The present disclosure provides an access system having a maneuverable catheter assembly configured for providing access to and navigating a desired vessel for subsequent treatment thereof. The access system includes an adjustable delivery handle assembly and an access catheter subassembly having a maneuverable access catheter configured to be delivered to desired site (e.g., within duodenum) to assist in treatment of a condition (e.g., drainage of a bile ducts via Endoscopic Ultrasound Guided Biliary Drainage (EUS-BD) techniques). The access catheter includes at least a distal section having an adjustable portion along a length thereof configured to transition to a pre-defined arcuate shape to provide directional control over the distal end of the catheter as it is navigated through a vessel (e.g., bile duct). The handle assembly includes additional elements configured to allow a clinician to maneuver and manipulate the distal end of the access catheter.

A handheld therapeutic apparatus and method of treatment are disclosed. In one example, the apparatus includes a valve system, a detachable gas cartridge housing unit that houses a gas cartridge or gas delivery from an outside gas cylinder in fluid communication with said valve system, a detachable treatment receptacle for the delivery of gas therapies is in fluid communication with said valve system, and a detachable nozzle in fluid communication with said valve system.

The present disclosure provides an access system having a maneuverable catheter assembly configured for providing access to and navigating a desired vessel for subsequent treatment thereof. The access system includes an adjustable delivery handle assembly and an access catheter subassembly having a maneuverable access catheter configured to be delivered to desired site (e.g., within duodenum) to assist in treatment of a condition (e.g., drainage of a bile ducts via Endoscopic Ultrasound Guided Biliary Drainage (EUS-BD) techniques). The access catheter includes at least a distal section having an adjustable portion along a length thereof configured to transition to a pre-defined arcuate shape to provide directional control over the distal end of the catheter as it is navigated through a vessel (e.g., bile duct). The handle assembly includes additional elements configured to allow a clinician to maneuver and manipulate the distal end of the access catheter.

A system for retrieving material from a cavity in a patient may include a tube having a proximal end and a distal end, the scope configured to be inserted into the cavity, and a filter assembly disposed between the tube and a vacuum source configured to apply negative pressure through the tube to cause the material to flow through the tube from the distal end to the proximal end, the filter assembly including a filter configured to trap the material in the filter assembly, and allow liquid and gases to pass through the filter assembly.

An intraluminal system for aspirating biological material from a lumen of a patient includes a disposable intraluminal device having a proximal portion and a distal portion. The system includes a disposable pump configured to aspirate the biological material from the lumen of the patient. The disposable pump is coupled to the proximal portion of the intraluminal device. The disposable pump comprises a pump chassis that houses: an inlet port configured to sealably attach to the proximal portion of the intraluminal device; an outlet port configured to expel the aspirated biological from the pump; and a flow controller configured to adjust a fluid flow through the pump, wherein the pump chassis is sized and shaped to be manually supported by a user.

A system for retrieving material from a cavity in a patient may include a tube having a proximal end and a distal end, the scope configured to be inserted into the cavity, and a filter assembly disposed between the tube and a vacuum source configured to apply negative pressure through the tube to cause the material to flow through the tube from the distal end to the proximal end, the filter assembly including a filter configured to trap the material in the filter assembly, and allow liquid and gases to pass through the filter assembly.

Various aspects of the present disclosure are directed toward medical devices, systems, and methods. The medical devices may include a portion having a radially expansive force greater than a radially expansive force other portions of the device. In addition, the medical device may include one or more constraining mechanisms for deployment of the medical devices.

The present disclosure relates to the field of body lumen drainage. Specifically, the present disclosure relates to implantable medical devices for facilitating the flow of fluids and materials between adjacent body lumens. In particular, the present disclosure relates to a drainage stent which maintains an open flow passage between fused tissue layers.

A tubular indwelling device 1 is placed inside a living body lumen and defines a tubular flow path, the tubular indwelling device comprising: a skeleton part 10; a membrane part 20; and a shape retention part 30. The skeleton part 10 includes a body part 11 which can expand/contract along the radial direction of the tubular indwelling device 1. The membrane part 20 is provided along the body part 11, and includes a protruding part 22 that protrudes from a tube end part 11a so as to create a tapered shape in which a flow path cross-section area on a distal end side spaced apart from the tube end part 11a is smaller than a flow path cross-section area on a base end side which is the tube end part 11a side of the body part 11. The shape retention part 30 retains the shape of a flow outlet 23 of the protruding part 22.

A stent delivery apparatus includes a guide catheter through which a guide wire is inserted, a pusher catheter including a first lumen through which the guide catheter is inserted and a first communication hole communicating with the first lumen, a stent including a second lumen through which the guide catheter is inserted and a second communication hole communicating with the second lumen and disposed on a distal side of the pusher catheter, and a thread that connects the stent and the pusher catheter to each other in a releasable manner, wherein the thread has a first end portion that through the first communication hole, an intermediate portion that through the second communication hole, and a second end portion that extends around a part of the guide catheter located between a proximal end of the stent and a distal end of the pusher catheter.