Surgery – Endoscope – With tool carried on endoscope or auxillary channel therefore
Patent
1995-03-24
1998-04-14
Flanagan, Beverly M.
Surgery
Endoscope
With tool carried on endoscope or auxillary channel therefore
606185, 606190, A61B 100
Patent
active
057386285
ABSTRACT:
A surgical method for creating an operative space during an endoscopic surgical procedure is disclosed. The method incorporates the use of an elongate instrument with an atraumatic tip for facilitating manual dissection of layers of tissues by advancing the instrument between the layers desired to be dissected. As the manual dissection is performed, the space between the dissected layers is enhanced by concurrently insufflating the dissected space as the instrument is advanced. Concurrently insufflating while dissecting eliminates the need to use a balloon dissector for creating the operative space. An improved surgical instrument particularly adapted to carry out this procedure is also disclosed. The improved surgical instrument is an optical obturator incorporating a contrasting imaging element displayed on the transparent tip of the obturator. The contrasting imaging element helps the surgeon to orient the positioning of the instrument relative to adjacent layers desired to be dissected for the creation of the operative space.
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Freeman Lynetta J.
Kramer Francis J.
Paul Michel A.
Sierocuk Thomas J.
Capezzuto Louis J.
Ethicon Endo-Surgery Inc.
Flanagan Beverly M.
Goodwin Matthew S.
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