Methods and devices for maintaining visibility and providing irrigation and/or suction during surgical procedures

摘要

Methods and devices are provided for providing irrigation and/or suction to a surgical site and maintaining clear visibility through a lens of a scoping device during a surgical procedure. In general, the methods and devices can allow for a surgical instrument to maintain visibility during a surgical procedure using a fluid conduit coupled to the surgical instrument. A surgical device can include a sheath having at least one lumen extending therethrough configured to allow a surgical viewing instrument to be disposed therein. The sheath can also have a passageway extending therethrough configured to allow fluid to flow therethrough. The fluid conduit can be configured to be movable between positions that can allow alternative directions of fluid toward and/or away from a viewing element on the surgical instrument and fluid away from the viewing element and toward a surgical field in a body cavity.

主权项

1. A surgical device, comprising:
an annular sheath configured to be disposed in a body cavity and to receive a surgical instrument in a lumen thereof, the sheath further having a passageway configured to allow fluid to flow therethrough, and the sheath having an annular lumen in a distal portion thereof, the passageway having a plurality of proximal openings that are in fluid communication with the annular lumen and a distal opening in fluid communication with the passageway; and a fluid conduit at least partially located in the distal portion of the sheath and configured to be movable when the sheath is disposed in a body cavity between a first position in which the fluid flowing through the passageway can exit the passageway, enter the annular lumen, and exit the annular lumen through each of the plurality of proximal openings and cannot exit through the distal opening, and a second position in which the fluid flowing through the passageway can exit the passageway through the distal opening and the fluid conduit prevents passageway of the fluid into the annular lumen such that the fluid flowing through the passageway cannot exit through the plurality of proximal openings.