CN105147375B - Pelvic fracture closed reduction combination tool - Google Patents
Pelvic fracture closed reduction combination tool Download PDFInfo
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- CN105147375B CN105147375B CN201510339962.4A CN201510339962A CN105147375B CN 105147375 B CN105147375 B CN 105147375B CN 201510339962 A CN201510339962 A CN 201510339962A CN 105147375 B CN105147375 B CN 105147375B
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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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Abstract
Pelvic fracture closed reduction combination tool, belongs to pelvic fracture percutaneous reduction field of tool.It is characterized in that：Including Indirect reduction mechanism and direct reduction mechanism, Indirect reduction mechanism includes connecting rod（1）With installed in connecting rod（1）On multigroup chuck component（2）, by connecting rod after the reduction of the fracture（1）Effectively it is connected and is integrated with direct reduction mechanism by bindiny mechanism；Direct reduction mechanism includes the cross bar being connected with bindiny mechanism（8）Cross bar is arranged on by connecting clip（8）On longitudinal poling（9）, and distraction reduction, pressurization fixation are carried out to deep fracture.The problem of maintenance reset when the present invention effectively solves the closed reduction of pelvic fracture minimally-invasive treatment aspect presence and percutaneously fixed, achievable accurate reset state simultaneously maintains reset, and implementation percutaneous puncture Lag screw is fixed, and improves reset effect and procedure efficiency.
Description
Technical field
Pelvic fracture closed reduction combination tool, belongs to pelvic fracture percutaneous reduction field of tool.
Background technology
Fixation is current treatment Unstable pelvic fractures most common method, its shortcoming major embodiment in open reduction
It is in many cases, injured to implement open surgery in early days in terms of operation wound is big, more than many, complication of losing blood, add
Patient suffering and the reset effect of post-operative.Fixation is clinical conventional another main fixing means outside pelvis frame, mainly
It is adapted to the interim fixation before severe pelvic fractures implementation open surgery, and the maintenance of relative stable fracture is fixed, its
Indirect fixation of the system away from fracture site, shortcoming is mainly that fixed effect is poor, and sagittal plane rotation displacement is difficult to maintain to reset,
And because external fixing rack is located at body surface, influence turn-over bed for patient nursing plays out-of-bed activity early, but also there is the wind of pin track infection
Danger.
PCI pelvic fracture is fixed in closed reduction percutaneous puncture hollow nail, is compared with open surgery, with losing blood
It is few（Blood loss almost can be ignored）, little effect on the human body, the advantages of can treating in early days；And than pelvis external fixed mount more
Plus it is minimally invasive, can realize firm fixation through fracture end, it is postoperative can stand up in early days, out-of-bed activity, nursing is convenient, there's almost no nail
The risk of road infection, is the Main way of domestic and international pelvic fracture Therapy study at present.
However, the good contraposition of fracture is the percutaneous premise put and fixed in nail, although percutaneously nail technical elements are being put, from list
It is pure to have an X-rayed underlying nail by C-arm X-ray machine, nail is put to by CT airmanships, is realized percutaneously safe in pelvis different parts
Nail is put, but the research to closed reduction technology is still immature, and the good contraposition of fracture how is realized in closed state, and
To adapt to the need for putting nail（Proper transformation position is needed when different parts percutaneously put nail, lower operate especially is had an X-rayed）, convert body
It is a problem to maintain reset not lose during position, and effective solution is there is no at present, therefore it is micro- to limit pelvic fracture
Create the application for the treatment of technology.The external fixer that external someone's design is connected with operation table assists to reset pelvic fracture, obtains one
Determine effect, it has the disadvantage：Utensil is heavy, and sterilization is difficult, influence perspective, and patient body position fixes, because that can not directly act on fracture
End carries out resetting influence reset effect, and its essence is still simple Indirect reduction, therefore, it is difficult to promote, and limits its application.
The content of the invention
The technical problems to be solved by the invention are：The deficiencies in the prior art are overcome to act on fracture end there is provided one kind
Neighbouring local direct reduction system carries out the reduction of the fracture, and combines outside Indirect reduction device integral reset rotation displacement, leads to
The overall good combination with local reset is crossed, the exactitude position of realization fracture puts fixed in nail provide well for percutaneous puncture
The pelvic fracture closed reduction combination tool of anatomic basis.
The technical solution adopted for the present invention to solve the technical problems is：The pelvic fracture closed reduction combination tool, its
It is characterised by：Including Indirect reduction mechanism and direct reduction mechanism；
Indirect reduction mechanism includes connecting rod and multigroup chuck component on connecting rod, and multigroup chuck component is pivotable
The two ends and/or middle part of connecting rod are connected to, are effectively connected connecting rod with direct reduction mechanism by bindiny mechanism after the reduction of the fracture
It is fixed as one；
Direct reduction mechanism includes the cross bar being connected with bindiny mechanism and is arranged on the longitudinal direction on cross bar by connecting clip
Poling, longitudinal poling can be percutaneously implantable near fracture end and grappling, and distraction reduction, pressurization fixation are carried out to deep fracture.
The scope of application is wider, and when local fracture dislocation occurs in pelvic ring, the direct reduction mechanism that can be used alone enters to pass through
Skin is strutted, resetted, fixation of pressurizeing.When pelvic ring multiple fracture is shifted, often with the rotation displacement in overall Different Plane,
After now first integrally being resetted to pelvic ring, direct reduction mechanism can be shifted through for fracture end remnants and carries out part again
Position, optimizes reset effect, moreover, directly fixation kit is pivotably mounted on connecting rod, forms three-dimensional framework fixed structure,
When carrying out percutaneous puncture and putting nail and need to adjust position, reset can be prevented effectively from and lose and repeat to reset operation.
During clinical practice, in piling on the ilium of both sides（Piling uses Schanz screws）, multifunctional linkage rod is installed, spiral shell is held
Nail such as is rotated, strutted or pressurize to Ipsilateral pelvis at the operation reset, the hollow top rod of connecting rod side setting if necessary, hollow top rod
Top connects connecting rod by another group of chuck component, and chuck component can be arranged on any part of connecting rod, such as middle part, two ends.
By hollow top rod pushing tow pubis auxiliary, integral-rotation reset is carried out to Ipsilateral pelvis, is percutaneously implantable near fracture end directly
Resetting-mechanism, acts on fracture end direct reduction, to reach accurate reset state and maintain to reset, rear to implement empty in percutaneous puncture marrow
Heart screw is fixed.Improve reset effect and procedure efficiency.
Described connecting rod side sets hollow top rod, and hollow top rod top connects connecting rod by one group of chuck component.
Be equipped with hollow top rod percutaneously safety effect in deep fracture site, can be carried out from pelvis in face of deep fracture site
Effective pushing tow resets, and can be effectively connected with connecting rod corresponding site by chuck.By longitudinal poling by screw anchored in bone
Roll near end, fracture end can be carried out in vitro effectively lifting, pushing tow, strut, reset, pressurizeing etc. operates.Effective solution of the invention
Determined the closed reduction that exists in terms of pelvic fracture minimally-invasive treatment and it is percutaneous fixed when maintain the problem that resets.
The effect of hollow nail rod：From before pubis, top targetedly downwards, outer, rear pushing tow pubis, pass through pushing tow shame
Bone corrects the rotation displacement of Ipsilateral pelvis, the position that the pelvis direct reduction component that is particularly suitable for use in is difficult to play a role.Because shame
Nearby sclerotin is of a relatively loose for synostosis, percutaneously puts nail and easily releases, and direct reduction component risk is installed at Femur blood vessel position out of shape
Relative increase.Because connecting rod site of action is mainly ilium, site of action limitation, the fracture of pubis being pointed to below applies multiple
Position force limited, is beneficial to form three-dimensional framework after correcting rotation displacement, reset in Different Plane by following closely rod pushing tow pubis
It is fixed, maintain reset effect reliable.It is placed in use, stainless steel guide pin is percutaneously first penetrated into individual layer sclerotin near application point, after
Hollow nail rod is prevented into the situation for occurring slipping when pushing tow resets along guide pin Insertion action in bone surface.During deep operation, due to
Hollow top caput end circle is blunt, does not possess the risk for causing nervus vasculairs to puncture when spatium extraperitoneale is moved along pubis inner face,
When application point is determined in choosing, bone face first can be inserted to along top rod is hollow with fine needle, rollback guide pin judges according to top rod side opening bleeding
Whether there is vascular puncture damage, improve operation safety.
Described chuck component includes rotating controllable chuck and rotates contiguous block, rotates controllable chuck fixing end and clamps transverse direction
Connecting rod, turning end connection rotates contiguous block, rotates and piling screw is installed on contiguous block is fixed on ilium, piling screw can pass through
Rotate to be formed between contiguous block and the turning end for rotating controllable chuck and freely rotate.
Described connecting rod is divided into the multistage being mutually inserted, including translation inserting section, rotation inserting section and universal rotational end
By translating two sections of connecting rods that fixation kit connection is mutually inserted in stopper, translation inserting section, rotate in inserting section by turning
Axial translation only occurs each other for two sections of connecting rods that the connection of movable slider component is mutually inserted, two sections of connecting rods of translation grafting,
Radial rotating only occurs each other for two sections of connecting rods for rotating grafting, and interlinking lever end is carrying out multidimensional provided with prevention chuck component
Rotation displacement does not occur laterally to reset the universal rotational end resistance block for causing to lose when correcting.
Connecting rod is divided into multistage, and multistage is mutually inserted, and change is made from the body of connecting rod, just solves horizontal stroke during reset
To the problem of movement and radial rotating, the adjustment modes of Ipsilateral pelvis-repositioning state are increased, more targeted during reset, selection
Property, harmony and sequential.
Two sections of connecting rod homogeneous sections that described translation inserting section rotates inserting section are solid hopkinson bar, and another section is internal diameter phase therewith
Provided with the contact plane for preventing it from arbitrarily rotating at the top of solid hopkinson bar in the hollow stem of cooperation, the translation inserting section；The sky
The jackscrew of the fixed solid hopkinson bar inserted in it is provided with core bar.
Described longitudinal poling is the hollow pipe of inner wall smooth, and the inner ring of the hollow pipe percutaneous puncture one end is provided with stop
The back-up ring that screw falls, the internal diameter of back-up ring is less than the internal diameter at other positions of body.
The inner ring of longitudinal poling percutaneous puncture one end makes it in hollow pipe percutaneous puncture provided with the back-up ring that screw falls is stopped
One end formation close up, be percutaneously implantable after screw, screw tail cap be located at poling head end in, you can multi-angle rotary be unlikely to pine
It is de-, it is postoperative and screw can be removed easily.
Described connecting clip includes cross bar contiguous block, longitudinal poling contiguous block, regulating bolt and adjusting nut, and cross bar connects
Block is connect for the T-shaped block with boss, hole of the boss provided with concatenation cross bar, the disk side of boss side is provided with convex stupefied；Longitudinal direction
Connected and fastened by adjusting nut by regulating bolt between poling contiguous block and cross bar contiguous block, and longitudinal poling contiguous block with
The side of cross bar contiguous block connection is again provided with convex stupefied disk.
It can be fixed on cross bar contiguous block provided with single jackscrew, it is ensured that position of the cross bar contiguous block on cross bar can individually be adjusted
It is whole, fixed, the influence of not modulated nut.
Described bindiny mechanism includes connecting rod and active joint, and connecting rod two ends are removable by an active joint respectively
The connection connecting rod and cross bar unloaded.
There is prior art to compare, the present invention is had an advantageous effect in that：The scope of application is wider, occurs in pelvic ring local
During displacement fracture, if there is the rotary shifted of single plane, the direct reduction mechanism that can be used alone enters percutaneous and struts, lifts again
Position, pressurization are fixed.When pelvic ring multiple fracture is shifted, often the rotation displacement with fracture in Different Plane, now first
Pelvic ring is integrally carried out after Indirect reduction, can be carried out again for specific fracture site by direct reduction mechanism local multiple
Position, is shifted with correcting residual, optimizes reset effect；Moreover, the local pivotable bridge joint of directly fixation kit is fixed on connecting rod,
When progress percutaneous puncture puts nail and need to adjust position, reset can be prevented effectively from and lose and repeat.
Brief description of the drawings
Fig. 1 is pelvic fracture closed reduction combination tool annexation schematic diagram.
Fig. 2 is Indirect reduction mechanism annexation schematic diagram.
Fig. 3 is direct reduction mechanism annexation schematic diagram.
Fig. 4 is connecting clip side view schematic diagram.
Fig. 5 is the side view schematic diagram of cross bar contiguous block.
Fig. 6 is longitudinal poling sectional view schematic diagram.
Fig. 7 is hollow top rod sectional view schematic diagram.
Fig. 8 is translation inserting section annexation schematic diagram.
Fig. 9 is rotation inserting section annexation schematic diagram.
Figure 10 is universal rotational end resistance block installation relation schematic diagram.
Wherein：1st, connecting rod 101, grafting body 102, spliced eye 103, detent 2, chuck component 201, rotation
Controllable chuck 202, rotation contiguous block 203, fastening bolt 3, translation fix jackscrew 4, rotate jackscrew 5, connecting rod 6, beat
Stake screw 7, active joint 8, cross bar 9, longitudinal poling 10, connecting clip 1001, cross bar contiguous block 1002, longitudinal poling
Contiguous block 1003, regulating bolt 1004, adjusting nut 1005, convex stupefied 1006, spacing jackscrew 11, universal rotational end resistance gear
Block 1101, stop jackscrew 12, back-up ring 13, hollow top rod 1301, side opening 14, guide pin.
Embodiment
Fig. 1 ~ 10 are highly preferred embodiment of the present invention, and 1 ~ 10 the present invention will be further described below in conjunction with the accompanying drawings.
Referring to the drawings 1 ~ 10：The pelvic fracture closed reduction combination tool, including Indirect reduction mechanism and direct reduction machine
Structure, Indirect reduction mechanism includes connecting rod 1 and multigroup chuck component 2 on connecting rod 1, and multigroup chuck component 2 is pivotable
It is connected to the two ends and middle part of connecting rod 1；The side of connecting rod 1 of Indirect reduction mechanism is rotatably connected directly multiple by bindiny mechanism
Position mechanism；Direct reduction mechanism includes the cross bar 8 being connected with bindiny mechanism and is arranged on the longitudinal direction on cross bar 8 by connecting clip
Poling 9, longitudinal poling 9 can put axial rotation centered on connecting clip.Bindiny mechanism includes connecting rod 5 and active joint 7, even
The two ends of extension bar 5 removably connect connecting rod 1 and cross bar 8 by an active joint 7 respectively.
Hollow top rod 13 can be also set in connecting rod side, and hollow top rod 13, which is provided with, allows the endoporus that guide pin 14 is passed through, middle part
Side wall is provided with the side opening 1301 of multiple axial arrangings, and bottom is that guide pin 14 selects stainless steel with cambered circle blunt end head
Material, bottom is set for tip, as shown in fig. 7, the hollow top top of rod 13 connects connecting rod 1 by another group of chuck component 2.Folder
Head assembly 2 can be arranged on any part of connecting rod 1, such as middle part, two ends.Be equipped with it is hollow top rod 13 can percutaneously safety effect in depth
Portion's fracture site, carries out effective pushing tow reset, and can pass through chuck component 2 and connecting rod from pelvis in face of deep fracture site
1 effectively connection.By longitudinal poling 9 by screw anchored near fracture end, also fracture end effectively can be strutted in vitro, multiple
The operations such as position, pressurization, effectively solve the closed reduction that exists in terms of pelvic fracture minimally-invasive treatment and are maintained when percutaneous fixed
The problem of reset.
The effect of hollow top rod 13：From before pubis, top targetedly downwards, outer, rear pushing tow pubis, pass through pushing tow
Pubis corrects the rotation displacement of Ipsilateral pelvis, the position that the pelvis direct reduction component that is particularly suitable for use in is difficult to play a role.Because
Nearby sclerotin is of a relatively loose for pubic symphysis, percutaneously puts nail and easily releases, and direct reduction component wind is installed at Femur blood vessel position out of shape
The relative increase in danger.Because the site of action of connecting rod 1 is mainly ilium, site of action limitation, the fracture of pubis being pointed to below is applied
Plus reset response power is limited, it is beneficial to correct shape after rotation displacement, reset in Different Plane by the hollow top pushing tow pubis of rod 13
Fixed into three-dimensional framework, maintain reset effect reliable.In use, stainless steel guide pin 14 percutaneously first is penetrated into individual layer sclerotin is placed in work
With point nearby, after by it is hollow push up rod 13 along the Insertion action of guide pin 14 in bone surface, prevent the situation for occurring slipping when pushing tow resets.
During deep operation, because the hollow top termination of rod 13 circle is blunt, does not possess when spatium extraperitoneale is moved along pubis inner face and cause blood vessel
The risk that nerve is punctured, when application point determine in choosing, first can be inserted to bone face with guide pin 14 along the hollow rod 13 that pushes up, rollback guide pin 14,
The bleeding of side opening 1301 according to hollow top rod 13 determines whether that vascular puncture is damaged, and improves operation safety.
As shown in figure 1, chuck component 2 is provided with three groups, the two ends and center of connecting rod 1 are separately mounted to, chuck component 2 is wrapped
Include the controllable chuck 201 of rotation, rotate contiguous block 202 and piling screw 6, rotate the controllable fixing end of chuck 201 and clamp connecting rod 1, turn
The dynamic controllable middle part of chuck 201 is provided with fastening bolt 203, adjusts its tightness with connecting rod 1 by fastening bolt, turning end connects
Switch through dynamic contiguous block 202, it is a spherical swivel to rotate the turning end of contiguous block 202, swivel is embedded in rotation
In the turning end of controllable chuck 201, rotate contiguous block 202 and be provided with through hole, piling screw 6 is installed in the through hole, spiral shell of driving piles
Nail 6 is Schanz screws, and Schanz screws can be by rotating shape between contiguous block 202 and the turning end for rotating controllable chuck 201
Into freely rotate with to fracture reset.
Connecting rod 1 is divided into the multistage being mutually inserted, including translation inserting section and rotation inserting section and universal rotational end resistance gear
By translating two sections of connecting rods 1 that fixation kit connection is mutually inserted in block 11, translation inserting section, rotate in inserting section by rotating
Axial translation only occurs each other for two sections of connecting rods 1 that slide block assembly connection is mutually inserted, two sections of connecting rods 1 of translation grafting,
Radial rotating only occurs each other for two sections of connecting rods 1 for rotating grafting, and the end of connecting rod 1 is being entered provided with prevention chuck component 2
Row multidimensional rotation displacement does not occur laterally to reset the universal rotational end resistance block 11 for causing to lose when correcting, universal rotational end resistance gear
Block 11 is an endless totally enclosed annulus, is sleeved on the end of connecting rod 1, and annulus is provided with screw hole, and screw hole is built with resistance
Jackscrew 1101 is kept off, for fixing connecting rod and universal rotational end resistance block 11.
Longitudinal poling 9 is the hollow pipe of interior smooth, and the inner ring of the hollow pipe percutaneous puncture one end is provided with stop screw
The back-up ring 12 of whereabouts, the internal diameter of back-up ring 12 is less than the internal diameter at other positions of longitudinal body of poling 9.
Translate inserting section and rotate two sections of homogeneous sections of connecting rod 1 of inserting section for solid hopkinson bar, another section is that internal diameter matches therewith
One section of top of solid hopkinson bar in the hollow stem of conjunction, translation inserting section is provided with the contact plane for preventing it from arbitrarily rotating；On hollow stem
It is provided with the jackscrew of the fixed solid hopkinson bar inserted in it.
As shown in Figure 8 and Figure 9, specifically, two sections of connecting rods 1 of translation inserting section include coordinating the grafting of plane with grafting
Body 101 and spliced eye 102, grafting body 101 are the solid hopkinson bar that top is provided with contact plane, one section of connecting rod 1 being set with therewith
For the hollow pipe with same shape endoporus, the endoporus is spliced eye 102, and two connecting rods 1 pass through grafting body 101 and spliced eye
102 docking, and the translation fixation kit provided with the fixed grafting body 101 inserted inside it on one section of hollow connecting rod 1.
It is hollow pipe to rotate the connecting rod 1 that inserting section is side, and the connecting rod 1 of opposite side is grafting body 101, grafting body
101 be solid hopkinson bar, and the external diameter of the solid hopkinson bar is less than or equal to the internal diameter of hollow pipe, and solid hopkinson bar can be inserted in hollow pipe, and hollow
Rotation can be achieved in pipe.Turning block component provided with the fixed solid hopkinson bar inserted inside it on hollow pipe, is inserted in solid hopkinson bar
The grafting end of adapter body 101 is provided with for the fixed detent 103 of turning block component insertion.
Jackscrew 3 is fixed in the translation that translation fixation kit includes being arranged on hollow connecting rod 1, and the fixed jackscrew 3 of translation is used to control
Connecting rod 1 processed translates the movement of inserting section；Turning block component includes a rotation jackscrew 4, rotates jackscrew 4 and is inserted with control rotation
The rotation of section connecting rod 1 is connect, the bottom of jackscrew 4 is rotated and is fixedly mounted in detent 103, prevents to rotate the grafting body of inserting section
101 rotate, and remove and rotate after jackscrew 4, and the grafting body 101 for rotating inserting section can be achieved freely to rotate.
Referring to the drawings 3 ~ 5, connecting clip 10 includes cross bar contiguous block 1001, longitudinal poling contiguous block 1002, regulating bolt
1003 and adjusting nut 1004, cross bar contiguous block 1001 is the T-shaped block with boss, and hole of the boss provided with concatenation cross bar 8 is convex
The disk side of platform side is provided with convex stupefied 1005；By adjusting spiral shell between longitudinal poling contiguous block 1002 and cross bar contiguous block 1001
Bolt 1003 is connected and fastened by adjusting nut 1004, and the side that longitudinal poling contiguous block 1002 is connected with cross bar contiguous block 1001
It is again provided with convex stupefied 1005 disk.The junction of longitudinal poling contiguous block 1002 and cross bar contiguous block 1001 be again with
Convex stupefied disk, can avoid two longitudinal poling 9 occurred level displacements when occurring axial rotation, thus limit longitudinal poling 9 and exist
The rectilinear movement of horizontal direction.It can be fixed on cross bar contiguous block 1001 provided with single spacing jackscrew 1006, it is ensured that cross bar is connected
Position of the block 1001 on cross bar 8 can individually be adjusted, fixed, the influence of not modulated nut 1004.
Operation principle and the course of work：This pelvic fracture closed reduction combination tool is operationally, it then follows first reset overall
Big rotation displacement, then carries out the local direct contraposition of fracture, then Indirect reduction mechanism and direct reduction mechanism is effective
It is connected, maintains to fix so as to complete comprehensive reset of pelvic ring, three-dimensional frame structure.
When multiple location Different Plane rotation displacement occurs in pelvic ring, the correction of integral-rotation displacement, clipping room are first carried out
Resetting-mechanism is connect, during concrete operations, screw is inserted prior to both sides ilium, installing connecting rods 1 enter according to the direction of ilium rotation displacement
Row is strutted or drawn in, and after percutaneously being inserted on pubis, longitudinal poling 9 is lifted or hollow nail rod carries out ejection（According to fracture of pubis portion
Bit shift direction）, longitudinal poling 9 or hollow top rod 13 are connected to form three-dimensional frame structure with connecting rod 1 after reset.If multiple
Position can well implement percutaneous puncture hollow screw and fix, and complete Post operation and remove external resetting means.If by above-mentioned steps pair
Fracture is carried out after overall Indirect reduction, and fracture end can not still realize good contraposition（Dislocation is more than 1cm）, can be passed through in fracture end both sides
The longitudinal poling 9 of skin implantation, installs direct reduction mechanism, the operation such as lifts, struts, pressurize by longitudinal poling 9 and completing reset, and
It is connected and is integrated with connecting rod 1 by bindiny mechanism, and remain fixed, is hereafter consolidated in progress percutaneous puncture implantation hollow screw
Determine fracture end, complete operation.
When the rotation displacement that pelvic fracture is single plane, longitudinal poling 9 can be implanted into fracture end both sides merely, by straight
Resetting-mechanism reseting fracture end is connect, rotation displacement is corrected and align fracture end completing reset.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. pelvic fracture closed reduction combination tool, it is characterised in that：Including Indirect reduction mechanism and direct reduction mechanism；
Indirect reduction mechanism includes connecting rod（1）With installed in connecting rod（1）On multigroup chuck component（2）, multigroup chuck component（2）
It is pivotable to be connected to connecting rod（1）Two ends and/or middle part, by connecting rod after the reduction of the fracture（1）It is by bindiny mechanism and directly multiple
Position mechanism, which is effectively connected, to be integrated；
Direct reduction mechanism includes the cross bar being connected with bindiny mechanism（8）Cross bar is arranged on by connecting clip（8）On it is vertical
To poling（9）, longitudinal poling（9）It can be percutaneously implantable near fracture end and grappling, and distraction reduction, pressurization are carried out to deep fracture
It is fixed；
Described connecting rod（1）Side sets hollow top rod（13）, hollow top rod（13）Top passes through one group of chuck component（2）Connection
Connecting rod（1）；
Hollow top rod（13）Provided with allowing guide pin（14）The endoporus passed through, middle part of sliding channel is provided with the side opening of multiple axial arrangings
（1301）.
2. pelvic fracture closed reduction combination tool according to claim 1, it is characterised in that：Described chuck component
（2）Including rotating controllable chuck（201）With rotation contiguous block（202）, rotate controllable chuck（201）Fixing end clamps horizontal company
Bar（1）, turning end connection rotation contiguous block（202）, rotate contiguous block（202）It is upper that piling screw is installed（6）Ilium is fixed on, is beaten
Stake screw（6）Can be by rotating contiguous block（202）With rotating controllable chuck（201）Turning end between formed and freely rotate.
3. pelvic fracture closed reduction combination tool according to claim 1, it is characterised in that：Described connecting rod（1）Can
It is divided into the multistage being mutually inserted, including translation inserting section, rotation inserting section and universal rotational end resistance block, translation inserting section and leads to
Cross and be mutually inserted in two sections of connecting rods that translation fixation kit connection is mutually inserted, rotation inserting section by the connection of turning block component
Two sections of connecting rods, axial translation only occurs each other for two sections of connecting rods of translation grafting, and two sections of connecting rods for rotating grafting are mutual
Between only occur radial rotating, connecting rod（1）End is provided with prevention chuck component（2）Carrying out when multidimensional rotation displacement is corrected not
Occur laterally to reset the universal rotational end resistance block for causing to lose（11）.
4. pelvic fracture closed reduction combination tool according to claim 3, it is characterised in that：Described translation inserting section
Rotate two sections of connecting rods of inserting section（1）Homogeneous section is solid hopkinson bar, and another section is internal diameter hollow stem with matching, the translation
Provided with the contact plane for preventing it from arbitrarily rotating at the top of solid hopkinson bar in inserting section；It is provided with fixing on the hollow stem and inserts it
The jackscrew of interior solid hopkinson bar.
5. pelvic fracture closed reduction combination tool according to claim 1, it is characterised in that：Described longitudinal poling
（9）For the hollow pipe of inner wall smooth, the inner ring of the hollow pipe percutaneous puncture one end is provided with the back-up ring for stopping screw whereabouts（12）, gear
Circle（12）Internal diameter be less than body other positions internal diameter.
6. pelvic fracture closed reduction combination tool according to claim 1, it is characterised in that：Described connecting clip bag
Include cross bar contiguous block（1001）, longitudinal poling contiguous block（1002）, regulating bolt（1003）And adjusting nut（1004）, cross bar company
Connect block（1001）For the T-shaped block with boss, boss is provided with concatenation cross bar（8）Hole, boss side disk side be provided with
It is convex stupefied（1005）；Longitudinal poling contiguous block（1002）With cross bar contiguous block（1001）Between pass through regulating bolt（1003）Connection is simultaneously
By adjusting nut（1004）Fastening, and longitudinal poling contiguous block（1002）With cross bar contiguous block（1001）The side of connection is equally set
Have with convex stupefied（1005）Disk.
7. pelvic fracture closed reduction combination tool according to claim 1, it is characterised in that：Described bindiny mechanism's bag
Include connecting rod（5）And active joint（7）, connecting rod（5）Two ends pass through an active joint respectively（7）Dismountable connection connecting rod
（1）And cross bar（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339962.4A CN105147375B (en) | 2015-06-18 | 2015-06-18 | Pelvic fracture closed reduction combination tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339962.4A CN105147375B (en) | 2015-06-18 | 2015-06-18 | Pelvic fracture closed reduction combination tool |
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| Publication Number | Publication Date |
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| CN105147375A CN105147375A (en) | 2015-12-16 |
| CN105147375B true CN105147375B (en) | 2017-10-24 |
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|---|---|---|---|
| CN201510339962.4A Expired - Fee Related CN105147375B (en) | 2015-06-18 | 2015-06-18 | Pelvic fracture closed reduction combination tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864811A (en) * | 2019-04-02 | 2019-06-11 | 王庆元 | Pelvic fracture replacement and fixation external member |
| CN111529029B (en) * | 2020-05-21 | 2024-01-23 | 上海长海医院 | Integrative external fixation support of ring around pelvis |
| CN111658171A (en) * | 2020-06-03 | 2020-09-15 | 山东威高骨科材料股份有限公司 | Traction frame for spinal column orthopedic operation |
| CN112472262A (en) * | 2020-12-11 | 2021-03-12 | 陈聚伍 | Single-rod four-nail external fixing frame for fracture |
| CN113813054B (en) * | 2021-08-13 | 2023-11-17 | 上海大学 | Universal adjusting type pelvis clamping instrument of pelvis fracture reduction robot |
| CN113974815A (en) * | 2021-10-22 | 2022-01-28 | 上海大学 | Universal and hydraulic expansion type clamping instrument of pelvic fracture reduction robot |
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| US6162222A (en) * | 1998-11-11 | 2000-12-19 | Electro Biology, Inc. | Method and apparatus for external fixation of the pelvis |
| CN201012125Y (en) * | 2007-03-26 | 2008-01-30 | 孙鲁伟 | Adjustable pelvis rack |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN104127231A (en) * | 2014-07-16 | 2014-11-05 | 王钢 | Minimally-invasive S1 sacroiliac joint screw positioning guider |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070038217A1 (en) * | 2005-08-09 | 2007-02-15 | Brown Daniel G | Orthopaedic fixation clamp and method |
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2015
- 2015-06-18 CN CN201510339962.4A patent/CN105147375B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US6162222A (en) * | 1998-11-11 | 2000-12-19 | Electro Biology, Inc. | Method and apparatus for external fixation of the pelvis |
| CN201012125Y (en) * | 2007-03-26 | 2008-01-30 | 孙鲁伟 | Adjustable pelvis rack |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN104127231A (en) * | 2014-07-16 | 2014-11-05 | 王钢 | Minimally-invasive S1 sacroiliac joint screw positioning guider |
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| CN105147375A (en) | 2015-12-16 |
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