Various devices, systems, and methods that can be used in the treatment of obesity and related illnesses are disclosed. In some instances, the cecum of an obese patient is distended to a pathophysiological size for a therapeutically effective period. The distention may be achieved by introduction of an object that is of foreign origin relative to the body of the patient into the cecum of the patient. In some instances, the distention is achieved by a medical device that transitions from an undeployed state, in which the medical device is introduced into the cecum of the patient, to an expanded state in which the medical device distends the cecum by an amount sufficient to trigger a colo-gastric brake in the patient.

A tissue anchoring device including an expandable frame and at least one anchor having a tissue penetrating portion. The anchor is attached to the expandable frame through a plurality of beams forming a frame or a tab that enable the anchor to elastically bend with respect to a longitudinal axis of the expandable frame.

A catheter based balloon enabled prosthetic heart valve delivery device is provided. The balloon enabled delivery device is configured to deploy a prosthetic heart valve through inflation. The balloon enabled delivery device is further configured to reduce or prevent migration of the prosthetic heart valve during deployment. Migration is prevented through a combination of balanced inflation of the balloon, inflation fluid flow balancing structures, retention rings, retention covers, and balloon surface treatments.

The present embodiments relate generally to devices, systems, and methods for expansion of an expandable implant. A system may include a first inflatable body having a first outer diameter when in an inflated state. The system may include a second inflatable body positioned adjacent to the first inflatable body and having an outer surface configured to apply an expansion force to the expandable implant and having a shape that tapers downward in a direction towards the first inflatable body to a narrow portion having a second outer diameter that is less than the first outer diameter when the second inflatable body is in an inflated state.

The present embodiments provide systems and methods for improved retention of stents on a delivery system. In one embodiment, a delivery system comprises a catheter and a balloon. A proximal end of the balloon is secured to an exterior surface of the catheter at a first location, and a distal end of the balloon is secured to the exterior surface of the catheter at a second location. A plurality of bands are disposed in a circumferential space situated between the exterior surface of the catheter and an interior surface of the balloon. The plurality of bands may comprise at least four bands that are discretely spaced-apart in an axial direction from one another along a length of the catheter. At least one stent is secured to the exterior surface of the balloon in a compressed delivery state.

Delivery systems for expandable elements, such as stents or scaffolds are described along with associated methods for using such systems. The delivery systems can be provided with a stent and/or a balloon the is enclosed by a sheath that need not extend an entire length of the delivery system. Instead, the sheath can be coupled to a control wire for retraction and advancement of the sheath. By enclosing the stent and/or balloon with a short sheath, the profile of the delivery system is reduced.

In various embodiments, a device is provided comprising a balloon configured to expand to an expanded state in response to introduction of a fluid at a first pressure, wherein the fluid perfuses through the balloon above a second pressure, the second pressure being the same or greater than the first pressure. In various embodiments, a method comprising fabricating a balloon configured to expand to an expanded state in response to introduction of a fluid at a first pressure, wherein the fluid perfuses through the balloon above a second pressure, the second pressure being at or greater than the first pressure, disposing the balloon on an elongate member having a lumen, placing the lumen in fluid communication with an interior volume of the balloon.

Methods and systems for rotationally aligning a commissure of a prosthetic heart valve with a commissure of a native valve are disclosed. In some examples, a delivery apparatus can include a first shaft configured to rotate around a central longitudinal axis of the delivery apparatus to rotationally align a prosthetic valve mounted on the delivery apparatus with native anatomy, a second shaft extending through the first shaft and having a distal end portion extending distally beyond a distal end portion of the first shaft, an inflatable balloon coupled to the distal end portion of the first shaft, and a distal shoulder mounted on the distal end portion of the second shaft and arranged within a distal end portion of the balloon. The distal shoulder comprises a base portion and a flared portion that extends radially outward from the base portion, and a radiopaque marker is disposed on the flared portion.

In some examples, a medical device includes a balloon inflatable to an inflated configuration. The balloon includes an outer layer coextruded on an inner layer. The outer layer has a maximum radial ratio that is lower than that of the inner layer.

The present disclosure includes an expandable medical device and outer sheath combination. The outer sheath is capable of being split to form multiple sheath sections that may be peeled back to expose a portion or all of the expandable medical device. The medical device, as well as the outer sheath, may include one or more therapeutic agents for delivery to a treatment area within a patient.