CN105640635B - A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate - Google Patents
A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate Download PDFInfo
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- CN105640635B CN105640635B CN201610076433.4A CN201610076433A CN105640635B CN 105640635 B CN105640635 B CN 105640635B CN 201610076433 A CN201610076433 A CN 201610076433A CN 105640635 B CN105640635 B CN 105640635B
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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
- A61B17/8061—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
- A61B17/8066—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 for pelvic reconstruction
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
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- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of Periprosthetic Fracture After Total Hip Arthroplasties to overhaul locking steel plate, has the U-shaped main body to match with femur shape.The material of the main body can be titanium alloy or vitallium；The bottom end of the main body has a contraction flow region；Respectively there are two flank, respectively the first flank, the second flank, third flank and the 4th flanks for extension for the both sides of the main body；The main body and flank are equipped with several nail hole.The present invention can fix fracture proximal end with multiple angles, and without increasing steel plate width, the counter-bending power of screw hold, steel plate, anti-rotation performance are better than previous any fixed material；Locking design can blood supply damage caused by avoid excessively periosteum and soft tissue is removed close to bone face and excessively due to steel plate；The present invention the arm of force it is longer, dispersion fixation can fracture to avoid steel plate caused by stress concentration or stress shielding caused by bone nonunion；In conjunction with Microinvasive Percutaneous Steel Plate Internal fixation technology, soft tissue injury can be further reduced.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to after a kind of Replacement of Hip Joint around femoral prosthesis
Locking steel plate is overhauled after fracture.
Background technology
For Periprosthetic Fracture After Total Hip Arthroplasty in addition to non-operative treatment can be used in part Vancouver A types, remaining parting should all hand
Art is treated.Common operation method has common steel plate screw to fix, and simple steel wire or titanium cable cerclage are fixed, and allogenic bone transplantation is simultaneously
It is aided with steel plate fixation with steel wire etc..Conventional steel plate screw is due to the presence of prosthese, and proximal screw is difficult to across prosthese, so being only capable of
Fixed side cortex of bone, or because local bone mass is poor, osteoporosis, screw cannot be closely engaged with bone so that fracture fixation is not
Securely, the purpose of early ambulant is also just not achieved in patient.Simple steel wire or wirerope cerclage fix or spiral fracture oblique to length
It is comparison succinctly effective fixing means, but due to such fixed material shortage fixing intensity, the fixed effect being used alone
It is poor, so being all clinically that the two is used in combination.He Jianfei etc. is reported the unit and is united and applied in using steel plate and titanium cable
The experience of hip replacement Periprosthetic fracture.Steel plate titanium cable fixed system is by steel plate and passes through the titanium cable group in steel plate channel
At in conjunction with os integumentale screw resected femur proximal end Periprosthetic fracture.Such fixed system neither damages bone cement set,
Local quality is not required and accommodates the space of screw, and steel plate covers prosthesis tip, can avoid the occurrence of area of stress concentration yet.But it should
The titanium cable of system will be by steel plate channel, this may cause the local strength of steel plate to weaken.Moreover, titanium cable, which only plays, ties up work
With helping anti-rotation and bending resistance little.
Mennen steel plates are a kind of semi-circular clamp type steel plates to come out the last century 90's, most start to be designed to
The fracture for treating small and medium long bone, receives good effect, is also used for femoral prosthesis surrounding bone whithin a period of time
Folding.But Mennen steel plates, because it fixes force difference, warping resistance anti-rotation performance is poor, and mortality is higher.Ahuja etc., which reports one group, to be made
There is complication in the case treated with Mennen steel plates, Follow-up After 75%, wherein mainly fracture Varus deformity healing.
Noorda etc. reports that 36 near end of thighbone Periprosthetic fractures are fixed using Mennen doughnut-shaped steel plates, and Follow-up After has for 27 months
28% nonunion, 22% Plate break.Based on various bad as a result, the less application of this kind of steel plate.
For comminuted or spiral fracture application shape memory teethed arm locking type device, a kind of preferable fixation side can be considered
Method.Shape memory girdle device has the following advantages that：(1) elasticity modulus is low, is blocked to bone stress small, is conducive to the union later stage
The reconstruction of poroma；(2) fracture end rotation displacement can be prevented, broken ends of fractured bone shearing force and twisting resistance are eliminated；(3) to pulp cavity and perimyelis blood
It is small for interfering.For Periprosthetic Fracture After Total Hip Arthroplasty, although girdle device avoids steel plate screw to bone structure and prosthese-bone cement-
The damage of bone interface and bone cement shell, but sufficiently large contact area is needed to remain fixed firm, and this certainly will increase
The destruction of the damage and periosteum blood supply of soft tissue.Moreover, the selection of model is extremely important, excessive fracture site is unstable, mistake
It is small correctly to encircle near end of thighbone.
Invention content
In order to solve the above technical problems, it is an object of the invention to：A kind of Periprosthetic Fracture After Total Hip Arthroplasty is provided and overhauls locking
Steel plate not only can effectively fix periprosthetic femoral fracture after hip replacement to be a kind of, but also can reduce blood fortune
It destroys, avoid performing the operation again overhauls locking steel plate.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, has the U-shaped main body to match with femur shape, the master
The bottom end of body has a contraction flow region, and the both sides of the main body respectively extend there are two flank, respectively the first flank, the second flank,
Third flank and the 4th flank；The main body and flank are equipped with several nail hole.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and first flank and the second flank are located at the top of main body
End is respectively used to the front and back of fixed greater trochanter, and before third flank resected femur, the 4th flank fixes lesser trochanter.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and tool is there are one nail hole on first flank, and described the
Tool is there are two nail hole on two flanks, sets that there are two nail hole in the main body between first flank and the second flank.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, a diameter of 5.0mm of the nail hole, with nail hole diameter
The lock screw to match carries out mono cortex to femur by the nail hole on flank and fixes, without drilling through femoral prosthesis.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the material of the lock screw is identical as main body, described
Lock screw presets different size as needed.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the length of the main body is 20~25cm, the main body
The distance between upper each nail hole is 25.0mm.
The Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, the material of the main body and lock screw be titanium alloy or
Vitallium.
Compared with prior art, using above-mentioned technical proposal the advantage of the invention is that：1, the present invention can be with multiple angles
The fixed fracture proximal end of degree, without increasing steel plate width, the counter-bending power of screw hold, steel plate, anti-rotation performance are better than in the past
Any fixed material.2, locking design can excessively be caused close to bone face and excessive stripping periosteum and soft tissue to avoid due to steel plate
Blood supply damage.3, the arm of force of the invention is longer, and dispersion fixation can fracture to avoid steel plate caused by stress concentration to be hidden with stress
Bone nonunion caused by gear.4, technology (is fixed) in Microinvasive Percutaneous Steel Plate in conjunction with MIPPO, can be further reduced soft tissue injury.
Description of the drawings
Fig. 1 is the main structure diagram of the present invention；
Fig. 2 is the overlooking structure diagram of the present invention；
Fig. 3 is the right side structural representation of the present invention；
Fig. 4 is the dimensional structure diagram of the present invention；
Fig. 5 is that the present invention applies the structural schematic diagram on femur.
Reference sign：1- main bodys；2- contraction flow regions；The first flanks of 3-；The second flanks of 4-；5- third flanks；6- the 4th
Flank；7- nail hole；8- femurs；81- greater trochanters.
Specific implementation mode
The present invention is further described with reference to specific embodiments and the drawings, the advantages and features of the present invention will be with
Description and it is apparent.
As shown in Figures 1 to 4, it is that a kind of Periprosthetic Fracture After Total Hip Arthroplasty of the present invention overhauls the structural representation of locking steel plate
Figure has the main body 1 to match with femur 8 (by taking adult's left femur of height 170cm as an example) shape, the material of the main body 1
Matter is titanium alloy or vitallium, and the main body 1 is U-shaped (as shown in Figure 3) and outside that be fixed on femur 8, the main body
Length be 20~25cm, the main body 1 have both ends, bottom end be a contraction flow region 2, it is therefore intended that mitigate main body 1 weight.
1 elasticity modulus of main body of the present invention is low, is blocked to bone stress small, is conducive to the reconstruction of union later stage poroma.
And the innovation of the invention consists in that, the two lateral U-shaped structure opening directions on the top of the main body 1 are respectively extended with
Two flanks, i.e., altogether there are four flank, the flank can prevent fracture end rotation displacement, eliminate broken ends of fractured bone shearing force and torsion
Power.
The flank is respectively the first flank 3, the second flank 4, third flank 5 and the 4th flank 6；Wherein, such as Fig. 5 institutes
Show, first flank, 3 and second flank 4 is located at the top of main body 1, and first flank 3 is for before fixing greater trochanter 81
Side, second flank 4 are used to fix the rear of greater trochanter 81, and third flank 5 is fixed on before femur 8, the 4th flank position
For fixing lesser trochanter (not shown) at lesser trochanter.The width of first flank 3 is more than the width of the second flank 4.
Again as shown in Figures 1 to 5, the main body 1 and each flank are equipped with several nail hole 7, and each nail hole 7 is straight
Diameter is 5.0mm, wherein for tool there are one nail hole 8, there are two nail hole 7 for tool on second flank 4, described on first flank 3
Nail hole 7 there are two being set in main body between first flank 3 and the second flank 4.The distance between each nail hole 7 in the main body 1
For 25.0mm.Mono cortex is carried out with the lock screw to match with 7 diameter of nail hole to femur 8 by the nail hole 7 on flank to fix,
There is no need to drill through femoral prosthesis.The lock screw (not shown) is identical with the material of main body 1, is titanium alloy or cobalt chromium
Molybdenum alloy, the lock screw preset different length specifications as needed.
Therefore, in conclusion the present invention have the advantage that for：
1, the present invention can fix fracture proximal end with multiple angles, without increasing steel plate width, screw hold, steel plate bending resistance
Qu Li, anti-rotation performance are better than previous any fixed material.2, locking design can be to avoid since steel plate be excessively close to bone face
With blood supply damage caused by excessive stripping periosteum and soft tissue.3, the arm of force of the invention is longer, and dispersion fixation can be to avoid stress
Steel plate fractures and bone nonunion caused by stress shielding caused by concentrating.4, technology (is fixed) in Microinvasive Percutaneous Steel Plate in conjunction with MIPPO,
Soft tissue injury can be further reduced.
Above explanation and examples are merely exemplary, it is not intended to limit the scope of the present invention in any way.This field
Technical staff should be understood that without departing from the spirit and scope of the invention can to the details of technical solution of the present invention and
Form is modified or is replaced, but these modifications and replacement are each fallen in protection scope of the present invention.
Claims (5)
1. a kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, which is characterized in that have the U-shaped master to match with femur shape
Body, the bottom end of the main body have a contraction flow region, and the both sides of the main body respectively extend there are two flank, respectively the first flank,
Second flank, third flank and the 4th flank；The main body and flank are equipped with several nail hole；
The top that first flank and the second flank are located at main body is respectively used to fix the front and back of greater trochanter, third side
Before wing resected femur, the 4th flank fixes lesser trochanter；
Tool is there are one nail hole on first flank, and there are two nail hole, first flanks and second for tool on second flank
Nail hole there are two being set in main body between flank.
2. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, which is characterized in that the nail hole it is straight
Diameter is 5.0mm, and carrying out mono cortex to femur by the nail hole on flank with the lock screw to match with nail hole diameter fixes, nothing
Femoral prosthesis need to be drilled through.
3. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 2 overhauls locking steel plate, which is characterized in that the lock screw
Material it is identical as main body, the lock screw as needed preset different size.
4. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, which is characterized in that the length of the main body
It is 20~25cm to spend, and the distance between each nail hole is 25.0mm in the main body.
5. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 2 or 3 overhauls locking steel plate, which is characterized in that the main body
Material with lock screw is titanium alloy or vitallium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076433.4A CN105640635B (en) | 2016-02-03 | 2016-02-03 | A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610076433.4A CN105640635B (en) | 2016-02-03 | 2016-02-03 | A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate |
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| CN105640635A CN105640635A (en) | 2016-06-08 |
| CN105640635B true CN105640635B (en) | 2018-08-31 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037902A (en) * | 2016-07-07 | 2016-10-26 | 周健 | Proximal periprosthetic femoral fracture external fixation plate |
| US11116555B2 (en) * | 2016-10-18 | 2021-09-14 | Tianjin Zhengtian Medical Instrument Co., Ltd | Wing-shaped angle steel plate and a bone shaft fixation system |
| CN107049457A (en) * | 2017-01-19 | 2017-08-18 | 上海市第六人民医院 | A kind of capitulum of humerus locking bone fracture plate |
| CA3066361A1 (en) | 2017-06-07 | 2018-12-13 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| CN111556763B (en) | 2017-11-13 | 2023-09-01 | 施菲姆德控股有限责任公司 | Intravascular fluid movement device and system |
| EP3746149A4 (en) | 2018-02-01 | 2021-10-27 | Shifamed Holdings, LLC | Intravascular blood pumps and methods of use and manufacture |
| WO2021011473A1 (en) | 2019-07-12 | 2021-01-21 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| WO2021016372A1 (en) | 2019-07-22 | 2021-01-28 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
| US11724089B2 (en) | 2019-09-25 | 2023-08-15 | Shifamed Holdings, Llc | Intravascular blood pump systems and methods of use and control thereof |
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| US8906070B2 (en) * | 2005-10-25 | 2014-12-09 | Robert J. Medoff | Bone fixation device and method |
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| CN104720885A (en) * | 2015-04-03 | 2015-06-24 | 黄擘 | Clover titanium plate fixing structure and method of femoral intertrochanteric fracture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200951108Y (en) * | 2006-06-01 | 2007-09-26 | 黄儒收 | Femur tuberositas part steel plate |
| CN102319109A (en) * | 2011-08-28 | 2012-01-18 | 泰州市中兴医械科技有限公司 | Minimally invasive tuberositas comminuted fracture back side pressurizing type fixation bone fracture plate |
| CN203915055U (en) * | 2014-06-26 | 2014-11-05 | 伏治国 | Periprosthetic Fracture After Total Hip Arthroplasty locking device |
| CN105125274A (en) * | 2015-09-25 | 2015-12-09 | 陈继峰 | Anatomical femoral trochanter locking steel plate |
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Inventor after: Zhuang Jinpeng Inventor after: Zu Jianing Inventor after: Yan Jinglong Inventor before: Zhuang Jinpeng Inventor before: Yan Jinglong |
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Effective date of registration: 20211019 Address after: 150026 No. 20, floor 1-2, building E8, boutique commercial zone B, huanancheng modern city commercial logistics city project, Tuanjie Town, Daowai District, Harbin City, Heilongjiang Province Patentee after: Heilongjiang Gaode Medical Technology Co.,Ltd. Address before: 150081 No. 157 health Road, Nangang District, Heilongjiang, Harbin Patentee before: HARBIN MEDICAL University |
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