The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2011
Filed:
Feb. 22, 2007
Andrew T. Beckman, Cincinnati, OH (US);
Patrick J. Minnelli, Harrison, OH (US);
Anthony T. Nguyen, West Chester, OH (US);
Chester O. Baxter, Iii, West Chester, OH (US);
Michele D'arcangelo, Rome, IT;
Andrew T. Beckman, Cincinnati, OH (US);
Patrick J. Minnelli, Harrison, OH (US);
Anthony T. Nguyen, West Chester, OH (US);
Chester O. Baxter, III, West Chester, OH (US);
Michele D'Arcangelo, Rome, IT;
Ethicon Endo-Surgery, Inc., Cincinnati, OH (US);
Abstract
A laparoscopic surgical access device comprises a first frame and a second frame having relative axial positions. A flexible and resilient iris valve is connected to the first and second frames and has a closed position and an opened position based on the relative angular position of the first and second frames. A lock is connected to the first and second frames, the lock being selectively operative to prevent relative rotational movement in a first rotational direction. One embodiment uses a ratchet and pawl mechanism operable with a control ring. Another embodiment uses a ratchet and pawl mechanism operable with a button. Yet another embodiment uses a wedge track and ball mechanism.