Boston Scientific Scimed, Inc.

Amanda Lynn Smith

Shawn Ryan

Andrew Pic

Gerald Fredrickson

Lauren Lydecker

Joseph W King

John Thomas Favreau

Stan Robert Gilbert

Claude O Clerc

Jeffrey V Bean

Laura Elizabeth Christakis

Ashleigh Peterson

Jose Vega

Laurie A Lehtinen

Dennis Brian Hubbard, Jr

Travis Henchie

Jessica L Grimsby

Hannah Rebar

Jennifer Mague

Caitlyn Emily Bintz

Sophia Gervasio

Paul Smith

James J Scutti

Matthew Robert Jagelski

Daniel Congdon

Jason Weiner

Collin Alexander Murray

Ra Nam

Matthew Laplaca

Jennifer Whelehan

Jennifer Golden

Kathryn Gildersleeve

Jacqueline Nicole Magaha

Brian Dennis Hubbard

In one aspect of the present disclosure, an apparatus for delivering a powdered agent into a subject's body may include a powder chamber housing the powdered agent. The apparatus also may include a chassis in fluid connection with the powder chamber. The chassis may include a first passage for receiving a pressurized gas, a second passage for receiving the powdered agent from the powder chamber, and a junction in fluid communication with the first passage and the second passage. At least a first portion of the pressurized gas is introduced into the powdered agent at the junction to fluidize the powdered agent.

Apparatuses and methods for delivering powdered agents

The present disclosure relates generally to the field of medical devices and medical device delivery. In particular, the present disclosure relates to medical devices, systems, and methods for delivering a barrier device within a body lumen of a patient, such as the GI tract. For example, a barrier device may include a distal self-expanding stent. A tubular barrier may have a proximal end, a distal end, and a lumen extending therethrough. The distal stent may be disposed at the distal end of the tubular barrier. An anchoring self-expanding stent may be disposed at the proximal end of the tubular barrier.

Barrier devices, systems, and methods

A medical system includes a handle, a sheath extending from the handle, and an end effector connected to a distal end of the sheath, where the end effector directs a mass of material towards a target site of a body and cause release of the material onto the target site.

Medical delivery device and method of use

This disclosure relates generally to the field of devices and procedures for forming an opening between adjacent tissue structures. For example, in an embodiment, a system for forming an opening between body lumens may include a delivery catheter. A first access element may be configured to be positioned against a first body lumen disposed about a distal end of the catheter. A second access element having an outer diameter that substantially matches an outer diameter of the first access element may be disposed about the distal end of the catheter. The second access element may be configured to be positioned against a second body lumen and axially aligned with the first access element. A filament may be electrically coupled to one or both of the first and second access element.

Devices, systems, and methods for forming an opening between body lumens

Systems and methods of delivering a patch to a target site of a patient are described herein. The patch may comprise a biomaterial such as chitosan or extracellular matrix and may be biocompatible and/or bioresorbable. The system may include an endoscope, a patch, and one of an instrument or a cap, the patch being coupled to the respective instrument or cap and detachable therefrom. Methods of delivering the patch to the target site may include introducing an endoscope into a gastrointestinal tract of a patient, e.g., the patch being in a folded or crimped configuration, navigating a distal end of the endoscope proximate a target site; and applying the patch to the target site while releasing the patch from the endoscope.

Devices and methods for endoscopic patch delivery

A device for fluidizing and delivering a powdered agent, including a canister extending longitudinally from a first to a second end and defining a space within which a powdered agent is received, an inlet coupleable to a gas source for supplying gas to the space to fluidize the powdered agent to create a fluidized mixture, an outlet via which the gas mixture is delivered to a target area, a tube extending from the outlet into the interior space, the tube including a slot extending through a wall thereof so that gas mixture is passable from the interior space through the outlet via the second end and the slot, and a door movably coupled to the tube so that the door is movable over the slot to control a size of the slot open to the interior space of the canister.

Fluidization devices and methods of use

A medical device that includes a shaft having a distal end and a cap at the distal end that defines a reservoir for storing a material. The medical device includes a deployment mechanism configured to eject the material from the reservoir, and the deployment mechanism is configured to apply a force to the reservoir. The cap includes a seal or a perforation that is configured to contain the material in the reservoir in the absence of the force applied by the deployment mechanism to the material.

Medical seal assemblies and methods of using the same

A medical device includes a sheath having a proximal end, a distal end, and at least one lumen extending from the proximal end to the distal end, and a balloon at the distal end of the sheath and having an inflated configuration and a deflated configuration. The balloon defines at least one space radially inward of an exterior surface of the balloon, the at least one space configured to retain a material, and the transition of the balloon from the deflated configuration to the inflated configuration delivers the material from the at least one space to a target site in a body.

This disclosure relates to the field of luminal surgery. Specifically, the present disclosure relates to medical devices that expand within a body lumen for accessing a target tissue. In an aspect, an expandable device for a body lumen may include a filament comprising a proximal end, a distal end, and a length. The device may include a plurality of segments. Each segment may comprise a middle portion comprising a longitudinal axis extending axially therethrough, a projection portion extending from an end of the middle portion along the longitudinal axis, and a receptive portion extending from an opposing end of the middle portion away from the longitudinal axis, the receptive portion configured to receive the projection portion of an adjacent one of the plurality of segments. An aperture may be disposed through the projection portion, the middle portion, and the receptive portion.

Expandable devices, systems, and methods

Implementations of a delivery device and method are disclosed. One implementation is a delivery device comprising a flow chamber with an inlet port for receiving a fluid flow in the flow chamber, and an outlet port for exiting a material from the flow chamber. The flow chamber may include a formation portion in which a suspension of the material is formed, and a collection portion that directs the suspension toward and/or into the outlet port. An amount of the material may collect in the collection portion adjacent the outlet port. The device may further comprise an insertion port for permitting insertion of the material in the flow chamber, and/or a pusher operable to move the amount of material through the outlet port. Related devices and methods also are disclosed.

Delivery devices and methods

A delivery device may be configured to deliver an agent to a target tissue through a channel of a medical device, the delivery device may include a body including (a) a coupling region configured to removably attach to a handle of the medical device, and (b) a coupler including an exit port for aligning with a port of the channel, wherein the coupler is configured to mate with the port of the channel; a source of an agent; and a source of pressurized fluid. The body, the source of agent, and the source of pressurized fluid may be arranged to deliver agent and pressurized fluid to the exit port for delivery through the channel.

Medical devices for agent delivery and related methods of use

A medical device comprising an enclosure defining a cavity for containing agent, a lumen for receiving a pressurized gas, and a barrier positioned between the cavity and the lumen, the barrier including at least one opening for storing agent, wherein rotation of the barrier relative to the lumen establishes fluid communication between the at least one opening and the lumen for delivering agent from the at least one opening to the lumen.

Agent administering medical device

A delivery system for delivering a stent to a body lumen. The delivery system includes a tubular member having an expandable stent disposed about the outer surface of the inner tubular member. The stent is maintained in a radially compressed configuration with a removable sheath. The sheath can be released using a variety of techniques.

Stent deployment system

In various aspects, the present disclosure pertains to methods of treating or preventing bleeding at a tissue site comprising applying a chitosan powder composition to the tissue site. In various aspects, the present disclosure pertains to chitosan powder compositions for application to a tissue site, where the powder compositions comprise a chitosan salt, a crosslinked chitosan, a derivatized chitosan, or a combination thereof. In various aspects, the disclosure pertains to catheter assemblies, which are preloaded with a chitosan powder composition and which are configured to deliver the chitosan powder composition a tissue site.

Growing community of inventors

Brookline, MA, United States of America

Amanda Lynn Smith