CN106983552B - T-shaped buckling arm microplate device - Google Patents
T-shaped buckling arm microplate device Download PDFInfo
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- CN106983552B CN106983552B CN201710352096.1A CN201710352096A CN106983552B CN 106983552 B CN106983552 B CN 106983552B CN 201710352096 A CN201710352096 A CN 201710352096A CN 106983552 B CN106983552 B CN 106983552B
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- arm
- locking
- connecting plate
- microplate
- encircling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—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, e.g. tourniquets
- A61B2017/00831—Material properties
Abstract
The embodiment of the invention provides a T-shaped buckling arm microplate device, which comprises a connecting plate and a pair of encircling arms positioned at one end of the connecting plate, wherein one end of each encircling arm is fixedly connected to the connecting plate, the other end of each encircling arm is a free end, the two free ends are oppositely arranged, and the two free ends encircle a backbone at one side of a fracture part; and one end, far away from the encircling arm, of the connecting plate is provided with a non-threaded locking hole, and the locking nail is nailed into a bone close to the fracture part through the non-threaded locking hole.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a T-shaped buckling arm microplate device.
Background
Fracture refers to the complete or partial fracture of the continuity of the bone structure, and is common in children and the elderly. In the prior art, in the treatment of phalangeal fracture, a micro plate nail is generally adopted to fix a fracture part. However, when the micro plate nail is used for treating phalangeal fracture, the operation is complex, and the problem of stability deficiency caused by screw fracture or screw thread failure easily occurs. In addition, because the small plate connecting plate is provided with a plurality of nail holes, the small plate in the fracture area is easy to break, thereby affecting the treatment effect.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a T-shaped buckling arm microplate device which can provide stable connection for fractured phalanges.
The embodiment of the invention provides a T-shaped buckling arm microplate device, which comprises a connecting plate and a pair of encircling arms positioned at one end of the connecting plate, wherein one end of each encircling arm is fixedly connected to the connecting plate, the other end of each encircling arm is a free end, the two free ends are oppositely arranged, and the two free ends encircle a backbone at one side of a fracture part; the one end that keeps away from on the connecting plate embraces the arm sets up no screw thread locking hole, and the locking nail passes through no screw thread locking hole is nailed in the bone that is close to fracture department optionally, be close to on the connecting plate and embraces arm one side and set up screw thread locking hole, the locking nail passes through screw thread locking hole will T word knot arm microplate device and backbone fixed connection, the peripheral diameter of the edge of screw thread locking hole is greater than the width of connecting plate.
Optionally, the threaded locking hole forms a spatial equilateral triangle with the two points of contact of the ends of the two free ends of the encircling arm and the backbone.
Optionally, a fastener is arranged on one side, close to the encircling arm, of the connecting plate, one end of the fastener is fixedly connected to the connecting plate, and the other end of the fastener forms a bulge towards a backbone to be fastened.
Optionally, the number of the unthreaded locking holes is three, and the unthreaded locking holes are distributed in a triangle shape and are matched with three locking nails.
Optionally, at least one pair of anti-slip recesses is arranged on the connecting plate.
Optionally, the material of the connection plate includes: a metal material or a medical polymer material.
Optionally, the material of the connection plate includes: a metal material, a medical polymer material or a composite medical material prepared by compounding a nonmetallic inorganic medical material.
Optionally, the metallic material comprises a titanium alloy, stainless steel, or a memory alloy.
Optionally, the medical polymer material comprises a biodegradable medical polymer material or a non-degradable medical polymer material.
Optionally, the biodegradable medical polymer material comprises polylactic acid, poly epsilon-caprolactone, polyglycolide, polytrimethylene carbonate, polydioxanone or polyethylene glycol, or a copolymer or blend of various biodegradable medical polymer materials, collagen, linear aliphatic polyester, chitin, cellulose or polyamino acid.
Optionally, the non-degradable medical polymer material comprises polyethylene, polypropylene, polyacrylate, polyvinyl alcohol, aromatic polyester, polysiloxane, polyoxymethylene or polyether ether ketone.
Optionally, the non-metallic inorganic medical material comprises hydroxyapatite or tricalcium phosphate.
According to the T-shaped buckling arm microplate device provided by the embodiment of the invention, the connecting plate is combined with the encircling arms and the locking nails, and the T-shaped buckling arm microplate device is fixedly connected with two sides of a fracture part, so that the fractured phalanges can be stably connected.
Drawings
FIG. 1 is a schematic diagram of a T-shaped arm microplate assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a T-shaped arm microplate assembly according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a T-shaped arm microplate assembly according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of a T-shaped arm microplate assembly according to one embodiment of the present invention applied to phalangeal fractures;
FIG. 5 is a schematic diagram of a T-shaped arm microplate assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a T-shaped arm microplate assembly according to one embodiment of the present invention applied to phalangeal fractures;
FIG. 7 is a schematic diagram of a T-shaped arm microplate assembly according to another embodiment of the present invention applied to phalangeal fractures;
reference numerals:
1. a connecting plate; 2. encircling the arm; 3. a threadless locking hole; 4. a threaded locking hole; 5. fracture site; 6. refers to bone; 7. phalangeal bodies; 8. a phalanx bottom; 9. an anti-slip recess; 10. a threaded locking pin; 11. locking the nail; 12. a fastener.
Detailed Description
According to the T-shaped buckling arm microplate device provided by the embodiment of the invention, the connecting plate is combined with the encircling arms and the locking nails, and the T-shaped buckling arm microplate device is fixedly connected with two sides of a fracture part, so that the fractured phalanges can be firmly connected.
The following describes the specific implementation of the embodiments of the present invention with reference to the drawings.
Fig. 1 is a schematic structural diagram of a T-shaped buckling arm microplate device according to an embodiment of the present invention, where the T-shaped buckling arm microplate device according to the embodiment of the present invention includes a connection board 1 and a pair of encircling arms 2 located at one end of the connection board, one end of each encircling arm is fixedly connected to the connection board, the other end is a free end, and the two free ends are oppositely disposed, and the two free ends are through the backbone of one side of the fracture embraced by the two free end rings; the connecting plate 1 is provided with a thread locking hole at one end far away from the encircling arm 2, and a locking nail is nailed into a bone close to the fracture part through the thread locking hole.
Referring to fig. 2, in the T-shaped buckling arm microplate device according to the present invention, on the basis of the T-shaped buckling arm microplate device shown in fig. 1, a threaded locking hole 4 may be disposed on a side of the connecting plate 1, which is close to the encircling arm 2, and the threaded locking hole 4 forms a space equilateral triangle with two contact points between the two ends of two free ends of the encircling arm and the backbone.
In addition, in order to ensure stable grasping of the backbone by the two encircling arms, the vertical distance between the contact points of the free ends of the two encircling arms and the backbone and the connecting plate should be larger than the distance between the connecting plate and the axis of the backbone.
The locking nail can fixedly connect the T-shaped buckling arm microplate device with the backbone through the threaded locking hole 4.
In order to ensure the strength of the connection plate, the connection plate is prevented from being broken at the screw lock hole 4, the connection plate is widened at the edge of the screw lock hole 4, and as shown in fig. 4, the peripheral diameter of the edge of the screw lock hole 4 is larger than the width of the connection plate 1.
Referring to fig. 3, in the T-shaped buckling arm microplate device according to the present invention, on the basis of the T-shaped buckling arm microplate device shown in fig. 1, a fastener 12 may be further disposed on a side of the connecting plate 1, which is close to the encircling arm 2, and the fastener 12 and the plate body 1 may be integrally formed. One end of the fastener 12 is fixedly connected to the connecting plate, and the other end forms a bulge towards the backbone to be fastened. In practical application, holes can be drilled in the backbone to be fastened, so that the T-shaped buckling arm microplate device is installed.
Referring to fig. 1, fig. 2 or fig. 3, in an embodiment of the present invention, three unthreaded locking holes 3 may be arranged in a triangle, and three locking nails are adapted, so that the connection between the T-shaped buckle arm microplate device and a bone near a fracture site may be more stable.
In the T-shaped buckle arm microplate device provided by an embodiment of the present invention, the material of the connection board 1 may include: a metal material or a medical polymer material.
The metallic material includes a titanium alloy, stainless steel, or a memory alloy.
The medical polymer material comprises biodegradable medical polymer materials such as polylactic acid, poly epsilon-caprolactone, polyglycolide, poly trimethylene carbonate, poly p-dioxanone, polyethylene glycol, or copolymers, blends and the like thereof, collagen, linear aliphatic polyester, chitin, cellulose, polyamino acid and the like.
The medical polymer material also comprises non-degradable medical polymer materials such as polyethylene, polypropylene, polyacrylate, polyvinyl alcohol, aromatic polyester, polysiloxane, polyoxymethylene, polyether ether ketone and the like.
In addition, the medical composite material also comprises a composite medical material prepared by compositing the above materials with a nonmetallic inorganic medical material, such as hydroxyapatite, tricalcium phosphate and the like.
According to the T-shaped buckling arm microplate device provided by the embodiment of the invention, the connecting plate is combined with the encircling arms and the locking nails, and the T-shaped buckling arm microplate device is fixedly connected with the bone side and the diaphysis side of a fracture part, so that the fractured phalanges can be stably connected.
Phalangeal fracture is a common disease source in hand and foot surgery clinic, and poor healing can affect hand functions, so fracture reduction healing and recovery of knuckle functions are very important.
Fig. 4 is a schematic diagram of an application of the T-arm microplate device according to one embodiment of the invention in treating phalangeal fractures. The fracture occurs on the phalangeal body 7, near the phalangeal base 8. The connecting plate 1 is attached to the phalangeal body 7, a pair of encircling arms 2 at one end of the connecting plate 1 encircle the diaphysis at the upper side of the fracture part 5, and three locking nails can be nailed into the phalangeal bottom 8 through three unthreaded locking holes 3 which are arranged in a triangular shape at the lower side of the fracture part 5.
According to the T-shaped buckling arm microplate device provided by the embodiment of the invention, the connecting plate is combined with the encircling arms and the locking nails, and the T-shaped buckling arm microplate device is fixedly connected with the phalangeal body 7 on one side of the fracture and the phalangeal bottom 8 on the other side of the fracture, so that the phalangeal bone with the fracture can be firmly connected.
Fig. 5, 6 and 7 are schematic views showing an application of a T-shaped arm microplate device according to another embodiment of the present invention in treating phalangeal fractures.
As shown in fig. 5, the fracture occurs on the phalangeal body 7, near the phalangeal bone 6. The connecting plate 1 is attached to the phalangeal body 7, and a pair of encircling arms 2 at one end of the connecting plate 1 encircle the diaphysis at the lower side of the fracture part 5, as shown in fig. 6, the threaded locking nail 10 can connect the T-shaped buckling arm microplate device with the phalangeal body 7 through the threaded locking hole 4. On the upper side of the fracture 5, three locking nails 11 are driven into the finger bone 6 through the unthreaded locking holes 3.
The three unthreaded locking holes 3 are arranged in a triangle, and are adapted to three locking nails 11. In order to make the connection of the T-shaped clasp arm microplate device and the phalanges more stable, the three locking nails 11 can be nailed into the phalanges in a space-crossing manner, as shown in fig. 7, two locking nails 11 are parallel to each other, two locking nails 11 are nailed into the phalanges 6 obliquely downwards from the unthreaded locking holes 3 positioned above, and the other locking nail 11 is nailed into the phalanges 6 obliquely upwards from the unthreaded locking holes 3 positioned below; alternatively, of the three locking nails 11, two locking nails 11 are parallel to each other, nail into the phalangeal bone 6 perpendicularly to the connection plate 1 from the unthreaded locking hole 3 located above, and the other locking nail 11 is obliquely nail into the phalangeal bone 6 upwardly from the unthreaded locking hole 3 located below, and may form an angle of 45 ° with the connection plate 1.
According to the T-shaped buckling arm microplate device provided by the embodiment of the invention, the connecting plate is combined with the encircling arms and the locking nails, and the T-shaped buckling arm microplate device is fixedly connected with the phalangeal body 7 on one side of the fracture and the phalangeal head on the other side of the fracture, so that the phalangeal bone with the fracture can be firmly connected.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. The T-shaped buckling arm microplate device is characterized by comprising a connecting plate and a pair of encircling arms positioned at one end of the connecting plate, wherein one end of each encircling arm is fixedly connected to the connecting plate, the other end of each encircling arm is a free end, the two free ends are oppositely arranged, and the two free ends are used for encircling a backbone at one side of a fracture part; one end, far away from the encircling arm, of the connecting plate is provided with three unthreaded locking holes which are distributed in a triangle shape and are matched with three locking nails; the locking nail is nailed into the bone near the fracture through the unthreaded locking hole, and the joint part of the locking nail and the unthreaded locking hole is unthreaded; two of the three locking nails are parallel to each other, two of the locking nails are obliquely nailed into the finger bone obliquely downwards from the unthreaded locking hole positioned above, and the other locking nail is obliquely nailed into the finger bone upwards from the unthreaded locking hole positioned below; alternatively, two of the locking nails are driven into the phalangeal bone perpendicularly to the connecting plate from the unthreaded locking hole located above, and the other locking nail is driven into the phalangeal bone obliquely upward from the unthreaded locking hole located below; a screw locking hole is formed in one side, close to the encircling arm, of the connecting plate, and the T-shaped buckling arm microplate device is fixedly connected with the phalangeal body through the screw locking hole by screw locking nails.
2. The T-arm microplate assembly of claim 1, wherein the peripheral diameter of the edge of the threaded locking hole is greater than the width of the web.
3. The T-arm microplate assembly of claim 2, wherein the threaded locking holes and two points of contact of the two free ends of the embracing arms with the backbone form a spatial equilateral triangle.
4. The T-arm microplate assembly of claim 1, wherein a fastener is disposed on the connection plate on a side thereof adjacent to the embracing arm, one end of the fastener is fixedly connected to the connection plate, and the other end of the fastener is formed to protrude toward a backbone to be fastened.
5. The T-arm microplate assembly of claim 1, wherein said web is provided with at least one pair of anti-slip recesses.
6. The T-clip arm microplate assembly of claim 1, wherein the material of the web comprises: a metal material, a medical polymer material or a composite medical material prepared by compounding a nonmetallic inorganic medical material.
7. The T-clip arm microplate assembly of claim 6, wherein said metallic material comprises a titanium alloy, stainless steel or a memory alloy.
8. The T-arm microplate assembly of claim 6, wherein the medical polymer material comprises a biodegradable medical polymer material or a non-degradable medical polymer material.
9. The T-arm microplate device of claim 8, wherein the biodegradable medical polymer material comprises polylactic acid, polyepsilon caprolactone, polyglycolide, polytrimethylene carbonate, polydioxanone or polyethylene glycol, or copolymers or blends of various biodegradable medical polymer materials, collagen, linear aliphatic polyesters, chitin, cellulose, or polyamino acids.
10. The T-arm microplate assembly of claim 8, wherein said non-degradable medical polymer material comprises polyethylene, polypropylene, polyacrylate, polyvinyl alcohol, aromatic polyester, polysiloxane, polyoxymethylene or polyetheretherketone.
11. The T-arm microplate assembly of claim 6, wherein said non-metallic inorganic medical material comprises hydroxyapatite or tricalcium phosphate.
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CN201710352096.1A CN106983552B (en) | 2017-05-18 | 2017-05-18 | T-shaped buckling arm microplate device |
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CN201710352096.1A CN106983552B (en) | 2017-05-18 | 2017-05-18 | T-shaped buckling arm microplate device |
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CN106983552A CN106983552A (en) | 2017-07-28 |
CN106983552B true CN106983552B (en) | 2023-06-20 |
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CN107501624A (en) * | 2017-09-14 | 2017-12-22 | 南通荣成医药化工有限公司 | A kind of pharmaceutical packaging bag |
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FR2668360A1 (en) * | 1990-10-25 | 1992-04-30 | Armor | Device for the osteosynthesis of an upper or stepped fracture of the femur |
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