Automated surgical implant sewing system and method
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United States of America Patent
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Sep 20, 2011
Grant Date -
Feb 14, 2008
app pub date -
Jul 31, 2006
filing date -
Jul 31, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for assembling a prosthetic heart valve, including a procedure for sewing fabric around a heart valve support stent. The system includes a support stent handling component that works in conjunction with a sewing machine component. The sewing machine has a bobbin, and the system includes a non-contact sensor to monitor the passage of a needle thread loop over the bobbin. The sensor may be a monitoring laser, and a controlling processor receives information therefrom for 100% real-time inspection of each stitch. The occurrence of an unsuccessful stitch may prompt the processor to repeat the stitch at a slower speed. The automation of the fabric sewing procedure greatly enhances manufacturing throughput and reduces ergonomic strain on workers.
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