Laparoscopic and thoracoscopic expandable instruments

Details Laparoscopic and thoracoscopic expandable instruments Laparoscopic and thoracoscopic expandable instruments

1993-01-19

1994-06-07

Graysay, Tamara L.

Surgery

Instruments

Internal pressure applicator

128 20, 606 1, 606198, A61M 2900

Patent

active

053185862

ABSTRACT:
This invention relates to instruments such as retractors and dissectors used in laparoscopic and thoracoscopic surgical procedures. In particular, the invention relates to instruments with expandable portions thereof having different sizes and shapes which can be placed into the abdomen, chest or pelvis through small tubes and expanded using carbon dioxide or sterile solutions, for example. Expandable retractors will allow retracting of large, fragile organs such as the liver, spleen, kidney, lung, bowel while minimizing potential injuries thereto. Expandable dissectors which are used in dissecting arteries, veins and tubal structures are safer and more precise.

REFERENCES:
patent: 3782370 (1974-01-01), McDonald
patent: 4738666 (1988-04-01), Fuqua
patent: 5190555 (1993-03-01), Wetter et al.
patent: 5190561 (1993-03-01), Graber
patent: 5195507 (1993-03-01), Bilweis

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