Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1995-08-23
1997-11-18
Rimell, Sam
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604116, A61M 500
Patent
active
056882432
ABSTRACT:
A surgical method involving a trocar system comprising a rack apparatus and a trocar device is disclosed. The trocar device is adapted for insertion into a body cavity, such as the abdominal cavity, using the rack apparatus which eliminates the need for cavity insufflation. The rack apparatus comprises a movable member which attaches adhesively to the external skin surface of the body wall overlying the body cavity. Means are provided moving the member attached to the skin away from the body cavity in order to lift the abdominal region and create a separation between the body wall and the underlying internal organs. This separation permits the obdurator portion of a trocar device to be inserted with a minimum risk of cutting any internal organs. The trocar device comprises applicator and trocar components. The trocar components comprises a cylindrical trocar tube and detachable obdurator. The applicator comprises a housing into which the trocar and obdurator are loaded prior to insertion, and means for applying a force, such as a spring or electric motor, to drive the obdurator and trocar through the body wall into the cavity. Various electrical and mechanical means are provided for limiting the penetration depth of the obdurator.
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