Trocar obturator with cutting edges
First Claim
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1. A trocar obturator, comprising:
- a shaft having a proximal end and a distal end;
a tip positioned at the distal end of the shaft, the tip including a distally extending blade structure adapted to reduce penetration forces required during insertion of the trocar obturator;
the blade structure includes a first cutting edge and a second cutting edge.
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Abstract
A trocar obturator includes a shaft having a proximal end and a distal end. The trocar obturator also includes a tip positioned at the distal end of the shaft, the tip including a distally extending blade structure adapted to reduce penetration forces required during insertion of the trocar obturator. The blade structure includes a first cutting edge and a second cutting edge.
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Citations
20 Claims
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1. A trocar obturator, comprising:
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a shaft having a proximal end and a distal end;
a tip positioned at the distal end of the shaft, the tip including a distally extending blade structure adapted to reduce penetration forces required during insertion of the trocar obturator;
the blade structure includes a first cutting edge and a second cutting edge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A trocar assembly, comprising:
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a trocar sleeve and a trocar obturator shaped and dimensioned for movement within the trocar sleeve;
the trocar obturator includes a shaft having a proximal end and a distal end, a tip positioned at the distal end of the shaft, the tip including a distally extending blade structure adapted to reduce penetration forces required during insertion of the trocar obturator, and the blade structure includes a first cutting edge and a second cutting edge. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification