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6716196 |
Catheter system for delivery of Therapeutic compounds to cardiac tissue
This is a method and an apparatus for the introduction of therapeutic compounds into tissue, particularly cardiac tissue. The apparatus includes a catheter having an elongated flexible body and a...
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6712797 |
Blood return catheter
A blood vessel catheter with a non-planar tip that prevents or inhibits the catheter from adhering to the blood vessel wall or a blood clot when negative pressure is applied to the catheter to...
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6709428 |
Needle design and manufacturing method for medical applications
The present invention is directed to a novel process for inserting a cannula into a hub member. The process uses an interference or frictional fit between the bore of the hub member and the...
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6706033 |
Modular access port for device delivery
Modular systems comprising a cannula and at least one access port adjacent to a distal end of the cannula provide insertion of one or more therapeutic or diagnostic devices into a vessel or cardiac...
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6706010 |
Balloon catheter and method of production thereof
It is an object of the present invention to provide a balloon catheter in which the inner tube is prevented from slackening after balloon inflation, improving the rewrapping of the balloon,...
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6706023 |
Device for irrigation of a blind orifice
The present invention relates to an irrigation device for use in an orifice. The device has a tubular member having a distal end and a proximal end and at least one bore axially extending from the...
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6702789 |
Catheter having insertion control mechanism and anti-bunching mechanism
The present invention is a catheter having a tube and including mechanisms that provide precision control over insertion and retraction of the catheter tube. The catheter is particularly adapted...
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6702802 |
Catheters with improved transition
The present invention is directed to a balloon catheter, such as a dilatation catheter and a stent delivery catheter with improved stiffness transition and specifically with no sudden changes in...
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6702788 |
Catheter
A catheter of the present invention is used for angiography and has a tube body (catheter tube) having a lumen, a front end opening communicating with the lumen, and a side aperture communicating...
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6699232 |
Fluid injection apparatus with improved contrast visualization
An apparatus and method for manually injecting fluid into a patient with improved contrast visualization are disclosed. The apparatus includes a syringe having a cylinder in which a plunger is...
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6695822 |
Method and apparatus for performing sterile medical procedures
A method and related device for performing sterile medical procedures are disclosed. The method and related device are capable of accessing a sterile environment from a non-sterile environment to...
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6695821 |
Surgical infusion tool with flow diffuser
An intraocular surgical tool for infusing fluid into an eye of a patient. The tool is provided with a housing having a longitudinal bore opening into an aperture. A flow diffuser is positioned over...
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6695815 |
Minimally invasive medical apparatus for dispensing a biologically active compound and an associated medical procedure for dispensing a biologically active compound
A medical apparatus for dispensing a biologically active compound. The medical apparatus includes a sleeve, wherein (1) the sleeve has a working channel defined therein through which medical...
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6696121 |
Balloon for a dilation catheter and method for manufacturing a balloon
A method for forming a balloon for a dilation catheter is provided herein. The method includes the steps of: (i) positioning a tube in a preconditioned mold; (ii) expanding the tube in a...
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6692473 |
Dual lumen adjustable length cannulae for liquid perfusion or lavage
The invention is a dual lumen, adjustable cannula assembly which comprises an inner cannula which is moveable within an outer cannula. Each cannula has openings for fluid passage. The assembly may...
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6692467 |
Trocar assembly
A trocar assembly structured to regulate fluid flow as well as the introduction of predetermined medical instrumentation into and out of a body cavity of a patient during a surgical procedure such...
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6692458 |
Intra-pericardial drug delivery device with multiple balloons and method for angiogenesis
A catheter and a method for using the catheter for site specific delivery of agents to or collecting agents from biological spaces. The catheter includes an inner shaft longitudinally movable...
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6692466 |
Drug delivery catheter with retractable needle
A catheter assembly having a balloon disposed at the distal end thereof and a therapeutic substance delivery assembly, including a needle in fluid communication with a therapeutic substance...
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6685679 |
Interlocking metal shaft
The present invention relates generally to catheters for performing medical procedures including percutaneous transluminal coronary angioplasty. Moreover, the present invention relates to catheters...
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6685680 |
Tapered intravenous cannula
A cannula and method for providing an external connection with an implanted artificial port for communicating with a body lumen of a patient. The artificial port has an entrance conduit with an...
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6685666 |
Catheters for breast surgery
Methods and systems for accessing target sites in breast and other tissues comprising catheters having hooks or other anchoring means at their distal ends. The positions of the catheters and tissue...
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6685665 |
Cannula assembly
Cannulas, as well as cannula assemblies including gas filters, are disclosed.
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6682498 |
Methods and systems for subcutaneous graft implantation
The present invention provides improved methods for establishing vascular access to a patient's body lumen or other target location, particularly blood vessels, for performing extracorporeal...
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6676638 |
Indwelling needle with an inner needle retraction mechanism
An indwelling needle includes: a container barrel having a retraction mechanism (an actuator and urging element etc.,) for retracting the inner needle after use; and an outer needle support lid...
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6676633 |
Intravascular administration set needle safety device
An intravascular administration set with an integral needle safety device is disclosed. An elongate needle trap is pivotally affixed at a first end to a needle stick guard. A winged needle holder...
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6676623 |
Drainage devices and methods
A ureteral drainage stent is designed to be placed in a patient's ureter and extend into a patient's bladder. An elongated tubular segment includes a distal region for placement in the renal...
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6669674 |
Introducer and perfusion cannula
The present invention discloses a multi-access cannula for use in a variety of surgical procedures, particularly for use in the course of performing conventional open-chest and peripheral access...
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6663606 |
Biocompatible medical devices
A modified medical device for delivery of a pharmaceutically active material is described. The present inventors have found that many conventional medical devices contain a metallic or polymeric...
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6663614 |
Catheter shaft having variable thickness layers and method of making
A catheter having a shaft with at least two variable layers, in which the relative proportions of the two layers changes along at least a part of the multilayered shaft section. The catheter shaft...
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6663613 |
System and methods for clot dissolution
Clot disruption and dissolution are achieved using a catheter having both an agitator and the ability to deliver a thrombolytic agent. The catheter is introduced to a target region with a blood...
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6656160 |
Insufflation needle apparatus
Apparatus for insufflating a body conduit or cavity includes a needle having a lumen defined by an inner surface and a sharp distal tip. An obturator, disposed within the lumen of the needle and...
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6656166 |
Guiding introducer for introducing medical devices into the coronary sinus and process for using same
A coronary sinus guiding introducer utilized to introduce medical devices, such as electrode leads, into the coronary sinus of a human heart. This guiding introducer contains a precurved distal...
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6652507 |
Intravascular catheter having multi-layered tip
An intravascular catheter having a multi-layered distal tip including an inner layer, an intermediate layer and an outer layer wherein the intermediate layer is formed of a polymeric material...
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6652471 |
Pressure-sensing guidewire having improved torque
A pressure-sensing guidewire assembly with improved stiffness and torquability is disclosed. The guidewire assembly includes an elongated tubular member having a lumen extending therethrough. The...
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6641573 |
Device and method of guide wire balloon inflation and deflation to prevent cerebral embolization during carotid stenting
A device and method for inflating and deflating a balloon, used to protect the cerebrum against emboli, during carotid stenting, is provided wherein the device comprises a balloon carried on a...
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6641563 |
Stylet-free epidural catheter and thread assist device
A stylet-free epidural catheter for insertion into a patient via a needle defining proximally a needle hub and distally a needle tip, includes a catheter having a proximal end, a distal end, and a...
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6641558 |
Method and apparatus for preventing air embolisms
Method and apparatus for preventing air embolisms during surgical procedures which involves providing a fluid source in communication with an aperture extending into an anatomical cavity such that...
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6638268 |
Catheter to cannulate the coronary sinus
A double catheter includes an outer, resilient catheter having shape memory and a hook-shaped distal end, an inner, pliable catheter slidably disposed in the outer catheter and of greater length...
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6638259 |
Biocompatible medical devices
A modified medical device for delivery of a pharmaceutically active material is described. The present inventors have found that many conventional medical devices contain a metallic component that...
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6635027 |
Method and apparatus for intramural delivery of a substance
An infusion catheter is formed with a catheter lumen extending from a proximal end connector assembly to a distal end valve that is normally closed but is penetrable to allow introduction of a...
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6635324 |
Medical grade tubing and methods for coupling same
A medical grade tubing that includes a layer of ultra low density polyethylene that has been let down, or drawn down, in diameter approximately 10% to about 50% in an extrusion process and an inner...
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6632197 |
Clear view cannula
There is disclosed a clear view cannula for use in surgical procedures having a tubular body, a cylindrical sleeve mounted about and slidably secured to the tubular body, and a plurality of shield...
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6630215 |
Medical Device
A medical material and a medical device comprising an aromatic vinyl compound/α-olefin random copolymer according to the present invention, are materials which contain substantially no chlorine...
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6626887 |
Hard tissue drug delivery device and method
A medication delivery device is disclosed having a hollow drill bit with a lateral opening that is adjacent to a beveled or sharpened tip of a hypodermic needle. The lateral opening, which can be a...
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6626872 |
Perfusion cannula
A perfusion cannula having a proximal section configured for attachment to a source of perfusion fluid, and a distal section configured for insertion in a blood vessel for delivering perfusion...
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6626869 |
Guide wire introducer
The present invention comprises a device for advancing a guide wire into a blood vessel of a patient, which comprises a housing from a distal end of which extends a needle hub support having a...
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6626875 |
Personal feminine hygiene device
A personal shower hygiene device, in the preferred embodiment is structured so as to allow for douching to occur solely with the use of water. This hygiene device comprises a water coupling device,...
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6623456 |
Needle member with off-set flash chamber and/or display member
A needle assembly ( 10 ) for insertion or removal of fluids has a housing ( 20 ) that defines a flash chamber ( 64 ) that is radially offset from the longitudinal axis of the needle. An enhanced...
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6620138 |
Infusor, catheter means and catheter head
The present invention provides an infusor including a housing, a reservoir accommodated in the housing for containing a product fluid to be administered, and a delivery means accommodated in the...
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6620118 |
Apparatus and method for the dialysis of blood
Improved apparatus and method for the dialysis of blood. The improved apparatus comprises a subcutaneous port and catheter assembly comprising a connector portion comprising a subcutaneous port...
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