Surgical instrument and method for use in hand-assisted laparosc

Details Surgical instrument and method for use in hand-assisted laparosc Surgical instrument and method for use in hand-assisted laparosc

1998-01-16

2000-11-21

Thaler, Michael H.

Surgery

Instruments

606210, 128897, A61B 1700

Patent

active

061496421

ABSTRACT:
A surgical instrument and the method for delivering and withdrawing surgical tools through a cannula in an abdominal cavity during hand-assisted minimally invasive surgery. A tube slidably extends through a cannula with a slender surgical tool such as a suture needle holder, secured in a snap-in gripper at the insertion end of the tube. The thumb and fingers of one hand of the surgeon or an assistant's cause the tube to move axially from a fully retracted position in the cannula to a position where the tool projects from a snap-in socket in the tube a length sufficient for a surgeon's hand to grip a knurled surface around the tool. A detent bead around the periphery of the tool snaps into a complementary groove within the gripper. Insufflating gas may be introduced or vented as needed through a port which communicates through the interior of the tube with the abdominal cavity. The procedure is reversed for withdrawing the tool.

REFERENCES:
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patent: 5524644 (1996-06-01), Crook
patent: 5556376 (1996-09-01), Yoon
patent: 5640977 (1997-06-01), Leahy et al.

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