Fenestrated graft press cutting die assembly
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United States of America Patent
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Oct 23, 2018
Grant Date -
Oct 4, 2018
app pub date -
Mar 31, 2017
filing date -
Mar 31, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An assembly and method of forming a press cutting die assembly that is configured to perforate a tissue graft blank during cutting of the blank from a bulk graft material. The press cutting die assembly includes a frame, a perimeter blade, and a plurality of fenestration blades that extend between respective portions of the perimeter blade. In a preferred embodiment, the plurality of fenestration blades are provided in at least two groups to form a repeating pattern of preferably uniformly spaced perforations within the perimeter of the blank. Such a press cutting die assembly is particularly applicable for cutting biologically compatible materials having a desired shape and uniform fenestration pattern from a bulk source of the biologically compatible material.
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