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Patellar fracture fixation splint

A technology for fixing splints and patella fractures, applied in the direction of fixators, internal fixators, and internal bone synthesis, can solve the problems of internal fixation such as lack of integrity, high technical requirements, and general firmness, and achieve good mechanical stability. Promoting growth and healing, easy to use and operate

Inactive Publication Date: 2014-12-03
封启明 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] These methods have the disadvantages of cumbersome operation, high technical requirements, lack of integrity of each internal fixation, and general firmness.

Method used

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  • Patellar fracture fixation splint
  • Patellar fracture fixation splint
  • Patellar fracture fixation splint

Examples

Experimental program
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Effect test

Embodiment Construction

[0013] The present invention will be further described now in conjunction with accompanying drawing

[0014] A splint for patella fracture fixation, including connecting nails, the structure of which is: the connecting nails are screws, and the screws pass through the screw holes on the ring-shaped plastic steel plate surrounding the fractured patella, and are fastened and screwed together according to the fracture line 6 on the fractured patella 5; the patella is surrounded by femur 10, tibia 11, and fibula 12; Hole 2 for screw 1.

[0015] The thickness is unevenly distributed, and the thickness of the concave part is 1mm; the thickness of the convex part is 2mm.

[0016] The annular shapeable steel strip 3 is made of light titanium alloy.

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Abstract

The invention provides a patellar fracture fixation splint, belongs to the medical treatment and public health technology, and relates to the field of the department of orthopaedics, in particular to a patellar fracture fixation technology. The patellar fracture fixation splint comprises connecting nails and is characterized in that the connecting nails adopts screws, and the screws penetrate through screw holes in an annular shaping steel plate belt surrounding fractured patella and are tightly screwed on the fractured patella fit according to a fracture line; the femur, the tibia and the fibula surround the patella; the annular shaping steel plate belt bends like the patella and has alternate concave-convex distribution thicknesses, and the holes allowing penetration of the screws are formed in convex parts. The patellar fracture fixation splint has the benefits that good mechanical stability is achieved, and functional exercise of a patient is facilitated; the integrity of the annular structure is high, and the splint is suitable for fracture fixation of multiple patellae and has a large application range; blood supply influence on the patella surface is reduced due to the alternate concave-convex design, growth and union are promoted, and foreign body sensation of the patient is reduced; and the splint is convenient to use and operate.

Description

technical field [0001] It belongs to medical and health technology, and relates to the field of orthopedics, specifically about the fixation technology of patella fracture. Background technique [0002] Currently, the following methods are commonly used for fixing patellar fractures: cerclage fixation method: use 18-28 stainless steel wires, guided by a thick round needle, close to the patellar border and suture a circle in the surrounding soft tissue, then reset the patellar fracture, and place the steel wire Gradually tighten and tighten. This method is relatively simple, and the fixation is relatively complete, but it is prone to angular deformity, and is generally suitable for fractures with less displacement or comminuted fractures that can still be reduced; through-fixation method: use a 2mm drill on the proximal fracture fragment Drill a tunnel on the inner and outer sides of 1cm, perpendicular to the longitudinal axis of the patella; use the same method to drill a t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/68
CPCA61B17/683
Inventor 李立柴益民吴蔚
Owner 封启明
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