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5171316 |
Valvulotome
A valvulotome for surgically removing venous valves in order to convert a vein into an arterial bypass, comprises a thin, elongated, flexible wire of Nickel-Titanium alloy coated with PTFE and...
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5170805 |
Method of destroying tissue such as a gall bladder utilizing a sclerosing agent alone or with a symphysis agent
A method of destroying tissue such as a gall bladder located within the body of a living. A sclerosing agent is introduced into the body in a volume contiguous with the surface of the tissue to be...
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5163421 |
In vivo ultrasonic system with angioplasty and ultrasonic contrast imaging
An instrument and method for removing an obstruction from a human body lumen, such as an artery, is provided wherein the distal end of an ultrasonic transmission member is inserted within the...
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5160342 |
Endovascular filter and method for use thereof
A filter useful in tubular organs of the human body, intended primarily for endovascular use during surgical procedures for removal of plaque and other treatment of stenoses in arteries, in order...
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5158564 |
Atherectomy apparatus
An apparatus for atherectomy comprising at least one rotatable member for removing deposits, coatings, occlusions, etc. in a vessel, with the at least one rotary member being radially expandable...
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5152773 |
Medical instrument
A medical instrument for insertion into human vessels for removing plaque deposits from the walls of arteries and/or veins. It is formulated of a partially hollow and, seen in cross section,...
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5152772 |
Sphincterotomy catheter and method
Method for performing a laparoscopic sphincterotomy involving the steps of positioning a catheter within the duodenum by inserting the distal end of the catheter into the common bile duct and...
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5152771 |
Valve cutter for arterial by-pass surgery
A valve cutter for arterial bypass surgery is provided and includes a blade assembly for cutting the venous valves, a shaft for guiding the blade assembly through the bypass vein, an expansion...
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5141491 |
Device for cutting venous valves
A device for cutting venous valves includes a support member adapted to be inserted into a vein and having a fore, rounded insertion end and a rear end provided with valve cutters, the valve...
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5141503 |
Wound suction drainage system
Wound drainage system having a wound drainage catheter with an apertured distal end and a closed reservoir system. A plug in the lumen of the distal end substantially engages the lumen. A thread...
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5139506 |
Valvulotome
A valvulotome for surgically removing venous valves in order to convert a vein into an arterial bypass, comprises a thin, elongated rod capable of insertion into a vein and a head having a blunt...
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5135484 |
Method of removing plaque from vessels
A method of removing plaque from vessels by at least partially isolating a portion of a vessel which is partially occluded by plaque from the remainder of the vessel, forcing a slurry to flow in...
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5135531 |
Guided atherectomy system
An atherectomy system for coring, ingesting and removing an obstruction material from within a patient's vessel having a flexible guide wire defining a void for holding obstruction material during...
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5135482 |
Hydrodynamic device for the elimination of an organic deposit obstructing a vessel of a human body
A device and method for removal of organic deposit obstructions in blood vessels by use of a supersonic microjet liquid flow for canalizing the organic deposit obstruction to be removed. The device...
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5133725 |
Adjustable intra-liminal valvulotome
An adjustable intraluminal valvulotome comprises a hollow tubular member and a pair of substantially identical, opposed cutting blades provided at the distal end of the tubular member. Each of the...
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5131379 |
Device and method for inserting a cannula into a duct
Device for inserting a cannula into a duct. The device includes a housing having a handle and a distal end, the distal end being insertable through a laparoscopic trocar. Attached to the distal end...
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5127902 |
Apparatus and method for precisely controlling the excision of obstructive tissue in a human blood vessel
A means and method is described that uses a tissue excision (atherectomy) catheter system for creating a passageway through obstructive tissue in a blood vessel of a human body such that the...
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5127917 |
Probe, especially for the recanalization of occlusions, and catheter arrangement with such a probe
The probe is provided at its distal end with an olive-shaped tip which is solidly joined to a shaft. The shaft is provided with a wire made of stainless steel as well as a spring. The maximum...
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5116350 |
Catheter system having distal tip for opening obstructions
A drive catheter having a distal tip for opening a partially or totally obstructed blood vessel. Both manual and motor applied motions are disclosed. In addition to a continuous rotation, two...
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5114399 |
Surgical device
A surgical device employs a catheter for removing obstructive material from the body cavity or lumenal passage. The catheter has a blade subassembly on its distal tip for coring, homogenizing,...
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5112347 |
Embolectomy catheter, and method of operating same
An inflatable balloon-type catheter (20) for use in performing an embolectomy, includes an elongated catheter (21) having a distal end (22) adapted to be inserted through an incision into a...
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5108411 |
Flexible catheter drive cable
A catheter comprises a flexible tubular member having a drive cable disposed in a lumen thereof. A work element is secured to a distal end of the lumen while a coupling member for rotating the...
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5102415 |
Apparatus for removing blood clots from arteries and veins
A triple catheter for removing of blood clots from arteries and veins is equipped with an outer catheter (1) that can be inserted into a blood vessel and an inner catheter (5) with an inflatable...
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5100426 |
Catheter for performing an atherectomy procedure
A catheter for performing an atherectomy procedure to remove plaque from an artery is disclosed. The catheter includes a plaque cutting head having an outer shell of thin flexible material...
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5100425 |
Expandable transluminal atherectomy catheter system and method for the treatment of arterial stenoses
An expandable transluminal atherectomy catheter system (10) is provided which includes an expandable transluminal atherectomy catheter (ETAC) (20), a balloon-on-a-guide wire (30), a sheathing...
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5100423 |
Ablation catheter
An ablation catheter is provided with an elongated member or shaft and a plurality of helically-shaped cutting wires attached to the shaft to form a cutting basket. Each of the cutting wires has a...
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5097849 |
Method of use of catheter with working head having selectable impacting surfaces
A catheter and method of use for engaging material within the body of a living being to accomplish a medical and/or surgical procedure, e.g., form and enlarging an opening in a restriction in a...
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5092873 |
Balloon configuration for atherectomy catheter
A vascular catheter includes a flexible catheter body having proximal and distal ends and an elongate housing secured to the distal end of the catheter body. An interactional device is disposed on...
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5092839 |
Coronary thrombectomy
The present invention is directed to a method and apparatus for removing thrombus and plaque from a coronary artery which is at least partially occluded due to deposits of plaque and thrombus on...
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5087264 |
Venous valve-incising device
A venous valve-incising device is made up of a flexible insertion member having a distal end, a hard tip attached to the distal end of the insertion member, and a coupling member for detachably...
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5084010 |
System and method for catheter construction
A catheter system comprises a flexible catheter tube or body having a housing secured to its distal end. A plurality of structurally distinct terminal components are provided to attach to the...
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5078723 |
Atherectomy device
A device for removing stenosis from arteries includes a catheter body for delivering a cutter to the area of the stenosis. A screw is mounted on the distal end of the body for entering and fixedly...
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5078722 |
Method and apparatus for removing deposits from a vessel
A catheter for insertion into a subject and for use in removing deposits from inner wall linings of a vessel, typically a blood vessel. The catheter includes a cutting member located at its distal...
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5074841 |
Atherectomy device with helical cutter
A cylindrical housing has a plurality of seriate slots. A helical cutter is rotatably mounted within the housing. A drive wire passes through the housing and connects with the cutter to provide...
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5071425 |
Atherectomy catheter and method of forming the same
An atherectomy device includes a transparent lumen for providing inflation medium to an inflatable balloon. A dual lumen flexible tube includes an opaque flexible torque member in a first lumen,...
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5069679 |
Method and apparatus for removing venous valves
An improved valvulectome (10) is adapted for use in selectively excising the leaflets of a venous valve. The apparatus includes an elongated probe (11) having one tip end portion (12) adapted to be...
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5062648 |
Seal for rotating torque tube with seal valve
A device for establishing a fluid-tight seal around a rotatable drive shaft has a housing which is formed with a straight bore through which the drive shaft is positioned. The bore has a narrow...
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5061240 |
Balloon tip catheter for venous valve ablation
A balloon tip catheter for tearing away one way valves in a vein so that the vein can be used as a bypass conduit without the valves dictating the venous flow direction. The catheter balloon has an...
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5059203 |
Powered microsurgical tool
A miniature rotatable work wheel includes a cutting blade that is integrally formed with a drive hub and axle and mounted for rotatable movement at the end of a casing member. The casing member is...
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5053044 |
Catheter and method for making intravascular incisions
A vascular catheter includes a blade tip at its distal end. In the specific embodiments, a blade is mounted within the blade tip and a mechanism provided for extending the blade transversely when...
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5049124 |
Catheter drive apparatus having fluid delivery bearing
A catheter having a distal working head carried by a tubular sheath. A bearing fixed to the tubular sheath forms fluid delivery passageways in fluid communications with the center of the sheath....
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5049154 |
Adjustable intra-luminal valvulotome
An adjustable intraluminal valvulotome including a hollow tubular member in which is slidably disposed a control wire. First and second spring wire elements respectively interconnect first and...
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5047041 |
Surgical apparatus for the excision of vein valves in situ
An improved surgical device for cutting and removing venous valves is disclosed. The valve cutter is provided with a circular cutting head and a dilating segment affixed to a cable or wire. The...
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5047040 |
Atherectomy device and method
An atherectomy device for removing stenosis materials from a vascular vessel is provided. The atherectomy device includes a flexible tubular member, a flexible drive means disposed within the...
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5042984 |
Catheter with working head having selectable impacting surfaces and method of using the same
A catheter and method of use for engaging material within the body of a living being to accomplish a medical and/or surgical procedure, e.g., from and enlarging an opening in a restriction in a...
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5041082 |
Mechanical atherectomy system and method
A mechanical atherectomy system insertable into a patient's artery over a non-rotating, auger-shaped flexible guide-wire for remotely cutting and removing an obstruction therein, having a flexible...
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5026384 |
Atherectomy systems and methods
An atherectomy system includes a guide wire which can be inserted into an artery of a patient to a region of occlusion, a torque tube having a cutter device affixed to its distal end which is...
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5026383 |
Apparatus for in-situ cutting of valves within veins and method therefor
An apparatus for in-situ cutting through one-way valves in a vein to convert the vein for use as an artery and a method therefor. The apparatus employs a cutting catheter and a pulling catheter....
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5024651 |
Atherectomy system with a sleeve
An atherectomy system for removing an obstruction from within a patient's vessel, comprising a flexible guide-wire insertable into the vessel, a flexible rotary catheter for coring and ingesting...
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5019089 |
Atherectomy advancing probe and method of use
An atherectomy probe for incrementally advancing a torque tube with a rotating cutter through an artery to remove obstructive tissue from the lumen of the artery comprises a fixed distal support...
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