CN106667561A - Dynamic hip device for femoral intertrochanteric fracture minimally invasive surgery - Google Patents
Dynamic hip device for femoral intertrochanteric fracture minimally invasive surgery Download PDFInfo
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- CN106667561A CN106667561A CN201510758360.2A CN201510758360A CN106667561A CN 106667561 A CN106667561 A CN 106667561A CN 201510758360 A CN201510758360 A CN 201510758360A CN 106667561 A CN106667561 A CN 106667561A
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- steel plate
- sliding
- screw
- drill jig
- sleeve
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- 238000002324 minimally invasive surgery Methods 0.000 title claims description 9
- 206010020100 Hip fracture Diseases 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 210000001624 hip Anatomy 0.000 claims description 28
- 210000000689 upper leg Anatomy 0.000 claims description 10
- 208000010392 Bone Fractures Diseases 0.000 description 18
- 206010017076 Fracture Diseases 0.000 description 18
- 238000001356 surgical procedure Methods 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 5
- 208000026137 Soft tissue injury Diseases 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 210000000527 greater trochanter Anatomy 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 108010048734 sclerotin Proteins 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
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- 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)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to the field of medical devices, in particular to a dynamic hip device for a femoral intertrochanteric fracture minimally invasive surgery. The dynamic hip device comprises a sliding screw, a sliding steel plate and a compression screw. The sliding steel plate is provided with a sleeve, and the sliding screw penetrates the sleeve to be fixedly connected with the compression screw. The dynamic hip device further comprises a drill jig handle, and the drill jig handle is detachably connected with one end of the sleeve of the sliding steel plate. Compared with the prior art, the dynamic hip device is applied to the femoral intertrochanteric fracture minimally invasive surgery, the operation is simpler and faster, the positioning is accurate, the length of an incision is greatly reduced compared with when an original wide exposure mode is adopted, the soft tissue injury is small, the bleeding is less, the operation speed is quick, and the operation risk is reduced.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of dynamic coxa device for intertrochanter fracture of femur Minimally Invasive Surgery.
Background technology
Intertrochanter fracture of femur is referred to by fracture more than base of nebk ot femur to little tuberosity level, is one of common fracture of the elderly.At present the conventional method for the treatment of intertrochanter fracture of femur is to insert dynamic hip screw（DHS）Fixing device, dynamic hip screw（DHS）Developed by slip forcing screw, slip forcing screw refers mainly to the pressurization hip screw with Richard nails as representative.The nail has pressurization and slip dual-use function, it is allowed to which near-end comminuted fracture piece compresses, and fracture end is drawn close automatically and is stablized, can early ambulant and heavy burden.Dynamic hip screw（DHS）It is made up of the sliding steel plate with sleeve, the threaded sliding screw of head and forcing screw three.Operating procedure can be analyzed to：The reduction of the fracture simultaneously pierces Kirschner wire；With Kirschner wire to be oriented to reaming on demand and being screwed into sliding screw；It is inserted in sliding steel plate and is screwed into forcing screw；The screw of fixed sliding steel plate is screwed into one by one.
Dynamic hip screw（DHS）Major advantage be：Fixation of the screw in femoral head is strong, even if also can effectively fix in the case of osteoporosis：The pressure of heavy burden can be directly conducted to bone by the mechanism of sliding in sleeve, rather than on inside-fixture；Reduction of the fracture panelling is kept, disunion factor is reduced, when producing fracture end with the healing of sclerotin and having absorption, sliding screw micro-shifting can be moved in sleeve, promote fracture preferably healing.It has the disadvantage that operative incision is big, needs fully exposure fracture site to install the nail board device, therefore amount of bleeding is big, soft tissue injury weight, operating time are longer and more easy infection etc..
The content of the invention
It is an object of the invention to provide a kind of dynamic coxa device for intertrochanter fracture of femur Minimally Invasive Surgery, the characteristics of overcoming existing DHS inconvenience to carry out Minimally Invasive Surgery, solve otch during femoral intertrochanteric fracture with operation it is big, amount of bleeding is more, soft tissue injury is heavy, inconvenient operation the problems such as.
In order to realize above-mentioned purpose, adopt the following technical scheme that：A kind of dynamic coxa device for intertrochanter fracture of femur Minimally Invasive Surgery, including sliding screw, sliding steel plate and forcing screw, the sliding steel plate is provided with sleeve, the sliding screw is connected through sleeve with forcing screw, the dynamic coxa device also includes drill jig handle, and the drill jig handle is detachably connected with sleeve one end of sliding steel plate.Drill jig handle is installed on dynamic coxa device, in surgical procedure, handle can be hold sliding steel plate diagonal is inserted into operative incision, sliding steel plate angles and positions are adjusted by drill jig handle so as to press close to femoral shaft.
Further, fixing screw hole is provided with the sliding steel plate, pilot hole corresponding with fixing screw hole is provided with the drill jig handle.By pilot hole, soft tissue can not be extensively cut, it is not necessary to fixing screws are screwed into by looking at fixing screw hole straight, reduce operation wound.
Further, the pilot hole adopts drill jig sleeve.Pilot hole is arranged bigger, embedded drill jig sleeve cylinder and guide fixing screws, fixing screws can be guided to be inserted perpendicularly into, prevent its oblique cutting from entering, and long-time using after abrasion can a replacing drill jig sleeve be unlikely to scrap whole drill jig handle.
Further, the drill jig handle end is provided with operating handle.The shape of operating handle is not limited to a kind of shape, and drill jig handle end is provided with operating handle, in surgical procedure, operates convenient.
Further, the sleeve-shaped of the sliding steel plate is shaped as corresponding multiaspect prism with sliding screw bar portion.Current dynamic hip screw is 2 groups of opposite side forms, tangent plane is generally drum-like shape, when sliding steel plate is inserted in sliding screw, the angle of sleeve and sliding screw is have to simultaneously control, with sliding steel plate and the angle of femoral shaft, it is easy to sliding steel plate and sliding screw tangent plane misalignment occur, operation is inconvenient, the form of multigroup opposite side such as multiaspect prism is changed to, the difficulty that sliding steel plate is inserted in sliding screw is greatly reduced.
Further, the multiaspect prism is 4-12 faces prism.
Further, the drill jig handle is provided with stress bank, and stress bank can be one or some, in surgical procedure, for tapping stress, makes sliding steel plate smoothly be inserted in sliding screw.
Further, the sliding steel plate is set to step screens with being detachably connected for drill jig handle, snaps in rear attachment screw and fixes.In operative process, need quick and install drill jig handle securely, fixed using step screens and screw, can dismount rapidly, and firmly install.
By said apparatus, operative incision need to only be provided and allow sliding steel plate diagonal to insert otch, and soft tissue injury is little, and bleeding is few.Concrete operations are described below：
S1 operative incisions, sliding screw is inserted in as optimum to allow sliding steel plate diagonal to insert otch and can align enough；
S2 installs sliding screw, the reduction of the fracture simultaneously pierces Kirschner wire at femoral greater trochanter, with Kirschner wire to be oriented to reaming on demand and being screwed into sliding screw, sliding steel plate and the drill jig handle are connected in advance, hold drill jig handle and sliding steel plate diagonal is inserted into above-mentioned otch, sliding steel plate angles and positions are adjusted by operating handle to align sliding screw and be inserted in thereon, if desired tap and firmly adjust, can tap by stress bank and exert oneself；
S3 pulls down drill jig handle, presents sliding screw rear end screwed hole, is screwed into forcing screw, completes the connection of sliding steel plate, sliding screw and forcing screw three；
S4 installs again drill jig handle, holds operating handle and fixes and guide drilling according to the drill jig sleeve of drill jig handle, is screwed into correspondingly sized fixing screws, and sliding steel plate is fixed in femoral shaft, pulls down drill jig handle, sews up the incision, and completes essential surgical technique.
The design sliding steel plate includes general steel plate and locking steel plate, and the screw of fixed sliding steel plate includes os integumentale screw and lock screw.
Compared with prior art, in applying the invention to intertrochanter fracture of femur Minimally Invasive Surgery, operate simpler quick, accurate positioning, otch substantially reduces length than original extensively exposed mode, and soft tissue injury is little, bleeding is few, and service speed is fast, and operation risk is reduced.
Description of the drawings
1 is the schematic diagram of the dynamic hip screw sheet steel sections of the present invention；
Fig. 2 is dynamic coxa schematic device of the present invention；
Fig. 3 is the profile of dynamic hip screw cross section A-A；
Fig. 4 is the generalized section using the present invention during femoral intertrochanteric fracture with operation.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
As shown in Figure 1, a kind of dynamic coxa device for intertrochanter fracture of femur Minimally Invasive Surgery, existing dynamic coxa device mainly includes sliding screw 1, sliding steel plate 2 and forcing screw 3, sliding steel plate 2 includes sleeve and fixation steel plate, there are some fixing screw holes 4 on fixation steel plate, sliding screw 1 can pass through the sleeve of sliding steel plate 2 to be connected with forcing screw 3, and being typically based on the difference of operation needs to select different models and size.As shown in Figure 2 and Figure 4, dynamic coxa device of the present invention also includes drill jig handle 6, there is screwed hole 51 on sliding steel plate 2, there is connecting hole 52 on drill jig handle 6, drill jig handle 6 adopts step screens with sliding steel plate 2, is connected by screwed hole 51 and connecting hole 52 after snapping in, and can load and unload repeatedly.Drill jig handle 6 has pilot hole 71 above, and pilot hole 71 is corresponding with the fixing screw hole 4 of sliding steel plate 2, and fixing screws 10 are screwed into for guiding in the case of non-direct-view.Pilot hole 71 uses drill jig sleeve 72, can change and use, and for preventing the oblique cutting of fixing screws 10.Drill jig handle 6 is provided with stress bank 9 above, when 2 angles and positions of sliding steel plate are adjusted, can be used to tap, and makes the sleeve of sliding steel plate 2 smoothly be inserted in sliding screw 1.The end of drill jig handle 6 is provided with operating handle 8, in surgical procedure, hand-holdable operating handle 8.
In addition, as shown in figure 3, the sleeve-shaped of sliding steel plate 2 is shaped as corresponding multiaspect prism, preferably 6 face prisms or 8 face prisms with the bar portion of sliding screw 1.Using multiaspect prism, after sliding screw 1 is tightened, sliding steel plate 2 convenient can be inserted in.
Using the dynamic coxa device of the present invention, without the need for extensively exposure soft tissue, operative incision is little, only needs diagonal that sliding steel plate 2 is inserted into otch, reduces the risk of amount of bleeding and postoperative infection.Concrete operations are described below：
S1 operative incisions, sliding screw 1 is inserted in as optimum to allow the diagonal of sliding steel plate 2 to insert otch and can align enough；
S2 installs sliding screw 2, the reduction of the fracture simultaneously pierces Kirschner wire at femoral greater trochanter, with Kirschner wire to be oriented to reaming on demand and being screwed into sliding screw 1, sliding steel plate 2 and drill jig handle 6 are connected in advance, are hold drill jig handle 6 and the diagonal of sliding steel plate 2 is inserted into above-mentioned otch, the angles and positions of sliding steel plate 2 are adjusted by operating handle 8, make sleeve contraposition sliding screw 1 and be inserted in thereon, if desired tap, can tap by stress bank 9 and exert oneself, make the sleeve of sliding steel plate 2 be inserted in sliding screw 1；
S3 pulls down drill jig handle 6, presents the rear end screwed hole of sliding screw 1, is screwed into forcing screw 3, completes the connection of sliding steel plate 2, sliding screw 1 and the three of forcing screw 3；
S4 installs again drill jig handle 6, holds operating handle 8 and fixes and guide drilling according to the pilot hole 71 on drill jig handle 6, is screwed into correspondingly sized fixing screws 10, sliding steel plate 2 is fixed in femoral shaft, drill jig handle 6 is pulled down, is sewed up the incision, complete essential surgical technique.
Claims (8)
1. a kind of dynamic coxa device for intertrochanter fracture of femur Minimally Invasive Surgery, including sliding screw, sliding steel plate and forcing screw, the sliding steel plate is provided with sleeve, the sliding screw is connected through sleeve with forcing screw, it is characterized in that, the dynamic coxa device also includes drill jig handle, and the drill jig handle is detachably connected with sleeve one end of sliding steel plate.
2. dynamic coxa device according to claim 1, it is characterised in that fixing screw hole is provided with the sliding steel plate, pilot hole corresponding with fixing screw hole is provided with the drill jig handle.
3. dynamic coxa device according to claim 2, it is characterised in that the pilot hole adopts drill jig sleeve.
4. the dynamic coxa device according to claim 1-3, it is characterised in that the drill jig handle end is provided with operating handle.
5. dynamic coxa device according to claim 1, it is characterised in that the sleeve-shaped of the sliding steel plate is shaped as corresponding multiaspect prism with sliding screw bar portion.
6. dynamic coxa device according to claim 5, it is characterised in that the multiaspect prism is 4-12 faces prism.
7. dynamic coxa device according to claim 1, it is characterised in that the drill jig handle is provided with stress bank.
8. dynamic coxa device according to claim 1, it is characterised in that the sliding steel plate is set to step screens with being detachably connected for drill jig handle, snaps in rear attachment screw and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758360.2A CN106667561A (en) | 2015-11-10 | 2015-11-10 | Dynamic hip device for femoral intertrochanteric fracture minimally invasive surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758360.2A CN106667561A (en) | 2015-11-10 | 2015-11-10 | Dynamic hip device for femoral intertrochanteric fracture minimally invasive surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106667561A true CN106667561A (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510758360.2A Pending CN106667561A (en) | 2015-11-10 | 2015-11-10 | Dynamic hip device for femoral intertrochanteric fracture minimally invasive surgery |
Country Status (1)
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| CN (1) | CN106667561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171917A (en) * | 2018-06-15 | 2019-01-11 | 河北医科大学第三医院 | A kind of fixed device of the bone block of proximal humeral comminuted |
| CN114041864A (en) * | 2021-11-20 | 2022-02-15 | 南京医科大学康达学院 | Fracture internal fixation device with locking and fastening structure |
| CN114681034A (en) * | 2022-03-02 | 2022-07-01 | 宜兴市善卷骨科医院 | Special fixed steel plate for greater tuberosity fracture of humerus |
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| CN2512395Y (en) * | 2001-12-21 | 2002-09-25 | 刘志刚 | Double motive force screw humerus steel plate |
| CN2565411Y (en) * | 2002-09-09 | 2003-08-13 | 刘成招 | Fixed device for femoral intertro-chanter fraction parts |
| WO2005096977A1 (en) * | 2004-04-12 | 2005-10-20 | Navin Thakkar | An implant assembly for proximal femoral fracture |
| CN2792427Y (en) * | 2005-05-08 | 2006-07-05 | 孔建中 | Minimally invasive dynamic coxa steel plate |
| CN200998304Y (en) * | 2007-01-22 | 2008-01-02 | 王天旭 | Locking dynamic hip joint screw nail |
| CN201040013Y (en) * | 2006-11-09 | 2008-03-26 | 李涛 | Active sleeve power coxa screw nail |
| CN102355863A (en) * | 2009-01-16 | 2012-02-15 | 卡波菲克斯整形有限公司 | Composite material bone implant |
| CN202235652U (en) * | 2011-10-12 | 2012-05-30 | 常州迪恩医疗器械有限公司 | Locking bone fracture plate system with aiming device |
| CN204192731U (en) * | 2014-05-26 | 2015-03-11 | 上海市浦东新区周浦医院 | A kind of minimally-invasive treatment radius far-end fracture percutaneous inserts steel plate body and aims at holder outward |
-
2015
- 2015-11-10 CN CN201510758360.2A patent/CN106667561A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999035989A1 (en) * | 1998-01-19 | 1999-07-22 | Hans Habernek | Universally applicable intramedullary nail and target device pertaining thereto |
| CN2512395Y (en) * | 2001-12-21 | 2002-09-25 | 刘志刚 | Double motive force screw humerus steel plate |
| CN2565411Y (en) * | 2002-09-09 | 2003-08-13 | 刘成招 | Fixed device for femoral intertro-chanter fraction parts |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171917A (en) * | 2018-06-15 | 2019-01-11 | 河北医科大学第三医院 | A kind of fixed device of the bone block of proximal humeral comminuted |
| CN109171917B (en) * | 2018-06-15 | 2020-06-26 | 河北医科大学第三医院 | Bone fragment fixation device for comminuted fracture of proximal humerus |
| CN114041864A (en) * | 2021-11-20 | 2022-02-15 | 南京医科大学康达学院 | Fracture internal fixation device with locking and fastening structure |
| CN114041864B (en) * | 2021-11-20 | 2023-01-20 | 南京医科大学康达学院 | Fracture internal fixation device with locking and fastening structure |
| CN114681034A (en) * | 2022-03-02 | 2022-07-01 | 宜兴市善卷骨科医院 | Special fixed steel plate for greater tuberosity fracture of humerus |
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Application publication date: 20170517 |