total knee arthroplasty
Conditions
Interventions
Test group:Use disposable sterile sheath guard saw blade
Control group:Use disposable sterile bone saw blade
Sponsors
Hebei Medical University Third Hospital
Eligibility
Sex/Gender
All
Age
50 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1.Age range of 50-75 years old (including threshold), regardless of gender; 2.Patients who require total knee arthroplasty (TKA) for the first time; 3.Voluntarily participate in clinical trials and sign an informed consent form before the start of the trial;
Exclusion criteria
Exclusion criteria: 1.Researchers have determined that there are surgical contraindications, such as severe systemic diseases (severe heart disease, respiratory system disease, coagulation dysfunction or undergoing anticoagulant therapy, acute systemic inflammation stage, etc.), and those who cannot tolerate anesthesia; 2.Merge severe osteoporosis, metabolic bone disease, and radiation bone disease; 3.Individuals with local or systemic infections of the knee joint; 4.Patients undergoing TKA for acute reasons, such as fractures or injuries; 5.Individuals with cognitive impairment or abnormal mental state who are unable to provide informed consent; 6.Other situations deemed unsuitable by researchers to participate in the study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Depth of thermal injury on the osteotomy surface (distal femur, tibial plateau); | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to completion of osteotomy;Osteotomy flatness;The highest temperature in the osteotomy facebook;Performance score;Pain VAS score;Postoperative complication rate; | — |
Countries
China
Contacts
Public ContactYingze Zhang
Hebei Medical University Third Hospital
Outcome results
None listed