| Entries |
| Document | Title | Date |
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| 20080262512 | Thrombolysis In Retinal Vessels With Ultrasound - Systems and methods are described providing for the use of ultrasound energy to effect the dislodging of one or more blood clots inside blood vessels. Such clots can include those inside retinal vessels, especially in patients with central retinal vein occlusion. Embodiments of the present disclosure may be used for any retinal arterial or venous occlusion. In exemplary embodiments, a small probe can be inserted into the eye of a patient and placed over the retinal vessels. Acoustic streaming created by the probe can be directed to an area or region including targeted blood vessels, resulting in increased flow in one or more retinal veins and facilitating or effecting mechanical dislodging of one or more blood clots in the targets blood vessels. Exemplary embodiments can utilize ultrasonic energy produced at a frequency of approximately 44 MHz to 46 MHz with pulse repetition frequencies of approximately 100 Hz to 100 kHz. | 10-23-2008 |
| 20090082781 | Implantable ultrasound system for maintaining vessel patency and perfusion - An apparatus comprising an implantable acoustic transducer, an acoustic transducer interface circuit communicatively coupled to the acoustic transducer, and a controller circuit communicatively coupled to the acoustic transducer interface circuit. The controller is configured to, in response to receiving an indication of a patient condition associated with a development of a blood vessel obstruction, initiate delivery of acoustic energy that mitigates the blood vessel obstruction. Other systems and methods are described. | 03-26-2009 |
| 20090112228 | INTRAVASCULAR FILTER DEVICE WITH PIEZOELECTRIC TRANSDUCER - An intravascular filter assembly is disclosed for fragmenting a thrombotic or atherosclerotic occlusion and capturing thrombotic or atherosclerotic debris within a blood vessel. The intravascular filter assembly includes an elongate shaft and an expandable filter coupled to the distal region of the elongate shaft. One or more piezoelectric elements are secured to the elongate shaft at a location proximal of the expandable filter. A conducting wire is attached to the one or more piezoelectric elements and extends toward the proximal end of the elongate shaft. The one or more piezoelectric elements are configured to generate ultrasonic waves when subjected to an electrical voltage to fragment a thrombotic or atherosclerotic occlusion within a blood vessel. | 04-30-2009 |
| 20090216246 | ULTRASOUND CATHETER DEVICES AND METHODS - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, an ultrasound catheter device includes an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. A proximal housing of the catheter device may include one or more features for dissipating heat from the ultrasound transmission wire, such as a fluid inlet aperture for passage of fluid, use of heat conductive materials in the proximal housing, surface features to increase the housing's surface area, heat conductive members disposed adjacent the transmission member and the like. Various irrigation fluids may be used, such as cooled, oxygen supersaturated or lubricious fluids. | 08-27-2009 |
| 20090248034 | Method of Diagnosing and Treating Benign Prostatic Hyperplasia - A method of diagnosing and treating a patient having benign prostatic hyperplasia caused by insufficient blood flow to the prostate due to atherosclerosis of a pelvic artery is disclosed. A method of diagnosing the patient's condition includes determining if a stenosis exists within a pelvic vessel. A method of treating the patient's condition may include placing a stent within the stenosed pelvic artery. | 10-01-2009 |
| 20090312768 | SHOCKWAVE BALLOON CATHETER SYSTEM - A system for breaking obstructions in body lumens includes a catheter including an elongated carrier, a balloon about the carrier in sealed relation thereto, the balloon being arranged to receive a fluid therein that inflates the balloon, and an arc generator including at least one electrode within the balloon that forms a mechanical shock wave within the balloon. The system further includes a power source that provides electrical energy to the arc generator. | 12-17-2009 |
| 20100016862 | METHOD OF PROVIDING EMBOLIC PROTECTION AND SHOCKWAVE ANGIOPLASTY THERAPY TO A VESSEL - A system comprises a guide wire, an embolic protection basket carried on the guide wire, and a catheter carried on the guide wire adjacent the embolic protection basket. The catheter includes an elongated carrier and a balloon about the carrier in sealed relation thereto. The balloon is arranged to receive a fluid therein that inflates the balloon, and an arc generator including at least one electrode within the balloon forms a mechanical shock wave within the balloon. | 01-21-2010 |
| 20100049209 | ULTRASOUND CATHETER APPARATUS - Ultrasound catheter devices and methods of the present invention generally provide for ablation and/or disruption of vascular occlusions. An ultrasound transmission member, such as a wire, transmits vibrational energy from an ultrasound transducer to a distal head of the catheter to disrupt vascular occlusions. An absorber member is disposed on or around the ultrasound transmission wire at a location adjacent the sonic connector of the catheter. The absorber member absorbs heat, vibrations, and/or the like from the ultrasound transmission wire at or near the area where the transmission wire is coupled with the sonic connector. The absorptive function typically slows the process of wear and tear on the transmission wire, thus extending the useful life of the ultrasound catheter. | 02-25-2010 |
| 20100057097 | Micro-emulsifier for arterial thrombus removal - Disclosed is a micro-emulsifier comprising a stack of piezoelectric materials, a horn at a proximal end of the stack of piezoelectric materials, and a transmission wire receivable in the horn for transmission of ultrasound waves able to be produced by the stack of piezoelectric materials. The ultrasound waves are able to be produced in a direction parallel to a longitudinal axis of the stack of piezoelectric materials and the horn. The transmission wire comprises a first end receivable in the horn and a second end remote from the first end, the second end having a bulb thereon. | 03-04-2010 |
| 20100106164 | Retrieval Basket with Releasable Tip - A medical retrieval device is used to retrieve and/or fragment stones (and/or other objects) from the body of a patient. The device has a retrieval basket with a releasable tip. The tip release is designed to release in a controlled pre-determined manner and under a predetermined force before any other component of the device fails due to a force exerted on the basket. | 04-29-2010 |
| 20100145356 | Irrigating Catch and Removal Device - A retrieval device is provided for capturing and retrieving stones, calculi, and other objects from a body. The retrieval device includes an irrigation orifice to irrigate a passageway. Irrigating the passageway helps to keep the viewing area free from debris and particulate matter. | 06-10-2010 |
| 20100185210 | Method of Capturing and Macerating Particles in a Blood Vessel - A method of capturing and macerating particles in a blood vessel is provided. A vascular filter device is implanted in the blood vessel at a treatment site. The vascular filter device comprises a filter body and an agitation member disposed within the filter body. Movement of the agitation member acts on particles trapped within the filter body for enhancing the dissolution of the particles, thereby reducing the likelihood of filter occlusion and improving the flow of blood through the vessel. The vascular filter device is preferably collapsible for percutaneous delivery to a treatment site. The agitation member is preferably rotatably coupled to the filter body. A power source is provided for moving the agitation member. In various examples, the power source may take the form of an energy storage device, a drive catheter, or a magnetic field. | 07-22-2010 |
| 20100204712 | NEUROVASCULAR MICROCATHETER DEVICE, SYSTEM AND METHODS FOR USE THEREOF - The present invention relates to neurovascular thrombectomy devices that include an occlusion microcatheter and fluid-assisted microcatheter fitted within the occlusion microcatheter. Also provided are systems and methods for neurovascular thrombectomy using the devices of the invention. | 08-12-2010 |
| 20100217275 | DEVICE FOR INDUCING VIBRATIONS IN A GUIDEWIRE - The invention relates to the field of minimal invasive catheterization, in particular to an apparatus for opening and/or removing obstructions occluding body internal passages by means of an active guidewire comprising a coil to which an alternating voltage can be applied. In that way the guidewire can vibrate if an external magnetic field is applied. | 08-26-2010 |
| 20100217276 | METHODS AND SYSTEMS FOR TREATMENT OF ACUTE ISCHEMIC STROKE - Methods and devices are disclosed that enable safe, rapid and relatively short and straight access to the cerebral arteries for the introduction of interventional devices to treat acute ischemic stroke. In addition, the disclosed methods and devices provide means to securely close the access site to the cerebral arteries to avoid the potentially devastating consequences of a transcervical hematoma. | 08-26-2010 |
| 20100268247 | EXPANDABLE MEDICAL RETRIEVAL DEVICE AND RELATED METHODS OF USE - Embodiments of the invention are directed to a medical device and methods for immobilizing and retrieving material from a patient's body. The device may include a sheath having a lumen, a distal end, and a proximal end. An elongate member is provided including an expansible member connected to a distal portion of the elongate member. The elongate member and expansible member are movable relative to the sheath to achieve a first state of the expansible member when the expansible member is within the lumen of the sheath and an expanded state when the expansible member extends from the distal end of the sheath. The expansible member comprises a material that expands to the expanded state due to the presence of fluid. | 10-21-2010 |
| 20100286709 | Device and method for fragmenting and removing concretions from body ducts and cavities - A medical device and method for breaking a concretion in a body into smaller pieces and removing the pieces from the body are described. The device comprises a dilator sheath, a lithotripsy probe, a tubular member, and a retrieval basket. The dilator sheath adapted to penetrate into a passage of the body to reach the location where the concretion is located. The lithotripsy probe is configured for shattering the concretion into smaller pieces. The tubular member is mounted within the dilator sheath adapted to permit the lithotripsy probe to be inserted into the tubular member. The retrieval basket is coupled to the tubular member, and configured for entrapping the concretion and the smaller pieces for their extraction from the body. The retrieval basket comprises a structure constituted by a plurality of filaments extending from a basket proximal end towards a basket distal end, and then returning to the proximal end after forming a plurality of filament loops in the basket distal portion, and a plurality of filament strands at the basket proximal portion. | 11-11-2010 |
| 20110009876 | RETRIEVAL DEVICE MADE OF PRECURSOR ALLOY CABLE - A medical retrieval device for retrieving foreign objects from a patient and the method of constructing the device are disclosed. The device incorporates a wire cable composed of a precursor alloy to a superelastic material to improve durability of the device. Because precursor alloys exhibit, a linear stress-strain relationship and a yield point associated with a relatively high stress level, the device transfers greater stresses before experiencing deformation. Thus, greater crushing forces can be achieved using a device of this type. These crushing forces may be needed when the foreign object is too large to remove intact. This property also facilitates the device in dilating ducts to retrieve foreign objects. Using the precursor alloy additionally eliminates the need for heat treatment of the cables used in constructing the device. A retrieval device made of precursor alloy cable also is less susceptible to permanent deformation and unwinding during use. | 01-13-2011 |
| 20110125164 | ULTRASOUND CATHETER DEVICES AND METHODS - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, an ultrasound catheter device includes an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. A proximal housing of the catheter device may include one or more features for dissipating heat from the ultrasound transmission wire, such as a fluid inlet aperture for passage of fluid, use of heat conductive materials in the proximal housing, surface features to increase the housing's surface area, heat conductive members disposed adjacent the transmission member and the like. Various irrigation fluids may be used, such as cooled, oxygen supersaturated or lubricious fluids. | 05-26-2011 |
| 20110196384 | DEVICE FOR TRAVERSING VESSEL OCCLUSIONS AND METHOD OF USE - An apparatus, system and method for re-canalization or opening a passage through an occlusion in a blood vessel is provided. The apparatus and method, which are appropriate for both cardiovascular as well as peripheral vessels, use a pulling member and a spring element, for example a compression spring, to oscillate a vibratable member, and the system of the invention includes the apparatus and a control unit to permit the frequency or amplitude of oscillation of the vibratable member to be adjusted. Also provided is a method for oscillating a vibratable member using a pulling member and a spring element. The apparatus and system are useful not only for penetrating a total or partial occlusion, but also to improve deliverability of a catheter through a partially occluded vessel or a tortuous vessel. | 08-11-2011 |
| 20110208206 | METHOD AND SYSTEM FOR DESTROYING OF UNDESIRABLE FORMATIONS IN MAMMALIAN BODY - A method and a system for destruction of an undesirable formation in a mammalian body are described. The invention is based on inserting a probe into mammalian body; said probe is electrically connectable to a control unit and upon bringing the probe in physical contact with the formation supplying pulses of energy from the control unit to the probe in order to destroy the formation. The invention further comprises counting amount of pulses being supplied to the probe and establishing a remaining service life of the probe by subtracting the amount of pulses being supplied to the probe from an amount of pulses corresponding to initial service life of the probe. The treatment session is automatically terminates as soon as amount of pulses being supplied to the probe approaches at least a fraction of the established remaining service life of the probe. The established remaining service life of the probe is stored for new treatment session. Delivery of pulses automatically terminates when the remaining service life is exhausted and use of such probe becomes impossible. | 08-25-2011 |
| 20120071889 | RADIALLY-FIRING ELECTROHYDRAULIC LITHOTRIPSY PROBE - Invasive side-firing electrohydraulic lithotripsy probes that creates a substantially annular shockwave to break up concretions are disclosed. Generally, the side-firing electrohydraulic lithotripsy probe includes a lithotripter tip including a first electrode and a second electrode. The first electrode is positioned at a distal end of the lithotripter tip and the second electrode is positioned in the lithotripter tip such that an end of the second electrode is coaxially aligned with an end of the first electrode. An electric arc between the first and second electrodes causes a shockwave to radiate radially from the lithotripter tip. | 03-22-2012 |
| 20120221013 | NON-CAVITATION SHOCKWAVE BALLOON CATHETER SYSTEM - An angioplasty catheter includes an elongated carrier, and an angioplasty balloon about the carrier in sealed relation thereto. The balloon is arranged to receive a fluid therein that inflates the balloon. The catheter further includes a shock wave generator within the balloon that forms a rapidly expanding and collapsing bubble within the balloon to form mechanical shock waves within the balloon. The expanding bubble forms a first shock and the collapsing balloon forms a second shock wave. The shock wave generator is arranged such that the energy of the first shock wave is greater than the energy of the second shock wave. | 08-30-2012 |
| 20120253358 | FRACTURING CALCIFICATIONS IN HEART VALVES - A device for fracturing calcifications in heart valves including an expandable stabilizer ( | 10-04-2012 |
| 20120283743 | ULTRASOUND CATHETER HAVING IMPROVED DISTAL END - An ultrasound catheter has an elongate flexible catheter body having a lumen extending longitudinally therethrough, and an ultrasound transmission member extending longitudinally through the lumen of the catheter body. The ultrasound transmission member has a proximal end that is coupled to a separate ultrasound generating device, and a distal tip that is attached to the distal end of the ultrasound transmission member and which is located at the distal end of the catheter body. The distal tip has at least one dimensional step. The ultrasound transmission member is directly attached to the catheter body and/or to a guidewire tube, either directly or via an attachment device. The catheter has an additional radiopaque marker positioned on the distal end the catheter. | 11-08-2012 |
| 20130006265 | ULTRASONIC INSTRUMENT USING LANGEVIN TYPE TRANSDUCERS TO CREATE TRANSVERSE MOTION - A Langevin transducer horn uses split electroding or selective electroding of transducer elements and phase relationships of the voltages applied thereto to determine the relative longitudinal and flexural/transverse motion induced in the tip of the horn. | 01-03-2013 |
| 20130006266 | ULTRASONIC INSTRUMENT USING LANGEVIN TYPE TRANSDUCERS TO CREATE TRANSVERSE MOTION - A Langevin transducer horn uses split electroding or selective electroding of transducer elements and phase relationships of the voltages applied thereto to determine the relative longitudinal and flexural/transverse motion induced in the tip of the horn. | 01-03-2013 |
| 20130023897 | Devices and Methods for Endovascular Therapies - Medical devices to treat stenosis, inhibiting restenosis, plaque removal, crossing totally occluded arteries or veins, treatment of vulnerable plaque, as well as removal of blood clots from the patient body arc disclosed. Such devices maybe used alone or in combination with therapeutic drugs. In some embodiments, flow protection devices are used for homogeneous drug delivery and removal from the patient to minimize the systemic effect. In some other embodiments, ablated tissue or blood clots are removed from the body after the procedure. | 01-24-2013 |
| 20130030447 | SHOCKWAVE BALLOON CATHETER SYSTEM - A system for breaking obstructions in body lumens includes a catheter including an elongated carrier, a balloon about the carrier in sealed relation thereto, the balloon being arranged to receive a fluid therein that inflates the balloon, and an arc generator including at least one electrode within the balloon that forms a mechanical shock wave within the balloon. The system further includes a power source that provides electrical energy to the arc generator. | 01-31-2013 |
| 20130079797 | DEVICE AND METHOD FOR FRAGMENTING AND REMVOING CONCRETIONS FROM BODY DUCTS AND CAVITIES - A medical device and method for breaking a concretion in a body into smaller pieces and removing the pieces from the body are described. The device comprises a dilator sheath, a lithotripsy probe, a tubular member, and a retrieval basket. The dilator sheath adapted to penetrate into a passage of the body to reach the location where the concretion is located. The lithotripsy probe is configured for shattering the concretion into smaller pieces. The tubular member is mounted within the dilator sheath adapted to permit the lithotripsy probe to be inserted into the tubular member. The retrieval basket is coupled to the tubular member, and configured for entrapping the concretion and the smaller pieces for their extraction from the body. The retrieval basket comprises a structure constituted by a plurality of filaments extending from a basket proximal end towards a basket distal end, and then returning to the proximal end after forming a plurality of filament loops in the basket distal portion, and a plurality of filament strands at the basket proximal portion. | 03-28-2013 |
| 20130116703 | Apparatus for Using Hydrodynamic Cavitation in Medical Treatment - An apparatus for using hydrodynamic cavitation in medical treatment such as destroying kidney stones or killing infected cancer cells. This apparatus comprises a tank used as a container for a fluid, a compressor connected to the tank to maintain the input pressure of the fluid, a tubing wherein the fluid flows, a probe in which the cavitation occurs, a valve positioned inside the tubing, allowing the fluid to flow into the probe, a filter positioned inside the tubing, preventing the predetermined size particles flowing into the probe, a fitting connecting the probe to the tubing, a flowmeter measuring the volume flow rate of the fluid through the probe, an image capturing unit capturing the sequential images of bubbles growing and bubbles collapsing after the bubbles exit from the probe, a positioning assembly which adjusts the distance between the probe and the target surface, and a control and data acquisition unit. | 05-09-2013 |
| 20130131692 | CONTROL OF PULSE DUTY CYCLE BASED UPON FOOTSWITCH DISPLACEMENT - Phacoemulsification apparatus includes a phacoemulsification handpiece having a needle and an electrical circuitry for ultrasonic vibrating the needle. A power source provides pulsed electrical power to the handpiece electrical circuitry and an input is provided for enabling a surgeon to select an amplitude of dislighted pulses and a pulse width. A control system and pulse duty cycle is provided for controlling the off duty cycle to insure heat dissipation before a subsequent pulse is activated, including a foot pedal switch. | 05-23-2013 |
| 20130261639 | Lithotripsy Probes and Methods for Performing Lithotripsy - Various medical devices are described herein. More particularly, various probes used for performing lithotripsy and methods of performing lithotripsy are described. In an example, a probe comprises an elongate member comprising a proximal end, a distal end, a proximal portion, an intermediate portion, and a distal portion. The proximal portion has an outer diameter that is greater than the outer diameter of the distal portion. | 10-03-2013 |
| 20130345715 | AORTIC VALVE REPAIR - The present invention provides devices and methods for decalcifying an aortic valve. The methods and devices of the present invention break up or obliterate calcific deposits in and around the aortic valve through application or removal of heat energy from the calcific deposits. | 12-26-2013 |
| 20140039513 | LOW PROFILE ELECTRODES FOR AN ANGIOPLASTY SHOCK WAVE CATHETER - Described herein are low-profile electrodes for use with an angioplasty shockwave catheter. A low-profile electrode assembly may have an inner electrode, an insulating layer disposed over the inner electrode such that an opening in the insulating layer is aligned with the inner electrode, and an outer electrode sheath disposed over the insulating layer such that an opening in the outer electrode sheath is coaxially aligned with the opening in the insulating layer. This layered configuration allows for the generation of shockwaves that propagate outward from the side of the catheter. In some variations, the electrode assembly has a second inner electrode, and the insulating layer and outer electrode may each have a second opening that are coaxially aligned with the second inner electrode. An angioplasty shockwave catheter may have a plurality of such low-profile electrode assemblies along its length to break up calcified plaques along a length of a vessel. | 02-06-2014 |
| 20140039514 | SHOCK WAVE VALVULOPLASTY DEVICE WITH MOVEABLE SHOCK WAVE GENERATOR - A valvuloplasty system comprises a balloon adapted to be placed adjacent leaflets of a valve. The balloon is inflatable with a liquid. The system further includes a shock wave generator within the balloon that produces shock waves that propagate through the liquid for impinging upon the valve. The shock wave generator is moveable within the balloon to vary shock wave impingement on the valve. | 02-06-2014 |
| 20140046339 | ACOUSTIC THERAPY DEVICE - The present disclosure provides a device for transmitting focused acoustic energy from a tissue surface of a face of a user to at least one sinus. The device includes a power supply; a signal source configured to provide a waveform of at least 20 kHz that is configured to increase a flow of fluid from the at least one sinus; and a transducer connected to the power supply and the signal source, the transducer configured to contact a medium applied to the tissue surface of the face and transmit the waveform through the medium and the tissue surface of the face to the at least one sinus. | 02-13-2014 |
| 20140052145 | SHOCK WAVE CATHETER SYSTEM WITH ARC PRECONDITIONING - A shock wave catheter system and method produces a shock wave with reduced energy. The system includes a catheter and a power source. The catheter has an elongated carrier and a balloon about the carrier in sealed relation thereto. The balloon is arranged to receive a fluid therein that inflates the balloon. The catheter further includes an arc generator including at least two electrodes within the balloon. The power source is coupled to the at least two electrodes and is configured to grow a bubble at one of the at least two electrodes and then thereafter to rapidly expand the bubble to form a shock wave within the balloon. | 02-20-2014 |
| 20140052146 | Electrohydraulic Lithotripsy Probe and Electrical Source for an Electrohydraulic Lithotripsy Probe - A lithotripter probe system including an invasive lithotripter tip and an electrical source for the lithotripter tip are disclosed. The lithotripter tip includes a first and second electrode positioned on the lithotripter tip such that an electric arc between the ends of the first and second electrodes causes a shockwave to radiate from the lithotripter tip. The electric source includes a first spark gap, a second park gap electrically connected in series with the first spark gap, and a storage capacitor electrically connected in parallel with the first and second spark gaps. The first electrode is electrically connected to the storage capacitor via the serially connected first and second spark gaps, and when the first and second spark gaps conduct, the storage capacitor is configured to discharge to the first electrode, thereby causing the electric arc between the ends of the first and second electrodes. | 02-20-2014 |
| 20140052147 | LOW PROFILE ELECTRODES FOR AN ANGIOPLASTY SHOCK WAVE CATHETER - Described herein are low-profile electrodes for use with an angioplasty shockwave catheter. A low-profile electrode assembly may have an inner electrode, an insulating layer disposed over the inner electrode such that an opening in the insulating layer is aligned with the inner electrode, and an outer electrode sheath disposed over the insulating layer such that an opening in the outer electrode sheath is coaxially aligned with the opening in the insulating layer. This layered configuration allows for the generation of shockwaves that propagate outward from the side of the catheter. In some variations, the electrode assembly has a second inner electrode, and the insulating layer and outer electrode may each have a second opening that are coaxially aligned with the second inner electrode. An angioplasty shockwave catheter may have a plurality of such low-profile electrode assemblies along its length to break up calcified plaques along a length of a vessel. | 02-20-2014 |
| 20140074113 | SHOCKWAVE CATHETER SYSTEM WITH ENERGY CONTROL - A system that breaks calcium in a liquid includes a catheter including first and second electrodes arranged to receive there-across a high electrical voltage at an initial low current. The high electrical voltage causes an electrical arc to form across the electrodes creating a gas bubble within the liquid, a high current to flow through the electrodes, and a mechanical shock wave. A power source provides the electrodes with the high electrical voltage at the initial current and terminates the high electrical voltage in response to the high current flow through the electrodes. | 03-13-2014 |
| 20140081287 | CLOSED SYSTEM PNEUMATIC IMPACT LITHOTRIPSY - A method for removing uroliths from the urinary bladder of a non-human, non-laboratory animal, comprising: (a) inserting a collapsed retrieval pouch through the urethra and into the bladder; (b) opening the retrieval pouch in the bladder; (c) identifying a urolith transrectally, and placing the urolith into the opened retrieval pouch by transrectal manipulation; (d) fragmenting the urolith while the urolith is in the opened retrieval pouch; (e) flushing the fragments of the urolith out of the pouch; and then (f) removing the retrieval pouch from the bladder. | 03-20-2014 |
| 20140081288 | ULTRASOUND CATHETER DEVICES AND METHODS - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, an ultrasound catheter device includes an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. A proximal housing of the catheter device may include one or more features for dissipating heat from the ultrasound transmission wire, such as a fluid inlet aperture for passage of fluid, use of heat conductive materials in the proximal housing, surface features to increase the housing's surface area, heat conductive members disposed adjacent the transmission member and the like. Various irrigation fluids may be used, such as cooled, oxygen supersaturated or lubricious fluids. | 03-20-2014 |
| 20140088610 | ENHANCED CROSS STREAM MECHANICAL THROMBECTOMY CATHETER - A thrombectomy catheter includes a catheter body having a catheter lumen. An outflow orifice is positioned along a catheter perimeter. A fluid jet emanator communicates with a high pressure tube. The fluid jet emanator includes at least one jet orifice for directing a fluid jet from the fluid jet emanator through the catheter lumen toward the outflow orifice. The fluid jet emanator provides a jet stream from the catheter body through the outflow orifice. The jet stream includes first and second stream portions. An entrainment fluid flow circuit includes at least the first stream portion, and the entrainment fluid flow circuit entrains particulate and macerates the particulate therein. An exhaust fluid flow path includes the second stream portion, and the exhaust fluid flow path draws entrained particulate from the entrainment fluid flow circuit at a location exterior to the catheter body and directs it toward the catheter proximal portion. | 03-27-2014 |
| 20140100585 | MEDICAL DEVICE HAVING AN ELECTRO-MAGNETIC DEVICE TIP AND RELATED METHOD OF USE - A medical device may include an elongate shaft having a longitudinal axis and a distal end. The medical device may include a distal tip having at least one electromagnetic coil disposed adjacent the distal end and a plurality of bulbous elements disposed about the longitudinal axis. The plurality of bulbous elements may be operatively associated with the at least one electromagnetic coil such that the plurality of bulbous elements may translate relative to the longitudinal axis in response to activation of the at least one electromagnetic coil. A method of crossing an obstruction may include approaching the obstruction with a medical device, supplying alternating current to at least one electromagnetic coil, and advancing the medical device into engagement with the obstruction. | 04-10-2014 |
| 20140114326 | Device for Shock Wave Treatment of the Human Brain - A device for treating the human or animal brain with shockwaves has a shockwave transducer coupled to a position sensor for detecting the position of the shockwave transducer. An evaluation means for evaluating the signals of the position sensor is calculating the position of the focus spot of the shockwave transducer. Furthermore, a mapping device is provided for mapping the movement of the focus spot over a plurality of positions together with the applied shockwave dose at each of the positions. The applied shockwave dose may be indicated on a color display. | 04-24-2014 |
| 20140121673 | Impact lithotripsy tip - An apparatus and method are presented comprising a stone retrieval device insertable through a proximal end of a working channel of an endoscope to retrieve a stone at a distal end of an endoscope shaft, and a lithotripsy shaft with a distal tip including one or more guide features to accommodate passage there through of the stone retrieval device and insertable through the proximal end of the working channel of the endoscope, wherein the stone retrieval device extends from the distal end of the endoscope shaft through the lithotripsy shaft. | 05-01-2014 |
| 20140171959 | Wearable User Interface for Use with Ocular Surgical Console - An ocular surgical system includes a surgical console having a fluidics subsystem, an input pedal subsystem, and a phacoemulsification subsystem. It also includes a wearable user interface in communication with the console. The wearable user interface comprising an interface display having a centrally disposed surgical viewing area and having a peripheral data display region configured to display data relating to the surgery or the console. The peripheral data display region may display information received from the surgical console. | 06-19-2014 |
| 20140180304 | STEERABLE ULTRASOUND CATHETER - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Ultrasound catheter devices generally include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. Improved features of ultrasound catheters include catheter bodies and ultrasound transmission members with increasing distal flexibility, guidewire tubes allowing contact between a guidewire and an ultrasound transmission member, distal heads with improved guidewire lumens, and torquable proximal housings for enhancing disruption of blood vessel occlusions. | 06-26-2014 |
| 20140243847 | SHOCKWAVE CATHETER SYSTEM WITH ENERGY CONTROL - A system that breaks calcium in a liquid includes a catheter including first and second electrodes arranged to receive there-across a high electrical voltage at an initial low current. The high electrical voltage causes an electrical arc to form across the electrodes creating a gas bubble within the liquid, a high current to flow through the electrodes, and a mechanical shock wave. A power source provides the electrodes with the high electrical voltage at the initial current and terminates the high electrical voltage in response to the high current flow through the electrodes. | 08-28-2014 |
| 20140257323 | UNFOCUSED ELECTROHYDRAULIC LITHOTRIPTER - Electrohydraulic lithotripters comprising a plurality of electrohydraulic probes are disclosed. Each probe of the plurality of probes comprise a first electrode and a second electrode positioned at a distal end of the probe such that when the probe is discharged, an electric arc between the first electrode and the second electrode produces a shockwave that radiates from the distal end of the probe. A first probe and a second probe of the plurality of probes may be configured to discharge simultaneously or sequentially. | 09-11-2014 |
| 20140276922 | SHAPE MEMORY METAL EMBOLI TRAP - An embolus trap device is provided. The embolus trap device consists of an outer catheter, an inner catheter, a plurality of filter baskets, and a plurality of basket collapse wires. The filter baskets are of different radius and are positioned along the inner catheter in order of increasing radius from the proximal to the distal end. The filter baskets increase in radius so that any embolic fragment that flows past each basket has a chance to be caught and secured by a filter basket distal to it. The filter baskets are separately collapsible by the plurality of collapse wires and are collapsed in proximal-to-distal fashion with the largest basket being closed last in order to capture embolic fragments that may emerge from the smaller baskets because of disruptions as they are closed. | 09-18-2014 |
| 20140276923 | VIBRATING CATHETER AND METHODS OF USE - The invention provides a method of intravascular intervention that includes inserting a catheter comprising an extended body into a lumen within tissue of a patient, advancing the catheter to a treatment site, vibrating a proximal end of the catheter with a mechanical vibrator, and treating the treatment site while a distal end of the catheter is vibrating. | 09-18-2014 |
| 20140276924 | GEL SWEEPER FOR RESIDUAL STONE FRAGMENT REMOVAL - Systems and methods for performing medical procedures in body lumens are described. Embodiments of the methods include forming a plug to partially or fully occlude the lumen and moving the plug through a surgical field. Embodiments of the systems include an elongate body graspable by a surgical instrument or by a surgeon that are adapted to anchor to the plug. | 09-18-2014 |
| 20140288570 | SHOCKWAVE CATHETER SYSTEM WITH ENERGY CONTROL - A system includes a catheter including an elongated carrier, a balloon about the carrier in sealed relation thereto, the balloon being arranged to receive a fluid therein that inflates the balloon, and first and second electrodes within the balloon arranged to carry a voltage there-across including an initial high electrical voltage at an initial low current. The initial high electrical voltage causes an electrical arc to form across the first and second electrodes within the balloon. The electrical arc causes a gas bubble within the liquid, a high current to flow through the first and second electrodes, a decrease in the initial high electrical voltage, and a mechanical shock wave within the balloon. The system further includes a power source that provides the first and second electrodes with a drive voltage that creates the initial high electrical voltage at the initial current and that terminates the drive voltage in response to the decrease in the initial high electrical voltage. | 09-25-2014 |
| 20140288571 | METHOD AND SYSTEM FOR DESTROYING OF UNDESIRABLE FORMATIONS IN MAMMALIAN BODY - A method and a system for destruction of an undesirable formation in a mammalian body are described. The invention is based on inserting a probe into mammalian body; said probe is electrically connectable to a control unit and upon bringing the probe in physical contact with the formation supplying pulses of energy from the control unit to the probe in order to destroy the formation. The invention further comprises counting amount of pulses being supplied to the probe and establishing a remaining service life of the probe by subtracting the amount of pulses being supplied to the probe from an amount of pulses corresponding to initial service life of the probe. The treatment session is automatically terminates as soon as amount of pulses being supplied to the probe approaches at least a fraction of the established remaining service life of the probe. The established remaining service life of the probe is stored for new treatment session. Delivery of pulses automatically terminates when the remaining service life is exhausted and use of such probe becomes impossible. | 09-25-2014 |
| 20140316428 | FRACTURING CALCIFICATIONS IN HEART VALVES - A device for fracturing calcifications in heart valves characterised by a stabilizer assembly and an impactor assembly assembled on and deployed by a delivery system, wherein said delivery system is operable to cause relative motion between said impactor assembly and said stabilizer assembly with sufficient energy so as to fracture a calcification located in tissue which is sandwiched between said stabilizer assembly and said impactor assembly, wherein said impactor assembly and said stabilizer assembly have shaped impact delivery portions of which the footprint on the valve leaflets is shaped in accordance with a shape of desired fracture sites. | 10-23-2014 |
| 20140324066 | MEDICAL SYSTEMS AND RELATED METHODS - A medical system includes a sheath and an acoustic reflective element that is capable of amplifying acoustic energy. Methods of using a medical system are also provided herein. | 10-30-2014 |
| 20140336665 | OSCILLATING LITHOTRIPTER - A lithotripter is provided for fragmenting a stone inside a patient's body. In one form, the lithotripter includes a motor having at least two modes of operation and is configured to produce first and second waveforms. A wave guide shaft is configured to transmit the first and second waveforms to the stone. In one form, at least one of the first and second waveforms is provided to the stone at a frequency that is about equal to a natural frequency of the stone. In a variation, the lithotripter may include an ultrasonic driver configured to produce an ultrasonic frequency waveform and a sonic driver configured to produce a sonic frequency waveform. The sonic driver is mechanically coupled to the ultrasonic driver. The ultrasonic driver and the sonic driver may be disposed within a driver housing. In another variation, the lithotripter may include a brushless DC motor. | 11-13-2014 |
| 20140336666 | OSCILLATING LITHOTRIPTER - A tip element for a lithotripter is provided. The tip element includes a proximal end configured for attachment to a waveguide of the lithotripter and a distal end configured for placement against at least one urinary tract stone. The lithotripter transmits energy from the tip element to the at least one urinary tract stone to break up the at least one urinary tract stone into fragments. The tip element may further include a tip element passage that extends between the proximal end and the distal end. The tip element passage communicates with a lumen of the waveguide for at least one of suctioning and irrigating a urinary tract. The distal end has one or more sharp edges to maintain contact between the at least one urinary tract stone and the distal end during suctioning. The distal end may be configured to limit the size of fragments from the at least one urinary tract stone drawn into the tip element passage during suctioning. | 11-13-2014 |
| 20150025543 | Ultrasound Catheter and Methods for Making and Using Same - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some embodiments, a guidewire tube extending through the lumen. A distal head for disrupting occlusions is coupled with the distal end of the ultrasound transmission member and is positioned adjacent the distal end of the catheter body. Some embodiments include improved features such as a bend in the catheter body for enhancing positioning and/or advancement of the catheter. | 01-22-2015 |
| 20150025544 | Ultrasound Catheter and Methods for Making and Using Same - Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some embodiments, a guidewire tube extending through the lumen. A distal head for disrupting occlusions is coupled with the distal end of the ultrasound transmission member and is positioned adjacent the distal end of the catheter body. Some embodiments include improved features such as a bend in the catheter body for enhancing positioning and/or advancement of the catheter. | 01-22-2015 |
| 20150025545 | METHODS AND APPARATUSES FOR TREATMENT OF MEIBOMIAN GLAND DYSFUNCTION - A method of treating meibomian gland dysfunction is disclosed that comprises applying heat to an outer surface of a patient's eyelid to a temperature level to melt, loosen, or soften an obstruction located within a meibomian gland. The method also comprises maintaining the heat to the outer surface of the patient's eyelid for a period of time. The method further comprises applying a pressure to the outer surface of the patient's eyelid to express the obstruction from the meibomian gland. The obstruction may be located within a meibomian gland channel of the meibomian gland and the method may comprise expressing the obstruction located within a meibomian gland channel through a meibomian gland orifice. Applying the pressure may be done by positioning a pressure applicator into contact with the outer surface of the patient's eyelid and applying a pressure with the pressure applicator over a substantial portion of the patient's eyelid. | 01-22-2015 |
| 20150032122 | METHODS OF ASPIRATING THROMBI - Methods of providing suction may include providing suction patterns having varying intensity levels, such as a “crescendo suction” pattern. Cycles of crescendo suction patterns may comprise variable intensities of negative suction in a crescendo pattern (such as a small intensity negative suction pressure, a medium intensity negative suction pressure, and a large intensity negative suction pressure). The suction patterns may include pauses or temporary stops to the negative suction pressure. | 01-29-2015 |
| 20150073430 | LOW PROFILE ELECTRODES FOR AN ANGIOPLASTY SHOCK WAVE CATHETER - Described herein are low-profile electrodes for use with an angioplasty shockwave catheter. A low-profile electrode assembly may have an inner electrode, an insulating layer disposed over the inner electrode such that an opening in the insulating layer is aligned with the inner electrode, and an outer electrode sheath disposed over the insulating layer such that an opening in the outer electrode sheath is coaxially aligned with the opening in the insulating layer. This layered configuration allows for the generation of shockwaves that propagate outward from the side of the catheter. In some variations, the electrode assembly has a second inner electrode, and the insulating layer and outer electrode may each have a second opening that are coaxially aligned with the second inner electrode. An angioplasty shockwave catheter may have a plurality of such low-profile electrode assemblies along its length to break up calcified plaques along a length of a vessel. | 03-12-2015 |
| 20150088154 | ULTRASONIC GENERATOR SYSTEMS AND METHODS - Embodiments shown and described herein relate, in general, to systems and methods for driving ultrasonic transducers and, more particularly, to systems and methods for controlling the output of high power ultrasonic transducers and improving performance of ultrasonic systems. | 03-26-2015 |
| 20150133949 | DEVICES AND METHODS FOR REMOVAL OF CALCULUS - Devices and methods for removal of calculus (including for example, kidney stones) are disclosed. In an embodiment, a device for removal of kidney stones includes a substantially sealable pouch that can be inserted into the kidney for capturing a kidney stone. The pouch is also designed to permit fragmentation of the kidney stone inside the pouch, while preventing kidney stone fragments from escaping from the pouch. As a result, the likelihood of dispersing stone fragments during fragmentation of a large stone is greatly lessened. | 05-14-2015 |
| 20150133950 | FEEDBACK DEPENDENT LITHOTRIPSY ENERGY DELIVERY - A lithotripter is provided that includes a lithotripsy apparatus for treatment of a urinary tract stone by fragmentation. The lithotripsy apparatus includes a lithotripsy wave guide shaft configured to transmit an energy form to at least one urinary tract stone. The lithotripter includes a sensing device configured to provide signal data for determining optimal application of energy during treatment with the lithotripsy apparatus. The lithotripter includes a processor configured to collect the signal data and provide feedback to a user. The processor has a control logic configured to determine at least one of: a) if the lithotripsy wave guide shaft is in contact with a tissue; b) if the lithotripsy wave guide shaft is in contact with a stone; c) type of stone; d) if a user is applying force in excess of a predetermined threshold; and e) physical characteristics of a stone. A method is also provided. | 05-14-2015 |
| 20150305757 | METHOD AND APPARATUS FOR ENCLOSURE AND REMOVAL OF CALCULI AND FOREIGN BODIES - The embodiments of the present disclosure may provide an apparatus used in ureteroscopy, a widespread method of treating kidney stones by enclosing the stone in a sheath before breaking it into a plurality of fragments with a fragmenting device. The configuration of the disclosed mesh top to a sheath may improve the practice of ureteroscopy by facilitating the removal of kidney stone fragments. The apparatus may comprise a sheath; a mesh top comprising: a first end having an opening into the interior of the mesh top, and a second end being attached to the sheath; and an enclosing means, wherein the mesh top is configured to: receive an object within an interior of the mesh top, enclose, via the enclosing means, the object within the mesh top, receive a fragmenting device through a second end, and retain fragments of the object caused by an operation of the fragmenting device. | 10-29-2015 |
| 20150320432 | SHOCK WAVE GUIDE WIRE - A guide wire, for use, for example, in guiding an elongated catheter through an artery or vein of a mammalian body having a stenosis and/or an occlusion therein, includes an elongated conductor having a longitudinal dimension, a proximal end and a distal end. The guide wire further includes an insulator overlying the elongated conductor. The insulator exposes a portion of the longitudinal dimension of the elongated conductor to form an electrode. The elongated conductor is arranged to be connected to a source of high voltage pulses to cause electrical arcs at the electrode that in turn form steam bubbles and shock waves to break the stenosis and/or open the occlusion and permit the guide wire to pass there through. Other embodiments are directed to a system including the guide wire and a method of using the guide wire. | 11-12-2015 |
| 20150335340 | STABILIZER ASSEMBLY FOR FRACTURING CALCIFICATIONS IN HEART VALVES - A device for fracturing calcifications in heart valves includes a stabilizer assembly ( | 11-26-2015 |
| 20150342625 | MEDICAL INSTRUMENT - A medical instrument is disclosed for crushing a thrombus present in a pulmonary artery of a living body by an ultrasonic vibration. The medical instrument includes an elongated main body section capable of being inserted into an airway of the living body, and an ultrasonic oscillation section which can be inserted into the living body by the main body section and which oscillates the ultrasonic vibration inside the living body. By the medical instrument, a thrombus present in a pulmonary artery can be rapidly crushed, whereby a therapeutic effect on pulmonary embolism can be obtained. | 12-03-2015 |
| 20150351783 | OSCILLATING LITHOTRIPTER - A tip element for a lithotripter is provided. The tip element includes a proximal end configured for attachment to a waveguide of the lithotripter and a distal end configured for placement against at least one urinary tract stone. The lithotripter transmits energy from the tip element to the at least one urinary tract stone to break up the at least one urinary tract stone into fragments. The tip element may further include a tip element passage that extends between the proximal end and the distal end. The tip element passage communicates with a lumen of the waveguide for at least one of suctioning and irrigating a urinary tract. The distal end has one or more sharp edges to maintain contact between the at least one urinary tract stone and the distal end during suctioning. The distal end may be configured to limit the size of fragments from the at least one urinary tract stone drawn into the tip element passage during suctioning. | 12-10-2015 |
| 20150351784 | DECOMPRESSION INSTRUMENTS AND RELATED METHODS - A decompression instrument is disclosed for removing impacted stool from a patient with long standing chronic constipation. The instrument is configured to enter the gastrointestinal tract through the anus to remove the impacted stool. The removed waste may be temporarily collected in a collection bag having a rim with adhesive for attaching to the patient during a decompression procedure. | 12-10-2015 |
| 20150366571 | IMAGE-BASED COMPUTER-AIDED SAFE STONE EXTRACTION ADVISOR - An endoscopist is informed whether a stone or fragment can be extracted through a lumen without injury by detecting a minimum lumen size, detecting a maximum stone size, comparing the minimum lumen size with the maximum stone size, determining that the maximum target stone size is less than the minimum lumen size, and removing the target stone through the lumen. | 12-24-2015 |
| 20160022289 | SUCTION EVACUATION DEVICE - A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle. | 01-28-2016 |
| 20160022295 | UNFOCUSED ELECTROHYDRAULIC LITHOTRIPTER - Electrohydraulic lithotripters comprising a plurality of electrohydraulic probes are disclosed. Each probe of the plurality of probes comprise a first electrode and a second electrode positioned at a distal end of the probe such that when the probe is discharged, an electric arc between the first electrode and the second electrode produces a shockwave that radiates from the distal end of the probe. A first probe and a second probe of the plurality of probes may be configured to discharge simultaneously or sequentially. | 01-28-2016 |
| 20160030069 | Lithotripter with Improved Sterilization Time - An apparatus and method are presented for a lithotripter comprising a handle, a driver resource contained within the handle, a probe housed within the handle, an extension which may be the probe, a shielding insert, or a removable passageway which extends through a central lumen of the driver resource and protects the central lumen from surgical debris when in use and as a result reduces time required to perform sterilization. Sealing means may be provided to connect the probe into the handle, including a ferrule, collet, split collet, screw connection, O-rings, or a combination thereof to further limit debris entering the central lumen of the handle. It is contemplated that the device of the present invention is capable of achieving a four minute flash cycle validation. | 02-04-2016 |
| 20160038165 | IMPACT DRILL LITHOTRIPTER - A lithotripter includes a motor operable to produce a rotational motion, a first cam with a first set of teeth, and a second cam with a second set of teeth configured to selectively engage with the first set of teeth. The first cam is coupled to the motor so that the rotational motion produced by the motor produces rotational motion of the first cam, and the selective engagement between the first set of teeth and the second set of teeth converts the rotational motion of the first cam to a linear waveform that is transmitted through the second cam. The motor, the first cam, and the second cam are disposed in a driver housing, and a wave guide shaft is coupled to the second cam. The wave guide shaft transmits the linear waveform to at least one urinary tract stone to break up the at least one urinary tract stone into fragments. | 02-11-2016 |
| 20160045209 | Lithotripsy Apparatus Using a Flexible Endoscope - An apparatus and method are presented comprising an endoscope including a flexible shaft which has an active deflection section at a distal tip, a handle connected to a proximal end of the flexible shaft, a platform mounted to a top portion of the handle and oriented substantially in line with the longitudinal axis of the proximal end of a straight portion of the flexible shaft to provide a substantially straight entry into a working channel of the flexible shaft for an output accessory, a stone retrieval device insertable into the proximal end of the working channel of the endoscope, a lithotripsy shaft including one or more guide features at a distal end of the lithotripsy shaft to facilitate passage of wires or filaments of the stone retrieval device there through, and a lithotripsy shaft driver attached to the platform for driving the lithotripsy shaft under power. | 02-18-2016 |
| 20160051269 | Single Probe With Disturber - A single probe percutaneous surgical instrument for de-bulking/removing thrombus/clog/calculi has an actuator assembly ( | 02-25-2016 |
| 20160066934 | DEVICES AND METHODS FOR REMOVAL OF CALCULUS - Devices and methods for removal of calculus (including for example, kidney stones) are disclosed. In an embodiment, a device for removal of kidney stones includes a substantially sealable pouch that can be inserted into the kidney for capturing a kidney stone. The pouch is also designed to permit fragmentation of the kidney stone inside the pouch, while preventing kidney stone fragments from escaping from the pouch. As a result, the likelihood of dispersing stone fragments during fragmentation of a large stone is greatly lessened. | 03-10-2016 |
| 20160081704 | CATHETER FOR EXTRACTION OF FOREIGN SUBSTANCE FROM BLOOD VESSEL - Disclosed is a catheter for the extraction of foreign substances from blood vessels including an insertion tube configured to be inserted into a blood vessel and provided at one side thereof with a branched suction tube, a moving crusher configured to be inserted into the blood vessel while being received inside the insertion tube, the moving crusher serving to crush foreign substances inside the blood vessel after being discharged out of the insertion tube, and a foreign substance moving net coupled to a front end of the moving crusher so as to guide the crushed foreign substances into the insertion tube, the foreign substance moving net having a mesh shape. The foreign substance moving net includes an introduction net having an open front end to allow the foreign substances to be introduced thereinto, a flow net connected to the introduction net and configured to provide a passage for movement of the foreign substances, and a discharge net configured to couple the flow net and the moving crusher to each other and to discharge the foreign substances into the insertion tube, and the flow net is provided at a surface thereof with a coating layer to prevent the foreign substances from being discharged out of the flow net. | 03-24-2016 |
| 20160089171 | MEDICAL DEVICE AND MEDICAL DEVICE ASSEMBLY - A medical device for collecting a solid object together with a fluid in a living body, including: a cylindrical member having an inner cavity, a suction port provided on the distal end of the inner cavity, and a discharge port on a side wall and communicating with the inner cavity; an impeller in the inner cavity configured to carry the fluid from the suction port to the discharge port; and a filter in the inner cavity configured to collect the solid object. At least part of the wall surface of the cylindrical member, which defines a flow channel allowing movement of the fluid from the impeller to the discharge port, is inclined from a center axis of the cylindrical member toward a distal end with respect to a transverse direction of the cylindrical member. | 03-31-2016 |
| 20160095610 | Radially-Firing Electrohydraulic Lithotripsy Probe - An invasive electrohydraulic lithotripter probe may comprise a lithotripter tip that comprises a first electrode and a second electrode. The lithotripter tip has a length in excess of 250 cm and is dimensioned to be inserted into a long channel having a length in excess of 250 cm. The lithotripter probe may include a material that reinforces a linear strength of at least a portion of the lithotripter probe. | 04-07-2016 |
| 20160135828 | SHOCK WAVE VALVULOPLASTY DEVICE AND METHODS - Described here are devices and methods that may facilitate treatment of a calcified heart valve with shock waves. A shock wave valvuloplasty device may be advanced through a patient's vasculature and self-align with cusps of a calcified aortic valve. Alignment may be facilitated by a central anchor and/or U-shaped distal bends of positioning wires. An elongated carrier may be slidably disposed over a portion of the positioning wire and carry one or more electrode assemblies that may generate shock waves. An inflatable balloon may sealably enclose the electrode assembles, and shock waves may propagate through the liquid-filled balloon and transfer energy to adjacent calcified valve cusps. The shock wave valvuloplasty device may comprise one or more features to direct shock waves to specific areas of calcified tissue. Some variations also comprise a central anchor configured to be positioned below the valve leaflets. | 05-19-2016 |
| 20160151081 | SHOCK WAVE VALVULOPLASTY DEVICE WITH MOVEABLE SHOCK WAVE GENERATOR | 06-02-2016 |
| 20160183957 | SHOCKWAVE CATHETER SYSTEM WITH ENERGY CONTROL - A system that breaks calcium in a liquid includes a catheter including first and second electrodes arranged to receive there-across a high electrical voltage at an initial low current. The high electrical voltage causes an electrical arc to form across the electrodes creating a gas bubble within the liquid, a high current to flow through the electrodes, and a mechanical shock wave. A power source provides the electrodes with the high electrical voltage at the initial current and terminates the high electrical voltage in response to the high current flow through the electrodes. | 06-30-2016 |
| 20160374703 | THROMBOLYSIS DEVICE AND METHOD OF OPERATING A THROMBOLYSIS DEVICE - According to various embodiments, there is provided a thrombolysis device including a catheter configured to be inserted into a blood clot; a treatment transducer coupled to the catheter, the treatment transducer configured to transmit acoustic waves; a measurement transducer coupled to the catheter, the measurement transducer configured to transmit further acoustic waves and further configured to receive acoustic echoes, the acoustic echoes being reflections of the further acoustic waves from a boundary of the blood clot, wherein the measurement transducer is further configured to provide a measurement output; a determination circuit configured to determine at least one of a viscosity of blood in a vicinity of the measurement transducer or a volume of the blood clot, based on the measurement output; and a control circuit configured to generate control signals for controlling the treatment transducer, based on at least one from the group consisting of the viscosity of blood in the vicinity of the measurement transducer, the volume of the blood clot and a temperature measurement of the blood clot. | 12-29-2016 |
| 20170231649 | MEDICAL SYSTEMS AND RELATED METHODS | 08-17-2017 |
