阅读说明：本技术 一种可控性复位器的卡脚构造 (Clamping pin structure of controllable restorer ) 是由 王向阳 金海明 黄崇安 潘翔翔 林甲亮 王犇 吴聪聪 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种可控性复位器的卡脚构造,其技术方案要点是包括支架杆和支架脚,所述支架杆与支架脚之间一体成型,所述支架脚包括上支杆和下支杆,所述上支杆和下支杆之间设置有转向机构；所述转向机构包括弧面的弧形包围部和呈球形设置的万向节,所述弧形包围部围设于万向节上方,所述弧形包围部和万向节之间能够相对转动,所述弧形包围部和万向节之间设置有至少一个的解锁件,所述万向节下方固定连接下支杆,所述下支杆下端部设置有横行连接部,该卡脚结构能够偏转卡脚,从而能够应用脊椎侧弯的情况。(The invention discloses a foot clamping structure of a controllable restorer, which has the technical scheme that the foot clamping structure comprises a support rod and a support foot, wherein the support rod and the support foot are integrally formed, the support foot comprises an upper support rod and a lower support rod, and a steering mechanism is arranged between the upper support rod and the lower support rod; steering mechanism includes the arc surrounding portion of cambered surface and is the universal joint of spherical setting, the arc surrounding portion encloses and locates the universal joint top, can rotate relatively between arc surrounding portion and the universal joint, be provided with at least one unlocking piece between arc surrounding portion and the universal joint, branch under the universal joint below fixed connection, the tip is provided with horizontal connecting portion under the branch, and this card foot structure can deflect the card foot to can use the circumstances of vertebra lateral curvature.)

1. The utility model provides a card foot structure of controllability restorer, includes cradling piece (1) and cradling piece (10), integrated into one piece, its characterized in that between cradling piece (1) and cradling piece (10): the support leg (10) comprises an upper support rod (11) and a lower support rod (12), and a steering mechanism (2) is arranged between the upper support rod (11) and the lower support rod (12);

steering mechanism (2) include arc surrounding part (21) of cambered surface and be universal joint (22) of spherical setting, arc surrounding part (21) is enclosed and is located universal joint (22) top, can rotate relatively between arc surrounding part (21) and universal joint (22), be provided with at least one unlocking piece (3) between arc surrounding part (21) and universal joint (22), universal joint (22) below fixed connection lower branch (12), lower tip is provided with horizontal connecting portion (13) down (12).

2. The clamping leg structure of the controllable restorer of claim 1, wherein: unlocking piece (3) are including tightly joining in marriage tile (31) and dead lever (32), threaded connection between dead lever (32) and the arc surrounding part (21), tightly join in marriage tile (31) and set up in arc surrounding part (21) inside and with the laminating of arc surrounding part (21), dead lever (32) are connected and are set up in tightly joining in marriage tile (31) top to extend to the external world, the one end that tight tile (31) was joined in marriage in dead lever (32) keeping away from is provided with knob (33).

3. The clamping leg structure of the controllable restorer of claim 2, wherein: tight tile (31) top is provided with a plurality of evenly distributed's card hole (311), be provided with the screw thread on dead lever (32) and with card hole (311) threaded connection, dead lever (32) can pass arc surrounding part (21) and insert card hole (311) in, when dead lever (32) card goes into card hole (311), tight tile (31) stall.

4. The clamping pin structure of the controllable restorer of claim 1, 2 or 3, wherein: the utility model discloses a spacing, lower branch (12) lower tip is provided with adjustment mechanism (4), adjustment mechanism (4) include holder (41) and moving member (42), moving member (42) can be along the length direction reciprocating slide of holder (41) and the cover is located on holder (41), form the space that supplies horizontal row connecting portion (13) to put into between holder (41) and moving member (42), be provided with control (5) that are used for making moving member (42) remove on holder (41).

5. The clamping leg structure of the controllable restorer of claim 4, wherein: control piece (5) are including setting up knob (51) on moving member (42), be provided with bar groove (6) on holder (41), bar groove (6) extend the setting along the length direction of holder (41), knob (51) can remove in bar groove (6), rotate as knob (51), and moving member (42) can slide along the length direction of holder (41) along the rotation of knob (51), still be provided with locking button (7) that are used for preventing moving member (42) to slide on holder (41).

6. The clamping leg structure of the controllable restorer of claim 5, wherein: locking button (7) below is provided with threaded rod (71), fixed connection between threaded rod (71) and the locking button (7), be provided with a plurality of evenly distributed's circular port (8) on holder (41), threaded connection between circular port (8) and threaded rod (71), circular port (8) extend the setting along the length direction of holder (41), shift over to circular port (8) when threaded rod (71) in, holder (41) stop sliding.

7. The clamping leg structure of the controllable restorer of claim 6, wherein: be provided with friction disc (9) between holder (41) and moving member (42), friction disc (9) and holder (41) medial surface fixed connection, friction disc (9) are used for contradicting with horizontal row connecting portion (13) and are connected.

Technical Field

The invention relates to a clamping pin structure of a controllable restorer.

Background

With the development of spinal surgery technology, the spine posterior osteotomy orthopedic operation is widely developed in clinic, can be used for correcting local severe kyphosis caused by related diseases such as ankylosing spondylitis, congenital vertebral body dysplasia, old fracture, spinal tuberculosis, vertebral body tumor and the like, and can also be used for finishing the treatment of severe scoliosis deformity. The primary goal of orthopedic treatment of osteotomy of spinal deformity is to maintain the balance of the spine in three-dimensional direction by reasonable osteotomy, correct deformity to obtain better fusion, prevent further progression of deformity, and improve the appearance and quality of life of patients. When carrying out the backbone and cutting the bone operation, the operation doctor needs various different instruments to accomplish various operation operations, in these operations, the accurate of cutting the bone end resets especially important, this not only needs operation doctor's clinical experience, still needs the support of accurate resetting instrument, but the U-shaped card foot of traditional controllability restorer can only be suitable for the process of the nail on the more straight stick, but phenomenons such as lateral curvature appear often in the backbone pathology phenomenon, the card foot that two feet can't adapt to the deflection this moment, consequently just can't block and pass the nail on the stick.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a clamping pin structure of a controllable restorer, which can deflect the clamping pin so as to apply the situation of scoliosis.

In order to achieve the purpose, the invention provides the following technical scheme: a foot clamping structure of a controllable restorer comprises a support rod and support feet, wherein the support rod and the support feet are integrally formed, each support foot comprises an upper support rod and a lower support rod, and a steering mechanism is arranged between the upper support rod and the lower support rod;

steering mechanism includes the arc surrounding part of cambered surface and is the universal joint of spherical setting, the arc surrounding part is enclosed and is located the universal joint top, can rotate relatively between arc surrounding part and the universal joint, be provided with at least one unlocking piece between arc surrounding part and the universal joint, universal joint below fixed connection lower branch, the tip is provided with horizontal connecting portion under the lower branch.

Further, the unlocking piece comprises a tight fitting tile and a fixed rod, the fixed rod is in threaded connection with the arc surrounding portion, the tight fitting tile is arranged inside the arc surrounding portion and is attached to the arc surrounding portion, the fixed rod is connected and arranged above the tight fitting tile and extends to the outside, and a knob is arranged at one end, far away from the tight fitting tile, of the fixed rod.

Further, the tight fit tile top is provided with a plurality of evenly distributed's card hole, be provided with the screw thread on the dead lever and with card hole threaded connection, the dead lever can pass arc surrounding portion and insert in the card hole, when the dead lever card goes into the card downthehole, the tight fit tile stall.

Furthermore, the lower tip of lower branch is provided with adjustment mechanism, adjustment mechanism includes holder and moving member, the moving member can be along the length direction reciprocating sliding of holder and the cover is located on the holder, form the space that supplies horizontal row connecting portion to put into between holder and the moving member, be provided with the control that is used for making the moving member remove on the holder.

Further, the control is including setting up the knob on the moving member, be provided with the bar groove on the holder, the bar groove extends the setting along the length direction of holder, the knob can remove in the bar inslot, rotates when the knob, and the moving member can slide along the length direction of holder along with the rotation of knob, still be provided with the locking button that is used for preventing the moving member and slides on the holder.

Further, locking button below is provided with the threaded rod, fixed connection between threaded rod and the locking button, be provided with a plurality of evenly distributed's circular port on the holder, threaded connection between circular port and the threaded rod, the circular port extends the setting along the length direction of holder, changes over to the circular port when the threaded rod, the holder stops sliding.

Furthermore, be provided with the friction disc between holder and the moving member, friction disc and holder medial surface fixed connection, the friction disc is used for contradicting with the horizontal connecting portion and is connected.

The invention has the beneficial effects that:

1. be provided with the thrust unit who outwards promotes two cradling pieces between two cradling pieces, be provided with the guider who outwards promotes two cradling pieces between two cradling pieces, through thrust unit's setting, can effectually make the cradling piece outwards extend, through guider's setting, can guide the outside extension of a frame foot.

2. The tight fitting tile is arranged between the arc surrounding part and the fixing rod, when the fixing rod is screwed into the arc surrounding part, the tight fitting tile is tightly connected with the side face of the universal joint, and the universal joint is difficult to rotate again.

3. Through the setting in card hole, can effectually fix the dead lever to realize relatively fixed between messenger's tight fitting tile and the universal wheel.

4. The clamping piece and the moving piece are matched to clamp the transverse connecting portions with different sizes, so that the adjusting mechanism can clamp rods with different diameters, and the control piece can control the moving piece to move so as to adjust the distance between the control piece and the moving piece.

Drawings

FIG. 1 is a schematic perspective view of a controllable repositor;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of a connection structure between the adjustment mechanism and the transverse connection portion.

Reference numerals: 1. a support rod; 10. a support leg; 11. an upper support rod; 12. a lower support rod; 13. a transverse connection part; 2. a steering mechanism; 21. an arc-shaped surrounding part; 22. a universal joint; 3. unlocking the lock; 31. tightly matching tiles; 311. a clamping hole; 32. fixing the rod; 33. a knob; 4. an adjustment mechanism; 41. a clamping member; 42. a moving member; 5. a control member; 51. a rotation knob; 6. a strip-shaped groove; 7. a locking button; 71. a threaded rod; 8. a circular hole; 9. a friction plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, the leg clamping structure of the controllable restorer of the present embodiment includes a support rod 1 and a support leg 10, the support rod 1 and the support leg 10 are integrally formed, the support leg 10 includes an upper support rod 11 and a lower support rod 12, and a steering mechanism 2 is disposed between the upper support rod 11 and the lower support rod 12;

steering mechanism 2 includes the arc surrounding part 21 of cambered surface and is the universal joint 22 of spherical setting, arc surrounding part 21 encloses and locates universal joint 22 top, can rotate relatively between arc surrounding part 21 and the universal joint 22, be provided with at least one unlocking piece 3 between arc surrounding part 21 and the universal joint 22, universal joint 22 below fixed connection lower branch 12, lower tip is provided with horizontal connecting portion 13 under lower branch 12.

The improvement is as follows: a pushing device which pushes the two support rods 1 outwards is arranged between the two support rods 1, a guiding device which pushes the two support rods 1 outwards is arranged between the two support rods 1, the support leg 10 comprises an upper support rod 11 and a lower support rod 12, a steering mechanism 2 is arranged between the upper support rod 11 and the lower support rod 12, the steering mechanism 2 can enable the lower support rod 12 to rotate in a 360-degree circumference manner, the steering mechanism 2 comprises an arc surrounding part and a universal joint 22, the universal joint 22 is spherical, a unlocking part 3 is also arranged between the arc surrounding part 21 and the universal joint 22, after the unlocking part 3 is unlocked, the arc surrounding part 21 and the universal joint 22 can be rotated, when the unlocking part 3 is in a locked state (how to lock the universal joint 22 of the arc surrounding part 21 will be explained in detail below), rotation is prevented between the arc surrounding part 21 and the universal joint 22, the lower support rod 12 is provided with a transverse connecting part 13, and through the arrangement of the transverse connecting part 13, can effectively correct the spine of the patient.

On the basis of the above embodiment, the unlocking member 3 includes the tight fitting tile 31 and the fixing rod 32, the fixing rod 32 is in threaded connection with the arc surrounding portion 21, the tight fitting tile 31 is disposed inside the arc surrounding portion 21 and attached to the arc surrounding portion 21, the fixing rod 32 is connected and disposed above the tight fitting tile 31 and extends to the outside, and one end of the fixing rod 32 away from the tight fitting tile 31 is provided with the knob 33.

The improvement is as follows: unlocking member 3 has included tight-fitting tile 31 and dead lever 32, tight-fitting tile 31 sets up between arc surrounding part 21 and dead lever 32, dead lever 32 is used for controlling whether universal joint 22 can rotate, fixed connection between dead lever 32 and the tight-fitting tile 31, threaded connection between dead lever 32 and the arc surrounding part 21, when dead lever 32 twists the arc surrounding part in, the side tight fit connection of tight-fitting tile 31 and universal joint 22, universal joint 22 is difficult to rotate again (realize fixing promptly) this moment.

On the basis of the above embodiment, a plurality of clamping holes 311 are uniformly distributed above the tight fitting tile 31, the fixing rod 32 is provided with threads and is in threaded connection with the clamping holes 311, the fixing rod 32 can penetrate through the arc-shaped surrounding portion 21 and be inserted into the clamping holes 311, and when the fixing rod 32 is clamped into the clamping holes 311, the tight fitting tile 31 stops rotating.

The improvement is as follows: the tight fitting tile 31 is provided with a plurality of evenly distributed clamping holes 311, when the universal joint 22 is required to be fixed, the fixing rod 32 is inserted into the clamping holes 311 (the clamping holes 311 are internally provided with threads, the tight fitting tile 31 cannot move left and right due to the limitation of the clamping holes 311), and the fixing rod 32 can be effectively fixed through the arrangement of the clamping holes 311, so that the tight fitting tile 31 and the universal wheel are relatively fixed.

On the basis of the above embodiment, the lower end of the lower support rod 12 is provided with an adjusting mechanism 4, the adjusting mechanism 4 includes a clamping piece 41 and a moving piece 42, the moving piece 42 can slide back and forth along the length direction of the clamping piece 41 and is sleeved on the clamping piece 41, a space for the transverse connection portion 13 to be placed is formed between the clamping piece 41 and the moving piece 42, and the clamping piece 41 is provided with a control piece 5 for moving the moving piece 42.

The improvement is as follows: the clamping piece 41 and the moving piece 42 are matched for clamping the transverse connecting parts 13 with different sizes, so that the adjusting mechanism 4 can clamp rods with different diameters, the control piece 5 for controlling the moving piece 42 to move is arranged above the clamping piece 41 and the moving piece 42, and the control piece 5 can control the moving piece 42 to move so as to adjust the distance between the control piece 5 and the moving piece 42.

On the basis of the above embodiment, the control member 5 includes the rotary knob 51 disposed on the moving member 42, the clamping member 41 is provided with the strip-shaped groove 6, the strip-shaped groove 6 extends along the length direction of the clamping member 41, the rotary knob 51 can move in the strip-shaped groove 6, when the rotary knob 51 rotates, the moving member 42 can slide along the length direction of the clamping member 41 along with the rotation of the rotary knob 51, and the clamping member 41 is further provided with the locking knob 7 for preventing the moving member 42 from sliding.

The improvement is as follows: the rotary button 51 on the moving member 42 rotates, the moving member 42 can slide along the length direction of the clamping member 41 along with the rotation of the rotary button 51, and when the moving member slides to a proper position, the locking button 7 is inserted and locked to realize fixation.

On the basis of above-mentioned embodiment, locking button 7 below is provided with threaded rod 71, fixed connection between threaded rod 71 and the locking button 7, be provided with a plurality of evenly distributed's circular port 8 on the holder 41, threaded connection between circular port 8 and the threaded rod 71, circular port 8 extends the setting along the length direction of holder 41, and in threaded rod 71 turned over into circular port 8, holder 41 stopped sliding.

The improvement is as follows: the locking button 7 is provided with a threaded rod 71, the clamping piece 41 is provided with a plurality of circular holes 8 which are uniformly distributed, and when the transverse connecting part 13 is clamped to be fixed, the threaded rod 71 is screwed in to clamp the threaded rod 71 into the circular holes 8, so that the clamping piece 41 and the moving piece 42 are fixed.

On the basis of the above embodiment, a friction plate 9 is disposed between the clamping member 41 and the moving member 42, the friction plate 9 is fixedly connected with the inner side surface of the clamping member 41, and the friction plate 9 is used for abutting against the transverse connecting portion 13.

The improvement is as follows: the outer side of the friction plate 9 is fixed with the clamping piece 41 and the moving piece 42, the transverse connecting portion 13 is clamped in the friction plate, friction force between the transverse connecting portion 13 and the transverse connecting portion 9 can be increased through arrangement of the friction plate 9, the transverse connecting portion 13 is in contact with the friction plate 9, and the transverse connecting portion 13 is prevented from falling off in the process that the clamping piece 41 and the moving piece 42 squeeze the friction plate 9.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.