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.

Date of Patent:
Aug. 06, 2019

Filed:

Mar. 04, 2016
Applicants:

Shaw P. Wan, Norwood, NC (US);

Guohua Zeng, Guangzhou, CN;

Inventors:

Shaw P. Wan, Norwood, NC (US);

Guohua Zeng, Guangzhou, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/22 (2006.01); A61B 17/221 (2006.01); A61B 17/225 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 17/221 (2013.01); A61B 17/225 (2013.01); A61B 2017/00946 (2013.01); A61B 2017/22051 (2013.01); A61B 2017/22069 (2013.01); A61B 2017/22079 (2013.01); A61B 2217/005 (2013.01); A61B 2217/007 (2013.01);
Abstract

A device for removing a stone, a stone fragment, or a foreign body from a patient comprising a suction evacuation assembly which includes a primary sheath with a flexible end, an obturator releaseably secured to the sheath, a side arm emanating from the primary sheath, a deflection mechanism which is operationally associated with the flexible end of the sheath and a secondary sheath with a dual lumen and an oblong shape wherein the dual lumen allow passage of surgical instruments and irrigation fluid and wherein the oblong shape provides for adequate space for the egress of stone fragments and fluid through the primary and/or secondary sheath, wherein the obturator is withdrawn from the primary sheath and the secondary sheath is inserted into the primary sheath and into the patient in order to facilitate the removal of the stone, stone fragment or foreign body.


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