Surgery – Specula – Retractor
Patent
1994-08-31
1996-06-04
Thaler, Michael H.
Surgery
Specula
Retractor
606192, A61M 2900, A61B 1702
Patent
active
055227910
ABSTRACT:
An abdominal retractor comprising a deformable annular-shaped member with an opening therethrough, which is structured and dimensioned for retracting a linear incision in the abdomen and forming the surrounding tissue into a generally circular configuration, thereby providing an access opening into the abdominal cavity large enough for a hand. The annular member is also adapted to contact the retracted abdominal tissues so as to provide a sealing engagement therebetween. A collapsible sleeve is joined to the annular member and is disposed for extension exterior to the abdomen. The sleeve is structured to enable an arm member to be sealingly yet movably enclosed therein such that a hand at the end of the arm member can be introduced through the access opening into the abdominal cavity. The retractor further includes means through which the abdominal cavity can be inflated with gas such as carbon dioxide (CO.sub.2).
REFERENCES:
patent: 3730645 (1973-05-01), Mashakaro et al.
patent: 4421107 (1983-12-01), Estes et al.
patent: 5159921 (1992-11-01), Hoover
patent: 5199944 (1993-04-01), Cosmescu
patent: 5226876 (1993-07-01), Filipi et al.
patent: 5299564 (1994-04-01), Sabatino
Markow Scott B.
Thaler Michael H.
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