Robot Knot-Tier tested in heart surgery
NCT ID NCT03681834
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study collected information from multiple hospitals on the Cor-Knot® device, which automatically ties knots during heart valve surgery. The goal was to see how safe and effective it is. Over 550 adults having planned valve surgery took part. The main focus was on whether leaks developed around the new valve.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Cor-Knot® automated knotting device
What this could lead to
If the data show the device is safe and effective, it could support wider use to shorten surgery times.
What could go wrong
This is an observational data collection, not a controlled trial, so it cannot prove the device is better than standard methods. Results may not apply to all patients.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Chu Dijon Bourogne
Dijon, 21000, France