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6352544 |
Apparatus and methods for removing veins
The present invention relates to devices and methods for removing veins in a venous system of a patient. One device for removing undesired veins includes an elongated member having first and second...
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6346116 |
Distal protection device
The present invention is a distal protection device for use with a delivery member. A filter assembly is located on the distal end of the delivery member. The filter is deployed distally of the...
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6344049 |
Filter for embolic material mounted on expandable frame and associated deployment system
The filter device captures embolic material in a blood vessel and is placed in the blood vessel via a guide wire. The guide wire has a proximal end, a distal end and a stop near its distal end. The...
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6338735 |
Methods for removing embolic material in blood flowing through a patient's ascending aorta
The subject invention relates to a valve replacement system together with methods of preparation and use, are provided for endovascular replacement of a heart valve in a host. The valve replacement...
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6328749 |
Remote endarterectomy ring stripper
A remote endarterectomy ring stripper (1) includes an elongate shaft (8), having distal (36) and proximal (32) ends, an intima stripping ring (4, 34) mounted to the distal end of the elongate shaft...
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6322572 |
Thrombus macerator catheter
The present invention includes a thrombus disrupting device. The device comprises a main body that defines a lumen comprising a distal end portion. A wire is positioned within the lumen and extends...
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6319265 |
Dissecting retractor for harvesting vessels
A surgical dissecting retractor for harvesting vascular conduits or vessels such as saphenous veins and the like is disclosed which dissects tissue and top and/or side branches from the vessel as...
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6312438 |
Rotary bur instruments having bur tips with aspiration passages
A rotary bur instrument includes an outer tube having an open distal end, and an inner member rotatably disposed in the outer tube. The inner member includes an inner tube having a distal end, a...
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6312444 |
Medical device for removing thromboembolic material from cerebral arteries and methods of use
The invention provides a medical device having an elongate catheter, a balloon occluder mounted on a distal end of the catheter, and optionally a chopping mechanism associated with an aspiration...
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6309399 |
Atherectomy device having trapping and excising means for removal of plaque from the aorta and other arteries
An arterial catheter system for removing plaque from the aorta and other arteries is disclosed. The system typically includes an elongate catheter member, a filtration apparatus disposed within the...
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6306151 |
Balloon with reciprocating stent incisor
A medical instrument which is insertable into a vascular system to incise a stent embedded within a stenosis is provided herein and includes a multi-luminal catheter with a distal expandable...
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6299623 |
Atherectomy burr including a bias wire
An ablation device (10) includes a drive shaft (12) and an ablation burr (14) secured to the distal end of the drive shaft thereto. A guide wire (18) extends through the drive shaft and the...
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6290710 |
Embolic protection device
A self-expanding filtration element is fitted to the distal end of a catheter while a sheath for constraining such element to a reduced diameter is mechanically manipulatable from the proximal end...
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6287320 |
Method and apparatus for treatment of focal disease in hollow tubular organs and other tissue lumens
The present invention provides a technique for treating diseased portions of tissue lumens by the focal introduction of at least one therapeutic agent at the diseased region. A catheter is...
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6280455 |
Surgical instrument for facilitating the detachment of an artery and the like
A surgical instrument is configured to aid in performing a procedure of detaching an internal mammary artery (IMA) and the like, from the connecting tissues and side branch vessels which surround...
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6277139 |
Vascular protection and embolic material retriever
The vascular protection and embolic material retrieval device is used in connection with a guidewire and a catheter sheath during catheter based procedures. The device includes a discontinuous loop...
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6273900 |
Blood clot filtering
A blood clot filter comprising: an anchoring portion comprising a generally cylindrical self-expanding body formed from resilient material, the generally cylindrical body having proximal and distal...
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6270509 |
Cancave atherectomy burr with smooth rims
An ablation burr has a body provided with an inner circumferential rim and an outer circumferential rim that are concentric and spaced longitudinally by a selected distance along the length of the...
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6264667 |
Bladder dialysis urinary catheter
An irrigating bladder dethrombulator for removing blood clots in the urine. The device includes a housing having an outflow conduit insertable into the bladder through the urethra for transporting...
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6261297 |
Thermal mode phaco apparatus and method
Control apparatus for an ultrasonic phacoemulsification handpiece utilizes flow rates and temperature measurements as well as power provided to a handpiece for calculating an energy balance over a...
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6258109 |
Guidewire bearing to prevent darting
A guide wire for use in atherectomy procedures has a bearing with a static member fixedly secured to the guide wire and a dynamic member rotatably engaged to the static member. The dynamic member...
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6258108 |
Incisor-dilator with tapered balloon
The present invention is a device for incision and dilation of stenotic segments within the vascular system of a patient. Structurally, the present invention includes a rigid ellipsoidal dilation...
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6241744 |
Apparatus for deploying a guidewire across a complex lesion
An apparatus for deploying a guidewire across a complex lesion in a vessel formed by a wall and normally having a lumen extending therethrough including an elongate flexible catheter having...
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6241745 |
Apparatus and method for performing an endarterectomy
A surgical apparatus and a method to restore blood flow capacity to occluded and partially occluded arterial vessels is disclosed. More particularly, the invention is an endarterectomy instrument...
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6238405 |
Percutaneous material removal device and method
A catheter-based material removal device includes an elongated tube having a distal material removal tip thereon. The material removal tip includes a one- or two-piece housing affixed to the tube,...
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6235042 |
Atherectomy device
An atherectomy device is provided wherein a catheter has a cutting region including plurality of slotted tubular members interconnected by flexible segments. Each slotted tubular member includes...
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6231588 |
Low profile catheter for angioplasty and occlusion
A low profile device for simultaneous angioplasty and occlusion includes an angioplasty balloon and an occlusion element which adjoin a common catheter. The occlusion element may be either...
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6231572 |
Electrosurgical catheter apparatus and method
A catheter adapted to increase the patency of a body conduit includes an elongate tube having an axis extending between a proximal end and a distal end, and a balloon disposed at the distal end of...
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6221087 |
Ablation assembly with safety stop
An ablation assembly has an advancer mechanism coupled to a proximal end of a driveshaft, and an ablation device, such as a rotatable burr, coupled to a distal end of the driveshaft. The advancer...
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6193653 |
Methods and devices for visualizing, dissecting and harvesting vessels and the like
A device useful in minimally-invasive procedures involving the visualization, dissection and/or harvesting of vessels in the body includes a shaft having a handle mounted on one end and a...
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6193735 |
Combined rotary and axial reciprocating guide wire
Apparatus for opening an obstructed region of a patient blood vessel comprising a catheter and guidewire. The guidewire is of sufficient length to extend from a region outside the patient to the...
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6183450 |
Catheter de-clogging device
A catheter cleaning device for clearing a catheter of obstructions. The catheter cleaning device includes an elongate hollow housing including first and second slots extending along opposing sides...
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6183487 |
Ablation device for reducing damage to vessels and/or in-vivo stents
An ablation burr has a body provided with an inner circumferential rim and an outer circumferential rim that are concentric and spaced longitudinally by a selected distance along the length of the...
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6179851 |
Guiding catheter for positioning a medical device within an artery
An arterial catheter system for removing plaque from the aorta and other arteries is disclosed. The system typically includes an elongate catheter member, a filtration apparatus disposed within the...
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6179858 |
Stent expansion and apposition sensing
An apposition sensing system including a stent; a catheter assembly to which the stent is coupled for deployment into a lumen; and a sensor positioned on the catheter assembly adjacent to an end of...
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6165187 |
Method of enlarging a lumen of an artery
A catheter atherotome and method for its use for performing partial atherectomy in an artery and thereby enlarging the lumen effectively available for blood flow through the artery. Several blades...
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6165209 |
Vascular stent for reduction of restenosis
Apparatus and methods are provided for restoring and maintaining an open passage or lumen in a body conduit, such as a blood vessel, which has become stenosed or occluded. The apparatus includes a...
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6165188 |
Apparatus for percutaneously performing myocardial revascularization having controlled cutting depth and methods of use
Apparatus and methods for percutaneously performing myocardial revascularization are provided using a catheter having an end region that is directable to contact a patient's endocardium at a...
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6165176 |
Apparatus for dissecting and mobilizing arterial segments for establishing vascular anastomoses
A segment of an artery to be used, for example, in aorto-coronary bypass surgery, is dissected and isolated by making an incision to sever the artery at one of the ends of the segment to be...
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6156047 |
Catheter device having a selectively flexible housing
Disclosed herein is a catheter device which is operably positionable for use in a biological conduit. The catheter device includes a catheter body having a proximal end and a distal end; a flexible...
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6156046 |
Methods and systems for treating obstructions in a body lumen
A system is provided having a catheter, a torque member extending longitudinally through a lumen of the catheter, a removal mechanism secured to a distal end of the torque member, and a guidewire...
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6156048 |
Atherectomy device for reducing damage to vessels and/or in-vivo stents
An atherectomy device that may reduce the risk of damage to a vessel wall. One rotatable atherectomy burr has a recessed material removal portion lying between less abrasive proximal and distal...
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6152938 |
Device for opening blocked tubes
A drill member comprising a drill head located at the distal end of a catheter. The drill further includes a divice for anchoring the tip of the drill head against at least a portion of a face of...
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6149663 |
Guide wire brake for ablation assembly
A guide wire brake for use in an ablation assembly includes a clamp positioned in and between recesses provided in an air-actuated piston and a retainer. The clamp is provided with a first member...
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6146397 |
Endarterectomy loop
An endarterectomy instrument and method for the treatment of alterosclerosis including a loop and a handle formed from a single strand of wire, the wire of the handle being twisted together to...
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6146395 |
Ablation burr
A catheter including an elongate drive shaft having a proximal end and a distal end, an ablation burr disposed at the distal end which can be drawn proximally to engage with a burr deflector...
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6146396 |
Declotting method and apparatus
A declotting method and apparatus. A declotting apparatus includes a catheter, a member positioned within the catheter, and a plurality of deformable members. The plurality of members bow and...
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6143008 |
Apparatus for endoscopic harvesting of elongate tissue structures
Apparatus and method for endoscopically harvesting an elongate structure such as a blood vessel or nerve from a patient's body. A harvesting head defines a channel for receiving a blood vessel or...
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6143009 |
Flexible-agitator system and method
A rotary flexible-agitator system for removing an obstruction from within a patient's vessel that is comprised of a tubular-housing with suction connected to its proximal end, and a motor-driven,...
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6139557 |
Apparatus for making wire with radial expansible guide section and methods of manufacturing the same
An apparatus and method of making a guidewire with a preformed three dimensional profile is described. The Apparatus comprises a mandrel having a screw thread for receiving a core wire and at least...
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