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:
May. 26, 2020
Filed:
May. 31, 2018
David S. Ruppert, Chapel Hill, NC (US);
Alexander G. Verderber, Raleigh, NC (US);
David S. Ruppert, Chapel Hill, NC (US);
Alexander G. Verderber, Raleigh, NC (US);
Other;
Abstract
Rib retraction devices and methods of its use and manufacture are disclosed. A retraction device may include a first frame portion and a second frame portion. The second frame portion may be attached to the first frame portion. The second frame portion may mechanically move between a first position and a second position with respect to the first frame portion. The retraction device may also include a first blade being pivotally attached to the first frame portion and comprising a flexible material. The retraction device may also include a second blade being pivotally attached to the second frame portion and comprising a flexible material.