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7618379 |
Composite guidewire
Alternative designs, materials and manufacturing methods for guidewires. Some embodiments pertain to a composite guidewire having proximal and distal section, and a connector adapted and configured...
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7606615 |
Methods and apparatus for acute or chronic delivery of substances or apparatus to extravascular treatment sites
Methods and apparatus for delivery of substances or apparatus to target sites located outside blood vessels within the body of a human or animal patient. A vessel wall penetrating catheter is...
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7558616 |
Guidance of invasive medical procedures using implantable tags
Apparatus for locating a tissue within a body of a subject includes an acoustic tag configured to be fixed to the tissue and adapted, responsive to acoustic waves incident thereon, to return...
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7363072 |
Method and apparatus to remove substances from vessels of the heart and other parts of the body to minimize or avoid renal or other harm or dysfunction
To accomplish isolation and removal of a substance from a vasculature, a catheter is employed to occlude a vessel of the vasculature. The substance is thus isolated in the vasculature and can be...
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7351214 |
Steerable balloon catheter
A steerable balloon catheter including a balloon catheter supported by a steerable guidewire having a deflectable distal tip. The guidewire comprises a longitudinal hypotube and a spring coil...
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7347829 |
Introduction system for minimally invasive surgical instruments
A medical system is disclosed that includes a cannula, an introducer stylet removably disposed within the cannula and a target confirmation device selectively insertable within the cannula. In an...
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7338480 |
Diagnosis catheter for interstitial cystitis
A diagnosis catheter 1 for an interstitial cystitis is connected to a current perception threshold inspection apparatus 4 . A catheter body 11 is made of a soft flexible material and includes...
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7328058 |
Intravascular imaging detector
An apparatus for intravascular imaging to detect and characterize early-stage, unstable coronary arty plaques. The detector works by identifying and localizing plaque-binding beta-emitting...
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7205768 |
Connection lead for an electrical accessory device of an MRI system
A magnetic resonance imaging apparatus is provided with one or more electrical accessory devices, for example, catheters ( 10 ) or RF body coils ( 6 ), which are intended for use during the...
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7169114 |
Biopsy and delivery device
A device and method for the obtaining a tissue biopsy and the delivery of a material to provide hemostatis, therapeutic agents or marker material is described that can be used in conjunction with...
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7094209 |
Method for introducer replacement
The invention provides a method for replacing a first introducer, whose distal end is inside a vessel and whose proximal end is outside the skin of a patient, with a second introducer. The method...
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7083577 |
Guide wire
A guide wire having an elongated core wire provided with a tabular distal end portion, and a coiled wire provided on an outer circumference of the core wire, wherein the distal end portion of the...
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7065395 |
Method and apparatus for cardiac radiological examination in coronary angiography
A method of cardiac radiological examination for coronarography comprises the steps of:
a) introducing contrast medium simultaneously in the left coronary artery and in the right coronary...
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7056294 |
Method and apparatus for accessing the left atrial appendage
Disclosed is an apparatus for facilitating access to the left atrium, and specifically the left atrial appendage. The apparatus may comprise a sheath with first and second curved sections that...
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6999809 |
Central venous catheter having a soft tip and fiber optics
A multiple lumen catheter having a soft, tapered multiple lumen distal tip for insertion into a body vessel. One of the lumens is sized to pass over a guidewire such that the catheter can be...
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6951554 |
Deflecting catheter
A catheter includes a distal end, a proximal end, an outer tube extending from the distal end to the proximal end, and an inner tube extending through the outer tube. The distal end including a...
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6947788 |
Navigable catheter
A catheter, including: a housing having a transverse inner dimension of at most about two millimeters; and a coil arrangement including five coils and five solid cores. Each of the coils is wound...
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6947787 |
System and methods for imaging within a body lumen
Systems, methods and apparatus for acquiring an image from within a body lumen are provided. Systems embodying features of the invention include an intracorporeal imaging component for acquiring...
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6908468 |
Devices for nuclear spin tomography magnetic resonance imaging (MRI)
The subject invention relates to a material for magnetic resonance imaging, and apparatus incorporating such material. The subject material can comprise cobalt, nickel, and chromium and can be used...
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6873868 |
Multi-fiber catheter probe arrangement for tissue analysis or treatment
A catheter tip apparatus is arranged in a catheter for the delivery and collection of an energy signal to permit analysis and/or treatment of body tissue by the energy signal. The apparatus...
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6827703 |
Single lumen balloon catheter apparatus
A catheter useful for non-surgical entry into a uterus to dispense a diagnostic fluid therein. The catheter includes a tubular body having a lumen extending from a first end thereof to a second end...
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6811958 |
Medical long object and method for producing the same
A medical long object of the present invention has a part made of a polymeric material containing a laser color developing agent at least in a part of the surface thereof, and a light developing...
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6776765 |
Steerable stylet
A steerable stylet for use within a lumen of an intravascular device includes a stylet assembly and a handle. The stylet assembly has a distal end portion and a proximal end portion and includes a...
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6770038 |
Stiffening member to increase fluid flow within a medical device
The present invention relates to a stiffening member, which is a stylet, that helps increase the fluid flow area within a catheter. In a preferred embodiment, the stylet is made of a single piece...
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6755794 |
Adjustable stylet
An adjustable stylet includes a core wire having a portion surrounded by a compression member preferably comprised of a flat wire spring. Depending upon the configuration, compression or relaxation...
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6738651 |
Catheter based probe and method of using same for detecting chemical analytes
A medical diagnostic apparatus including a catheter and a probe assembly coupled to the catheter and a method involving the use of a catheter and a probe assembly coupled to the catheter. The probe...
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6701180 |
Catheter for media injection
An improved endocardial catheter includes a plurality of longitudinally extending openings adjacent intermediate portions at its distal end. The catheter is actuable from a retracted or collapsed...
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6661875 |
Catheter tip x-ray source
The present invention provides a catheter having an x-ray generator unit at its tip which generates x-ray radiation having a wavelength in a range effective for treating biological tissue. In one...
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6648810 |
Medical device
Medical system comprising a hollow catheter 14 , for insertion into a human or animal body, and an elongated x-ray tube unit 12 provided with an x-ray tube 16 at its distal end and adapted to...
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6635022 |
Braidless guide catheter
Guide catheter incorporating a braidless construction having increased performance characteristics for catheterization procedures. The guide catheter may include a tracking wire, inner or outer...
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6575920 |
Distal tip portion for a guide wire
Methods and devices relating to guidewires. In one embodiment, a distal tip portion of a guidewire comprises a first tip member and a second tip member. The first tip member has a first end, and a...
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6574497 |
MRI medical device markers utilizing fluorine-19
Medical devices that incorporate compounds containing fluorine-19 materials for use as contrast agents and passive markers in interventional magnetic resonance angiography. The device may be a...
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6544163 |
Apparatus and method for controlling a magnetically controllable embolic in the embolization of an aneurysm
The present invention involves a magnetic embolization apparatus and method for embolizing an aneurysm of a blood vessel. The magnetic embolization apparatus includes a catheter having a distal...
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6540698 |
Medical device having wet lubricity and method for its production
A highly safe medical device which exhibits long-lasting low surface friction in a body fluid or in an aqueous medium is provided. Also provided is a method for producing such medical device...
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6524274 |
Triggered release hydrogel drug delivery system
The invention features a method for triggering release of a drug from a hydrogel polymer to tissue at a desired location of the body using a catheter. A portion of the catheter is coated on its...
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6490467 |
Surgical navigation systems including reference and localization frames
A system for use during a medical or surgical procedure on a body. The system generates an image representing the position of one or more body elements during the procedure using scans generated by...
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6475187 |
Convertible catheter incorporating distal force transfer mechanism
A method and apparatus for increasing the force transmission from a core wire to a more proximal portion of the catheter, and for directly providing column support at or near the side port of a...
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6463317 |
Device and method for the endovascular treatment of aneurysms
This invention provides a method and a device for treating hemodynamically significant aneurysms especially in the intracranial and extracranial circulation regions using either X-ray fluoroscopy...
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6447462 |
Urodynamic catheter and methods of fabrication and use
A urodynamic catheter incorporating at least one balloon adjacent a distal end thereof and associated with a pressure lumen extending to a proximal end to be placed external to the body of a...
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6442415 |
Contrast-enhanced coronary artery and coronary artery bypass graft imaging using an aortic root catheter injection with either magnetic resonance angiography or computed tomographic angiography
A three-dimensional method of imaging the coronary arteries and coronary artery bypass grafts using a catheter contrast enhanced technique. The method involves the percutaneous placement of a...
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6383144 |
Devices and methods for measuring temperature of a patient
An access device such as a catheter, or introducer, or any combination of the above is provided. Within the access device is at least one lumen, channel or instrument that carries or itself is a...
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6375628 |
Hollow medical wires and methods of constructing same
The present invention provides an apparatus for performing angioplasty or vascular intervention procedures. The apparatus of the present invention comprises a catheter apparatus comprised of a...
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6370421 |
Density modulated catheter for use in fluoroscopy based 3-D neural navigation
A method and apparatus for providing a high-quality representation of a volume having a real-time 3-D reconstruction therein of movement of a catheter, wherein its real-time movement is determined...
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6368316 |
Catheter with composite stiffener
A catheter comprising an elongate tubular member having a proximal end, a distal end, and a passageway defining a lumen extending between the proximal and distal ends. The elongate tubular member...
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6361528 |
Dynamically compliant catheter
A catheter enabling a reduced puncture hole size into the skin and blood vessel is disclosed. In one embodiment, the catheter has an elongate body having an expandable sheath extending at least a...
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6302990 |
Method of making a lined infusion catheter
An infusion catheter for delivering drugs or other agents to selected sites in an organism, such as a human. In an alternate embodiment, a catheter system is disclosed having an infusion catheter...
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6280434 |
Angiographic catheter
An angiographic catheter has exhibits elasticity as a whole and has at a distal end portion thereof a deformed portion that is curved into a desired shape when no external force is applied thereto....
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6264633 |
Balloon catheter
A balloon catheter for medical applications has a balloon 11 in a tip region facing the patient having a structured outer surface 12. The structured outer surface 12 is formed by wave troughs and...
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6210365 |
Perfusion catheter system having sutureless arteriotomy seal and methods of use
Apparatus and methods are provided for delivering oxygenated blood to a patient undergoing cardiac surgery using a perfusion catheter having a distal end carrying first and second sealing members....
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6198963 |
Position confirmation with learn and test functions
Verification apparatus (32), for verifying the location of an object (22) in a patient's body (20), the apparatus having learn and test modes and including a receiver (76), which receives signals...
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