| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606128000 | With fragmenting means | 32 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20110251623 | METHOD AND APPARATUS FOR BREAKING UP CALCULI IN URINARY INTRACAVITY BY MILLING - The present invention discloses calculi breakup method and apparatus. The method comprises: inserting a combination of an endoscope with a driving assembly and a milling assembly, or a combination of an endoscope and a sleeve with a driving assembly and a milling assembly into the urinary intracavity; starting up a driving unit to drive the milling assembly so as to mill the calculi in the intracavity into powder; and, discharging the milled calculi powder out of the body. Compared to the other calculi breakup method, the calculi breakup apparatus according to the present invention has the advantages of high calculi breakup speed, high efficiency, no heat during the calculi breakup, no hurt to the urinary mucous membrane, painless, short time for the treatment, low calculi residual rate, simple operation, and easy maintenance. | 10-13-2011 |
| 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 |
| 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 |
| 20090118741 | SINGLE-BLOW SHOCKWAVE GENERATION DEVICE - A single-blow mechanical shockwave generation device used in urological surgery for disintegration of urinary duct stones comprises a striking device which strikes a shock wave generation device at high speed. The shock waves are transmitted by a shock wave transfer device to an object for destruction with which the shock wave transfer device is in direct or indirect contact. The striking device is displaced by way of the expansion of a high-pressure gas introduced prior to each shock wave generation into an accumulation device. The accumulation device is supplied with high pressure gas from independent gas stores and with supply and sealing devices. The stored gas is released by the manual manipulation of a control device which connects the accumulation device to the striking device. | 05-07-2009 |
| 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 |
| 20110118746 | DEVICE FOR MECHANICAL LITHOTRIPSY AND REMOVAL OF CALCULI THAT FORM IN THE BILE DUCT OR IN THE URINARY SYSTEM - The device for mechanical lithotripsy and removal of stones that form in the bile duct or urinary system has a stone collection basket at a distal end of a tube and two actuators at the proximal end of the tube. A cable runs through the tube and connects each actuator to the basket. The actuators are screw drives and form a common structural unit that is concentric to the tube and the cable. One actuator controls the opening and closing of the basket while the other actuator controls the force transmitted through the cable to the basket to allow for crushing of the stone in the basket. | 05-19-2011 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
