New 3D-Printed gizmo could help surgeons get your new knee just right
NCT ID NCT06654661
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study will test a new 3D-printed mechanical balancer in 50 people undergoing total knee replacement. The device measures force differences on the inner and outer sides of the knee during surgery to help surgeons see if the knee is balanced. The tool is used alongside standard care and does not change treatment decisions. The goal is to see if the device works well in a real surgical setting.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- 3D-printed mechanical balancer (device)
- What this could lead to
- If successful, this device could help surgeons better measure knee balance during surgery, potentially improving outcomes for knee replacement patients.
- What could go wrong
- This is a small pilot study with only 50 patients, and the device is not guiding treatment decisions. It may not show clear benefits or lead to changes in surgical practice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Surgical candidates undergoing primary TKA Exclusion Criteria: * Patient is unable to provide written consent
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Get notified about this study
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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NYU Langone Health
New York, New York, 10016, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Prepping the knee before surgery: a new approach to better recovery
- Which nerve drug wins the battle against Post-Surgical knee pain?
- Can a single steroid dose transform knee replacement recovery?
- Can the right anesthesia get knee replacement patients moving faster?
- Can relaxation exercises boost recovery after knee replacement?