CN204890146U - Universally adjust structure and pull skeletonization fixing device - Google Patents
Universally adjust structure and pull skeletonization fixing device Download PDFInfo
- Publication number
- CN204890146U CN204890146U CN201520522977.XU CN201520522977U CN204890146U CN 204890146 U CN204890146 U CN 204890146U CN 201520522977 U CN201520522977 U CN 201520522977U CN 204890146 U CN204890146 U CN 204890146U
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- bail
- adjust structure
- lead
- universal
- stator
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Abstract
The utility model relates to an universally adjust structure and pull skeletonization fixing device, it includes to pull skeletonization fixing device: universally adjust the structure, pull needle, two and two above tow lugs and connecting struts, it is a plurality of to pull needle quantity, respectively pulls the needle respectively with detachable mode and the universal rigid coupling of adjusting the structure, a plurality of second through -holes have been seted up on the tow lug respectively, each tow lug is installed respectively on the connecting struts, install universal adjusting the structure with the detachable mode respectively on the tow lug. The utility model discloses an universal adjust the structure and including this universal pulling skeletonization fixing device and improving and fix and avoid the injury because of threading a needle repeatedly and causing the patient to what pull the needle of adjusting the structure.
Description
Technical field
This utility model relates to the technical field of medical instruments being applied to bone surgery, is specifically related to universal adjust structure in one and comprises the distraction osteogenesis fixture of this universal adjust structure.
Background technology
Open fracture, tumor, osteomyelitis, dysplasia etc. all can cause the phenomenon such as Cranial defect and leg length discrepancy.It is treat that skeleton length and width defect, para-position are uneven, the unique method of the serious disease such as bone does not connect, osteomyelitis that distraction osteogenesis and bone are moved, and namely induces new osteanagenesis by tractive slow after low-yield osteotomy, and the normal sclerotin of moulding one-tenth.Distraction osteogenesis and bone are moved technology and are treated Cranial defect and promote that knitting fixes lower slow tractive bone section end to bring out new bone formation mainly through osteotomy under low-yield cortex and exterior fixation bracket.By moving through the traction apparatus of skeleton every day, make skeleton have 0.5-1mm marginal increase every day, after a treatment cycle, the formation of new bone makes skeleton (limbs) be extended, and reaches the object of repair deficiency and promotion knitting.Good extenal fixation pulling device is the successful essential condition of distraction osteogenesis.
Existing annular and semi-circular distraction osteogenesis device, be derived from the invention of Russian GavrillA.Ilizarov doctor the earliest, after progressively improve.Generally far away, proximal annular rim or semi-circular support are provided with at least two staggered spicules, through being fixed on respective towing bracket after skeleton; Traction work progressively just can be started after guaranteeing epiphysis good apposition, fixation.But find during clinical operation, a side-lining spicule is difficult to aim at the installed part of offside after have passed through skeleton, often need in causing doctor to perform the operation to spend the plenty of time to aim in the work of installed part at spicule; Sometimes need again to thread a needle, undoubtedly patient is brought to another injury.Even occur being fixed on support to thread a needle, the situation of the distortion spicule by force of having to, epiphysis can be caused time serious to misplace and the healing of injury distraction osteogenesis later stage bone section.Therefore, the risk that the pull needle of distraction osteogenesis fixture fixes difficulty and para-position of repeatedly threading a needle damages patient is comparatively large, becomes a difficult problem for field bone surgery for this reason always.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is the distraction osteogenesis fixture providing a kind of universal adjust structure rational in infrastructure and comprise this universal adjust structure, this universal adjust structure and the distraction osteogenesis fixture comprising this universal adjust structure reduce fixed traction pin difficulty and thus to the risk that patient damages.
For achieving the above object, this utility model adopts following technical scheme:
A kind of universal adjust structure, comprising:
Clip assembly, this clip assembly comprises lead, and this clip assembly offers guide groove;
Latch assembly, this latch assembly is set on lead; The latch that described latch assembly comprises framework and is connected removably with framework; Institute's framework coordinates the precalculated position this latch assembly being fixed on lead with latch; Described latch offer for being socketed with described lead the first sleeve joint hole coordinated; And
Fixation kit, this fixation kit offers blocked hole, and described fixation kit is fixed on latch assembly removably.
Preferably, described clip assembly comprises clamping body and is vertically fixed on the described lead on clamping body; This clamping body offers described guide groove.
Preferably, described clamping body the second clamping sheet of comprising the first clamping sheet and being removably connected with the first clamping sheet; Each first clamping sheet and the second clamping sheet offer a groove respectively; Groove fit on described first clamping sheet and the second clamping sheet forms described guide groove.
Preferably, described framework comprises the first plate body and is fixed on second plate body at the first plate body edge, and described first plate body offers the second sleeve joint hole; Described second plate body offer for locking friction tight spacing breach with lead, described lead interts in the first sleeve joint hole and spacing breach, fixing by the perisporium of the perisporium of the first sleeve joint hole and spacing breach and the outer wall of described lead are fitted, described latch assembly is fixed on the precalculated position of lead.
Preferably, described fixation kit comprises the first stator and the second stator, and described first stator aligns with the second stator and arranges; Described first stator and the second stator offer buckling groove and the first through hole for being connected with latch assembly respectively; Buckling groove on described first stator and the second stator complements each other to form described blocked hole.
Preferably, each latch comprises locking plate body, is fixed on the threaded post on locking plate body and the first nut with threaded post threaded engagement; Each threaded post is connected with first nut respectively; Described locking plate body offers described first sleeve joint hole.
This utility model also provides a kind of distraction osteogenesis fixture, comprise: above-described universal adjust structure, pull needle, two and two or more bail and connecting struts, described pull needle quantity is some, and each pull needle is affixed with universal adjust structure removably respectively; Each bail offers respectively some second through holes; Each bail is arranged on described connecting struts respectively; Each bail is provided with universal adjust structure respectively removably.
Preferably, described bail comprises bail body and is fixed on the guide rail of bail body peripheral wall; Described bail body offers some described second through holes; Described guide rail is for installing described universal adjust structure; The shape and structure of each bail is all identical.
Preferably, described bail body is annular or 3/4 annular; Described guide rail towards the direction projection away from bail body central on the perisporium of bail body; Draw-in groove is formed between guide rail and bail body.
Preferably, described second through hole comprises manhole and/or arc-shaped through-hole.
The beneficial effects of the utility model:
Compared with prior art, universal adjust structure of the present utility model, comprise clip assembly, latch assembly and fixation kit, this universal adjust structure can be realized to be installed on precalculated position by the draw-in groove of clamping assembly, described latch assembly can install the optional position with the lead of clamping assembly according to actual needs, described fixation kit is fixed on latch assembly removably, thus the position that can realize by this latch assembly adjustment fixation kit, the adjustment realizing described fixation kit being carried out in level and vertical direction optional position is coordinated by described draw-in groove and lead.This fixation kit is used for immobile phase and answers pull needle.
Distraction osteogenesis fixture of the present utility model, by above-described universal adjust structure is arranged on two and plural bail, when there is deviation after pull needle is through the skeleton of patient, by adjusting this position of universal adjust structure on bail, in conjunction with the position adjusting locked component and fixation kit, at an arbitrary position pull needle is fixed, without the need to bending pull needle or again wearing bone.
So universal adjust structure of the present utility model and the distraction osteogenesis fixture that comprises this universal adjust structure can reduce fixed traction pin difficulty and thus to the risk that patient damages.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of universal adjust structure in specific embodiment of the utility model;
Fig. 2 is a kind of universal structure adjust structure decomposing schematic representation in specific embodiment of the utility model;
Fig. 3 is the decomposing schematic representation of latch assembly when spacing breach is semicircle in specific embodiment of the utility model;
Fig. 4 is the structural representation of a kind of distraction osteogenesis fixture in specific embodiment of the utility model;
Fig. 5 is sectional view when bail and universal adjust structure decompose in specific embodiment of the utility model.
In figure: 100, distraction osteogenesis fixture; 1, universal adjust structure; 11, clip assembly; 110, guide groove; 111, clamping body; 112, the first clamping sheet; 113, the second clamping sheet; 114, groove; 115, lead; 116, bolt; 12, latch assembly; 121, framework; 1212, the second sleeve joint hole; 1213, spacing breach; 122, the first plate body; 123, the second plate body; 124, latch; 125, plate body is locked; 126, threaded post; 127, the first nut; 128, the first sleeve joint hole; 13, fixation kit; 131, blocked hole; 132, the first through hole; 133, the first stator; 134, the second stator; 136, buckling groove; 2, the first bail; 21, the second through hole; 22, ring body is drawn; 23, guide rail; 24, draw-in groove; 3, the second bail; 4, pull needle; 5, connecting struts; 6, installation component; 61, mounting rod; 63, bore a hole.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, this utility model is described further:
With reference to Fig. 1, a kind of universal adjust structure 1 is provided in embodiment of the present utility model, comprises clip assembly 11, latch assembly 12 and a fixation kit 13.Described clip assembly 11 offers a guide groove 110.Described fixation kit 13 is offered a blocked hole 131.Described latch assembly 12 is set on clip assembly 11.Described fixation kit 13 is fixed on latch assembly 12 removably.
With reference to Fig. 2, described clip assembly 11 comprises a clamping body 111 and and is vertically fixed on a lead 115 on clamping body 111.Described lead 115 is for installing described latch assembly 12.This clamping body 111 offers described guide groove 110.
Preferably, this clamping body 111 the second clamping sheet 113 of comprising the first clamping sheet 112 and removably connecting with the first clamping sheet 112.Such as: this first clamping sheet 112 is connected with the second clamping sheet 113 by a bolt 116.Each first clamping sheet 112 and the second clamping sheet 113 offer a groove 114 and at least one bolt apertures (figure does not mark) respectively.Described bolt is screw-coupled to the bolt apertures of the first clamping sheet 112 and the second clamping sheet 113 successively, realizes the first clamping sheet 112 and the second clamping sheet 113 to fix.Groove 114 on described first clamping sheet 112 and the second clamping sheet 113 coordinates and forms described guide groove 110.The width of the distance realization adjustment guide groove 110 of the first clamping sheet 112 and the second clamping sheet 113 is adjusted by adjustment bolt.
In conjunction with reference Fig. 2 and Fig. 3, the latch 124 that described latch assembly 12 comprises framework 121 and is connected removably with framework 121.Described framework 121 coordinates the precalculated position being used for latch assembly 12 being fixed on lead 115 with latch 124.Described framework 121 comprises two parallel and spaced first plate body 122 and the second plate bodys 123.The edge of this first plate body 122 is fixed with at least two the second plate bodys 123 respectively.Each second plate body 123 and the first plate body 122 can be formed in one.Described first plate body 122 offers second sleeve joint hole 1212.Each second plate body 123 offers spacing breach 1213 respectively.These two spacing breach 1213 are coaxially arranged.The described shape of spacing breach 1213 and the mating shapes of lead, such as the shape of this breach 1213 can be circle or semicircle.
Two the first nuts 127 that each latch 124 comprises a locking plate body 125, is fixed on two threaded post 126 on locking plate body 125 and coordinates with threaded post 126, this two threaded post 126 is coaxially arranged.Described locking plate body 125 offers the first sleeve joint hole 128 for passing for described lead 115.One of them threaded post 126 can be spirally connected in the second sleeve joint hole 1212; Another threaded post 126 is spirally connected with fixation kit 13.
The described blocked hole 131 described fixation kit 13 offered the first through hole 132 for coordinating with described threaded post 126 and pass for pull needle.This fixation kit 13 of fixation kit is between latch 124 and first nut 127.The axis of described blocked hole 131 and the axes intersect of the first through hole 132.Preferably, the axis of this blocked hole 131 and the axes normal of the first through hole 132.This blocked hole 131 runs through a side surface of fixation kit 13, such as, be the upper surface of fixation kit 13.
Described fixation kit 13 comprises the first stator 133 and the second stator 134, first stator 133 and aligns with the second stator 134 and arrange and be formed with gap between the two.Described first stator 133 and the second stator 134 offer a buckling groove 136 and described first through hole 132 respectively, and each buckling groove 136 is through with described gap respectively.These two buckling grooves 136 align and arrange, and both coordinate the described blocked hole 131 of formation.Described first stator 133 is sheathed with in a threaded post 126 by the first through hole 132, and fixing overall in one with described locking plate body 125.
A kind of process of assembling universal adjust structure 1: the latch 124 of latch assembly 12 is arranged in framework 121, and the threaded post 126 on latch 124 is screw-coupled in the second sleeve joint hole 1212, the first sleeve joint hole 128 is coaxially arranged with spacing breach 1213.By the lead 115 of clip assembly 11 through described spacing breach 1213 and the first sleeve joint hole 128.Latch assembly 12 is made to be set on the lead 115 of clip assembly 11.Adjust the position of latch assembly 12 on lead 115, by described framework 121, the direction of continuing towards latch 124 advances, make the outer wall of the perisporium of the first sleeve joint hole 128 and the perisporium of spacing breach 1213 and described lead 115 fit fixing, realize the precalculated position described latch assembly 12 being fixed on lead 115.The now center of the first sleeve joint hole 128 and the off(-)center of spacing breach 1213, then be screwed onto in corresponding threaded post 126 by one first nut 127.Another threaded post 126 of latch 124 is interted in the first through hole 132 of fixation kit 13, then by one first nut 127, this fixation kit 13 is fixed on described latch 124.And can corresponding first nut 127 of turn be passed through, realize the size in gap between adjustment first stator 133 and the second stator 134, thus the size in adjustment blocked hole 131 aperture.
In sum, universal adjust structure is rotating corresponding nut 127 by adjustment, then framework 121 is moved towards the direction away from latch 124, latch assembly 12 can be reciprocatingly slided on lead 115, then after adjusting the position of latch assembly 12, pass through the first nut 127 again by latch assembly 12 by solid lead 115, so this latch assembly 12 can as required on the optional position being fixed on lead 115.And realize this universal adjust structure to fix on a corresponding position arbitrarily, so the position of the blocked hole 131 of this universal adjust structure 1 can adjust as required in three dimensions by described guide groove 110.
In conjunction with reference Fig. 1-Fig. 4, this utility model also provides a kind of distraction osteogenesis fixture 100 comprising the above universal adjust structure 1.Below for more than three or three bails, distraction osteogenesis fixture 100 of the present utility model is described.This distraction osteogenesis fixture 100 comprises at least three universal adjust structure 1, two the first bails 2, at least one second bail 3, some pull needle 4, at least three connecting struts 5, at least three installation components 6.Each first bail 2 and the second bail 3 offer some second through holes 21 respectively.Each first bail 2, second bail 3 is arranged on described connecting struts 5 respectively.Each connecting struts 5 passes the second through hole 21 of the first bail 2 and the second bail 3 successively.Each first bail 2, second bail 3 is provided with respectively removably installation component 6 and a universal adjust structure 1.Each pull needle 4 respectively removably with installation component 6 and universal adjust structure 1 affixed.
In this example, after described first bail 2 can be utilized to coordinate with pull needle 4, distraction osteogenesis fixture 100 of the present utility model is fixed on it user; After described second bail 3 can be utilized to coordinate with pull needle 4, the cross section of stretching knochenbruch, the 3rd bail mainly plays fixation.Certainly, described second bail 3 also can be utilized with the 3rd bail and pull needle 4 to coordinate the cross section of the knochenbruch that stretches, and utilize the first bail to play fixation.
The shape and structure of described first bail 2 and the second bail 3 can be identical or similar.Below to be described the first bail 2.This first bail 2 comprises bail body 22 and is fixed on the guide rail 23 of bail body 22 periphery wall.Described bail body 22 offers some described second through holes 21.This bail body 22 can be annular or 3/4 annular etc.Described second through hole 21 can be symmetric centered by the center of circle of bail body 22.
With reference to Fig. 5, described guide rail 23 towards the direction projection away from bail body 22 center on the perisporium of bail body 22.The shape of this guide rail 23 and the periphery wall of bail body 22 same or similar.Such as, this guide rail 23 can be annular or 3/4 annular.Preferably, the upper surface of this guide rail 23 and/or lower surface can the periphery wall of bail body 22 relatively tilt, and this angle of inclination can be 10-45 °.So be appreciated that and be formed with draw-in groove 24 between guide rail 23 and bail body 22.The shape in this guide rail 23 cross section is identical with the shape in described guide groove 110 cross section.
The periphery wall of each described connecting struts 5 offers external screw thread.The second nut (not shown) that each installation component 6 comprises a mounting rod 61 and is connected removably with mounting rod 61.One end of described mounting rod 61 offers at least one perforation 63 of passing for supplying pull needle 4; The other end offers external screw thread (figure does not mark), and this end can pass described second through hole 21.Described second nut is set in mounting rod 61 in the mode be spirally connected and offers externally threaded one end, thus can realize being arranged on by this installation component 6 on the precalculated position of the first bail 2 or the second bail 3.By multiple perforation 63, multiple pull needle 4 can be realized and pass.
Assemble and use the process of distraction osteogenesis fixture 100 of the present utility model can be: by each connecting struts 5 simultaneously through the second through hole 21 on each first bail 2 and the second bail 3, and described second bail 3 is between two the first bails 2.Intert the mounting rod 61 of an installation component 6 at second through hole 21 of each first bail 2 and the second bail 3 respectively, and by the second nut, corresponding installation component 6 is arranged on corresponding first bail 2 or the second bail 3.In conjunction with reference to Fig. 5, universal adjust structure 1 is connected on described guide rail 23 by described guide groove 110.
During use, two the first bails 2 are arranged on respectively the two ends up and down of people's limbs, described second bail 3 with wait that drawing bone section aligns.On the first bail 2 and the second bail 3, pull needle 4 is installed respectively.By the perforation 63 of a pull needle 4 through corresponding installation component 6, and can extend towards the direction of universal adjust structure 1.By pull needle 4, two the first bails 2 are fixed on people's limbs.Pull needle 4 on second bail 3 is passed bone section and extended to universal adjust structure 1.
The process that first bail 2 and the second bail 3 are installed pull needle 4 is same or similar, be described to install pull needle 4 to the second bail 3 below: when pull needle 4 is drawn to universal adjust structure 1, this pull needle 4 may not alignd with the blocked hole 131 of universal adjust structure 1, realizes pull needle 4 align with blocked hole 131 by carrying out adjustment to universal adjust structure 1.
Such as: when this traction 4 pin is positioned at top or the below of blocked hole 131, the position of latch assembly 12 on lead 115 can be adjusted, to be fixed in described blocked hole 131 until pull needle 4 is interted, thus realize the position that Vertical Square adjusts upward blocked hole 131, be embodied as pull needle 4 and be fixed.When this pull needle 4 is positioned at left or the right of blocked hole 131, the position of 1 structure on guide rail 23 is tied by this adjustment, be fixed until pull needle 4 to be interted machine in described blocked hole 131, thus realize the position adjusting blocked hole 131 in the horizontal direction, be embodied as pull needle 4 and be fixed.Coordinated by vertical direction and horizontal direction and can realize the enterprising Row sum-equal matrix of elevation direction.Therefore in use, without the need to again to thread a needle or distortion pull needle 4 just can solve pull needle 4 problem inaccurate with blocked hole 131 para-position.Thus reduce the difficulty of bone surgery and the risk damaged to patient.
Preferably: described second through hole 21 comprises manhole and/or arc-shaped through-hole.Manhole described in this and arc-shaped through-hole can interlacedly be arranged; Such as: between two adjacent arc-shaped through-holes, be at least provided with a manhole.Be appreciated that the shape and structure of described universal adjust structure 1 is identical with installation component 6, described universal adjust structure 1 can be used with installation component 6 in phase trans-substitution.When described pull needle 4 is through after bone, pull needle, when 4 horizontal directions are not alignd with universal adjust structure 1, can be interted in the blocked hole 131 of universal adjust structure 1 by universal adjust structure 1 to be made the end of pull needle 4 in the position of arc-shaped through-hole smoothly.
It should be noted that, the top in the embodiment of this real utility model is this distraction osteogenesis fixture 100 of the present utility model be arranged on human body afterwards towards the direction of human body head.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of this utility model claim.
Claims (10)
1. universal adjust structure, is characterized in that, comprising:
Clip assembly, this clip assembly comprises lead, and this clip assembly offers guide groove;
Latch assembly, this latch assembly is set on lead; The latch that described latch assembly comprises framework and is connected removably with framework; Institute's framework coordinates the precalculated position this latch assembly being fixed on lead with latch; Described latch offer for being socketed with described lead the first sleeve joint hole coordinated; And
Fixation kit, this fixation kit offers blocked hole, and described fixation kit is fixed on latch assembly removably.
2. universal adjust structure according to claim 1, is characterized in that, described clip assembly comprises clamping body and is vertically fixed on the described lead on clamping body; This clamping body offers described guide groove.
3. universal adjust structure according to claim 2, is characterized in that, the second clamping sheet that described clamping body comprises the first clamping sheet and is removably connected with the first clamping sheet; Each first clamping sheet and the second clamping sheet offer a groove respectively; Groove fit on described first clamping sheet and the second clamping sheet forms described guide groove.
4. universal adjust structure according to claim 1, is characterized in that, described framework comprises the first plate body and is fixed on second plate body at the first plate body edge, and described first plate body offers the second sleeve joint hole; Described second plate body offer for locking friction tight spacing breach with lead, described lead interts in the first sleeve joint hole and spacing breach, fixing by the perisporium of the perisporium of the first sleeve joint hole and spacing breach and the outer wall of described lead are fitted, described latch assembly is fixed on the precalculated position of lead.
5. universal adjust structure according to claim 1, is characterized in that, described fixation kit comprises the first stator and the second stator, and described first stator aligns with the second stator and arranges; Described first stator and the second stator offer buckling groove and the first through hole for being connected with latch assembly respectively; Buckling groove on described first stator and the second stator complements each other to form described blocked hole.
6. the universal adjust structure according to any one of claim 1-5, is characterized in that, each latch comprises locking plate body, is fixed on the threaded post on locking plate body and the first nut with threaded post threaded engagement; Each threaded post is connected with first nut respectively; Described locking plate body offers described first sleeve joint hole.
7. distraction osteogenesis fixture, it is characterized in that, comprise: the universal adjust structure as described in any one of claim 1-6, pull needle, two and two or more bail and connecting struts, described pull needle quantity is some, and each pull needle is affixed with universal adjust structure removably respectively; Each bail offers respectively some second through holes; Each bail is arranged on described connecting struts respectively; Each bail is provided with universal adjust structure respectively removably.
8. distraction osteogenesis fixture according to claim 7, is characterized in that, described bail comprises bail body and is fixed on the guide rail of bail body peripheral wall; Described bail body offers some described second through holes; Described guide rail is for installing described universal adjust structure; The shape and structure of each bail is all identical.
9. distraction osteogenesis fixture according to claim 8, is characterized in that, described bail body is annular or 3/4 annular; Described guide rail towards the direction projection away from bail body central on the perisporium of bail body; Draw-in groove is formed between guide rail and bail body.
10. distraction osteogenesis fixture according to claim 8 or claim 9, it is characterized in that, described second through hole comprises manhole and/or arc-shaped through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522977.XU CN204890146U (en) | 2015-07-17 | 2015-07-17 | Universally adjust structure and pull skeletonization fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522977.XU CN204890146U (en) | 2015-07-17 | 2015-07-17 | Universally adjust structure and pull skeletonization fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204890146U true CN204890146U (en) | 2015-12-23 |
Family
ID=54912369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520522977.XU Withdrawn - After Issue CN204890146U (en) | 2015-07-17 | 2015-07-17 | Universally adjust structure and pull skeletonization fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN204890146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104983455A (en) * | 2015-07-17 | 2015-10-21 | 刘礼初 | Universal adjusting structure and distraction ostesgenesis fixing device |
-
2015
- 2015-07-17 CN CN201520522977.XU patent/CN204890146U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104983455A (en) * | 2015-07-17 | 2015-10-21 | 刘礼初 | Universal adjusting structure and distraction ostesgenesis fixing device |
| CN104983455B (en) * | 2015-07-17 | 2017-10-27 | 刘礼初 | Universal adjustment structure and distraction osteogenesis fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20171027 |
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| AV01 | Patent right actively abandoned |