CN108523982A - A kind of traction resetting apparatus used in radius complicated fracture reattachment surgery - Google Patents

Abstract

A kind of traction resetting apparatus used in radius complicated fracture reattachment surgery, including first connecting rod, second connecting rod, fingerstall, column, micro-adjusting mechanism and regulating mechanism, column is arranged two, the top You Transverse columns of two columns connect, micro-adjusting mechanism is set on Transverse columns, first connecting rod is hinged with second connecting rod, regulating mechanism is arranged in its hinged end, micro-adjusting mechanism can be adjusted traction dynamics with regulating mechanism, and the present invention is provided with hanging ring, hanging ring can hang in height vertical use, in a word, the configuration of the present invention is simple, it can be in level, vertical direction conversion uses, suitable for industrialized production.

Description

A retraction reduction device used in the reduction operation of complex fractures of the radius

technical field

The invention provides a fracture retraction resetter, in particular a retraction resetter used in radial complex fracture reduction operation, which belongs to the technical field of medical instruments.

Background technique

With the development of internal fixation technology and the improvement of people's requirements for the recovery of wrist joint function, in recent years, patients with complex fractures of the distal radius tend to be treated with open reduction and internal fixation in order to obtain strong fixation of the fracture and early functional exercise. In order to make it easier for the operator to perform operations such as reduction and solidification of the fracture, at least two assistants are often required to resist traction on the affected limb. In addition, due to the difficulty in grasping the distal end of the affected limb, it is difficult for assistants to perform effective traction, and the duration of traction is limited. The above factors increase the difficulty of the operation and easily lead to poor fracture reduction, which greatly affects the function of the affected limb after operation. In order to save manpower and improve traction effect, we designed this retractor.

Contents of the invention

Aiming at the defects of the prior art, the present invention provides a distraction reducer for complex fractures of the distal radius. The reducer has a simple structure, can perform continuous traction on the distal radius and can precisely adjust the traction force; in addition, it can also It can be used in both horizontal and vertical directions depending on the surgical orientation.

Technical problem described in the present invention is solved by following technical scheme:

A distraction reduction device used in complex radial fracture reduction surgery, the reducer includes a radius positioning part, a fingertip positioning part and a distraction force adjustment part, the radius positioning part includes a sleeve and a Kirschner wire, the The Kirschner wires are arranged inside the sleeve, and the sleeve is provided with fastening nuts for fastening the Kirschner wires; the retraction force adjustment part includes a first connecting rod, a second connecting rod, a column and a fine-tuning mechanism. There are two upright columns, and the tops of the two upright columns are connected into one body through a horizontal column; the lower parts of the two upright columns are each hinged with a second connecting rod, and the two second connecting rods are arranged in parallel, and the other end of the second connecting rod is connected to the The first connecting rods are hinged together; the end of the first connecting rod is connected with the sleeve, and the fine-tuning mechanism is arranged on the horizontal column; sleeve, the other end is connected to the fine-tuning mechanism.

In the above-mentioned distraction reduction device used in the complex radial fracture reduction operation, the distraction force adjustment part also includes an adjustment mechanism, and the adjustment mechanism includes a sliding sleeve and a fixed latch. The sliding sleeve is arranged on the first connecting rod, and the second connecting rod Hinged on the sliding sleeve sleeved on the first connecting rod, the first connecting rod is provided with several through holes, and fixed bolts with matching sizes are arranged in the through holes.

The retraction reduction device used in the complex radial fracture reduction operation described above, the fine-tuning mechanism includes a rotating rod, a traction column and a slider, the rotating rod passes through the horizontal column and is fixedly connected to the traction column, and the traction column is provided with a helical Groove, the size matching slider is set in the helical groove.

The retraction reduction device used in the complex radial fracture reduction operation mentioned above adds a fixed frame, the fixed frame includes a fixed rod and a fixed cross bar, two fixed rods are provided, and the two fixed rods are arranged on the horizontal column in parallel. The fixed rod is connected to the fixed cross bar through the fixed post, the fixed cross bar is respectively perpendicular to the two fixed rods, and the fixed cross bar is connected to the slider through the connecting post.

In the retraction reduction device used in the complex fracture reduction operation of the radius, two velcros are arranged on the finger cuffs. The two velcros are arranged side by side and can rotate around the finger cuffs. The length of the velcros is 3-5cm.

The retraction reduction device used in the complex radial fracture reduction operation mentioned above is equipped with a traction rod, which is slidably connected with the fixed rod. There is a slideway inside the fixed rod. The outer end surface of the traction column is provided with a groove, and a rotating head is arranged in the groove, and the rotating head is fixedly connected with the traction rod

In the aforementioned distraction reduction device used in the reduction operation of complex radial fractures, the spiral groove goes around the traction column to form a spiral closed continuous curve.

In the retraction reduction device used in the reduction operation of complex radial fractures, a horizontal column is added in the middle of the two columns, and bases are respectively installed at the bottom of the two columns.

In the aforementioned distraction reduction device used in the reduction operation of complex radial fractures, a suspension ring is provided at the intersection of the upright column and the horizontal column.

In the retraction reduction device used in the complex radial fracture reduction operation described above, the traction rope is divided into three sections, the middle section is divided into one strand, one side of the finger cuff is divided into four strands, and four finger cuffs are respectively connected, and the other end is divided into two strands. Connect both ends of the tow bar respectively.

The present invention has the following advantages:

The invention includes a radius positioning part, a fingertip positioning part and a distraction strength adjustment part, and provides a relatively reliable force application point for the fine-tuning mechanism through the radius positioning and the fingertip positioning. When it is necessary to adjust the dynamics of retracting the radius, the dynamics fine-tuning mechanism of the present invention is used to adjust. The present invention is provided with two mechanisms of coarse adjustment and fine adjustment, the coarse adjustment can be quickly put in place, and the fine adjustment provides doctors with a more accurate choice, so that the traction effect can reach the most ideal state quickly and accurately. For the reduction of complex fractures, the retraction strength can be finely adjusted at any time to adapt to the different strengths that need to be retracted during the operation. The present invention sets the suspension ring and the base. When the patient's operation requires the arm to be placed horizontally, the base is placed on the operating table. The present invention resets The device can be used horizontally; when the patient's operation requires the arm to be placed vertically, the suspension ring is suspended at a high place, and the reset device of the present invention can be used vertically, which facilitates the doctor's operation. In a word, the present invention can realize conversion and use in both horizontal and vertical directions.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the use state of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention;

Fig. 3 is a top view structural schematic diagram of the fine-tuning mechanism of the present invention;

Fig. 4 is a schematic diagram of the structure of the fine-tuning mechanism A-A of the present invention;

Fig. 5 is the B-B structural schematic diagram of fine-tuning mechanism of the present invention;

Fig. 6 is a schematic diagram of laying the traction column of the present invention;

Fig. 7 is a schematic diagram of the structure of the fingertip of the present invention;

Fig. 8 is a schematic diagram of the adjustment mechanism of the present invention.

Each label in the figure represents respectively: 1, Kirschner wire, 2, sleeve, 3, first connecting rod, 4, second connecting rod, 5, fine-tuning mechanism, 6, finger cot, 7, traction rope, 8, Adjusting mechanism, 9, fixed bolt, 10, sliding sleeve, 11, fastening nut, 12, column, 13, base, 14, horizontal column, 15, rotating rod, 16, traction column, 17, spiral groove, 18, sliding Block, 19, fixed rod, 20, fixed cross bar, 21, fixed column, 22, connecting column, 23, suspension ring, 24, Velcro, 25, through hole, 26, slideway, 27, draw bar, 28, concave Groove, 29, turning head.

Detailed ways

Referring to accompanying drawings 1 and 2, the reducer of the present invention includes a radial positioning part, a fingertip positioning part and a retraction force adjustment part, and the radial positioning part includes a sleeve 2 and a Kirschner wire 1, and the Kirschner wire 1 is arranged on Inside the sleeve 2, a fastening nut 11 for fastening the Kirschner wire 1 is arranged on the sleeve 2; , two columns 12 are provided, and the tops of the two columns 12 are connected into one body through a cross column 14; the lower half of the two columns 12 are each hinged with a second connecting rod 4, and the two second connecting rods 4 are arranged in parallel, The other end of the second connecting rod 4 is hinged with the first connecting rod 3; the end of the first connecting rod 3 is connected with the sleeve 2, and the fine-tuning mechanism 5 is arranged on the cross column 14; the finger end positioning part It includes a finger cot and a traction rope, one end of the traction rope is connected to the finger cot, and the other end is connected to a fine-tuning mechanism.

Referring to accompanying drawings 2 and 8, the traction strength adjustment part also includes an adjustment mechanism 8, the adjustment mechanism 8 includes a sliding sleeve 10 and a fixed latch 9, the sliding sleeve 10 is arranged on the first connecting rod 3, and the second connecting rod 4 is hinged on On the sliding sleeve 10 sheathed on the first connecting rod 3 , several through holes 25 are provided on the first connecting rod 3 , and fixed latches 9 with matching sizes are arranged in the through holes 25 . Adjust the angle between the first connecting rod 3 and the second connecting rod 4 to a suitable position, insert the fixed latch 9 into the through hole, fix the position of the first connecting rod 3 and the second connecting rod 4, and realize the alignment The retracting movement of cover 6 is to adjust the retracting length of the retractor.

Referring to accompanying drawing 3, described fine-tuning mechanism 5 comprises rotating rod 15, traction column 16 and slide block 18, and described rotating rod 15 passes through cross column 14 and is fixedly connected with traction column 16, and described traction column is provided with spiral groove 17, A slide block 18 of matching size is arranged in the spiral groove 17 , and the ground of the slide block 18 is hemispherical to reduce friction with the spiral groove 17 . The spiral groove 17 circles around the traction column 16 to form a spiral closed continuous curve. Turn the rotating rod 15, and the slide block 18 moves along the track of the spiral groove 17. Because the position of the sliding block 18 is fixed, after the rotating rod 15 rotates, the traction column 16 moves left and right, and the pitch of the traction column 16 is large. The moving distance is very small, and the pulling speed is uniform. Through manual rotation, the observation of the moving speed is amplified to complete the precise fine-tuning of the device.

Set up draw bar 27, draw bar 27 is connected with fixed bar 19 slidingly, the inboard of fixed bar 19 is provided with slideway 26, and draw bar 27 is arranged in slideway 26, matches with slideway 26 sizes, and the outside of described draw post 16 The end face is provided with a groove 28, and a rotating head 29 is arranged in the groove 28, and the rotating head 29 is fixedly connected with the draw bar 27. The additional draw bar 27 prevents the draw rope 7 from knotting as the draw post 16 rotates and moves.

Referring to accompanying drawing 3,4,5, set up fixed frame, fixed frame is used for fixing the position of slide block 18, and described fixed frame comprises fixed bar 19 and fixed cross bar 20, and described fixed bar 19 is provided with two, two fixed Rod 19 is arranged in parallel on cross column 14, and fixed bar 19 connects fixed cross bar 20 through fixed post 21, and fixed cross bar 20 is perpendicular to two fixed bars 19 respectively, and fixed cross bar 20 connects slide block 18 through connecting post 22, and fixed horizontal bar The rod 20 is screwed to the connecting column 22 .

Referring to accompanying drawing 7, described fingertip 6 is provided with two Velcro 26, and one side of Velcro is small and soft fiber, round hair, and the other side is the bristle of harder band hook, two sides are interlocked, when subject to certain horizontal force Under the circumstances, the elastic hook is straightened, loosened from the velvet loop and opened, and then restores the original hook shape, which can be opened and closed repeatedly up to 10,000 times. Two velcros 26 are arranged side by side up and down, wrap around two phalanxes of finger respectively, and two velcros 26 can rotate around finger cot 6, the length of velcro 26 is 3-5cm, and velcro is used for winding finger cot 6, makes The finger cot 6 tightly wraps the finger,

Referring to accompanying drawing 2, described two upright columns 12 middle parts add cross column to make the base of the present invention more stable, two upright columns 12 bottoms are provided with base 13 respectively. The intersection of described upright post 12 and cross post 14 is provided with suspension ring 23, when needing finger vertical placement, when upward traction palm, suspension ring 23 is hung on high place, makes the present invention place vertically, can upward traction palm.

Referring to accompanying drawings 1 and 2, the traction rope 7 is divided into three sections, the middle section is one, and one side of the fingertip 6 is divided into four strands, which are respectively connected to 4 fingertips, and the other end is divided into two strands, which are connected to the drawbar 27 respectively. ends.

When the present invention is in use, a Kirschner wire 1 is inserted into the two ends of the radius respectively, two Kirschner wires 1 are arranged in parallel, the base 13 is placed on the operating board, the sleeve 2 is covered with the Kirschner wire, and the first connecting rod 3 and the first connecting rod are adjusted. After the angle between the second connecting rods 4 reaches a suitable position, the fixed bolt 9 is inserted into the through hole, and then the finger cot 6 is tightly wrapped; after that, the rotating rod 15 is rotated, and the traction column 16 moves left and right, and is tightened. After the traction rope 7 reaches a suitable position, the slide block 18 is tightened to fix the position of the traction column 16, thereby effectively and continuously pulling the fracture end. When the fingers need to be lifted vertically, the suspension ring 23 is suspended at a high place, and the present invention can be used in horizontal and vertical directions.

Claims (10)

1. A distraction reduction device used in radial complex fracture reduction surgery, characterized in that, the reducer includes a radial positioning part, a fingertip positioning part and a retraction force adjustment part, and the radial positioning part includes a sleeve (2) and the Kirschner wire (1), the Kirschner wire (1) is set inside the sleeve (2), and the sleeve (2) is provided with a fastening nut for fastening the Kirschner wire (1) ( 11); the retraction force adjustment part includes a first connecting rod (3), a second connecting rod (4), a column (12) and a fine-tuning mechanism (5), and the column (12) is provided with two, two The tops of the upright columns (12) are connected into one body through the cross columns (14); the lower half of the two upright columns (12) are each hinged with a second connecting rod (4), and the two second connecting rods (4) are arranged in parallel. The other end of the second connecting rod (4) is hinged with the first connecting rod (3); the end of the first connecting rod (3) is connected with the sleeve (2), and the fine-tuning mechanism (5) is set on the horizontal column On (14); the fingertip positioning part includes a finger cover (6) and a traction rope (7), one end of the traction rope (7) is connected to the finger cover (6), and the other end is connected to the fine-tuning mechanism (5). 2. A distraction reduction device used in complex radial fracture reduction surgery according to claim 1, characterized in that the distraction force adjustment part also includes an adjustment mechanism (8), and the adjustment mechanism (8) includes a sliding sleeve (10) and the fixed latch (9), the sliding sleeve (10) is set on the first connecting rod (3), and the second connecting rod (4) is hinged on the sliding sleeve sleeved on the first connecting rod (3) (10), the first connecting rod (3) is provided with several through holes (25), and the through holes (25) are provided with fixed latches (9) of matching size. 3. A distraction reduction device used in complex radial fracture reduction surgery according to claim 2, characterized in that the fine-tuning mechanism (5) includes a rotating rod (15), a traction column (16) and a sliding block (18), the rotating rod (15) passes through the horizontal column (14) and is fixedly connected to the traction column (16), and the traction column is provided with a spiral groove (17), and a matching size is set in the spiral groove (17). slider (18). 4. The retraction reduction device used in complex radial fracture reduction surgery according to claim 3, characterized in that a fixing frame is added, and the fixing frame includes a fixing rod (19) and a fixing cross bar (20) , two fixed rods (19) are provided, and the two fixed rods (19) are arranged in parallel on the horizontal column (14), the fixed rod (19) is connected to the fixed horizontal rod (20) through the fixed column (21), and the fixed horizontal The rods (20) are respectively perpendicular to the two fixed rods (19), and the fixed cross rods (20) are connected to the sliders (18) through the connecting columns (22). 5. A distraction reduction device used in complex radial fracture reduction surgery according to claim 4, characterized in that two Velcro (24) are arranged on the finger cot (6), two Velcro (24) are arranged side by side, and can rotate around finger cot (6), and the length of Velcro (24) is 3-5cm. 6. A distraction reduction device used in complex radial fracture reduction surgery according to claim 5, characterized in that a traction rod (27) is added, and the traction rod (27) is slidably connected with the fixation rod (19), The inner side of the fixed rod (19) is provided with a slideway (26), and the drawbar (27) is arranged in the slideway (26) to match the size of the slideway (26). A groove (28), the groove (28) is provided with a rotating head (29), and the rotating head (29) is fixedly connected with the drawbar (27). 7. The distraction reduction device used in the complex radial fracture reduction operation according to claim 6, characterized in that, the spiral groove (17) circles around the traction column (16) to form a spiral closed continuous curve . 8. A distraction reduction device used in complex radial fracture reduction surgery according to claim 7, characterized in that a horizontal column is added in the middle of the two columns (12), and bases are respectively installed at the bottom of the two columns (12) (13). 9 . The distraction reduction device used in the complex radial fracture reduction operation according to claim 8 , characterized in that a suspension ring ( 23 ) is provided at the intersection of the upright column ( 12 ) and the transverse column ( 14 ). 10. A distraction reduction device used in complex radial fracture reduction surgery according to claim 9, characterized in that the traction rope (7) is divided into three sections, the middle section is one, and the finger cot (6) One side is divided into four strands, connects 4 finger cots respectively, and the other end is divided into two strands, respectively connects the two ends of traction bar (27).