CN107811688A - A kind of board-like exterior fixing rack for trauma fracture treatment - Google Patents
A kind of board-like exterior fixing rack for trauma fracture treatment Download PDFInfo
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- CN107811688A CN107811688A CN201711244745.2A CN201711244745A CN107811688A CN 107811688 A CN107811688 A CN 107811688A CN 201711244745 A CN201711244745 A CN 201711244745A CN 107811688 A CN107811688 A CN 107811688A
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- regulation
- hole
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- 208000014674 injury Diseases 0.000 title claims abstract description 16
- 208000010392 Bone Fractures Diseases 0.000 title claims abstract description 14
- 206010017076 Fracture Diseases 0.000 title claims abstract description 14
- 230000008733 trauma Effects 0.000 title claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007667 floating Methods 0.000 claims description 72
- 230000008878 coupling Effects 0.000 claims description 58
- 238000010168 coupling process Methods 0.000 claims description 58
- 238000005859 coupling reaction Methods 0.000 claims description 58
- 230000007704 transition Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000001356 surgical procedure Methods 0.000 description 7
- 239000004696 Poly ether ether ketone Substances 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 6
- 210000005036 nerve Anatomy 0.000 description 6
- 229920002530 polyetherether ketone Polymers 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 206010071229 Procedural haemorrhage Diseases 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 208000034657 Convalescence Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007157 ring contraction reaction Methods 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
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00902—Material properties transparent or translucent
- A61B2017/00911—Material properties transparent or translucent for fields applied by a magnetic resonance imaging system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00902—Material properties transparent or translucent
- A61B2017/00915—Material properties transparent or translucent for radioactive radiation
- A61B2017/0092—Material properties transparent or translucent for radioactive radiation for X-rays
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a kind of board-like exterior fixing rack for trauma fracture treatment, including locking module, including lock ring, ball catch grip, pedestal, lock ring inner ring surface includes the first taper anchor ring, and the first taper anchor ring intersects with the first annular end face of one end of lock ring；The plane of pedestal first offers counterbore, counterbore bottom surface and offers the second taper anchor ring through hole；The outer surface that ball catch grips includes spherical surface and two disks being parallel to each other, purl through hole is offered between the center of circle of two disks, along the vertical direction of two disks a plurality of vertical channel is offered from the inner surface of purl through hole, the vertical channel mutual dislocation certain angle angle that two disks are opened, forms flexible retractable structure；Ball catch, which grips, to be positioned in the counterbore of pedestal, purl through hole contact pin, and lock ring is screwed into counterbore.The present invention is changed into using corresponding functional module to realize by the integral type knot of Combined type external fixed support, effectively reduces the difficulty of clinical operation.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of board-like outer fixed branch for trauma fracture treatment
Frame.
Background technology
It is interior more using the operative treatment mode of interior fixed reset and outer fixed reset during trauma fracture is treated
Fixed reset is adapted to closed trauma to merge the treatment fractured；Outer fixed reset is often adapted to open wound to merge controlling for fracture
Treat.Outer fixed reset operation needs to use exterior fixing rack.
The structure type of exterior fixing rack mainly has monoblock type exterior fixing rack, integral type exterior fixing rack, ring frame at present
Formula exterior fixing rack and Combined type external fixed support.
Monoblock type exterior fixing rack as the term suggests this exterior fixing rack is overall structure, its advantage be bulk strength compared with
It is high.Shortcoming is that the overall structure of this kind of exterior fixing rack lacks flexibility ratio, and function is single, overall structure is very heavy.Controlled in operation
During treatment, it is difficult to avoid important blood vessel and nerve sometimes, often results in the difficulty of operative treatment or the secondary wound of patient
Evil, and be difficult to accurately in more complicated trauma fracture resets.The current this less use of exterior fixing rack.
Integral type exterior fixing rack is improved and optimizated on the basis of monoblock type exterior fixing rack, and its advantage is overall
Intensity is higher, and structure has certain flexibility ratio；Shortcoming is that the overall structure of this kind of exterior fixing rack is still very heavy, outer fixed branch
The adjustable extent of frame is smaller, and function is seldom；In surgical procedure, although the certain flexibility ratio possessed, because can
Adjustable range is smaller, still can not effectively avoid important blood vessel and nerve, can cause the difficulty of operative treatment, it is impossible to effectively keep away
Exempt from the secondary injury of patient, can not accomplish to accomplish accurately in more complicated trauma fracture resets.
Ring frame exterior fixing rack is to use circular semi-ring frame, loopful frame or shape of a hoof ring frame as primary structure, auxiliary
The exterior fixing rack formed with connecting rod of keeping straight on.The advantages of this exterior fixing rack, is there is higher flexibility ratio, overall strong
Degree is higher.Shortcoming is that the structure of this exterior fixing rack is very complicated, and overall dimensions are very big, very heavy.In surgical procedure,
It is required that it is very strict, very high is required to mounting technique and installation accuracy, reduction of the fracture process complexity is cumbersome in operation, and function is seldom.
Current this exterior fixing rack has been combined formula exterior fixing rack replacement, seldom uses in clinical practice.
Combined type external fixed support is largely used under modern industry and the background of modern material science and technology rapid development
New exterior fixing rack, the application of high-performance, high-strength light metal material, composite, high polymer material, make outer fixed branch
Frame mitigation weight, the size that reduces, raising performance have possible.It the advantage is that operation uses simple installation, flexible adjustment, weight
Gently, adaptability is good, function is more, reduction of the fracture process is simple in operation, and can avoid important blood vessel and nerve well.Lack
Although the overall dimensions that point is Combined type external fixed support have reduced, but still bigger；Next to that fixed branch outside combined type
Frame is using single part as assembled unit, and required number of components is big, it is necessary to be realized using different functional parts different
Function, cause the composition of Combined type external fixed support and using very complicated；And patient face convalescence after surgery it is daily
Movable difficult, winter is difficult to wear the clothes warming, perplexs with the life for adding many.
Due to fixed outside monoblock type exterior fixing rack, integral type exterior fixing rack, ring frame exterior fixing rack and combined type
The various shortcomings of support, some obstacles are caused to the popularity of its clinical practice.Urgently exterior fixing rack be directed to
Property improvement, on the basis of Combined type external fixed support is flexible, light, easy-to-use, adaptability is good, fixed branch outside the formula that integrally combines
The advantages of intensity of frame is high, simple in construction, design and develop the more preferable exterior fixing rack of performance.
The content of the invention
The invention aims to overcome above-mentioned deficiency to provide a kind of board-like outer fixed branch for trauma fracture treatment
Frame.
A kind of board-like exterior fixing rack for trauma fracture treatment of the present invention includes locking module, the locking module
Including lock ring, ball catch grip, pedestal, the external annular surface of the lock ring is provided with the first external screw thread, the inner ring surface of the lock ring
Including the first taper anchor ring, the first taper anchor ring intersects with the first annular end face of one end of the lock ring, and described
One annular end face is provided with the slit opening for being used for tightening screw thread；
The pedestal includes the first plane and the second plane being parallel to each other, and first plane offers counterbore, described
Counterbore inwall is provided with the first internal thread being engaged with the first external screw thread, is offered between the counterbore bottom surface and the second plane
Second taper anchor ring through hole；
The outer surface that the ball catch grips includes spherical surface and two disks being parallel to each other, and described two circles are put down
Purl through hole is offered between the center of circle in face, is offered along the vertical direction of two disks from the inner surface of purl through hole a plurality of
Vertical channel, the vertical channel open to the spherical surface, one disk always since the inner surface of purl through hole
Open with a certain distance from a plurality of vertical channel bottom has from another disk, another described disk opens a plurality of vertical channel bottom from one
Individual disk has certain distance, and the vertical channel mutual dislocation certain angle angle that two disks are opened, formation is flexible can
Contraction structure；
The ball catch, which grips, to be positioned in the counterbore of the pedestal, and lock ring is screwed into the counterbore.
Preferably, the inner surface that the ball catch grips is designed with lobe.
Preferably, the cross recess mutual dislocation angle that two disks that the ball catch grips are opened is 45 °.
Specifically, the locking module includes two lock rings, two ball catch grip, two pedestals, described two pedestals
Between it is in a certain angle and be symmetrical arranged relative to the angular bisector of the angle, use arc transition pedestal among described two pedestals
It is coupled.
Specifically, in addition to the module that is fixedly connected, the bar that is fixedly connected that module is regular length that is fixedly connected are described
The be fixedly connected both ends of bar are in square, and the middle part of the bar that is fixedly connected is provided with locking bulge loop；The circular arc mistake of the locking module
Cross pedestal position and be provided with square connecting through hole, coordinate with the both ends of the bar that is fixedly connected；The two of the square connecting through hole
Locking annular groove is provided with end opening, is coordinated with the locking bulge loop of the bar that is fixedly connected；The locking module includes two, point
It is not connected and is integral with the bar that is fixedly connected with the locking bulge loop by the locking annular groove.
Preferably, in addition to floating adjustment module, the floating adjustment module includes coupling bar and locking loop coil, described
One end of extension bar is square pole, and middle part is provided with locking bulge loop, and the other end is provided with bulb, locking screw ring is socketed with outside the bulb,
Inside one end of the locking loop coil is provided with cone locking anchor ring, and the other end is provided with the second internal thread；
The arc transition pedestal position of the locking module is provided with square connecting through hole, matches somebody with somebody with one end of the coupling bar
Close；(outward flange) is provided with locking annular groove at the both ends open of the square connecting through hole, the locking bulge loop with the coupling bar
Lock；
Also include the regulation dome module that floats, the regulation dome module that floats includes two floating adjustment seats, described floating
Dynamic adjustment seat is a cylinder, and one end is provided with spherical concave surface, and the spherical concave surface is engaged with the bulb on coupling bar, described two
Individual floating adjustment seat is combined as a whole at the other end, and periphery has the second external screw thread, spiral shell in second with locking loop coil
Line is engaged；The coupling bar is used to connect floating adjustment module and locking module；
The locking module includes two, is connected respectively by the floating adjustment module and the regulation dome module that floats
Connect and be integral.
Specifically, in addition to floating adjustment module, the floating adjustment module includes coupling bar and locking loop coil, described
One end of extension bar is square pole, and middle part is provided with locking bulge loop, and the other end is provided with bulb, locking screw ring is socketed with outside the bulb,
Inside one end of the locking loop coil is provided with cone locking anchor ring, and the other end is provided with the second internal thread；
The arc transition pedestal position of the locking module is provided with square connecting through hole, matches somebody with somebody with one end of the coupling bar
Close；Locking annular groove is provided with the both ends open of the square connecting through hole, is locked with the locking bulge loop of the coupling bar；
The coupling bar inserts square connecting through hole, for connecting floating adjustment module and locking module；
Also include extending adjustment module, the extension adjustment module includes two floating adjustment seats, extends adjusting screw rod, adjusts
Save nut, locking nut, extend regulation loop bar；
Described two floating adjustment seats are respectively arranged at the one end for extending adjusting screw rod and extending regulation loop bar, the floating
Adjustment seat is a cylinder, and one end is provided with spherical concave surface, and the spherical concave surface is engaged with the bulb on coupling bar, periphery
Provided with the second external screw thread, it is engaged with the second internal thread for locking loop coil；The other end of one of floating adjustment seat with
Extend regulation threaded rod one end to join together, the other end of another floating adjustment seat is unified into one with extending one end of regulation loop bar
Body；The other end for extending adjusting screw rod and extending regulation loop bar is linked together by locking nut and adjusting nut；
The regulation loop bar that extends is in hollow tubular structure, and one end is provided with annular buckle slot, and buckle slot part is opened vertically
There are several elastic deformation grooves, adjusting nut is joined together with extending regulation loop bar for being caught in adjusting nut；The other end is with floating
Dynamic adjustment seat joins together；
Described one end for extending adjusting screw rod is joined together with floating adjustment seat, and the other end, which is provided with, to be used to extend the adjusted
Three external screw threads；
Structure, inner surface one end are provided with the 3rd internal thread to the adjusting nut in a ring, and the 3rd external screw thread is adjusted with extending
Be connected the extension adjusting screw rod, and the other end is provided with annular buckle and coordinated with the buckle slot, is adjusted for being connected to extend
One end of loop bar is saved, adjusting nut is joined together with extending regulation loop bar, and can be rotated freely relative to regulation loop bar is extended；
Structure, inner surface have the 4th internal thread to the locking nut in a ring, coordinate with extending the 3rd external screw thread of regulation, use
In the locking adjusting nut；
The locking module includes two, is connected as respectively by the floating adjustment module and the extension adjustment module
One is overall.
Specifically, each construction module is manufactured using polyetheretherketonematerials materials.
The present invention is simplified by spicule locking mechanism, the spherical locking modular manner gripped using ball catch, both facilitates bone
Orientation is adjusted flexibly in pin, is beneficial to effectively avoid important blood vessel and nerve again, prevents two to patient to greatest extent
Secondary injury, while ensure the reliable lock of spicule；
The board-like exterior fixing rack of the present invention realizes multifunctional application, is coupled to by the part of Combined type external fixed support
Integral structure is realized, is changed into using corresponding functional module to realize, effectively reduces the difficulty of clinical operation, improves product
The convenience of operation technique, in surgical procedure, important blood vessel and nerve can be effectively avoided, avoid causing to patient secondary
Injury；
The novel ball locking module and floating adjustment module that the present invention uses, the structure of exterior fixing rack is simplified, with
The suitable spheroid attachment structure in many places realizes the various dimensions regulation of sphere scope, is reached in the state of it need not be accurately positioned positioning
The high degree of flexibility integrally positioned to exterior fixing rack, the adaptability, ease for use and reliability of exterior fixing rack are improved, reduced auxiliary
Operating theater instruments is helped, operating time is greatly lowered, intraoperative hemorrhage is reduced and reduces infection risk；
The modular structure of the present invention changes the component combination mode of Combined type external fixed support, turns into board-like outer fixed branch
Frame, the component count of exterior fixing rack is greatly reduced, facilitates clinical practice, simplify manufacturing process, reduce and manufacture
Cost；
The height dimension of exterior fixing rack is greatly lowered in the simple and reliable overall structure of the present invention, makes exterior fixing rack
Main body significantly reduces the height of exterior fixing rack after mounting, that is, reduces patient and recover after surgery close proximity to skin
The puzzlement for the daily routines difficulty that phase is faced, facilitates patient to wear the clothes in winter warming again；
Using each construction module of polyether-ether-ketone (PEEK) material manufacture, the use of new material, new technology solves virgin metal
Exterior fixing rack in bone surgery can not pass through X-ray and influence in art and postoperative inspection is blocked and nuclear magnetic resonance check
Taboo problem, ensure the performance of exterior fixing rack, intensity and it is rigid under the premise of, polyether-ether-ketone (PEEK) material uses energy
Effectively mitigate the weight of exterior fixing rack, improve the processing efficiency and yield rate of product, reduce cost, mitigate patient or medical insurance expense
With the pressure of expenditure.
Brief description of the drawings
Fig. 1 is the locking module front view of the present invention；
Fig. 2 is Figure 1A-A sectional views；
Fig. 3 is that ball catch grips front view；
Fig. 4 is Fig. 3 B-B sectional views；
Fig. 5 is Fig. 3 C-C sectional views；
Fig. 6 is the locking module front view of embodiment two；
Fig. 7 is Fig. 6 D-D sectional views；
Fig. 8 is Fig. 6 E direction views；
Fig. 9 is the board-like exterior fixing rack front view of embodiment three；
Figure 10 is the board-like exterior fixing rack front view and floating adjustment module axial section structural representation of example IV；
Figure 11 is board-like exterior fixing rack front view and floating adjustment module, the axial direction for extending adjustment module of embodiment five
Cross-sectional view.
In figure：
01- locks module (1- lock rings；The external screw threads of 11- first；12- slit openings；13- the first taper anchor rings；13a- first
Annular end face；The anchor rings of 13b- first；
2- ball catch grips；21- spherical surfaces；22- disks；221- purl through holes；23- cross recesses；25- triangles
Annular tooth；
3- pedestals；The planes of 31a- first；The planes of 31b- second；The symmetrical 311- counterbores in both sides；The internal threads of 31- first；32-
Two taper anchor rings (through hole)；The square connecting through hole of 33-；34- locks annular groove；303- arc transitions pedestal)；
04- floatings adjustment module (4- coupling bars；The square coupling bars of 41-；42- locks bulge loop；43- bulbs；
5- locks loop coil；51- cone locking anchor rings, the internal threads of 52- second)；
010- extends adjustment module (10- floating adjustment seats；The spherical concave surfaces of 10a-；The external screw threads of 10b- second；
9- extends adjusting screw rod；The external screw threads of 91- the 3rd；
8- locking nuts；The internal threads of 81- the 4th；
7- adjusting nuts；The internal threads of 71- the 3rd；72- annular buckles；
6- extends regulation loop bar；61- buckle slots；62- elastic deformations groove)；
202-, which floats, adjusts dome module (including two floating adjustment seats 10)；
101- is fixedly connected module (coupling bar 4 of regular length)；
The cross recess mutual dislocation certain angle value that β-two disks are opened；
Be connected value in a certain angle between θ-two pedestals.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates the present invention.
Embodiment one：
A kind of board-like exterior fixing rack for trauma fracture treatment as shown in Figure 1, 2, including locking module, the lock
Tight module includes lock ring, ball catch grips, pedestal, and the lock ring is annular shape, and its outer shroud (external diameter) surface is provided with the first outer spiral shell
Line, the inner ring surface of the lock ring include the first taper anchor ring, also include being connected to the first taper anchor ring bottom in the present embodiment
The first anchor ring, be easy to process the first external screw thread, the first annular end of one end of the first taper anchor ring and the lock ring
Face is intersected, and described first annular end face is provided with the slit opening for being used for tightening screw thread, is used to tighten equipped with specific purpose tool；
The pedestal includes the first plane and the second plane being parallel to each other, and first plane offers counterbore, described
Counterbore inwall is provided with the first internal thread being engaged with the first external screw thread, is offered between the counterbore bottom surface and the second plane
Second taper anchor ring through hole, i.e., the inner ring surface of described through hole is the second taper anchor ring, and the first external screw thread of lock ring is screwed into pedestal
After first internal thread, the second taper anchor ring and the first taper anchor ring are symmetrical above and below；
As shown in Fig. 3,4,5, the outer surface that the ball catch grips includes spherical surface and two circles being parallel to each other are flat
Face (is referred to as the first disk and the second disk) in the present embodiment, offering purl between the center of circle of described two disks leads to
Hole (circle), a plurality of vertical channel, one circle are offered along the vertical direction of two disks from the inner surface of purl through hole
Plane is opened with a certain distance from a plurality of vertical channel bottom has from another disk, and another described disk opens a plurality of vertical channel bottom
With a certain distance from from one disk has, vertical channel mutual dislocation certain angle angle beta that two disks are opened, formed flexible
Retractable structure；Vertical channel opens to the spherical surface that ball catch grips from the inner surface of purl through hole always；The present embodiment
In opened four cross recesses, with a certain distance from the cross recess bottom opened up along the vertical direction of the first disk has from the second disk,
I.e. vertically not open-minded, the cross recess bottom equally opened up along the vertical direction of the second disk has necessarily from the first disk
Distance, 45 ° of the cross recess mutual dislocation that two disks are opened；
The ball catch, which grips, to be positioned in the counterbore of the pedestal, and lock ring is screwed into counterbore.It is flexible again after insertion purl
Purl angle direction is adjusted, lock ring is tightened, is clamped purl.
First ball catch is gripped during use and is positioned in the counterbore of pedestal, after be screwed into lock ring, purl is inserted into, using tightening
Instrument inserts slit opening, tightens lock ring so that ball catch grips tightly is locked along the first taper anchor ring and the second taper anchor ring contraction clip
Pin, the flexible positioning of spicule was both facilitated, and had been beneficial to effectively avoid important blood vessel and nerve again, prevents to greatest extent to patient's
Secondary injury, while ensure the reliable lock of spicule.Ball catch is automatically positioned when being clamped at assembling by cone torus.
The inner surface that the ball catch grips is designed with lobe, i.e., provided with the annular tooth that a few sections are triangle, to add
Strong coupling mechanism force.
Embodiment two：
As shown in Fig. 6,7 and 8, board-like exterior fixing rack of the invention, it is to lock module with the difference of embodiment one
Including two lock rings, two ball catch grip, two pedestals, be connected between two pedestals θ in a certain angle, the present embodiment
In be 120 °, be symmetrical arranged using 120 ° of bisector as symmetry axis, be arc transition between angle line, this arc transition section claims
For arc transition pedestal.
Arc transition pedestal has a projection in the present embodiment, and high spot is axially arranged with a square connection along pedestal counterbore and led to
Hole, square four angles are rounded down, and two terminations of square connection through hole are provided with locking annular groove.
Lock ring, ball catch are gripped with the structure of pedestal with embodiment one.
Embodiment three：
As shown in Figures 9 and 10, board-like exterior fixing rack of the invention, it is also to include fixing with the difference of embodiment two
Dome module, the coupling bar that module is regular length that is fixedly connected, the both ends of coupling bar (are fallen at four square angles in square
Have fillet), the middle part (between coupling bar and bulb) of the coupling bar is provided with locking bulge loop；The arc transition of the locking module
Pedestal position is provided with square connecting through hole, coordinates with the both ends of coupling bar；It is (outer at the both ends open of the square connecting through hole
Edge) locking annular groove is provided with, locked with the locking bulge loop of coupling bar, the locking annular groove of square connecting through hole is opened towards hole
The side of mouth is provided with the projection of several radial directions, for the coupling bar that is locked；Locking module includes two, respectively by described
Lock annular groove and the locking bulge loop locking, the board-like exterior fixing rack being integral with coupling bar connection, in use, the side of passing through
The coupling bar of shape fillet keeps the parallel of two locking modules, there is that different lengths are optional according to sufferer situation coupling bar, once choosing
Measured length, its length are unadjustable.
Remaining is the same as embodiment two.
Example IV：
As shown in figure 11, board-like exterior fixing rack of the invention, it is also to include floating to adjust with the difference of embodiment two
Module is saved, floating adjustment module includes coupling bar and locking loop coil, and one end of the coupling bar is square end (four square angles
It is rounded down), middle part is provided with locking bulge loop, i.e. circular projection, and the other end is provided with bulb, locking screw is socketed with outside the bulb
Ring, inside one end of the locking loop coil are provided with cone locking anchor ring, and the other end is provided with the second internal thread；
The high spot at the arc transition pedestal position of the locking module is provided with square connecting through hole, with the coupling bar
One end (square end) coordinate；(outward flange) is provided with locking annular groove at the both ends open of the square connecting through hole, and described
The locking bulge loop of coupling bar coordinates, and the locking annular groove of square connecting through hole is provided with the convex of several radial directions towards the side of hole opening
Rise, for the coupling bar that is locked；
Also include the regulation dome module that floats, the regulation dome module that floats includes two floating adjustment seats, and described float is adjusted
Section seat is a cylinder, and one end is provided with spherical concave surface, and spherical concave surface is engaged with the bulb on coupling bar, and described two float is adjusted
Section seat is combined as a whole at the other end, and two floating adjustment seat overall processings are integral in the present embodiment, periphery
There is the second external screw thread, be engaged with the second internal thread for locking loop coil；Coupling bar is used to connect floating adjustment module and locking mould
Block, in use, being had according to sufferer situation coupling bar, different lengths are optional, once designated length, its length is unadjustable.
The locking module includes two, is connected respectively by the floating adjustment module and the regulation dome module that floats
Connect and be integral.Specifically, two locking modules are connected with floating adjustment module respectively, and coupling bar penetrates locking loop coil, bulb
It is close to the cone locking anchor ring, the square connecting through hole of the arc transition pedestal of module is locked in the square end insertion of coupling bar,
The locking bulge loop at middle part locks with locking annular groove；Then the locking loop coil and overall processing of one of floating adjustment module
Floating regulation dome module floating adjustment seat threaded one end connection, the locking loop coil of another floating adjustment module with it is floating
The other end threaded connection of dynamic adjustment seat, most at last two locking modules are connected as the board-like outer fixed branch of an entirety
Frame.The various dimensions that sphere scope is realized with four suitable spheroid attachment structures are adjusted, and need not be accurately positioned the shape of positioning
State is issued to the high degree of flexibility that exterior fixing rack integrally positions, and improves the adaptability, ease for use and reliability of exterior fixing rack,
Para-operational device is reduced, operating time is greatly lowered, intraoperative hemorrhage is reduced and reduces infection risk.
Remaining is the same as embodiment two.
Embodiment five：
As shown in figure 12, board-like exterior fixing rack of the invention, it is also to include floating to adjust with the difference of embodiment two
Saving module, the floating adjustment module includes coupling bar and locking loop coil, and one end of the coupling bar is square pole, middle part (
Between the coupling bar and bulb of square fillet) locking bulge loop is provided with, the other end is provided with bulb, locking screw is socketed with outside the bulb
Ring, inside one end of the locking loop coil are provided with cone locking anchor ring, and the other end is provided with the second internal thread；
The arc transition pedestal position of locking module is provided with square connecting through hole, the one end fits with the coupling bar；
(outward flange) is provided with locking annular groove at the both ends open of the square connecting through hole, coordinates with the locking bulge loop of the coupling bar
Locking, the locking annular groove of square connecting through hole is provided with the projection of several radial directions towards the side of hole opening, for being locked
Coupling bar；
Coupling bar inserts square connecting through hole, for connecting floating adjustment module and locking module；
Also include extending adjustment module, the adjustment module that extends includes two floating adjustment seats positioned at both ends, extended
Adjusting screw rod, adjusting nut, locking nut, extension regulation loop bar, for coupling floating adjustment module and locking module, its length
It is adjustable；
Two floating adjustment seats are respectively arranged at the one end for extending adjusting screw rod and extending regulation loop bar, the regulation of floating
Seat is a cylinder, and one end is provided with spherical concave surface, and the spherical concave surface is engaged with the bulb on coupling bar, and periphery has the
Two external screw threads, it is engaged with the second internal thread for locking loop coil；The other end of one of floating adjustment seat is with extending regulation spiral shell
Rasp bar one end joins together, and the other end of another floating adjustment seat joins together with extending one end of regulation loop bar；It is described to prolong
The other end of long adjusting screw rod and extension regulation loop bar is linked together by locking nut and adjusting nut；
It is in hollow tubular structure to extend regulation loop bar, and one end is provided with annular buckle slot, and buckle slot part is provided with number vertically
Bar elastic deformation groove, adjusting nut is joined together with extending regulation loop bar for being caught in adjusting nut, avoid coming off；The other end
Joined together with floating adjustment seat；
The one end for extending adjusting screw rod is joined together with floating adjustment seat, and the other end, which is provided with, to be used to extend outside the 3rd of regulation
Screw thread；
Structure, inner surface one end are provided with the 3rd internal thread to adjusting nut in a ring, coordinate with extending the 3rd external screw thread of regulation
The extension adjusting screw rod is connected, the other end is provided with annular buckle and coordinated with the buckle slot, for being connected to extension adjusting set
One end of bar, adjusting nut is joined together with extending regulation loop bar, and can be rotated freely relative to regulation loop bar is extended；
Structure, inner surface have the 4th internal thread to locking nut in a ring, coordinate with extending the 3rd external screw thread of regulation, for locking
The tight adjusting nut；
In the present embodiment, locking module includes two, adjusts mould by the floating adjustment module and described extend respectively
Block connection is integral.Specifically, two locking modules are connected with floating adjustment module respectively, and coupling bar penetrates locking loop coil,
Bulb is close to the cone locking anchor ring, and the square connection of the arc transition pedestal of the square end insertion locking module of coupling bar is led to
Hole, locking bulge loop and the locking annular groove at middle part lock；Then assembling extends adjustment module, and adjusting nut is caught in extension regulation
The annular buckle slot of loop bar, adjusting nut is screwed into extension adjusting screw rod by the 3rd external screw thread, then passes through adjusting screw rod is extended
3rd external screw thread is screwed into adjusting nut；Finally extend adjustment module connect two floating adjustment modules, will extend regulation loop bar with
One end that floating adjustment seat joins together is screwed into the locking loop coil of one of floating adjustment module, will extend adjusting screw rod with floating
One end that dynamic adjustment seat joins together is screwed into the locking loop coil of another floating adjustment module；Most at last two locking module connections
Get up to turn into the board-like exterior fixing rack of an entirety.Its entire length is adjustable, facilitates clinical practice.
During using floating adjustment module, locking module is in free state, can adjust；Using be fixedly connected module when two
Locking module is in parastate.
Board-like exterior fixing rack in the present embodiment, using each construction module of polyether-ether-ketone (PEEK) material manufacture, solve
Virgin metal exterior fixing rack can not pass through X-ray in bone surgery and influence in art and postoperative inspection is blocked and nuclear-magnetism is total to
Shake the taboo problem of inspection, alleviate the weight of exterior fixing rack.
Remaining is the same as embodiment two.
Claims (8)
1. a kind of board-like exterior fixing rack for trauma fracture treatment, it is characterised in that including locking module, the locking mould
Block includes lock ring, ball catch grips, pedestal, and the external annular surface of the lock ring is provided with the first external screw thread, the inner ring table of the lock ring
Face includes the first taper anchor ring, and the first taper anchor ring intersects with the first annular end face of one end of the lock ring, described
First annular end face is provided with the slit opening for being used for tightening screw thread；
The pedestal includes the first plane and the second plane being parallel to each other, and first plane offers counterbore, the counterbore
Inwall is provided with the first internal thread being engaged with the first external screw thread, and second is offered between the counterbore bottom surface and the second plane
Taper anchor ring through hole；
The outer surface that the ball catch grips includes spherical surface and two disks being parallel to each other, described two disks
Purl through hole is offered between the center of circle, is offered along the vertical direction of two disks from the inner surface of purl through hole a plurality of vertical
Groove, the vertical channel open to the spherical surface always since the inner surface of purl through hole, and one disk is opened
With a certain distance from a plurality of vertical channel bottom has from another disk, another described disk opens from one, a plurality of vertical channel bottom circle
Plane has certain distance, the vertical channel mutual dislocation certain angle angle that two disks are opened, is formed flexible collapsible
Structure；
The ball catch, which grips, to be positioned in the counterbore of the pedestal, and lock ring is screwed into the counterbore.
2. board-like exterior fixing rack according to claim 1, it is characterised in that the inner surface design that the ball catch grips
There is lobe.
3. board-like exterior fixing rack according to claim 2, it is characterised in that two disks that the ball catch grips
The cross recess mutual dislocation angle opened is 45 °.
4. board-like exterior fixing rack according to claim 3, it is characterised in that the locking module includes two lock rings, two
Individual ball catch grips, two pedestals, in a certain angle and symmetrical relative to the angular bisector of the angle between described two pedestals
Set, be coupled among described two pedestals with arc transition pedestal.
5. board-like exterior fixing rack according to claim 4, it is characterised in that also include the module that is fixedly connected, the fixation
Dome module is the bar that is fixedly connected of regular length, and the both ends of the bar that is fixedly connected are in square, described to be fixedly connected in bar
Portion is provided with retaining ring；The arc transition pedestal position of the locking module is provided with square connecting through hole, is fixedly connected with described
The both ends of bar coordinate；At the both ends open of the square connecting through hole) locking annular groove is provided with, the lock with the bar that is fixedly connected
Tight bulge loop coordinates；The locking module includes two, respectively by the locking annular groove and the locking bulge loop with the fixation
Coupling bar connection is integral.
6. board-like exterior fixing rack according to claim 4, it is characterised in that also including floating adjustment module, the floating
Adjustment module includes coupling bar and locking loop coil, and one end of the coupling bar is square pole, and middle part is provided with locking bulge loop, the other end
Provided with bulb, locking screw ring is socketed with outside the bulb, inside one end of the locking loop coil is provided with cone locking anchor ring, another
End is provided with the second internal thread；
The arc transition pedestal position of the locking module is provided with square connecting through hole, the one end fits with the coupling bar；
(outward flange) is provided with locking annular groove at the both ends open of the square connecting through hole, coordinates with the locking bulge loop of the coupling bar
Locking；
Also include the regulation dome module that floats, the regulation dome module that floats includes two floating adjustment seats, and described float is adjusted
Section seat is a cylinder, and one end is provided with spherical concave surface, and the spherical concave surface is engaged with the bulb on coupling bar, described two floating
Dynamic adjustment seat is combined as a whole at the other end, and periphery has the second external screw thread, the second internal thread phase with locking loop coil
Coordinate；The coupling bar is used to connect floating adjustment module and locking module；
The locking module includes two, is connected as respectively by the floating adjustment module and the regulation dome module that floats
One is overall.
7. board-like exterior fixing rack according to claim 4, it is characterised in that also including floating adjustment module, the floating
Adjustment module includes coupling bar and locking loop coil, and one end of the coupling bar is square pole, and middle part is provided with locking bulge loop, the other end
Provided with bulb, locking screw ring is socketed with outside the bulb, inside one end of the locking loop coil is provided with cone locking anchor ring, another
End is provided with the second internal thread；
The arc transition pedestal position of the locking module is provided with square connecting through hole, the one end fits with the coupling bar；
Locking annular groove is provided with the both ends open of the square connecting through hole, is locked with the locking bulge loop of the coupling bar；
The coupling bar inserts square connecting through hole, for connecting floating adjustment module and locking module；
Also include extending adjustment module, the extension adjustment module includes two floating adjustment seats, extends adjusting screw rod, regulation spiral shell
Mother, locking nut, extend regulation loop bar；
Described two floating adjustment seats are respectively arranged at the one end for extending adjusting screw rod and extending regulation loop bar, the regulation of floating
Seat is a cylinder, and one end is provided with spherical concave surface, and the spherical concave surface is engaged with the bulb on coupling bar, and periphery is provided with
Second external screw thread, it is engaged with the second internal thread for locking loop coil；The other end of one of floating adjustment seat and extension
Regulation threaded rod one end joins together, and the other end of another floating adjustment seat joins together with extending one end of regulation loop bar；
The other end for extending adjusting screw rod and extending regulation loop bar is linked together by locking nut and adjusting nut；
The regulation loop bar that extends is in hollow tubular structure, and one end is provided with annular buckle slot, and buckle slot part is provided with number vertically
Bar elastic deformation groove, adjusting nut is set to be joined together with extending regulation loop bar for being caught in adjusting nut；The other end is adjusted with floating
Section seat joins together；
Described one end for extending adjusting screw rod is joined together with floating adjustment seat, and the other end, which is provided with, to be used to extend outside the 3rd of regulation
Screw thread；
Structure, inner surface one end are provided with the 3rd internal thread to the adjusting nut in a ring, coordinate with extending the 3rd external screw thread of regulation
The extension adjusting screw rod is connected, the other end is provided with annular buckle and coordinated with the buckle slot, for being connected to extension adjusting set
One end of bar, adjusting nut is joined together with extending regulation loop bar, and can be rotated freely relative to regulation loop bar is extended；
Structure, inner surface have the 4th internal thread to the locking nut in a ring, coordinate with extending the 3rd external screw thread of regulation, for locking
The tight adjusting nut；
The locking module includes two, and it is whole to be connected as one with the extension adjustment module by the floating adjustment module respectively
Body.
8. the board-like exterior fixing rack according to claim 1~7 any one, it is characterised in that use polyetheretherketonematerials materials
Manufacture each construction module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244745.2A CN107811688B (en) | 2017-11-30 | 2017-11-30 | Plate-type external fixing support for fracture wound treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244745.2A CN107811688B (en) | 2017-11-30 | 2017-11-30 | Plate-type external fixing support for fracture wound treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107811688A true CN107811688A (en) | 2018-03-20 |
| CN107811688B CN107811688B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244745.2A Active CN107811688B (en) | 2017-11-30 | 2017-11-30 | Plate-type external fixing support for fracture wound treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111529029A (en) * | 2020-05-21 | 2020-08-14 | 上海长海医院 | Integrative external fixation support of pelvis front and back ring |
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| Publication number | Publication date |
|---|---|
| CN107811688B (en) | 2024-04-16 |
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