A clot removal system for removing a clot from a body vessel, the clot removal system including: a microcatheter including: a distal segment comprising a first diameter; and a proximal segment comprising a second diameter; a stentriever positionable substantially within a lumen of a distal end of the microcatheter, the stentriever including: an engagement structure configured to expand when distal of the microcatheter in an expanded configuration, and an elongated member proximal of the engagement structure and extending to a proximal end of the microcatheter; and a hand control disposed on the proximal end of the microcatheter for controlling extending and retracting the engagement structure from the microcatheter.

Disclosed are rapidly insertable central catheter (“RICC”) insertion assemblies and methods. For example, a RICC insertion assembly can include a RICC, an access guidewire, an introducer needle, and a coupler coupling the foregoing components together. The introducer needle can include a needle shaft and a sheath. The needle shaft can include a longitudinal needle slot. The sheath can seal the needle slot thereunder except for a sheath opening thereto in a proximal portion of the sheath. The coupler can include a coupler housing and a valve module disposed in the coupler housing. The valve module can seal the needle shaft and the sheath therein. The access guidewire can include a proximal end coupled to the coupler and a distal end disposed in the introducer needle, thereby enforcing a loop in the access guidewire. The RICC can be disposed over the loop in a ready-to-deploy state of the RICC insertion assembly.

There is provided a microcatheter having a proximal solution lumen and a distal tip portion with a guidewire lumen. The microcatheter and methods of use thereof allows for introduction of solution into a vessel while manipulating the guidewire and/or the microcatheter itself. The solution may be a contrast solution, for viewing of the vessel, a therapeutic or diagnostic solution, or any other type of solution.

A catheter assembly includes an outer shaft having an outer shaft body forming an outer shaft bore that receives an inner shaft. The outer shaft has a wire transition section. The catheter assembly includes an exit path connector coupled to the outer shaft body at the wire transition section. The exit path connector has a rigid body section separate and discrete from the outer shaft body and coupled to the outer shaft body. The body section defines an exit path connector bore that receives the inner shaft. The body section has a side exit port at a side of the body section being open to the exit path connector bore. The catheter assembly includes a catheter wire passing through the side exit port from an interior to an exterior of the cable exit port.

An intracranial intervention system comprises a seeker wire and delivery catheter used to navigate and access a target location within the intracranial subarachnoid spaces (ISAS) of a patient. A microcatheter is then advanced through the delivery catheter to perform a therapeutic procedure, such as installing a shunt within the ISAS to drain cerebral-spinal fluid (CSF). The shunt may be configured to drain CSF from a first and second ISAS, and includes a distal portion which extends into the first ISAS via the second ISAS and a dural venus sinus (DVS) of the patient. The shunt has a main body portion positioned and secured within the second ISAS, a distal portion extending into the first ISAS and the main body portion in the second ISAS have CSF intake opening which allow CSF to flow into a shunt lumen and out through an outflow opening positioned in the DVS.

Methods and devices for trans-jugular carotid access are disclosed. Methods within the scope of this disclosure include methods of trans-jugular carotid access originating in the leg of a patient or other location remote to the jugular vein and carotid artery and methods originating at the neck of a patient. Devices used in connection with the disclosed methods may comprise access catheters, lumens, and stylets.

Methods and devices for trans-jugular carotid access are disclosed. Methods within the scope of this disclosure include methods of trans-jugular carotid access originating in the leg of a patient or other location remote to the jugular vein and carotid artery and methods originating at the neck of a patient. Devices used in connection with the disclosed methods may comprise access catheters, lumens, and stylets.

Balloon/infusion catheters comprise internal corewires within a single lumen structure in which the corewire can slide relative to the catheter tube within limits, and the balloon is attached to the catheter tube on one end and to the sliding corewire on the other end. The lumen provides fluid to inflate the balloon and to infuse fluid into the vessel proximal to the balloon. The infusion ports can have a polymer valve to limit infusion to lumen pressures at which the balloon is appropriately inflated. The balloon/infusion catheter can have an integral flow meter near its proximal end. Corresponding methods for use of the balloon/infusion catheter are described, such as for the delivery of hydraulic forces when used in conjunction with an aspiration catheter.

Medical devices and methods for delivering fluid. The medical devices include one or more needles for delivering fluid. The methods may optionally include expanding an expandable member such as an inflatable member to expand an expandable scaffold outward toward a lumen wall. The methods may include delivering a first fluid out of one or more needles, and delivering a secondary fluid (which may be the same type of fluid as the first fluid, or a different type of fluid) from the device without delivering the secondary fluid through a needle.

A thrombectomy system may include an elongate shaft that defines a high pressure lumen and a low pressure lumen. The high pressure lumen may terminate near an end of the low pressure lumen. An expandable capture basket may be disposed near the end of the low pressure lumen. A thrombectomy apparatus may include an elongate shaft, an evacuation lumen extending within the elongate shaft and a high pressure lumen extending within the elongate shaft. A capture apparatus may be disposed within a wire lumen that extends within the elongate shaft such that the capture apparatus extends distally from the wire lumen.