CN108210032A - A kind of Bone traction reseting fixture for treating limbs fracture and method - Google Patents
A kind of Bone traction reseting fixture for treating limbs fracture and method Download PDFInfo
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- CN108210032A CN108210032A CN201810223954.7A CN201810223954A CN108210032A CN 108210032 A CN108210032 A CN 108210032A CN 201810223954 A CN201810223954 A CN 201810223954A CN 108210032 A CN108210032 A CN 108210032A
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 210000003455 parietal bone Anatomy 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 208000010392 Bone Fractures Diseases 0.000 description 71
- 206010017076 Fracture Diseases 0.000 description 64
- 210000003414 extremity Anatomy 0.000 description 26
- 210000000689 upper leg Anatomy 0.000 description 4
- 206010010149 Complicated fracture Diseases 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 210000002303 tibia Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010016454 Femur fracture Diseases 0.000 description 1
- 206010016997 Forearm fracture Diseases 0.000 description 1
- 206010020462 Humerus fracture Diseases 0.000 description 1
- 208000010428 Muscle Weakness Diseases 0.000 description 1
- 206010028372 Muscular weakness Diseases 0.000 description 1
- 206010048873 Traumatic arthritis Diseases 0.000 description 1
- 210000002659 acromion Anatomy 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000001949 anaesthesia Methods 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 210000003109 clavicle Anatomy 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002283 elective surgery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
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- Heart & Thoracic Surgery (AREA)
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Abstract
The present invention provides a kind of Bone traction resetting apparatus for treating limbs fracture, including reset cradle, traction cross bar, lock sheet, screw tightener, supporting rod, haulage gear, fixed mechanism and the first adjustable A-frame.Before traction, by reset cradle, traction cross bar and screw tightener, the direction of the traction line of force is adjusted；After traction, through manually adjusting, change the direction of tractive force again using A-frame, solve the problems, such as fracture end rotation, interior turn up；Reset cradle is triangle folding structure, easy to carry, and when use is unfolded rapidly, and stability is strong；It by triangle bracing strut, is drawn centered on tractive force, is conducive to fracture reset；Device provided by the invention, fixed mechanism are inactive structure, and there is no the problem of draft gear compressing limbs.
Description
Technical field
The present invention relates to medical field more particularly to a kind of Bone traction reseting fixture for treating limbs fracture and sides
Method.
Background technology
The limbs fractures such as femur, shin bone are clinical common fracture, over the course for the treatment of, due to being pulled by fracture muscle
It influences, affected part shortened deformity etc. can be caused, reset, restore in surgical procedure and maintain its length more difficult, it is possible to occur
The complication such as malunion and the lower limb line of force are bad, eventually lead to traumatic arthritis etc., seriously affect the health of patient.
The basis of limbs fracture treatment is to reset, and gypsum implant of fixing or perform the operation is selected to fix on the basis of reset.Traction is
Reseting fracture, the important means for restoring four limbs length, are the most common repositioning methods of limbs fracture closed reduction.
The prior art provides a kind of Rapid reset device for treating long bone fracture, for long to four limbs such as femurs
Tubular bone fracture implements Retracting repositioning.The reset cradle of the restorer is made of four supporting legs and square framework, square framework
Traction screw is rotary in the screw hole of rear transverse rod, the front end of traction screw is connected with the upper end of traction bow, the lower end of traction bow with
Kirschner wire connect, Kirschner wire with by traction end phase；It connects the front rail of square framework and the rear end of fixed link connects, fixed link
Front end is connect with fixed pin, and fixed pin is connected with pelvis ilium or distal femur, and rotation traction traction screw rod pulls trailed length
Tubular bone makes the reduction of the fracture of shortening, and effectively maintains and control its length.The prior art can generate huge reset
Strength solves the problems, such as to reset in long tubular bone fracture art difficult.
But the device of the prior art offer cannot change the direction of tractive force, it is impossible to solve fracture end and rotate, is inside and outside
The problem of turning over；Traction distal end is semi-active structure, and with the progress of reset, draft gear easily oppresses limbs；Reset cradle is steady
Qualitative low, height adjusts inconvenient；Fixing device need to cut fixation at crista iliaca, there is certain damage to human body.
Invention content
The present invention provides a kind of Bone traction reseting fixture for treating limbs fracture and method, to solve traction force direction
Can not adjust, reset cradle is unstable, device compressing limbs, bearing damage and it is insurmountable it is rotary fracture, it is inside and outside
The problems such as turning over formula fracture.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of Bone traction reseting fixture for treating limbs fracture, including reset cradle, traction cross bar, lock sheet, can
Adjusting screw rod, screw tightener, supporting rod, haulage gear, fixed mechanism and the first adjustable A-frame, wherein：
The reset cradle is by the first square frame and the second rectangular frame set into two groups of square frames are respectively by lower horizontal stroke
Bar, left and right side lever and the cross tube composition being used in conjunction with, the cross tube are shaft, and two groups of square frame flexible connections are described to be turned
Axis；Equally distributed location hole is correspondingly provided on two side levers of first square frame respectively, the traction cross bar passes through one
The group location hole is fixed on reset cradle；Described lock sheet one end is equipped with equally distributed locking slot, and the other end is equipped with
Be locked hole, and tight locking button is respectively equipped in the relative inner of two groups of side levers at the shaft both ends, passes through tight locking button, two groups of institutes
It states lock sheet to be connected on two groups of square frames, with the fixation reset cradle；It is different on the lock sheet by connecting
Locking slot, change the height of the reset cradle；Screw hole, one end precession institute of the supporting rod are equipped in the middle part of the shaft
In the screw hole for stating shaft, the other end connects the fixed mechanism；The fixed mechanism is used for connecting fracture proximal end；
The haulage gear includes the first traction bow and the first Kirschner wire, for connecting fracture distal end；The screw rod tightening
Device includes the first screw rod, the second screw rod and bolt jointing part, and bolt jointing part described in one end difference precession of two screw rods is described
There is handle on bolt jointing part, the bolt jointing part is rotated by handle, adjusts the distance between two screw rods；Described first
The other end of screw rod is flexibly connected the traction cross bar, and the other end of second screw rod is flexibly connected first traction bow
Top, the bottom of first traction bow connect first Kirschner wire；
The first adjustable A-frame includes stock and quarter butt, and the upper ends of two stocks is movably connected in described
On quarter butt；Two stock lower ends are flexibly connected first Kirschner wire；The quarter butt is movably connected on the supporting rod.
Optionally, the Bone traction reseting fixture, further includes side support bar, wherein：
On the both ends of sheer pole that two side support bars are respectively and fixedly installed to the second square frame, with the support
Bar forms triangle bracing strut；
The fixed mechanism includes fixed 3/4 semi-ring bow stick and the second Kirschner wire, 3/4 semi-ring bow stick of the fixation
Place face is connected to the triangle bracing strut far from described perpendicular to the direction of the traction line of force, the fixation with 3/4 semi-ring bow stick
On one end of reset cradle, fixed 3/4 semi-ring bow stick open side connection, second Kirschner wire.
Optionally, the Bone traction reseting fixture further includes the second adjustable A-frame and mandril, wherein：
The second adjustable A-frame is movably connected in the middle part of the triangle bracing strut, the mandril flexible connection
On the described second adjustable A-frame.
Optionally, the Bone traction reseting fixture, the location hole are axial filament location hole, wherein：
Groove is respectively equipped in the middle part of two side levers of first square frame, the both sides of the groove correspond to respectively
Equipped with equally distributed screw hole, screw is tightened after passing through one group of corresponding screw hole by nut, and traction cross bar both ends pass through
Upper and lower four groups of screws are fixed on reset cradle.
Optionally, the Bone traction reseting fixture, further includes drawing-type electronic dynamometer, wherein：
The drawing-type electronic dynamometer is mounted on the junction of the screw tightener and the haulage gear；
The supporting rod or side support bar are carbon fiber support rod.
Optionally, the Bone traction reseting fixture, further includes a kind of external fixer, for assisting fixed fracture
Place, wherein：
The external fixer includes outer set screw and universal type exterior fixing rack；There are four the outer set screws；
The universal type exterior fixing rack includes cross bar needle folder, pillar and cross bar；The cross bar needle sandwiched is equipped with screw hole and clamping slideway；
Two described pillar one end are respectively and movably connected on the both ends of the cross bar, described in other end difference precession two
In the screw hole of cross bar needle folder, the screw is clipped in respectively in the clamping slideway of the cross bar needle folder.
A kind of Bone traction repositioning method for treating limbs fracture, includes the following steps：
(A) fracture limbs are placed in triangle bracing strut, are fractured and are distally penetrated haulage gear, adjustment reset cradle height,
Traction screw height primarily determines traction line of force orientation；
(B) fracture proximal end penetrates fixed mechanism, and rotary screw tightener pulls trailed long bone, in fixed mechanism
3/4 semi-ring bow stick where face be fixed on the triangle bracing strut perpendicular to traction line of force direction；
(C) after preliminary traction is fixed, the first adjustable A-frame is connected on the haulage gear；Manually adjust fracture
End, after determining new traction force direction, the described first adjustable A-frame is fixed on triangle bracing strut corresponding position, is tieed up
Hold the tractive force.
Optionally, the Bone traction repositioning method further includes step D10 after the step B or step C, wherein：
(D10) side is carried out to displacement bone block to push away, after parietal bone block, the mandril is fixed on second adjustable three using mandril
In angle support, the second adjustable A-frame is fixed on the triangle bracing strut corresponding position.
Optionally, the Bone traction repositioning method further includes step (D20) after the step B or step C,
In：
(D20) on the basis of traction reduction, 3D printing goes out fracture model after reset, and external fixer is determined on model
Structural relation；After the external fixer is sterilized again, install to fracture and carry out auxiliary reset.
The present invention has the following advantages：
The present invention provides a kind of Bone traction resetting apparatus for treating limbs fracture, including reset cradle, traction cross bar, spiral shell
Bar tightener, supporting rod, haulage gear, fixed mechanism and the first adjustable A-frame.Before traction, by reset cradle, lead
Draw cross bar and screw tightener, the direction of the traction line of force is adjusted；After traction, through manually adjusting, using adjustable triangle branch
Frame changes the direction of tractive force again, solves the problems, such as fracture end rotation, interior turns up；Reset cradle is triangle folding structure,
Easy to carry, when use, is unfolded rapidly, and stability is strong；It, can flexible modulation reset cradle height by lock sheet；Pass through Axis Tripod
Stent is drawn centered on tractive force, is conducive to fracture reset；Fixed mechanism is inactivity structure, and there is no draft gears
The problem of oppressing limbs；By drawing-type electronic dynamometer, the state of tractive force is monitored in real time；By external fixer, solve
Long bone fracture rotation, the problem of fracture gap is big, reach accurate reset, while can also be used as auxiliary device, strengthen patient
Stability when moving.
Description of the drawings
Fig. 1 is the surface structure signal of the Bone traction reseting fixture of the first treatment limbs fracture provided by the invention
Figure；
Fig. 2 is the surface structure signal of the Bone traction reseting fixture of second provided by the invention treatment limbs fracture
Figure；
Fig. 3 is the surface structure signal of the Bone traction reseting fixture of the third treatment limbs fracture provided by the invention
Figure；
Fig. 4 is the external fixer of auxiliary Bone traction reseting fixture provided by the invention.
In Fig. 1 to Fig. 4：10- reset cradles, the first square frames of 11-, the second square frames of 12-, 13- location holes, 20-
Draw cross bar, 30- lock sheets, 40- screw tighteners, the first screw rods of 41-, the second screw rods of 42-, 43- bolt jointing parts, 50- branch
Strut, 51- side support bars, 55- triangle bracing struts, 60- haulage gears, the first traction bows of 61-, the first Kirschner wires of 62-, 70- are solid
Determine mechanism, 71- fixes 3/4 semi-ring bow stick, and the second Kirschner wires of 72-, the second traction bows of 73-, 74- branch sleeves, 80- first can
Adjusting triangle stent, 81- stocks, 82- quarter butts, 90- shafts, the second adjustable supports of 100-, 110- mandrils, the dotted fixations of 120-
Device, the dotted reduction forceps of 121-, 122- casings, 123- connecting rods, 130- assist 3/4 semi-ring bow stick, 140- drawing-type electronics
Dynamometer, 150- external fixers, 151- outer set screws, 152- cross bars needle folder, 153- pillars, 154- cross bars.
Wherein：In Fig. 1, X-axis is horizontal plane with Z axis formed plane；Location hole 13, the screw tightener 40 of Fig. 3 is Fig. 2 phases
Answer the sectional view of component；Lock sheet 30 in Fig. 3 is the perspective view of Fig. 2 corresponding positions.
Specific embodiment
The embodiment that the present invention will provide three kinds of devices, first embodiment are three axis configurations, second, third embodiment is single
Side configuration, the fixed mechanism of second, third embodiment is also inactivity structure.
With reference to embodiment and attached drawing, the present invention will be further described, but the present invention is not limited by following embodiments
System.
Embodiment 1
Device as shown in Figure 1 is first embodiment provided by the invention, including reset cradle 10, traction cross bar 20, lock
Tight piece 30, adjustable screw 30, screw tightener 40, supporting rod 50, side support bar 51, haulage gear 60,70 and of fixed mechanism
First adjustable A-frame 80.
Reset cradle 10 is the Collapsible rack being made of the first square frame 11 and the second square frame 12, two prescription shapes
Frame shares shaft 90；Equally distributed location hole 13 is correspondingly provided on two side levers of the first square frame 11 respectively, traction is horizontal
Bar 20 is fixed on across one group of location hole on reset cradle 10；30 one end of lock sheet is equipped with equally distributed locking slot, another
End is equipped with and is locked hole, and tight locking button is respectively equipped in the relative inner of two groups of side levers at 90 both ends of shaft, by tight locking button, two
Group lock sheet 30 is connected on two groups of square frames, with fixed reset stent 10；It is different on lock sheet 30 by connecting
Locking slot changes the height of reset cradle 10；Using the location hole 13 of different location, the level that traction cross bar 20 can be changed is high
Degree, the angle angle in face where both can changing the traction line of force along Y direction and X-axis, Z axis.
In the screw hole of one end precession shaft 90 of supporting rod 10, it is rectangular that two side support bars 51 are respectively and fixedly installed to second
On the both ends of the sheer pole of frame 12, three supporting rods form triangle bracing strut 55, and fixed mechanism 70 is connected to triangle bracing strut
On 55 one end far from reset cradle 10, by three axis configurations of triangle bracing strut 55, make to draw centered on tractive force.
Screw tightener 40 includes the first screw rod 41, the second screw rod 42 and bolt jointing part 43, has on bolt jointing part 43
Handle, one end of two screw rods are distinguished in precession bolt jointing part 43, can produce two bars by handle rotary screw connector 43
It is raw to be axially moved, the distance between two screw rods are adjusted, change the size of tractive force；The other end of first screw rod 41 passes through U-shaped
Connector and chain link are movably connected on traction cross bar 20, and chain link is sheathed on traction cross bar 20, both sides nut fixed linkage
Position, the other end connection haulage gear 60 of the second screw rod 42.By adjusting chain ring position, the traction line of force can be changed along Z axis side
To the angle angle with face where X-axis, Y-axis.
Haulage gear 60 includes the first traction bow 61 and the first Kirschner wire 62, the top of the first traction bow are connected by draw-ring type
Fitting connects the second screw rod 42, and bottom connects the first Kirschner wire 62, and the first Kirschner wire passes through fracture distal end.
First adjustable A-frame 80 includes stock 81 and quarter butt 82, and the upper end of two root long bars 81 is movably connected in quarter butt
On 82, lower end is flexibly connected the first Kirschner wire 62, and quarter butt 82 is movably connected on supporting rod 50.By adjusting first adjustable three
Angle support 80, can be changed the traction line of force Y-axis, Z axis institute on the whole with the angle angle of X-axis, behind the determining direction that need to be maintained,
First adjustable A-frame 80 is fixed on triangle bracing strut 55, maintains the tractive force in this direction.
Fixed mechanism 70 includes fixed 3/4 semi-ring bow stick 71 and the second Kirschner wire 72, and fixation is connected with 3/4 semi-ring bow stick 71
It is connected on triangle bracing strut 55, and the place face of fixed 3/4 semi-ring bow stick 71 is perpendicular to the direction of the traction line of force, it is fixed with 3/
4 semi-ring bow stick, 71 open side connects the second Kirschner wire 72, the second Kirschner wire 72 connection fracture proximal end.
First embodiment as shown in Figure 1 further includes the second adjustable A-frame 100 and mandril 110, and second is adjustable
A-frame 100 is movably connected in the middle part of triangle bracing strut 55, and mandril 110 is movably connected in the second adjustable A-frame
On 100, it can fix mandril by the second adjustable A-frame.According to fracture position, it can be applied by mandril 110 and pushed away
Power, pulling force or top power, assist and maintain to reset.Certainly, it is possible to use auxiliary shown in Fig. 2 is replaced with 3/4 semi-ring bow stick 130
Second adjustable A-frame 100.
First embodiment as shown in Figure 1, further includes drawing-type electronic dynamometer 140, and drawing-type electronic dynamometer 140 is pacified
Mounted in the junction of the second screw rod 42 and the first traction bow 61, tractive force is accurately controlled, prevents hyper-traction, in real time monitoring traction
Power.
Location hole 13 shown in Fig. 1-Fig. 3 is axial filament location hole, and the fixed form that axial filament location hole provides is solid for four sides
It is fixed, stability when traction cross bar 20 is fixed is promoted, traction cross bar 20 is effectively prevent to be slipped on reset cradle 10；Certainly, it is fixed
Position hole 13 or stepped notch or circumferential notch.
Bolt jointing part 43 as shown in Figure 1 is the cube shown in branch sleeve connector or Fig. 2 or Fig. 3
Connector.
First embodiment is a kind of annular three axis traction reduction fixing device, which is three axis counterextensions, and suffering limb exists
Three axis centers make to draw centered on the traction line of force, are conducive to the reduction of the fracture；Fixed mechanism is fixed on triangle bracing strut, will not
It is shifted with the progress of traction, limbs situation is oppressed from draft gear may be not present.
The invention also includes external fixer 150 as shown in Figure 4, external fixer 150 includes 151 He of outer set screw
Universal type exterior fixing rack；Universal type exterior fixing rack includes cross bar needle folder 152, pillar 153 and cross bar 154.Cross bar needle sandwiched
There are screw hole and clamping slideway；One end of two pillars 153 is respectively and movably connected on the both ends of cross bar 154, and the other end revolves respectively
Into in the screw hole of two cross bar needle folders 152, four screws are clipped in respectively in the clamping slideway of the cross bar needle folder 152.It is drawing
On the basis of reset, external fixer can fix rapidly fracture, moving and nursing convenient for patient；For the big bone in gap
Folding is, it can be achieved that the accurate reset of fracture；After traction, final fixed form can be used as；And external fixer light weight, it accounts for
It is small with space, better than fixed forms such as gypsum.
It is noted that the cross bar 154 in external fixer 150 can be two groups of cross bars, fixed by two groups of cross bars 154
Pillar 153, two groups of cross bars can make external fixer structure more stable.
The present invention also provides a kind of Bone traction repositioning methods for treating limbs fracture, include the following steps：
(A) fracture limbs are placed in triangle bracing strut, and reset cradle is placed on fracture distal end, and fracture distal end penetrates traction
Mechanism；According to patient body feature and fracture situation, the height of reset cradle, traction screw is adjusted, primarily determines the traction line of force
Orientation；
(B) fracture proximal end penetrates fixed mechanism, and rotary screw tightener pulls trailed long bone, in fixed mechanism
3/4 semi-ring bow stick where face be fixed on triangle bracing strut perpendicular to traction line of force direction, so as to fracture, limbs are fixed on
In triangle bracing strut；
(C) after preliminary traction is fixed, the first adjustable A-frame is connected in the pull needle in haulage gear；It adjusts manually
After determining new traction force direction, the first adjustable A-frame is fixed on triangle bracing strut corresponding position for whole fracture end,
Maintain the tractive force；
If there is displacement bone block in fracture, step D10 can be carried out：
(D10) side is carried out to displacement bone block to push away, after parietal bone block, mandril is fixed on the second adjustable triangle branch using mandril
On frame, the second adjustable A-frame is fixed on triangle bracing strut corresponding position；
If there is the problem of long bone fracture gap is big, malreduction, step D20 can be carried out：
(D20) on the basis of traction reduction, 3D printing goes out fracture model after reset, and external fixer is determined on model
Structural relation；After the external fixer is sterilized again, install to fracture and carry out auxiliary reset, can precisely reset.
Embodiment 2
Be illustrated in figure 2 second embodiment provided by the invention, due to embodiment 2 be embodiment 1 simple configuration,
Embodiment 2 describes fairly simple, and related part is referring to the explanation in embodiment 1.
In second embodiment, including reset cradle 10, traction cross bar 20, lock sheet 30, screw tightener 40, supporting rod
50th, haulage gear 60,70 and first adjustable A-frame 80 of fixed mechanism；The screw hole of 50 one end precession shaft 90 of supporting rod
In, other end connection fixed mechanism 70.
Fixed mechanism 70 includes bow formula fixing device and the second Kirschner wire 72, and bow formula fixing device includes the second traction bow 73
With branch sleeve 74；One end of supporting rod 50 far from reset cradle 10 is connected with branch sleeve 74, and branch sleeve 74 is fixed
The top of the second traction bow 73 is connected, the end of the second traction bow 73 connects the second Kirschner wire 72, the second Kirschner wire connection fracture
Proximal end.
Second embodiment as shown in Figure 2 further includes auxiliary 3/4 semi-ring bow stick 130 and mandril 110, assists with 3/4 half
Ring bow stick 130 is movably connected in the middle part of supporting rod 50, and mandril 110 is movably connected in auxiliary on 3/4 semi-ring bow stick 130, leads to
Mandril can be fixed with 3/4 semi-ring bow stick by crossing auxiliary.Same first embodiment, auxiliary with 3/4 semi-ring bow stick and mandril be also for
It assists and maintains the reduction of the fracture.
Certainly, in second embodiment can also include drawing-type electronic dynamometer 140, auxiliary 3/4 semi-ring bow stick 130,
150 grade components of mandril 110 and external fixer, act on same first embodiment.Wherein, not describing position in second embodiment can join
Examine the same area of first embodiment.
Second embodiment is a kind of unilateral haulage gear, and the second traction bow 73 is connected to supporting rod 50 by branch sleeve
On, after device fixation, the fixing device that second embodiment is provided is non-moving structure, and limbs will not be produced in distraction procedure
Raw compressing.
Embodiment 3
Be illustrated in figure 3 3rd embodiment provided by the invention, due to embodiment 3 be embodiment 1 simple configuration,
Embodiment 3 describes fairly simple, and related part is referring to the explanation in embodiment 1.
In 3rd embodiment, including reset cradle 10, traction cross bar 20, lock sheet 30, screw tightener 40, supporting rod
50th, haulage gear 60,70 and first adjustable A-frame 80 of fixed mechanism；The screw hole of 50 one end precession shaft 90 of supporting rod
In, other end connection fixed mechanism 70.
Fixed mechanism 70 is dotted fixing device 120, and dotted fixing device 120 includes dotted reduction forceps 121, casing 122
With connecting rod 123.In the threaded hole of 123 one end precession casing 122 of connecting rod, the other end is fixedly connected on supporting rod 50 far from institute
One end of reset cradle 10 is stated, casing 122 is movably set in the middle part of dotted reduction forceps 121, the dotted connection of reduction forceps 121 fracture
Proximal end.
Certainly, drawing-type electronic dynamometer 140 can also be included in 3rd embodiment, external fixer 150, is assisted with 3/
110 grade components of 4 semi-ring bow sticks 130 and mandril, associated components, which act on, can refer to first or second embodiments, in 3rd embodiment not
Narration position can refer to the same area of first or second embodiments.
3rd embodiment is a kind of quick minimally invasive traction resetting device, and when applying tractive force, casing 122 can be along reduction forceps
Middle part is slided, and makes binding clip Self-pressurizing agri, increases clamp depth, while fix tightly solidity is enhanced, can effective dispersive stress,
Enough tractive force is implemented to fracture site.Device shown in the embodiment has easy to use, minimally invasive, quick, secured and huge
Reset strength the features such as, suitable for the situation of crista iliaca, acromion and the unsuitable counterextensions such as clavicle distal end is fixed.
Supporting rod or side support bar can be carbon fiber support rods in above-mentioned three groups of embodiments, and supporting rod is loop bar and has
It is even that pin hole is distributed with, as needed after the length of determining supporting rod, with axis pin fixed pin holes；Whorl brace rod can pass through upper and lower spiral shell
Mother is fixed on supporting rod；Universal hand-wring type bar bar geometrical clamp can be used in being flexibly connected between bar and bar；Pull needle and bar it
Between flexible connection universal hand-wring type shank fixed frame can be used.
Concrete operation method：
The application method of the present invention is following (illustrating by taking fracture of tibia, first embodiment as an example)：
Fracture limbs are placed in triangle bracing strut, and reset cradle is placed on long bone distal end, and fracture distal end row is worn
Enter the first Kirschner wire, the first Kirschner wire connection traction bow, traction bow connection drawing-type electronic dynamometer, electronic dynamometer connection spiral shell
Bar tightener, screw tightener connection reset cradle；According to patient body feature and fracture situation, by adjusting reset cradle height
Degree, position of the traction screw in location hole, primarily determine the traction line of force；
Fracture proximal end or adjacent bone of body row penetrate the second Kirschner wire, and the second Kirschner wire connects 3/4 semi-ring bow stick, and 3/4
Semi-ring bow stick connects triangle bracing strut；
Rotary screw tightener pulls trailed long bone, and tractive force is precisely controlled by drawing-type electronic dynamometer
Size, make the reduction of the fracture of shortening, face where 3/4 semi-ring bow stick is fixed on triangle bracing strut perpendicular to traction line of force direction
On, it maintains the fracture site after resetting and controls its length；
For fracture end rotation, it is interior turn up, horizontal and upper and lower directions displacement, after preliminary traction is fixed, haulage gear connects
Connect the first adjustable A-frame；Fracture end is manually adjusted, after new traction force direction is determined, by the first adjustable triangle branch
Frame is fixed on triangle bracing strut corresponding position, maintains the direction of the traction line of force, which can adjust side below in x x ray fluoroscopy x
It is fixed；If desired, traction force direction can be varied multiple times by the first adjustable A-frame, complicated fracture is solved the problems, such as.
For shifting bone block, according to bone block position, the second adjustable A-frame, top are installed on triangle bracing strut
Bar is movably connected on the second adjustable A-frame, under x x ray fluoroscopy x using mandril carry out side push away, the modes such as parietal bone block, make
It shifts bone block to reset, fixed mandril at this time, auxiliary maintains to reset.
For the problem of long bone fracture gap is big, malreduction, external fixer can be used.In the base of above-mentioned traction reduction
On plinth, for waiting for suffering limb detumescence patients undergoing elective surgery, preoperative local anaesthesia, at long bone fracture both ends, muscle weakness is along long bone direction
2.5mm Kirschner wires pin hole at two is made a call to respectively, is applied wrapping after sterile butterfly tape pull close pinhole, is carried out CT scan.Through meter
After the modeling of calculation machine analog reset, 3D printer prints fracture model after reset.It is screwed into respectively at four pin holes on model
3mm outer set screws, two cross bar needle folders clamp the outer fixed screw at fracture both ends respectively, then pillar precession cross bar needle is pressed from both sides
In screw hole, by universal hand-wring type bar bar geometrical clamp, cross bar is made to connect fixation with two pillars, so as to make fixed branch outside universal type
Each component locations of frame determine.Cross bar needle folder is unclamped, takes out universal type exterior fixing rack and outer set screw, disinfection is for use.
During operative treatment, the pin hole in fracture end both sides is screwed into outer set screw respectively, on the basis of traction reduction, using drawing-off, rotation
The distinct methods such as turn, loosen, drawing, outer set screw is pressed from both sides into the cross bar needle into preoperative fixed universal type exterior fixing rack in advance
Folder clamps cross bar needle folder, and external fixer installs, and realizes the accurate reset of long bone fracture.
For tibiofibula and forearm fracture, it is recommended to use the first embodiment or the second embodiment, for femur and humerus
Fracture, it is recommended to use 3rd embodiment.It certainly, in use, can also will be in above-described embodiment for complicated fracture
The fixed mechanism provided is used in combination, as using the fixed mechanism in second, third embodiment, facilitated the rapid of fracture simultaneously
Positioning.
Invention described above embodiment is not intended to limit the scope of the present invention..
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The present invention is directed to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as illustratively, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim.
Claims (9)
1. a kind of Bone traction reseting fixture for treating limbs fracture, which is characterized in that horizontal including reset cradle (10), traction
Bar (20), lock sheet (30), screw tightener (40), supporting rod (50), haulage gear (60), fixed mechanism (70) and first can
Adjusting triangle stent (80), wherein：
The reset cradle (10) is made of the first square frame (11) and the second square frame (12), two groups of square frame difference
It is made of sheer pole, left and right side lever and the cross tube that is used in conjunction with, the cross tube is shaft (90), two groups of square frames activities
Connect the shaft (90)；It is correspondingly provided with equally distributed location hole respectively on two side levers of first square frame (11)
(13), the traction cross bar (20) is fixed on across location hole (13) described in one group on reset cradle (10)；The lock sheet
(30) one end is equipped with equally distributed locking slot, and the other end is equipped with and is locked hole, two groups at the shaft (90) both ends
The relative inner of side lever is respectively equipped with tight locking button, and by tight locking button, lock sheet (30) is connected to two prescription shapes described in two groups
On frame, with the fixation reset cradle (10)；By connecting locking slot different on the lock sheet (30), described in change
The height of reset cradle (10)；Screw hole, shaft described in one end precession of the supporting rod (50) are equipped in the middle part of the shaft (90)
(90) in screw hole, the other end connects the fixed mechanism (70)；The fixed mechanism (70) for connect fracture proximal end；
The haulage gear (60) includes the first traction bow (61) and the first Kirschner wire (62), for connecting fracture distal end；It is described
Screw tightener (40) includes the first screw rod (41), the second screw rod (42) and bolt jointing part (43), one end point of two screw rods
Bolt jointing part (43) described in other precession has handle on the bolt jointing part (43), and rotating the screw rod by handle connects
Part (43) adjusts the distance between two screw rods；The other end of first screw rod (41) is flexibly connected the traction cross bar
(20), the other end of second screw rod (42) is flexibly connected the top of first traction bow (61), first traction bow
(61) bottom connects first Kirschner wire (62)；
The first adjustable A-frame (80) includes stock (81) and quarter butt (82), and the upper end of two stocks (81) is lived
It is dynamic to be connected on the quarter butt (82)；Two stock (81) lower ends are flexibly connected first Kirschner wire (62)；It is described short
Bar (82) is movably connected on the supporting rod (50).
2. Bone traction reseting fixture according to claim 1, which is characterized in that side support bar (51) is further included,
In：
It is and described on the both ends of sheer pole that two side support bars (51) are respectively and fixedly installed to the second square frame (12)
Supporting rod (50) forms triangle bracing strut (55)；
The fixed mechanism (70) includes fixation 3/4 semi-ring bow stick (71) and the second Kirschner wire (72), described fixed with 3/4 half
The place face of ring bow stick (71) is connected to described three perpendicular to the direction of the traction line of force, the fixation with 3/4 semi-ring bow stick (71)
On the one end of angle bracing strut (55) far from the reset cradle (10), fixed 3/4 semi-ring bow stick (71) open side connection
Second Kirschner wire (72).
3. according to the Bone traction reseting fixture any in claim 2, which is characterized in that it is adjustable to further include second
A-frame (100) and mandril (110), wherein：
The second adjustable A-frame (100) is movably connected in the middle part of the triangle bracing strut (55), the mandril
(110) it is movably connected on the described second adjustable A-frame (100).
4. according to the Bone traction reseting fixture any in claim 1-3, which is characterized in that the location hole (13)
For axial filament location hole, wherein：
Groove is respectively equipped in the middle part of two side levers of first square frame (11), the both sides of the groove correspond to respectively
Equipped with equally distributed screw hole, screw is tightened after passing through one group of corresponding screw hole by nut, draws cross bar (20) both ends
It is fixed on reset cradle (10) by upper and lower four groups of screws.
5. according to the Bone traction reseting fixture any in claim 1-3, which is characterized in that further include drawing-type electricity
Sub- dynamometer (140), wherein：
The drawing-type electronic dynamometer (140) is mounted on the connection of the screw tightener (40) and the haulage gear (60)
Place；
The supporting rod (50) or collateral support (51) bar are carbon fiber support rod.
6. according to the Bone traction reseting fixture any in claim 1-3, which is characterized in that further include a kind of outer solid
Determine device (150), for assisting fixed fracture, wherein：
The external fixer (150) includes outer set screw (151) and universal type exterior fixing rack；The outer set screw
(151) there are four；The universal type exterior fixing rack includes cross bar needle folder (152), pillar (153) and cross bar (154)；The horizontal stroke
Bar needle folder (152) is provided with screw hole and clamping slideway；
Two described pillar (153) one end are respectively and movably connected on the both ends of the cross bar (154), other end difference precession two
In the screw hole of a cross bar needle folder (152), the screw (151) is clipped in the clamping slideway of the cross bar needle folder (152) respectively
In.
7. a kind of Bone traction repositioning method for treating limbs fracture, which is characterized in that include the following steps：
(A) fracture limbs are placed in triangle bracing strut, and fracture distal end penetrates haulage gear, adjustment reset cradle height, traction
Screw rod height primarily determines traction line of force orientation；
(B) fracture proximal end penetrates fixed mechanism, and rotary screw tightener pulls trailed long bone, and 3/ in fixed mechanism
Face where 4 semi-ring bow sticks is fixed on perpendicular to traction line of force direction on the triangle bracing strut；
(C) after preliminary traction is fixed, the first adjustable A-frame is connected on the haulage gear；Manually adjust fracture end,
After determining new traction force direction, the described first adjustable A-frame is fixed on triangle bracing strut corresponding position, is maintained
The tractive force.
8. according to the Bone traction repositioning method described in claim 7, which is characterized in that after the step B or step C also
Including step D10, wherein：
(D10) side is carried out to displacement bone block to push away, after parietal bone block, the mandril is fixed on the second adjustable triangle branch using mandril
On frame, the second adjustable A-frame is fixed on the triangle bracing strut corresponding position.
9. according to the Bone traction repositioning method described in claim 7, which is characterized in that after the step B or step C also
Including step (D20), wherein：
(D20) on the basis of traction reduction, 3D printing goes out fracture model after reset, and external fixer structure is determined on model
Relationship；After the external fixer is sterilized again, install to fracture and carry out auxiliary reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223954.7A CN108210032A (en) | 2018-03-19 | 2018-03-19 | A kind of Bone traction reseting fixture for treating limbs fracture and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223954.7A CN108210032A (en) | 2018-03-19 | 2018-03-19 | A kind of Bone traction reseting fixture for treating limbs fracture and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108210032A true CN108210032A (en) | 2018-06-29 |
Family
ID=62659722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223954.7A Pending CN108210032A (en) | 2018-03-19 | 2018-03-19 | A kind of Bone traction reseting fixture for treating limbs fracture and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108210032A (en) |
Cited By (3)
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| CN109481120A (en) * | 2018-12-18 | 2019-03-19 | 南京市儿童医院 | A kind of novel scoliosis gypsum traction table |
| CN110464438A (en) * | 2019-08-31 | 2019-11-19 | 中国医科大学附属第四医院 | Tibial plateau compression fracture restorer and its application method |
| CN113796940A (en) * | 2021-10-18 | 2021-12-17 | 威海威高骨科手术机器人有限公司 | Adjustable long bone fixing device |
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