CN108261233A - A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool - Google Patents
A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool Download PDFInfo
- Publication number
- CN108261233A CN108261233A CN201810116595.5A CN201810116595A CN108261233A CN 108261233 A CN108261233 A CN 108261233A CN 201810116595 A CN201810116595 A CN 201810116595A CN 108261233 A CN108261233 A CN 108261233A
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- bone plate
- outside
- away
- screw
- greater trochanter
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Classifications
-
- 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
- A61B17/8052—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, 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
- A61B17/74—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
- A61B17/746—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 the longitudinal elements coupled to a plate opposite the femoral head
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
Abstract
A kind of intertrochanter fracture of femur combined splint inner fixing device, solve the defects of inner fixing device in the prior art can not provide fixation that is strong and meeting biomethanics near end of thighbone, the present apparatus is mainly additionally arranged inside away from bone plate, it is respectively placed in inside and outside femur away from bone plate and outside bone plate using inside and clamps the clamp structure of near end of thighbone, and inside is fixed away from bone plate after passing through outside bone plate pedicle screw.It is corresponding, matching used auxiliary sight tool has also been devised in the present invention, there are two gripper jaws for auxiliary sight tool tool, can be respectively used to geometrical clamp and handle inside away from bone plate and outside bone plate, and remain that bone plate corresponding screw hole in medial and lateral keeps concentric position.The present invention most advantageous effect be：The interior fixation of near end of thighbone medial and lateral absolute stability can be provided simultaneously, and shearing resistance, anti-rotation ability are strong.Its another design structure is simple, has certain versatility with existing internal fixation system section components.
Description
Technical field
The invention belongs to orthopedic medical device field, fixed dress in specifically a kind of intertrochanter fracture of femur combined splint
It puts and auxiliary sight tool.
Background technology
One of clinical common Hip Fracture of intertrochanter fracture of femur fracture, is apt to occur in the elderly, has data to show its hair
Sick rate accounts for 3 ~ 4% all to fracture.The no unified standard for the treatment of of intertrochanter fracture of femur fracture at present, exterior fixing rack, people
Work femoral head replacement and internal fixation system simultaneously deposit development, recently as sliding the continuous development of Internal fixation Pressure system and complete
It is kind, because it has pressurization and slides dual function, into the mainstream of operative treatment intertrochanter fracture of femur.LCP systems
（Locking Compresion Plate System locked pressurized bone plate systems）As a kind of internal fixation system, in femur
It needs first femur reset in intertrochanteric fracture operation and then be fixed in lateral side of femur with bone plate and screw.LCP systems are made
For internal fixation system outside unilateral marrow, existing deficiency is：Particularly in the middle and lower sections of neck of femur, there are larger at neck of femur
Stress concentration, the pressuring stress level of tensile stress and inside on the outside of neck of femur is high, has what stress was uprushed when close to surface
Phenomenon, the outer internal fixation system of marrow in single outside is smaller to the action of compressive stress for mitigating inside, solid outside the marrow of intertrochanter fracture of femur
It is big compared with Medullary fixation shearing force to determine mode, LCP systems lack preferable shearing resistance measure；LCP systems are in configurational stabilisation
Deficiency is larger to the damage of sclerotin using being made up by the way of mostly using lock screw, while influences the blood fortune of tuberosity part, extension
Recovery time.And gerontal patient is often accompanied by osteoporosis problem, fixation is not enough securely affected to the success rate of operation.
Invention content
The present invention is to solve the above problems, provide a kind of Titanic micro-plates device for meeting biomethanics structure, completely
Meet a kind of combined splint inner fixing device of intertrochanter fracture of femur and mating auxiliary sight tool.
The technical scheme is that：A kind of intertrochanter fracture of femur combined splint inner fixing device, including outer side joint
Bone plate, main lock screw, supporting screw, greater trochanter screw and distal end fixing screws, the outside bone plate turn greatly in femur
Sub- lower section is simultaneously close to near end of thighbone lateral cortex, and a group far end fixing screw hole is distributed on the bone plate of outside and one group is inclined
The main lock hole tiltedly set and supporting screw hole, the main lock screw, supporting screw, distal end fixing screws respectively with outside
Corresponding screw hole is threadedly coupled on bone plate, and the greater trochanter screw passes through greater trochanter of femur, further includes inside away from bone plate,
The inside is close to away from bone plate below femoral head and with cortex on the inside of near end of thighbone, and inside is away from having and support on bone plate
The screw hole that screw, distal end fixing screws and greater trochanter screw are adapted, the greater trochanter screw, supporting screw and distal end are fixed
The front end of screw is threadedly coupled with inside away from bone plate, is formed inside and is respectively placed in inside and outside femur away from bone plate and outside bone plate
Clamp the clamp structure of near end of thighbone in both sides.
The present invention auxiliary sight tool the technical solution adopted is that：A kind of auxiliary sight tool, including aiming at arm, outside
Bone plate gripper jaw, inside away from bone plate gripper jaw, linking arm, outside bone plate jackscrew and inside away from bone plate jackscrew, it is described
Outside bone plate gripper jaw with aim at arm be fixedly connected, one end of the linking arm is fixed with inside away from bone plate gripper jaw
Connection, the other end of linking arm are fixedly connected by bolt with aiming arm, and the outside bone plate gripper jaw and inside are away from connecing
Bone plate gripper jaw position is corresponding, and outside bone plate jackscrew is threadedly coupled with aiming at arm, and inside is away from bone plate jackscrew and linking arm
It is threadedly coupled.
The most advantageous effect of the present invention is：Above-mentioned intertrochanter fracture of femur combined splint inner fixing device has inside
Away from bone plate, below femoral head, it is close to cortex on the inside of bigelow's septum portion, inside is away from bone plate and the common structure of outside bone plate
Integralization fixator and the structure for clamping near end of thighbone, the advantage protruded compared to existing Internal fixation technology：It can provide simultaneously
The interior fixation of near end of thighbone medial and lateral absolute stability, and shearing resistance, anti-rotation ability are strong.Its another design structure is simple, and existing interior
Fixed system section components have certain versatility.Other than providing stability to femoral bone tuberosity lateral wall, emphasis is to femur
Inside so as to form fixed structure in globality biomethanics, while can simplify reset away from powerful supporting role is provided in art
It is required that and have both part apparent shearing resistance, anti-rotation ability, make internal fixation operation simpler effectively, completely securely
The present invention, which goes back Aided design, auxiliary sight tool, and auxiliary sight tool has a pair of of gripper jaw, can be appropriate according to the state of an illness
Fracture Micro-operation is carried out using special aiming arm, reduces the damage to patient.
The present invention is further described in detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Attached drawing 1 is the structure diagram of first embodiment of the invention；
Attached drawing 2 is the structure diagram of second embodiment of the invention；
Attached drawing 3 is main lock screw and the crossover location relation schematic diagram of greater trochanter screw；
Attached drawing 4 is the structure diagram of auxiliary sight tool.
Wherein, 1 outside bone plate, bone plate holds plate incisura, 1-2 grooves, 2 greater trochanters and rebuilds locking hook plate, 3 on the outside of 1-1
Main lock screw, 4 greater trochanter screws, 5 supporting screws, 6 distal end fixing screws, 7 insides are away from bone plate, 7-1 insides away from bone plate
It holds plate incisura, 8 femurs, 8-1 greater trochanters, 8-2 near end of thighbone, 8-3 femorals head, 9-1 and aims at the outer side joint of arm, 9-2 linking arms, 9-3
Away from bone plate jackscrew, 9-6 bolts on the outside of bone plate gripper jaw, 9-5 on the inside of bone plate gripper jaw, 9-4.
Specific embodiment
Embodiment 1：As shown in Figure 1, a kind of intertrochanter fracture of femur combined splint inner fixing device, including outer side joint
Bone plate 1, inside are away from bone plate 7, main lock screw 3, supporting screw 5, greater trochanter screw 4 and distal end fixing screws 6, outside synthetism
Plate 1 is close to below greater trochanter of femur 8-1 and near end of thighbone 8-2 lateral cortex, and a group far end is distributed on outside bone plate 1
Fixing screw hole and one group of main lock hole being obliquely installed and supporting screw hole, the main lock screw 3,5 and of supporting screw
Screw hole corresponding on the bone plate of outside is threadedly coupled distal end fixing screws 6 respectively, and the greater trochanter screw 4 passes through femur big
Rotor 8-1, the inside are close to away from bone plate 7 below femoral head 8-3 and with cortex on the inside of near end of thighbone 8-2, inside away from
There are the screw hole being adapted with supporting screw 5, distal end fixing screws 6 and greater trochanter screw 4, the greater trochanter spiral shell on bone plate 7
Nail 4, supporting screw 5 and distal end fixing screws 6 front end be threadedly coupled with inside away from bone plate 7, form on the outside of bone plate 1 and interior
Side is respectively placed in the clamp structure that near end of thighbone 8-2 is clamped inside and outside femur 8 away from bone plate 7.Inside uses titanium away from bone plate 7
Matter 3.5mm Anatomical Reconstruction bones plate, screw hole number can be 4 holes or 5 holes, and shape matches with lesser trochanter of femur cortex, belongs to non-
Regular anatomical form differential of the arc bone plate.
Embodiment 2：Referring to attached drawing 2, compared with Example 1, more greater trochanters rebuild locking hook plate 2, the greater trochanter
It rebuilds locking hook plate 2 and is equipped with one group of screw hole, greater trochanter is rebuild locking hook plate 2 and is covered on greater trochanter 8-1, the outer side joint
1 upper end of bone plate is equipped with groove 1-2, and greater trochanter is rebuild 2 lower end of locking hook plate and is embedded in the 1 groove 1-2 of bone plate of outside, the master
3 rear end of lock screw and outside bone plate 1 and greater trochanter are rebuild locking hook plate 2 and are threadedly coupled, 4 rear end of greater trochanter screw with
Greater trochanter is rebuild locking hook plate 2 and is threadedly coupled.Greater trochanter rebuilds locking hook plate 2 and is used as optional component, fractures according to patient is practical
Situation decides whether to select.
In the present embodiment, further, the main lock screw 3 is two, and the rear end of two main lock screws 3 is same
On horizontal line, the greater trochanter screw 4 is between two main lock screws 3.
In the present embodiment, further, the crosspoint of the main lock screw 3 and the greater trochanter screw 4 is in ward tri-
Angular region.It should be noted that two main lock screws 3 and greater trochanter screw 4 not in contact with.
In the present embodiment, further, the front end of the main lock screw 3 is symmetrical towards two main lock screws 3
The poly- heart biasing in face.The front end of main lock screw 3 is had using micro- poly- heart design, micro- poly- heart for the front end of main lock screw 3
The trend drawn close, two main lock screws 3 have certain angle, meet the holding of neck of femur anatomical structure and increase to sclerotin
Power, anti-retaining nail.
Embodiment 3
Referring to attached drawing 4, a kind of auxiliary sight tool, including aiming at arm 9-1, outside bone plate gripper jaw 9-3, inside away from bone plate
Gripper jaw 9-4, linking arm 9-2, outside bone plate jackscrew 9-5 and inside are away from bone plate jackscrew, the outside bone plate clamping
Pawl 9-3 is fixedly connected with aiming at arm 9-1, and one end of the linking arm 9-2 is fixed with inside away from bone plate gripper jaw 9-4 to be connected
It connects, the other end of linking arm 9-2 is fixedly connected by bolt 9-6 with aiming at arm 9-1, the outside bone plate gripper jaw 9-3
Corresponding away from bone plate gripper jaw 9-4 positions with inside, outside bone plate jackscrew 9-5 is threadedly coupled with aiming at arm 9-1, inside
It is threadedly coupled away from bone plate jackscrew with linking arm 9-2.
Outside bone plate gripper jaw 9-3 and inside are fixed together, and position is opposite away from bone plate gripper jaw 9-4, when two
When a pawl clamps outside bone plate 1 and inside away from bone plate 7 respectively, arm away from bone plate 7 and is aimed in outside bone plate 1, inside
Screwhole position on 9-1 keeps corresponding to.
Further, the front end area that bone plate gripper jaw 9-3 is surrounded on the outside of the outside bone plate jackscrew 9-5
In, in the section that the front end of the inside away from bone plate jackscrew is surrounded in inside away from bone plate gripper jaw 9-4.
In actual work, outside bone plate gripper jaw 9-3 catches the outside bone plate on the bone plate 1 of outside to hold plate incisura 1-
1, in the present embodiment, outside bone plate gripper jaw 9-3 selects four paws or the design of five pawls, is required to each one outside bone plate of correspondence
Plate incisura 1-1 is held, then outside bone plate 1 is irremovable on its length direction and width direction, tightens outside bone plate jackscrew
9-5, outside bone plate jackscrew 9-5 withstand outside bone plate 1, and outside bone plate 1 is also irremovable in the thickness direction thereof at this time,
Complete the fixation of external side joint bone plate 1.Inside in the same way, can clamp inside away from synthetism away from bone plate gripper jaw 9-4
Due to visual angle, inside is not shown away from bone plate jackscrew in plate 7 in attached drawing 4.
During specific operation：Patient's dorsal position after general anaesthesia success, takes operative approach on the outside of near end of thighbone, fully exposes bone
The broken ends of fractured bone resets after rolling over end, and blunt separation stock proximal end surrounding soft tissue, is routine operation above；First it is about to inside away from bone plate 7
Inside hold plate incisura 7-1 away from bone plate and be connected with the inside on linking arm 9-2 away from bone plate gripper jaw 9-4, tighten inside
It is fixed away from the two is maintained to coincide after bone plate jackscrew 9-5, manually near end of thighbone 8-2 insides will be inserted on front side of its pile warp femur（Stock
Bone away from）, adjustment position is kept as far as possible close to sclerotin on the inside of near end of thighbone 8-2, then is about to aim at the outside bone plate on arm 9-1
The outside bone plate that gripper jaw 9-3 is clamped on the bone plate 1 of outside holds plate incisura 1-1, and after tightening outside bone plate jackscrew 9-5
The two is maintained to coincide to fix, then linking arm 9-2 by bolt 9-6 is fixed on and is aimed on arm 9-1, arm support is aimed to form entirety
Structure.Bolt 9-6 is selected to carry out linking arm 9-2 and aim at arm 9-1, and can gradually be adjusted by the linking arm 9-2 of row
The spacing of two plates, finally suitably clamps near end of thighbone；Aim at the guide hole reserved of arm successively insertion protective case, drill bushing,
Trochar, bone drill drill through offside sclerotin, and corresponding each auxiliary screw is screwed into after depth measurement.
Claims (8)
1. a kind of intertrochanter fracture of femur combined splint inner fixing device, including outside bone plate, main lock screw, support spiral shell
Nail, greater trochanter screw and distal end fixing screws, the outside bone plate below greater trochanter of femur and on the outside of near end of thighbone
Cortex is close to, and a group far end fixing screw hole and one group of main lock hole being obliquely installed and support are distributed on the bone plate of outside
Screw hole, the main lock screw, supporting screw, distal end fixing screws screw hole screw thread corresponding on the bone plate of outside respectively
Connection, the greater trochanter screw pass through greater trochanter of femur, it is characterised in that：Inside is further included away from bone plate（7）, described is interior
Side is away from bone plate（7）In femoral head（8-3）Lower section and and near end of thighbone（8-2）Inside cortex is close to, and inside is away from bone plate（7）On
Have and supporting screw（5）, distal end fixing screws（6）With greater trochanter screw（4）Adaptable screw hole, the greater trochanter screw
（4）, supporting screw（5）With distal end fixing screws（6）Front end and inside away from bone plate（7）It is threadedly coupled, forms inside away from connecing
Bone plate（7）With outside bone plate（1）It is respectively placed in femur（8）Inside and outside clamp near end of thighbone（8-2）Clamp structure.
2. a kind of intertrochanter fracture of femur combined splint inner fixing device according to claim 1, it is characterised in that：Also
Locking hook plate is rebuild including greater trochanter（2）, the greater trochanter rebuilds locking hook plate（2）It is equipped with one group of screw hole, greater trochanter weight
Build locking hook plate（2）Covering is solid in greater trochanter（8-1）On, the outside bone plate（1）Upper end is equipped with groove（1-2）, it is big to turn
Son rebuilds locking hook plate（2）Lower end is embedded in outside bone plate（1）Groove（1-2）It is interior, the greater trochanter screw（4）Rear end with
Greater trochanter rebuilds locking hook plate（2）It is threadedly coupled.
3. a kind of intertrochanter fracture of femur combined splint inner fixing device according to claim 2, it is characterised in that：Institute
State main lock screw（3）It is two, two main lock screws（3）Rear end in the same horizontal line, the greater trochanter screw（4）
Positioned at two main lock screws（3）Between.
4. a kind of intertrochanter fracture of femur combined splint inner fixing device according to claim 3, it is characterised in that：Institute
State main lock screw（3）With the greater trochanter screw（4）Crosspoint in ward trigonums.
5. a kind of intertrochanter fracture of femur combined splint inner fixing device according to claim 3, it is characterised in that：Institute
The main lock screw stated（3）Front end towards two main lock screws（3）The biasing of the plane of symmetry poly- heart.
6. a kind of intertrochanter fracture of femur combined splint inner fixing device according to claim 1, it is characterised in that：Institute
The inside stated is away from bone plate（7）Titanium matter 3.5mm to meet bigelow's septum anatomic form rebuilds Limited contact locking bone fracture plate.
7. a kind of intertrochanter fracture of femur combined splint inner fixing device a kind of and described in claim 1 is used cooperatively auxiliary
Help aiming appliance, it is characterised in that：Including aiming at arm（9-1）, outside bone plate gripper jaw（9-3）, inside away from bone plate clamp
Pawl（9-4）, linking arm（9-2）, outside bone plate jackscrew（9-5）With inside away from bone plate jackscrew, the outside bone plate splint
Hold pawl（9-3）With aiming at arm（9-1）It is fixedly connected, the linking arm（9-2）One end and inside away from bone plate gripper jaw（9-
4）It is fixedly connected, linking arm（9-2）The other end pass through bolt（9-6）With aiming at arm（9-1）It is fixedly connected, the outer side joint
Bone plate gripper jaw（9-3）With inside away from bone plate gripper jaw（9-4）Position is corresponding, outside bone plate jackscrew（9-5）With aiming
Arm（9-1）It is threadedly coupled, inside is away from bone plate jackscrew and linking arm（9-2）It is threadedly coupled.
8. a kind of auxiliary sight tool according to claim 7, it is characterised in that：The outside bone plate jackscrew（9-
5）Front end bone plate gripper jaw on the outside（9-3）In the section surrounded, front end of the inside away from bone plate jackscrew exists
Inside is away from bone plate gripper jaw（9-4）In the section surrounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116595.5A CN108261233A (en) | 2018-02-06 | 2018-02-06 | A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116595.5A CN108261233A (en) | 2018-02-06 | 2018-02-06 | A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108261233A true CN108261233A (en) | 2018-07-10 |
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ID=62773568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116595.5A Pending CN108261233A (en) | 2018-02-06 | 2018-02-06 | A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool |
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| CN (1) | CN108261233A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620381A (en) * | 2019-01-30 | 2019-04-16 | 刘立峰 | Near end of thighbone bone plate |
| CN110313981A (en) * | 2019-07-23 | 2019-10-11 | 天津正天医疗器械有限公司 | A kind of bone plate sighting device and method |
| CN112790846A (en) * | 2021-01-25 | 2021-05-14 | 李平 | Combined triangular fixing device and method for comminuted fracture |
| CN112971956A (en) * | 2021-02-25 | 2021-06-18 | 中国人民解放军总医院第四医学中心 | Novel femur medial dissection universal locking steel plate |
| CN115998398A (en) * | 2023-02-14 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Bone fixing device |
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| CN112790846A (en) * | 2021-01-25 | 2021-05-14 | 李平 | Combined triangular fixing device and method for comminuted fracture |
| CN112971956A (en) * | 2021-02-25 | 2021-06-18 | 中国人民解放军总医院第四医学中心 | Novel femur medial dissection universal locking steel plate |
| CN115998398A (en) * | 2023-02-14 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Bone fixing device |
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