CN113081216B

CN113081216B - Distal radius fracture distraction reduction system

Info

Publication number: CN113081216B
Application number: CN202110463720.1A
Authority: CN
Inventors: 夏胜利
Original assignee: Zhoupu Hospital Pudong New Area Shanghai (zhoupu Hospital Affiliated To Shanghai Medical College)
Current assignee: Zhoupu Hospital Pudong New Area Shanghai (zhoupu Hospital Affiliated To Shanghai Medical College)
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2024-11-26
Anticipated expiration: 2041-04-27
Also published as: CN113081216A

Abstract

The invention discloses a radius distal fracture distraction reduction system which comprises a distractor, wherein the front end of the distractor is fixedly connected with two connecting bar blocks, the rear end of the distractor is connected with a limiting rack, the inside of the distractor is connected with an elastic sheet, the lower end surfaces of the tops of the two connecting bar blocks are fixedly connected with sleeves, sleeve rods are all connected in the two sleeves in an adjustable manner, the front surface and the rear surface of the lower end of the left sleeve rod are all fixedly connected with fixing blocks, the right surface of the lower end of the right sleeve rod is fixedly connected with a jacking block, locking steel plates are arranged below the two sleeve rods, and the upper surfaces of the locking steel plates are connected with distraction piles in a screwed manner. The invention has ingenious design, can prop open and reset the fractured radius, is rapid to operate, can adjust the height of the sleeve rod, is convenient for the rapid operation, relieves the pain of patients, improves the treatment effect, and is worth popularizing.

Description

Radius distal end fracture struts reset system

Technical Field

The invention relates to the technical field of a distraction reduction system, in particular to a distraction reduction system for distal radius fracture.

Background

Complex distal radius fractures, particularly unstable C2 fractures with metaphyseal palmar cortical comminution, remain extremely challenging for trauma orthopedics, where fracture fractures are extremely unstable due to lack of effective support, where loss of volar dip and ulnar angle is evident, with height shortening of radius and difficulty in joint face collapse recovery, there is currently no good way to distract and reposition the proximal distal end of the radius fracture at the time of surgery, which not only reduces cure rate, but also is cumbersome to operate, time and effort consuming, and can cause pain in patient's post-operative joint movements, and in view of the above drawbacks we propose a distal radius fracture distraction reduction system to solve the above problems.

Disclosure of Invention

Object of the invention

In order to solve the technical problems in the background art, the proximal and distal ends of the radius fracture cannot be distracted and reset, so that the cure rate is reduced, the operation is very troublesome, time and labor are wasted, and the pain of the joint movement of a patient after operation can be caused.

(II) technical scheme

The invention provides a radius distal fracture distraction reduction system which comprises a distractor, wherein the front end of the distractor is fixedly connected with two connecting bar blocks, the rear end of the distractor is connected with a limiting rack, the inside of the distractor is connected with elastic sheets, the lower end surfaces of the tops of the two connecting bar blocks are fixedly connected with sleeves, sleeve rods are all connected in the sleeves in an adjustable manner, the front surface and the rear surface of the lower end of each sleeve rod on the left side are fixedly connected with fixing blocks, the right surface of the lower end of each sleeve rod on the right side is fixedly connected with a jacking block, locking steel plates are arranged below the two sleeve rods, the upper surfaces of the locking steel plates are connected with distraction piles in a screwed mode, the distraction piles are located at the right ends of the jacking blocks, inner grooves which are transversely arranged are formed in the upper ends of the two sleeve rods, connecting plates which are vertically arranged are all fixedly connected with the middle parts of the two inner grooves, the front surface and the rear surface of each connecting plate are fixedly connected with telescopic rods, and the two pairs of the front surfaces and the rear surfaces of the telescopic rods, which are far away from each other, respectively.

Preferably, the front and rear surfaces of the two sleeves are provided with a plurality of limiting holes, and one ends of the two pairs of telescopic rods, which are far away from each other, respectively penetrate through one of the limiting holes on the front and rear surfaces of the two sleeves.

Preferably, the outer circumferential surfaces of the two pairs of telescopic rods are fixedly sleeved with limiting lantern rings, and springs positioned on the outer sides of the two pairs of telescopic rods are sleeved on one sides, close to each other, of the left and right pairs of limiting lantern rings.

Preferably, the left and right pairs of limiting lantern rings are fixedly connected with connecting blocks at the ends, away from each other, of the limiting lantern rings, limiting grooves are formed in the surfaces, away from each other, of the sleeve rods, and the left and right pairs of connecting blocks penetrate through the left and right pairs of limiting grooves respectively.

Preferably, two through grooves which are vertically arranged are formed in the surfaces, away from each other, of the two sleeves, and the left and right pairs of connecting blocks respectively penetrate through the left and right pairs of through grooves.

Preferably, through holes are formed in the upper surfaces of the two fixing blocks, kirschner wires are inserted in the two through holes in a penetrating mode, and the upper ends of the Kirschner wires on the front side penetrate through the upper surfaces of the connecting strip blocks on the left side.

Preferably, a plurality of threaded holes are formed in the upper surface of the right side of the locking steel plate.

Compared with the prior art, the invention has the beneficial effects that:

The two telescopic rods are driven to be mutually separated by the holding spreader, the two sleeve rods are driven to be mutually separated, the pushing block is driven to be moved rightwards when the sleeve rod on the right side is moved rightwards, the pushing block is driven to be moved rightwards to push the spreading piles to be rightwards so as to spread the fracture near-far end, the fracture near-far end is reset by loosening the spreader, the two telescopic rods are driven to be mutually separated from the two limiting holes by mutually approaching and pinching the two connecting blocks, the sleeve rods are then moved upwards or downwards, the two connecting blocks are released after the proper height is adjusted, and the two telescopic rods are inserted into the corresponding two limiting holes again to be fixed under the elasticity of the two springs.

Drawings

Fig. 1 is a schematic perspective view of a distal radius fracture distraction reduction system according to the present invention;

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

FIG. 3 is a cross-sectional view of a sleeve in a distal radius fracture distraction reduction system in accordance with the present invention;

Fig. 4 is a cross-sectional view of a loop bar in a distal radius fracture distraction reduction system according to the present invention;

fig. 5 is an enlarged view at B in fig. 4.

In the figure: the device comprises a spreader 1, a limiting rack 2, an elastic sheet 3, a connecting bar 4, a sleeve 5, a sleeve 6, a through groove 7, a connecting block 8, a Kirschner wire 9, a fixing block 10, a jacking block 11, a supporting pile 12, a locking steel plate 13, an inner groove 14, a connecting plate 15, a telescopic rod 16, a limiting sleeve ring 17, a spring 18 and a limiting hole 19.

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.

As shown in fig. 1-5, the distal radius fracture distraction reduction system provided by the invention comprises a distractor 1, wherein the front end of the distractor 1 is fixedly connected with two connecting bar blocks 4, the rear end of the distractor 1 is connected with a limiting rack 2, the inside of the distractor 1 is connected with an elastic sheet 3, the lower end surfaces of the tops of the two connecting bar blocks 4 are fixedly connected with sleeves 5, sleeve rods 6 are all connected in the two sleeves 5 in an adjustable manner, the front surface and the rear surface of the lower end of the left sleeve rod 6 are all fixedly connected with fixing blocks 10, the right surface of the lower end of the right sleeve rod 6 is fixedly connected with a jacking block 11, locking steel plates 13 are arranged below the two sleeve rods 6, and a plurality of threaded holes are formed in the upper surface of the right side of the locking steel plates 13.

The upper surface spiro union of locking steel sheet 13 has struts stake 12, struts the right-hand member that stake 12 is located top open piece 11, and horizontal inside 14 that set up have all been seted up of the upper end of two loop bars 6, the connecting plate 15 of the vertical setting of the equal fixedly connected with in middle part of two inside grooves 14, the front and back surface of two connecting plates 15 all fixedly connected with telescopic link 16, the front and back surface of loop bar 6 is run through respectively to the one end that two pairs of telescopic links 16 keep away from each other.

The front and back surfaces of two sleeves 5 all have seted up a plurality of spacing holes 19, the one end that two pairs of telescopic links 16 kept away from each other runs through one of them spacing hole 19 of the front and back surfaces of two sleeves 5 respectively, the outer periphery of two pairs of telescopic links 16 has all fixedly sleeved spacing lantern rings 17, the one side that two pairs of spacing lantern rings 17 are close to each other all overlaps and is equipped with the spring 18 that is located two pairs of telescopic links 16 outsides, the one end that two pairs of spacing lantern rings 17 kept away from each other all fixedly connected with connecting block 8, the spacing groove has all been seted up on the surface that two loop bars 6 kept away from each other, two pairs of connecting blocks 8 run through two pairs of spacing grooves about respectively, two vertical logical groove 7 that set up have all been seted up on the surface that two sleeves 5 kept away from each other, two pairs of connecting blocks 8 run through two pairs of logical groove 7 about respectively.

Through holes are formed in the upper surfaces of the two fixing blocks 10, kirschner wires 9 are inserted in the two through holes in a penetrating mode, and the upper ends of the Kirschner wires 9 on the front side penetrate through the upper surface of the left connecting strip block 4.

Working principle: the right end of the locking steel plate 13 is fixed at the far end of the fracture by the screw, so that not only the crushed far end fracture is integrated, but also the far end of the fracture is integrated with the locking steel plate 13, the bottom ends of the two Kirschner wires 9 are fixed at the near end of the fracture by screwing the supporting piles 12 on the upper surface of the right side of the locking steel plate 13, the two connecting bar blocks 4 are opened by holding the supporting device 1, thereby driving the two sleeves 5 to be far away from each other, the two sleeves 5 to be far away from each other can drive the two loop bars 6 to be far away from each other, because the two Kirschner wires 9 are fixed with the fixed blocks 10 at the front end and the rear end of the left loop bar 6, the bottom ends of the two Kirschner wires 9 are fixed at the near end of the fracture, and the right loop bar 6 can drive the supporting block 11 to move rightwards when moving rightwards, the pushing-open block 11 moves rightwards to push the opening pile 12 to move rightwards, because the opening pile 12 is fixedly connected with the right end of the locking steel plate 13, the locking steel plate 13 is fixedly connected with a fracture part at the far end, so that the pushing-open block 11 moves rightwards to push the opening pile 12 to move rightwards to open the fracture near-far end, the opening device 1 is loosened to reset the fracture near-far end, the height of the sleeve rod 6 can be adjusted according to the requirement, the two connecting blocks 8 are mutually close to each other to pinch the two telescopic rods 16 to drive the two telescopic rods 16 to mutually close to and separate from the two limiting holes 19, then the sleeve rod 6 is moved upwards or downwards, the two connecting blocks 8 are released after the proper height is adjusted, and the two telescopic rods 16 are inserted into the corresponding two limiting holes 19 again to be fixed under the elasticity of the two springs 18.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A distraction and reduction system for distal radius fracture, comprising a distractor (1), characterized in that the front end of the distractor (1) is fixedly connected to two connecting strips (4), the rear end of the distractor (1) is connected to a limit rack (2), the interior of the distractor (1) is connected to an elastic sheet (3), the top lower end surfaces of the two connecting strips (4) are fixedly connected to sleeves (5), the two sleeves (5) are adjustably connected to sleeve rods (6), the front and rear surfaces of the lower end of the left sleeve rod (6) are fixedly connected to a fixing block (10), and the right surface of the lower end of the right sleeve rod (6) is fixedly connected to a fixing block (10). A top opening block (11), a locking steel plate (13) is arranged below the two sleeve rods (6), a support pile (12) is screwed to the upper surface of the locking steel plate (13), and the support pile (12) is located at the right end of the top opening block (11), and a transversely arranged inner groove (14) is opened inside the upper ends of the two sleeve rods (6), and a vertically arranged connecting plate (15) is fixedly connected to the middle of the two inner grooves (14), and the front and rear surfaces of the two connecting plates (15) are fixedly connected to telescopic rods (16), and the ends of the two pairs of telescopic rods (16) that are away from each other respectively penetrate the front and rear surfaces of the sleeve rods (6);

A plurality of limiting holes (19) are provided on the front and rear surfaces of the two sleeves (5), and the ends of the two pairs of telescopic rods (16) that are away from each other respectively penetrate one of the limiting holes (19) on the front and rear surfaces of the two sleeves (5);

The outer circumferential surfaces of the two pairs of telescopic rods (16) are fixedly sleeved with limiting collars (17), and the sides of the two pairs of limiting collars (17) close to each other are sleeved with springs (18) located outside the two pairs of telescopic rods (16);

The ends of the two pairs of limit rings (17) away from each other are fixedly connected to a connecting block (8), and the surfaces of the two sleeve rods (6) away from each other are provided with limit grooves, and the two pairs of connection blocks (8) respectively penetrate the two pairs of limit grooves.

2. A distal radius fracture distraction and reduction system according to claim 1, characterized in that two vertically arranged through grooves (7) are provided on surfaces of the two sleeves (5) that are away from each other, and the left and right pairs of connecting blocks (8) respectively penetrate the left and right pairs of through grooves (7).

3. A distal radius fracture distraction and reduction system according to claim 1, characterized in that the upper surfaces of the two fixing blocks (10) are each provided with a through hole, and Kirschner wires (9) are inserted through the two through holes, and the upper end of the front Kirschner wire (9) passes through the upper surface of the left connecting strip block (4).

4. A distal radius fracture distraction and reduction system according to claim 1, characterized in that a plurality of threaded holes are provided on the right upper surface of the locking steel plate (13).