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6585650 |
Method and system for bypassing an artery block
A catheter system for use in bypassing a block in an artery comprises four components. These components are an arterial catheter, an intravenous ultrasound catheter, a guide wire system, and...
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6579298 |
Method and apparatus for treating vein graft lesions
A system for ablating material in vein grafts includes an ablation burr that is rotated by a driveshaft. The ablation burr preferably includes one or more channels, blades or other mechanisms that...
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6579299 |
Atherectomy device
A surgical apparatus for removing deposits from an interior of a vessel comprising a rotatable shaft and a rotatable tip mounted to the rotatable shaft which is rotatable about its longitudinal...
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6572578 |
Fluid-jet catheter and its application to flexible endoscopy
Fluid jet tubes having operative openings and cell traps for cell cluster, tissue and debris harvesting and collecting are used with an endoscope such that the fluid jets draw-in, stabilize and...
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6565583 |
Endarterectomy apparatus and method
Improved apparatus and methods are described for performing endarterectomy remotely via intraluminal techniques. A flexible blade dissector has a curved, diamond-shaped flexible dissecting blade...
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6565588 |
Intralumenal material removal using an expandable cutting device
Intralumenal material removal systems are provided using an advanceable, rotatable and expandable cutter assembly. The intralumenal material removal system includes a cutter assembly positionable...
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6558366 |
Thrombectomy method
A method of and apparatus for removing a thrombus deposit from the cardiovascular system of a patient without the need to surgically access the location of the thrombus deposit via a cut-down or...
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6558401 |
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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6554846 |
Sonic burr
An ablative burr ( 100 ) that may be used for a medical procedure, such as an atherectomy, that does not require the user of an elongate flexible drive shaft. The burr comprises a main body ( 110 )...
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6551335 |
Methods and devices for stripping blood vessels
A blood vessel such as a varicose vein is removed using a semi-rigid rod attached to a flexible thread. The thread is passed through the vein using the rod, which can then be removed. An end of the...
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6544253 |
Surgical support device and method of using the same
The surgical support device is disclosed for use during a surgical procedure. The surgical support device includes a support assembly for supporting a surgical component during the surgical...
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6544209 |
Thrombectomy and tissue removal method and device
A device for removing a thrombus or other tissue deposit from the cardiovascular system, natural or synthetic tubule or cavity found in the human body of a patient without the need to surgically...
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6543452 |
Nasal intubation device and system for intubation
A nasal intubation device is used to penetrate a nasal region and provide irrigation and/or medication to the nasal region. This intubation device can also be used in other applications. The...
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6544276 |
Exchange method for emboli containment
The present invention provides a method for exchanging catheters while containing emboli within a blood vessel such as a saphenous vein graft, coronary artery, carotid artery, or other similar...
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6530935 |
Clot capture coil and method of using the same
A clot and foreign body removal device is described which comprises a catheter with at least one lumen. Located within the catheter is a clot capture coil that is connected to an insertion mandrel....
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6520975 |
Kit for endovascular venous surgery
The instant invention provides endoluminal methods and devices for the removal of anatomical structures such as vascular structures under endoscopic visualization of the process from within the...
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6517528 |
Magnetic catheter drive shaft clutch
Rotating element catheters and catheter assemblies employ clutch assemblies for preventing rotational energy from being transmitted from a motor drive unit to the catheter element under defined...
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6508825 |
Apparatus for treating vascular occlusions
An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An...
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6506178 |
Apparatus and method for crossing a position along a tubular body structure
A vascular occlusion-crossing assembly ( 2 ) includes an elongate delivery system ( 4 ) and a flexible elongate member ( 6 ) which passes along the body ( 34 ) of the delivery assembly. A...
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6503261 |
Bi-directional atherectomy burr
An atherectomy burr includes a number of cutting blades having a less aggressive cutting action when rotated in a first direction and a more aggressive cutting action when rotated in a second...
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6503227 |
Guide wire brake
An improved guide wire brake that is particularly suited to ablative rotational atherectomy devices is disclosed. The guide wire brake ensures that a guide wire is prevented from rotating or moving...
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6500185 |
Snare device
An instrument for removal of an object, e.g., a blood clot lodged in a blood vessel, has a longitudinally extending support that defines an axis. The support has a flexible distal section and a...
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6497711 |
Therectomy device having a light weight drive shaft and an imaging device
An atherectomy device having the ability to create variably sized lumens in a vessel. An ablation burr rotated by a drive shaft is routed through a control shaft having a bend in its distal end....
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6494895 |
Variable expansion frame system for deploying medical devices and methods of use
An expansion frame system for deploying medical devices in a patient's body cavity. The system typically includes an inner wire disposed within a lumen of an outer wire. Distal ends of the inner...
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6494890 |
Eccentric rotational atherectomy device
A rotational atherectomy device having a flexible, elongated, rotatable drive shaft with an eccentric enlarged diameter section. At least part of the eccentric enlarged diameter section has a...
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6491660 |
Frontal infusion system for intravenous burrs
Infusion liquid is expelled distally of an ablation burr for washing a blood vessel lesion being treated by the burr. The infusion liquid can be aspirated in a proximate direction to carry the...
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6485502 |
Vascular embolism prevention device employing filters
A method and system for preventing embolism and optimizing flow to downstream organs in a blood flow circuit incident to performance of a treatment at a location in a blood vessel, by: introducing...
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6485482 |
Rotational and translational drive coupling for catheter assembly
A driven catheter system ( 2 ) includes broadly a driven catheter assembly ( 6 ) coupled to a control unit ( 4 ). The driven catheter assembly includes a motor drive unit ( 8 ) and a catheter...
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6482215 |
Adjustable vessel cleaner and method
A rotary flexible agitator system for removing an obstruction from within a patient's vessel comprising a tubular-housing having a flexible-tube with an open distal end, a motor-driven flexible...
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6482216 |
Ablation device including guidewire with abrasive tip
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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6478777 |
Introducer system for medical electrical lead
An introducer that includes a tubular outer sheath having proximal and distal ends, a tubular inner sheath having proximal and distal ends, rotatably mounted within the outer sheath, and a knob,...
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6475224 |
Catheter drive shaft spring clutch
Rotating element catheters and catheter assemblies employ clutch assemblies for preventing rotational energy from being transmitted from a motor drive unit to the catheter element under defined...
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6475225 |
Ablation assembly with elastomeric driveshaft connection
An ablation assembly ( 10 ) is disclosed having a drive assembly ( 16 ) positioned in a housing ( 29 ) and movable along a longitudinal path of motion within the housing. A tubular shaft ( 30 )...
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6468291 |
Emboli filtration system having integral strut arrangement and methods of use
An emboli filtration apparatus is provided comprising a guide wire having a filter element captured thereon, so that the guide wire is free to rotate or translate while the filter element remains...
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6468227 |
Device for performing a medical procedure
An apparatus and method for performing a medical procedure comprising an elongated shaft having an aperture extending longitudinally therethrough. An actuator tube is positioned within the shaft...
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6464665 |
Catheter apparatus and method for arterializing a vein
A catheter apparatus is provided including an arterial catheter and a venous catheter wherein the distal ends of the catheter are insertable in an artery and a adjacent vein, respectively to a...
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6453906 |
Method 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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6454717 |
Concentric catheter drive shaft clutch
Rotating element catheters and catheter assemblies employ clutch assemblies for preventing rotational energy from being transmitted from a motor drive unit to the catheter element under defined...
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6451037 |
Expandable atherectomy burr with metal reinforcement
An atherectomy burr having an operating diameter that is larger than the diameter of a catheter in which the burr is routed. The burr may include a flexible polymeric tube that is plated with an...
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6447525 |
Apparatus and methods for removing material from a body lumen
Devices, methods, and kits for removing material from a body lumen. The devices and methods may be used in a variety of body lumens, including but not limited to coronary arteries and other blood...
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6443967 |
Injection moldable feedstock including diamond particles for abrasive applications
A feedstock for creating cutting tools comprises a mixture of diamond particles, a binding material and a homogenizing agent that maintains the mixture of the diamond particles and binding...
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6443966 |
Surgical instrument
A medical device is described for use in removing material from a body. The removal of material is accomplished by slidably contacting a cutting edge of a cutter member with the inner wall of a...
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6440148 |
Stent unclogging system with stepped spiral
An atherectomy system for removing obstructive material from within a patient's vessel comprising a flexible spiral wire having a distal stepped-down section that is connected through a short...
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6436111 |
Expandable atherectomy burr
An expandable atherectomy burr has numerous cutting elements that expand radially outward as the burr is rotated. The cutting elements can include arms or flaps that have an abrasive surface...
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6428552 |
Method and apparatus for crossing intravascular occlusions
An apparatus for treating occlusions. In one embodiment, the apparatus comprises an outer catheter shaft with at least one axial lumen therethrough, wherein the outer catheter shaft comprises a...
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6416523 |
Method and apparatus for creating channels through vascular total occlusions
A method and apparatus for creating a lumen through a total vascular occlusion. A directional cutter is advanced ahead of a number of proximal electrodes that engage a vessel wall. Blood in the...
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6402745 |
Intravenous whip electrode for vein ablation
An intravenous surgical instrument comprises an inner shaft or post and an outer sheath. At a distal end of the inner post a spring-tail or whip-like electrode is disposed substantially in a...
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6398798 |
Catheter system for treating a vascular occlusion
A catherer system and method are provided including a blunt end assembly with a catheter and a blunt end member. The blunt end member includes jaw sections which have a first position or closed...
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6387379 |
Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like
A method for modifying the surface of a material adapted for contact with tissue of a human or non-human animal to impart biofunctional, bioactive or biomimetic properties to the surface...
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6379369 |
Intracorporeal device with NiTi tubular member
An improved guidewire for advancing a catheter within a body lumen which has a high strength proximal portion, a distal portion formed of superelastic alloy and a connector formed of superelastic...
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