Apparatus and method of use of a circular surgical stapler

Details Apparatus and method of use of a circular surgical stapler Apparatus and method of use of a circular surgical stapler

2004-04-12

2008-01-15

Truong, Kevin T. (Department: 3734)

Surgery

Instruments

Suture, ligature, elastic band or clip applier

C606S159000

Reexamination Certificate

active

07318830

ABSTRACT:
A method and apparatus for removing a circumferential portion of a hollow body organ from a patient with a circular stapling instrument. The instrument is provided with a vacuum tubing in communication with an inner chamber within the head assembly of the stapler. A negative pressure is drawn through the tubes and hemorrhoidal tissue is drawn into the inner chamber. An anvil member is closed around the hemorrhoidal tissue thereby pinching the drawn tissue between the anvil and the head assembly housing. The stapler is fired and the hemorrhoid is transected and retained within the inner chamber. The evacuation is shut off and the stapler is removed with the transected tissue.

REFERENCES:
patent: 6716222 (2004-04-01), McAlister et al.
patent: 7128748 (2006-10-01), Mooradian et al.

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