Abstract: A bipolar electrosurgical device is disclosed that operates in a mechanical cutting mode and a hemostasis mode. The device includes a housing and a blade assembly extending from the housing. The blade assembly forms a cutting tip and cutting window at a distal end region to provide mechanical cutting of tissue and first and second electrode assemblies to provide electrical energy to tissue. The first and second electrode assemblies can each include a rotary connection assembly to allow spatial orientation of the cutting window relative to the housing and/or cutting tip.

Abstract: A bipolar electrosurgical device including an outer shaft, an inner shaft, first and second electrode surfaces, and an irrigation channel. The outer shaft defines a lumen, a proximal end and a distal end forming a cutting window. The inner shaft is rotatably disposed within the outer shaft, and defines a distal portion forming a cutting tip. The cutting tip and the cutting window combine to define a cutting implement. The first and second electrode surfaces are electrically isolated, and are formed at the cutting implement. The irrigation channel extends parallel to the outer shaft, and terminates in at least one outlet port. The outlet port is proximally spaced from the cutting window and is located radially outside of the outer shaft. Fluid (e.g., saline) is emitted at the exterior surface of the device near the cutting window and is readily present for interacting with the electrode surfaces.

Abstract: A method of removing bacterial biofilm from a target site of a human patient. A bacterial biofilm removal system is provided that includes an endoscope, an irrigation duct and an aspiration duct. The endoscope includes a working end. The irrigation duct includes an outlet. The aspiration duct includes an inlet. The endoscope working end, the irrigation duct outlet and the aspiration duct inlet are disposed proximate a target site that includes a layer of bacterial biofilm. The target site is imaged with the endoscope working end. The fluid is dispensed through the irrigation duct outlet toward the target site to mechanically remove at least a portion of the layer of bacterial biofilm. The removed bacterial biofilm and the dispensed fluid are collected with the aspiration duct inlet.

Abstract: Systems and methods for removal of bacterial biofilm from a target site of a human patient includes a surgical instrument having an introducer for bodily insertion and maintaining an irrigation duct and a nozzle. A distal portion of the introducer is transitionable between a plurality of bend angles relative to a proximal portion thereof. In particular, the instrument is adapted to independently maintain the distal portion at each of the plurality of bend angles relative to the proximal portion. The nozzle is maintained relative to the distal portion of the introducer and is adapted to dispense pressurized irrigant from the irrigation duct toward a layer of bacterial biofilm.

Abstract: An electrosurgical device having a tubular outer shaft and an inner shaft is disclosed. The tubular outer shaft includes an axis and a distal end region. The distal end region includes a distal-most tip and a cutting edge defining a window in the outer shaft proximal along the axis to the distal-most tip. The inner shaft inner shaft coaxially maintained within the outer shaft such that the inner shaft is movable about the axis with respect to the outer shaft and wherein a portion of the inner shaft is exposed in the window of the outer shaft. A first electrode is disposed on the outer shaft in a region proximal along the axis to the window, and a second electrode is electrically isolated from the first electrode and disposed on the inner shaft. The second electrode is exposed in the window of the outer shaft.

Abstract: A malleable cannula having multiple lumens, constrained at the proximal end portion to provide rigidity and malleable at the distal end portion. The cannula has a combination of flexibility and stiffness that assists in accessing body passageways without kinking.

Abstract: A reading and adjustment tool for use with a valve having a pressure or flow setting adjustable to a plurality of pressure or flow settings is disclosed. The tool includes a signal generator and an excitation coil coupled to the signal generator. The signal generator includes an adjustment interface configured to generate an adjustment signal to adjust the pressure or flow setting and a reading interface to generate a reading signal to read the pressure or flow setting of the valve. At least one excitation coil is connected to the signal generator and configured to generate an oscillating electromagnetic field based on one of the adjustment signal and reading signal. A sense coil can include two portions positioned on either side of the at least one excitation coil to determine the pressure or flow setting of the valve.

Abstract: A reading and adjustment tool for use with a valve having a pressure or flow setting adjustable to a plurality of pressure or flow settings is disclosed. The tool includes a signal generator and an excitation coil coupled to the signal generator. The signal generator includes an adjustment interface configured to generate an adjustment signal to adjust the pressure or flow setting and a reading interface to generate a reading signal to read the pressure or flow setting of the valve. At least one excitation coil is connected to the signal generator and configured to generate an oscillating electromagnetic field based on one of the adjustment signal and reading signal. A sense coil can include two portions positioned on either side of the at least one excitation coil to determine the pressure or flow setting of the valve.

Abstract: Systems and methods of removing bacterial biofilm from a target site using a biofilm removal endoscope. The endoscope has an insertion portion including an imaging channel terminating at a viewing window and an irrigation channel terminating at a nozzle. The imaging and irrigation channels are permanently affixed relative to one another. The insertion portion is inserted into the patient, with a working end thereof being disposed proximate the target site. The target site is imaged and a flow of fluid is dispensed via the nozzle to mechanically remove bacterial biofilm from the target site.

Abstract: A malleable cannula having multiple lumens, constrained at the proximal end portion to provide rigidity and malleable at the distal end portion. The cannula has a combination of flexibility and stiffness that assists in accessing body passageways without kinking.

Abstract: A delivery system for delivering multiple components that is assembled using snap-fit assembly and threadless engagement of syringes and associated parts.

Abstract: A turbulence-inducing mixing device facilitates mixing, solvating or hydrating materials while passing the materials between fluid delivery devices.

Abstract: A spray head having multiple openings arranged to provide at spray coverage throughout at least 90 degrees from the spray head central axis. The spray head may be used for applying tissue sealants.

Abstract: Systems and methods of removing bacterial biofilm from a target site using a biofilm removal endoscope. The endoscope has an insertion portion including an imaging channel terminating at a viewing window and an irrigation channel terminating at a nozzle. The imaging and irrigation channels are permanently affixed relative to one another. The insertion portion is inserted into the patient, with a working end thereof being disposed proximate the target site. The target site is imaged and a flow of fluid is dispensed via the nozzle to mechanically remove bacterial biofilm from the target site.

Abstract: A reading and adjustment tool for use with a valve having a pressure or flow setting adjustable to a plurality of pressure or flow settings is disclosed. The tool includes a signal generator and an excitation coil coupled to the signal generator. The signal generator includes an adjustment interface configured to generate an adjustment signal to adjust the pressure or flow setting and a reading interface to generate a reading signal to read the pressure or flow setting of the valve. At least one excitation coil is connected to the signal generator and configured to generate an oscillating electromagnetic field based on one of the adjustment signal and reading signal. A sense coil can include two portions positioned on either side of the at least one excitation coil to determine the pressure or flow setting of the valve.

Abstract: Systems and methods of removing bacterial biofilm from a target site using a biofilm removal endoscope. The endoscope has an insertion portion including an imaging channel terminating at a viewing window and an irrigation channel terminating at a nozzle. The imaging and irrigation channels are permanently affixed relative to one another. The insertion portion is inserted into the patient, with a working end thereof being disposed proximate the target site. The target site is imaged and a flow of fluid is dispensed via the nozzle to mechanically remove bacterial biofilm from the target site.

Abstract: A method of removing bacterial biofilm from a target site of a human patient. A bacterial biofilm removal system is provided that includes an endoscope, an irrigation duct and an aspiration duct. The endoscope includes a working end. The irrigation duct includes an outlet. The aspiration duct includes an inlet. The endoscope working end, the irrigation duct outlet and the aspiration duct inlet are disposed proximate a target site that includes a layer of bacterial biofilm. The target site is imaged with the endoscope working end. The fluid is dispensed through the irrigation duct outlet toward the target site to mechanically remove at least a portion of the layer of bacterial biofilm. The removed bacterial biofilm and the dispensed fluid are collected with the aspiration duct inlet.

Abstract: A surgical instrument for irrigating a frontal sinus target site of a patient including a handle, an introducer, an irrigation channel, a nozzle, and an actuator assembly. The introducer extends from the handle and defines a proximal segment and a distal segment. At least a portion of the proximal segment is linear and at least a portion of the distal segment is relatively curved. The nozzle is fluidly connected to the irrigation channel, and is rotatably maintained at a distal end of the introducer. The actuator assembly includes an actuator maintained by the handle and connected to the nozzle. Movement of the actuator causes the nozzle to rotate relative to the introducer. The introducer can be sized and shaped in accordance with a size and shape of the nasal passageway/frontal sinus of a human adult.

Abstract: Systems and methods for removal of bacterial biofilm from a target site of a human patient includes a surgical instrument having an introducer for bodily insertion and maintaining an irrigation duct and a nozzle. A distal portion of the introducer is transitionable between a plurality of bend angles relative to a proximal portion thereof. In particular, the instrument is adapted to independently maintain the distal portion at each of the plurality of bend angles relative to the proximal portion. The nozzle is maintained relative to the distal portion of the introducer and is adapted to dispense pressurized irrigant from the irrigation duct toward a layer of bacterial biofilm.

Abstract: Systems and methods of removing bacterial biofilm from a target site using a biofilm removal endoscope. The endoscope has an insertion portion including an imaging channel terminating at a viewing window and an irrigation channel terminating at a nozzle. The imaging and irrigation channels are permanently affixed relative to one another. The insertion portion is inserted into the patient, with a working end thereof being disposed proximate the target site. The target site is imaged and a flow of fluid is dispensed via the nozzle to mechanically remove bacterial biofilm from the target site.