CN214595977U - Clavicle fracture closed reduction device - Google Patents
Clavicle fracture closed reduction device Download PDFInfo
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- CN214595977U CN214595977U CN202022999243.4U CN202022999243U CN214595977U CN 214595977 U CN214595977 U CN 214595977U CN 202022999243 U CN202022999243 U CN 202022999243U CN 214595977 U CN214595977 U CN 214595977U
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- clavicle
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Abstract
The utility model discloses a clavicle fracture closed reduction device, which comprises a main frame, a fixing mechanism and an adjusting mechanism which are respectively arranged at two ends of the main frame, and a reduction mechanism which is movably arranged on the main frame; the adjusting mechanism is connected with the main frame in a sliding mode and used for fixing the far end of the clavicle at the affected side, the fixing mechanism is fixedly connected with the main frame and used for fixing the near end of the clavicle at the healthy side, the adjusting mechanism slides to enable the far end of the clavicle at the affected side to reset, and the resetting mechanism is used for correcting the position of the bone block at the near end of the affected side and enabling the bone block to be in butt joint with the far end of the clavicle at the affected side to reset. The two ends of the reduction device are respectively erected at the near end of the clavicle at the healthy side and the far end of the clavicle at the affected side, and the bone blocks at the near end of the affected side are no longer used as supporting points for erecting the whole device. The remote displacement of the clavicle at the affected side can be dragged by the adjusting mechanism to restore the original position, and the near-end bone block at the affected side can be randomly adjusted by the resetting mechanism to be reset and butted with the remote end of the clavicle at the affected side, so that the resetting precision and the treatment effect are improved.
Description
Technical Field
The utility model belongs to the field of medical equipment, especially, relate to a clavicle fracture closed reduction device.
Background
Clavicle fracture is a common clinical case, and after the middle clavicle fracture, the middle clavicle fracture is broken into two parts, namely a distal clavicle at the affected side and a proximal clavicle at the affected side, wherein the proximal clavicle is the end of the clavicle facing the front of the human body, and the distal clavicle is the end of the clavicle facing the back of the human body. Clinically, the skin tissue is usually surgically cut and fixed in a reduction steel plate (hereinafter referred to as cut reduction). The incision reduction needs to make a transverse incision about 10cm along the whole length of the clavicle, and a long scar is usually left after healing, so that the appearance is influenced. In addition, the surgical field has the deltoid nerves innervating the skin sensation in front of the chest, crossing the incision. The crossing nerve is inevitably cut off during the operation, which leads to abnormal sensation of the chest of the patient after the operation.
Because of the defects existing in the incision and reduction, a reduction device is developed to carry out minimally invasive treatment on the clavicle and carry out closed reduction on the proximal bone block at the affected side and the distal clavicle at the affected side on the premise of not incising skin tissues by an operation. However, the movement of the distal clavicle of the affected side can be caused by the traction of the muscles around the clavicle, so that the proximal bone mass of the affected side and the distal clavicle of the affected side can be interlaced and shortened. The existing reduction device is of a bridge-spanning structure, two ends of the existing reduction device are respectively fixed on a proximal bone block at the affected side and a distal clavicle at the affected side, and the height of the proximal bone block at the affected side is adjusted by a correction structure positioned on a middle bridge body to complete reduction. The one end of this kind of resetting means owing to stride bridge type structure is fixed in on the affected side near-end bone piece, both will regard affected side near-end bone piece as bearing structure, will adjust the height, horizontal position and the angle of affected side near-end bone piece again and reset, causes to stride bridge structure and is used for fixing the degree of freedom that can restrict affected side near-end bone piece at the one end of affected side near-end bone piece, influences and resets precision and treatment.
Therefore, a reduction device which can provide the affected side near-end bone block with higher degree of freedom and improve the reduction precision is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clavicle fracture closed resetting means, its one end is fixed at healthy side clavicle near-end, and the opposite side is fixed at the affected side clavicle distal end, makes canceling release mechanical system can multi-direction free adjustment affected side near-end bone piece, and the butt joint that resets is more nimble, promotes the precision that resets.
The utility model discloses a realize through following technical scheme:
a clavicle fracture closed reduction device comprises a main frame, a fixing mechanism and an adjusting mechanism which are respectively arranged at two ends of the main frame, and a reduction mechanism which is movably arranged on the main frame; the adjusting mechanism is connected with the main frame in a sliding mode and used for fixing the far end of the clavicle at the affected side, the fixing mechanism is fixedly connected with the main frame and used for fixing the near end of the clavicle at the healthy side, the adjusting mechanism slides to enable the far end of the clavicle at the affected side to reset, and the resetting mechanism is used for correcting the position of the bone block at the near end of the affected side and enabling the bone block to be in butt joint with the far end of the clavicle at the affected side to reset.
By the proposal, the utility model discloses at least, obtain following technological effect:
compare in current resetting means and be fixed in the structure of suffering from side near-end bone piece with its bridge structure one end of striding, the utility model discloses resetting means's fixed establishment fixes and is being good for the side clavicle near-end as the one end strong point of striding bridge structure, removes the restriction to suffering from side near-end bone piece. And the adjusting mechanism is fixed at the far end of the clavicle at the affected side, so that a stable bridge type structure can be erected to provide a moving platform for the resetting mechanism, and the function of pulling the far end of the clavicle at the affected side to reset can be realized. Wherein, the mode of traction affected side clavicle distal reduction is: the fixing mechanism is supported by the healthy side clavicle near end to keep the position unchanged, drives the adjusting mechanism to slide along the main frame and drives the affected side clavicle far end fixedly connected with the adjusting mechanism to move, and achieves the resetting effect.
After the fixing mechanism, the main frame and the adjusting mechanism reset the distal end of the clavicle at the affected side, because the traction effect of muscles does not disappear, when the proximal bone block at the affected side is reset, the supporting effect of the structures on the distal end of the clavicle at the affected side needs to be synchronously kept, and after the resetting mechanism butts and resets the proximal bone block at the affected side and the distal end of the clavicle at the affected side, the intramedullary nail, the reset steel plate or other medical instruments can be worn to continuously stabilize the proximal bone block and the distal end of the clavicle at the affected side and the reset device can be removed.
Preferably, the fixing mechanism comprises a first kirschner wire and a limit screw; the main frame tip is seted up the mounting hole and the spacing hole of intercommunication each other, the one end of first kirschner wire sets up in the mounting hole, stop screw is implanted and is spacing fixed with first kirschner wire by spacing hole, the other end puncture of first kirschner wire is fixed and is good for side clavicle near-end.
Preferably, a plurality of spare mounting holes and spare limiting holes are further formed in the end portion of the main frame, and the spare limiting holes are communicated with the spare mounting holes in a one-to-one correspondence mode.
Preferably, the main frame is provided with a sliding groove; and the adjusting mechanism and the resetting mechanism are arranged in the sliding groove in a sliding manner.
Preferably, the adjusting mechanism comprises an adjusting slide block, a second kirschner wire and an adjusting bolt; the adjusting slide block is arranged in the sliding groove in a sliding mode, one end of the second Kirschner wire is fixed to the adjusting slide block, the other end of the second Kirschner wire penetrates through the distal end of the sick side clavicle fixedly, and the adjusting bolt penetrates through the main frame and is connected with the adjusting slide block at the end portion of the sliding groove.
Preferably, the reset mechanism comprises a height adjusting assembly, a horizontal displacement assembly and a pressure head; the height adjusting component is arranged in the sliding groove in a sliding mode, the horizontal displacement component is installed at the bottom of the height adjusting component, and the pressure head is installed at the bottom of the horizontal displacement component and used for limiting and fixing the affected side near-end bone block.
Preferably, the height adjusting assembly comprises a moving slider, a screw and an adjusting knob; the screw rod longitudinally penetrates through the movable sliding block, the adjusting knob is sleeved on the screw rod, and the screw rod is made to move in a telescopic mode relative to the movable sliding block by rotating the adjusting knob.
Preferably, the horizontal displacement assembly comprises a horizontal frame and a moving member; the horizontal frame is hinged to the bottom end of the screw rod, the horizontal frame is provided with a strip-shaped through groove, the moving member is arranged in the strip-shaped through groove in a sliding mode, and the pressure head is installed at the bottom of the moving member.
Preferably, the moving part comprises a reset sliding block, a connecting column and a fine adjustment bolt; the slider that resets slides and sets up in the logical inslot of bar, the fine setting bolt runs through the horizontal stand and is connected with the slider that resets at the tip that the bar led to the groove, spliced pole one end is fixed in the slider bottom that resets, the other end and pressure head fixed connection.
The utility model has the advantages that:
the two ends of the reduction device are respectively erected at the near end of the clavicle at the healthy side and the far end of the clavicle at the affected side, and the bone blocks at the near end of the affected side are no longer used as supporting points for erecting the whole device. The adjustment mechanism can be used for pulling the far end of the clavicle at the affected side to move to restore the original position, and the height, the horizontal position and the angle of the near-end bone block at the affected side can be adjusted at will through the reset mechanism, so that the clavicle far end at the affected side can be reset and butted, and the reset precision and the treatment effect can be further improved. Meanwhile, the reduction device does not need to cut skin tissues for operation, thereby avoiding scars and subcutaneous nerve injury.
Drawings
Fig. 1 is a schematic view of two kirschner wires fixed to a clavicle according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the clavicle fracture closed reduction device provided in an embodiment of the present invention installed on the clavicle, and the horizontal displacement assembly is in a folded state at this time.
Fig. 3 is a schematic structural view of the clavicle fracture closed reduction device installed on the clavicle according to an embodiment of the present invention, wherein the horizontal displacement assembly is unfolded to limit and fix the proximal bone block at the affected side.
Fig. 4 is a schematic view of the adjustment mechanism provided in an embodiment of the present invention for stretching and repositioning the distal clavicle of the affected side.
Fig. 5 is a schematic view illustrating a state in which the height adjustment assembly of the present invention is pressed down to reposition the affected proximal bone block in one embodiment.
Fig. 6 is a schematic view of the horizontal displacement assembly provided in an embodiment of the present invention before horizontal reposition of the affected proximal bone block.
Fig. 7 is a schematic view illustrating a state of the horizontal displacement assembly after horizontal reposition of the affected proximal bone block according to an embodiment of the present invention.
Fig. 8 is a schematic view illustrating a state of the clavicle fracture closed reduction device for closed reduction of the clavicle on the affected side according to an embodiment of the present invention.
Legend:
1, a main frame; 2, a fixing mechanism; 3, an adjusting mechanism; 4, a resetting mechanism; 5 distal clavicle on the affected side; 6, strengthening the side clavicle; 7 affected proximal bone mass;
11 mounting holes; 12 limiting holes; 13 chute;
21 a first k-wire; 22 a limit screw;
31 adjusting the sliding block; 32 a second k-wire; 33 adjusting the bolt;
41 a height adjustment assembly; 42 a horizontal displacement assembly; 43 indenter;
61 strengthening the proximal clavicle;
411 moving the slider; a screw 412; 413 an adjustment knob;
421 a horizontal frame; 422 moving parts; 423 strip-shaped through grooves; 424 the reset slide; 425 connecting column; 426 trimming the bolt.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
the embodiment provides a clavicle fracture closed reduction device, which comprises a main frame 1, a fixing mechanism 2, an adjusting mechanism 3 and a reduction mechanism 4, as shown in fig. 2 to 8; wherein, the fixing mechanism 2 is used for fixing the healthy side clavicle near end 61, the adjusting mechanism 3 is used for fixing the affected side clavicle far end 5, and the resetting mechanism 4 is used for fixing the broken and separated affected side near end bone block 7. The distance between the affected side clavicle far end 5 and the healthy side clavicle near end 61 is changed by changing the distance between the affected side clavicle far end and the fixing mechanism 2 through the adjusting mechanism 3, so that a space is vacated for the affected side near end bone block 7, and the effect of restoring the affected side clavicle far end 5 to the original position is realized.
The main frame 1 is formed of a strip-shaped plate body, and a sliding groove 13 is formed along the length direction of the main frame. Two tip of 1 length direction of body frame, wherein one end is seted up three mounting hole 11 and three spacing hole 12 and is used for cooperating the installation of fixed establishment 2 fixed, sets up the screw hole that communicates spout 13 on the terminal surface of the other end and is used for cooperating adjustment mechanism 3 operation and location.
The three mounting holes 11 are communicated with the three limiting holes 12 in a one-to-one correspondence mode, each mounting hole 11 penetrates through the main frame 1 from top to bottom, and the limiting holes 12 corresponding to the mounting holes are communicated with the mounting holes 11 in the transverse direction. The relative position of the fixing mechanism 2 and the main frame 1 can be changed by selecting different mounting holes 11, so that the clavicle length of patients with different body types can be adapted.
The fixing mechanism 2 consists of a first kirschner wire 21 and a limit screw 22; choose arbitrary mounting hole 11 on the body frame 1 to penetrate the one end of first kirschner wire 21, penetrate limiting screw 22 again with this mounting hole 11 corresponding spacing hole 12 in, stretch into tight first kirschner wire 21 in the mounting hole 11 top through limiting screw 22, realize the fixed effect of first kirschner wire 21. The other end of the first kirschner wire 21 penetrates into the healthy side clavicle proximal end 61, and the reduction device is fixedly connected with the healthy side clavicle proximal end 61 to serve as a stable supporting point for reducing the affected side clavicle distal end 5.
The adjusting mechanism 3 is composed of an adjusting slide block 31, a second Kirschner wire 32 and an adjusting bolt 33; the adjusting slide block 31 freely slides in the slide groove 13 of the main frame 1, one end of the second kirschner wire 32 is fixed on the adjusting slide block 31, and the other end thereof punctures and fixes the distal end 5 of the clavicle at the affected side, so as to establish the position corresponding relationship between the clavicle at the affected side and the adjusting slide block 31. Adjusting bolt 33 is stretched into in the spout 13 by the screw hole that body frame 1 terminal surface was seted up and is connected with adjusting slide 31, adjusting bolt 33 constitutes the screw thread pair with the screw hole of body frame 1, through forward or reverse rotation adjusting bolt 33, make adjusting bolt 33 carry out reciprocating motion along the axial of the screw hole of body frame 1, thereby drive adjusting slide 31 and slide in spout 13, the realization changes the effect of the 5 positions of sick side clavicle distal end through rotatory adjusting bolt 33, until remove the sick side clavicle distal end 5 to the correct position and keep the supporting effect to stabilize the sick side clavicle distal end 5 in this department.
The resetting mechanism 4 consists of a height adjusting assembly 41, a horizontal displacement assembly 42 and a pressure head 43; the height adjusting component 41 slides in the sliding groove 13 of the main frame 1 to provide a displacement effect along the direction of the sliding groove 13, the horizontal displacement component 42 is installed at the bottom of the height adjusting component 41 and provides a transverse displacement effect, the pressure head 43 is installed at the bottom of the horizontal displacement component 42 and is used for limiting and fixing the fractured affected side proximal bone block 7, and the height difference between the horizontal displacement component 42 and the main frame 1 can be further adjusted by the height adjusting component 41. The pressure head 43 can move back and forth along the length direction of the main frame 1, can move left and right, and can also move up and down, the multi-degree of freedom ensures that the pressure head 43 can be flexibly controlled to accurately close and reset the sick side near-end bone block 7 and the sick side clavicle far-end 5.
The height adjusting assembly 41 is composed of a moving slider 411, a screw 412 and an adjusting knob 413; the movable sliding block 411 is arranged in the sliding groove 13 of the main frame 1 in a sliding mode, the movable sliding block 411 is provided with a longitudinal threaded hole, the screw 412 penetrates through the threaded hole of the movable sliding block 411 to form a thread pair, the adjusting knob 413 is sleeved on the screw 412, the adjusting knob 413 is rotated, namely the screw 412 is rotated, so that the screw 412 reciprocates along the axial direction of the threaded hole, the horizontal displacement assembly 42 is installed at the bottom end of the screw 412, and can generate a front-back displacement effect along with the sliding of the movable sliding block 411 and also can generate a vertical displacement effect along with the reciprocating motion of the screw 412.
The horizontal displacement assembly 42 is composed of a horizontal frame 421 and a moving member 422; the horizontal frame 421 is provided with a strip through groove 423 for the moving member 422 to slide therein, and the end surface of the horizontal frame 421 is also provided with a threaded hole communicating with the strip through groove 423. The moving part 422 is composed of a reset sliding block 424, a fine adjustment bolt 426 and a connecting column 425; reset slider 424 slides and sets up in the logical groove 423 of bar, and fine setting bolt 426 stretches into the logical groove 423 of bar and is connected with reset slider 424 along the screw hole of horizontal stand 421 terminal surface, and fine setting bolt 426 constitutes the screw thread pair with the screw hole of horizontal stand 421, through rotatory fine setting bolt 426, makes the slider 424 that resets slide in the logical groove 423 of bar. The pressure head 43 is arranged on the reset sliding block 424 through the connecting column 425, and the affected side near-end bone block 7 fixed by the pressure head 43 in a limiting way is in corresponding position with the reset sliding block 424, so that the effect of adjusting the position of the affected side near-end bone block 7 by rotating the fine adjustment bolt 426 to change the position of the reset sliding block 424 is realized.
It should be mentioned that the horizontal frame 421 is connected with the screw 412 in a hinged manner, so that the horizontal frame 421 can rotate in the horizontal plane, and when the horizontal frame 421 rotates to a proper angle, the horizontal frame 421 and the screw 412 can be fixed in a limited manner by a nut or other simple limiting structures. The rotating structure is beneficial to adjusting the posture of the proximal bone block 7 at the affected side, so that the affected side can be reset more accurately. Meanwhile, the resetting device can be folded into a flat structure after being used, so that the resetting device is convenient to store and carry.
Example 2:
the embodiment provides a closed reduction method for clavicle fracture, which adopts the closed reduction device for clavicle fracture provided in embodiment 1 and implements the following steps:
the method comprises the following steps: as shown in fig. 1, a first k-wire 21 is implanted at the proximal end 61 of the healthy side clavicle and a second k-wire 32 is implanted at the distal end 5 of the affected side clavicle.
Step two: as shown in fig. 2, the tip end of the first k-wire 21 is inserted into the mounting hole 11 of the main frame 1 and fixed by the stopper screw 22, the tip end of the second k-wire 32 is fixed to the adjustment slider 31, and the reset device is erected on both the k-wires.
Step three: as shown in fig. 3, the height adjustment assembly 41 in the reposition mechanism 4 is pushed along the sliding slot 13 of the main frame 1, so that the reposition mechanism 4 moves integrally to above the fractured affected proximal bone mass 7, the horizontal displacement assembly 42 is rotated and the fine adjustment bolt 426 is operated to accurately correct the position of the pressure head 43, and then the adjustment knob 413 is operated to move the screw 412 downwards, so that the pressure head 43 is buckled on the surface of the affected proximal bone mass 7 to form a limiting and fixing effect.
Step four: as shown in fig. 4, the adjusting bolt 33 in the adjusting mechanism 3 is operated to make the adjusting slider 31 drive the second k-wire 32 and the affected side clavicle distal end 5 to move away from the first k-wire 21, and stretch the affected side clavicle distal end 5 to be reset.
Step five: as shown in fig. 5, the adjusting knob 413 of the height adjusting assembly 41 is manipulated again to make the screw 412 drive the horizontal displacement assembly 42, the pressing head 43 and the affected proximal bone block 7 to move downward integrally, so as to press down and reposition the affected proximal bone block 7 which is tilted up and dislocated.
Step six: as shown in fig. 6 and 7, the fine adjustment bolt 426 of the horizontal displacement assembly 42 is operated again to make the reduction slider 424 drive the pressure head 43 and the affected proximal bone block 7 to move transversely, so as to close and reduce the fracture of the affected proximal bone block 7 and the fracture of the affected distal clavicle 5.
Various technical features in the above embodiments may be arbitrarily combined as long as there is no conflict or contradiction in the combination between the features, but is limited to the space and is not described one by one.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (9)
1. A clavicle fracture closed reduction device is characterized in that: comprises a main frame, a fixing mechanism and an adjusting mechanism which are respectively arranged at two ends of the main frame, and a resetting mechanism which is movably arranged on the main frame; the adjusting mechanism is connected with the main frame in a sliding mode and used for fixing the far end of the clavicle at the affected side, the fixing mechanism is fixedly connected with the main frame and used for fixing the near end of the clavicle at the healthy side, the adjusting mechanism slides to enable the far end of the clavicle at the affected side to reset, and the resetting mechanism is used for correcting the position of the bone block at the near end of the affected side and enabling the bone block to be in butt joint with the far end of the clavicle at the affected side to reset.
2. The clavicle fracture closed reduction device of claim 1 wherein the fixation mechanism includes a first k-wire and a stop screw; the main frame tip is seted up the mounting hole and the spacing hole of intercommunication each other, the one end of first kirschner wire sets up in the mounting hole, stop screw is implanted and is spacing fixed with first kirschner wire by spacing hole, the other end puncture of first kirschner wire is fixed and is good for side clavicle near-end.
3. The clavicle fracture closed reduction device according to claim 2, wherein the end of the main frame is further provided with a plurality of spare mounting holes and spare limiting holes, and the spare limiting holes are communicated with the spare mounting holes in a one-to-one correspondence manner.
4. The clavicle fracture closed reduction device according to claim 1, wherein the main frame is provided with a chute; and the adjusting mechanism and the resetting mechanism are arranged in the sliding groove in a sliding manner.
5. The clavicle fracture closed reduction device of claim 4 wherein the adjustment mechanism includes an adjustment slide, a second k-wire and an adjustment bolt; the adjusting slide block is arranged in the sliding groove in a sliding mode, one end of the second Kirschner wire is fixed to the adjusting slide block, the other end of the second Kirschner wire penetrates through the distal end of the sick side clavicle fixedly, and the adjusting bolt penetrates through the main frame and is connected with the adjusting slide block at the end portion of the sliding groove.
6. The clavicle fracture closed reduction device of claim 4 wherein the reduction mechanism includes a height adjustment assembly, a horizontal displacement assembly and a ram; the height adjusting component is arranged in the sliding groove in a sliding mode, the horizontal displacement component is installed at the bottom of the height adjusting component, and the pressure head is installed at the bottom of the horizontal displacement component and used for limiting and fixing the affected side near-end bone block.
7. The clavicle fracture closed reduction device of claim 6 wherein the height adjustment assembly comprises a moving slide, a screw, and an adjustment knob; the screw rod longitudinally penetrates through the movable sliding block, the adjusting knob is sleeved on the screw rod, and the screw rod is made to move in a telescopic mode relative to the movable sliding block by rotating the adjusting knob.
8. The clavicle fracture closed reduction device of claim 7 wherein the horizontal displacement assembly includes a horizontal shelf and a moving member; the horizontal frame is hinged to the bottom end of the screw rod, the horizontal frame is provided with a strip-shaped through groove, the moving member is arranged in the strip-shaped through groove in a sliding mode, and the pressure head is installed at the bottom of the moving member.
9. The clavicle fracture closed reduction device of claim 8 wherein the moving member comprises a reduction slide, a connection post and a fine adjustment bolt; the slider that resets slides and sets up in the logical inslot of bar, the fine setting bolt runs through the horizontal stand and is connected with the slider that resets at the tip that the bar led to the groove, spliced pole one end is fixed in the slider bottom that resets, the other end and pressure head fixed connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022999243.4U CN214595977U (en) | 2020-12-11 | 2020-12-11 | Clavicle fracture closed reduction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022999243.4U CN214595977U (en) | 2020-12-11 | 2020-12-11 | Clavicle fracture closed reduction device |
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| CN214595977U true CN214595977U (en) | 2021-11-05 |
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| CN202022999243.4U Active CN214595977U (en) | 2020-12-11 | 2020-12-11 | Clavicle fracture closed reduction device |
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| CN (1) | CN214595977U (en) |
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