Abstract: A thrombectomy apparatus includes a funnel that is secured to a distal end of a catheter. The funnel includes a braided inner layer, a braided outer layer and a reinforcing structure disposed therebetween. The reinforcing structure includes a tubular metal member and a plurality of fingers extending distally from the tubular metal member. Each finger defines two or more pockets. Each of two or more rings extend through a pocket of each of the plurality of fingers, the pockets limiting axial movement of each of the two or more rings. A tractor is adapted to extend over the outer surface of the catheter and the funnel in an un-inverted configuration and to extend in an inverted configuration through the funnel and into the lumen. An elongate member extends through the lumen and is secured to an end of the tractor disposed within the lumen.

Abstract: A circulatory support system may include a blood pump, one or more sensors, and a controller in communication with the one or more sensors. The blood pump may include a driven component and a motor in communication with the driven component to drive the driven component to pump a blood flow through the blood pump. A sensor of the one or more sensors may be configured to sense a value related to a speed of the motor. The controller may be configured to provide a command signal to the motor to drive the driven component and determine one or more values related to the blood flow pumped through the blood pump based on the value related to the speed of the motor and the command signal.

Abstract: This disclosure provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device system for treating a heart, includes a control system including a processor and a pump, a hub coupled to the control system, a control system including a processor and a pump, a hub coupled to the control system, a first catheter shaft having a first lumen and a first end coupled to the hub, a second catheter shaft extending within the first lumen and having a first end couple to the hub, a first expandable member disposed on the first catheter shaft, wherein the first expandable member is configured to be positioned in the superior vena cava and a second expandable member disposed on the second catheter shaft distal to the first expandable member, wherein the second expandable member is configured to translate relative to the first expandable member.

Abstract: A thrombectomy apparatus includes a catheter having a funnel is secured to a distal end and extending distally therefrom. The funnel includes a braided inner layer, a braided outer layer, and a reinforcing structure disposed between the braided inner layer and the braided outer layer, the reinforcing structure including a plurality of arched wires extending between the braided inner layer and the braided outer layer. A tractor is adapted to extend over the outer surface of the catheter and the funnel in an un-inverted configuration and to extend in an inverted configuration through the funnel and into the lumen, the tractor adapted to invert by rolling over the distal end of the funnel when the tractor moves proximally. An elongate member extends through the lumen and is secured to an end of the tractor disposed within the lumen.

Abstract: A thrombectomy apparatus for removing a clot from a vessel includes a catheter defining a lumen extending proximally from a distal end. A funnel is secured to the distal end and extends distally therefrom, the funnel includes a braided inner layer and a braided outer layer, the braided outer layer folded over the braided inner layer and adapted to constrain the braided inner layer. A tractor is adapted to extend over an outer surface of the catheter and the funnel in an un-inverted configuration and to extend in an inverted configuration through the funnel and into the lumen, the tractor adapted to invert by rolling over the distal end of the funnel when the tractor moves proximally. A puller extends through the lumen and is secured to an end of the tractor disposed within the lumen.

Abstract: A mechanical circulatory support system may include a blood pump, an elongate tube coupled with the blood pump and extending proximally from the blood pump, and a flexible elongate shaft configured to be removably positioned within the elongate tube. The blood pump may be configured to pump blood from a ventricle of a heart of a patient to vasculature of the patient. The elongate shaft may be inserted into the elongate tube prior to or during delivery of the blood pump to the heart to achieve a desired pushability along the elongate tube. The elongate shaft may be removed from the elongate tube to increase a flexibility along the elongate tube to mitigate movement at a proximal end of the elongate tube being transferred to the blood pump positioned in the heart.

Abstract: Systems, apparatuses, and methods for electroporation ablation therapy are disclosed, with a protection device for protecting electronic circuitry, devices, and/or other components from induced currents and voltages generated during a cardiac ablation procedure. A system can include an ablation device near cardiac tissue of a heart. The system can further include a signal generator configured to generate a pulse waveform, where the signal generator coupled to the ablation device and configured to repeatedly deliver the pulse waveform to the ablation device in synchrony with a set of cardiac cycles of the heart. The system can further include a protection device configured to suppress induced current and voltage in an electronic device coupled to the protection device.

Abstract: A medical system may comprise an endoscope, including a handle and a sheath having a first illumination source, a second illumination source, and an imaging device at a distal tip of the sheath. The first illumination source may be configured to emit white light. The second illumination source may be configured to emit a non-white light. The system may also comprise a display device, a controller configured to interface with the endoscope and the display device, and a carrying case configured to contain the endoscope, the display device, and the controller.

Abstract: The invention discloses an implant. The implant may include a first flap and a second flap. The first flap may further include a first portion, a second portion and a transition region. The first portion may be configured to be attached proximate a sacrum. The second portion may be configured to be attached to an anterior vaginal wall. The transition region lies between the first portion and the second portion. The second flap may be fabricated such that a portion of the second flap is configured to be attached to a posterior vaginal wall. The implant may be configured such that a value corresponding to a biomechanical parameter defining a biomechanical attribute of the portion of the first flap attaching to the anterior wall is different from a value of the biomechanical parameter defining the biomechanical attribute of the portion of the second flap attaching to the posterior wall.

Abstract: A medical device includes a sheath extending longitudinally from a proximal end to a distal end and a handle coupled to the proximal end of the sheath. The handle includes a deflection lever coupled thereto. The deflection lever is rotatable proximally and distally along the handle to deflect a distal end of the shaft to which it is operably coupled and a locking mechanism movable between an locked configuration in which the locking mechanism engages an engagement feature on the outer surface of the handle, preventing the deflection lever from rotating and locking the distal end of the shaft in a desired position, and an unlocked configuration in which the locking mechanism releases the engagement feature to allow rotation of the deflection lever and deflection of the distal end of the shaft.

Abstract: A method for coupling a first medical device component to a second medical device component comprising altering the first medical device component from a natural state to an altered state, by reducing a cross-sectional dimension of the first medical device, fitting a first portion of the first medical device component in the altered state into a first opening of the second medical device component, wherein the first medical device component includes second portions not within the first opening of the second medical device component, and allowing the second portions of the first medical device component to revert back to the natural state.

Abstract: A circulatory support system may include a blood pump and a controller. The blood pump may include a driven component and a motor in communication with the driven component and the controller to drive the driven component to pump a blood flow through the blood pump. The controller may be configured to receive a value of a circulatory parameter related to blood flow through a patient, determine a value of a command signal based on the received value, and output the command signal to the motor to drive the driven component at a speed configured to achieve the value of the circulator parameter related to blood flow through the patient.

Abstract: Methods and systems providing fluid flow to an endoscope. A container and tube set configured to couple to an endoscope may comprise a first container configured to contain a fluid, a first water supply tube including a first lumen extending therethrough and in fluid communication with the first container, a branched connector positioned in line with the first water supply tube and including a first fluid inlet, a first fluid outlet, and a second fluid outlet, a second container having a second fluid inlet in selective fluid communication with the second fluid outlet of the branched connector, a flow control valve positioned to obstruct flow between the second fluid outlet of the branched connector and the second fluid inlet of the second container, and a second water supply tube including a second lumen extending therethrough and in selective fluid communication with the bottom portion of the second container.

Abstract: A medical device may comprise a proximal component. The proximal component may comprise a handle with a coupling portion. The coupling portion is configured to releasably couple to a distal joint of a distal component of the medical device. A proximal wire may extend distally from the handle. The distal end of the proximal wire may include a connector that may be configured to releasably connect to a distal wire of the distal component of the medical device.

Abstract: A medical device comprising a shaft, a handle housing a proximal end of the shaft, a first channel extending throughout a lumen of the shaft, wherein the first channel is rotatable about a longitudinal axis of the shaft, the channel including a proximal end and a distal end, and an actuator, wherein a distal end of the actuator is configured to engage and disengage with the proximal end of the first channel, such that in an engaged position the actuator and the first channel are rotatable.

Abstract: A medical device may include a conduit and a porous body coupled to a distal end of the conduit. The medical device may have a first loop extending proximally from a proximal end of the porous body. The medical device may have a second loop extending distally from a distal end of the porous body.

Abstract: A steerable elongate medical device includes a composite shaft and a handle that is removably securable to the composite shaft. The composite shaft includes a first shaft component and a second shaft component. The composite shaft bends in a first direction when the first shaft component is heated above a transition temperature and bends in the first direction. The composite shaft bends in an opposing second direction when the second shaft component is heated above the transition temperature and bends in the second direction. The handle enables a user to selectively pass an electrical current through either of the first shaft component or the shaft component in order to electrically heat the selected shaft component.

Abstract: A system for determining characteristics of tissue within a body of a patient may include a medical device. The medical device may include a distal end configured to be advanced within the body of the patient; at least one aperture at the distal end; a laser emitter operable to emit monochromatic light out from the distal end via the at least one aperture and onto target tissue; and at least one photodetector array. The at least one photodetector array may be configured to: receive light incident on the at least one aperture that is one or more of scattered by or reflected from the target tissue; and generate Raman spectroscopy image data based on monochromatic light incident on the at least one aperture, the Raman spectroscopy image data including an array of intensity values.

Abstract: Medical devices and related methods are described, including a medical device that includes a tubular assembly including a plurality of tubes. Each tube of the plurality of tubes may be configured to be coupled to a vacuum source to deliver negative pressure to a distal end of each respective tube of the plurality of tubes. The medical device may further include a porous assembly including a plurality of sections and may be coupled to a distal end of the tubular assembly. Each section of the plurality of sections may be coupled to a respective tube of the plurality of tubes.

Abstract: Devices, systems, and methods for a suction valve assembly for a medical device. The suction valve assembly includes a cylindrical valve body, a valve cap, a sliding shaft, and a lower seal. The valve body has a vent opening at the top, a working opening in at bottom, and a suction source opening in the side surface. The valve cap, sliding shaft, and lower seal move vertically relative to the valve body between an upper position, where the lower seal is seated against the valve body and obstructs the working opening, and a lower position, wherein the lower seal is below the working opening and allows suction through the suction source opening.