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Document Title |
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5785675 |
Thrombectomy device
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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5782848 |
Resecting coagulated tissue
The invention relates to quickly and efficiently removing coagulated tissue within a body lumen without affecting the normal, healthy, untreated tissue, to minimize post-operative complications...
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5782850 |
Method for treating trigger finger, and medical instrument therefor
A medical instrument for treating trigger finger which has an operation portion having a forwardly pointed first tip at a front end, a second tip directed rearwardly of the first tip, and a...
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5782834 |
Surgical instrument
A surgical instrument in which a surgical tool is carried distally of a bend region in a stationary support member by an assembly that transmits proximally applied forces through the bend region to...
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5782847 |
Anti-stenotic method for occluded and partially occluded arteries
Methods of artificially lining a vessel, especially an artery, of a medical patient to address the existence of a flow-inhibiting atheroma and to significantly alleviate the probability of...
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5779722 |
Atherectomy device handle with guide wire clamp override device
An atherectomy device having a handle housing, a rotatable prime mover movable longitudinally with respect to the handle housing, a rotatable drive shaft having a proximal end connected to the...
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5776153 |
Angioplasty catheter with guidewire
Angioplasty apparatus comprises a hand-held unit which reciprocates a wire within a catheter. It is found that, by using a highly flexible wire and a reciprocation frequency of 50-1000 Hz a diffuse...
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5772674 |
Catheter for removal of clots in blood vessels
A thrombectomy catheter includes a delivery catheter and a receiving catheter, both having balloons at their distal ends. The balloons are made of a material which, when inflated, assumes the shape...
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5766192 |
Atherectomy, angioplasty and stent method and apparatus
An atherectomy device for treating obstructions in vessels or small openings in the body, includes a rotatable ablator tip which is guided to the obstruction in a reduced diameter configuration,...
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5766195 |
Optical shunt cutter system
A device and method for removing ingrown biological tissue from the fluid passageway of a drainage shunt which has been implanted in a patient to relieve a hydrocephalic condition, includes a...
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5766190 |
Connectable driveshaft system
The present invention provides for an improved rotating mechanical, or roional, ablation device wherein one or more diamond plated burrs are attached to a driveshaft, which rotates at high speed...
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5749883 |
Medical instrument
A medical instrument has an elastic tubular portion formed as a weaving portion, and an actuating element arranged so that by its displacement it acts on the tubular portion so that the tubular...
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5749882 |
Apparatus for disrupting vein valves
A valvulotome for disrupting valve cusps in the vein of a patient includes a shaft and a cutting member which extends along an axis that defines an axial direction as well as an angular direction....
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5746758 |
Intra-artery obstruction clearing apparatus and methods
Disposable intra-arterial augering and dottering-instruments for use in patients in clearing pathways at obstructed or nearly obstructed arterial sites are disclosed. A number of augering tips used...
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5728123 |
Balloon actuated catheter
A catheter device for performing atherectomy procedures and the like in which cutting blades at the distal end of the catheter are extended by the application of fluid pressure to the catheter to...
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5728129 |
Distal atherectomy catheter
A distal atherectomy catheter is disclosed for removing obstructions, plaque, stenosis, occlusions, or the like from an artery or coronary vessel. The catheter comprises a flexible, hollow catheter...
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5713849 |
Suction catheter and method
A suction catheter has a tubular body with a distal end, a proximal end, and an inlet lumen and a discharge lumen formed in the catheter body. At the distal end of the catheter, the inlet lumen is...
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5713913 |
Device and method for transecting a coronary artery
The present invention is a device for creating a transection in a coronary artery. Structurally, the present invention includes an inflatable balloon mounted at the distal end of a catheter. A...
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5713851 |
Method for manufacturing a catheter with at least one high-pressure lumen
A method of manufacturing a catheter which comprises a pair of separate lumens defining a higher pressure lumen and a lower pressure lumen, plus a side opening positioned adjacent the distal end of...
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5707383 |
Method of removing soft tissue in the middle ear
A surgical abrading instrument for removing soft bodily tissue includes a stiffening support member and an abrasive member formed of a rubbery polymeric material. The abrasive member is mounted on...
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5702413 |
Curved bristle atherectomy device and method
An medical device with hook like bristles suitable for capturing occlusive material. The device is inserted to a patient's vasculature and moved through an area of occlusion in such a way as to...
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5700240 |
Phacoemulsification system having ultrasonic power controlled by aspiration vacuum sensor
A method for controlling aspiration and irrigation fluids in an eye during a surgical procedure includes placing a handpiece in an operative relationship with an eye for introducing irrigation...
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5697944 |
Universal dilator with expandable incisor
A device for incising and dilating a stenosis in a vessel of a patient includes a dilator housing and a plurality of blades which can be selectively extended from the housing. Specifically, the...
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5695506 |
Catheter device with a flexible housing
Disclosed herein is a catheter device for use in a biological conduit. The catheter device has a catheter body with a housing and a torque cable lumen, a torque cable, a work element, and a...
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5695507 |
Transluminal thrombectomy apparatus
The invention is an apparatus for breaking up a thrombus by introducing a tating core wire into the thrombus whereby the fibrin of the thrombus will be withdrawn from the thrombus into the rotating...
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5695508 |
Device and method for dynamic dilation of hollow organs with active perfusion and extraction
The invention constitutes a dilating catheter for blood vessels in which the catheter is constituted of a hollow radiopaque tube designed to be snaked into the blood vessel and includes a working...
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5695514 |
Method and apparatus for harvesting blood vessels
Apparatus and method of harvesting a vessel of interest use a thin-walled, dark-colored sheath inserted within the vessel with the aid of an inner, slidable support member that is removed following...
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5688234 |
Apparatus and method for the treatment of thrombotic occlusions in vessels
Apparatus for the treatment of a thrombotic occlusion in a vessel of a patient comprising a flexible elongate tubular sheath having proximal and distal extremities. A relatively large lumen defined...
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5681335 |
Miniaturized brush with hollow lumen brush body
A miniaturized brush and method of making same having a hollow lumen for introducing an agent for dissolving a soft fibrinous obstruction, such as a recently formed thrombus, within a patient's...
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5681336 |
Therapeutic device for treating vien graft lesions
A rotational ablation device for use in medical applications which are designed to reduce lesions, particularly vein-graft lesions, within blood vessels, the device includes a distal balloon...
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5674232 |
Catheter and method of use thereof
An endarterectomy catheter and method for removing obstructions from an artery comprises a cylindrical, oval, kidney shaped or other shape housing, the housing having an opening inside which a...
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5674226 |
Method and apparatus for tissue excision and removal by fluid jet
A method and apparatus for the excision and removal of tissue, such as the lens of the eye includes a pencil-like handpiece having a cannula probe extending from the distal end thereof. The probe...
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5669920 |
Atherectomy catheter
An improved atherectomy catheter and methods of making and using a catheter are disclosed. In one embodiment, the catheter comprises a housing shaft having a torsionally-reinforced outer layer...
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5665093 |
Surgical implantation method and apparatus
An apparatus and method for implanting within a human or animal body a surgical device which includes a tubular member with outside markings having a removable pointed end member mounted in the...
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5665098 |
Unitary removal of plaque
Novel apparatus and related methods are disclosed by which plaque is connected to the head of a removal instrument for removal of a unitary segment of plaque from an artery intact to increase blood...
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5658301 |
Self-centering valvulotome
Self-centering valvulotome (V) having a flexible cable (1) partly and slidably disposed within a protective sheath (2), a cutting unit (4), having at least three radially mounted, retractable...
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5653722 |
Anterograde/retrograde spiral dissector and method of use in vein grafting
A surgical instrument for bluntly dissecting connective tissues in a plane around a vein or other anatomic structure in a minimally invasive surgery. An anterograde or retrograde spiral dissector...
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5649941 |
Improved vascular incisor/dilator
A device and method for clearing a stenosis in a vessel of a patient requires a catheter having a rigid, cone-shaped probe at its distal end. The probe has a distally diminishing taper and also has...
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5649946 |
Carpal tunnel medical instrument
A carpal tunnel medical instrument that facilitates a two-handed carpal tunnel surgical procedure. The medical instrument of the present invention includes an elongated handle with a surgical...
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5630823 |
Apparatus for fragmentation of a lung or heart embolus
Method and apparatus for fragmentation of a lung embolus. The apparatus includes a catheter that is introduced over a guide wire to the site of the lung embolism in the vascular system of a...
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5628746 |
Dilatation catheter assembly with cutting element and method of using the same
A dilatation catheter assembly is set forth which permits dilatation and incision of tissue whereby trauma and damage to the tissue due to uncontrolled tearing is reduced or eliminated. The...
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5628761 |
Guide wire passage creation device
A device to be used in connection with revascularization, especially of the coronary arteries, makes it possible for conventional techniques such as angioplasty or atherectomy to be employed in...
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5626593 |
Flexible elongate device having a distal extremity with a vibratory impact tip and method
A flexible elongate device including a flexible elongate tubular member having proximal and distal extremities. A flexible coil spring is provided having proximal and distal extremities. The...
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5626597 |
Percutaneous introducer
A surgical instrument for percutaneous accessing body tissue including a tissue piercing element for creating an opening through a body wall. The surgical instrument may include a working member...
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5624455 |
Freely projectable/sinkable valvulotome and freely projectable/sinkable venous valve valvulotome
In a valvulotome, when an operating wire is advanced or withdrawn, a pair of arms project from or sink into a sheath, and cutters at the tips or the arms open or close. When the arms are stowed in...
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5624457 |
Directional atherectomy device with flexible housing
An intravascular directional atherectomy device is disclosed. The apparatus comprises a catheter body having a distal end, a proximal end and an axial lumen therebetween. A housing having an open...
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5616149 |
Balloon catheter with cutting edge
An apparatus and method for dilation or recanalization of a diseased vessel by use of a balloon catheter with cutting edges to make longitudinal cuts in the vessel wall is described. The diameter...
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5609602 |
Oscillatory coupling for surgical instruments and methods of imparting oscillatory motion thereto
Rotary oscillatory coupling includes a pair of opposed hubs which are independently rotatable about a common axis. Pairs of permanent magnets are provided in the opposed faces of the hubs. The...
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5601580 |
Venous valve cutter
An improved valve cutter for in-situ incision of valve leaflets which safely, efficiently, and consistently renders venous valves incompetent while minimizing frictional forces on the endothelium...
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5591183 |
Dissection apparatus
The present invention provides a multiple cannula assembly which includes an inner cannula having a first balloon for making an elongated cavity by progressive dissection, an endoscope for visually...
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