CN105997231B - Articular cartilage net fixing system - Google Patents
Articular cartilage net fixing system Download PDFInfo
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- CN105997231B CN105997231B CN201610495200.8A CN201610495200A CN105997231B CN 105997231 B CN105997231 B CN 105997231B CN 201610495200 A CN201610495200 A CN 201610495200A CN 105997231 B CN105997231 B CN 105997231B
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- articular cartilage
- cartilage
- articular
- positioner
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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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
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
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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
- A61B2017/00831—Material properties
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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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention provides a system for fixing articular cartilage and repairing articular cartilage materials by articular cartilage damage and cartilage repair, belonging to the technical field of medical instruments. The system comprises an articular cartilage repair surface positioner, a temporary fixing kirschner wire, a depth limiting guide wire, a striker and a cartilage fixing piece. The damaged articular cartilage is reset firstly, the positioner is placed on the surface of the damaged articular cartilage, the positioner, the articular cartilage and the bone are temporarily fixed on the fixing hole by using a temporary fixing kirschner wire, a fixing piece needle tunnel is punched on the articular cartilage and the bone by using a depth limiting guide pin in a fixing piece guide channel of the positioner, the fixing piece is placed into the fixing piece guide channel, and the fixing piece is punched into the articular cartilage and the bone tunnel by using a beating device. Other anchors are implanted in the same manner until cartilage repair is complete. The invention can improve the convenience and reliability of the damaged cartilage fixation, and can also be used for fixation of articular cartilage defect repair materials, fixation of tendon end injury attachment surfaces, fixation of fracture free bone fragments and the like.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an articular cartilage mesh-shaped fixing system.
Background
Cartilage is a "device" that acts as a cushion or shock absorber within the body's joints, covering and protecting the joints, and it bears weight loads within the body and reduces the skeletal friction between joints. If the protection of cartilage is lost, direct friction and collision between bones of joints occur, and the human body has symptoms of joint pain, swelling and the like, and then osteoarthritis occurs.
In the course of orthopedic surgery, it is often found that the articular cartilage is stripped off. In response to this situation, there is currently a lack of rapid and convenient treatment methods, which often remove the stripped cartilage. Since cartilage is difficult to regenerate, if cartilage pieces are removed when the cartilage stripping area is large, degenerative arthritis is likely to occur in a patient after an operation, and the life of the patient is seriously affected.
Disclosure of Invention
The embodiment of the invention aims to provide an articular cartilage reticular fixation system and method, aiming at effectively improving the convenience and reliability of articular cartilage fixation.
In a first aspect, the embodiment of the invention provides an articular cartilage reticular fixation system, which comprises an articular cartilage repair surface positioner, a temporary fixation kirschner wire, a depth-limiting guide wire, a striker and a cartilage fixing piece, the articular cartilage repair surface positioner comprises a top surface, a bottom surface and side surfaces, wherein the top surface and the bottom surface are oppositely arranged, the side surface is connected between the top surface and the bottom surface, the needle head of the temporary fixing kirschner wire penetrates articular cartilage and bone through the top surface and the bottom surface of the articular cartilage repair surface positioner in sequence, the articular cartilage is fixed on the articular surface where the articular cartilage is positioned, the depth limiting guide pin is used for drilling a fixing piece needle tunnel on the articular cartilage and the bone, the cartilage fixing piece is used for fixing the articular cartilage and an articular surface where the articular cartilage is positioned, and the impactor is used for nailing the cartilage fixing piece into the articular surface;
the articular cartilage repair surface positioner is characterized in that a guide channel penetrating through the articular cartilage repair surface positioner is arranged in the length direction of the articular cartilage repair surface positioner, the guide channel is matched with the cartilage fixing piece in shape and size, the depth limiting guide pin can move in the guide channel along the length direction of the articular cartilage repair surface positioner, the cartilage fixing piece can move in the guide channel along the length direction of the articular cartilage repair surface positioner, and the length of the striker is greater than or equal to the length of the articular cartilage repair surface positioner.
Preferably, a handle is arranged on the side surface of the articular cartilage repair surface positioner close to the top surface, and the handle and the articular cartilage repair surface positioner are integrally formed.
Preferably, the part between the nail head and the nail cap of the cartilage fixing piece is one of a smooth structure, a frosted structure or a barbed structure.
Preferably, the depth-limiting guide pin is made of a metal material and comprises an upper section and a lower section, a depth-limiting device is arranged between the upper section and the lower section, and the upper section, the lower section and the depth-limiting device are integrally formed. The main body of the depth-limiting guide pin is columnar, and the lower end of the depth-limiting guide pin is pointed. The depth limiting device comprises a column shape perpendicular to the depth limiting guide pin main body, a disc-shaped surface perpendicular to the depth limiting guide pin main body and the like.
Preferably, the cartilage fixing piece is made of absorbable organic materials, and can also be made of PK materials and metal materials, and the absorbable materials comprise polyglycolide, polylactide and polyamide.
Preferably, the cartilage fixer comprises a plurality of fixing nails and a connector connecting the plurality of fixing nails to each other, wherein the connector is made of absorbable materials, and the absorbable materials comprise catgut, polymer chemical synthetic thread, pure natural collagen suture, polyglycolide, polylactide and polyamide.
Preferably, the shape that constitutes after a plurality of staple pass through connecting piece interconnect is netted, netted including triangle-shaped, straightway, cross and polygon.
Preferably, the articular cartilage repair surface locator and the striker are made of a plastic or metal material.
Preferably, an arc-shaped structure which is matched with the articular surface is arranged between the bottom surface and the side surface of the articular cartilage repair surface positioner.
Preferably, the articular cartilage repair surface positioner is provided with a graduated scale, and the graduation lines of the graduated scale are arranged along the length direction of the articular cartilage repair surface positioner.
In a second aspect, the embodiment of the invention provides a method for fixing articular cartilage, which is applied to an articular cartilage reticular fixation system, the system comprises an articular cartilage repair surface positioner, a temporary fixing kirschner wire, a striker and a cartilage fixing piece, the articular cartilage repair surface positioner comprises a top surface, a bottom surface and side surfaces, wherein the top surface and the bottom surface are oppositely arranged, the side surface is connected between the top surface and the bottom surface, the needle head of the temporary fixing kirschner wire penetrates articular cartilage and bone through the top surface and the bottom surface of the articular cartilage repair surface positioner in sequence, the articular cartilage is fixed on the articular surface where the articular cartilage is positioned, the depth limiting guide pin is used for drilling a fixing piece needle tunnel on the articular cartilage and the bone, the cartilage fixing piece is used for fixing the articular cartilage and an articular surface where the articular cartilage is positioned, and the impactor is used for nailing the cartilage fixing piece into the articular surface; the articular cartilage repair surface positioner is characterized in that a guide channel penetrating through the articular cartilage repair surface positioner is arranged along the length direction of the articular cartilage repair surface positioner, the shape and the size of the guide channel are matched with those of the cartilage fixing piece, the cartilage fixing piece can move in the guide channel along the length direction of the articular cartilage repair surface positioner, and the length of the striker is greater than or equal to that of the articular cartilage repair surface positioner;
the method comprises the following steps:
firstly, restoring the damaged articular cartilage, then placing the positioner on the surface of the damaged articular cartilage, temporarily fixing the positioner and the articular cartilage and the bone on the fixing holes by using a temporary fixing Kirschner wire, and drilling a fixing piece needle tunnel on the articular cartilage and the bone by using a depth limiting guide needle on a fixing piece guide channel of the positioner; placing the fixing piece into a guide channel of a fixing piece needle, and driving the fixing piece nail into the articular cartilage and the bone tunnel by using a striker; and removing the temporary fixing kirschner wire, and implanting a second fixing piece nail by the same method until the articular cartilage is repaired.
According to the mesh-shaped articular cartilage fixing system and method provided by the embodiment of the invention, the needle head for temporarily fixing the Kirschner wire penetrates into articular cartilage and bone through the top surface and the bottom surface of the articular cartilage repair surface positioner in sequence, the articular cartilage is fixed on the articular surface where the articular cartilage is positioned, the depth-limiting guide needle is used for punching a fixing piece needle tunnel on the articular cartilage and bone, the articular cartilage and the articular surface where the articular cartilage is positioned are fixed through a cartilage fixing piece, and the cartilage fixing piece is nailed into the articular surface through a percussion device, so that the articular cartilage is reliably fixed, and the implementation is convenient.
Drawings
In view of this, the designer of the present invention designs a mesh-type articular cartilage fixation system and method through long-term exploration and trial, and many experiments and efforts, and continuous innovation, so as to conveniently and reliably realize the fixation of articular cartilage.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an articular cartilage repair surface positioner in an articular cartilage reticular fixation system provided by the embodiment of the invention.
Fig. 2 is a schematic structural diagram of a temporary fixation kirschner wire in an articular cartilage reticular fixation system provided by the embodiment of the invention.
Fig. 3 is a schematic installation diagram of the articular cartilage mesh fixation system provided by the embodiment of the invention during implementation.
Fig. 4 is a schematic structural diagram of a cartilage fastener in an articular cartilage reticular system according to an embodiment of the invention.
Fig. 5 is another structural diagram of the cartilage fastener in the articular cartilage reticular system provided by the embodiment of the invention.
Fig. 6 is another structural diagram of the cartilage fastener in the articular cartilage reticular system provided by the embodiment of the invention.
Fig. 7 is a schematic view of the connection structure of the striker and the cartilage fixing component in the articular cartilage reticular fixation system according to the embodiment of the invention.
Fig. 8 is a schematic structural diagram of a depth-limiting guide pin in an articular cartilage mesh fixation system provided by an embodiment of the invention.
Fig. 9 is a schematic structural diagram of a guide channel in the articular cartilage mesh-type fixation system provided by the embodiment of the invention.
Fig. 10 is another structural view of a guide channel member in the articular cartilage mesh-type fixation system according to the embodiment of the present invention.
Fig. 11 is another structural view of a guide channel member in the articular cartilage mesh-type fixation system according to the embodiment of the present invention.
The labels in the figure are respectively:
the articular cartilage repair surface locator 100 temporarily fixes a Kirschner wire 200, a beater 300, a cartilage fixing piece 400, an articular surface 500, articular cartilage 600 and a depth limiting guide needle 700;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The embodiment of the invention provides an articular cartilage reticular fixation system which mainly comprises an articular cartilage repair surface positioner 100, a temporary fixation kirschner wire 200, a striker 300, a cartilage fixing piece 400 and a depth-limiting guide wire 700. The system can be used for cartilage repair, rotator cuff injury repair, tendon end fixation, fracture fixation and the like. As shown in fig. 1, the articular cartilage repair surface locator 100 includes a top surface 101, a bottom surface 102, and side surfaces 103. Optionally, the articular cartilage repair surface locator 100 is a cylinder. The articular cartilage repair surface locator 100 has a top surface 101 and a bottom surface 102 that are disposed opposite to each other and parallel to each other. The top surface 101 and the bottom surface 102 are circular. The side surface 103 is connected between the top surface 101 and the bottom surface 102. The cross section of the side surface 103 is a rectangle, and the width of the rectangle is equal to the perimeter of the top surface 101 and the bottom surface 102. As shown in fig. 2, it is a schematic structural view of the temporary fixation kirschner wire 200. The needle of the temporary fixation kirschner wire 200 passes through the top surface 101, the side surface 103 and the bottom surface 102 of the articular cartilage repair surface positioner 100 in sequence to penetrate the articular cartilage 600 and the bone which are in contact with the bottom surface 102, so that the articular cartilage 600 is fixed on the articular surface 500 where the articular cartilage 600 is located, please refer to fig. 3. So configured, a primary fixation of the articular cartilage 600 to the articular surface 500 on which the articular cartilage 600 is located is achieved. The depth-limiting guide pin 700 sequentially passes through the top surface 101, the side surface 103 and the bottom surface 102 of the articular cartilage repair surface positioner 100 to penetrate the articular cartilage 600 and the bone which are in contact with the bottom surface 102, and a fixing piece needle tunnel is drilled on the articular cartilage 600 and the bone. Similarly, the cartilage fixing member 400 penetrates the articular cartilage 600 contacting the bottom surface 102 sequentially through the top surface 101, the shaft, and the bottom surface 102 of the articular cartilage repair surface locator 100, thereby fixing the articular cartilage 600 to the articular surface 500 where the articular cartilage 600 is located. Alternatively, as shown in fig. 4 to 6, the shape of the cartilage fixer 400 may include a triangle, a door, a cross, a polygon, and the like. The lower end of the cartilage fixing member 400 is tapered. So configured, final fixation of the articular cartilage 600 to the articular surface 500 in which the articular cartilage 600 is located is achieved. Fig. 7 is a schematic view showing a connection structure between the striker 300 and the cartilage fixing member 400. The striker 300 is used to drive the cartilage fastener 400 into the articular surface 500.
In practice, in order to facilitate the driving of the hammer 300 into the articular surface 500, a guide channel 104 is provided in the articular cartilage repair surface locator 100. The guide channel 104 is hollow, and the shape and size of the guide channel 104 and the cartilage fixing member 400 are matched, so that the cartilage fixing member 400 can be just placed in the guide channel 104. It is understood that the guide channel 104 is disposed along the length direction of the articular cartilage repair surface locator 100, and the guide channel 104 penetrates the top surface 101 and the bottom surface 102 of the articular cartilage repair surface locator 100. The arrangement is such that the cartilage fixing member 400 can move in the guide passage 104 along the length direction of the articular cartilage repair surface locator 100. In order to enable the striker 300 to smoothly nail the cartilage fixing member 400 into the articular surface 500, the length of the striker 300 is made to be equal to or greater than the length of the articular cartilage repair surface locator 100.
Further, a handle 105 is provided on the side surface 103 of the articular cartilage repair surface locator 100, the handle 105 being located at a position close to the top surface 101. The handle 105 and the articular cartilage repair surface locator 100 are integrally formed. Wherein, the articular cartilage repair surface positioner 100 and the handle 105 are both made of plastic or metal materials. When the articular cartilage repair surface locator 100 and the handle 105 are manufactured of a plastic material, the handle 105 is attached to the articular cartilage repair surface locator 100 by means of thermal fusion. When the articular cartilage repair surface locator 100 and the handle 105 are made of a metal material, the handle 105 is connected to the articular cartilage repair surface locator 100 by welding. When the striker 300 is used to fix the articular cartilage 600 to the articular surface 500 where the articular cartilage 600 is located, the convenience of using the striker 300 can be improved by grasping the handle 105 provided on the side surface 103 of the articular cartilage repair surface retainer 100. The striker 300 is made of a plastic or metal material.
Further, as shown in fig. 8, the depth-limiting guide pin 700 includes an upper section and a lower section, a depth-limiting device is disposed between the upper section and the lower section, and the upper section, the lower section, and the depth-limiting device are integrally formed. The main body of the depth-limiting guide pin 700 is columnar, and the lower end is pointed. The depth stop means includes a column shape perpendicular to the main body of the depth stop pin 700, a disk surface perpendicular to the main body of the depth stop pin 700, and the like. The length of the lower section of the depth-limiting guide pin 700 is equal to the sum of the length of the articular cartilage repair surface positioner 100 and the length of the cartilage fixing piece 400, the length of the upper section is not limited, and the diameter of the depth-limiting guide pin 700 is consistent with the diameter of the cartilage fixing piece 400. In practice, the articular cartilage 600 and the bone which are contacted with the bottom surface 102 are penetrated through the top surface 101, the side surface 103 and the bottom surface 102 of the articular cartilage repair surface positioner 100 in sequence, and a fixing piece needle tunnel is drilled on the articular cartilage 600 and the bone. The depth-limiting guide pin can be clamped on the upper end surface of the articular cartilage repair surface positioner 100 to play a depth-limiting role, so that the cartilage fixing piece 400 can be further fixed.
Further, the cartilage fastener 400 may include a nail head and a nail cap. According to different requirements of actual use, different structures are arranged at the part between the nail head and the nail cap. For example, the structure may include a smooth structure, a frosted structure, or a barbed structure. The smooth structure allows the cartilage fixture 400 to smoothly pass through the top surface 101 and the bottom surface 102 of the articular cartilage repair surface locator 100. The frosted structure and the barbed structure enable the cartilage fixing member 400 to fix the articular cartilage repair surface locator 100 and the articular cartilage 600, thereby fixing the articular cartilage 600 and the articular surface 500 on which the articular cartilage 600 is located.
Wherein, in order to prevent the cartilage fixing member 400 from being removed from the articular surface 500 on which the articular cartilage 600 is located after the cartilage fixing member 400 fixes the articular cartilage 600 to the articular surface 500 on which the articular cartilage 600 is located, the cartilage fixing member 400 is an absorbable organic material, and may also be a PK material and a metal material, and the absorbable materials include polyglycolide, polylactide and polyamide, so that the cartilage fixing member 400 can be absorbed by the human body.
Further, the cartilage fixer 400 mainly includes a plurality of fixing nails and connectors. The connecting piece is used for connecting the plurality of fixing nails. The shape formed by the plurality of fixing nails under the action of the connecting piece is a net shape, and the net shape can comprise a cross shape, a door-shaped triangle shape or other polygons, please refer to fig. 9-11. The mesh structure enables the cartilage fixture 400 to better secure the articular cartilage 600 and the articular surface 500 in which the articular cartilage 600 is located. Likewise, in order to eliminate the need to remove the connector from the articular surface 500 in which the articular cartilage 600 is located, the connector is made of an absorbable material. Optionally, the absorbable material comprises catgut, a polymer-chemical synthetic thread, a pure natural collagen suture, polyglycolide, polylactide, polyamide, and the like, such that the connector is absorbable by the human body.
In practice, an arc-shaped structure is arranged at the transition position of the bottom surface 102 and the side surface 103 of the articular cartilage repair surface positioner 100. The shape of the arcuate structure conforms to the articular surface 500. The arrangement is such that the articular cartilage 600 can better contact with the articular surface 500 where the articular cartilage 600 is located, and the articular cartilage 600 and the articular surface 500 where the articular cartilage 600 is located can be conveniently fixed by the temporary fixation kirschner wire 200 and the cartilage fixing piece 400.
Further, the length of the articular cartilage repair surface locator 100 extending into the articular cartilage 600 is convenient to observe. A graduated scale is arranged on the articular cartilage repair surface positioner 100. The scale lines of the graduated scale are arranged along the length direction of the articular cartilage repair surface positioner 100. Alternatively, the graduation line includes a plurality of long lines and short lines alternately arranged along the length direction of the articular cartilage repair surface locator 100 at intervals so as to be observed and read by a user. The distance between adjacent long and short lines may be 1 mm.
The embodiment of the invention provides a method for fixing articular cartilage 600, which is applied to the articular cartilage reticular fixation system.
Specifically, the method for fixing articular cartilage comprises the following steps.
Step 1: the bottom surface 102 of the articular cartilage repair surface locator 100 is abutted against the articular cartilage 600, so that the bottom surface 102 of the articular cartilage repair surface locator 100 is attached to the articular cartilage 600. Adjusting the position of the articular cartilage repair surface locator 100 to urge the articular cartilage 600 against the articular surface 500 on which the articular cartilage 600 is located.
Step 2: and (3) penetrating the needle head of the temporarily fixed kirschner wire 200 into the articular cartilage 600 and the bone sequentially through the top surface 101 and the bottom surface 102 of the articular cartilage repair surface positioner 100 along the length direction of the articular cartilage repair surface positioner 100. And the articular cartilage 600 is fixed to the articular surface 500 where the articular cartilage 600 is located. This achieves a preliminary fixation of the articular cartilage 600 and of the articular surface 500 on which the articular cartilage 600 is located.
And step 3: and (3) enabling the depth limiting guide pin 700 to sequentially pass through the top surface 101, the side surface 103 and the bottom surface 102 of the articular cartilage repair surface positioner 100 to penetrate the articular cartilage 600 and the bone which are in contact with the bottom surface 102, and drilling a fixing piece needle tunnel on the articular cartilage 600 and the bone.
And 4, step 4: the cartilage fixing piece 400 is placed into the guide channel 104 of the articular cartilage repair surface positioner 100, and the striker 300 is used for nailing the cartilage fixing piece 400 into the cartilage and bone tunnel manufactured by the depth limiting guide needle 700 through the top surface 101 and the bottom surface 102 of the articular cartilage repair surface positioner 100 in sequence. And the articular cartilage 600 is fixed to the articular surface 500 where the articular cartilage 600 is located. This achieves the final fixation of the articular cartilage 600 and the articular surface 500 on which the articular cartilage 600 is located.
And 5: withdrawing the temporary fixation k-wire 200 from the articular surface 500 and the articular cartilage 600. The articular cartilage repair surface locator 100 is then removed from the articular cartilage 600.
According to the articular cartilage reticular fixation system and the articular cartilage reticular fixation method provided by the embodiment of the invention, the needle head for temporarily fixing the kirschner wire 200 sequentially passes through the top surface 101 and the bottom surface 102 of the articular cartilage repair surface positioner 100 to penetrate into the articular cartilage 600 and the bone, the articular cartilage 600 is fixed on the articular surface 500 where the articular cartilage 600 is positioned, the cartilage and bone tunnel is manufactured through the depth limiting guide needle 700, the articular cartilage 600 is fixed on the articular surface 500 where the articular cartilage 600 is positioned through the cartilage fixing piece 400, and the cartilage fixing piece 400 is driven into the articular surface 500 through the striker 300, so that the articular cartilage 600 is reliably fixed, the implementation is convenient, and the possibility of degenerative arthritis of a postoperative patient can be effectively reduced.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An articular cartilage reticular fixation system is characterized by comprising an articular cartilage repair surface positioner, a temporary fixation kirschner wire, a depth-limiting guide wire, a striker and a cartilage fixing piece, the articular cartilage repair surface positioner comprises a top surface, a bottom surface and side surfaces, wherein the top surface and the bottom surface are oppositely arranged, the side surface is connected between the top surface and the bottom surface, the needle head of the temporary fixing kirschner wire penetrates articular cartilage and bone through the top surface and the bottom surface of the articular cartilage repair surface positioner in sequence, the articular cartilage is fixed on the articular surface where the articular cartilage is positioned, the depth limiting guide pin is used for drilling a cartilage fixing piece needle tunnel on the articular cartilage and the bone, the cartilage fixing piece is used for fixing the articular cartilage and an articular surface where the articular cartilage is positioned, and the impactor is used for nailing the cartilage fixing piece into the articular surface;
the articular cartilage repair surface positioner is characterized in that a guide channel penetrating through the articular cartilage repair surface positioner is arranged along the length direction of the articular cartilage repair surface positioner, the shape and the size of the guide channel are matched with those of the cartilage fixing piece, the cartilage fixing piece can move in the guide channel along the length direction of the articular cartilage repair surface positioner, and the length of the striker is greater than or equal to that of the articular cartilage repair surface positioner;
the cartilage fixing piece comprises a plurality of fixing nails and a connecting piece for connecting the fixing nails with each other, wherein the connecting piece is made of an absorbable material, and the absorbable material comprises catgut, a high-molecular chemical synthetic thread, a pure natural collagen suture, polyglycolide, polylactide and polyamide;
the shape that a plurality of staple constitute after passing through connecting piece interconnect is netted, netted including cross and polygon, the cartilage mounting to articular cartilage with the articular surface that articular cartilage is located fixes.
2. The articular cartilage mesh fixation system according to claim 1, wherein a handle is provided on a side surface of the articular cartilage repair surface locator near the top surface, the handle and the articular cartilage repair surface locator being integrally formed.
3. The articular cartilage mesh fixation system of claim 1, wherein the portion of the cartilage fastener between the head and the cap is one of a smooth structure, a frosted structure, or a barbed structure.
4. The articular cartilage mesh fixation system of claim 1 wherein the articular cartilage repair surface locator and the striker are manufactured from a plastic or metal material.
5. The mesh-type articular cartilage fixation system according to claim 1, wherein an arc-shaped structure matched with the articular surface is arranged between the bottom surface and the lateral surface of the articular cartilage repair surface positioner.
6. The mesh-type articular cartilage fixation system according to claim 1, wherein the articular cartilage repair surface locator is provided with a graduated scale, and graduation lines of the graduated scale are arranged along the length direction of the articular cartilage repair surface locator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610495200.8A CN105997231B (en) | 2016-06-29 | 2016-06-29 | Articular cartilage net fixing system |
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| CN201610495200.8A CN105997231B (en) | 2016-06-29 | 2016-06-29 | Articular cartilage net fixing system |
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| CN105997231A CN105997231A (en) | 2016-10-12 |
| CN105997231B true CN105997231B (en) | 2020-03-10 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2269964C2 (en) * | 2004-05-13 | 2006-02-20 | МУЗ ЦРБ Промышленновского района Кемеровской области | Device for introducing two-rod holders into bone |
| CN202051804U (en) * | 2011-04-25 | 2011-11-30 | 王洪光 | Kirschner wire |
| CN203042422U (en) * | 2013-01-31 | 2013-07-10 | 镐英杰 | Vertebral pedicle aiming device and aiming machine thereof |
| CN104367356A (en) * | 2014-12-01 | 2015-02-25 | 上海凯利泰医疗科技股份有限公司 | Tunnel aiming device and aiming method used for rotator cuff repair |
| CN104434281A (en) * | 2014-12-27 | 2015-03-25 | 雷俊虎 | Bone tunnel cross pin positioning tool used in department of orthopaedics and application thereof |
| CN205988322U (en) * | 2016-06-29 | 2017-03-01 | 华中科技大学同济医学院附属协和医院 | The netted fixed system of articular cartilage |
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| US8790352B2 (en) * | 2011-10-03 | 2014-07-29 | Smith & Nephew, Inc. | Ovoid tunnel guide and method of ACL reconstruction |
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| RU2269964C2 (en) * | 2004-05-13 | 2006-02-20 | МУЗ ЦРБ Промышленновского района Кемеровской области | Device for introducing two-rod holders into bone |
| CN202051804U (en) * | 2011-04-25 | 2011-11-30 | 王洪光 | Kirschner wire |
| CN203042422U (en) * | 2013-01-31 | 2013-07-10 | 镐英杰 | Vertebral pedicle aiming device and aiming machine thereof |
| CN104367356A (en) * | 2014-12-01 | 2015-02-25 | 上海凯利泰医疗科技股份有限公司 | Tunnel aiming device and aiming method used for rotator cuff repair |
| CN104434281A (en) * | 2014-12-27 | 2015-03-25 | 雷俊虎 | Bone tunnel cross pin positioning tool used in department of orthopaedics and application thereof |
| CN205988322U (en) * | 2016-06-29 | 2017-03-01 | 华中科技大学同济医学院附属协和医院 | The netted fixed system of articular cartilage |
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