Laparoscopic surgical system and method
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United States of America Patent
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-
Oct 27, 1992
Grant Date -
N/A
app pub date -
Oct 30, 1990
filing date -
Oct 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for performing laparoscopic surgery involving placing cannulas through the abdominal wall of a patient preparatory to surgery is disclosed. The method includes inserting a needle and blunt-ended guidewire through the abdominal wall until the tip of the needle and the guidewire are positioned within the peritoneal cavity of the patient. A dilator or dilators having tapered ends are threaded over the guidewire until the appropriate size of aperture is created in the peritoneum. The method of the invention provides a safer means of introducing laparoscopic equipment into the peritoneal cavity with reduced incidence of inadvertent punctures to internal organs and vessels. A kit including the necessary components for performing the method is also disclosed.
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