavity of the bottom hole ring 34. By vertically placing the active bone material into the built-in frame 38 and then starting the electric telescopic rod 32, the external connection fixedly connected to the top of the electric telescopic rod 32 is The plate 33 will move downward with the bottom hole ring 34, and then the curved plate 304 inserted in the bottom of the bottom hole ring 34 will move downward and squeeze the limiting plate 39. At this time, the limiting plate 39 will stretch the reset spring 30, and at the same time, its inner side will limit and fix the vertically placed active bone material. Finally, the No. 1 hydraulic rod 35 will be started, so that the punch head 36 connected to the top thereof will move downward and squeeze the top of the active bone material, thereby realizing the strength test of the active bone material in the radial direction.

[0048] like Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, the deflection mechanism 4 includes a through hole 41 and a built-in groove 42, both of which are arranged inside the test chamber 1, and an inclined panel 43 is inserted on the outside of the test chamber 1, and a movable plate 44 is fixedly connected to the outer end surface of the inclined panel 43, and a spring 45 is fixedly connected to the inner side of the movable plate 44, and one end of the spring 45 away from the movable plate 44 is fixedly connected to the outside of the test chamber 1, and a deflection assembly 46 is arranged on the outside of the test chamber 1. In addition, the active bone material with a longer length will first hit the inclined panel 43. The contact surface between the inclined plate 43 and the active bone material is an inclined surface, so the squeezed inclined plate 43 will compress the spring 45, and finally clamp and limit the active bone material that passes through the through hole 41 and remains stationary. Similarly, start the second hydraulic rod 303, so that the compensation plate 302 connected thereto will carry the inserted pressure material 301 through the bottom of the external ring 31 and move downward, and finally the bottom of the inserted pressure material 301 will perform a bending resistance test on the horizontally placed active bone material with a longer length.

[0049] The deflection assembly 46 includes a No. 1 embedded rod 461, which is inserted into the interior of the calibration chamber 1. The inner end of the No. 1 embedded rod 461 is fixedly connected to a small motor 462. The output end of the small motor 462 is connected to a limited pressure plate 464 through a coupling. The outer side of the limited pressure plate 464 is connected to a support sleeve 463 through a bearing. The support sleeve 463 is slidably adapted in the interior of the calibration chamber 1. The end of the No. 1 embedded rod 461 away from the small motor 462 is fixedly connected to a No. 1 force block 465. The outer side of the No. 1 force block 465 is extruded and adapted with a force ring 466. An air ring tube 467 is arranged on the outer side of the force ring tube 467. A Z-shaped groove 468 is provided inside the air ring tube 467. The inner side of the Z-shaped groove 468 is slidably connected to the air ring tube 467. The end of the gas ring tube 467 away from the gas ring tube 467 is slidably adapted with a transmission ring 469, the outer end of the transmission ring 469 is fixedly connected with a No. 2 force block 460, the end of the No. 2 force block 460 away from the transmission ring 469 is squeezed and adapted with a No. 2 embedded rod 4601, the No. 2 embedded rod 4601 is inserted into the interior of the inspection chamber 1, the inner ends of the force ring 466 and the transmission ring 469 are fixedly connected with a reset bar 4603, the end of the reset bar 4603 away from the transmission ring 469 is fixedly connected with a fixed frame 4602, the fixed frame 4602 is fixedly connected in the Z-shaped groove 468, and when the bending resistance of the active bone material with a shorter length is tested, the No. 3 hydraulic rod 50 is reset, and the active bone material placed on the top curved plate 57 will move downward and move together Inside the inspection bin 1, the active bone material will be placed on the placement tube 51 and the top curved plate 57, and then the No. 2 hydraulic rod 303 will be started, so that the inserted pressing material 301 will continue to extend into the interior of the inspection bin 1 and squeeze the active bone material. At this time, the No. 1 embedded rod 461 is pushed inward, so that the small motor 462 connected to the inner end will bring the pressure limiting disk 464 to squeeze and limit one end of the active bone material. However, as the No. 1 embedded rod 461 is inserted inward, the No. 1 force block 465 fixedly connected to its outer side will squeeze the force ring 466, and the force ring 466 will squeeze the gas inside the air ring tube 467, and then the gas will run to the other end of the air ring tube 467 and squeeze the transmission ring 469, respectively. The reset bar 4603 fixedly connected to the inner ends of the force ring 466 and the transmission ring 469 plays a role in resetting the two. Then, the No. 2 force block 460 fixedly connected to the other end of the transmission ring 469 will squeeze the No. 2 embedded rod 4601, and finally another pressure limiting plate 464 will squeeze and limit the other end of the active bone material. At this time, the small motor 462 is started again to make the pressure limiting plate 464 rotate with the active bone material. If the active bone material undergoes periodic deflection, the No. 2 hydraulic rod 303 can also move downward periodically, thereby achieving the effect of hardness testing of each surface of the active bone material in the circumferential direction. If the active bone material rotates, accompanied by the No. 2 hydraulic rod 303 slightly squeezing its surface,Thereby achieving the effect of wear-resistant test treatment on the surface of active bone materials.

[0050] like Fig.13 , Fig.14 and Fig.15 As shown, the adjusting mechanism 5 includes a placing cylinder 51, which is arranged in the built-in groove 42, and a hollow tube 52 is fixedly connected to the bottom of the placing cylinder 51, and the hollow tube 52 is inserted in the bottom of the calibration bin 1. A threaded rod 53 is arranged inside the hollow tube 52, and a rod sleeve 56 is rotatably connected to the bottom of the threaded rod 53. A No. 1 magnetic block 54 is fixedly connected to the top of the threaded rod 53, and a No. 2 magnetic block 55 is arranged above the No. 1 magnetic block 54. The No. 2 magnetic block 55 is fixedly connected to the top of the inner cavity of the hollow tube 52, and top curved plates 57 are symmetrically arranged at both ends of the placing cylinder 51, and the top curved plates 57 are inserted in the bottom of the calibration bin 1. The bottom of the top curved plate 57 is fixedly connected to a bottom rod 58, and the bottom of the bottom rod 58 is fixedly connected to a bottom plate 59. The outer side of the bottom plate 59 is fixedly connected to a No. 3 hydraulic rod 50, and the No. 3 hydraulic rod 50 is fixedly connected to the bottom of the calibration bin 1. A rod plate 501 is fixedly connected to the outer side of the output end of the hydraulic rod 50. By driving the No. 3 hydraulic rod 50 to contract, the bottom plate 59 fixedly connected to the bottom end of the No. 3 hydraulic rod 50 will move upward with the bottom rod 58, and then the top curved plate 57 fixedly connected to the top of the bottom rod 58 will be inserted into the interior of the inspection chamber 1 and be level with the height of the through hole 41. At this time, the active bone material with a shorter length is passed through the through hole 41 and placed on the top curved plate 57, wherein the surface of the active bone material is matched with the top curved plate 57, and then the No. 2 hydraulic rod 303 is started again, so that the compensation plate 302 connected thereto will pass through the bottom of the external ring 31 with the inserted pressing material 301 and move downward, and finally the bottom of the inserted pressing material 301 will squeeze the horizontally placed active bone material, thereby playing a role in testing the bending resistance of the active bone material with a shorter length.

[0051] When the present invention is in use: first, the No. 3 hydraulic rod 50 is driven to contract, so that the bottom plate 59 fixedly connected to the bottom end of the No. 3 hydraulic rod 50 will move upward with the bottom rod 58, and then the top curved plate 57 fixedly connected to the top of the bottom rod 58 will be inserted into the interior of the inspection bin 1 and be level with the height of the through hole 41. At this time, the active bone material of shorter length is passed through the through hole 41 and placed on the top curved plate 57, and then the No. 2 hydraulic rod 303 is started again, so that the compensation plate 302 connected thereto will pass through the bottom of the external ring 31 with the inserted pressing material 301 and move downward, and finally the bottom of the inserted pressing material 301 will squeeze the horizontally placed active bone material, thereby inspecting its bending resistance.

[0052] When the bending resistance test is completed, the No. 3 hydraulic rod 50 is reset, and the active bone material placed on the top curved plate 57 will move downward and into the testing chamber 1. At this time, the active bone material will be on the placement tube 51 and the top curved plate 57, and then the No. 2 hydraulic rod 303 is started, so that the inserted pressure material 301 will continue to extend into the interior of the testing chamber 1 and squeeze the active bone material. At this time, the No. 1 embedded rod 461 is pushed inward, so that the small motor 462 connected to the inner end will bring the pressure limiting disk 464 to squeeze and limit one end of the active bone material. However, as the No. 1 embedded rod 4 61 is inserted inward, so that the force block No. 1 465 fixedly connected to its outer side will squeeze the force ring 466, and then the force ring 466 will squeeze the gas inside the air ring tube 467, and then the gas will run to the other end of the air ring tube 467 and squeeze the transmission ring 469, and then the force block No. 2 460 fixedly connected to the other end of the transmission ring 469 will squeeze the second embedded rod 4601, and finally the other end of the active bone material will be squeezed and limited by the other pressure plate 464, and then the small motor 462 will be started to make the pressure plate 464 rotate with the active bone material.

[0053] By vertically placing the active bone material into the built-in frame 38 and then starting the electric telescopic rod 32, the outer connecting plate 33 fixedly connected to the top of the electric telescopic rod 32 will move downward with the bottom hole ring 34, and then the curved plate 304 inserted at the bottom of the bottom hole ring 34 will move downward and squeeze the limiting plate 39. At this time, the limiting plate 39 will stretch the reset spring 30, and at the same time, its inner side will limit and fix the vertically placed active bone material. Finally, the No. 1 hydraulic rod 35 is started again, so that the punch head 36 connected to the top thereof will move downward and squeeze the top of the active bone material, thereby realizing the hardness test of the active bone material in the radial direction.

[0054] The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Various changes made by ordinary technicians in this field based on the above-mentioned concepts without creative work all fall within the scope of protection of the present invention.

Claims

1. A test device for bioactive bone repair materials, characterized in that: include: A punching mechanism (3), the punching mechanism (3) being used for testing the strength of active bone materials, the bottom of the punching mechanism (3) being fixedly connected to a testing bin (1); A deflection mechanism (4), the deflection mechanism (4) being used to perform circumferential deflection processing on the active bone; An adjustment mechanism (5), the adjustment mechanism (5) being used to adjust the positions of different types of active bones; The deflection mechanism (4) is fixedly connected to the outside of the calibration chamber (1), the bottom of the calibration chamber (1) is fixedly connected to a support plate (2), and the center of the bottom of the calibration chamber (1) is fixedly connected to the adjustment mechanism (5); The punching mechanism (3) comprises an external ring (31), the external ring (31) is fixedly connected to the top of the inspection chamber (1), the top of the external ring (31) is fixedly connected to an electric telescopic rod (32), the top of the electric telescopic rod (32) is fixedly connected to an external connecting plate (33), the inner side of the external connecting plate (33) is fixedly connected to a bottom hole ring (34), the top of the bottom hole ring (34) is fixedly connected to a No. 1 hydraulic rod (35), and the top of the No. 1 hydraulic rod (35) is fixedly connected to a punching head (36); The inner side of the external ring (31) is fixedly connected to a central tube (37), the inner side of the central tube (37) is fixedly connected to an internal frame (38), the outer side of the internal frame (38) is plugged with a limiting plate (39), the outer side of the limiting plate (39) is fixedly connected to a return spring (30), and one end of the return spring (30) away from the limiting plate (39) is fixedly connected to the inner side of the central tube (37); The bottom of the built-in frame (38) is provided with an interlaced press material (301), the interlaced press material (301) is interlaced in the bottom of the central tube (37) and extends to the outside, the outer side of the interlaced press material (301) is fixedly connected to a compensation plate (302), the bottom of the compensation plate (302) is fixedly connected to a second hydraulic rod (303), and the second hydraulic rod (303) is fixedly connected to the bottom of the inner cavity of the central tube (37); A curved plate (304) is inserted into the bottom of the bottom hole ring (34), the bottom of the curved plate (304) is pressed and adapted to the limiting plate (39), a first magnet (305) is fixedly connected to the top of the curved plate (304), a second magnet (306) is arranged above the first magnet (305), and the second magnet (306) is fixedly connected to the top of the inner cavity of the bottom hole ring (34); The adjustment mechanism (5) comprises a placement tube (51), the placement tube (51) being arranged in the built-in groove (42), the bottom of the placement tube (51) being fixedly connected to a hollow tube (52), the hollow tube (52) being inserted into the bottom of the calibration chamber (1), a threaded rod (53) being arranged inside the hollow tube (52), the bottom of the threaded rod (53) being rotatably connected to a rod sleeve (56), the top of the threaded rod (53) being fixedly connected to a first magnetic block (54), a second magnetic block (55) being arranged above the first magnetic block (54), the second magnetic block (55) being fixedly connected to the top of the inner cavity of the hollow tube (52).

2. The testing device for bioactive bone repair materials according to claim 1, characterized in that: The deflection mechanism (4) comprises a through hole (41) and a built-in groove (42), wherein the through hole (41) and the built-in groove (42) are both provided inside the calibration chamber (1), an inclined panel (43) is inserted on the outside of the calibration chamber (1), a movable plate (44) is fixedly connected to the outer end surface of the inclined panel (43), a spring (45) is fixedly connected to the inner side of the movable plate (44), an end of the spring (45) away from the movable plate (44) is fixedly connected to the outside of the calibration chamber (1), and a deflection assembly (46) is provided on the outside of the calibration chamber (1).

3. The testing device for bioactive bone repair materials according to claim 2, characterized in that: The deflection assembly (46) comprises a first embedded rod (461), the first embedded rod (461) being inserted into the interior of the calibration chamber (1), the inner end of the first embedded rod (461) being fixedly connected to a small motor (462), the output end of the small motor (462) being connected to a limited pressure plate (464) via a coupling, the outer side of the limited pressure plate (464) being connected to a support shaft sleeve (463) via a bearing, and the support shaft sleeve (463) being slidably fitted into the interior of the calibration chamber (1).

4. The testing device for bioactive bone repair materials according to claim 3, characterized in that: The end of the No. 1 embedded rod (461) away from the small motor (462) is fixedly connected to the No. 1 force block (465), the outer side of the No. 1 force block (465) is squeezed and adapted with a force ring (466), the outer side of the force ring (466) is provided with an air ring tube (467), the inside of the air ring tube (467) is provided with a Z-shaped groove (468), the inside of the Z-shaped groove (468) is slidably connected to the air ring tube (467), the end of the Z-shaped groove (468) away from the air ring tube (467) is slidably adapted with a transmission ring (469), the transmission ring ( The outer end of the force-bearing ring (466) is fixedly connected to a No. 2 force block (460), and the end of the No. 2 force block (460) away from the transmission ring (469) is squeezed and adapted with a No. 2 embedding rod (4601), and the No. 2 embedding rod (4601) is inserted into the interior of the calibration chamber (1), and the inner ends of the force ring (466) and the transmission ring (469) are fixedly connected to a reset bar (4603), and the end of the reset bar (4603) away from the transmission ring (469) is fixedly connected to a fixed frame (4602), and the fixed frame (4602) is fixedly connected in the Z-shaped groove (468).

5. The testing device for bioactive bone repair materials according to claim 1, characterized in that: Top curved plates (57) are symmetrically arranged at both ends of the placement cylinder (51), the top curved plates (57) are inserted into the bottom of the calibration bin (1), the bottom of the top curved plates (57) is fixedly connected to a bottom rod (58), the bottom of the bottom rod (58) is fixedly connected to a bottom plate (59), the outer side of the bottom plate (59) is fixedly connected to a third hydraulic rod (50), the third hydraulic rod (50) is fixedly connected to the bottom of the calibration bin (1), and the outer side of the output end of the third hydraulic rod (50) is fixedly connected to a rod plate (501).

6. A method for testing a bioactive bone repair material, used in the testing device for a bioactive bone repair material according to any one of claims 1 to 5, characterized in that: The following steps are involved: Step 1: Bending test, by starting the No. 2 hydraulic rod (303), the compensation plate (302) connected thereto will carry the interlaced pressing material (301) through the bottom of the external ring (31) and move downward, and finally the bottom of the interlaced pressing material (301) will squeeze the horizontally placed active bone material; Step 2: Hardness test: by starting the small motor (462), the pressure limiting plate (464) will rotate with the active bone material. If the active bone material is deflected periodically, the second hydraulic rod (303) can also move downward periodically to perform hardness test on each surface of the active bone material in the circumferential direction. Step 3: Strength test: the limit plate (39) is squeezed and the return spring (30) is stretched, so that the inner side of the limit plate (39) can limit and fix the vertically placed active bone material, and finally the No. 1 hydraulic rod (35) is started, so that the punch head (36) connected to the top thereof moves downward and squeezes the top of the active bone material.

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