Valve apparatuses and methods are provided for controlling blood flow in a vein of an individual. One example valve apparatus includes at least one valve member configured to be positioned adjacent to an exterior surface of a vein of an individual and outside of a lumen of the vein, at least one sensor configured to be positioned adjacent to the exterior surface of the vein, and a controller configured to receive, from the at least one sensor, a signal representing one or more characteristics of blood flow through the lumen, determine a direction of the blood flow based on the one or more characteristics, and in response to the determined direction of the blood flow being away from a heart of the individual, activate the at least one valve member to occlude blood flow through the lumen away from the heart.

A mesh element having a mesh gauge selected to control flow of materials therethrough. The mesh element is implantable into an anatomical structure upstream of a body passage or within a body passage to control flow of materials through the body passage. The mesh element may be coupled to a support structure to facilitate anchoring of the mesh element in place relative to the body passage. The support structure may have a lumen defined therethrough to allow flow of materials through the body passage, with the mesh element regulating the flow of materials into the lumen. The mesh element alternatively may be directly coupled to an anatomical structure upstream of a body passage to regulate or determine flow of materials through the body passage.

The present technology relates to interatrial shunting systems and methods. In some embodiments, the present technology includes interatrial shunting systems that include a shunting element having a lumen extending therethrough that is configured to fluidly couple the left atrium and the right atrium when the shunting element is implanted in a patient. The system can also include an energy receiving component for receiving energy from an energy source positioned external to the body, an energy storage component for storing the received energy, and/or a flow control mechanism for adjusting a geometry of the lumen.

The present disclosure relates generally to stents and methods for managing passage of material through a body lumen. In some embodiments, a medical stent may include a stent body defined by a hollow tubular elongate structure extending along a central axis, the stent body including a first portion and a second portion. The medical stent may further include a control region between the first and second portions, wherein in a first configuration the hollow tubular elongate structure of the control region is in a closed, twisted configuration, and wherein in a second configuration the hollow tubular elongate structure of the control region is in an open, expanded configuration.

Disclosed are methods and devices for regulating fluid flow to and from a region of a patient's lung, such as to achieve a desired fluid flow dynamic to a lung region during respiration and/or to induce collapse in one or more lung regions. Pursuant to an exemplary procedure, an identified region of the lung is targeted for treatment. The targeted lung region is then bronchially isolated to regulate airflow into and/or out of the targeted lung region through one or more bronchial passageways that feed air to the targeted lung region. An exemplary flow control device is configured to block fluid flow in the inspiratory direction and the expiratory direction at normal breathing pressures and allow fluid flow in the expiratory direction at higher than normal breathing pressures.

System for assisting vascular fluid flow body comprising: Fluid pump having an inlet for fluid in the vascular system to enter and an outlet for discharging pumped fluid into the vascular system at a fluid pump outlet pressure. Occluder placed into the vascular system at a location downstream of the outlet of the fluid pump. Occluder having a configuration in which the occluder occludes the vascular system and a configuration in which pumped is capable of flowing past the occluder. In use, the occluder being actuatable to alternate between the occluded configuration, in which pumped fluid accumulates in the vascular system becoming increasingly under pressure via elastic deformation of vessels, and the flow configuration, in which accumulated pumped fluid under pressure flows past the occluder at a greater pressure than the fluid pump outlet pressure, returning the elastically deformed vessels towards their original state.

The present technology relates to interatrial shunting systems and methods. In some embodiments, the present technology includes interatrial shunting systems that include a shunting element having a lumen extending therethrough that is configured to fluidly couple the left atrium and the right atrium when the shunting element is implanted in a patient. The system can also include an energy receiving component for receiving energy from an energy source positioned external to the body, an energy storage component for storing the received energy, and/or a flow control mechanism for adjusting a geometry of the lumen.

Devices, systems, and methods for combinatorial treatment of a condition with an implantable damping device and biologic therapeutic agent are disclosed herein. Methods for treating one or more effects of the condition, such as a neurological condition, include providing the implantable damping device and at least one other therapy, such as a biologic therapeutic agent, that treats the condition to the patient. The implantable damping device includes a flexible damping member and an abating substance and can be placed in apposition with a blood vessel. The flexible damping member forms a generally tubular structure having an inner and an outer surface, the inner surface formed of a sidewall having a partially deformable portion. The abating substance is disposed within the partially deformable portion and moves longitudinally and/or radially within the partially deformable portion in response to pulsatile blood flow.

The present technology relates to interatrial shunting systems and methods. In some embodiments, the present technology includes interatrial shunting systems that include a shunting element having a lumen extending therethrough that is configured to fluidly couple the left atrium and the right atrium when the shunting element is implanted in a patient. The system can also include an energy receiving component for receiving energy from an energy source positioned external to the body, an energy storage component for storing the received energy, and/or a flow control mechanism for adjusting a geometry of the lumen.

A valve comprising: (a) a rod, (b) a plurality of struts in communication with the rod and extending generally radially outward away from the rod in a deployed state, the plurality of struts including at least: (i) a plurality of first struts that extend radially outward from the rod a first distance, and (ii) a plurality of second struts that extend radially outward a second distance from the rod, wherein the second distance is less than the first distance; and (c) one or more membranes that are in communication with the first struts, the second struts, or both.