The present disclosure relates to medical devices comprising detachable balloons and catheter assemblies, wherein the detachable balloons are polymer balloons, metal balloons, polymer-coated metal balloons, and metalized polymer balloons. Various means of attachment and detachment of the balloons to the catheter assemblies are described. Kits and uses of systems having one or more medical devices, detachable balloons, and elongated or expandable bodies are also disclosed.

Improved thermal detachment driven by leverage from: improved electrical locus targeting allows electron density to define Optimal Regions balancing the resistance and heat whereby, detachment systems are shifted and realigned coaxially and placed closer to the ends of subject coils while being hermetically sealed, manufacturing steps are taught, to show how system is made.

A system for delivering an implant within a patient is disclosed. The activation of the heater coil causes the degradation, melting or reduction of a component that brings the heater coil into or out of electrical contact with another component, or causes the individual loops of the coil to contact each other, thereby resulting a notable change in resistance in the circuit supplying the heater coil with electricity. A core wire terminates prior to the distal end of the device, allowing for greater flexibility.

Vaso-occlusive apparatuses, including implants, and methods of using them to treat aneurysms. The vaso-occlusive implants described herein include one or more soft and expandable braided member coupled to a pushable member such as a coil that maybe inserted and retrieved from within an aneurism using a delivery catheter as well as a friction element between the soft braided member and the coil. The friction element allows the relatively soft and elongate implant to be pushed out of a cannula without binding up within the cannula.

Methods and devices for treating a cerebral aneurysm are described. The device may include proximal and distal self-expanding resilient permeable shells each including a plurality of elongate resilient filaments having a braided structure. The distal permeable shell may include a first plurality of filaments gathered at least at the proximal end thereof. The proximal permeable shell may include a second plurality of filaments are gathered at least at the proximal end thereof. The expanded state of the distal permeable shell may have a convex shape at the distal end of the distal permeable shell and the expanded state of the proximal permeable shell may have a generally convex shape at the proximal end of the proximal permeable shell. The expanded states of the distal and proximal permeable shells may also define a toroidal cavity through which an elongate support member extends.

An occlusive device, occlusive device delivery system, method of using, and method of delivering an occlusive device, and method of making an occlusive device to treat various intravascular conditions is described.

An embolization device may include a fiber section having a plurality of polymeric electrospun fibers and, optionally, a contrast agent. An embolization device may further include a plurality of fiber sections, wherein each fiber section is separated by a linker. A method of deploying such an embolization device may include inserting the embolization device into a vessel. The method may further include applying an electrical current to one or more of the linkers, applying electrothermal heat to at least a portion of the device, or applying force to at least a portion of a delivery vehicle for the device. A method of manufacturing the device may include electrospinning a fiber section, and processing the fiber section by straining, twisting, heating, or shaping it.

A non-transitory computer readable medium containing instructions that when executed by at least one processor, cause the at least one processor to perform operations for monitoring partitioning of a medical instrument during an endovascular procedure. The operations may further be configured to obtain an input to activate a partitioning mechanism associated with a medical instrument within a lumen of a catheter, the catheter being positioned within a body. Further, embodiments may be configured in response to the input, to activate the partitioning mechanism. The operations may further be configured, following the activation, to obtain partitioning outcome data. The operations may determine, based on the partitioning outcome data, whether the medical instrument may be in a severed state or a connected state. The operations may, if the severed state of the medical instrument is detected, output a success notification. Some embodiments may be configured, if the connected state of the medical instrument is detected, to output at least one of (i) a control signal to vary activation of the partitioning mechanism or (ii) an instruction to reposition the medical instrument relative to the partitioning mechanism.

Consistent with disclosed embodiments, systems, devices, methods, and computer readable media for filling a hollow body structure may be provided. In some implementations, an endovascular instrument for filling a hollow body structure may be provided and may include an elongated member configured to exhibit differing coiling properties along a length thereof. The elongated member may include a first region configured to bend within the hollow body structure to form a stabilizing frame. The elongated member may also include a second region located proximal to the first region and configured to bend, after formation of the frame, substantially within the frame, thereby forming a curved mass substantially within the frame. The first region and the second region may be interconnected. The embodiments may further include at least one structural property that differs between the first region and the second region.

Data supported zero displacement implant/coil detachment system is, for example, gamma-irradiated post manufacturing, but made with no tension/zero displacement using more than 1 SR thread.