Visible osteophyte curettage device for knee joint replacement

Abstract

The invention belongs to the technical field of surgical and medical equipment, and particularly relates to a visible osteophyte scraping device for knee joint replacement. The visible osteophyte scraping device for knee joint replacement comprises a knife rest, a handle, scraping knifes and secondary knife brackets; the secondary knife brackets are symmetrically arranged at the two ends of the knife rest; a slide knife slot is formed in the knife rest; secondary knife regulating slide paths are arranged on the secondary knife brackets; the secondary knife brackets are connected with the knife rest through threaded fastening and regulating buckles; joints of the secondary knife brackets and the knife rest are equipped with limiting arms; end parts of the two secondary knife brackets are symmetrically equipped with threaded supporting and fastening shafts; a handle is arranged on the knife rest; and the plurality of scraping knives are arranged on the knife rest and the secondary knife brackets through connecting arms and fastening nuts separately. The visible osteophyte scraping device for knee joint replacement has the beneficial effects of being simple to operate, convenient to use, saving operation time and bringing convenience to operation of a doctor.

Description

technical field [0001] The invention belongs to the technical field of surgical medical instruments, and in particular relates to a device for scraping visible osteophytes in knee joint replacement. Background technique [0002] Total knee arthroplasty has become a common operation to solve severe knee joint lesions in clinical practice. It is mainly used for patients with severe knee joint pain, instability, deformity, severe limitation of activities of daily life, and conservative treatment is ineffective or the effect is not significant. Common diseases include the following categories: osteoarthritis, rheumatoid arthritis, traumatic arthritis, systemic lupus erythematosus arthritis, and psoriatic arthritis. If patients suffering from the above diseases have: (1) X-ray changes of knee joint destruction; (2) moderate to severe persistent pain; (3) long-term conservative treatment without substantial improvement, the three In this case, artificial total knee replacement mu...

AI Technical Summary

Problems solved by technology

If patients suffering from the above diseases have: (1) X-ray changes of knee joint destruction; (2) moderate to severe persistent pain; (3) long-term conservative treatment without substantial improvement, the three In this case, artificial total knee replacement must be considered. During the operation of artificial total knee replacement, the doctor needs to remove the visible osteophytes after cutting the bone according to the osteotomy mold. However, there is no such thing in clinical operations at present. The osteophyte removal device dedicated to the knee joint increases the doctor's workload, prolongs the operation time, and brings inconvenience to the doctor's operation process

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