Abstract:
Systems and methods for treating a tissue region employ an expandable structure projecting beyond the distal end of a catheter tube. A distal tail projects beyond the far end of the basket assembly. The distal tail includes a guidewire lumen that accommodates passage of a guidewire without threading the guidewire through the catheter tube.
Abstract:
A method of fabricating a substrate free light emitting diode (LED), includes arranging LED dies on a tape to form an LED wafer assembly, molding an encapsulation structure over at least one of the LED dies on a first side of the LED wafer assembly, removing the tape, forming a dielectric layer on a second side of the LED wafer assembly, forming an oversized contact region on the dielectric layer to form a virtual LED wafer assembly, and singulating the virtual LED wafer assembly into predetermined regions including at least one LED. The tape can be a carrier tape or a saw tape. Several LED dies can also be electrically coupled before the virtual LED wafer assembly is singulated into predetermined regions including at the electrically coupled LED dies.
Abstract:
Integrated systems and associated method for manipulating tissues and anatomical or other structures in medical applications for the purpose of treating diseases or disorders or other purposes. In one aspect, the system includes a delivery device configured to deploy and implant anchoring devices for such purposes.
Abstract:
Intergrated systems and associated method for manipulating tissues and anatomical or other structures in medical application for the purpose of treating diseases or disorders or other purposes. In one aspect, the system includes a delivery device configured to deploy and implant anchor device for such purposes.
Abstract:
An LED headlamp array having discrete LED light source modules, where each light source module has an LED light source, optics dedicated to each LED light source, and a faceted reflector.
Abstract:
A sphincter tissue region is treated using a support structure sized for advancement into the anal canal. At least one electrode is carried by the structure. A mechanism is coupled to the electrode to move the electrode between a first position retracted in the support structure and a second position extended from the support structure through surface tissue to penetrate a subsurface tissue region at or near a sphincter in the anal canal. A cable is coupled to the electrode to conduct energy for application by the electrode to form a lesion in the subsurface tissue region.
Abstract:
An assembly for treating tissue at or near the sphincter includes a support structure for deployment in a tissue region, and a an electrode carried by the support structure. The support structure includes a spine with a lumen having an exit port, the electrode being deployable from the exit port. The spine also includes a cooling lumen and as aspiration lumen to provide and remove fluids, respectively.
Abstract:
An intracardiac electrical potential reference catheter includes a proximal shaft section in a distal flexible tip section. The flexible tip section shaped in a geometry suitable for performing intracardiac mapping and includes a plurality of electrode axially spaced-apart thereon. The shaft section is formed from a polymeric material and includes a reinforcement layer, typically a stainless steel braid. The flexible tip section is also formed from a polymeric material and is free from any braided reinforcement. A core wire is attached to a proximal housing on the catheter at one end and to a distal electrode tip at the other end. In this way, the torque is transmitted along the length of the catheter by both the reinforced shaft and separately by the core wire.
Abstract:
A steerable catheter suitable for radiofrequency ablation of cardiac tissue comprises a catheter shaft with a deflectable tip at the distal end of the shaft. The tip is deflected by means of a shapable handle coupled to pull wires fastened to the distal end of the deflectable tip. A core wire extends from the handle to the distal tip, providing fine positioning of the deflectable tip by applying torque through the core wire to the tip. A spring tube is further provided in the deflectable tip for improved torque transmission and kink-resistance. The catheter has an electrode at the distal end of the deflectable tip for positioning at a target site and applying RF power to accomplish ablation.
Abstract:
A light source and method for fabricating the same are disclosed. The light source includes a die, a light conversion component, and a scattering ring. The die emits light of a first wavelength through a top surface of the die and one or more side surfaces of the die, and is bonded to a mounting substrate. The light conversion component converts light of the first wavelength to light of a second wavelength, the light conversion component having a bottom surface bonded to the top surface of the die. The light conversion component has lateral dimensions such that a space exists around the die, the space being bounded by the substrate and the light conversion component. The scattering ring is positioned in the space such that a portion of the light emitted from the side surfaces of the die is scattered into the light conversion component.