CN109528278A - A kind of Combined type three dimensional ankle traction fixing bracket - Google Patents
A kind of Combined type three dimensional ankle traction fixing bracket Download PDFInfo
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- CN109528278A CN109528278A CN201811568818.8A CN201811568818A CN109528278A CN 109528278 A CN109528278 A CN 109528278A CN 201811568818 A CN201811568818 A CN 201811568818A CN 109528278 A CN109528278 A CN 109528278A
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- carbon fiber
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- shape
- hoof
- slot
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- 210000003423 ankle Anatomy 0.000 title claims abstract description 27
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 104
- 239000004917 carbon fiber Substances 0.000 claims abstract description 104
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 104
- 210000000003 hoof Anatomy 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 210000000544 articulatio talocruralis Anatomy 0.000 abstract description 12
- 210000000988 bone and bone Anatomy 0.000 description 15
- 210000002303 tibia Anatomy 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000001054 cortical effect Effects 0.000 description 4
- 210000001906 first metatarsal bone Anatomy 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000027502 Ankle fracture Diseases 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000459 calcaneus Anatomy 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000001203 second metatarsal bone Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000001872 metatarsal bone Anatomy 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- 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
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to ankle joint traction fixation supporter technical fields, and disclose a kind of Combined type three dimensional ankle traction fixing bracket, the shape of a hoof ring being oppositely arranged including two pieces, uniformly and equidistantly there are three carbon fiber rackworks for connection on the opposite side wall of two pieces of shape of a hoof rings, several threaded holes are uniformly and equidistantly offered on shape of a hoof ring, purl screw there are four being threadedly coupled on every piece of shape of a hoof ring, four purl screws on every piece of shape of a hoof ring are symmetrical arranged, the upper end of each purl screw is mounted on a needle clamping mechanism, a Kirschner wire is installed between every two symmetrical needle clamping mechanisms, carbon fiber rackwork includes carbon fiber pipe open at one end, the nozzle of carbon fiber pipe is arranged far from the shape of a hoof ring of top, the inner tubal wall of carbon fiber pipe is equipped with screw thread.The Combined type three dimensional ankle traction fixing bracket is able to solve carbon fiber connecting rod length and fixes, for the patient of different age group, it may appear that problem that cannot be general.
Description
Technical field
The present invention relates to ankle joint traction fixation supporter technical field, specially a kind of combined type ankle-joint 3 d traction is fixed
Frame.
Background technique
Currently, ankle joint wound fracture seriously threatens the health and living standard of the mankind.Exter-nal fixer refers in bone
It rolls over far and near end and percutaneously penetrates fixed pin, then connected the needle end being exposed at outside skin with connecting rod and purl screw, to fractures
A kind of therapeutic device that position is fixed, the advantage is that can provide stable fixation for fracture end and destroy local blood
Liquid circulation, creates advantage in terms of mechanics and biology two for union.Domestic and international application is in fracture of ankle joint
External fixing rack has single arm support and two kinds of ring-like frame, and two kinds of external fixing racks are to be fixed as major function.Although external fixation devices
It is relatively convenient, but because being that force arm type dual is fixed, overall stability and performance-adjustable are poor.General ankle-joint toroidal frame is more stupid
Weight, the device for the Kirschner wire replacement and fixation that also can not flexibly thread a needle to sclerite limit external fixing rack in ankle fracture
Application.
Through retrieving, Chinese Patent Application No. is that the patent of CN201110178076.X proposes a kind of combined type ankle-joint three
Traction fixation frame is tieed up, includes mainly horseshoe type ring and four carbon fiber connecting rods, using three Kirschner wires through purl screw or lock
The locking of needle screw, which threads a needle to calcaneum, shin bone, metatarsal three-dimensional, is fixed on horseshoe type ring and four carbon fiber connecting rods, and uses one
Or more Kirschner wires fix the internal malleolus, external malleolus, internal malleolus of anklebone through the locking of purl screw.Combined type ankle-joint three in above-mentioned patent
Dimension traction fixation frame has the following problems: its carbon fiber connecting rod length is fixed, and for the patient of different age group, can be gone out
Situation that now cannot be general.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of Combined type three dimensional ankle traction fixing bracket, having can
The advantages of connecting pole length with adjustment, solves carbon fiber connecting rod length and fixes, for the patient of different age group, meeting
There is problem that cannot be general.
(2) technical solution
To realize the purpose that easily can accurately open door lock, the invention provides the following technical scheme: a kind of combined type
Type three dimensional ankle traction fixing bracket, the shape of a hoof ring being oppositely arranged including two pieces, on the opposite side wall of two pieces of shape of a hoof rings
Uniformly and equidistantly connection uniformly and equidistantly offers several screw threads on the shape of a hoof ring there are three carbon fiber rackwork
Hole is threadedly coupled on every piece of shape of a hoof ring there are four purl screw, four purl spiral shells on every piece of shape of a hoof ring
Nail is symmetrical arranged, and the upper end of each purl screw is mounted on a needle clamping mechanism, and every two described symmetrically to determine needle machine
A piece Kirschner wire is installed, the carbon fiber rackwork includes carbon fiber pipe open at one end, the carbon fiber pipe between structure
Nozzle be arranged far from the shape of a hoof ring of top, the inner tubal wall of the carbon fiber pipe is equipped with screw thread, spiral shell in the carbon fiber pipe
Line is connected with the threaded block of annular, and the threaded block is fixedly connected with carbon fiber bar, position far from one end of tube bottom in carbon fiber pipe
Corresponding bearing block, the carbon fiber are fixedly connected in the position that the upper end of the shape of a hoof ring of lower section corresponds to carbon fiber bar
Bar passes through the nozzle of carbon fiber pipe far from one end of threaded block and extends downward into wherein corresponding bearing block, and the carbon fiber
The fixed rotation connection of inner ring of bar and bearing block is tieed up, the carbon fiber pipe offers card slot, institute on the tube wall of nozzle position
The slot bottom for stating card slot is fixedly connected with spring, and the other end of the spring is fixedly connected with positioning plate, and the positioning plate leans on short round
One end of spring is fixedly connected with locating rod, and one end of the remotely located plate of locating rod passes through the slot bottom of spring and card slot and outside
Extend, uniformly and equidistantly offers the locating slot group of several groups annular, every group of institute on the bar wall of the carbon fiber bar from top to bottom
Stating locating slot group includes the locating slot that several are distributed in a ring, and the positioning plate is fixedly connected with positioning far from one end of spring
Block, the locating piece extend in a wherein corresponding locating slot far from one end of spring.
Preferably, the needle clamping mechanism includes first bearing, and the head of the purl screw is fixedly connected with fixed column, institute
State the inner ring that fixed column extends to first bearing far from one end of purl screw, and fixing sleeve on the annular outer side wall of first bearing
It is connected to and determines needle plate, described to determine to offer through-hole on needle plate, the through-hole is located at the surface of purl screw, and two Kirschner wires plug
In two symmetrical through-holes.
Preferably, stabilizing ring, the internal ring wall of the stabilizing ring are fixedly connected on the inner tubal wall of the carbon fiber pipe nozzle
On uniformly and equidistantly offer several rolling grooves in a ring, the ball rolled is equipped in the rolling groove, the ball is separate
The notch that one end of rolling groove slot bottom passes through rolling groove is arranged, and ball rolling is connected on the bar wall of carbon fiber bar.
Preferably, the threaded block is fixedly connected with cylindrical positioning column, the positioning far from one end of carbon fiber bar
Fixing sleeve is connected to second bearing on the post jamb of column, is symmetrically fixedly connected with sliding block on the annular sidewall of the second bearing,
The position of corresponding two sliding blocks symmetrically offers along the vertical direction on the inner tubal wall of the carbon fiber pipe matches with two sliding blocks
Sliding slot, the sliding block passes through the notch of corresponding sliding slot far from one end of second bearing and extends into sliding slot, and the sliding block is sliding
It is dynamic to be connected in corresponding sliding slot.
Preferably, a matched nut, the upper end of the nut are mounted on each purl screw
It offsets with the lower end of shape of a hoof ring.
Preferably, rubber washer is plugged between the through-hole and Kirschner wire.
Preferably, the sphere diameter of the ball is greater than the slot diameter of rolling groove notch.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of Combined type three dimensional ankle traction fixing bracket, having following has
Beneficial effect:
1, the Combined type three dimensional ankle traction fixing bracket passes through setting carbon fiber pipe, threaded block, carbon fiber bar and bearing
Seat, 3 d traction fixed frame is mounted on first at the bone of user's injury, need to adjust between two pieces of shape of a hoof rings away from
From when, grasp carbon fiber bar, and a rotatory force is applied to carbon fiber bar, drive threaded block in carbon after carbon fiber bar stress
Rotation in fibre pipe so that threaded block moves in carbon fiber pipe, and then position of the carbon gag lever post in carbon fiber pipe is carried out
Changing, under the action of bearing block, carbon fiber bar is only rotated in bearing block inner ring, shape of a hoof ring will not be impacted, so that
The distance between two pieces of shape of a hoof rings are changed, and when needing to adjust position of the carbon fiber bar in carbon fiber pipe, first to
Outer pulling locating rod so that locating rod drives positioning plate compressed spring, while locating piece being extracted out from locating slot, so that positioning
Block enters in card slot, after the distance between two pieces of shape of a hoof rings adjust, cancels the pulling force applied to locating rod, compressed
Spring pushes out positioning plate, so that locating piece release card slot is caught in suitable locating slot by positioning plate, carbon gag lever post is existed
Position in carbon fiber pipe is locked, and the distance between two pieces of shape of a hoof rings is prevented to be varied so that traction fixation frame can be with
It is adjusted for the patient of different age group, keeps its use scope wider.
2, the Combined type three dimensional ankle traction fixing bracket by setting purl screw, first bearing, is determined needle plate and is led to
Hole first screws in purl screw in threaded hole, in fixation Kel's needle so that the place height and position of through-hole reaches Kirschner wire and wears
Enter the place height of bone, then keep port directions consistent two symmetrical through-holes, then by Kirschner wire pass through two through-holes and
Bone allows Kirschner wire by fixing tightly.
When the Combined type three dimensional ankle traction fixing bracket uses:
The position for determining perforation first screws in purl screw in corresponding threaded hole, in the calcaneum of model of human ankle
3mm after routine is threaded a needle a little runs through squeeze into first Kirschner wire of 3mm from inside to outside, and the both ends of Kirschner wire extend through wherein two
In a symmetrical through-hole, since through-hole has been applied downward pressure, the Kirschner wire in two through-holes is locked by two through-holes；
Again on the shin bone ankle-joint of model of human ankle at 10cm, from the rear outside of shin bone, inside squeezes into the of 3mm forward
Two Kirschner wires, the both ends of Kirschner wire are each passed through in the symmetrical through-hole of two of them, and are locked by two through-holes；
Again at first metatarsal bone neck, the third root Kirschner wire of 3mm, third root kirschner are squeezed into from first metatarsal bone to second metatarsal bone
The both ends of needle are each passed through in the symmetrical through-hole of two of them, and are locked by two through-holes；
Then, on the shin bone ankle-joint of model of human ankle at 8cm or 12cm, from the preceding inside of shin bone, outside is squeezed into backward
The 4th Kirschner wire of 3mm, the 4th Kirschner wire one end penetrate proximal tibia cortical bone to opposite side cortical bone, and both ends are each passed through
In two symmetrical through-holes, and locked by two through-holes.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Combined type three dimensional ankle traction fixing bracket proposed by the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1；
Fig. 4 be in Fig. 1 C-C to cross-sectional view；
Fig. 5 is D magnified partial view in Fig. 1.
In figure: 1 shape of a hoof ring, 2 threaded holes, 3 purl screws, 4 Kirschner wires, 5 carbon fiber pipes, 6 threaded blocks, 7 carbon fiber bars,
Needle plate, 11 through-holes, 12 stabilizing rings, 13 rolling grooves, 14 balls, 15 positioning columns, 16 second axis are determined in 8 bearing blocks, 9 first bearings, 10
Hold, 17 sliding blocks, 18 sliding slots, 19 nuts, 20 rubber washers, 21 card slots, 22 springs, 23 positioning plates, 24 locating rods, 25 locating slots,
26 locating pieces.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of Combined type three dimensional ankle traction fixing bracket, the shape of a hoof ring being oppositely arranged including two pieces
1, uniformly and equidistantly connection is there are three carbon fiber rackwork on the opposite side wall of two pieces of shape of a hoof rings 1, on shape of a hoof ring 1 uniformly
It is equidistant to offer several threaded holes 2, it is threadedly coupled that there are four purl screw 3, every piece of shapes of a hoof on every piece of shape of a hoof ring 1
Four purl screws 3 on ring 1 are symmetrical arranged, and the upper end of each purl screw 3 is mounted on a needle clamping mechanism, and every two right
A piece Kirschner wire 4 is installed, carbon fiber rackwork includes carbon fiber pipe 5 open at one end, carbon fiber between the needle clamping mechanism of title
The nozzle for tieing up pipe 5 is arranged far from the shape of a hoof ring 1 of top, and the inner tubal wall of carbon fiber pipe 5 is equipped with screw thread, spiral shell in carbon fiber pipe 5
Line is connected with the threaded block 6 of annular, and threaded block 6 is fixedly connected with carbon fiber bar 7, position far from one end of tube bottom in carbon fiber pipe 5
It is fixedly connected with corresponding bearing block 8 in the position that the upper end of the shape of a hoof ring 1 of lower section corresponds to carbon fiber bar 7, carbon fiber bar 7 is remote
One end from threaded block 6 passes through the nozzle of carbon fiber pipe 5 and extends downward into wherein corresponding bearing block 8, and carbon fiber bar 7
With the fixed rotation connection of inner ring of bearing block 8, carbon fiber pipe 5 offers card slot 21, card slot 21 on the tube wall of nozzle position
Slot bottom be fixedly connected with spring 22, the other end of spring 22 is fixedly connected with positioning plate 23, and positioning plate 23 is close to spring 22
One end is fixedly connected with locating rod 24, one end of the remotely located plate 23 of locating rod 24 pass through the slot bottom of spring 22 and card slot 21 and to
Outer extension uniformly and equidistantly offers the locating slot group of several groups annular, every group of positioning on the bar wall of carbon fiber bar 7 from top to bottom
Slot group includes the locating slot 25 that several are distributed in a ring, and positioning plate 23 is fixedly connected with locating piece far from one end of spring 22
26, locating piece 26 extends in a wherein corresponding locating slot 25 far from one end of spring 22, first fixes 3 d traction
Frame is mounted at the bone of user's injury, when needing to adjust the distance between two pieces of shape of a hoof rings 1, grasps carbon fiber bar
7, and a rotatory force is applied to carbon fiber bar 7, it drives threaded block 6 to rotate in carbon fiber pipe 5 after 7 stress of carbon fiber bar, makes
It obtains threaded block 6 to move in carbon fiber pipe 5, and then position of the carbon gag lever post 7 in carbon fiber pipe 5 is changed, in bearing
Under the action of seat 8, carbon fiber bar 7 is only rotated in 8 inner ring of bearing block, will not be impacted to shape of a hoof ring 1, so that two pieces of horseshoes
The distance between shape ring 1 is changed, and when needing to adjust position of the carbon fiber bar 7 in carbon fiber pipe 5, is first pulled out
Locating rod 24 so that locating rod 24 drives 23 compressed spring 22 of positioning plate, while locating piece 26 being extracted out from locating slot 25, made
Locating piece 26 is obtained to enter in card slot 21, after the distance between two pieces of shape of a hoof rings 1 adjust, what cancellation applied locating rod 24
Pulling force, compressed spring 22 push out positioning plate 23, so that the release card slot 21 of locating piece 26 is caught in properly by positioning plate 23
Locating slot 25 in, position of the carbon gag lever post 7 in carbon fiber pipe 5 is locked, prevent between two pieces of shape of a hoof rings 1 away from
From being varied so that traction fixation frame can be adjusted for the patient of different age group, keep its use scope wider.
Needle clamping mechanism includes first bearing 9, and the head of purl screw 3 is fixedly connected with fixed column, and fixed column is far from purl
One end of screw 3 extends to the inner ring of first bearing 9, and fixing sleeve is connected to and determines needle plate 10 on the annular outer side wall of first bearing 9,
Determine to offer through-hole 11 on needle plate 10, through-hole 11 is located at the surface of purl screw 3, and two Kirschner wires 4 are plugged in two relatively
In the through-hole 11 of title, original Kirschner wire can not just to thread by the threading groove on purl screw when revolving purl screw
Slot blocks Kirschner wire in fixation Kel's needle 4, first by purl screw 3 screw in threaded hole 2 in so that through-hole 11 in height and position
Reach Kirschner wire 4 and penetrate the consistent in height, then by two symmetrical through-holes 11 holding port directions of bone, then by Kirschner wire 4
Across two through-holes 11 and bone, allow Kirschner wire 4 by fixing tightly.
It is fixedly connected with stabilizing ring 12 on the inner tubal wall of 5 nozzle of carbon fiber pipe, on the internal ring wall of stabilizing ring 12 in a ring
It is even it is equidistant offer several rolling grooves 13, be equipped with the ball 14 rolled in rolling groove 13, ball 14 is far from 13 slot of rolling groove
The notch that the one end at bottom passes through rolling groove 13 is arranged, and the rolling of ball 14 is connected on the bar wall of carbon fiber bar 7, passes through ball 14
Carbon fiber bar 7 is supported, when carbon fiber bar 7 is moved in carbon fiber pipe 5, carbon gag lever post 7 is driven in rolling groove 13
Ball 14 rolled so that carbon gag lever post 7 moved in carbon fiber pipe 5 it is more stable.
Threaded block 6 is fixedly connected with cylindrical positioning column 15 far from one end of carbon fiber bar 7, on the post jamb of positioning column 15
Fixing sleeve is connected to second bearing 16, and sliding block 17, carbon fiber pipe 5 are symmetrically fixedly connected on the annular sidewall of second bearing 16
Inner tubal wall on the positions of corresponding two sliding blocks 17 symmetrically offer the sliding slot 18 to match with two sliding blocks 17 along the vertical direction,
Sliding block 17 passes through the notch of corresponding sliding slot 18 far from one end of second bearing 16 and extends into sliding slot 18, and sliding block 17 is slidably connected
In corresponding sliding slot 18, when threaded block 6 moves in carbon fiber pipe 5, band movable slider 17 synchronizes fortune in sliding slot 18
Dynamic, when carbon fiber bar 7 drives threaded block 6 to rotate in carbon fiber pipe 5, carbon fiber bar 7 drives positioning column 15 in second bearing
It is moved, the sliding block 17 being located in sliding slot 18 will not be impacted in 16.
A matched nut 19, the upper end of nut 19 and shape of a hoof ring 1 are mounted on each purl screw 3
Lower end offset, purl screw 3 is further fixed by nut 19.
It is plugged with rubber washer 20 between through-hole 11 and Kirschner wire 4, flesh Kirschner wire 4 is increased in through-hole 11 by rubber washer 20
Tightness.
The sphere diameter of ball 14 is greater than the slot diameter of 13 notch of rolling groove, prevents ball 14 from skidding off rolling groove 13.
In conclusion the Combined type three dimensional ankle traction fixing bracket, is mounted on use for 3 d traction fixed frame first
At the bone of person's injury, when needing to adjust the distance between two pieces of shape of a hoof rings 1, carbon fiber bar 7 is grasped, and to carbon fiber
Bar 7 applies a rotatory force, drives threaded block 6 to rotate in carbon fiber pipe 5 after 7 stress of carbon fiber bar, so that threaded block 6 is in carbon
Movement in fibre pipe 5, and then position of the carbon gag lever post 7 in carbon fiber pipe 5 is changed, under the action of bearing block 8, carbon
Fiber rod 7 only 8 inner ring of bearing block rotate, shape of a hoof ring 1 will not be impacted so that between two pieces of shape of a hoof rings 1 away from
From being changed, and when needing to adjust position of the carbon fiber bar 7 in carbon fiber pipe 5, locating rod 24 is first pulled out, so that
Locating rod 24 drives 23 compressed spring 22 of positioning plate, while locating piece 26 being extracted out from locating slot 25 so that locating piece 26 into
Enter in card slot 21, after the distance between two pieces of shape of a hoof rings 1 adjust, cancels the pulling force applied to locating rod 24, compressed
Spring 22 push out positioning plate 23 so that positioning plate 23 by locating piece 26 release card slot 21 be caught in suitable locating slot 25
In, position of the carbon gag lever post 7 in carbon fiber pipe 5 is locked, the distance between two pieces of shape of a hoof rings 1 is prevented to be changed,
Traction fixation frame is adjusted for the patient of different age group, keeps its use scope wider；In fixation Kel's needle 4
When, first purl screw 3 is screwed in threaded hole 2, so that the place height and position of through-hole 11 reaches the institute that Kirschner wire 4 penetrates bone
It keeps port direction consistent in height, then by two symmetrical through-holes 11, then Kirschner wire 4 is passed through into two through-holes 11 and bone,
Allow Kirschner wire 4 by fixing tightly.
When the Combined type three dimensional ankle traction fixing bracket uses:
The position for determining perforation first screws in purl screw 3 in corresponding threaded hole 2, model of human ankle with
3mm after bone is routinely threaded a needle a little, from inside to outside through first Kirschner wire 4 for squeezing into 3mm, the both ends of Kirschner wire 4 extend through it
In in two symmetrical through-holes 11, since through-hole 11 has been applied downward pressure, the Kirschner wire 4 in two through-holes 11 is by two
Through-hole 11 is locked；
Again on the shin bone ankle-joint of model of human ankle at 10cm, from the rear outside of shin bone, inside squeezes into the of 3mm forward
Two Kirschner wires 4, the both ends of Kirschner wire 4 are each passed through in the symmetrical through-hole 11 of two of them, and are locked by two through-holes 11；
Again at first metatarsal bone neck, the third root Kirschner wire 4 of 3mm, third root gram are squeezed into from first metatarsal bone to second metatarsal bone
The both ends of family name's needle 4 are each passed through in the symmetrical through-hole 11 of two of them, and are locked by two through-holes 11；
Then, on the shin bone ankle-joint of model of human ankle at 8cm or 12cm, from the preceding inside of shin bone, outside is squeezed into backward
The 4th Kirschner wire 4 of 3mm, the 4th 4 one end of Kirschner wire penetrate proximal tibia cortical bone to opposite side cortical bone, and both ends are worn respectively
It crosses in two symmetrical through-holes 11, and is locked by two through-holes 11.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of Combined type three dimensional ankle traction fixing bracket, the shape of a hoof ring (1) being oppositely arranged including two pieces, feature exists
In: uniformly and equidistantly there are three carbon fiber rackwork, the horseshoes for connection on the opposite side wall of two pieces of shape of a hoof rings (1)
Several threaded holes (2) are uniformly and equidistantly offered on shape ring (1), are threaded with four on every piece of shape of a hoof ring (1)
A purl screw (3), four purl screws (3) on every piece of shape of a hoof ring (1) are symmetrical arranged, each purl screw
(3) upper end is mounted on a needle clamping mechanism, is equipped with a Kirschner wire between every two symmetrical needle clamping mechanisms
(4), the carbon fiber rackwork includes carbon fiber pipe open at one end (5), and the nozzle of the carbon fiber pipe (5) is far from top
Shape of a hoof ring (1) setting, the inner tubal wall of the carbon fiber pipe (5) is equipped with screw thread, carbon fiber pipe (5) the internal screw thread connection
There is the threaded block (6) of annular, the threaded block (6) is fixedly connected with carbon fiber bar far from one end of carbon fiber pipe (5) interior tube bottom
(7), the position that the upper end of the underlying shape of a hoof ring (1) corresponds to carbon fiber bar (7) is fixedly connected with corresponding bearing
Seat (8), the carbon fiber bar (7) pass through the nozzle of carbon fiber pipe (5) far from the one end of threaded block (6) and extend downward into wherein
In corresponding bearing block (8), and the carbon fiber bar (7) and the fixed rotation connection of the inner ring of bearing block (8), the carbon fiber pipe
(5) it is offered card slot (21) on the tube wall of nozzle position, the slot bottom of the card slot (21) is fixedly connected with spring (22), institute
The other end for stating spring (22) is fixedly connected with positioning plate (23), one end fixed company of the positioning plate (23) close to spring (22)
It is connected to locating rod (24), one end of the remotely located plate of the locating rod (24) (23) passes through the slot bottom of spring (22) and card slot (21)
And extend outwardly, the locating slot of several groups annular is uniformly and equidistantly offered on the bar wall of the carbon fiber bar (7) from top to bottom
Group, locating slot group described in every group include the locating slot (25) that several are distributed in a ring, and the positioning plate (23) is far from spring
(22) one end is fixedly connected with locating piece (26), and the locating piece (26) extends to far from the one end of spring (22) and wherein corresponds to
A locating slot (25) in.
2. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 1, it is characterised in that: described to determine needle machine
Structure includes first bearing (9), and the head of the purl screw (3) is fixedly connected with fixed column, and the fixed column is far from purl spiral shell
One end of nail (3) extends to the inner rings of first bearing (9), and fixing sleeve is connected to and determines needle on the annular outer side wall of first bearing (9)
Plate (10), described to determine to offer on needle plate (10) through-hole (11), the through-hole (11) is located at the surface of purl screw (3), and two
A Kirschner wire (4) is plugged in two symmetrical through-holes (11).
3. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 1, it is characterised in that: the carbon fiber
It manages and is fixedly connected with stabilizing ring (12) on the inner tubal wall of (5) nozzle, it is uniform etc. in a ring on the internal ring wall of the stabilizing ring (12)
Away from offer several rolling grooves (13), the ball (14) rolled is equipped in the rolling groove (13), the ball (14) is remote
The notch that one end from rolling groove (13) slot bottom passes through rolling groove (13) is arranged, and the ball (14) rolling is connected to carbon fiber
On the bar wall of bar (7).
4. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 1, it is characterised in that: the threaded block
(6) one end far from carbon fiber bar (7) is fixedly connected with cylindrical positioning column (15), consolidates on the post jamb of the positioning column (15)
Surely it is socketed with second bearing (16), is symmetrically fixedly connected with sliding block (17) on the annular sidewall of the second bearing (16),
The position of corresponding two sliding blocks (17) symmetrically offers and two sliding blocks along the vertical direction on the inner tubal wall of the carbon fiber pipe (5)
(17) sliding slot (18) to match, the sliding block (17) pass through the notch of corresponding sliding slot (18) far from the one end of second bearing (16)
And extend into sliding slot (18), the sliding block (17) is slidably connected in corresponding sliding slot (18).
5. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 1, it is characterised in that: each lock
A matched nut (19), upper end and shape of a hoof ring (1) of the nut (19) are mounted on needle screw (3)
Lower end offsets.
6. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 2, it is characterised in that: the through-hole
(11) it is plugged between Kirschner wire (4) rubber washer (20).
7. a kind of Combined type three dimensional ankle traction fixing bracket according to claim 3, it is characterised in that: the ball
(14) sphere diameter is greater than the slot diameter of rolling groove (13) notch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568818.8A CN109528278B (en) | 2018-12-21 | 2018-12-21 | Combined ankle joint three-dimensional traction fixing frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568818.8A CN109528278B (en) | 2018-12-21 | 2018-12-21 | Combined ankle joint three-dimensional traction fixing frame |
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| Publication Number | Publication Date |
|---|---|
| CN109528278A true CN109528278A (en) | 2019-03-29 |
| CN109528278B CN109528278B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568818.8A Active CN109528278B (en) | 2018-12-21 | 2018-12-21 | Combined ankle joint three-dimensional traction fixing frame |
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| Country | Link |
|---|---|
| CN (1) | CN109528278B (en) |
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| CN109528278B (en) | 2024-01-30 |
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