Equipment for auxiliary examination of articular ligament

Abstract

The invention relates to the field of pressure detection equipment for X-ray films, and discloses equipment for auxiliary examination of joint ligaments, which comprises a round ball, a first support rod, a connecting block, a second support rod, a third support rod, a movable ball, a fixed rod, a fourth support rod, a clamping rod, a fifth support rod, a sixth support rod, a pressing plate, an adjusting column, a flat section and an adjusting cover. According to the invention, the adjustability is higher, and the adjustable angle and range are larger and more flexible; when a joint part is fixed and pressed under X-ray film examination, the pressure applying site and the pressure applying direction of the pressing plate can be adjusted in multiple directions and at multiple angles in a fixed posture without dismounting the whole device, and the device is more convenient and more flexible to use and is also suitable for doctors to make exploration diagnosis researches on various complicated illness conditions.

Description

Technical Field

[0001] The present invention relates to the field of pressure detection equipment for X-ray films, and specifically to equipment for assisting in the examination of joint ligaments. Background Art

[0002] Clinically, there are various auxiliary examinations for joint ligament injuries, such as X-ray examination, magnetic resonance, arthroscopy examination, and special examinations. When performing an X-ray examination, in order to better judge the injury condition of the joint ligament, it is necessary to use an X-ray stress device to fix the examination site, make the examination site, such as the knee joint, assume a certain posture, and at the same time, a certain pressure needs to be applied to the examination site, so as to more accurately judge the injury condition of the ligament according to the degree of deformation of the ligament under X-ray. At present, for the above-mentioned pressure examination method, either medical staff apply pressure to the injured part of the patient undergoing the examination by hand, or an existing pressing device is used for pressing. For example, the invention patent for a pressure detection device for X-ray films with the patent number CN110742637A can not only fix the joint in different postures, but also apply pressure to the injured part. Although this device is relatively flexible in use and can be fixed and pressed from multiple directions, when in use, every time the pressing part is changed, the entire device needs to be removed first, and after another adjustment and fixation of the entire device, the next pressing part can be pressed. In addition, the adjustment angle of this device still has great limitations, and when exploring complex conditions, the fixation of the pressing direction has certain limitations. Summary of the Invention

[0003] Based on the above problems, the present invention provides equipment for assisting in the examination of joint ligaments. This equipment can fix and press the joint part under X-ray examination. In a fixed posture, the pressing angle and direction can be adjusted within a relatively large range as needed, making it more flexible to use, and the adjustable angle and range are larger.

[0004] To solve the above technical problems, the present invention provides equipment for assisting in the examination of joint ligaments, including a spherical ball. An annular groove is provided in the middle of the outer sidewall of the spherical ball along the circumferential direction of the spherical ball. Two first support rods extending out of the annular groove are provided in the annular groove. The first support rods can move along the annular direction of the annular groove. One end of the first support rod away from the annular groove is provided with a connecting block that can rotate relative to the first support rod. One side of the connecting block is provided with a second support rod that can rotate relative to the connecting block. The second support rod is perpendicular to the extension line of the first support rod. A third support rod that can move back and forth along the length direction of the second support rod is provided on the second support rod. The third support rod is perpendicular to the second support rod. A first groove with a circular arc cross-section is provided on the surface of the third support rod away from the second support rod. A movable ball is provided on the side of the third support rod away from the second support rod. The bottom of the movable ball is arranged in the first groove and can move freely by 360° in the first groove. A spring is provided between the bottom of the movable ball and the bottom of the first groove.

[0005] The end of the support rod three away from the support rod two is provided with a fixing rod, and the end of the fixing rod close to the support rod three is provided with a wrapping groove that wraps the end of the support rod three away from the support rod two, and the side of the fixing rod away from the support rod three is provided with a groove two that is connected to the wrapping groove and has a circular arc cross-section, and the end of the movable ball close to the support rod three is located in the groove two; the fixing rod comprises a half rod one and a half rod two, the half rod one and the half rod two are symmetrically arranged relative to the central axis of the support rod three, the half rod one and the half rod two are detachably connected, the outer side wall of the movable ball is provided with a plurality of evenly distributed shallow grooves, and the inner wall of the groove two is provided with a plurality of evenly distributed rubber protrusions, and the rubber protrusions can be embedded in the shallow grooves;

[0006] A support rod 4 is provided at one end of the movable ball away from the support rod 3, and two cylindrical clamping rods are provided on one side wall of the support rod 4. The clamping rods are perpendicular to the support rod 4, and the two clamping rods can move towards each other or away from each other.

[0007] A through hole 5 is provided at the center of the sphere, the through hole 5 passes through the center of the annular groove, the through hole 5 is provided with a cylindrical support rod 5 passing through the through hole 5, one end of the support rod 5 is provided with a support rod 6 perpendicular to the support rod 5, one end of the support rod 6 is provided with a pressure plate perpendicular to the support rod 6, the pressure plate can rotate with the central axis of the support rod 6 as the center, and the distance between the pressure plate and the support rod 5 is adjustable;

[0008] The end of the sphere facing away from the support rod 6 is provided with an adjustment groove arranged around the through hole 5, an adjustment column which can rotate in the adjustment groove is provided in the adjustment groove, and the end of the adjustment column away from the support rod 6 extends out of the adjustment groove, the outer side wall of the support rod 5 is provided with a strip groove arranged along the length direction of the support rod 5, the center of the adjustment column is provided with a through hole 6 for the support rod 5 to pass through, and the inner wall of the through hole 6 is provided with a limit block located in the strip groove;

[0009] A flat section is provided on one side of the ball away from the adjustment groove, and an adjustment cover with an arc-shaped cross section is provided on the flat section. The support rod 5 passes through the center of the adjustment cover and is screwed with the adjustment cover, and the adjustment cover can rotate relative to the ball.

[0010] Preferably, the bottom of the annular groove is provided with an annular slide groove arranged along the annular direction of the annular groove, the width of the annular slide groove is greater than the width of the annular groove, an annular slider is provided in the annular slide groove, and the annular slider and the support rod are made as one piece; the annular slider is provided with a through hole one passing through the thickness direction of the annular slider, and the outer side wall of the sphere is provided with a plurality of through holes two which are equidistantly arranged along the annular direction of the annular groove and connected to the annular slide groove, and any one of the through holes two is provided with a bolt one which passes through the through hole two and the through hole one in sequence and then abuts against the bottom of the annular slide groove and is threadedly screwed with the through hole two and the through hole one.

[0011] Preferably, the connecting block is provided with a cylindrical block 1 on one side facing the support rod 1 and the supporting rod 2 on one side facing the connecting block, and the supporting rod 1 and the supporting rod 2 on one side facing the connecting block are provided with a rotation cavity 1 for inserting the corresponding cylindrical block 1, and the outer wall of the cylindrical block 1 is provided with a limiting plate 1 arranged around the cylindrical block 1 and located in the corresponding support rod 1 and the connecting block; the side wall of the support rod 1 is provided with a through hole 3 connected with the rotation cavity 1 in the support rod 1, the through hole 3 is provided with a bolt 2 that passes through the through hole 3 and abuts against the cylindrical block 1, and the bolt 2 is threadedly screwed with the through hole 3; the side wall of the connecting block on the side facing away from the support rod 2 is provided with a through hole 4 connected with the rotation cavity 1 in the connecting block, and the cylindrical block 1 in the connecting block is provided with a threaded groove 1 on one side facing away from the support rod 2, and the through hole 4 is provided with a bolt 3 that passes through the through hole 4 and is inserted into the threaded groove 1 and is threadedly screwed with both the through hole 4 and the threaded groove 1.

[0012] Preferably, a rotating chamber 1 is provided on a side of the second support rod away from the connecting block and arranged along the length direction of the second support rod, a threaded rod is provided in the rotating chamber and arranged along the length direction of the first rotating chamber, a pin is provided between one end of the threaded rod close to the connecting block and the second support rod, a torsion block is provided at the end of the threaded rod passing through the rotating chamber, a sliding groove 1 is provided on the outer wall of the second support rod and is connected to the rotating chamber 1 and arranged along the length direction of the second support rod, a slider 1 is provided on the outer peripheral sleeve of the threaded rod and extends out of the sliding groove 1, the slider 1 is threadably connected to the threaded rod, and the slider 1 is bonded to the third support rod.

[0013] Preferably, a locking protrusion 1 is provided on one side of the half rod 1 facing the half rod 2, and a locking groove 1 engaged with the locking protrusion 1 is provided on one side of the half rod 2 facing the half rod 1; a soft plastic strip is provided between one end of the half rod 1 and the half rod 2 close to the support rod 2 and the support rod 3.

[0014] Preferably, a side of the support rod four away from the movable ball is provided with a rotating chamber two arranged along the length direction of the support rod four, a bidirectional screw arranged along the length direction of the rotating chamber two is provided in the rotating chamber two, a pin two is provided between the end of the bidirectional screw close to the movable ball and the support rod four, a torsion block two is provided at the end of the bidirectional screw passing through the rotating chamber two, an outer wall of the support rod four is provided with a sliding groove two connected to the rotating chamber two and arranged along the length direction of the support rod four, the outer periphery of both ends of the bidirectional screw is provided with a sliding block two extending out of the sliding groove two, the sliding block two is screwed to the bidirectional screw thread, and the sliding block two is bonded to the clamping rod.

[0015] Preferably, one end of the adjusting column facing the sixth support rod is provided with a second annular clamping projection arranged around the fifth support rod, and the bottom of the adjusting groove is provided with a second annular clamping groove engaged with the second clamping projection; the inner wall of the adjusting groove is provided with an annular limiting groove arranged around the fifth support rod, and the outer side wall of the adjusting column is provided with a limiting ring arranged along the annular direction of the limiting groove and located in the limiting groove, and the limiting ring can move from one end of the limiting groove to the other end along with the adjusting column.

[0016] Preferably, the flat section is provided with a first annular rotating groove arranged around the fifth support rod, the bottom of the first rotating groove is provided with a second rotating groove with a width greater than that of the first rotating groove and arranged along the annular direction of the first rotating groove, one side of the adjusting cover facing the flat section is provided with a first annular plate located in the first rotating groove, and one end of the first annular plate away from the adjusting cover is provided with a second annular plate located in the second rotating groove; the side wall of the adjusting cover away from the flat section is provided with a seventh through hole, and the seventh through hole is provided with a fourth bolt that passes through the seventh through hole and abuts against the flat section and is screwed with the seventh through hole in a threaded manner.

[0017] Preferably, one end of the fifth support rod close to the sixth support rod is provided with an eighth through hole, the sixth support rod passes through the eighth through hole, one side of the fifth support rod away from the pressing plate is provided with a second threaded groove arranged around the eighth through hole, the outer side wall of the sixth support rod is provided with a fixing ring screwed with the outer side wall of the sixth support rod, and the fixing ring can be screwed into the second threaded groove and is screwed with the second threaded groove; one end of the sixth support rod close to the pressing plate is provided with a third rotating cavity arranged along the length direction of the sixth support rod, a seventh support rod extending out of the third rotating cavity is arranged in the third rotating cavity, the side wall of one end of the sixth support rod close to the pressing plate is provided with a threaded hole communicated with the third rotating cavity, the threaded hole is provided with a fifth bolt that passes through the threaded hole and abuts against the seventh support rod and is screwed with the threaded hole in a threaded manner, the top of the seventh support rod is provided with a third groove, a rotating block that can rotate in the third groove is arranged in the third groove, the outer side wall of the rotating block is provided with a second limiting plate that can rotate in the seventh support rod, one end of the pressing plate is provided with a ninth through hole passing through the thickness direction of the pressing plate, the center of the rotating block is provided with a tenth through hole facing the ninth through hole, the bottom of the third groove is provided with a third threaded groove, and the ninth through hole is provided with a sixth bolt that sequentially passes through the ninth through hole and the tenth through hole and is inserted into the third threaded groove and is screwed with the ninth through hole, the tenth through hole and the third threaded groove in a threaded manner.

[0018] Preferably, the outer side wall of the pressing plate is wrapped with a soft pad.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention has stronger adjustability, and the adjustable angle and range are larger and more flexible; when the present invention fixes and presses the joint part under X-ray examination, it can adjust the pressing position and pressing direction of the pressing plate in multiple directions and at multiple angles in a fixed posture without removing the whole device, which is more convenient and flexible to use, and is also suitable for doctors to conduct exploratory diagnostic research on various complex diseases. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the top view of the present invention (rod six not installed);

[0021] Figure 2 is the internal structure of the main view at rod six and rod five of the present invention;

[0022] Figure 3 is Figure 2 the enlarged view at B of

[0023] Figure 4 is the internal structure of the top view at rod three, movable ball and rod four of the present invention;

[0024] Figure 5 is Figure 4 the enlarged view at A of

[0025] Figure 6 is the internal structure of the top view of the spherical ball, rod one, rod two and rod five parts of the present invention (rod six and rod three not installed);

[0026] Figure 7 is the external structure of the main view of the spherical ball, connecting block, rod two and rod three parts of the present invention (rod five, fixed rod and movable ball not installed);

[0027] Figure 8 is the internal structure of the main view of half rod one, half rod two and rod three parts of the present invention;

[0028] Wherein: 1. spherical ball; 2. annular groove; 3. first support rod; 4. connecting block; 5. second support rod; 6. third support rod; 7. first groove; 8. movable ball; 9. spring; 10. wrapping groove; 11. second groove; 12. first half rod; 13. second half rod; 14. shallow groove; 15. rubber protrusion; 16. fourth support rod; 17. clamping rod; 18. fifth through hole; 19. fifth support rod; 20. sixth support rod; 21. pressing plate; 22. adjusting groove; 23. adjusting column; 24. strip-shaped groove; 25. sixth through hole; 26. limiting block; 27. flat cutting surface; 28. adjusting cover; 29. annular sliding groove; 30. annular sliding block; 31. first through hole; 32. second through hole; 33. first bolt; 34. first cylindrical block; 35. first rotating cavity; 36. first limiting plate; 37. third through hole; 38. second bolt; 39. fourth through hole; 40. first thread groove; 41. third bolt; 42. first rotating chamber; 43. threaded rod; 44. first pin; 45. first torsion block; 46. first sliding groove; 47. first slider; 48. first convex; 49. first clamping groove; 50. soft plastic strip; 51. second rotating cavity; 52. bidirectional screw rod; 53. second pin; 54. second torsion block; 55. second sliding groove; 56. second slider; 57. second convex; 58. second clamping groove; 59. limiting groove; 60. limiting ring; 61. first rotating groove; 62. second rotating groove; 63. first annular plate; 64. second annular plate; 65. seventh through hole; 66. fourth bolt; 67. eighth through hole; 68. second thread groove; 69. fixing ring; 70. third rotating cavity; 71. seventh support rod; 72. threaded hole; 73. fifth bolt; 74. third groove; 75. rotating block; 76. second limiting plate; 77. ninth through hole; 78. tenth through hole; 79. third thread groove; 80. sixth bolt; 81. soft pad. Specific embodiments

[0029] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with embodiments and drawings. The illustrative embodiments and descriptions thereof of the present invention are only used to explain the present invention and do not limit the present invention.

[0030] Embodiment:

[0031] Refer to Figures 1 to 8 , a device for assisting in joint ligament examination, including a spherical ball 1. An annular groove 2 is provided on the outer sidewall of the spherical ball 1 and is arranged along the circumferential direction of the spherical ball 1. The annular groove 2 is located in the middle of the spherical ball 1. Two first support rods 3 extending out of the annular groove 2 are provided in the annular groove 2, and the first support rods 3 can move along the annular direction of the annular groove 2.

[0032] The bottom of the annular groove 2 of the present embodiment is provided with an annular groove 29 arranged along the annular direction of the annular groove 2. The width of the annular groove 29 is greater than the width of the annular groove 2. An annular slider 30 matching the annular groove 29 is provided in the annular groove 29. The annular slider 30 can slide along the annular groove 29. The annular slider 30 is connected to the support rod 1 3 and is made in an integrated manner. The annular slider 30 is provided with a through hole 1 31 passing through the thickness direction of the annular slider 30. The outer wall of the ball 1 is provided with a plurality of through holes 2 32 arranged equidistantly along the annular direction of the annular groove 2 and communicating with the annular groove 29. Any one of the through holes 2 32 is provided with a bolt 1 33 which passes through the through hole 2 32 and the through hole 1 31 in sequence, abuts against the bottom of the annular groove 29, and is threadedly screwed with the through hole 2 32 and the through hole 1 31.

[0033] The annular slider 30 can be fixed by the bolt 33 so that the annular slider 30 does not slide along the annular groove 29. The annular groove 2 is provided to facilitate the support rod 3 to move 360 ​​degrees on the plane where the annular groove 2 is located, so as to facilitate the multi-directional fixing of the support rod 3.

[0034] One end of the support rod 1 3 away from the annular groove 2 is provided with a connecting block 4 which can rotate relative to the support rod 1 3, and one side of the connecting block 4 is provided with a support rod 2 5 which can rotate relative to the connecting block 4, and the support rod 2 5 is perpendicular to the extension line of the support rod 1 3. The support rod 2 5 is provided with a support rod 3 6 which can move back and forth along the length direction of the support rod 2 5, and the support rod 3 6 is perpendicular to the support rod 2 5.

[0035] On one side of the connecting block 4 facing the first support rod 3 and on one side of the second support rod 5 facing the connecting block 4, there are first cylindrical blocks 34. On one side of the first support rod 3 facing the connecting block 4 and on one side of the connecting block 4 facing the second support rod 5, there are first rotating cavities 35 for the corresponding first cylindrical blocks 34 to be inserted. The first cylindrical blocks 34 can rotate within the first rotating cavities 35, thereby driving the corresponding connecting block 4 and the second support rod 5 to rotate. On the outer sidewall of the first cylindrical block 34, there is a first limiting plate 36 that is arranged around the first cylindrical block 34 and is located within the corresponding first support rod 3 and the connecting block 4. The first limiting plate 36 is integrally made with the first cylindrical block 34, and the first limiting plate 36 can prevent the first cylindrical block 34 from disengaging from the first rotating cavity 35. On the sidewall of the first support rod 3, there is a third through hole 37 that communicates with the first rotating cavity 35 inside the first support rod 3. The third through hole 37 is provided with a second bolt 38 that passes through the third through hole 37 and abuts against the first cylindrical block 34. The second bolt 38 is threadedly connected to the third through hole 37, and the second bolt 38 can fix the corresponding first cylindrical block 34 to prevent the first cylindrical block 34 from rotating. On the sidewall of the connecting block 4 facing away from the second support rod 5, there is a fourth through hole 39 that communicates with the first rotating cavity 35 inside the connecting block 4. On the side of the first cylindrical block 4 inside the connecting block 4 facing away from the second support rod 5, there is a first threaded groove 40. The fourth through hole 39 is provided with a third bolt 41 that passes through the fourth through hole 39 and is inserted into the first threaded groove 40 and is threadedly connected to both the fourth through hole 39 and the first threaded groove 40. The third bolt 41 can fix the corresponding first cylindrical block 4 to prevent the first cylindrical block 4 from rotating.

[0036] On one side of the second support rod 5 away from the connecting block 4, there is a first rotating cavity 42 arranged along the length direction of the second support rod 5. Inside the first rotating cavity 42, there is a threaded rod 43 arranged along the length direction of the first rotating cavity 42. Between one end of the threaded rod 43 close to the connecting block 4 and the second support rod 5, there is a first pin 44, and the threaded rod 43 can rotate within the first rotating cavity 42. One end of the threaded rod 43 passing through the first rotating cavity 42 is provided with a first torsion block 45, and the first torsion block 45 is adhered to the threaded rod 43. On the outer sidewall of the second support rod 5, there is a first sliding groove 46 that communicates with the first rotating cavity 42 and is arranged along the length direction of the second support rod 5. A first slider 47 that extends out of the first sliding groove 46 is sleeved on the outer circumference of the threaded rod 43. The first slider 47 is threadedly connected to the threaded rod 43, and the first slider 47 is adhered to the third support rod 6. By rotating the threaded rod 43, the first slider 47 can move along the length direction of the threaded rod 43, thereby moving the position of the third support rod 6 on the second support rod 5.

[0037] On one side of the third support rod 6 away from the second support rod 5, there is a first groove 7 with a circular arc cross-section. On one side of the third support rod 6 away from the second support rod 5, there is a movable ball 8. The bottom of the ball of the movable ball 8 is located within the first groove 7 and can move freely by 360° within the first groove 7. Between the bottom of the ball of the movable ball 8 and the bottom of the first groove 7, there is a spring 9. The function of the spring 9 is to connect the movable ball 8 to the third support rod 6, but the elastic force of the spring 9 cannot restrict the movement of the movable ball 8.

[0038] The end of the support rod 3 6 away from the support rod 2 5 is provided with a fixing rod, and the end of the fixing rod close to the support rod 3 6 is provided with a wrapping groove 10 that wraps the end of the support rod 3 6 away from the support rod 2 5. When the fixing rod wraps the support rod 3 6, it is in close contact with the support rod 3 6. The side of the fixing rod away from the support rod 3 6 is provided with a groove 2 11 that is connected to the wrapping groove 10 and has a circular arc cross section. The end of the movable ball 8 close to the support rod 3 6 is located in the groove 2 11, that is, the end of the fixing rod close to the movable ball 8 wraps the end of the movable ball 8 close to the fixing rod, and when the fixing rod wraps the movable ball 8, the movable ball 8 is only abutted.

[0039] The fixed rod comprises a half rod 12 and a half rod 2 13, which are symmetrically arranged relative to the central axis of the support rod 3 6, and the half rod 12 and the half rod 2 13 are detachably connected. The outer wall of the movable ball 8 is provided with a plurality of evenly distributed shallow grooves 14, and the inner wall of the groove 2 11 is provided with a plurality of evenly distributed rubber protrusions 15, and the rubber protrusions 15 can be embedded in the shallow grooves 14. When the half rod 12 and the half rod 2 13 are put together, the rubber protrusions 15 on the movable ball 8 will be partially embedded in the shallow grooves 14, and the rubber protrusions 15 are elastic and can be compressed. The rubber protrusions 15 and the shallow grooves 14 can increase the friction between the movable ball 8 and the fixed rod, so that the fixed rod can fix the movable ball 8 more firmly.

[0040] In this embodiment, a clamping protrusion 48 is provided on the side of the half-rod 12 facing the half-rod 2 13, and the clamping protrusion 48 is bonded to the half-rod 12. A clamping groove 49 is provided on the side of the half-rod 2 13 facing the half-rod 12, and is engaged with the clamping protrusion 48. A soft plastic strip 50 is provided between the ends of the half-rod 12 and the half-rod 2 13 close to the support rod 2 5 and the support rod 3 6. The soft plastic strip 50 is bonded to the corresponding half-rod 12, the half-rod 2 13 and the support rod 3 6. The soft plastic strip 50 connects the fixing rod with the support rod 3 6, and the half-rod 12 and the half-rod 2 13 can move relative to the support rod 3 6 when they are opened.

[0041] The end of the movable ball 8 away from the support rod 3 6 is provided with a support rod 4 16, and the support rod 4 16 is bonded to the movable ball 8. Two cylindrical clamping rods 17 are provided on one side wall of the support rod 4 16, and the clamping rods 17 are perpendicular to the support rod 4 16. The two clamping rods 17 can move toward each other or move away from each other. The movable ball 8 of this embodiment can move in multiple directions relative to the support rod 3 6, and the support rod 4 16 can be moved in a nearly 360° direction, so that the adjustment direction of the device is more flexible, so that the device can be more flexible in fixing when in use.

[0042] The support rod 4 16 of this embodiment is provided with a rotating cavity 2 51 arranged along the length direction of the support rod 4 16 on the side away from the movable ball 8. A bidirectional screw 52 arranged along the length direction of the rotating cavity 2 51 is provided in the rotating cavity 2 51. A pin 2 53 is provided between the end of the bidirectional screw 52 close to the movable ball 8 and the support rod 4 16. The bidirectional screw 52 can rotate in the rotating cavity 2 51. A torsion block 2 54 is provided at the end of the bidirectional screw 52 passing through the rotating cavity 2 51. The torsion block 2 54 is bonded to the bidirectional screw 52. The outer wall of the support rod 4 16 is provided with a slide groove 2 55 connected with the rotating cavity 2 51 and arranged along the length direction of the support rod 4 16. The outer peripheries of both ends of the bidirectional screw 52 are sleeved with sliders 2 56 extending out of the slide groove 2 55. The sliders 2 56 are threadedly connected to the bidirectional screw 52, ​​and the sliders 2 56 are bonded to the clamping rod 17. By rotating the bidirectional screw rod 52, the two sliders move toward each other or away from each other, so that the clamping rod 17 of the device can clamp arms or legs of different thicknesses.

[0043] A through hole 5 18 is provided at the center of the sphere 1, and the through hole 5 18 passes through the center of the annular groove 2. A cylindrical support rod 5 19 is provided in the through hole 5 18, and the support rod 5 19 can move in the through hole 5 18 along the length direction of the support rod 5 19. A support rod 6 20 perpendicular to the support rod 5 19 is provided at one end of the support rod 5 19, and a pressure plate 21 perpendicular to the support rod 6 20 is provided at one end of the support rod 6 20, and the length direction of the pressure plate 21 is parallel to the length direction of the support rod 5 19, and the pressure plate 21 can rotate with the central axis of the support rod 6 20 as the center, and the spacing between the pressure plate 21 and the support rod 5 19 is adjustable.

[0044] Since the support rod 5 19 can both adjust the distance between the pressure plate 21 and the sphere 1 and rotate the pressure plate 21 relative to the sphere 1, the support rod 6 20 can also adjust the distance between the pressure plate 21 and the support rod 5 19. Therefore, when the clamp rod 17 is fixed, the pressure plate 21 can be adjusted in multiple directions, so that the pressure plate 21 can apply pressure to multiple positions of the injured part, so as to better and more comprehensively understand the damage to the ligament.

[0045] An end of the sphere 1 facing away from the support rod 6 20 is provided with an adjustment groove 22 arranged around the through hole 5 18, an adjustment column 23 that can rotate in the adjustment groove 22 is provided in the adjustment groove 22, and an end of the adjustment column 23 away from the support rod 6 20 extends out of the adjustment groove 22, and the outer wall of the support rod 5 19 is provided with a strip groove 24 arranged along the length direction of the support rod 5 19, and a through hole 6 25 for the support rod 5 19 to pass through is provided in the center of the adjustment column 23, and a limit block 26 located in the strip groove 24 is provided on the inner wall of the through hole 6 25, and the limit block 26 is bonded to the adjustment column 23.

[0046] On one side of the spherical ball 1 away from the adjustment groove 22, there is a flat cut surface 27. The fifth support rod 19 is perpendicularly arranged to the flat cut surface 27. The flat cut surface 27 is provided with an adjustment cover 28 with a circular arc-shaped cross-section. The fifth support rod 19 passes through the center of the adjustment cover 28 and is threadedly connected to the adjustment cover 28. The adjustment cover 28 can rotate relative to the spherical ball 1. In this embodiment, the limit block 26 can not only make the fifth support rod 19 rotate together with the adjustment column 23, but also enable the fifth support rod 19 to move relative to the adjustment column 23 and the spherical ball 1 along the length direction of the fifth support rod 19 when the adjustment cover 28 rotates.

[0047] At one end of the adjustment column 23 facing the sixth support rod 20 in this embodiment, there is a circular clamping protrusion two 57 arranged around the fifth support rod 19. The clamping protrusion two 57 is bonded to the adjustment column 23. At the bottom of the adjustment groove 22, there is a circular clamping groove two 58 that engages with the clamping protrusion two 57. On the inner wall of the adjustment groove 22, there is a circular limit groove 59 arranged around the fifth support rod 19. On the outer side wall of the adjustment column 23, there is a limit ring 60 arranged along the circular direction of the limit groove 59 and located within the limit groove 59. The limit ring 60 is bonded to the adjustment column 23. The limit ring 60 can move from one end of the limit groove 59 to the other end along with the adjustment column 23, and the limit ring 60 can prevent the adjustment column 23 from disengaging from the adjustment groove 22.

[0048] The flat cut surface 27 is provided with a circular rotation groove one 61 arranged around the fifth support rod 19. At the bottom of the rotation groove one 61, there is a rotation groove two 62 with a width greater than that of the rotation groove one 61 and arranged along the circular direction of the rotation groove one 61. On one side of the adjustment cover 28 facing the flat cut surface 27, there is a circular plate one 63 located within the rotation groove one 61. At one end of the circular plate one 63 away from the adjustment cover 28, there is a circular plate two 64 located within the rotation groove two 62. The circular plate two 64 and the circular plate one 63 are integrally made, and the circular plate one 63 is bonded to the adjustment cover 28. On the side wall of the adjustment cover 28 away from the flat cut surface 27, there is a through hole seven 65. The through hole seven 65 is provided with a bolt four 66 that passes through the through hole seven 65 and abuts against the flat cut surface 27 and is threadedly connected to the through hole seven 65. The bolt four 66 can fix the adjustment cover 28 to prevent the adjustment cover 28 from rotating relative to the spherical ball 1.

[0049] At one end of the fifth support rod 19 close to the sixth support rod 20, there is a through hole eight 67. The sixth support rod 20 passes through the through hole eight 67, and the sixth support rod 20 can move along the length direction of the sixth support rod 20 within the through hole eight 67. On one side of the fifth support rod 19 away from the pressing plate 21, there is a thread groove two 68 arranged around the through hole eight 67. On the outer side wall of the sixth support rod 20, there is a fixing ring 69 that is threadedly connected to the outer side wall of the sixth support rod 20. The fixing ring 69 can be screwed into the thread groove two 68 and is threadedly connected to the thread groove two 68. The fixing ring 69 can be used to fix the sixth support rod 20 on the fifth support rod 19.

[0050] One end of the sixth support rod 20 close to the pressing plate 21 is provided with a third rotating cavity 70 arranged along the length direction of the sixth support rod 20. A seventh support rod 71 extending out of the third rotating cavity 70 is arranged in the third rotating cavity 70, and the seventh support rod 71 can move along its own length direction in the third rotating cavity 70. A side wall of one end of the sixth support rod 20 close to the pressing plate 21 is provided with a threaded hole 72 communicating with the third rotating cavity 70. A fifth bolt 73 is arranged in the threaded hole 72. After passing through the threaded hole 72, the fifth bolt 73 abuts against the seventh support rod 71 and is threadedly connected with the threaded hole 72, and the seventh support rod 71 is fixed at a fixed position in the third rotating cavity 70 through the fifth bolt 73.

[0051] A third groove 74 is arranged at the top of the seventh support rod 71. A rotating block 75 capable of rotating in the third groove 74 is arranged in the third groove 74. A second limiting plate 76 capable of rotating in the seventh support rod 71 is arranged on the outer side wall of the rotating block 75. The second limiting plate 76 and the rotating block 75 are integrally manufactured, and the second limiting plate 76 can prevent the rotating block 75 from slipping out of the third groove 74. One end of the pressing plate 21 is provided with a ninth through hole 77 passing through the thickness direction of the pressing plate 21. A tenth through hole 78 opposite to the ninth through hole 77 is arranged at the center of the rotating block 75. A third threaded groove 79 is arranged at the bottom of the third groove 74. A sixth bolt 80 is arranged in the ninth through hole 77. After passing through the ninth through hole 77 and the tenth through hole 78 in sequence, the sixth bolt 80 is inserted into the third threaded groove 79 and is threadedly connected with the ninth through hole 77, the tenth through hole 78 and the third threaded groove 79. The sixth bolt 80 can fix the pressing plate 21 on the seventh support rod 71 to prevent the pressing plate 21 from rotating relative to the seventh support rod 71.

[0052] In order to improve the comfort during use in this embodiment, a soft pad 81 is wrapped on the outer side wall of the pressing plate 21. During actual use, existing soft pads can also be bonded to parts such as the clamping rod 17 that are in close contact with the skin.

[0053] The working principle of this embodiment is as follows: During use, adjust the first support rod 3 to the seventh support rod 71 and other parts in the foregoing manner according to needs, so that the clamping rod 17 of this device can clamp on the patient's body, and the pressing plate 21 can apply pressure to the ligament of the injured part. Next, the inventor takes the inspection of the ligament injury of the knee joint as an example to conduct a partial description of the use.

[0054] Before irradiating the knee joint ligament injury with X-rays, if it is necessary to bend the knee joint, the patient is made to maintain the bent knee joint position. The sphere 1 can be suspended above or below the knee joint. One set of clamping rods 17 clamps the lower leg, and one set of clamping rods 17 clamps the thigh. Adjust the positions and orientations of the first rod 3, the second rod 5, and the third rod 6, and adjust the orientation of the fourth rod 16 so that each set of clamping rods 17 is respectively located above and below the thigh or the lower leg. Then adjust the orientation of the fourth rod 16 so that each set of clamping rods 17 is in a position where it can clamp the thigh or the lower leg. Fix the fourth rod 16, and then move each set of clamping rods 17 towards the thigh or the lower leg to make the clamping rods 17 clamp the thigh and the lower leg. At this time, the position of the sphere 1 is also basically fixed. If the sphere 1 is located below the knee, and if it is necessary to apply pressure below the knee joint at this time, then adjust the fifth rod 19, the sixth rod 20, and the seventh rod 71 so that the pressing plate 21 is located below the knee joint. Then rotate the pressing plate 21 so that the pressing plate 21 can exactly press on the pressure application site. Then adjust the length of the seventh rod 71 so that the pressing plate 21 abuts on the pressure application site. If it is necessary to apply pressure above the knee at this time, then adjust the fifth rod 19, the sixth rod 20, and the seventh rod 71 so that the pressing plate 21 is located above the knee joint. Then adjust the orientation of the pressing plate 21. At this time, whether it is necessary to apply positive pressure or side pressure to the knee joint, it can be achieved by operating such as rotating the fifth rod 19, adjusting the length of the fifth rod 19 passing through the fifth perforation 18, adjusting the length of the seventh rod 71 passing through the sixth rod 20, and rotating the pressing plate 21.

[0055] The above is the embodiment of the present invention. The above embodiments and the specific parameters in the embodiments are only for clearly expressing the invention verification process, and are not used to limit the patent protection scope of the present invention. The patent protection scope of the present invention still takes its claims as the criterion. All equivalent structural changes made by using the content of the specification and drawings of the present invention should be included in the protection scope of the present invention by the same token.

Claims

1. An apparatus for assisting in the examination of joint ligaments, characterized in that, It includes a spherical ball (1). In the middle of the outer sidewall of the spherical ball (1), there is an annular groove (2) arranged along the circumferential direction of the spherical ball (1). Inside the annular groove (2), there are two support rods one (3) extending out of the annular groove (2). The support rods one (3) can move along the annular direction of the annular groove (2). At one end of the support rod one (3) away from the annular groove (2), there is a connecting block (4) that can rotate relative to the support rod one (3). On one side of the connecting block (4), there is a support rod two (5) that can rotate relative to the connecting block (4). The support rod two (5) is perpendicular to the extension line of the support rod one (3); on the support rod two (5), there is a support rod three (6) that can move back and forth along the length direction of the support rod two (5). The support rod three (6) is perpendicular to the support rod two (5). On one side of the support rod three (6) away from the support rod two (5), there is a groove one (7) with a circular arc cross-section. On one side of the support rod three (6) away from the support rod two (5), there is a movable ball (8). The bottom of the ball of the movable ball (8) is arranged in the groove one (7) and can make a 360° random movement in the groove one (7). Between the bottom of the ball of the movable ball (8) and the bottom of the groove of the groove one (7), there is a spring (9); At one end of the support rod three (6) away from the support rod two (5), there is a fixed rod. At one end of the fixed rod close to the support rod three (6), there is a wrapping groove (10) that wraps the end of the support rod three (6) away from the support rod two (5). On one side of the fixed rod away from the support rod three (6), there is a groove two (11) that communicates with the wrapping groove (10) and has a circular arc cross-section. One end of the movable ball (8) close to the support rod three (6) is located in the groove two (11); the fixed rod includes a half rod one (12) and a half rod two (13). The half rod one (12) and the half rod two (13) are symmetrically arranged relative to the central axis of the support rod three (6). The half rod one (12) and the half rod two (13) are detachably connected. On the outer sidewall of the movable ball (8), there are a plurality of uniformly distributed shallow grooves (14). On the inner wall of the groove two (11), there are a plurality of uniformly distributed rubber protrusions (15). The rubber protrusions (15) can be embedded in the shallow grooves (14); At one end of the movable ball (8) away from the support rod three (6), there is a support rod four (16). On one side sidewall of the support rod four (16), there are two cylindrical clamping rods (17). The clamping rods (17) are perpendicular to the support rod four (16). The two clamping rods (17) can move towards each other or move away from each other; In the center of the spherical ball (1), there is a perforation five (18). The perforation five (18) passes through the center of the annular groove (2). In the perforation five (18), there is a cylindrical support rod five (19) passing through the perforation five (18). At one end of the support rod five (19), there is a support rod six (20) perpendicular to the support rod five (19). At one end of the support rod six (20), there is a pressing plate (21) perpendicular to the support rod six (20). The pressing plate (21) can rotate with the central axis of the support rod six (20) as the center. The distance between the pressing plate (21) and the support rod five (19) is adjustable; One end of the spherical ball (1) facing away from the sixth support rod (20) is provided with an adjustment groove (22) surrounding the fifth through hole (18). An adjustment column (23) that can rotate within the adjustment groove (22) is arranged in the adjustment groove (22). One end of the adjustment column (23) away from the sixth support rod (20) extends out of the adjustment groove (22). A strip-shaped groove (24) is arranged on the outer side wall of the fifth support rod (19) along the length direction of the fifth support rod (19). A sixth through hole (25) for the fifth support rod (19) to pass through is arranged at the center of the adjustment column (23). A limiting block (26) located within the strip-shaped groove (24) is arranged on the inner wall of the sixth through hole (25). One side of the spherical ball (1) facing away from the adjustment groove (22) is provided with a flat cut surface (27). An adjustment cover (28) with a circular arc-shaped cross-section is arranged on the flat cut surface (27). The fifth support rod (19) passes through the center of the adjustment cover (28) and is threadedly connected to the adjustment cover (28). The adjustment cover (28) can rotate relative to the spherical ball (1).

2. The device for assisting in joint ligament examination according to claim 1, wherein, A circular sliding groove (29) is arranged at the bottom of the annular groove (2) along the annular direction of the annular groove (2). The width of the circular sliding groove (29) is greater than the width of the annular groove (2). An annular slider (30) is arranged within the circular sliding groove (29). The annular slider (30) and the first support rod (3) are integrally manufactured. A first through hole (31) passing through the thickness direction of the annular slider (30) is arranged on the annular slider (30). A plurality of second through holes (32) that are equidistantly arranged along the annular direction of the annular groove (2) and communicate with the inside of the circular sliding groove (29) are arranged on the outer side wall of the spherical ball (1). A first bolt (33) that sequentially passes through the second through hole (32) and the first through hole (31), abuts against the bottom of the circular sliding groove (29), and is threadedly connected to both the second through hole (32) and the first through hole (31) is arranged in any one of the second through holes (32).

3. The device for assisting in joint ligament examination according to claim 1, characterized in that, The connecting block (4) is provided with a cylindrical block (34) on one side facing the support rod (3) and the connecting block (4) is provided with a rotating cavity (35) for inserting the corresponding cylindrical block (34) on one side facing the connecting block (4) and the connecting block (4) is provided with a rotating cavity (35) for inserting the corresponding cylindrical block (34) on one side facing the connecting block (4) and the connecting block (4) is provided with a limiting plate (36) arranged around the cylindrical block (34) and located in the corresponding support rod (3) and the connecting block (4); the side wall of the support rod (3) is provided with a through hole (37) communicating with the rotating cavity (35) in the support rod (3); the through hole (37) is provided with a through hole (37) in the side wall of the support rod (3) and ...5) is provided with a The hole three (37) is provided with a bolt two (38) which passes through the through hole three (37) and then abuts against the cylindrical block one (34), and the bolt two (38) is threadedly screwed with the through hole three (37); a through hole four (39) which is connected to the rotating cavity one (35) in the connecting block (4) is provided on the side wall of the connecting block (4) away from the support rod two (5); a thread groove one (40) is provided on the side of the cylindrical block one (34) in the connecting block (4) away from the support rod two (5), and the through hole four (39) is provided with a bolt three (41) which passes through the through hole four (39) and then is inserted into the thread groove one (40) and is threadedly screwed with both the through hole four (39) and the thread groove one (40).

4. The device for assisting in joint ligament examination according to claim 1, characterized in that, A rotating chamber (42) is provided on a side of the support rod (5) away from the connecting block (4) and arranged along the length direction of the support rod (5); a threaded rod (43) is provided in the rotating chamber (42) and arranged along the length direction of the rotating chamber (42); a pin (44) is provided between one end of the threaded rod (43) close to the connecting block (4) and the support rod (5); a torsion block (45) is provided at one end of the threaded rod (43) passing through the rotating chamber (42); a sliding groove (46) is provided on the outer wall of the support rod (5) and is connected to the rotating chamber (42) and arranged along the length direction of the support rod (5); a sliding block (47) is provided on the outer periphery of the threaded rod (43) and extends out of the sliding groove (46); the sliding block (47) is threadedly connected to the threaded rod (43); and the sliding block (47) is bonded to the support rod (6).

5. The device for auxiliary inspection of joint ligaments according to claim 1, characterized in that, A locking protrusion (48) is provided on one side of the half-rod (12) facing the half-rod (13), and a locking groove (49) engaged with the locking protrusion (48) is provided on one side of the half-rod (13) facing the half-rod (12); and a soft plastic strip (50) is provided between one end of the half-rod (12) and the half-rod (13) close to the support rod (5) and the support rod (6).

6. The device for auxiliary examination of joint ligaments according to claim 1, characterized in that, On one side of the fourth support rod (16) away from the movable ball (8), there is a second rotating cavity (51) arranged along the length direction of the fourth support rod (16). Inside the second rotating cavity (51), there is a bidirectional screw rod (52) arranged along the length direction of the second rotating cavity (51). Between one end of the bidirectional screw rod (52) close to the movable ball (8) and the fourth support rod (16), there is a second pin (53). One end of the bidirectional screw rod (52) passing through the second rotating cavity (51) is provided with a second torsion block (54). On the outer side wall of the fourth support rod (16), there is a second sliding groove (55) communicating with the second rotating cavity (51) and arranged along the length direction of the fourth support rod (16). On the outer circumference of both ends of the bidirectional screw rod (52), there is a second slider (56) extending out of the second sliding groove (55). The second slider (56) is threadedly connected with the bidirectional screw rod (52), and the second slider (56) is bonded to the clamping rod (17).

7. The device for assisting in joint ligament examination according to claim 1, characterized in that, One end of the adjusting column (23) facing the sixth support rod (20) is provided with an annular second clamping protrusion (57) arranged around the fifth support rod (19). At the bottom of the adjusting groove (22), there is an annular second clamping groove (58) engaging with the second clamping protrusion (57); on the inner wall of the adjusting groove (22), there is an annular limiting groove (59) arranged around the fifth support rod (19). On the outer side wall of the adjusting column (23), there is an annular limiting ring (60) arranged along the annular direction of the limiting groove (59) and located inside the limiting groove (59). The annular limiting ring (60) can move from one end of the limiting groove (59) to the other end along with the adjusting column (23).

8. The device for auxiliary examination of joint ligaments according to claim 1, characterized in that, On the flat cutting surface (27), there is an annular first rotating groove (61) arranged around the fifth support rod (19). At the bottom of the first rotating groove (61), there is a second rotating groove (62) with a width greater than that of the first rotating groove (61) and arranged along the annular direction of the first rotating groove (61). One side of the adjusting cover (28) facing the flat cutting surface (27) is provided with an annular plate one (63) located inside the first rotating groove (61). One end of the annular plate one (63) away from the adjusting cover (28) is provided with an annular plate two (64) located inside the second rotating groove (62); on the side wall of the adjusting cover (28) away from the flat cutting surface (27), there is a seventh through hole (65). The seventh through hole (65) is provided with a fourth bolt (66) that passes through the seventh through hole (65) and abuts against the flat cutting surface (27) and is threadedly connected with the seventh through hole (65).

9. The device for assisting in joint ligament examination according to claim 1, characterized in that, One end of the fifth support rod (19) close to the sixth support rod (20) is provided with an eighth through hole (67), the sixth support rod (20) passes through the eighth through hole (67), and a second threaded groove (68) surrounding the eighth through hole (67) is arranged on a surface of the fifth support rod (19) away from the pressing plate (21). A fixing ring (69) threadedly connected to the outer side wall of the sixth support rod (20) is arranged on the outer side wall of the sixth support rod (20), and the fixing ring (69) can be screwed into the second threaded groove (68) and is threadedly connected to the second threaded groove (68); One end of the sixth support rod (20) close to the pressing plate (21) is provided with a third rotating cavity (70) arranged along the length direction of the sixth support rod (20). A seventh support rod (71) extending out of the third rotating cavity (70) is arranged in the third rotating cavity (70). A threaded hole (72) communicated with the third rotating cavity (70) is arranged on the side wall of one end of the sixth support rod (20) close to the pressing plate (21). A fifth bolt (73) passing through the threaded hole (72) and abutting against the seventh support rod (71) and threadedly connected to the threaded hole (72) is arranged in the threaded hole (72). A third groove (74) is arranged at the top of the seventh support rod (71). A rotating block (75) capable of rotating in the third groove (74) is arranged in the third groove (74). A second limiting plate (76) capable of rotating in the seventh support rod (71) is arranged on the outer side wall of the rotating block (75). One end of the pressing plate (21) is provided with a ninth through hole (77) passing through the thickness direction of the pressing plate (21). A tenth through hole (78) opposite to the ninth through hole (77) is arranged at the center of the rotating block (75). A third threaded groove (79) is arranged at the bottom of the third groove (74). A sixth bolt (80) passing through the ninth through hole (77) and the tenth through hole (78) in sequence and inserted into the third threaded groove (79) and threadedly connected to the ninth through hole (77), the tenth through hole (78) and the third threaded groove (79) is arranged in the ninth through hole (77).

10. The device for assisting in joint ligament examination according to claim 1, characterized in that, A soft pad (81) is wrapped on the outer side wall of the pressing plate (21).

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