Multi-instrument access devices and systems

Details Multi-instrument access devices and systems Multi-instrument access devices and systems

A - Human Necessities

61

B

A61B 17/34 (2006.01)

Patent

CA 2760202

A surgical access system for use in minimally invasive procedures such as single port or laparoscopic surgery. The system has a sealed base positionable in an incision formed in a body wall and at least two access tubes extending through the base. Each access tube includes a rigid tube having a fixed preformed shape including a bend in its distal section. The rigid tubes are restrained against pivotable movement relative to the base, but can be axially rotated and longitudinally repositioned relative to the base. A deflectable tubes extends from the distal end of each rigid tube. Each deflectable tube has a lumen for passage of a medical instrument, as well as a proximal actuator which engages a pullwire to deflect the tube when the user manipulates the instrument's handle.

L'invention concerne un système d'accès chirurgical destiné à être utilisé dans des procédés minimalement invasifs comme la chirurgie par orifice unique ou laparoscopique. Le système comprend une base scellée positionnable dans une incision formée dans une paroi corporelle et au moins deux tubes d'accès traversant la base. Chaque tube d'accès comprend un tube rigide ayant une forme préformée fixée qui comprend une pliure dans sa section distale. Les tubes rigides ne peuvent pas pivoter par rapport à la base, mais peuvent tourner axialement et se repositionner longitudinalement par rapport à la base. Des tubes pliables s'étendent depuis l'extrémité distale de chaque tube rigide. Chaque tube pliable comporte une lumière pour le passage d'un instrument médical, ainsi qu'un actionneur proximal qui insère un fil de traction pour plier le tube lorsque l'utilisateur manipule la poignée de l'instrument.

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