Resection device with support mechanism and related methods of use

摘要

A medical device for resecting tissue. The medical device is slidably disposed within a working channel of an elongate introduction sheath. The medical device includes an elongate shaft having a proximal end, a distal end, and a lumen extending therebetween. The distal end of the elongate shaft may include an opening in communication with the lumen. In addition, the medical device includes a support structure having a slot extending along an inner surface of the support structure in communication with the lumen of the elongate shaft. The medical device further includes a snare loop having a first position disposed within the slot of the support structure, and a second position disposed within the lumen of the elongate shaft. An actuation member is slidably disposed within the lumen of the elongate shaft and is connected to the snare loop.

主权项

1. A medical device for resecting tissue comprising:
an elongate shaft having a proximal end, a distal end, and a lumen extending therebetween, wherein the distal end of the elongate shaft includes an opening in communication with the lumen; a support structure having a slot extending along an inner surface of the support structure, the slot being in communication with the lumen of the elongate shaft; a snare loop having a first position disposed within the slot of the support structure, and a second position disposed within the lumen of the elongate shaft; an actuation member slidably disposed within the lumen, wherein the actuation member includes a distal end portion secured to the snare loop; and a first guide element and a second guide element, wherein the first and second guide elements are connected to the snare loop, and wherein proximal portions of the first and second guide elements are connected to the actuation member.