Use of digital protractor to determine intra-operative knee extension angle during total knee arthroplasty

Determine intra-operative extension angle during total knee arthroplasty by digital protractor

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

TCTR

Registry ID

TCTR20180828002

Enrollment

100

Registered

2018-08-28

Start date

2018-01-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

knee extension angle knee extension angle&#44

Interventions

knee extension angle measurement by digital protractor,knee extension angle measurement by computer navigation

Experimental Procedure/Surgery,Active Comparator Procedure/Surgery

our device and digital protractor,computer navigation

Eligibility

Sex/Gender

All

Age

50 Years to 75 Years

Inclusion criteria

Inclusion criteria: adult patients with knee osteoarthritis that require TKA

Exclusion criteria

Exclusion criteria: severe osteoporosis

Design outcomes

Primary

Measure	Time frame
knee extension angle intraoperatively computer navigation	—

Secondary

Measure	Time frame
N/A N/A N/A	—

Countries

Thailand

Contacts

Public ContactAnuwat Pongkunakorn

Department of Orthopaedic Surgery, Lampang Hospital

dranuwat@hotmail.com054-237400

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Use of digital protractor to determine intra&#45;operative knee extension angle during total knee arthroplasty