Electric acetabular osteophyte excider

Abstract

The invention discloses an electric acetabular osteophyte excider. The electric acetabular osteophyte excider comprises a driver, a working rod, a saw blade and an attaching cup, wherein a positioninggroove is arranged in the attaching cup; the lower end of the working rod is inserted into the positioning groove for positioning; the working rod is fixed to the driver; the saw blade is arranged onthe working rod in a sleeving mode and can move on the working rod; the saw blade is locked and positioned through a locking device; the lower end surface of the saw blade is attached to the upper end surface of the attaching cup; the driver drives the working rod to rotate in a reciprocating mode; and the working rod drives the saw blade to swing back and forth to cut osteophyte. The electric acetabular osteophyte excider provided by the invention can guarantee that an incision is flat and smooth, can effectively avoid too large and too deep incision, guarantees excessive incision from generation, and does not need grooving in the using process.

Description

technical field [0001] The invention relates to the technical field of acetabular osteophyte resection, in particular to an electric acetabular osteophyte excision device. Background technique [0002] As the aging population intensifies, hip osteoarthritis is more and more common, and hip replacement is the ultimate solution to problems such as hip pain. Total hip replacement is a common clinical operation. In severe hip osteoarthritis, especially in patients with congenital acetabular dysplasia, severe osteophytes often form around the acetabulum. Carefully remove these bones. Surgical treatment is an important step in the operation and an important link to ensure the success of the operation. [0003] The traditional way of cleaning is often: use a bone knife or an oscillating saw to cut off multiple segments of vertical acetabular osteophytes, and then use a bone knife to eradicate or rongeur to bite off the hypertrophic osteophytes separated by the grooves. These meth...

AI Technical Summary

Problems solved by technology

These methods can easily cause acetabular splitting and damage to the integrity of the acetabulum, resulting in poor press fit and fixation of the acetabular cup prosthesis, failure of the operation, and increased risk of postoperative prosthesis loosening; Too much superfluous resection will result in incomplete coverage of the acetabular cup prosthesis, which increases the risk of prosthesis loosening; if the strength operation is not properly grasped, the lateral soft tissue of the anterior and posterior walls of the acetabular wall will be severely damaged due to excessive swing range, and even Injury to the posterior sciatic nerve may

In addition, the edge of the acetabular resection by these methods is often uneven, and the acetabular edge needs to be polished again; due to repeated grooves during the operation, the workload of the operation is increased, the operation time is prolonged, and the risk of surgical infection is increased.

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