CN105640635A - Periprosthetic femoral fracture revision locking steel plate - Google Patents
Periprosthetic femoral fracture revision locking steel plate Download PDFInfo
- Publication number
- CN105640635A CN105640635A CN201610076433.4A CN201610076433A CN105640635A CN 105640635 A CN105640635 A CN 105640635A CN 201610076433 A CN201610076433 A CN 201610076433A CN 105640635 A CN105640635 A CN 105640635A
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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
-
- 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
-
- 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)
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- Heart & Thoracic Surgery (AREA)
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- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention relates to a periprosthetic femoral fracture revision locking steel plate. The periprosthetic femoral fracture revision locking steel plate is provided with a U-type body with the shape matched with that of the thighbone. The body can be made of titanium alloy or vitallium. A first contracting part is arranged at the bottom end of the body. Each of the two sides of the body extends to form two wings, and the wings comprise the first wing, the second wing, the third wing and the fourth wing. The body and the wings are provided with a plurality of nail holes. The near end of a fracture can be fixed at multiple angles, the width of the steel plate does not need to be increased, and the screw bonding force, and the bending resisting force and rotating resisting capacity of the steel plate are all higher than those of any former fixing material. By means of locking design, blood supply damage caused by the fact that a steel plate is too closely attached to the bone face and the periosteum and soft tissue are excessively stripped can be avoided. The force arm of the steel plate is long, and by means of dispersed fixing, steel plate breakage caused by stress concentration or bone ununion caused by stress shielding can be avoided. The minimally invasive percutaneous steel plate internal fixing technology is used in cooperation, and therefore soft tissue injuries can be further reduced.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly to overhauling locking steel plate after a kind of periprosthetic femoral fracture after hip replacement.
Background technology
Except Periprosthetic Fracture After Total Hip Arthroplasty can adopt non-operative treatment except part VancouverA type, all the other typings all should operative treatment. 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 also aided with steel plate fixation with steel wire etc. Conventional steel plate screw is due to the existence of prosthese, and proximal screw is difficult to through prosthese, so being only capable of fixing side cortical bone, or because RBM is poor, osteoporosis, screw closely can not be engaged with bone, making fracture fixation insecure, patient does not just reach the purpose of early ambulant yet. Simple steel wire or wirerope cerclage are fixing is relatively succinct effective fixing means to long oblique or spiral fracture, but due to the fixing intensity of this type of fixing material shortage, and fixed effect of its independent application is poor, so being all that the two is used in combination clinically. He Jianfei etc. report this unit and use steel plate and titanium cable to be united and applied in the experience of hip replacement Periprosthetic fracture. Steel plate titanium cable fixed system forms by steel plate with by the titanium cable of steel plate passage, in conjunction with os integumentale screw resected femur near-end Periprosthetic fracture. Bone cement set is neither caused damage by this kind of fixed system, does not also require local quality and holds the space of screw, and steel plate covers prosthesis tip, it is possible to avoid the occurrence of area of stress concentration. But the titanium cable of this system to pass through steel plate passage, and this local strength being likely to result in steel plate weakens. And, titanium cable simply plays the effect of tying up, and helps little to anti-rotation and bending resistance.
Mennen steel plate is a kind of semi-circular clamp type steel plate of the eighties of last century appearance nineties, starts the fracture being designed to treat little and medium long bone most, receives good effect, be also used to Periprosthetic Fracture After Total Hip Arthroplasty within a period of time. But Mennen steel plate is poor because of its bed knife, warping resistance anti-rotation performance is poor, and mortality is higher.Ahuja etc. report one group of case using the treatment of Mennen steel plate, and Follow-up After 75% develops complications, wherein mainly fracture Varus deformity healing. The report 36 example near end of thighbone Periprosthetic fracture such as Noorda uses Mennen doughnut-shaped steel plate to fix, and Follow-up After has 28% nonunion for 27 months, 22% Plate break. Based on all bad results, this kind of steel plate now less application.
For comminuted or spiral fracture applying shape memory sawtooth armlet clasping spine, can be considered a kind of fixing means preferably. Shape memory girdle device has the advantage that (1) elastic modelling quantity is low, bone stress is blocked little, is conducive to the reconstruction of union of fracture later stage callus; (2) fracture end rotation displacement can be prevented, eliminate broken ends of fractured bone shearing force and twisting resistance; (3) pulp cavity and perimyelis blood is little for interference. For Periprosthetic Fracture After Total Hip Arthroplasty, although girdle device avoids the steel plate screw damage to bone structure and prosthese-interface bone and bonecement and bone cement shell, however it is necessary that sufficiently large contact area is to remain fixing firm, and the destruction of this damage that certainly will increase soft tissue and periosteum blood confession. And, the selection of model is extremely important, and excessive fracture site is unstable, too small cannot correctly encircle near end of thighbone.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to: provide a kind of Periprosthetic Fracture After Total Hip Arthroplasty to overhaul locking steel plate, it both can effectively fix periprosthetic femoral fracture after hip replacement for one, can reduce again blood fortune and destroy, it is to avoid that again performs the operation overhauls locking steel plate.
For achieving 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, there is the U-shaped main body matched with femur shape, the bottom of described main body has a contraction flow region, and the both sides of described main body are respectively extended with two flanks, respectively the first flank, the second flank, the 3rd flank and the 4th flank; Described main body and flank are provided with some nail.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and described first flank and the second flank are positioned at the top of main body and are respectively used to fixing trochiterian front and back, and before the 3rd flank resected femur, the 4th flank fixes lesser trochanter.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and described first flank has a nail, and described second flank has two nail, and the main body between described first flank and the second flank is provided with two nail.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the diameter of described nail is 5.0mm, by the nail on flank, femur is carried out mono cortex by the lock screw matched with nail diameter and fixes, it is not necessary to drills through femoral prosthesis.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the material of described lock screw is identical with main body, and described lock screw presets different size as required.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the length of described main body is 20��25cm, and in described main body, the distance between each nail is 25.0mm.
Described Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, and the material of described main body and lock screw is titanium alloy or vitallium.
Compared with prior art, adopt it is an advantage of the current invention that of technique scheme: 1, the present invention multiple angles can fix fracture near-end, without increasing steel plate width, the counter-bending power of screw hold, steel plate, anti-rotation performance are all better than conventional any fixing material. 2, locking designs and can avoid excessively pressing close to due to steel plate surface of bone and the blood fortune that excessively stripping periosteum and soft tissue cause to destroy.3, the arm of force of the present invention is longer, and dispersion is fixing can avoid stress to concentrate the bone does not connect that the steel plate caused fractures and stress shielding causes. 4, in conjunction with MIPPO (fixing in Microinvasive Percutaneous Steel Plate) technology, it is possible to reduce soft tissue injury further.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of the present invention;
Fig. 3 is the right TV structure schematic diagram of the present invention;
Fig. 4 is the perspective view of the present invention;
Fig. 5 is the structural representation that the present invention is applied on femur.
Description of reference numerals: 1-main body; 2-contraction flow region; 3-the first flank; 4-the second flank; 5-the 3rd flank; 6-the 4th flank; 7-nail; 8-femur; 81-greater trochanter.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings further describe the present invention, advantages of the present invention and feature will be with describe and apparent.
As shown in Figures 1 to 4, the structural representation of locking steel plate is overhauled for a kind of Periprosthetic Fracture After Total Hip Arthroplasty of the present invention, have and the main body 1 of femur 8 (the adult's left femur for height 170cm) mating shapes, the material of described main body 1 is titanium alloy or vitallium, described main body 1 U-shaped (as shown in Figure 3) is also fixed on the outside of femur 8, the length of described main body is 20��25cm, described main body 1 has two ends, its bottom is a contraction flow region 2, it is therefore intended that alleviate the weight of main body 1. Main body 1 elastic modelling quantity of the present invention is low, bone stress is blocked little, is conducive to the reconstruction of union of fracture later stage callus.
And the innovative point of the present invention is in that, the two lateral U-shape structure opening directions on the top of described main body 1 are respectively extended with two flanks, namely have four flanks, and described flank can prevent fracture end rotation displacement, eliminate broken ends of fractured bone shearing force and twisting resistance.
Described flank is the first flank the 3, second flank the 4, the 3rd flank 5 and the 4th flank 6 respectively; Wherein, as shown in Figure 5, described first flank 3 and the second flank 4 are positioned at the top of main body 1, described first flank 3 is for fixing the front of greater trochanter 81, described second flank 4 is for fixing the rear of greater trochanter 81,3rd flank 5 is fixed on before femur 8, and the 4th flank is positioned at lesser trochanter place for fixing lesser trochanter (not shown). The width of described first flank 3 is more than the width of the second flank 4.
Again as shown in Figures 1 to 5, described main body 1 and described each flank are provided with some nail 7, and the diameter of each nail 7 is 5.0mm, wherein, described first flank 3 has a nail 8, having two nail 7 on described second flank 4, the main body between described first flank 3 and the second flank 4 is provided with two nail 7. In described main body 1, the distance between each nail 7 is 25.0mm. By the nail 7 on flank, femur 8 is carried out mono cortex by the lock screw matched with nail 7 diameter to fix, therefore without drilling through femoral prosthesis. Described lock screw (not shown) is identical with the material of main body 1, and for titanium alloy or vitallium, described lock screw presets different length specifications as required.
Therefore, in sum, the present invention have the advantage that into:
1, the present invention multiple angles can fix fracture near-end, it is not necessary to increasing steel plate width, the counter-bending power of screw hold, steel plate, anti-rotation performance are all better than conventional any fixing material. 2, locking designs and can avoid excessively pressing close to due to steel plate surface of bone and the blood fortune that excessively stripping periosteum and soft tissue cause to destroy. 3, the arm of force of the present invention is longer, and dispersion is fixing can avoid stress to concentrate the bone does not connect that the steel plate caused fractures and stress shielding causes.4, in conjunction with MIPPO (fixing in Microinvasive Percutaneous Steel Plate) technology, it is possible to reduce soft tissue injury further.
Description above and embodiment are only exemplary, the scope of the present invention are not constituted any restriction. It will be understood by those skilled in the art that and the details of technical solution of the present invention and form can be modified or replace lower without departing from the spirit and scope of the present invention, but these amendments and replacement each fall within protection scope of the present invention.
Claims (7)
1. a Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate, it is characterized in that, there is the U-shaped main body matched with femur shape, the bottom of described main body has a contraction flow region, the both sides of described main body are respectively extended with two flanks, respectively the first flank, the second flank, the 3rd flank and the 4th flank; Described main body and flank are provided with some nail.
2. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, it is characterized in that, described first flank and the second flank are positioned at the top of main body and are respectively used to fixing trochiterian front and back, and before the 3rd flank resected femur, the 4th flank fixes lesser trochanter.
3. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, it is characterized in that, having a nail on described first flank, described second flank has two nail, the main body between described first flank and the second flank is provided with two nail.
4. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, it is characterized in that, the diameter of described nail is 5.0mm, by the nail on flank, femur is carried out mono cortex by the lock screw matched with nail diameter and fixes, it is not necessary to drills through femoral prosthesis.
5. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 4 overhauls locking steel plate, it is characterised in that the material of described lock screw is identical with main body, and described lock screw presets different size as required.
6. Periprosthetic Fracture After Total Hip Arthroplasty according to claim 1 overhauls locking steel plate, it is characterised in that the length of described main body is 20��25cm, and in described main body, the distance between each nail is 25.0mm.
7. the Periprosthetic Fracture After Total Hip Arthroplasty according to any one of claim 1 to 6 overhauls locking steel plate, it is characterised in that the material of described main body and 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 |
|---|---|---|---|
| CN201610076433.4A CN105640635B (en) | 2016-02-03 | 2016-02-03 | A kind of Periprosthetic Fracture After Total Hip Arthroplasty overhauls locking steel plate |
Publications (2)
| Publication Number | Publication Date |
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| CN105640635A true CN105640635A (en) | 2016-06-08 |
| CN105640635B CN105640635B (en) | 2018-08-31 |
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| CN201610076433.4A Expired - Fee Related 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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Cited By (11)
| 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 |
| 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 |
| JP2019533507A (en) * | 2016-10-18 | 2019-11-21 | 華 陳 | Wing-type angle steel plate and diaphysis fixing system |
| US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11654275B2 (en) | 2019-07-22 | 2023-05-23 | 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 |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| US12102815B2 (en) | 2019-09-25 | 2024-10-01 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible pump housings |
| US12121713B2 (en) | 2019-09-25 | 2024-10-22 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible blood conduits |
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Cited By (14)
| 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 |
| JP2019533507A (en) * | 2016-10-18 | 2019-11-21 | 華 陳 | Wing-type angle steel plate and diaphysis fixing 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 |
| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11717670B2 (en) | 2017-06-07 | 2023-08-08 | Shifamed Holdings, LLP | Intravascular fluid movement devices, systems, and methods of use |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11229784B2 (en) | 2018-02-01 | 2022-01-25 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US12076545B2 (en) | 2018-02-01 | 2024-09-03 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| US11654275B2 (en) | 2019-07-22 | 2023-05-23 | 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 |
| US12102815B2 (en) | 2019-09-25 | 2024-10-01 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible pump housings |
| US12121713B2 (en) | 2019-09-25 | 2024-10-22 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible blood conduits |
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| CN105640635B (en) | 2018-08-31 |
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