Disclosed herein is ureteral stent. The ureteral stent includes a proximal end, a distal end, and a middle portion. The proximal end includes a retention feature having a coiled shape. The distal end is opposite the proximal end. The middle portion is between the proximal end and the distal end.

A valve assembly for controlled drainage or delivery of a fluid from or to a patient including an outlet, an inlet, a diaphragm chamber and a diaphragm dividing the diaphragm chamber into a first chamber cavity and a second chamber cavity. The diaphragm being deflectable toward a first wall of the diaphragm chamber wherein the first chamber cavity contracts and the second chamber cavity expands, and oppositely toward a second wall of the diaphragm chamber wherein the second chamber cavity contracts and the first chamber cavity expands. A plunger is translatable between a first actuation state that establishes fluid communication between the outlet and the second chamber cavity, and separately between the inlet and the first chamber cavity. The valve also having a second actuation state that establishes fluid communication between the outlet and the first chamber cavity, and separately between the inlet and the second chamber cavity.

A surgical device for cerebral herniation including a structure adapted to cover the skullcap, the structure including a first portion to provide the structure with its shape a second portion to be in contact with the cerebral parenchyma, and a plurality of tubular canals forming a lattice that subdivides the surgical device in areas corresponding to respective areas of the cerebral surface, a plurality of sensors attached to the second portion of the structure and in contact with the cerebral parenchyma, the sensors monitoring one or more parameters of the brain, an outflow system including at least one drainage catheter and a connection to an aspiration system, the outflow system positioned along the perimeter of the structure to convey waste liquids or blood outside, and the plurality of tubular canals include a plurality of administration canals, the tubular canals including an inlet extremity and an outlet extremity.

In one embodiment, a system for evacuating subdural hematomas includes an inlet configured to be placed in fluid communication with a subdural space, an irrigation reservoir in fluid communication with the inlet and configured to supply irrigation fluid to the inlet and the subdural space, an outlet separate from the inlet and also configured to be placed in fluid communication with the subdural space, and a pump in fluid communication with the outlet and configured to create negative pressure within the subdural space and evacuate fluid from the subdural space.

Methods for deploying and removing an endovascular cerebrospinal fluid (CSF) shunt device in a patient's spinal subarachnoid space or third ventricle are disclosed herein. The disclosed methods can be used to treat elevated CSF pressure (e.g., acquired communicating hydrocephalus, pseudotumor cerebri), normal pressure hydrocephalus, or as a temporary measure to drain CSF and/or blood from the subarachnoid space instead of inserting an external ventricular drain in the patient.

Systems and methods for implanting an endovascular shunt in a patient is disclosed. The system having an expandable anchor configured for being deployed in a dural venous sinus of a patient at a location distal to a curved portion of a wall of an inferior petrosal sinus (IPS) of the patient; an elongate guide member coupled to, and extending proximally from, the anchor; a shunt delivery catheter having a first lumen configured to receive the guide member, and a second lumen extending between respective proximal and distal openings in the shunt delivery catheter, the shunt delivery catheter further having a penetrating element coupled to a distal end of the catheter; and the system further having a guard at least partially disposed over, and movable relative to, the penetrating element.

A blood clot removal device for removing blood clots from the vascular system of a patient is implantable in the patient's body. The blood clot removal device comprises a blood flow passageway to be connected to the patient's vascular system to allow circulation of the patient's blood through the blood flow passageway, a filter provided in the blood flow passageway for collecting blood clots occurring in the blood flowing through the blood flow passageway, and a cleaning device for moving blood clots collected by the filter out of the blood flow passageway. By means of such blood clot removal device, the risk of blood clots reaching sensitive areas of the patient's body, such as the brain, is reduced.

Embodiments for a cerebrospinal fluid flow detector for detecting the flow of cerebrospinal fluid are disclosed. In some embodiments, the cerebrospinal fluid flow detector includes a casing with a rotatable wheel having a plurality of radially extending arms disposed therein. The rotatable wheel is in communication with a channel having a distal end in communication with an inlet port and a proximal end in communication with an outlet port such that the flow of cerebrospinal fluid through the channel causes the rotatable wheel to rotate. In some embodiments, each radially extending arm includes at least one radiopaque marker in which movement of the rotatable wheel caused by fluid flow through the channel allows an X-ray imaging apparatus to detect the difference in position of a respective radiopaque marker at multiple times caused by rotation of the rotatable wheel.

A method for removing bodily fluid includes drawing bodily fluid that has accumulated in excess, converting the drawn fluid from bulk liquid form to aerosol form, and disposing of the aerosol via evaporation of liquid droplets and absorption and/or diffusion of vapor. Conversion from bulk liquid to aerosol may include collecting the bulk liquid fluid in a reservoir, conveying the bulk liquid bodily fluid to an atomizer, converting the bulk liquid fluid into an aerosol having ultrafine droplets, and ejecting the aerosol into a subcutaneous space for disposal via evaporation of liquid droplets and absorption and/or diffusion of vapors. The method may be performed with a subcutaneous atomizer that may be controlled locally or by an external transmitter for effecting a conversion and mist rate to keep pace with the accumulation of excess bodily fluid.

The invention relates to a device for detecting a malfunctioning of a valve/catheters assembly for shunting a cerebrospinal fluid or the like, characterized in that it comprises: a chamber (6) which is placed inside the said housing; a laminar canal (4), a sensor (7) for measuring a pressure in the said chamber; a flexible membrane (5) separating the sensor from the chamber (6); control and communications electronics (8,9) able to exchange with an external reader in order to transmit a measurement by the said sensor, the sensor (7) being attached to the flexible membrane (5) with which it is in contact.