Tibia intramedullary nail sleeve tube device used for suprapatellar approach

Abstract

The invention discloses a tibia intramedullary nail sleeve tube device used for a suprapatellar approach. The device comprises a guiding needle protecting sleeve tube, a positioning guiding outer sleeve, a connecting head and a flushing tube, wherein the surface of the guiding needle protecting sleeve tube is a cylindrical tube-shaped structure with a smooth surface, the positioning guiding outersleeve comprises a sleeve tube body, a connecting locking mechanism is arranged on the tail part of the sleeve tube body, and the connecting locking mechanism is fixed to the connecting head; a through hole is radially formed in the connecting head, and a clamping groove which matches with the connecting locking mechanism is formed in the front end, and the flushing pipe is connected with the through hole of the connecting head. By the arrangement of the device, the embedding of the intramedullary nail can be conveniently, rapidly and accurately conducted to reduce the time spending in surgical operation, and a needle inlet point can be accurately found.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a sleeve device for tibial intramedullary nailing in suprapatellar approach. Background technique [0002] In recent years, the application of intramedullary nails in the treatment of tibial shaft fractures has become the first choice for orthopedic surgeons due to the advantages of minimally invasive, high fixation strength, and immediate postoperative mobility. Currently, there are mainly two surgical approaches for intramedullary nailing in the treatment of tibial fractures: the infrapatellar approach and the suprapatellar approach. The infrapatellar approach has the advantages of less trauma, simple operation, and easy acceptance by patients. It is widely used in clinical practice, but it is difficult to maintain an ideal position during the operation. There are certain deformities, and intraoperative perspective is difficult. . As a novel surgical approach, the suprapatell...

AI Technical Summary

Problems solved by technology

Due to the small size of Chinese people and the small space of the patella, there will be greater resistance when inserting the protective jacket during the operation, which may cause iatrogenic damage to the intra-articular structure and affect the placement of the positioning guide pin, increasing the operation time

(2) The existing protective coat on the market is round, while the patellofemoral joint is V-shaped, and the two do not match very well in terms of shape

However, the surgical channel of the suprapatellar approach is a relatively closed environment, unlike open surgery such as knee replacement, which can be thoroughly washed

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