A surgical instrument navigation system and method of use is provided that visually simulates a virtual volumetric scene of a body cavity of a patient from a point of view of a surgical instrument residing in the cavity of the patient, wherein the surgical instrument, as provided, may be a steerable surgical catheter with a biopsy device and/or a surgical catheter with a side-exiting medical instrument, among others. Additionally, systems, methods and devices are provided for forming a respiratory-gated point cloud of a patient's respiratory system and for placing a localization element in an organ of a patient.

A thrombectomy device including a handle, a catheter and a cutting assembly at the distal end of the catheter. The thrombectomy device includes two oppositely wound helical wires, whereupon rotating in opposite direction, the helical wires cooperate to convey thrombus material form the distal end of the catheter to the proximal end of the thrombectomy device without the thrombus material adhering to the inner lumen of the catheter.

A thrombectomy catheter system can include a catheter configured for insertion into vasculature of a patient. The system includes a pressure chamber configured to isolate an internal volume from a surrounding environment. The system can include an infusion container including an infusion fluid therein. The pressure chamber can receive the infusion container. A drive unit can pressurize a working fluid in the pressure chamber with the infusion container received in the pressure chamber. In an example, pressurizing of the working fluid correspondingly compresses the infusion container to pressurize the infusion fluid and transfer the infusion fluid to the catheter. In an example, the infusion fluid is isolated from the working fluid by the infusion container when the working fluid is pressurized in the pressure chamber.

A method for mechanically capturing and removing a thrombus from a blood vessel includes contacting the thrombus with an inner catheter. A self-expanding body is advanced toward the thrombus, wherein the self-expanding body has a proximal end fixed to a distal end of an elongate catheter. The self-expanding body is preferably made from nickel-titanium and includes a tapered proximal end portion and an open distal end. The self-expanding body preferably has a mesh structure. The self-expanding body is allowed to self-expand in the blood vessel. At least a portion of the thrombus is captured by the self-expanding body and the captured thrombus is then retrieved into a lumen of an aspiration catheter. Negative pressure is applied through the lumen of the aspiration catheter during retrieval of the captured thrombus. A thrombolytic drug may be delivered into the blood vessel before capturing and removing the thrombus.

A surgical apparatus for treating a vessel blockage in a vessel of a patient having an elongated member having an outer wall, a first hole at a distal portion and a second hole spaced proximally from the first hole positioned in a side wall. A first lumen is provided within the elongated member for blood flow through the second hole, through the lumen and exiting the first hole to maintain blood flow during treatment of the vessel blockage. A motor driven impeller is rotatable during blood flow through the first lumen to enhance blood flow as blood flows into the second hole positioned proximal of the vessel blockage and exits the first hole distal of the vessel blockage during injection of fluid through one or more openings to treat the vessel blockage.

A medical device for removing an intravascular thrombus includes: a rotatable tubular driving shaft in which a spiral-shaped carrier is provided on an inner surface thereof; a cutting part that is provided on a distal side of the driving shaft and cuts the thrombus; and an elongated resistive body that is disposed in a lumen of the driving shaft and can be rotated relative to the driving shaft.

According to one aspect, a medical device may be configured for use with an endoscope and may include a tool. The tool may include an actuator, at least one extension at a distal portion of the actuator, and a distal end. The at least one extension may extend radially outward from the actuator and may have an edge configured to fragment debris within a body. The medical device may also include a cap configured for coupling to a distal end of the endoscope, and the cap may include a body defining an opening and a cavity. The opening may be configured to align with optics of the endoscope, and the at least one extension may be positioned within the cavity of the body.

An example aspiration system includes an inner member configured to be received within an aspiration catheter lumen and disrupt a thrombus positioned within vasculature of a patient. The inner member includes a distal member at a distal portion of an elongated support member, where the distal member is configured to fit within the aspiration catheter lumen. The distal member defines a larger cross-sectional dimension than the elongated support member, the cross-section being taken in a direction orthogonal to a longitudinal axis of the support member, and is configured to be deployed distally outward from a distal opening of the aspiration catheter lumen to contact and disrupt a thrombus to facilitate the efficiency of a medical aspiration procedure. The distal member may include one or more tapered portions and a surface disruption configured to aid with the thrombus disruption.

A system of devices for treating an artery includes an arterial access sheath adapted to introduce an interventional catheter into an artery and an elongated dilator positionable within the internal lumen of the sheath body. The system also includes a catheter formed of an elongated catheter body sized and shaped to be introduced via a carotid artery access site into a common carotid artery through the internal lumen of the arterial access sheath. The catheter has an overall length and a distal most section length such that the distal most section can be positioned in an intracranial artery and at least a portion of the proximal most section is positioned in the common carotid artery during use.

The invention provides a filter assembly including a string or wire such that a lasso type cincture is effected, said filter being openable and closeable while in deployed within a bodily vessel. A string lengthen or shorting adjustment mechanism, such as a ratchet or reel allows more length of string into the device or alternatively to shorten the length of available string in the system. The described invention, when used to ameliorate venous clots and most arterio-venous dialysis grafts, a filter-tipped aspirator is used downstream from the clot to capture and remove dislocated emboli. A method of using same is disclosed.