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United States of America Patent

PATENT NO 9028521
APP PUB NO 20080300617A1
SERIAL NO

12128752

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A surgical instrument for use with a surgical portal apparatus is disclosed. The surgical instrument includes an elongate shaft and a dilating member disposed at the distal end of the elongate shaft. The elongate shaft has proximal and distal ends and defines a longitudinal axis. The dilating member has an outer surface that includes at least one atraumatic edge member. The at least one atraumatic edge member extends proximally from a tip of the dilating member. The dilating member has a first substantially triangular cross-section disposed transverse to the longitudinal axis.

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First Claim

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Patent Owner(s)

  • COVIDIEN LP

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Smith, Robert C Middletown, US 216 12998

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Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 12, 2026
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