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Comparison of the accuracy of acetabular component positioning in primary total hip athroplasty between robotic arm-assisted system and conventionally manual control: a prospective, randomized, controlled, observer-blinded study

Comparison of the accuracy of acetabular component positioning in primary total hip athroplasty between robotic arm-assisted system and conventionally manual control: a prospective, randomized, controlled, observer-blinded study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200060608
Enrollment
Unknown
Registered
2022-06-05
Start date
2022-06-01
Completion date
Unknown
Last updated
2024-05-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

End-stage hip disease

Interventions

A:robotic arm-assisted system THA
B:conventionally manual THA

Sponsors

West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Age 18 to 80; 2.Primary total hip arthroplasty; 3.Willing to participate and sign informed consent.

Exclusion criteria

Exclusion criteria: 1.Neuromuscular insufficiency; 2.Active infection of the hip or other parts of the body; 3.Ankylosis or severe rigidity,DDH CROWE Type ? or ?; 4.Bilateral hip replacement,or contralateral hip replacement expected within 1 year after surgery; 5.ASA rating is greater than 3; 6.Patients with poor compliance; 7.Pregnant or breastfeeding.

Design outcomes

Primary

MeasureTime frame
Anteversion of cup;Abduction of cup;Accuracy of acetabular cup position;—

Secondary

MeasureTime frame
Percentage of acetabular cup position in safe zone;Leg length discrepancy;Global offset difference;Horizontal distance of center of rotation;Vertical distance of center of rotation;—

Countries

China

Contacts

Public ContactZongke Zhou

West China Hospital of Sichuan University

zhouzongke@scu.edu.cn+86 18980601028

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026