CN116098693B - Reset adjusting device and tibia platform reset tool with same - Google Patents
Reset adjusting device and tibia platform reset tool with same Download PDFInfo
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- CN116098693B CN116098693B CN202310393912.9A CN202310393912A CN116098693B CN 116098693 B CN116098693 B CN 116098693B CN 202310393912 A CN202310393912 A CN 202310393912A CN 116098693 B CN116098693 B CN 116098693B
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- rod body
- rotation stopping
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- shaft
- driving shaft
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention provides a reset adjusting device and a tibial plateau reset tool with the same, wherein the reset adjusting device comprises: the rod-shaped piece comprises a first rod body and a second rod body, and the front end of the first rod body is provided with a filling block connecting part; the adjusting component comprises a driving shaft, a bevel gear and a sector gear, wherein the driving shaft is rotatably arranged in the second rod body in a penetrating manner around the axis of the driving shaft, the bevel gear is sleeved at the front end of the driving shaft, the front end of the sector gear is connected with the rear end of the first rod body, the rear end of the sector gear extends towards the direction close to the second rod body, the middle part of the sector gear is hinged with the front end of the second rod body, a plurality of teeth meshed with the bevel gear are arranged at the rear end of the sector gear, and the hinge points of the sector gear and the second rod body are sequentially arranged by taking the hinge points of the sector gear and the second rod body as circle centers. Through the technical scheme that this application provided, can solve the shaft in the correlation technique and can't carry out position control and temporary fixation to the filler piece, lead to the filler piece and the poor problem of tibial plateau suitability.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a resetting adjusting device and a tibia platform resetting tool with the resetting adjusting device.
Background
The upper end of the tibia and the lower end of the femur form a knee joint together, the surface of the upper end of the tibia, which is contacted with the lower end of the femur, is a tibial plateau, the tibial plateau is an important bearing structure of the knee joint, and when the tibial plateau is impacted, the tibial plateau is easy to collapse and fracture, so that the tibial plateau after the collapse and fracture needs to be subjected to reduction filling.
In the related art, by arranging a tibial plateau resetting tool, the tibial plateau resetting tool comprises a rod and a filling block, the filling block can be used for filling the tibial plateau after the subsidence fracture, the rod is used for pushing the filling block to apply force, the rod is controlled to tilt the filling block to the top, the filling block can be filled in the subsidence fracture area of the tibial plateau, then the rod is separated from the filling block, and finally nail implantation operation is performed, so that the filling block and the tibial plateau are reset and fixed.
However, the shaft of the related art cannot adjust the position and temporarily fix the filler block, resulting in poor fit of the filler block to the tibial plateau.
Disclosure of Invention
The invention provides a resetting adjusting device and a tibial plateau resetting tool with the resetting adjusting device, which are used for solving the problem that the filling block and the tibial plateau are poor in adaptability due to the fact that a rod-shaped object in the related technology cannot adjust the position and temporarily fix the filling block.
According to an aspect of the present invention, there is provided a reset adjusting apparatus including: the rod-shaped piece comprises a first rod body and a second rod body positioned at the rear end of the first rod body, and the front end of the first rod body is provided with a filling block connecting part; the adjusting component comprises a driving shaft, a bevel gear and a sector gear, wherein the driving shaft is rotatably arranged in the second rod body in a penetrating manner around the axis of the driving shaft, the extending direction of the driving shaft is the same as that of the second rod body, the bevel gear is sleeved at the front end of the driving shaft, the front end of the sector gear is connected with the rear end of the first rod body, the rear end of the sector gear extends towards the direction close to the second rod body, the middle part of the sector gear is hinged with the front end of the second rod body, a plurality of teeth meshed with the bevel gear are arranged at the rear end of the sector gear, and the teeth are sequentially distributed by taking the hinging point of the sector gear and the second rod body as the circle center.
Further, the first rod body comprises a first cylinder body and a first shaft body rotatably penetrating the first cylinder body; the second body of rod includes second barrel and second shaft body, and the drive shaft rotationally wears to establish in the second barrel, and the second shaft body wears to establish in the drive shaft, and sector gear's front end is connected with the rear end of first barrel, and sector gear's middle part is articulated mutually with the second barrel, and the rear end of first shaft body is connected with the front end universal of second shaft body, and the filler piece connecting portion is the helicitic texture of setting in the front end of first shaft body.
Further, the first shaft body includes: the rear end of the connecting shaft is connected with the front end of the second shaft body in a universal way; the front end of the connecting shaft is fixedly connected with the stopping rotating shaft; the screw sleeve, screw sleeve's lateral wall is provided with first external screw thread, is provided with on the inside wall of first barrel with first external screw thread matched with first internal screw thread, screw sleeve establishes in the outside of stopping the pivot along its axial movability cover, and the filler connecting portion sets up at screw sleeve's front end, is provided with first structure of stopping changeing between screw sleeve and the first axis body to restrict screw sleeve and stop the pivot relatively and rotate.
Further, the first rotation stopping structure includes: the first rotation stopping boss is arranged on the outer side wall of the rotation stopping shaft; the first rotation stopping groove is formed in the inner side wall of the threaded sleeve, the extending direction of the first rotation stopping groove is the same as that of the threaded sleeve, and the first rotation stopping boss extends into the first rotation stopping groove and is in rotation stopping fit with the first rotation stopping groove.
Further, the reset adjusting device further comprises a connecting cylinder and a first hand wheel, the front end of the connecting cylinder is penetrated in the second rod body, the rear end of the connecting cylinder penetrates out of the second rod body and is connected with the first hand wheel, the rear end of the driving shaft is penetrated in the connecting cylinder, and a second rotation stopping structure is arranged between the driving shaft and the connecting cylinder so that the connecting cylinder and the driving shaft rotate synchronously.
Further, the outer side wall of the connecting cylinder is provided with a second external thread, and the inner side wall of the second rod body is correspondingly provided with a second internal thread matched with the second external thread; and/or the second rotation stopping structure comprises a second rotation stopping boss and a second rotation stopping groove, the second rotation stopping boss is arranged on the inner side wall of the connecting cylinder, the second rotation stopping groove is arranged on the outer side wall of the driving shaft, the extending direction of the second rotation stopping groove is the same as that of the driving shaft, and the second rotation stopping boss stretches into the second rotation stopping groove and is in rotation stopping fit with the second rotation stopping groove so as to enable the connecting cylinder and the driving shaft to synchronously rotate.
Further, the reset adjusting device also comprises a second hand wheel, and the rear end of the second shaft body penetrates out of the second cylinder body and is connected with the second hand wheel.
Further, the front end of the second rod body is provided with a mounting plate, the front end of the mounting plate extends towards the direction close to the first rod body, and the middle part of the sector gear is hinged with the front end of the mounting plate.
According to another aspect of the present invention, there is provided a tibial plateau reduction tool, the tibial plateau reduction tool comprising: filling blocks; and the resetting adjusting device is connected with the rear end of the filling block, and the resetting adjusting device is provided by the resetting adjusting device.
Further, the filling block comprises a sector column section and a square column section, the rear end of the sector column section is connected with the front end of the square column section, and the connecting part of the filling block is connected with the rear end of the square column section.
Further, the rear end of the square column section is provided with a threaded hole, and the filling block connecting part is connected with the rear end of the square column section through the threaded hole; and/or the rear end of the square column section is provided with a limiting hole, and the front end of the first rod body is provided with a limiting block which can be inserted into the limiting hole.
By applying the technical scheme of the invention, the reset adjusting device comprises a rod-shaped piece and an adjusting component, wherein the rod-shaped piece comprises a first rod body and a second rod body positioned at the rear end of the first rod body, the connecting part of the filling block is arranged at the front end of the first rod body, the first rod body and the filling block can be connected by utilizing the connecting part of the filling block, the adjusting component comprises a driving shaft, a bevel gear and a sector gear, the driving shaft is rotatably arranged in the second rod body in a penetrating way, the bevel gear is sleeved at the front end of the driving shaft, the front end of the sector gear is connected with the first rod body, the middle part of the sector gear is hinged with the second rod body, and the bevel gear is meshed with the sector gear, so that when the driving shaft is controlled to rotate, the bevel gear can drive the bevel gear to rotate, and further realize the swinging of the first rod body, the angle of the first rod body is convenient to adjust the position of the first rod body, and when the first rod body is connected with the second rod body, the angle position of the second rod body is controlled to rotate, the filling block at the front end of the first rod body is enabled to adjust the filling block, and the filling block is enabled to collapse in a filling area. By adopting the structure, through the mutual cooperation of the rod-shaped piece and the adjusting component, the rotation of the driving shaft can be controlled, the angle adjustment of the first rod body relative to the second rod body can be realized, the position of the filling block can be adjusted, the filling block can be guaranteed to carry out resetting filling on a fracture collapse area, as the filling block connecting part of the first rod body can be connected with the filling block, the first rod body can drive the filling block to be placed at the fracture collapse position, and the effect of temporary fixation can be realized under the effect of the filling block connecting part of the first rod body when the nail implantation operation is carried out, the filling block is prevented from being stressed to move so as not to realize the filling effect in the nail implantation process, the filling block connecting part of the first rod body is separated from the filling block after the completion of the nail implantation operation, the problem that the rod-shaped object cannot carry out position adjustment and temporary fixation on the filling block is solved, the filling block and the tibia platform can be matched, and the structural reliability and the practicability of the resetting adjusting device are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a reset adjustment device provided according to an embodiment of the present invention;
FIG. 2 shows a partial enlarged view at A in FIG. 1;
FIG. 3 illustrates a top view of a reset adjustment apparatus provided in accordance with an embodiment of the present invention;
FIG. 4 shows a cross-sectional view at B-B in FIG. 3;
FIG. 5 shows a partial enlarged view at C in FIG. 4;
FIG. 6 shows a partial enlarged view at D in FIG. 4;
fig. 7 is a schematic view showing a structure that a stop shaft of a reset adjusting device provided by an embodiment of the invention penetrates into a threaded sleeve;
fig. 8 shows a schematic structural view of a threaded sleeve of a reset adjustment device provided according to an embodiment of the present invention;
fig. 9 is a schematic view showing a structure in which a driving shaft of a reset adjusting device provided according to an embodiment of the present invention is inserted into a connecting cylinder;
fig. 10 shows a schematic structural view of a first hand wheel of the reset adjusting device according to the embodiment of the invention;
fig. 11 is a schematic structural view of a second shaft body of the reset adjusting device provided by the embodiment of the invention penetrating into a driving shaft;
FIG. 12 is a schematic view showing the structure of a filler block according to another embodiment of the present invention;
fig. 13 shows a front view of a filler block provided according to another embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. a rod-like member; 11. a first rod body; 111. a first cylinder; 112. a first shaft body; 1121. a connecting shaft; 1122. a rotation stopping shaft; 1123. a threaded sleeve; 113. a limiting block; 12. a second rod body; 121. a second cylinder; 122. a second shaft body; 123. a mounting plate; 13. a filler block connecting portion;
20. an adjustment assembly; 21. a drive shaft; 22. bevel gears; 23. a sector gear;
30. a first rotation stopping structure; 31. a first rotation stopping boss; 32. a first rotation stopping groove;
40. a connecting cylinder;
50. a first hand wheel;
60. a second rotation stopping structure; 61. a second rotation stopping boss; 62. a second rotation stopping groove;
70. the second hand wheel;
80. filling blocks; 81. a threaded hole; 82. a limiting hole; 83. a sector column section; 84. square column sections;
90. resetting the adjusting device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, the embodiment of the present invention provides a reset adjusting device, the reset adjusting device includes a rod-shaped member 10 and an adjusting component 20, the rod-shaped member 10 includes a first rod body 11 and a second rod body 12 located at the rear end of the first rod body 11, the front end of the first rod body 11 has a filling block connecting portion 13, the adjusting component 20 includes a driving shaft 21, a bevel gear 22 and a sector gear 23, the driving shaft 21 is rotatably penetrating in the second rod body 12 around its axis, the extending direction of the driving shaft 21 is the same as the extending direction of the second rod body 12, the bevel gear 22 is sleeved at the front end of the driving shaft 21, the front end of the sector gear 23 is connected with the rear end of the first rod body 11, the rear end of the sector gear 23 extends towards the direction close to the second rod body 12, the middle of the sector gear 23 is hinged with the front end of the second rod body 12, the rear end of the sector gear 23 is provided with a plurality of teeth meshed with the bevel gear 22, and the plurality of teeth are sequentially arranged with the hinge points of the sector gear 23 and the second rod body 12 as circle centers.
The application this embodiment provides a reset adjusting device, this reset adjusting device includes shaft-like piece 10 and adjusting part 20, shaft-like piece 10 includes first body of rod 11 and the second body of rod 12 that is located first body of rod 11 rear end, filler connecting portion 13 sets up the front end at first body of rod 11, can utilize filler connecting portion 13 to be connected first body of rod 11 and filler, adjusting part 20 includes drive shaft 21, bevel gear 22 and sector gear 23, drive shaft 21 rotatably wears to establish in second body of rod 12, bevel gear 22 cover is established in the front end of drive shaft 21, the front end and the first body of rod 11 of sector gear 23 are connected, the middle part and the second body of rod 12 of sector gear 23 are articulated to bevel gear 22 meshes with sector gear 23, and then when controlling drive shaft 21 and rotate, can drive bevel gear 22 and sector gear 23 meshing, and then can realize that first body of rod 11 swings, the angle of first body of rod 11 adjusts, be convenient for carry out the position adjustment to first body of rod 11, when first body of rod 11 and second body of rod 12 carry out the rotation of rod 12 are connected through drive shaft 21, the position change can be realized at the first body of rod 11, and the filling region is realized, and the filling region is then can be filled to the position change is realized. By adopting the structure, through the mutual cooperation of the rod-shaped piece 10 and the adjusting component 20, through controlling the rotation of the driving shaft 21, the angle adjustment of the first rod body 11 relative to the second rod body 12 can be realized, and then the position of the filling block can be adjusted, the filling block is ensured to be capable of resetting and filling the fracture collapse area, as the filling block connecting part 13 of the first rod body 11 can be connected with the filling block, the first rod body 11 can drive the filling block to be placed at the fracture collapse position, and when the nail implantation operation is carried out, the temporary fixation effect can be realized under the action of the filling block connecting part 13 of the first rod body 11, the filling block is prevented from being stressed to move so as not to play a filling role, the filling block connecting part 13 of the first rod body 11 is separated from the filling block after the nail implantation operation is completed, and then the problem that the rod-shaped object can not carry out position adjustment and temporary fixation on the filling block is solved, the filling block and the tibia platform can be ensured to be adapted, and the structural reliability and practicability of the resetting adjusting device are improved.
As shown in fig. 3 to 6, the first rod 11 includes a first cylinder 111 and a first shaft 112 rotatably penetrating the first cylinder 111, the second rod 12 includes a second cylinder 121 and a second shaft 122, the driving shaft 21 rotatably penetrates the second cylinder 121, the second shaft 122 penetrates the driving shaft 21, the front end of the sector gear 23 is connected with the rear end of the first cylinder 111, the middle part of the sector gear 23 is hinged with the second cylinder 121, the rear end of the first shaft 112 is connected with the front end of the second shaft 122 in a universal manner, and the filling block connecting part 13 is a threaded structure arranged at the front end of the first shaft 112. By adopting the structure, the first rod body 11 comprises the first cylinder 111 and the first shaft body 112, the first shaft body 112 is rotatably arranged in the first cylinder 111, the second rod body 12 comprises the second cylinder 121 and the second shaft body 122, the driving shaft 21 is arranged in the second cylinder 121 in a penetrating manner, the second shaft body is arranged in the driving shaft 21 in a penetrating manner, the front end of the sector gear 23 is connected with the rear end of the first cylinder 111, the middle part of the sector gear 23 is hinged with the second cylinder 121, the first shaft body 112 and the second shaft body 122 are connected in a universal manner, the bevel gear 22 can be driven to rotate when the driving shaft 21 rotates, the sector gear 23 drives the first cylinder 111 to rotate, the angular position of the first cylinder 111 is adjusted, the second shaft body 122 is arranged in the driving shaft 21 in a penetrating manner, the first shaft body 112 can be driven to axially move when the second shaft body 122 is controlled to rotate, the filling block on the filling block connecting part 13 is reset and filled, the fracture region can be reset conveniently, the angular position of the first cylinder 111 can be adjusted through controlling the driving shaft 21 to be reset conveniently, the angular position of the first cylinder 111 can be adjusted through the universal position of the first shaft body 122 can be reset conveniently, and the filling block can be axially adjusted through the universal position of the first shaft body 122 can be adjusted through the universal connection with the axial movement of the first shaft body 122, and the filling block can be simultaneously axially adjusted through the axial movement of the first shaft body 122.
As shown in fig. 1, 2, 4 and 6, the first shaft body 112 includes a connecting shaft 1121, a rotation stopping shaft 1122 and a threaded sleeve 1123, the rear end of the connecting shaft 1121 is connected with the front end of the second shaft body 122 in a universal manner, the front end of the connecting shaft 1121 is fixedly connected with the rotation stopping shaft 1122, a first external thread is provided on the outer side wall of the threaded sleeve 1123, a first internal thread matched with the first external thread is provided on the inner side wall of the first cylinder body 111, the threaded sleeve 1123 is movably sleeved on the outer side of the rotation stopping shaft 1122 along the axial direction thereof, a filling block connecting portion 13 is provided at the front end of the threaded sleeve 1123, and a first rotation stopping structure 30 is provided between the threaded sleeve 1123 and the first shaft body 112 to limit the rotation of the threaded sleeve 1123 relative to the rotation stopping shaft 1122. By adopting the structure, through setting up connecting axle 1121, end pivot 1122 and screw thread sleeve 1123, the rear end of connecting axle 1121 and the front end universal connection of second shaft 122, because connecting axle 1121's front end and end pivot 1122 fixed connection, utilize the first external screw thread on screw thread sleeve 1123 lateral wall and the first internal screw thread on the first barrel 111 inside wall to carry out threaded connection, end pivot 1122 wears to establish in screw thread sleeve 1123, and be provided with first end pivot structure 30 between screw thread sleeve 1123 and the first shaft 112, limit screw thread sleeve 1123 rotates relative end pivot 1122, make when driving second shaft 122 and rotate, can drive connecting axle 1121 and end pivot 1122 fixed connection, make end pivot 1122 can rotate, under the effect of first end pivot structure 30, make end pivot 1122 can drive screw thread sleeve 1123 and first barrel 111 threaded connection, and then make screw thread sleeve 1123 can move in the axial, and then realize that screw thread sleeve 1123 carries out the axial direction and move, and realize that the axial connection of the screw thread block 1123 carries out the setting device that resets with the load-up block, and the setting device that is convenient for realizing the filling of the setting block, and the setting block is convenient for realize the setting of setting and the setting of the setting block connection of the setting block 13.
As shown in fig. 7 and 8, the first rotation stopping structure 30 includes a first rotation stopping boss 31 and a first rotation stopping groove 32, the first rotation stopping boss 31 is disposed on an outer sidewall of the rotation stopping shaft 1122, the first rotation stopping groove 32 is disposed on an inner sidewall of the threaded sleeve 1123, an extending direction of the first rotation stopping groove 32 is the same as an extending direction of the threaded sleeve 1123, and the first rotation stopping boss 31 extends into the first rotation stopping groove 32 and is in rotation stopping fit with the first rotation stopping groove 32. With the above structure, the first rotation stopping boss 31 is disposed on the outer side wall of the rotation stopping shaft 1122, the first rotation stopping groove 32 is disposed on the inner side wall of the threaded sleeve 1123, and when the rotation stopping shaft 1122 is inserted into the threaded sleeve 1123, the first rotation stopping boss 31 and the first rotation stopping groove 32 can be engaged in rotation stopping, so that the synchronous rotation of the threaded sleeve 1123 and the rotation stopping shaft 1122 can be realized.
As shown in fig. 9 and 10, the reset adjusting device further includes a connecting cylinder 40 and a first hand wheel 50, the front end of the connecting cylinder 40 is penetrated in the second rod body 12, the rear end of the connecting cylinder 40 penetrates out of the second rod body 12 and is connected with the first hand wheel 50, the rear end of the driving shaft 21 is penetrated in the connecting cylinder 40, and a second rotation stopping structure 60 is arranged between the driving shaft 21 and the connecting cylinder 40 so as to enable the connecting cylinder 40 and the driving shaft 21 to synchronously rotate. By adopting the structure, through setting the connecting cylinder 40 and the first hand wheel 50, the connecting cylinder 40 is connected with the first hand wheel 50, the rear end of the driving shaft 21 is penetrated in the connecting cylinder 40, and a second rotation stopping structure 60 is arranged between the driving shaft 21 and the connecting cylinder 40, when the first hand wheel 50 is driven to rotate, the connecting cylinder 40 and the driving shaft 21 rotate together, so that the operation control is facilitated, and the angle position adjustment of the first rod body 11 is realized.
In this embodiment, the outer side wall of the connecting tube 40 is provided with a second external thread, and the inner side wall of the second rod body 12 is correspondingly provided with a second internal thread matched with the second external thread. By adopting the structure, through setting up the second external screw thread at the lateral wall of connecting cylinder 40, be provided with the second internal screw thread on the inside wall of second body of rod 12 for can realize the auto-lock function under the cooperation of second external screw thread and second internal screw thread when driving connecting cylinder 40 and rotate, be convenient for operate connecting cylinder 40 and rotate, can also guarantee to lock under the effect of second external screw thread and second internal screw thread when driving connecting cylinder 40 adjusts suitable position, prevent to take place axial slip after adjusting certain angle, lead to the angle of adjustment to change, guarantee to carry out the position fixation to the filler piece, be convenient for pack fracture subsides area.
As shown in fig. 9 and 10, the second rotation stopping structure 60 includes a second rotation stopping boss 61 and a second rotation stopping groove 62, the second rotation stopping boss 61 is provided on an inner side wall of the connecting cylinder 40, the second rotation stopping groove 62 is provided on an outer side wall of the driving shaft 21, an extending direction of the second rotation stopping groove 62 is the same as an extending direction of the driving shaft 21, and the second rotation stopping boss 61 extends into the second rotation stopping groove 62 and is in rotation stopping fit with the second rotation stopping groove 62 to synchronously rotate the connecting cylinder 40 and the driving shaft 21. With the above structure, the second rotation stopping boss 61 is arranged on the inner side wall of the connecting cylinder 40, the second rotation stopping groove 62 is arranged on the outer side wall of the driving shaft 21, and the second rotation stopping boss 61 can be in rotation stopping fit with the second rotation stopping groove 62 under the condition that the driving shaft 21 is arranged on the connecting cylinder 40 in a penetrating manner, so that the connecting cylinder 40 and the driving shaft 21 can synchronously rotate, operation control is facilitated, and the angle position of the first rod body 11 is adjusted.
As shown in fig. 11, the reset adjusting device further includes a second hand wheel 70, and the rear end of the second shaft 122 penetrates out of the second cylinder 121 and is connected with the second hand wheel 70. By adopting the structure, the second hand wheel 70 is connected with the second shaft body 122, so that the second hand wheel 70 is conveniently controlled to realize the rotation of the second shaft body 122, and the device has the characteristics of simple driving mode and convenient control.
As shown in fig. 3, the front end of the second rod body 12 is provided with a mounting plate 123, the front end of the mounting plate 123 extends toward the direction approaching the first rod body 11, and the middle part of the sector gear 23 is hinged with the front end of the mounting plate 123. By adopting the structure, the mounting plate 123 is arranged at the front end of the second rod body 12, so that the middle part of the sector gear 23 is hinged with the mounting plate 123, the assembly is facilitated, and the structural reliability and the structural strength of the reset adjusting device are improved.
As shown in fig. 12 and 13, another embodiment of the present invention provides a tibial plateau repositioning tool, which includes a filler block 80 and a repositioning adjustment device 90, where the filler block connecting portion 13 of the repositioning adjustment device 90 is connected to the rear end of the filler block 80, and the repositioning adjustment device 90 is a repositioning adjustment device provided above. By adopting the structure, the filling block connecting part 13 of the resetting adjusting device 90 is not connected with the filling block 80, so that the filling block 80 is convenient to install and fix, the angle position of the filling block 80 can be adjusted through the resetting adjusting device 90, the resetting and filling effects are further realized, the fracture resetting and filling effects when the tibia platform collapses or is defective can be further realized, the resetting adjusting device 90 can realize the angle adjustment, the filling block 80 can be further fixed, the temporary fixing effect can be realized during resetting, the filling block 80 can be ensured to be connected with the tibia, the problem that the resetting effect is poor due to the fact that the local pressure is too large in the nailing process after the resetting can be prevented, the complexity of the follow-up operation can be reduced, and the failure rate of resetting and fixing can be reduced.
As shown in fig. 12 and 13, the packing block 80 includes a sector-shaped column section 83 and a square column section 84, the rear end of the sector-shaped column section 83 is connected to the front end of the square column section 84, and the packing block connecting portion 13 is connected to the rear end of the square column section 84. By adopting the structure, through setting up fan-shaped column section 83 and square column section 84, be connected fan-shaped column section 83 and square column section 84, fan-shaped column section 83 can cover fracture subsidence area to a great extent, and square column section 84 can reserve out and plant the nail fixed space, and filler connecting portion 13 is connected with the rear end of square column section 84, and the filler 80 of being convenient for is fixed with the shin bone platform in fracture subsidence area.
The longitudinal section of the sector-shaped column section 83 has a sector-shaped structure, and the longitudinal section of the square column section 84 has a square-shaped structure.
As shown in fig. 12 and 13, the rear end of the square column section 84 is provided with a screw hole 81, and the filler block connecting portion 13 is connected to the rear end of the filler block 80 through the screw hole 81. By adopting the above structure, the threaded holes 81 are arranged, so that the filling block connecting part 13 and the rear end of the square column section 84 are conveniently connected and fixed, and the resetting and filling effects are conveniently realized.
It should be noted that, the structure of the sector column section 83 is a quarter of a cylindrical shape, so that the sector column section 83 can be matched with the tibia of a human body, the effect of resetting and filling the fracture collapse position is achieved, and the outer surfaces of the sector column section 83 and the square column section 84 are provided with porous bone trabecular structures, so that bone ingrowth is facilitated, and stability can be increased.
As shown in fig. 12 and 13, the rear end of the square column section 84 is provided with a limiting hole 82, and the front end of the first rod body 11 is provided with a limiting block 113 that can be inserted into the limiting hole 82. By adopting the structure, the limit holes 82 are formed in the rear ends of the square column sections 84, the limit blocks 113 are arranged at the front ends of the first rod bodies 11, the limit blocks 113 extend into the limit holes 82 to play a role in positioning, and the filling block connecting parts 13 are guaranteed to be in threaded connection with the threaded holes 81 in the rear ends of the square column sections 84.
The device provided by the embodiment has the following beneficial effects:
(1) Through the mutual cooperation of the rod-shaped piece 10 and the adjusting component 20, the rotation of the driving shaft 21 is controlled, so that the angle adjustment of the first rod body 11 relative to the second rod body 12 can be realized, the position of the filling block can be adjusted, the temporary fixation effect can be realized under the action of the filling block connecting part 13 of the first rod body 11, the filling block can be ensured to reset and fill the fracture collapse area, the problem that the rod-shaped object cannot adjust the position and temporarily fix the filling block is solved, and the filling block and the tibia platform can be ensured to be matched;
(2) The first rotation stopping boss 31 is arranged on the outer side wall of the rotation stopping shaft 1122, the first rotation stopping groove 32 is arranged on the inner side wall of the threaded sleeve 1123, and when the rotation stopping shaft 1122 is penetrated in the threaded sleeve 1123, the first rotation stopping boss 31 and the first rotation stopping groove 32 can be in rotation stopping fit;
(3) The self-locking function can be realized under the cooperation of the second external thread and the second internal thread when the drive connecting cylinder 40 rotates, the operation connecting cylinder 40 can be conveniently operated to rotate, and the locking can be ensured under the action of the second external thread and the second internal thread when the drive connecting cylinder 40 is adjusted to a proper position, so that the axial sliding is prevented from occurring after the adjustment to a certain angle.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A reset adjustment device, characterized in that the reset adjustment device comprises:
a rod-shaped member (10) comprising a first rod body (11) and a second rod body (12) positioned at the rear end of the first rod body (11), wherein the front end of the first rod body (11) is provided with a filling block connecting part (13);
the adjusting assembly (20) comprises a driving shaft (21), a bevel gear (22) and a sector gear (23), wherein the driving shaft (21) is rotatably arranged in the second rod body (12) in a penetrating manner around the axis of the driving shaft, the extending direction of the driving shaft (21) is the same as that of the second rod body (12), the bevel gear (22) is sleeved at the front end of the driving shaft (21), the front end of the sector gear (23) is connected with the rear end of the first rod body (11), the rear end of the sector gear (23) extends towards the direction close to the second rod body (12), the middle part of the sector gear (23) is hinged with the front end of the second rod body (12), a plurality of teeth meshed with the bevel gear (22) are arranged at the rear end of the sector gear (23), and the hinge points of the sector gear (23) and the second rod body (12) are sequentially distributed as circle centers;
the first rod body (11) comprises a first cylinder body (111) and a first shaft body (112) rotatably penetrating the first cylinder body (111);
the second rod body (12) comprises a second cylinder body (121) and a second shaft body (122), the driving shaft (21) is rotatably arranged in the second cylinder body (121) in a penetrating mode, the second shaft body (122) is arranged in the driving shaft (21) in a penetrating mode, and the rear end of the first shaft body (112) is connected with the front end of the second shaft body (122) in a universal mode;
the utility model provides a novel anti-rotation device for the automobile, includes that first axis body (112) includes connecting axle (1121), end pivot (1122) and screw sleeve (1123), the rear end of connecting axle (1121) with the front end universal joint of second axis body (122), the front end of connecting axle (1121) with end pivot (1122) fixed connection, the lateral wall of screw sleeve (1123) is provided with first external screw thread, be provided with on the inside wall of first barrel (111) with first external screw thread matched with first internal screw thread, screw sleeve (1123) are movably overlapped along its axial and are established the outside of end pivot (1122), filler connecting portion (13) set up screw sleeve (1123) front end.
2. The reset adjusting device according to claim 1, wherein the front end of the sector gear (23) is connected with the rear end of the first cylinder (111), the middle part of the sector gear (23) is hinged with the second cylinder (121), and the filling block connecting part (13) is a threaded structure arranged at the front end of the first shaft body (112).
3. The reset adjustment device of claim 2, characterized in that a first rotation stopping structure (30) is provided between the threaded sleeve (1123) and the first shaft body (112) to limit rotation of the threaded sleeve (1123) relative to the rotation stopping shaft (1122).
4. A reset adjustment device according to claim 3, characterized in that the first rotation stopping structure (30) comprises:
a first rotation stopping boss (31) arranged on the outer side wall of the rotation stopping shaft (1122);
the first rotation stopping groove (32) is formed in the inner side wall of the threaded sleeve (1123), the extending direction of the first rotation stopping groove (32) is the same as that of the threaded sleeve (1123), and the first rotation stopping boss (31) stretches into the first rotation stopping groove (32) and is in rotation stopping fit with the first rotation stopping groove (32).
5. The reset adjusting device according to claim 1, further comprising a connecting cylinder (40) and a first hand wheel (50), wherein the front end of the connecting cylinder (40) is penetrated into the second rod body (12), the rear end of the connecting cylinder (40) penetrates out of the second rod body (12) and is connected with the first hand wheel (50), the rear end of the driving shaft (21) is penetrated into the connecting cylinder (40), and a second rotation stopping structure (60) is arranged between the driving shaft (21) and the connecting cylinder (40) so as to enable the connecting cylinder (40) and the driving shaft (21) to synchronously rotate.
6. The reset adjusting device of claim 5, wherein the reset adjusting device comprises a reset control circuit,
the outer side wall of the connecting cylinder (40) is provided with a second external thread, and the inner side wall of the second rod body (12) is correspondingly provided with a second internal thread matched with the second external thread; and/or the number of the groups of groups,
the second rotation stopping structure (60) comprises a second rotation stopping boss (61) and a second rotation stopping groove (62), the second rotation stopping boss (61) is arranged on the inner side wall of the connecting cylinder (40), the second rotation stopping groove (62) is arranged on the outer side wall of the driving shaft (21), the extending direction of the second rotation stopping groove (62) is the same as that of the driving shaft (21), and the second rotation stopping boss (61) stretches into the second rotation stopping groove (62) and is matched with the second rotation stopping groove (62) in a rotation stopping mode, so that the connecting cylinder (40) and the driving shaft (21) synchronously rotate.
7. The reset adjustment device according to claim 1, characterized in that the reset adjustment device further comprises a second hand wheel (70), the rear end of the second shaft body (122) penetrating out of the second cylinder body (121) and being connected with the second hand wheel (70).
8. The reset adjusting device according to claim 1, wherein a front end of the second rod body (12) is provided with a mounting plate (123), the front end of the mounting plate (123) extends toward a direction approaching the first rod body (11), and a middle part of the sector gear (23) is hinged with the front end of the mounting plate (123).
9. A tibial plateau reduction tool, the tibial plateau reduction tool comprising:
a filler block (80);
a reset adjusting device (90), wherein a filling block connecting part (13) of the reset adjusting device (90) is connected with the rear end of the filling block (80), and the reset adjusting device (90) is a reset adjusting device according to any one of claims 1 to 8.
10. The tibial plateau reduction tool of claim 9, wherein the filler block (80) includes a scalloped post section (83) and a square post section (84), a rear end of the scalloped post section (83) is connected to a front end of the square post section (84), and the filler block connection (13) is connected to a rear end of the square post section (84).
11. The tibial plateau reduction tool of claim 10, wherein,
the rear end of the square column section (84) is provided with a threaded hole (81), and the filling block connecting part (13) is connected with the rear end of the square column section (84) through the threaded hole (81); and/or the number of the groups of groups,
the rear end of the square column section (84) is provided with a limiting hole (82), and the front end of the first rod body (11) is provided with a limiting block (113) which can be inserted into the limiting hole (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310393912.9A CN116098693B (en) | 2023-04-13 | 2023-04-13 | Reset adjusting device and tibia platform reset tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310393912.9A CN116098693B (en) | 2023-04-13 | 2023-04-13 | Reset adjusting device and tibia platform reset tool with same |
Publications (2)
| Publication Number | Publication Date |
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| CN116098693A CN116098693A (en) | 2023-05-12 |
| CN116098693B true CN116098693B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310393912.9A Active CN116098693B (en) | 2023-04-13 | 2023-04-13 | Reset adjusting device and tibia platform reset tool with same |
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| DE19841651A1 (en) * | 1998-09-11 | 2000-03-30 | Aesculap Ag & Co Kg | Repositioning instrument for surgical ingress, especially for endoscopic surgery, has device for pivoting head from extended position aligned with holder into angled position with respect to holder |
| CN112998789A (en) * | 2020-12-02 | 2021-06-22 | 苏州法兰克曼医疗器械有限公司 | Intracavity cutting anastomat with larger rotation angle |
| CN215606596U (en) * | 2021-07-07 | 2022-01-25 | 武汉联影智融医疗科技有限公司 | Tibial prosthesis fixation system |
| CN114366276A (en) * | 2022-01-29 | 2022-04-19 | 中国人民解放军中部战区总医院 | Minimally invasive resetting device for collapse fracture block of vertically telescopic tibial platform |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070043376A1 (en) * | 2003-02-21 | 2007-02-22 | Osteobiologics, Inc. | Bone and cartilage implant delivery device |
| US8784404B2 (en) * | 2009-06-29 | 2014-07-22 | Carefusion 2200, Inc. | Flexible wrist-type element and methods of manufacture and use thereof |
| US9066814B2 (en) * | 2010-08-02 | 2015-06-30 | Ulrich Medical Usa, Inc. | Implant assembly having an angled head |
| US9808354B2 (en) * | 2014-01-17 | 2017-11-07 | Stryker European Holdings I, Llc | Implant insertion tool |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19841651A1 (en) * | 1998-09-11 | 2000-03-30 | Aesculap Ag & Co Kg | Repositioning instrument for surgical ingress, especially for endoscopic surgery, has device for pivoting head from extended position aligned with holder into angled position with respect to holder |
| CN112998789A (en) * | 2020-12-02 | 2021-06-22 | 苏州法兰克曼医疗器械有限公司 | Intracavity cutting anastomat with larger rotation angle |
| CN215606596U (en) * | 2021-07-07 | 2022-01-25 | 武汉联影智融医疗科技有限公司 | Tibial prosthesis fixation system |
| CN114366276A (en) * | 2022-01-29 | 2022-04-19 | 中国人民解放军中部战区总医院 | Minimally invasive resetting device for collapse fracture block of vertically telescopic tibial platform |
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| Publication number | Publication date |
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| CN116098693A (en) | 2023-05-12 |
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