CN203425019U - Elbow joint dynamic and static combination regulating type external fixer - Google Patents
Elbow joint dynamic and static combination regulating type external fixer Download PDFInfo
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- CN203425019U CN203425019U CN201320551556.0U CN201320551556U CN203425019U CN 203425019 U CN203425019 U CN 203425019U CN 201320551556 U CN201320551556 U CN 201320551556U CN 203425019 U CN203425019 U CN 203425019U
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Abstract
The utility model relates to an elbow joint dynamic and static combination regulating type external fixer. The elbow joint dynamic and static combination regulating type external fixer comprises an external bone fixing bracket, a steel needle fixing frame and a steel needle, wherein the external bone fixing bracket comprises first, second and third U-shaped hole semi-rings in which multiple first through holes are formed uniformly; the first hole semi-ring and the second hole semi-ring are parallel with each other, have the openings in the same direction, and are connected through multiple parallel connecting screw rods; the two ends of each connecting screw rod respectively stretch into corresponding first through holes in the first hole semi-ring and the second hole semi-ring and are fixed through upper and lower locknuts; the third hole semi-ring is located at the other side of the second hole semi-ring, relative to the first hole semi-ring, and is vertical to the second hole semi-ring; the opening direction of the third hole semi-ring points to the second hole semi-ring; the middle parts of both the third hole semi-ring and the second hole semi-ring are connected through an arc-shaped connecting rod; the two ends of both the third and second hole semi-rings are connected through dynamic traction joint devices. The elbow joint dynamic and static combination regulating type external fixer is flexible to operate, improves curative effect and reduces complication of far-end bone fracture of an arm bone of an elbow joint.
Description
Technical field
This utility model belongs to medical instruments field, particularly a kind of external fixator for the treatment of elbow joint fracture.
Background technology
In existing medical skill, when elbow joint distal humerus and elbow joint fracture occur patient, conventionally select plaster splint to fix, but long-time like this fixing can cause the muscle of crossing over joint to cause shortened deformity; Current existing external fixator has unilateral external fixator in addition, during use because of structural limitations and draw point thicker, can only carry out the fixing of trans-articular, to comminuted fracture, can not provide effectively fixing, can be bad because of the reduction of the fracture, affect union of fracture and function of joint, often there is elbow joint malunion.
Utility model content
The purpose of this utility model is to provide a kind of elbow joint regulation and control external fixator of being association of activity and inertia, and flexible operation improves curative effect, reduces the complication of elbow joint fracture of distal end of humerus.
For solving above-mentioned utility model object, this utility model provides a kind of elbow joint regulation and control external fixator of being association of activity and inertia, and comprises the draw point fixed mount that arranges on external fixed support for bone, described external fixed support for bone and by the fixing draw point of described draw point fixed mount;
Described external fixed support for bone comprises the first hole semi-ring, the second hole semi-ring and the 3rd hole semi-ring that is " U " shape and is evenly provided with a plurality of the first through holes on it; Described the first hole semi-ring be parallel to each other with described the second hole semi-ring and opening direction identical, between described the first hole semi-ring and described the second hole semi-ring, by a plurality of parallel connecting screw rods, connect, the first corresponding through hole on described the first hole semi-ring and the second hole semi-ring is stretched into respectively at the two ends of described connecting screw rod, and fixes by upper lower locking nut;
Described external fixed support for bone comprises the first hole semi-ring, the second hole semi-ring and the 3rd hole semi-ring that is " U " shape and is evenly provided with a plurality of the first through holes on it; Described the first hole semi-ring be parallel to each other with described the second hole semi-ring and opening direction identical, between described the first hole semi-ring and described the second hole semi-ring, by a plurality of parallel connecting screw rods, connect, described connecting screw rod is used for stretching into described the first through hole, and fixes by upper lower locking nut;
Described the 3rd hole semi-ring is positioned at described the second hole semi-ring with respect to the opposite side of described the first hole semi-ring, perpendicular with described the second hole semi-ring, and opening direction is towards described the second hole semi-ring, described the 3rd hole semi-ring is connected by arc-shaped connecting rod with described the second hole semi-ring middle part, and described the 3rd hole semi-ring is connected by dynamic traction joint device with described the second hole semi-ring two ends; Described dynamic traction joint device comprises the first joint connector being connected with end first through hole of described the second hole semi-ring and the second joint connector being connected with corresponding the first through hole on described the 3rd hole semi-ring, connects and can swing by relative described mandrel between described the first joint connector and described second joint connector by mandrel.
As technique scheme preferably, between described the first joint connector and described the first through hole, by the first threaded rod, be connected, described the first threaded rod is fixed by being positioned at the upper lower locking nut of described through hole both sides.
As technique scheme preferably, described arc-shaped connecting rod is curved, its two ends are thread segment, described thread segment and described the first through hole match and fix by upper lower locking nut.
As technique scheme preferably, described draw point fixed mount comprises and stretches out type fixed mount, the described type fixed mount that stretches out comprises draw point pressure pad and draw point pad, on described draw point pressure pad, be provided with the first hole slot that at least one and described draw point match, described draw point pressure pad and described draw point pad match, for described draw point is fixed.
As technique scheme preferably, the middle part of described draw point pressure pad and described draw point pad is provided with the second through hole, described the second through hole is used for being socketed the second threaded rod, the other end of described the second threaded rod stretches into described the first through hole, and described the second threaded rod and described the first through hole are fixed by upper lower locking nut.
As technique scheme preferably, the described type fixed mount that stretches out also comprises for by described draw point pressure pad and described draw point pad and the fixing stop nut of described the second threaded rod, described stop nut is two, is spirally connected and is positioned at the outside of described draw point pressure pad and described draw point pad with described the second threaded rod.
As technique scheme preferably, described in stretch out type fixed mount quantity be four: one of them is arranged at the middle part of described the first hole semi-ring, and the direction of stretching out of its second threaded rod is to deviate from the side of described the second hole semi-ring; Two other is arranged at the end of described the first hole semi-ring, and its second threaded rod stretches out respectively the both sides of described the second hole semi-ring; All the other middle parts that are arranged at described the 3rd hole semi-ring, it is to deviate from the side of described the second hole semi-ring that its second threaded rod stretches out direction.
As technique scheme preferably, described draw point fixed mount also comprises attached type fixed mount, described attached type fixed mount comprises draw point fixed block, the bottom of described draw point fixed block is provided with the second hole slot that at least one and described draw point match, the bottom of described draw point fixed block is also connected with the 3rd threaded rod matching with described the first through hole, and the 3rd threaded rod and described first through hole of described attached type fixed mount are fixed by nut.
As technique scheme preferably, described attached type fixed mount comprises 5: wherein three described attached type fixed mounts are positioned at the middle part of described the second hole semi-ring, and the two ends that all the other two described attached type fixed mounts lay respectively at described the 3rd hole semi-ring are oppositely arranged.
As technique scheme preferably, the number of described connecting screw rod is 4.
Effect of the present utility model is:
The elbow joint that this utility model the provides regulation and control external fixator of being association of activity and inertia, by arranging external fixed support for bone, draw point fixed mount and draw point; External fixed support for bone comprises the first hole semi-ring, the second hole semi-ring and the 3rd hole semi-ring that is " U " shape and is evenly provided with a plurality of the first through holes on it; First and second hole semi-ring be parallel to each other and opening direction identical, and connect by a plurality of parallel connecting screw rods, the first corresponding through hole on the first hole semi-ring and the second hole semi-ring is stretched into respectively at the two ends of connecting screw rod, and fixes by upper lower locking nut; The 3rd hole semi-ring is positioned at the second hole semi-ring with respect to the opposite side of the first hole semi-ring, perpendicular with the second hole semi-ring, and opening direction is towards the second hole semi-ring, the 3rd is connected by arc-shaped connecting rod with the second hole semi-ring middle part, and the 3rd is connected by dynamic traction joint device with the second hole semi-ring two ends.This elbow joint regulation and control external fixator flexible operation of being association of activity and inertia, improves curative effect, reduces the complication of elbow joint fracture of distal end of humerus.
Accompanying drawing explanation
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of this utility model will become apparent and easily understand.
A kind of elbow joint that Fig. 1 provides for this utility model one embodiment be association of activity and inertia regulation and control external fixator structural representation;
Fig. 2 be in Fig. 1 elbow joint be association of activity and inertia regulation and control external fixator decomposing schematic representation;
Fig. 3 be in Fig. 1 elbow joint be association of activity and inertia regulation and control external fixator using state schematic diagram;
Wherein, 1-external fixed support for bone; 10-the first hole semi-ring; 11-the second hole semi-ring; 12-the 3rd hole semi-ring;
13-the first through hole; 14-arc-shaped connecting rod; 15-dynamic traction joint device; 151-the first joint connector;
152-second joint connector; 153-mandrel; 16-the second threaded rod; 17-connecting screw rod; 2-draw point fixed mount;
21-stretches out type fixed mount; 211-draw point pressure pad; 212-draw point pad; 22-attached type fixed mount; 221-draw point fixed block;
222-the 3rd threaded rod; 3-draw point.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
For topography and injury characteristic, the treatment theory of being association of activity and inertia with trans-articular, design the present embodiment provide across the fixing external fixator of elbow joint.A kind of elbow joint that Fig. 1 provides for this utility model one embodiment be association of activity and inertia regulation and control external fixator structural representation, Fig. 2 be in Fig. 1 elbow joint be association of activity and inertia regulation and control external fixator decomposing schematic representation, Fig. 3 be in Fig. 1 elbow joint be association of activity and inertia regulation and control external fixator using state schematic diagram, shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a kind of elbow joint regulation and control external fixator of being association of activity and inertia, and comprises the draw point fixed mount 2 that arranges on external fixed support for bone 1, external fixed support for bone 1 and by the fixing draw point 3 of draw point fixed mount 2.
External fixed support for bone 1 comprises the first hole semi-ring 10, the second hole semi-ring 11 and the 3rd hole semi-ring 12 that is " U " shape and is evenly provided with a plurality of the first through holes 13 on it; The first hole semi-ring 10 be parallel to each other with the second hole semi-ring 11 and opening direction identical, between the first hole semi-ring 10 and the second hole semi-ring 11, by a plurality of parallel connecting screw rods 17, connect, the first through hole 13 corresponding on the first hole semi-ring 10 and the second hole semi-ring 11 is stretched into respectively at the two ends of connecting screw rod 17, and fixes by upper lower locking nut.The number of connecting screw rod 17 can for 3 and more than, in order further to guarantee stability, as technique scheme preferably, the number of connecting screw rod 17 is 4.
The 3rd hole semi-ring 12 is positioned at the second hole semi-ring 11 with respect to the opposite side of the first hole semi-ring 10, perpendicular with the second hole semi-ring 11, and opening direction is towards the second hole semi-ring 11, the 3rd hole semi-ring 12 is connected by arc-shaped connecting rod 14 with the second hole semi-ring 11 middle parts, and the 3rd hole semi-ring 12 is connected by dynamic traction joint device 15 with the second hole semi-ring 11 two ends; Dynamic traction joint device 15 comprises and between the first joint connector 151 being connected with end first through hole of the second hole semi-ring 11 and second joint connector 152, the first joint connectors 151 that are connected with corresponding the first through hole on the 3rd hole semi-ring 12 and second joint connector 152, by mandrel 153, connecting and can relative mandrel 153 swings.Concrete the first joint connector 151 and the annexation between second joint connector 152 can be referring to Fig. 2, the first joint connector 151 is provided with hole slot, and second joint connector 152 is provided with corresponding projection, and then fix by mandrel, between such the first joint connector 151 and second joint connector 152, can relatively swing, realize the relative swing between the 3rd hole semi-ring 12 and the 3rd hole semi-ring 12, positive outer edge and the reverse side outer edge of hole semi-ring are all carved with angle scale, improve the relevance grade of bone external fixator, especially the operation precision to bone external fixator, operation installation rate, operation installation level, and teaching all has very large practical significance.
Concrete, the structure that the first hole semi-ring 10 and the second hole semi-ring 11 form with a plurality of parallel connecting screw rods 17 is fixing mainly for distal humerus position, and the 3rd hole semi-ring 12 fixing mainly for ulna position, early stage for guaranteeing the biological processes of union of fracture, between humerus and ulna device, increase arc-shaped connecting rod 14, implement static fixing; Syntripsis at humerus position is implemented to thread a needle fixing by the first hole semi-ring 10 and the second hole semi-ring 11.But for avoiding elbow joint because of long-term fixing, the elbow joint dysfunction causing, has increased dynamic traction joint device 15 in trans-articular position, to implement dynamically to fix at middle and late stage, carry out the functional training of elbow joint.
Elbow joint external fixator, the external fixator that a kind of trans-articular is association of activity and inertia, can thread a needle-reset at humerus and 1/3 respectively during use-fix; The fixing of trans-articular can be implemented in early days, local the fixing of fracture can be implemented mid-term.It is the excellent process with treatment elbow joint complicated fracture.For topography and injury characteristic, with trans-articular, be association of activity and inertia and the fixing treatment theory of balance, designed across the fixing external fixator of elbow joint.Early stage is the biological processes of guaranteeing union of fracture, increases arc-shaped connecting rod between humerus and ulna device, implements static fixing; For avoiding elbow joint because of long-term fixing, the joint function disturbance causing, has increased dynamic joint device in trans-articular position, to implement dynamically to fix at middle and late stage, carry out the functional training of shoulder joint.On distal humerus hole semi-ring, can thread a needle fixing to the fast enforcement of syntripsis.
The elbow joint that this utility model the provides regulation and control external fixator of being association of activity and inertia, by external fixed support for bone 1 is set, it comprises the first hole semi-ring 10, the second hole semi-ring 11 and the 3rd hole semi-ring 12 that is " U " shape and is evenly provided with a plurality of the first through holes 13 on it, the first hole semi-ring 10 be parallel to each other with the second hole semi-ring 11 and opening direction identical, between the first hole semi-ring 10 and the second hole semi-ring 11, by a plurality of parallel connecting screw rods 17, connect, the 3rd hole semi-ring 12 is positioned at the second hole semi-ring 11 with respect to the opposite side of the first hole semi-ring 10, perpendicular with the second hole semi-ring 11, and opening direction is towards the second hole semi-ring 11, the 3rd hole semi-ring 12 is connected by arc-shaped connecting rod 14 with the second hole semi-ring 11 middle parts, the 3rd hole semi-ring 12 is connected by dynamic traction joint device 15 with the second hole semi-ring 11 two ends, this elbow joint regulation and control external fixator flexible operation of being association of activity and inertia, improve curative effect, reduce the complication of elbow joint distal humerus and ulnar fracture, can be respectively during use by the first hole semi-ring 10, the second hole semi-ring 11 and the 3rd hole semi-ring 12 by draw point fixed mount fixedly draw point be separately implemented at humerus and 1/3 thread a needle-reset-fix, can implement like this fixing across elbow joint, so that the new bone growth of fracturing and, can implement local fixing of fracture mid-term, to carry out elbow joint function training, be and the excellent process for the treatment of elbow joint complicated fracture.
Concrete, the first hole semi-ring 10 and the second hole semi-ring 11 are fixing mainly for distal humerus position, and the 3rd hole semi-ring 12 fixing mainly for ulna position, early stage for guaranteeing the biological processes of union of fracture, between humerus and ulna device, increase arc-shaped connecting rod 14, implement static fixing.But for avoiding elbow joint because of long-term fixing, the elbow joint dysfunction causing, has increased dynamic traction joint device 15 in trans-articular position, to implement dynamically to fix at middle and late stage, carry out the functional training of elbow joint.
The elbow joint that this utility model the provides regulation and control external fixator of being association of activity and inertia, for serious elbow joint fracture provides method, particularly open elbow, has medical wound little, be beneficial to protection blood for and promote the advantages such as union of fracture.The static fixing stability that can guarantee fracture, promotes union of fracture; Middle and late stage, implements dynamically to fix, and facilitates the motion of elbow joint, can avoid elbow joint stiffness.
As technique scheme preferably, between the first joint connector 151 and the first through hole 13, by the first threaded rod, be connected, the first threaded rod is fixed by being positioned at the upper lower locking nut of through hole both sides.Adopt the first threaded rod can adjust by upper lower locking nut and the first through hole 13 length that the first threaded rod stretches out the first through hole 13, and then screw lower locking nut and make it fixing.So just can adjust according to actual needs the spacing between the second hole semi-ring 11 and the 3rd hole semi-ring 12.
As technique scheme preferably, arc-shaped connecting rod 14 is curved, its two ends are thread segment, thread segment and the first through hole 13 match and fix by upper lower locking nut.12 of arc-shaped connecting rod 14 and the second hole semi-ring 11 and the 3rd hole semi-rings are all fixed by upper lower locking nut, because thread segment has certain length, the length of stretching out by adjustment thread segment can be adjusted the distance between the second hole semi-ring 11 and the 3rd hole semi-ring 12 middle parts, so just can adjust according to needs different in actual mechanical process, concrete can rotate lower locking nut simultaneously, to regulate upper lower locking nut to regulate concrete length with respect to the position of thread segment, after being of convenient length, thereby two nuts are fixed and realize the adjusting of arc-shaped connecting rod 14 and fix.
As technique scheme preferably, draw point fixed mount 2 comprises and stretches out type fixed mount 21, stretch out type fixed mount 21 and comprise draw point pressure pad 211 and draw point pad 212, on draw point pressure pad 211, be provided with the first hole slot that at least one and draw point match, draw point pressure pad 211 matches with draw point pad 212, for draw point is fixed.Concrete stretches out type fixed mount 21 with reference to shown in Fig. 2, the first hole slot mating with draw point 3 profiles arranging on draw point pressure pad 211 can be so that the stiff end for the treatment of of draw point stretches into, thereby after draw point pad 212 is coordinated with it by its clamping, by being positioned at after the locking nut locking of draw point pressure pad 211 and draw point pad 212 both sides, realize fixing draw point again.
As technique scheme preferably, the middle part of draw point pressure pad 211 and draw point pad 212 is provided with the second through hole, the other end that the second through hole is used for being socketed the second threaded rod 16, the second threaded rods 16 stretches into the first through hole 13, the second threaded rods 16 and the first through hole 13 is fixed by upper lower locking nut.Concrete can rotate lower locking nut simultaneously, to regulate upper lower locking nut to regulate the second threaded rod 16 to stretch out the particular location of the first through hole 13 with respect to the position of the second threaded rod, after extension elongation is suitable, thereby two upper lower locking nuts are fixed to the adjusting that realizes the second threaded rod 16 extension elongations.By unclamping locking nut adjustment draw point pressure pad 211 and draw point pad 212 with respect to the angle of the second threaded rod 16, realize the adjustment to draw point angle in addition.
As technique scheme preferably, stretching out type fixed mount 21 also comprises for by draw point pressure pad 211 and draw point pad 212 and the fixing stop nut of the second threaded rod 16, stop nut is two, is spirally connected and is positioned at the outside of draw point pressure pad 211 and draw point pad 212 with the second threaded rod 16.The length of stretching out the first through hole 13 by adjusting the second threaded rod 16 can realize the position of stretching out draw point fixing on type fixed mount 21.
As technique scheme preferably, the quantity of stretching out type fixed mount 21 is four: one of them is arranged at the middle part of the first hole semi-ring 10, the direction of stretching out of its second threaded rod 16 is to deviate from the side of the second hole semi-ring 11; Two other is arranged at the end of the first hole semi-ring 10, and its second threaded rod 16 stretches out respectively the both sides of the second hole semi-ring 11; All the other middle parts that are arranged at the 3rd hole semi-ring 12, it is to deviate from the side of the second hole semi-ring 11 that its second threaded rod 16 stretches out direction.The concrete setting of stretching out type fixed mount is according to humerus ulna set positions, for fixing draw point, makes draw point thrust corresponding position, thereby realize, fixes.Concrete extension elongation, stretches out angle and should adjust according to actual needs.
For the use of stretching out type fixed mount, be: in the first through hole that the second threaded rod 16 is inserted, and be screwed into nut in its both sides, the second threaded rod 16 is fixed on the first through hole.Probe stiff end at the second threaded rod is first screwed into one piece of nut, then penetrates in order draw point pressure pad 211, draw point pad 212, then draw point 3 is inserted in the first hole slot of draw point pressure pad, then is screwed into nut.Adjust the angle of draw point 3, keep draw point 3 and the second threaded rod 16 to be vertical 90 degree, fastening nut, is locked draw point 3 afterwards.
As technique scheme preferably, draw point fixed mount 2 also comprises attached type fixed mount 22, attached type fixed mount 22 comprises draw point fixed block 221, the bottom of draw point fixed block 221 is provided with the second hole slot that at least one and draw point match, the bottom of draw point fixed block 221 is also connected with the 3rd threaded rod 222 matching with the first through hole 13, and the 3rd threaded rod 222 and first through hole 13 of attached type fixed mount 22 are fixed by nut.Shown in concrete combination Fig. 1 and Fig. 2, the second hole slot arranging on the draw point fixed block 221 of tack fixed mount 22 and the stiff end for the treatment of of draw point match, draw point is snapped in after this second hole slot, adjust again the angle of draw point, by nut and the 3rd threaded rod 222 are screwed, can realize fixing to draw point.As shown in Figure 3, between two attached type fixed mounts on the 3rd hole semi-ring 12, fix a draw point, the middle part of draw point is through ulna.The 3rd threaded rod of attached type fixed mount is inserted in the first through hole, and be screwed into nut, draw point 3 is inserted in the second hole slot of draw point fixed blocks 221, determine fastening nut after draw point 3 angles, fine steel needle 3 is locked.Generally when the number of the second hole slot is 1, attached type fixed mount can be fixed one piece of draw point, is commonly called as into " little partially ", when the number of the second hole slot is 2, attached type fixed mount can be fixed two pieces of draw points accordingly, is commonly called as " inclined to one side greatly ".The number of the second concrete hole slot need to be selected according to actual needs.
As technique scheme preferably, attached type fixed mount 22 comprises 5: wherein three attached type fixed mounts 22 are positioned at the middle part of the second hole semi-ring 11, and the two ends that all the other two attached type fixed mounts 22 lay respectively at the 3rd hole semi-ring 12 are oppositely arranged.
The elbow joint that the present embodiment provides be association of activity and inertia regulation and control external fixator specifically act as:
1, for serious elbow joint fracture provides a kind of fixing effective ways of good reset that carry out, particularly open comminuted elbow.
2, on distal humerus hole semi-ring to syntripsis fast implement to thread a needle fixing, to improve reset acceptance rate.
3, can carry out in early days static state and fix, for fracture end provides enough stability, guarantee the biological processes of union of fracture.
4, middle and late stage, implements dynamically to fix, and carries out the motion in joint, to avoid ankylosis.
5, to have medical wound little for this law, is beneficial to the confession of protection blood, promotes the advantages such as union of fracture.
The elbow joint that concrete the present embodiment provides be association of activity and inertia regulation and control external fixator assembling mode be:
Fixing of the first hole semi-ring and the second hole semi-ring: on two U-shaped hole semi-rings, four connecting screw rods are first installed respectively, in utilization, lower locking nut is fixed on connecting screw rod on hole semi-ring, is assembled into that two ring four bars are parallel to each other, vertical stable framework.
For stretching out being set to of shaped steel pin fixed mount: penetrate a threaded rod on the first through hole of U-shaped hole semi-ring, with nut, threaded rod is fixed on hole semi-ring, external part at threaded rod is first screwed into nut, draw point pad, draw point, draw point pressure pad are installed successively again, with nut, the outside at draw point pad and draw point pressure pad is fixed again, and another external part of threaded rod is also as said method fixedly draw point pad, draw point pressure pad and draw point.
On the second corresponding hole semi-ring of distal humerus, with attached type draw point fixed mount (being commonly called as partially large) and nut, Kirschner wire is fixed on hole semi-ring.
Above-described embodiment is not the exhaustive of the specific embodiment; also can there is other embodiment; above-described embodiment object is to illustrate this utility model, and unrestricted protection domain of the present utility model, all application that come by this utility model simple change all drop in protection domain of the present utility model.
This patent specification use-case removes to show this utility model, comprising optimal mode, and those of ordinary skill in the art is manufactured and use this utility model.The delegatable scope of this utility model comprises the content of claims and the content of the specific embodiment in description and other embodiment.These other examples also should belong to the scope of this utility model patent right requirement, as long as they contain the described technical characterictic of the identical written language of claim, or they include and the similar literal language described technical characterictic of claim without essence difference.
All patents, the full content of patent application and other list of references should be incorporated to present specification by reference.But if a term in the application conflicts mutually with the term of including list of references in, preferential with the application's term.
All scopes disclosed herein all comprise end points, and between end points, are to combine independently of one another.
It should be noted that " first ", " second " or similar vocabulary do not represent any order, and quality or importance are just used for distinguishing different technical characterictics.The implication that the qualifier " approximately " using in conjunction with quantity comprises described value and content context appointment (for example: it includes the error while measuring specific quantity).
Claims (10)
1. the elbow joint regulation and control external fixator of being association of activity and inertia, is characterized in that, comprises the draw point fixed mount that arranges on external fixed support for bone, described external fixed support for bone and by the fixing draw point of described draw point fixed mount;
Described external fixed support for bone comprises the first hole semi-ring, the second hole semi-ring and the 3rd hole semi-ring that is " U " shape and is evenly provided with a plurality of the first through holes on it; Described the first hole semi-ring be parallel to each other with described the second hole semi-ring and opening direction identical, between described the first hole semi-ring and described the second hole semi-ring, by a plurality of parallel connecting screw rods, connect, the first corresponding through hole on described the first hole semi-ring and the second hole semi-ring is stretched into respectively at the two ends of described connecting screw rod, and fixes by upper lower locking nut;
Described the 3rd hole semi-ring is positioned at described the second hole semi-ring with respect to the opposite side of described the first hole semi-ring, perpendicular with described the second hole semi-ring, and opening direction is towards described the second hole semi-ring, described the 3rd hole semi-ring is connected by arc-shaped connecting rod with described the second hole semi-ring middle part, and described the 3rd hole semi-ring is connected by dynamic traction joint device with described the second hole semi-ring two ends; Described dynamic traction joint device comprises the first joint connector being connected with end first through hole of described the second hole semi-ring and the second joint connector being connected with corresponding the first through hole on described the 3rd hole semi-ring, connects and can swing by relative described mandrel between described the first joint connector and described second joint connector by mandrel.
2. the elbow joint according to claim 1 regulation and control external fixator of being association of activity and inertia, it is characterized in that, between described the first joint connector and described the first through hole, by the first threaded rod, be connected, described the first threaded rod is fixed by being positioned at the upper lower locking nut of described through hole both sides.
3. the elbow joint according to claim 1 regulation and control external fixator of being association of activity and inertia, is characterized in that, described arc-shaped connecting rod is curved, and its two ends are thread segment, and described thread segment and described the first through hole match and fix by upper lower locking nut.
4. the elbow joint according to claim 1 regulation and control external fixator of being association of activity and inertia, it is characterized in that, described draw point fixed mount comprises and stretches out type fixed mount, the described type fixed mount that stretches out comprises draw point pressure pad and draw point pad, on described draw point pressure pad, be provided with the first hole slot that at least one and described draw point match, described draw point pressure pad and described draw point pad match, for described draw point is fixed.
5. the elbow joint according to claim 4 regulation and control external fixator of being association of activity and inertia, it is characterized in that, the middle part of described draw point pressure pad and described draw point pad is provided with the second through hole, described the second through hole is used for being socketed the second threaded rod, the other end of described the second threaded rod stretches into described the first through hole, and described the second threaded rod and described the first through hole are fixed by upper lower locking nut.
6. the elbow joint according to claim 5 regulation and control external fixator of being association of activity and inertia, it is characterized in that, the described type fixed mount that stretches out also comprises for by described draw point pressure pad and described draw point pad and the fixing stop nut of described the second threaded rod, described stop nut is two, is spirally connected and is positioned at the outside of described draw point pressure pad and described draw point pad with described the second threaded rod.
7. according to the regulation and control external fixator of being association of activity and inertia of the elbow joint described in any one in claim 5, it is characterized in that, described quantity of stretching out type fixed mount is four: one of them is arranged at the middle part of described the first hole semi-ring, and the direction of stretching out of its second threaded rod is to deviate from the side of described the second hole semi-ring; Two other is arranged at the end of described the first hole semi-ring, and its second threaded rod stretches out respectively the both sides of described the second hole semi-ring; All the other middle parts that are arranged at described the 3rd hole semi-ring, it is to deviate from the side of described the second hole semi-ring that its second threaded rod stretches out direction.
8. the elbow joint according to claim 1 regulation and control external fixator of being association of activity and inertia, it is characterized in that, described draw point fixed mount also comprises attached type fixed mount, described attached type fixed mount comprises draw point fixed block, the bottom of described draw point fixed block is provided with the second hole slot that at least one and described draw point match, the bottom of described draw point fixed block is also connected with the 3rd threaded rod matching with described the first through hole, and the 3rd threaded rod and described first through hole of described attached type fixed mount are fixed by nut.
9. the elbow joint according to claim 8 regulation and control external fixator of being association of activity and inertia, it is characterized in that, described attached type fixed mount comprises 5: wherein three described attached type fixed mounts are positioned at the middle part of described the second hole semi-ring, and the two ends that all the other two described attached type fixed mounts lay respectively at described the 3rd hole semi-ring are oppositely arranged.
10. the elbow joint according to claim 1 regulation and control external fixator of being association of activity and inertia, is characterized in that, the number of described connecting screw rod is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551556.0U CN203425019U (en) | 2013-09-06 | 2013-09-06 | Elbow joint dynamic and static combination regulating type external fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551556.0U CN203425019U (en) | 2013-09-06 | 2013-09-06 | Elbow joint dynamic and static combination regulating type external fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425019U true CN203425019U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551556.0U Withdrawn - After Issue CN203425019U (en) | 2013-09-06 | 2013-09-06 | Elbow joint dynamic and static combination regulating type external fixer |
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| Country | Link |
|---|---|
| CN (1) | CN203425019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417279A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Movable and fixed combined adjusting outer fixator for elbow joint |
| CN106937879A (en) * | 2017-04-21 | 2017-07-11 | 张鑫 | Elbow joint in-seam comminuted fracture fixator |
-
2013
- 2013-09-06 CN CN201320551556.0U patent/CN203425019U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417279A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Movable and fixed combined adjusting outer fixator for elbow joint |
| CN103417279B (en) * | 2013-09-06 | 2015-05-13 | 江苏广济医疗科技有限公司 | Movable and fixed combined adjusting outer fixator for elbow joint |
| CN106937879A (en) * | 2017-04-21 | 2017-07-11 | 张鑫 | Elbow joint in-seam comminuted fracture fixator |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150513 |
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