US 11,986,175 B2
Medical devices for endoscopically dispensing agents and related methods of use
Gerald Fredrickson, Westford, MA (US); Jennifer Whelehan, Westborough, MA (US); Matthew Laplaca, Franklin, MA (US); and Lauren Lydecker, Millbury, MA (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed on Nov. 11, 2020, as Appl. No. 17/095,276.
Claims priority of provisional application 62/936,765, filed on Nov. 18, 2019.
Prior Publication US 2021/0145424 A1, May 20, 2021
Int. Cl. A61B 17/00 (2006.01); A61M 5/31 (2006.01); A61M 5/315 (2006.01); A61M 25/00 (2006.01)
CPC A61B 17/00491 (2013.01) [A61M 5/3129 (2013.01); A61M 5/315 (2013.01); A61M 25/0026 (2013.01); A61M 25/0068 (2013.01); A61B 2017/00495 (2013.01); A61M 2025/0037 (2013.01); A61M 2025/0039 (2013.01); A61M 2202/02 (2013.01); A61M 2202/04 (2013.01); A61M 2202/064 (2013.01); A61M 2210/1042 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A medical system, comprising:
a propellant source configured to contain a propellant fluid;
a plurality of containers each configured to contain a material; and
a shaft comprising:
a plurality of lumens, each of the plurality of lumens having a first opening at a proximal end of the shaft and a second opening at a distal end of the shaft, the plurality of lumens are fluidly coupled to one or more of the propellant source and at least one of the plurality of containers, and
a tip at a distalmost end of the shaft, the tip comprising:
a distal delivery opening,
a passage connecting at least one of the plurality of lumens of the shaft to the distal delivery opening, and
an auger extending to the distal delivery opening, rotatably disposed in the passage, and configured to move material within the passage toward the distal delivery opening, wherein the auger is configured to mix contents within the shaft; and
wherein a first lumen of the plurality of lumens surrounds, is coaxial with, or is side-by-side with, at least one other lumen from the plurality of lumens.