Laparoscopic surgical system and method

Details Laparoscopic surgical system and method Laparoscopic surgical system and method

1990-10-30

1992-10-27

Hirsch, Paul J.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

606191, A61M 500

Patent

active

051585430

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.

REFERENCES:
patent: 4351333 (1982-09-01), Lazarus et al.
patent: 4449532 (1984-05-01), Storz
patent: 4850960 (1989-07-01), Grayzel
patent: 4862891 (1989-09-01), Smith
patent: 4869717 (1989-09-01), Adair
patent: 4978334 (1990-12-01), Toye et al.
patent: 4981482 (1991-01-01), Ichikawa
patent: 5002557 (1991-03-01), Hasson

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