CN114469302B - Tendinous bone joint part fixer - Google Patents
Tendinous bone joint part fixer Download PDFInfo
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- CN114469302B CN114469302B CN202210127900.7A CN202210127900A CN114469302B CN 114469302 B CN114469302 B CN 114469302B CN 202210127900 A CN202210127900 A CN 202210127900A CN 114469302 B CN114469302 B CN 114469302B
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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
- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
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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
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Neurology (AREA)
- Rheumatology (AREA)
- Surgical Instruments (AREA)
Abstract
The embodiment of the invention provides a tendon-bone joint part fixator, and relates to the field of medical appliances. The tendon-bone joint part fixator comprises a main fixing plate, a first fixing plate and a second fixing plate, wherein the main fixing plate is provided with a first fixing hole penetrating through a first main fixing surface and a second main fixing surface, the first fixing plate is provided with a first fixing surface, a first inclined surface and a second fixing surface, the first fixing surface and the first inclined surface form an obtuse angle, the first inclined surface and the second fixing surface form an acute angle, the first fixing plate is provided with a second fixing hole, the third fixing surface and the second inclined surface form an obtuse angle, the second inclined surface and the fourth fixing surface form an acute angle, the third fixing surface is connected with the first fixing surface, the second inclined surface is connected with the first inclined surface, the fourth fixing surface is connected with the second fixing surface, and the second fixing hole penetrates through the first inclined surface and the second fixing surface, so that injuries to tendon ligaments are avoided, and the stability to the tendon ligaments can be enhanced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a tendon-bone joint part fixator.
Background
Bone fracture is a common disease in orthopaedics clinic, and after fracture, the injured bones need to be repaired timely and correctly, and the common bone fixing medical apparatus in the surgery fracture operation is provided with a bone fracture plate or a tension band steel wire.
In the prior art, facing to the fracture of the joint part of the tendon and the bone, the bone fixing medical apparatus is easy to cause injury to the tendon and the ligament and unstable to the fixation of the tendon and the bone.
Disclosure of Invention
The invention provides a tendon-bone joint part fixator which can avoid injury to tendons and ligaments and unstable fixation of tendon and ligament aiming at fracture.
Embodiments of the invention may be implemented as follows:
embodiments of the present invention provide a tendon-bone union anchor, comprising:
the main fixing plate is provided with a first main fixing surface and a second main fixing surface which are opposite, and a first fixing hole penetrating through the first main fixing surface and the second main fixing surface is formed in the main fixing plate;
the first fixing plate is provided with a first fixing surface, a first inclined surface and a second fixing surface, the first main fixing surface, the first inclined surface, the second fixing surface and the second main fixing surface are sequentially connected, the first fixing surface and the first inclined surface form an obtuse angle, the first inclined surface and the second fixing surface form an acute angle, and the first fixing plate is provided with a second fixing hole; and
the second fixing plate is provided with a third fixing surface, a second inclined surface and a fourth fixing surface which are sequentially connected, the third fixing surface and the second inclined surface form an obtuse angle, the second inclined surface and the fourth fixing surface form an acute angle, the third fixing surface is connected with the first fixing surface, the second inclined surface is connected with the first inclined surface, and the fourth fixing surface is connected with the second fixing surface;
the second fixing hole penetrates through the first inclined surface and the second fixing surface.
Optionally, a third fixing hole penetrating through the second inclined surface and the fourth fixing surface is formed in the second fixing plate.
Optionally, the first inclined plane and the second inclined plane are connected with each other at an included angle, and the tendon-bone joint part fixator is further provided with a fourth fixing hole, wherein the fourth fixing hole penetrates through the first inclined plane, the second fixing plane and the fourth fixing plane and is positioned at the included angle of the first inclined plane and the second inclined plane;
the second fixing holes, the third fixing holes and the fourth fixing holes are sequentially spaced.
Optionally, the first fixing plate is further provided with a first cross hole, the second fixing plate is provided with a second cross hole, and the axial lead of the first cross hole is intersected with the axial lead of the second cross hole.
Optionally, the first fixing surface and the third fixing surface form an included angle and are parallel to the second fixing surface, the third fixing surface and the fourth fixing surface are parallel, the first cross hole penetrates through the first fixing surface and the second fixing surface, and the second cross hole penetrates through the third fixing surface and the fourth fixing surface.
Optionally, the first major fixation surface and the first fixation surface are coplanar, and the second fixation surface and the second major fixation surface are coplanar.
Optionally, the first fixing plate and the second fixing plate are symmetrical with respect to a connecting line of the first fixing surface and the third fixing surface.
Optionally, the number of the first fixing holes is multiple, and the multiple first fixing holes are arranged on the main fixing plate at intervals.
Optionally, the main fixing plate is further provided with a sliding hole penetrating through the first main fixing surface and the second main fixing surface, and the sliding hole is spaced from the first fixing hole.
Optionally, the main fixing plate, the first fixing plate and the second fixing plate are integrally formed.
Optionally, the second fixing hole has a smaller diameter than the first fixing hole.
Beneficial effects of the tendinous bone joint site fixator of embodiments of the present invention include, for example:
the embodiment of the invention provides a tendon-bone joint part fixator, which comprises a main fixing plate, a first fixing plate and a second fixing plate, wherein the main fixing plate is provided with a first main fixing surface and a second main fixing surface which are opposite, the main fixing plate is provided with a first fixing hole penetrating through the first main fixing surface and the second main fixing surface, the first fixing plate is provided with a first fixing surface, a first inclined surface and a second fixing surface, the first main fixing surface, the first inclined surface, the second fixing surface and the second main fixing surface are sequentially connected, the first fixing surface and the first inclined surface form an obtuse angle, the first inclined surface and the second fixing surface form an acute angle, the first fixing plate is provided with a second fixing hole, the second fixing plate is provided with a third fixing surface, a second inclined surface and a fourth fixing surface which are sequentially connected, the third fixing surface and the second inclined surface form an obtuse angle, the second inclined surface and the fourth fixing surface form an acute angle, the third fixing surface is connected with the first fixing surface, the second inclined surface is connected with the first inclined surface, the fourth fixing surface is connected with the second fixing surface, the second fixing hole penetrates through the first inclined surface and the second fixing surface, for example, when the tendon-bone union part fixator is used for fracture of the proximal end of the ulna, the whole tendon-bone union part fixator is fixed at the proximal end of the ulna through a screw penetrating through the main fixing plate, at the moment, the first main fixing surface, the first fixing surface and the third fixing surface are all attached to the proximal end surface of the ulna, then the first inclined surface and the first inclined surface form an obtuse angle, the first inclined surface and the second fixing surface form an acute angle, the third fixing surface and the second inclined surface form an obtuse angle, the second inclined surface and the fourth fixing surface form an acute angle, the first fixing plate is provided with the second fixing hole, and the first inclined surface and the second inclined surface form an accommodating space relative to the proximal end surface of the ulna for accommodating the tendon ligament, the tendon ligament is prevented from being stimulated by pressing, impacting or cutting and the like by the tendon-bone joint part fixator, and the tendon ligament is fixed through the suture thread passing through the second fixing hole so as to complete the whole proximal ulna fracture reduction process, so that the injury to the tendon ligament is avoided, the stability to the tendon ligament is enhanced, and the occurrence of related complications is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view of a joint tendon and bone anchor provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a second view of a joint tendon and bone anchor provided in an embodiment of the present invention;
fig. 3 is a schematic view illustrating the installation of a tendon-bone union anchor according to an embodiment of the present invention.
Icon: 1000-tendinous bone joint portion fixator; 2000-ulna; 2100-first ulnar side; 2200-a second ulnar side; 100-a main fixing plate; 110-a first major fixation surface; 120-a second major fixation surface; 101-a first fixing hole; 102-a sliding hole; 200-a first fixing plate; 210-a first fixing surface; 220-a second fixation surface; 230-a first inclined surface; 201-a second fixing hole; 202-first intersecting holes; 300-a second fixing plate; 301-a third fixing hole; 302-second intersecting holes; 310-a third fixing surface; 320-fourth fixation surface; 330-a second inclined surface; 331-fourth fixing hole.
Detailed Description
For the purpose of making 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 clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as 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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Bone fracture is a common disease in orthopaedics clinic, the injured bones need to be repaired timely and correctly after fracture, the common bone fixing medical devices in surgery fracture operation are bone fracture plates or tension band steel wires, in the prior art, the bone fixing medical devices face to the joint fracture of tendons and bones, the bone fixing medical devices are easy to damage tendons and ligaments and unstable in fixation, and related complications are caused.
In view of this, embodiments of the present invention provide a tendon-bone union anchor that addresses this problem.
Referring to fig. 1-3, the present embodiment provides a tendon and bone union anchor 1000, which will be described in detail below.
Referring to fig. 1 and 2, an embodiment of the present invention provides a tendon-bone joint portion fixator 1000, which is mainly aimed at a tendon-ligament and bone joint fracture portion, and includes a main fixing plate 100, a first fixing plate 200 and a second fixing plate 300, wherein the main fixing plate 100 has a first main fixing surface 110 and a second main fixing surface 120 opposite to each other, the main fixing plate 100 is provided with a first fixing hole 101 penetrating the first main fixing surface 110 and the second main fixing surface 120, and in this embodiment, the main fixing plate 100, the first fixing plate 200 and the second fixing plate 300 are integrally formed.
The first fixing plate 200 has a first fixing surface 210, a first inclined surface 230 and a second fixing surface 220, the first main fixing surface 110, the first fixing surface 210, the first inclined surface 230, the second fixing surface 220 and the second main fixing surface 120 are sequentially connected, the first fixing surface 210 and the first inclined surface 230 form an obtuse angle, the first inclined surface 230 and the second fixing surface 220 form an acute angle, and the first fixing plate 200 is provided with a second fixing hole 201.
The second fixing plate 300 has a third fixing surface 310, a second inclined surface 330 and a fourth fixing surface 320 connected in sequence, the third fixing surface 310 and the second inclined surface 330 form an obtuse angle, the second inclined surface 330 and the fourth fixing surface 320 form an acute angle, the third fixing surface 310 is connected with the first fixing surface 210, the second inclined surface 330 is connected with the first inclined surface 230, the fourth fixing surface 320 is connected with the second fixing surface 220, and the second fixing hole 201 penetrates through the first inclined surface 230 and the second fixing surface 220. Wherein the first fixing plate 200 and the second fixing plate 300 are symmetrical with respect to a connecting line of the first fixing surface 210 and the third fixing surface 310.
For example, when the tendon and bone union fixture 1000 is used for fracture of the proximal end of the ulna 2000, the entire tendon and bone union fixture 1000 is fixed to the proximal end of the ulna 2000 by passing the main fixing plate 100 through the screw, at this time, the first main fixing surface 110, the first fixing surface 210 and the third fixing surface 310 are all attached to the proximal end surface of the ulna 2000, then since the first fixing surface 210 and the first inclined surface 230 form an obtuse angle, the first inclined surface 230 and the second fixing surface 220 form an acute angle, the third fixing surface 310 and the second inclined surface 330 form an obtuse angle, the second inclined surface 330 and the fourth fixing surface 320 form an acute angle, and the first fixing plate 200 is provided with the second fixing hole 201, so that the first inclined surface 230 and the second inclined surface 330 form a receiving space for receiving the ligament of the tendon and bone union, thereby preventing the tendon and bone ligament from being pressed, impacted or cut and stimulated by the tendon and bone union fixture 1000, and the tendon ligament is fixed by passing the second fixing hole 201 through the suture thread, and the tendon and bone ligament can be fixed by pulling the tendon and bone ligament through the second fixing hole 201 through the suture thread when fracture is performed. Of course, in other embodiments, the tendon and bone union anchor 1000 may also be applied to greater tuberosity avulsion fractures of the humerus, tuberosity avulsion fractures of the femur, inferior avulsion fractures of the patella, and the like.
In order to better reposition the broken bone of the tendon ligament, the second fixing plate 300 is provided with a third fixing hole 301 penetrating the second inclined surface 330 and the fourth fixing surface 320, and in this embodiment, the number of the second fixing holes 201 and the third fixing holes 301 is plural, specifically, the number of the second fixing holes 201 and the third fixing holes 301 is two.
In addition, the first inclined surface 230 and the second inclined surface 330 may be both arc structures, and the first inclined surface 230 and the second inclined surface 330 are connected to form a quarter arc, so as to further reduce the irritation to the tendon ligament.
The tendon-bone union portion fixture 1000 is further provided with a fourth fixing hole 331, and the fourth fixing hole 331 penetrates through the first inclined surface 230, the second inclined surface 330, the second fixing surface 220 and the fourth fixing surface 320, and is located at an included angle between the first inclined surface 230 and the second inclined surface 330, specifically, the included angle is an obtuse angle, although in other embodiments, the included angle may be an acute angle.
The second fixing hole 201, the third fixing hole 301 and the fourth fixing hole 331 are sequentially spaced, and the broken bone of the tendon ligament attachment portion can be reset together, it is easy to understand that in this embodiment, the diameters of the second fixing hole 201, the third fixing hole 301 and the fourth fixing hole 331 are the same and smaller than the first main fixing hole, in addition, the second fixing hole 201 is located in the middle of the first inclined plane 230, the third fixing hole 301 is located in the middle of the second inclined plane 330 and the fourth fixing hole is located in the middle of the junction between the first inclined plane 230 and the second inclined plane 330, however, in other embodiments, the second fixing hole 201 may be located on the first inclined plane 230 at a position close to one third of the second fixing plane 220, the third fixing hole 301 may be located on the second inclined plane 330 at a position close to one third of the fourth fixing plane 320, and the third fixing hole 301 may be located at a position close to one third of the junction between the first inclined plane 230 and the second inclined plane 330.
Further, in order to strengthen the fixation of the larger broken bone and to ensure that the broken bone of the tendon ligament attachment region is not displaced, the first fixing plate 200 is further provided with a first cross hole 202, the second fixing plate 300 is provided with a second cross hole 302, and the axis of the first cross hole 202 is intersected with the axis of the second cross hole 302.
Specifically, the first fixing surface 210 and the third fixing surface 310 form an included angle and are parallel to the second fixing surface 220, the third fixing surface 310 and the fourth fixing surface 320 are parallel, the first cross hole 202 penetrates through the first fixing surface 210 and the second fixing surface 220, the second cross hole 302 penetrates through the third fixing surface 310 and the fourth fixing surface 320, wherein the included angle of the first fixing surface 210 and the third fixing surface 310 can be 75 degrees to 130 degrees, the specific angle can be adjusted according to the included angle of the side surface of the bone so as to better fit the outer wall of the bone, and in other embodiments, the first fixing surface 210 and the third fixing surface 310 can be all cambered surfaces and jointly form a cambered surface so as to be used for fitting other types of fracture, such as proximal humerus fracture.
The two fixing screws can respectively penetrate through the first cross hole 202 and the second cross hole 302, and penetrate through the larger broken bones at the same time, and the two fixing screws are in a cross state so as to fix the larger broken bones, and meanwhile, the broken bones in the tendon ligament attachment area are guaranteed to be correctly reset, so that the situation that the broken bones are not shifted is avoided, and fracture healing is promoted.
In order to better make the tendon and bone union portion fixture 1000 fit the surface of the bone and enhance the fixing effect, in which the first main fixing surface 110 and the first fixing surface 210 are coplanar, the second fixing surface 220 and the second main fixing surface 120 are coplanar, the number of the first fixing holes 101 is plural, and the plurality of first fixing holes 101 are disposed on the main fixing plate 100 at intervals, specifically, in this embodiment, the number of the first fixing holes 101 is three, and the first fixing holes 101 are threaded holes.
In addition, the main fixing plate 100 is further provided with a sliding hole 102 penetrating through the first main fixing surface 110 and the second main fixing surface 120, the sliding hole 102 is spaced from the first fixing hole 101, the sliding hole 102 is elliptical, the inner wall of the sliding hole 102 is smooth, the sliding hole 102 can fix tendon ligaments through binding sutures, and meanwhile, screws can be penetrated to fix the main fixing plate 100 and bones together.
Referring to fig. 3, prior to performing a fracture reduction operation, it may be determined by preoperative imaging on which side of the bone is proximal to the ulna 2000, the first fixation surface 210 and the third fixation surface 310 correspond to adjacent first ulna side 2100 and second ulna side 2200 at the proximal end of the ulna 2000, specifically, the bone joint fixator 1000 is mounted at the proximal end of the ulna 2000 approximately 2-3 cm from the top of the proximal end, and in other embodiments, the second fixation surface 220 and the second primary fixation surface 120 of the bone joint fixator 1000 may also be attached to the second ulna side 2200 for fracture fixation for different fracture conditions.
When the tendon and bone joint fixator 1000 is applied to proximal comminuted fracture of ulna 2000, firstly, the suture thread is pre-threaded on the tendon ligament through the second fixing hole 201, the third fixing hole 301 and the fourth fixing hole 331, and the tendon and bone joint fixator 1000 is temporarily fixed by adopting a bone round needle, the tendon ligament is fixed by adjusting the suture thread, and the broken bone connected with the tendon ligament is pulled to reset, meanwhile, the temporary fixation is performed by threading the screw through the sliding hole 102, after a series of fracture resetting work is completed, the screw on the firm sliding hole 102 is fixed, then the screw on the first crossing hole 202 and the second crossing hole 302 is fixed, finally, the suture thread on the tendon ligament is tightened, if the screw on the sliding hole 102 is also required to be adjusted, the fine adjustment is performed on the tendon and bone joint fixator 1000, and finally the screw on the first fixing hole 101 on the main fixing plate 100 is fastened, and further the resetting fixation of proximal ulna 2000 is completed.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A tendon-bone union anchor, comprising:
a main fixing plate (100), wherein the main fixing plate (100) is provided with a first main fixing surface (110) and a second main fixing surface (120) which are opposite, and the main fixing plate (100) is provided with a first fixing hole (101) penetrating through the first main fixing surface (110) and the second main fixing surface (120);
the first fixing plate (200), the first fixing plate (200) has a first fixing surface (210), a first inclined surface (230) and a second fixing surface (220), the first main fixing surface (110), the first fixing surface (210), the first inclined surface (230), the second fixing surface (220) and the second main fixing surface (120) are sequentially connected, the first fixing surface (210) and the first inclined surface (230) are obtuse angles, the first inclined surface (230) and the second fixing surface (220) are acute angles, and the first fixing plate (200) is provided with a second fixing hole (201); and
the second fixing plate (300), the second fixing plate (300) is provided with a third fixing surface (310), a second inclined surface (330) and a fourth fixing surface (320) which are sequentially connected, the third fixing surface (310) and the second inclined surface (330) form an obtuse angle, the second inclined surface (330) and the fourth fixing surface (320) form an acute angle, the third fixing surface (310) is connected with the first fixing surface (210), the second inclined surface (330) is connected with the first inclined surface (230), and the fourth fixing surface (320) is connected with the second fixing surface (220);
the second fixing hole (201) penetrates through the first inclined surface (230) and the second fixing surface (220);
the second fixing plate (300) is provided with a third fixing hole (301) penetrating through the second inclined surface (330) and the fourth fixing surface (320), the first inclined surface (230) and the second inclined surface (330) are connected in an included angle, the tendon-bone joint part fixator is also provided with a fourth fixing hole (331), and the fourth fixing hole (331) penetrates through the first inclined surface (230), the second inclined surface (330), the second fixing surface (220) and the fourth fixing surface (320) and is positioned at the included angle of the first inclined surface (230) and the second inclined surface (330);
the second fixing holes (201), the third fixing holes (301) and the fourth fixing holes (331) are sequentially spaced.
2. The tendon-bone union point fixator of claim 1 wherein the first fixation plate (200) is further provided with a first cross hole (202) and the second fixation plate (300) is provided with a second cross hole (302), the axes of the first cross hole (202) and the second cross hole (302) intersecting.
3. The tendon-bone union anchor as claimed in claim 2, characterized in that the first and third anchor surfaces (210, 310) are angled and parallel to the second anchor surface (220), the third and fourth anchor surfaces (310, 320), the first cross-over hole (202) extending through the first and second anchor surfaces (210, 220), and the second cross-over hole (302) extending through the third and fourth anchor surfaces (310, 320).
4. The tendinous bone union site fixator of claim 1, wherein the first major fixation surface (110) and the first fixation surface (210) are coplanar and the second fixation surface (220) and the second major fixation surface (120) are coplanar.
5. The tendon and bone union anchor as claimed in claim 1, characterized in that the first and second fixation plates (200, 300) are symmetrical about the line connecting the first and third fixation surfaces (210, 310).
6. The tendon and bone union point fixator of claim 1 wherein the number of first fixation holes (101) is plural, with a plurality of first fixation holes (101) being spaced apart on the main fixation plate (100).
7. The tendon-bone union anchor as claimed in claim 1, characterized in that the main fixing plate (100) is further provided with a sliding hole (102) penetrating the first main fixing surface (110) and the second main fixing surface (120), the sliding hole (102) being spaced from the first fixing hole (101).
8. The tendon-bone union point fixator of claim 1 wherein the second fixation aperture (201) is smaller in diameter than the first fixation aperture (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210127900.7A CN114469302B (en) | 2022-02-11 | 2022-02-11 | Tendinous bone joint part fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210127900.7A CN114469302B (en) | 2022-02-11 | 2022-02-11 | Tendinous bone joint part fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114469302A CN114469302A (en) | 2022-05-13 |
| CN114469302B true CN114469302B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210127900.7A Active CN114469302B (en) | 2022-02-11 | 2022-02-11 | Tendinous bone joint part fixer |
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Effective date of registration: 20241009 Address after: Unit 3, Unit 7, Building 611, Shuguang Community, Pingyuan Road, Beiguan District, Anyang City, Henan Province 455000 Patentee after: Anyang Yongniu Technology Co.,Ltd. Country or region after: China Address before: 455000 No.7, unit 3, building 611, yard 6, Pingyuan Road, Beiguan District, Anyang City, Henan Province Patentee before: Zhang Yongfei Country or region before: China |