CN106963468A - A kind of children's Injury of Epiphyseal Plate fixing device - Google Patents
A kind of children's Injury of Epiphyseal Plate fixing device Download PDFInfo
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- CN106963468A CN106963468A CN201710253710.9A CN201710253710A CN106963468A CN 106963468 A CN106963468 A CN 106963468A CN 201710253710 A CN201710253710 A CN 201710253710A CN 106963468 A CN106963468 A CN 106963468A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (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)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention relates to children's epiphyseal plate technical field, specially a kind of children's Injury of Epiphyseal Plate fixing device, the pressing plate is composed of a fixed connection by two isoceles triangle plate bases, the outer set square of the pressing plate mutually is abutted against to form cone, the inner chamber of the smooth nail is plugged with piston rod, one end of the piston rod reaches the outside of smooth nail through limiting plate, the other end of piston rod is fixedly connected with head rod corresponding with pressing plate, the one end of the top plate away from piston rod is connected with multiple projections, the top plate is connected with cam close to one end of piston rod, the cam is connected with multiple teeth away from projection side is equidistant, the inner ring of the cam is plugged with bearing, the inner ring of the bearing is plugged with the fix bar for being fixed on smooth nail inwall, rack corresponding with teeth is connected with the piston rod, and rack corresponding with teeth is located at the left side of teeth.The features such as present invention has simple in construction, easy installation and removal, sound construction.
Description
Technical field
The present invention relates to children's epiphyseal plate technical field, specially a kind of children's Injury of Epiphyseal Plate fixing device.
Background technology
Injury of Epiphyseal Plate is the distinctive damage type of children, due to the particularity of children's epiphyseal plate, and plain screw can not pass through epiphysis
Plate, Interal fixation can not cross over epiphyseal plate, epiphyseal plate can be caused to block, and can only use smooth Kirschner wire fixation, existing Technical Reference
Fig. 9-10, are to be fixed using smooth Kirschner wire directly through epiphyseal plate, but because children's nature is active, it is easy to so that kirschner
Pin misplaces, the speed that reduction epiphyseal plate is repaired, and causes epiphyseal plate reparation to misplace when serious, influences all one's life of children, PCT/
A kind of deformable bone fixation device is disclosed in US2005/020157, the device include multiple almost sphericals, on be installed with the spiral shell of screw
Nail accommodates component, and a connection component is extended from each screw receiving component；One linking arm, is not along screw receiving group
Major axis extension between part, but extend along major axis side, screw accommodates component and is connected to by connection component on linking arm, this
Planting structure has number of drawbacks：Part is more, complicated, and assembling needs multiple steps, is filled in addition, only can not be reversed around major axis
Put, and what this torsion was typically required；A kind of bone external fixer and its application method disclosed in CN101028209A, should
Device includes retainer ring, support bar, nut, Kirschner wire and fixture of threading a needle, and bone is passed through by Kirschner wire, reaches outside skin,
Then by two clamping rings and multiple support bars by Kirschner wire fixation, this structure has number of drawbacks：Part is more, to by
Traumatic part bit strip is greatly born, complicated, and assembling needs multiple steps, and activity is obstructed.Therefore, a kind of it is proposed that youngster
Virgin Injury of Epiphyseal Plate fixing device.
The content of the invention
It is an object of the invention to provide a kind of children's Injury of Epiphyseal Plate fixing device, to solve to propose in above-mentioned background technology
The problem of.The features such as children's Injury of Epiphyseal Plate fixing device has simple in construction, easy installation and removal, sound construction.
To achieve the above object, the present invention provides following technical scheme：
One aspect of the present invention provides a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate, and the side wall lower ends of steel plate run through
Two lock screws are connected with, the sidewall upper of the steel plate, which runs through, is connected with three smooth nails.
It is preferred that, the smooth nail selects smooth Kirschner wire.
As an improvement, the present invention also provides a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate, the side wall lower ends of steel plate
Through two lock screws are connected with, the sidewall upper of the steel plate, which runs through, is connected with three smooth nails, during the smooth nail is in
Hollow structure, the smooth nail is connected with limiting plate close to one end of steel plate, and the described smooth one end of nail away from steel plate is hinged with many
Individual pressing plate, the pressing plate is composed of a fixed connection by two isoceles triangle plate bases, and the outer set square of the pressing plate is mutually abutted against
Formed in cone, and outer set square and offer multiple first screwed holes, the inner chamber of the smooth nail is plugged with piston rod, institute
State the outside that one end of piston rod reaches smooth nail through limiting plate, the other end of piston rod is fixedly connected with corresponding with pressing plate
Head rod, the other end of the head rod is hinged with the second connecting rod, the other end and pressure of second connecting rod
Inside set square is hinged in plate；
The upper and lower ends of the smooth nail offer multiple through holes on along its length, the side wall of the through hole passes through spring
Top plate is connected with, the one end of the top plate away from piston rod is connected with multiple projections, and the top plate is lived close to one end of piston rod
Dynamic to be connected with cam, the cam is connected with multiple teeth away from projection side is equidistant, and the inner ring of the cam is plugged with axle
Hold, the inner ring of the bearing is plugged with the fix bar for being fixed on smooth nail inwall, is connected with the piston rod corresponding with teeth
Rack, and rack corresponding with teeth be located at teeth left side.
It is preferred that, the smooth nail is set with lock screw in angle, and angle is acute angle.
It is preferred that, the quantity more than three of the pressing plate, and pressing plate is distributed in a ring, two in the pressing plate set square
The angle formed is at an acute angle.
It is preferred that, the quantity of the through hole is more than four, and through hole is isodistantly spaced arrangement.
It is preferred that, the raised quantity is more than 12, and raised in matrix arrangement, and projection is in convex structure.
It is preferred that, the distance between the corresponding rack and teeth are more than the length of head rod, and less than the
One connecting rod is connected pole length sum with second.
It is preferred that, the teeth are using the center line of CAM profiles as symmetry axis symmetry arrangement, and the angle that teeth are formed
Less than 180 degree.
It is preferred that, the overall diameter of smooth nail is 2mm, and interior diameter is 1.5mm.
Compared with prior art, the beneficial effects of the invention are as follows：
This children Injury of Epiphyseal Plate fixing device, is directly used in distal tibial fracture, three pieces of smooth nails of top can be direct
Through epiphyseal plate, without damaging epiphyseal plate, steel plate will not cause epiphyseal plate to block without crossing over epiphyseal plate, more obvious than Kirschner wire fixation to increase
Plus stability.
As improved children's Injury of Epiphyseal Plate fixing device, steel plate is placed on children's Injury of Epiphyseal Plate position, will be locked
Screw is passed through in percutaneous plate epiphysis, then promotes limiting plate that through percutaneous plate to metaphysis, smooth nail is promoted into piston rod,
Pressing plate is bulldozed by head rod and the second connecting rod, bolt fixes smooth nail with impaired epiphysis through the first screwed hole
Connection, while piston rod is promoted, rack is moved, and when being moved to the lower section of cam, is engaged with teeth, band moving cam
Rotate, top plate is ejected, increases the frictional force with dry epiphysis, add stability, projection is increased and dry epiphysis by the projection of cam
Contact surface, significantly improve stability, when injury repair complete, bolt is backed out, pull piston rod, pressing plate to it is smooth nail receive
Contracting, rack departs from teeth, and top plate is retracted in through hole in the presence of spring restoring force, stirs limiting plate and lock screw, i.e.,
It is dismountable, convenient disassembly, the features such as present invention has simple in construction, easy installation and removal, sound construction.
Brief description of the drawings
Fig. 1 is first embodiment of the invention structural representation；
Fig. 2 a are first embodiment of the invention scheme of installation one；
Fig. 2 b are first embodiment of the invention scheme of installation two；
Fig. 3 is the non-mounting structure schematic diagram of second embodiment of the invention；
Fig. 4 is that second embodiment of the invention installs fixed structure schematic diagram；
Fig. 5 is second embodiment of the invention A portions mplifying structure schematic diagram；
Fig. 6 is second embodiment of the invention B portions mplifying structure schematic diagram；
Fig. 7 is second embodiment of the invention C portions mplifying structure schematic diagram；
Fig. 8 is second embodiment of the invention D portions mplifying structure schematic diagram；
Fig. 9 is steel plate side structure schematic view of the present invention；
Figure 10 is second embodiment of the invention E-E cross section structure schematic diagrams；
Figure 11 is the structure chart of children's epiphysis/epiphyseal plate/metaphysis；
Figure 12 a are Kirschner wire fixation schematic diagram in the prior art；
Figure 12 b are that prior art light plate crosses over epiphyseal plate fixed form schematic diagram.
In figure：1 steel plate, 2 racks, 3 lock screws, 4 smooth nails, 5 limiting plates, 6 piston rods, 61 head rods, 62
Two connecting rods, 7 pressing plates, 71 first screwed holes, 8 through holes, 9 top plates, 10 springs, 11 projections, 12 cams, 13 bearings, 14 fix bars,
15 teeth, 16 metaphysis, 17 epiphyseal plates, 18 epiphysis.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
A kind of children's Injury of Epiphyseal Plate fixing device, such as Fig. 1, Fig. 2 a, Fig. 2 b, shown in Fig. 9, including steel plate 1, the side of steel plate 1
Wall lower end is through two lock screws 3 are connected with, and the sidewall upper of steel plate 1 is through three smooth nails 4 are connected with, and smooth nail 4 can
From smooth Kirschner wire, lock screw is the common lock screw of orthopaedics.
In use, steel plate 1 is placed on into children's Injury of Epiphyseal Plate position, two lock screws are implanted into epiphysis parallel to epiphyseal plate
Interior, smooth nail, into angle, metaphysis is placed to by epiphyseal plate with epiphyseal plate.Children's Injury of Epiphyseal Plate fixing device of the present embodiment, directly
Connect for distal tibial fracture, three pieces of smooth nails of top can directly through epiphyseal plate, without damaging epiphyseal plate, steel plate without across
More epiphyseal plate, will not cause epiphyseal plate to block, increase stability more obvious than Kirschner wire fixation.
Embodiment 2
A kind of children's Injury of Epiphyseal Plate fixing device, as shown in figs. 3-10, including steel plate 1, the side wall lower ends of steel plate 1 are through company
Two lock screws 3 are connected to, the sidewall upper of steel plate 1 is through three smooth nails 4 are connected with, and smooth nail 4 is in hollow structure, smooth
Nail 4 is connected with limiting plate 5 close to one end of steel plate 1, and 4 one end away from steel plate 1 of smooth nail are hinged with multiple pressing plates 7, pressing plate 7 by
Two isoceles triangle plate bases are composed of a fixed connection, and the outer set square of pressing plate 7 is mutually abutted against to form cone, and outer triangle
Multiple first screwed holes 71 are offered on plate, the inner chamber of smooth nail 4 is plugged with piston rod 6, and limiting plate is run through in one end of piston rod 6
5 reach the outside of smooth nail 4, and the other end of piston rod 6 is fixedly connected with head rod 61 corresponding with pressing plate 7, and first connects
The other end of extension bar 61 is hinged with the second connecting rod 62, and the other end and the set square inside in pressing plate 7 of the second connecting rod 62 are cut with scissors
Connect；
The upper and lower ends of smooth nail 4 offer multiple through holes 8 on along its length, the side wall of through hole 8 is connected by spring 10
Top plate 9 is connected to, the one end of top plate 9 away from piston rod 6 is connected with multiple raised 11, and top plate 9 connects close to one end activity of piston rod 6
It is connected to cam 12, cam 12 is connected with multiple teeth 15 away from projection side is equidistant, and the inner ring of cam 12 is plugged with bearing 13,
The inner ring of bearing 13 is plugged with the fix bar 14 for being fixed on 4 inwalls of smooth nail, piston rod 6 and is connected with and the corresponding tooth of teeth 15
Bar 2, and rack 2 corresponding with teeth 15 is located at the left side of teeth 15.
Specifically, the smooth nail 4 is set with lock screw 3 in angle, and angle is acute angle.
Specifically, the quantity more than three of pressing plate 7, and pressing plate 7 is distributed in a ring, and two in pressing plate 7 set square is formed
Angle it is at an acute angle.
Specifically, the quantity of through hole 8 is more than four, and through hole 8 is isodistantly spaced arrangement.
Specifically, the quantity of projection 11 is more than 12, and projection 11, in matrix arrangement, projection 11 is in convex structure,
Arc-shaped is protected well when being contacted with dry epiphysis, does not cause damage to it.
Specifically, the distance between corresponding rack 2 and teeth 15 are more than the length of head rod 61, and less than the
One connecting rod 61 and the length sum of the second connecting rod 62 so that when promotion piston rod 6 opens pressing plate 7, teeth 15 are nibbled with rack 2
Close.
Specifically, teeth 15 are using the center line of the projection of cam 12 as symmetry axis symmetry arrangement, and the angle of the formation of teeth 15
Less than 180 degree, it is easy to moving up and down for top plate 9.
Specifically, the overall diameter of smooth nail 4 is 2mm, interior diameter is 1.5mm.
Children's Injury of Epiphyseal Plate fixing device of the present embodiment, not only possesses all advantages of embodiment 1, and steel plate 1 is put
Put at children's Injury of Epiphyseal Plate position, lock screw 3 is implanted into epiphysis through steel plate 1, then promote limiting plate 5 by smooth nail 4
Metaphysis is implanted to through steel plate 1, piston rod 6 is promoted, is bulldozed pressing plate 7 by the connecting rod 62 of head rod 61 and second,
Smooth nail 4 is fixedly connected by bolt through the first screwed hole 71 with impaired epiphysis, and while piston rod 6 are promoted, rack 2 is therewith
It is mobile, when being moved to the lower section of cam 12, engaged with teeth 15, band moving cam 12 is rotated, and the projection of cam 12 pushes up top plate 9
Go out, increase the frictional force with dry epiphysis, more add stability, projection 11 increases the contact surface with dry epiphysis, improve steady
It is qualitative, when injury repair is completed, bolt is backed out, piston rod 6 is pulled, pressing plate 7 shrinks to smooth nail 4, and rack 16 departs from teeth
15, top plate 9 is retracted in through hole 8 in the presence of the restoring force of spring 10, stirs limiting plate 5 and lock screw 3, you can removed,
Convenient disassembly, the features such as present invention has simple in construction, easy installation and removal, sound construction.
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 changes, modification can be carried out to these embodiments, replace 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 (10)
1. a kind of children's Injury of Epiphyseal Plate fixing device, including steel plate (1), the side wall lower ends of steel plate (1), which run through, is connected with two locks
Determine screw (3), it is characterised in that：The sidewall upper of the steel plate (1), which runs through, is connected with three smooth nails (4).
2. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 1, it is characterised in that smooth nail (4) choosing
Use smooth Kirschner wire.
3. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 1, it is characterised in that smooth follow closely (4) are in
Hollow structure, the smooth nail (4) is connected with limiting plate (5) close to one end of steel plate (1), and the smooth nail (4) is away from steel plate
(1) one end is hinged with multiple pressing plates (7), and the pressing plate (7) is composed of a fixed connection by two isoceles triangle plate bases, the pressure
The outer set square of plate (7) is mutually abutted against to form cone, and offers multiple first screwed holes (71), institute on outer set square
The inner chamber for stating smooth nail (4) is plugged with piston rod (6), and one end of the piston rod (6) reaches smooth nail through limiting plate (5)
(4) outside, the other end of piston rod (6) is fixedly connected with head rod (61) corresponding with pressing plate (7), and described first connects
The other end of extension bar (61) is hinged with the second connecting rod (62), the other end of second connecting rod (62) with pressing plate (7) to
Interior set square is hinged；
The upper and lower ends of the smooth nail (4) offer multiple through holes (8) on along its length, the side wall of the through hole (8) leads to
Cross spring (10) and be connected with top plate (9), the one end of the top plate (9) away from piston rod (6) is connected with multiple raised (11), described
Top plate (9) is connected with cam (12) close to one end of piston rod (6), and the cam (12) is away from the equidistant company in projection side
Multiple teeth (15) are connected to, the inner ring of the cam (12) is plugged with bearing (13), and the inner ring of the bearing (13) is plugged with admittedly
It is scheduled on the fix bar (14) of smooth nail (4) inwall, the piston rod (6) and is connected with rack (2) corresponding with teeth (15), and
Rack (2) corresponding with teeth (15) is located at the left side of teeth (15).
4. a kind of children's Injury of Epiphyseal Plate fixing device according to Claims 2 or 3, it is characterised in that：The smooth nail (4)
Set with lock screw (3) in angle, and angle is acute angle.
5. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the pressing plate (7)
More than three is measured, and pressing plate (7) is distributed in a ring, the angle that two set squares in the pressing plate (7) are formed is at an acute angle.
6. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the through hole (8)
Amount is more than four, and through hole (8) is isodistantly spaced arrangement.
7. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The number of the projection (11)
Amount is more than 12, and raised (11) arrange in matrix, and raised (11) are in convex structure.
8. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The corresponding rack
(2) it is more than the length of head rod (61) with the distance between teeth (15), and connects less than head rod (61) with second
Extension bar (62) length sum.
9. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The teeth (15) are with convex
The center line for taking turns (12) projection is symmetry axis symmetry arrangement, and the angle that teeth (15) are formed is less than 180 degree.
10. a kind of children's Injury of Epiphyseal Plate fixing device according to claim 3, it is characterised in that：The smooth nail (4)
Overall diameter is 2mm, and interior diameter is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253710.9A CN106963468B (en) | 2017-04-18 | 2017-04-18 | Child epiphyseal plate damage fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253710.9A CN106963468B (en) | 2017-04-18 | 2017-04-18 | Child epiphyseal plate damage fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106963468A true CN106963468A (en) | 2017-07-21 |
| CN106963468B CN106963468B (en) | 2023-08-29 |
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ID=59333505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253710.9A Active CN106963468B (en) | 2017-04-18 | 2017-04-18 | Child epiphyseal plate damage fixing device |
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| Country | Link |
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| CN (1) | CN106963468B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533235A (en) * | 2022-02-24 | 2022-05-27 | 中国人民解放军总医院第七医学中心 | Children epiphyseal plate damage fixing device that resets |
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| CN105434019A (en) * | 2015-08-18 | 2016-03-30 | 王浩 | In-vitro type rib and sternum fracture reduction and pressurization fixing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030139746A1 (en) * | 2002-01-22 | 2003-07-24 | Groiso Jorge Abel | Bone staple and methods for correcting bone deficiencies by controllably suppressing and/or inducing the growth of the epiphyseal plate |
| US20040193165A1 (en) * | 2003-03-27 | 2004-09-30 | Hand Innovations, Inc. | Anatomical distal radius fracture fixation plate and methods of using the same |
| US20050065524A1 (en) * | 2003-03-27 | 2005-03-24 | Orbay Jorge L. | Anatomical distal radius fracture fixation plate with fixed-angle K-wire holes defining a three-dimensional surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533235A (en) * | 2022-02-24 | 2022-05-27 | 中国人民解放军总医院第七医学中心 | Children epiphyseal plate damage fixing device that resets |
| CN114533235B (en) * | 2022-02-24 | 2022-12-02 | 中国人民解放军总医院第七医学中心 | Children epiphyseal plate damage fixing device that resets |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106963468B (en) | 2023-08-29 |
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