CN117653303B - A triangular internal fixation and strengthening device for femoral neck fracture - Google Patents
A triangular internal fixation and strengthening device for femoral neck fracture Download PDFInfo
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- CN117653303B CN117653303B CN202311731109.8A CN202311731109A CN117653303B CN 117653303 B CN117653303 B CN 117653303B CN 202311731109 A CN202311731109 A CN 202311731109A CN 117653303 B CN117653303 B CN 117653303B
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- 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
- 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
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- 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
- A61B17/748—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 with means for adapting the angle between the longitudinal elements and the shaft axis of the femur
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- 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
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or 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
- 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
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- 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
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
本发明提供一种股骨颈骨折三角内固定及强化装置，属于股骨颈骨折手术技术领域；包括主钢板和辅钢板，主钢板的表面插设有头钉，头钉的上表面转动连接有转子，主钢板的表面插设有辅钉，插钉的内表面设置有锁死组件，锁死组件用于转子和插钉二者之间的相对位置固定，辅钢板的表面转动连接有连接组件，连接组件用于主钢板和辅钢板二者之间的相对位置固定；通过设置插钉、锁死组件和连接组件，插钉的设置可以提高头钉的稳定性，转子的设置可以方便医生对转子表面插孔的位置进行定位，锁死组件的设置可以让头钉和插钉之间配合得更稳定；连接组件的设置不仅可以方便医生把辅钢板固定在股骨的侧表面，而且可以对辅钢板的位置进行固定。
The present invention provides a triangular internal fixation and reinforcement device for femoral neck fracture, belonging to the technical field of femoral neck fracture surgery; the device comprises a main steel plate and an auxiliary steel plate, wherein a head nail is inserted on the surface of the main steel plate, a rotor is rotatably connected to the upper surface of the head nail, an auxiliary nail is inserted on the surface of the main steel plate, a locking assembly is provided on the inner surface of the nail, the locking assembly is used to fix the relative position between the rotor and the nail, and a connecting assembly is rotatably connected to the surface of the auxiliary steel plate, the connecting assembly is used to fix the relative position between the main steel plate and the auxiliary steel plate; by arranging the nail, the locking assembly and the connecting assembly, the arrangement of the nail can improve the stability of the head nail, the arrangement of the rotor can facilitate doctors to locate the position of the insertion hole on the surface of the rotor, and the arrangement of the locking assembly can make the cooperation between the head nail and the nail more stable; the arrangement of the connecting assembly can not only facilitate doctors to fix the auxiliary steel plate on the side surface of the femur, but also fix the position of the auxiliary steel plate.
Description
Technical Field
The invention relates to the technical field of femoral neck fracture surgery, in particular to a femoral neck fracture triangle internal fixation and reinforcement device.
Background
The proximal femur fracture of the elderly is one of the clinically common fracture types, and the occurrence rate of the proximal femur fracture is about 3.6% of the total body fracture, and 48% -54% of the hip fracture. The conservative treatment of proximal femur fracture requires long-term bedridden and a series of complications occur. At present, bone nonunion occurs in 33% of patients in the long term of the operation treatment, and femoral head necrosis occurs in 33% of patients. In femoral head surgery, a doctor typically places a steel plate over a fractured or damaged femoral head and then secures the plate with screws.
In order to ensure the stability of the screw and the steel plate, the screw and the steel plate are usually inserted into the bone in a triangular structure, but most of the steel plate and the screw can only form a triangular structure on a plane at present, after all, the femur is of a three-dimensional structure in a human body, so that 33% of patients in a long term of operation treatment at present are subjected to bone nonunion, and 33% of patients are subjected to femoral head necrosis, and therefore, the application provides a femoral neck fracture triangular internal fixing and reinforcing device to meet the requirements.
Disclosure of Invention
The invention aims to solve the technical problems that the invention provides the internal fixing and strengthening device for the femur neck fracture triangle, which is provided with the inserted nails, the rotor, the locking assembly and the connecting assembly, wherein the stability of the head nails can be improved by arranging the inserted nails, the rotor can facilitate a doctor to position the insertion holes on the surface of the rotor, the locking assembly can enable the head nails and the inserted nails to be matched more stably, the connecting assembly can facilitate the doctor to fix the auxiliary steel plate on the side surface of the femur, and the position of the auxiliary steel plate can be fixed through the fixing screws, so that the doctor is prevented from shifting the position of the auxiliary steel plate in the process of fixing the inserted nails, and the problems that the bone nonunion and femoral head necrosis are easy to occur to a patient in a long term of current operation treatment can be solved by the arrangement.
In order to solve the technical problems, the invention provides the following technical scheme:
The utility model provides a thighbone neck fracture triangle internal fixation and reinforcing apparatus, includes main steel sheet and auxiliary steel sheet, the surface of main steel sheet is inserted and is equipped with the head nail, the upper surface of head nail rotates and is connected with the rotor, the surface of main steel sheet is inserted and is equipped with auxiliary nail, the surface of main steel sheet is inserted and is equipped with the side nail, the surface of auxiliary steel sheet is inserted and is equipped with the dowel, the internal surface of dowel is provided with the assembly that locks, the assembly that locks be used for the rotor with the relative position between the dowel is fixed, the assembly that locks with the dowel is connected, the surface rotation of auxiliary steel sheet is connected with coupling assembling, coupling assembling be used for the relative position between main steel sheet and the auxiliary steel sheet is fixed, coupling assembling respectively with main steel sheet with auxiliary steel sheet is connected.
Preferably, the studs and the inner surface of the rotor are respectively inserted with a plug rod, and the outer surface of the rotor is provided with anti-skid patterns.
Preferably, the locking assembly comprises an adjusting rod which is slidably connected with the inner surface of the inserted pin, one end of the adjusting rod is rotationally connected with a top block, the outer surface of the top block is fixedly connected with a toothed plate, the surface of the inserted pin is rotationally connected with a fluted disc, the surface of the fluted disc is fixedly connected with a clamping block, and clamping grooves are formed in the surfaces of the inserted pin and the rotor.
Preferably, the inner surface of the fluted disc is rotationally connected with a rotating shaft, the fluted disc is connected with the inserted pin through the rotating shaft, and the number of the fluted disc and the number of the toothed plate are two.
Preferably, the adjusting rod is connected with the plug pin through threads.
Preferably, the connecting assembly comprises a locating rod which is rotationally connected to the surface of the auxiliary steel plate, one end of the locating rod is fixedly connected with a fixed block, a fixing screw is inserted into the surface of the fixed block, one end, away from the fixed block, of the locating rod is rotationally connected with a rotating rod, and the surface of the auxiliary steel plate is fixedly connected with a connecting block.
Preferably, the number of the locating rods and the number of the fixing blocks are two, the auxiliary steel plates are connected with the main steel plates through the locating rods and the fixing blocks, and the locating rods are connected with the auxiliary steel plates through connecting blocks and rotating rods in a rotating mode.
Preferably, the surface of the auxiliary nail is provided with medicine injection holes, the outer surface of the auxiliary nail is provided with medicine outlet holes, and the number of the medicine outlet holes is three.
Preferably, the number of the auxiliary nails is two groups, and the number of the side nails is three groups.
Compared with the prior art, the invention has at least the following beneficial effects:
According to the technical scheme, the plug pin, the rotor, the locking assembly and the connecting assembly are arranged, the plug pin is inserted into the rotor, the head pin can be limited and supported, the stability of the head pin can be improved, the rotor can freely rotate on the upper surface of the head pin, a doctor can conveniently position the position of the insertion hole on the surface of the rotor, the locking assembly can lock the plug pin on the inner surface of the rotor, the head pin and the plug pin can be matched more stably, the connecting assembly is convenient for the doctor to fix the auxiliary steel plate on the side surface of a femur, the position of the auxiliary steel plate can be fixed through the fixing screw, and further the position of the auxiliary steel plate is prevented from shifting in the process of fixing the plug pin.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic perspective view of a femoral neck fracture triangle internal fixation and reinforcement device;
FIG. 2 is an exploded perspective view of the internal fixation and reinforcement device of the femoral neck fracture triangle;
FIG. 3 is a schematic view of a matched and enlarged three-dimensional structure of the head nails, the inserted nails, the main steel plates and the auxiliary nails;
FIG. 4 is a schematic view of a cross-sectional perspective view of the fitting of the stud and adjustment rod;
FIG. 5 is a schematic view of a cross-sectional perspective structure of the auxiliary spike and the drug injection hole;
FIG. 6 is a schematic view of a cross-sectional perspective of the mating of the stud and the plug pin;
FIG. 7 is a schematic view of a mating cross-sectional perspective of the plug pin and the locking assembly;
FIG. 8 is a schematic view of a partial enlarged structure at A in FIG. 7;
FIG. 9 is a schematic view of a cross-sectional perspective view of the cooperating locking assembly and stud;
FIG. 10 is a schematic view of a mating exploded perspective view of the primary steel plate, the secondary steel plate and the connecting assembly;
Fig. 11 is a partially enlarged structural schematic diagram at B in fig. 10.
[ Reference numerals ]
1. The device comprises a main steel plate, 2, a head nail, 3, a rotor, 4, a plug rod, 5, an auxiliary nail, 6, an auxiliary steel plate, 7, a plug nail, 8, an adjusting rod, 9, a side nail, 10, a fixing nail, 11, a medicine outlet hole, 12, a medicine injection hole, 13, a top block, 14, a toothed plate, 15, a fluted disc, 16, a clamping block, 17, a rotating shaft, 18, a clamping groove, 19, a positioning rod, 20, a fixing block, 21, a fixing screw, 22, a connecting block, 23 and a rotating rod.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The invention provides a femur neck fracture triangle internal fixation and reinforcement device which is described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in detail in order to make the embodiments more detailed, the following embodiments are preferred and can be embodied in other forms as well known to those skilled in the art, and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention to the specific forms disclosed herein.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It is to be understood that the meaning of "on," "above," "over," and "above" in this disclosure should be read in the broadest manner so that "on" means not only "directly on" something but also includes "on" something with intervening features or layers therebetween, and "on" or "above" means not only "on" or "over" but also may include the meaning of "on" or "over" it without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under," "below," "lower," "above," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1-11, an embodiment of the present invention provides a femoral neck fracture triangle internal fixation and reinforcement device, which includes a main steel plate 1 and an auxiliary steel plate 6, wherein a head nail 2 is inserted on the surface of the main steel plate 1, a rotor 3 is rotationally connected to the upper surface of the head nail 2, auxiliary nails 5 are inserted on the surface of the main steel plate 1, the number of the auxiliary nails 5 is two, side nails 9 are inserted on the surface of the main steel plate 1, the number of the side nails 9 is three, inserting nails 7 are inserted on the surface of the auxiliary steel plate 6, fixing nails 10 are inserted on the surface of the auxiliary steel plate 6, a locking assembly is arranged on the inner surface of the inserting nails 7, the locking assembly is used for fixing the relative position between the rotor 3 and the inserting nails 7, the surface of the auxiliary steel plate 6 is rotationally connected with a connecting assembly, the connecting assembly is used for fixing the relative position between the main steel plate 1 and the auxiliary steel plate 6, and the connecting assembly is respectively connected with the main steel plate 1 and the auxiliary steel plate 6.
In this embodiment, as shown in fig. 1 and 2, the pins 2 and the rotor 3 are inserted with the insert rod 4 on the inner surface, and the anti-skid patterns are provided on the outer surface of the rotor 3.
As an implementation manner in this embodiment, as shown in fig. 6-9, the locking assembly includes an adjusting rod 8 slidingly connected to the inner surface of the plug pin 7, one end of the adjusting rod 8 is rotationally connected with a top block 13, the outer surface of the top block 13 is fixedly connected with a toothed plate 14, the surface of the plug pin 7 is rotationally connected with a fluted disc 15, the surface of the fluted disc 15 is fixedly connected with a clamping block 16, the surfaces of the plug pin 7 and the rotor 3 are both provided with clamping grooves 18, and as the parameters of the threaded matching relationship between the inner surfaces of the adjusting rod 8 and the plug pin 7 are consistent, a user can realize the effect of changing the position of the adjusting rod 8 by rotating the adjusting rod 8, so that the adjusting rod 8 can freely stretch out and draw back on the inner surface of the plug pin 7, the top block 13 can slide along with the adjusting rod 8 in the plug pin 7, and as the parameters of the toothed matching relationship between the surfaces of the fluted disc 15 are consistent, the fluted disc 15 can be driven to rotate in the process of stretching the top block 13, and a doctor can drive the clamping block 16 to clamp in the clamping grooves 18 in the process of rotating the fluted disc 15, so that after the plug pin 7 is inserted on the surface of the rotor 3, the plug pin 7 can be completely inserted on the surface of the rotor 3, and the position of the plug pin 7 can be more stably locked on the plug pin 7 and the plug pin 2.
In this embodiment, as shown in fig. 8, the inner surface of the fluted disc 15 is rotatably connected with a rotating shaft 17, the fluted disc 15 and the plug pins 7 are connected through the rotating shaft 17, and the number of the fluted disc 15 and the number of the fluted disc 14 are two.
In this embodiment, as shown in fig. 6 and 7, the adjusting rod 8 is connected with the plug pin 7 through threads.
As an implementation manner in this embodiment, as shown in fig. 10 and 11, the connection assembly includes a positioning rod 19 rotatably connected to the surface of the auxiliary steel plate 6, one end of the positioning rod 19 is fixedly connected with a fixing block 20, a fixing screw 21 is inserted into the surface of the fixing block 20, one end of the positioning rod 19 far away from the fixing block 20 is rotatably connected with a rotating rod 23, and the surface of the auxiliary steel plate 6 is fixedly connected with a connecting block 22, because the positioning rod 19 and the auxiliary steel plate 6 are rotatably connected through the connecting block 22 and the rotating rod 23, a user can adjust the position of the auxiliary steel plate 6 through the positioning rod 19, a doctor can place the auxiliary steel plate 6 on the side surface of the femur through the positioning rod 19 in the practical operation process, the positioning rod 19 can conveniently arrange and install the auxiliary steel plate 6, after the arrangement of the auxiliary steel plate 6 is completed, the positioning rod 19 is fixed on the surface of the main steel plate 1 through the fixing block 20 and the fixing screw 21, and thus the position of the auxiliary steel plate 6 is not easy to deviate in the process of installing the inserting nail 7 under the fixing effect of the positioning rod 19 and the fixing block 20.
In this embodiment, as shown in fig. 10 and 11, the number of the positioning rods 19 and the fixing blocks 20 is two, the auxiliary steel plate 6 and the main steel plate 1 are connected through the positioning rods 19 and the fixing blocks 20, and the positioning rods 19 and the auxiliary steel plate 6 are rotatably connected through the connecting blocks 22 and the rotating rods 23.
In this embodiment, as shown in fig. 5, the surface of the auxiliary nail 5 is provided with drug injection holes 12, the outer surface of the auxiliary nail 5 is provided with drug outlet holes 11, the number of the drug outlet holes 11 is three, a doctor can inject the bone cement for osteoporosis or the bone-forming promoting drug to the inner surface of the auxiliary nail 5 through the drug injection holes 12, and then the drug can flow out from the outer surface of the auxiliary nail 5 along the drug outlet holes 11, so that the doctor can conveniently inject the drug into the femur of the patient.
According to the technical scheme, through the arrangement of the inserted nails, the rotor, the locking assembly and the connecting assembly, the head nails and the rotor can rotate mutually, so that a doctor needs to insert the inserted rod into the head nails and the rotor when fixing the head nails, then the inserted rod is rotated to drive the head nails into the femur through threads, and after the head nails and the auxiliary nails are inserted, the main steel plate, the head nails and the auxiliary nails can form a stable triangular structure, and the whole structure of the fixing and reinforcing device has enough stability.
The inserted link is taken out after the fixing of the head nail can fix the inserted pin, the inserted pin can completely penetrate through the rotor, after the inserting pin is inserted, the inserted pin, the head nail, the auxiliary steel plate and the main steel plate can form a plurality of groups of triangular structures in space, the stability and the firmness of the fixing and reinforcing device can be further improved through the design, the head nail penetrates through the whole femur in the fixing and reinforcing device, and therefore the head nail plays a core supporting and fixing role on the femur, the inserted pin is inserted into the rotor, the head nail can be limited and supported, and the head nail can be further prevented from shifting in the position.
The inserted pin passes the rotor through the jack on rotor surface, and the rotor can be at the surface free rotation of head nail, and rotor pivoted in-process its surface jack's angle is also changing, in addition, the doctor can be through the number of turns that the head nail was beaten into the inside screw thread of femur of change the position of jack, and the position and the angle of jack all can be adjusted so, and such setting can make things convenient for the doctor to fix the position of jack, and then improves the efficiency of fixed inserted pin.
Because adjust pole and the internal surface screw thread cooperation relation parameter of dowel unanimous, therefore the user can realize the effect of changing the regulation pole position through rotating the regulation pole, so adjust the pole can freely stretch out and draw back at the internal surface of dowel, adjust pole flexible in-process kicking block can follow the pole and slide in the inside of dowel, because pinion rack and fluted disc surface tooth line cooperation relation parameter are unanimous, consequently the flexible in-process of kicking block can drive the fluted disc and take place to rotate, fluted disc pivoted in-process can drive the fixture block card in the draw-in groove, so when the dowel is inserted on the rotor surface and is established the back, doctor can realize the effect of locking the dowel at the rotor internal surface through rotating the regulation pole, such setting can let the position lock between dowel and the head dowel die, and then let the cooperation between head dowel and the dowel get more stable.
Because assist the steel sheet design at the lateral surface of femur, consequently, in order to make things convenient for the doctor to fix the steel sheet of assisting in the in-process of practising, the surface of assisting the steel sheet has set up coupling assembling, because connecting block and bull stick rotate between locating lever and the steel sheet of assisting and be connected, therefore the user can adjust the position of assisting the steel sheet through the locating lever, doctor can be with assisting the steel sheet and settle at the lateral surface of femur through the locating lever in the in-process of practising, such setting can make things convenient for the doctor to arrange the installation to assisting the steel sheet, after assisting the steel sheet to arrange the completion, the locating lever passes through fixed block and fixed screw to be fixed on the surface of main steel sheet, so under the fixed action of locating lever and fixed block, doctor also be difficult for taking place the skew at the in-process of installing the inserted pin assisting the position of steel sheet.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (4)
1. The internal fixing and strengthening device for the femur neck fracture triangle comprises a main steel plate and an auxiliary steel plate, and is characterized in that a head nail is inserted on the surface of the main steel plate, a rotor is rotationally connected to the upper surface of the head nail, an auxiliary nail is inserted on the surface of the main steel plate, a side nail is inserted on the surface of the main steel plate, an inserting nail is inserted on the surface of the auxiliary steel plate, and a fixing nail is inserted on the surface of the auxiliary steel plate;
The inner surface of the inserted pin is provided with a locking assembly, the locking assembly is used for fixing the relative positions of the rotor and the inserted pin, and the locking assembly is connected with the inserted pin;
The surface of the auxiliary steel plate is rotationally connected with a connecting component, the connecting component is used for fixing the relative positions of the main steel plate and the auxiliary steel plate, and the connecting component is respectively connected with the main steel plate and the auxiliary steel plate;
The locking assembly comprises an adjusting rod which is in threaded connection with the inner surface of the inserted pin, one end of the adjusting rod is rotationally connected with a top block, the outer surface of the top block is fixedly connected with a toothed plate, the surface of the inserted pin is rotationally connected with a fluted disc, the surface of the fluted disc is fixedly connected with a clamping block, and clamping grooves are formed in the inner surfaces of the inserted pin and the rotor;
The inner surface of the fluted disc is rotationally connected with a rotating shaft, the fluted disc is connected with the inserted pin through the rotating shaft, and the number of the fluted disc and the number of the toothed plate are two;
the inserted nails can completely penetrate through the rotor, and after the inserted nails are inserted, the inserted nails, the head nails, the auxiliary steel plates and the main steel plates can form a plurality of groups of triangular structures in space;
The connecting assembly comprises a locating rod rotationally connected to the surface of the auxiliary steel plate, one end of the locating rod is fixedly connected with a fixed block, a fixed screw is inserted into the surface of the fixed block, one end, away from the fixed block, of the locating rod is rotationally connected with a rotating rod, and the surface of the auxiliary steel plate is fixedly connected with a connecting block;
the number of the locating rods and the number of the fixing blocks are two, the auxiliary steel plates are connected with the main steel plates through the locating rods and the fixing blocks, and the locating rods are connected with the auxiliary steel plates through connecting blocks and rotating rods in a rotating mode;
The user can realize changing the position of adjusting the pole through rotating adjusting the pole, and the in-process kicking block that adjusts the pole and remove can follow the pole and slide in the inside of dowel, because pinion rack and fluted disc surface insection cooperation relation parameter are unanimous, the gliding in-process of kicking block can drive the fluted disc and take place to rotate, and fluted disc pivoted in-process can drive the fixture block card in the draw-in groove of rotor, realizes the effect of dead at the rotor internal surface of dowel lock.
2. The femoral neck fracture triangle internal fixation and strengthening device according to claim 1, wherein the stud and the inner surface of the rotor are both inserted with a plunger rod, and the outer surface of the rotor is provided with anti-skid threads.
3. The internal fixation and reinforcement device for femoral neck fracture triangle according to claim 1, wherein the surface of the auxiliary nail is provided with medicine injection holes, the outer surface of the auxiliary nail is provided with medicine outlet holes, and the number of the medicine outlet holes is three.
4. The internal fixation and reinforcement device for a femoral neck fracture triangle according to claim 1, wherein the number of auxiliary nails is two groups, and the number of side nails is three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311731109.8A CN117653303B (en) | 2023-12-15 | 2023-12-15 | A triangular internal fixation and strengthening device for femoral neck fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN118303961B (en) * | 2024-03-25 | 2024-10-18 | 中国人民解放军总医院第四医学中心 | Elastic intramedullary fixation device |
| CN119867899B (en) * | 2024-12-18 | 2025-07-15 | 中国人民解放军总医院第四医学中心 | Reinforced internal fixation steel plate for lower limb fracture |
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| 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 |
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| 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 |
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| CN117653303A (en) | 2024-03-08 |
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