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8177744 |
Apparatus and methods for bone, tissue and duct dilatation
Apparatus and methods are disclosed for medical treatment comprising bone, tissue or duct dilatation using inflatable dilatation elements together with apparatus and techniques for tensioning,...
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8083714 |
Catheter balloon
A catheter balloon is configured to improve its fold-in or collapsing behavior. The catheter balloon has a balloon body portion, a first tapered end portion and a second tapered end portion. The...
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7998129 |
Device for facilitating cardioplegia delivery in patients with aortic insufficiency
A method and device that addresses the problem of an incompetent aortic valve by using a simple cardioplegia catheter that can deliver cardioplegia solution to the coronary arteries through the...
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7963942 |
Medical balloons with modified surfaces
Medical balloons are described that have modified regions that enhance folding of the balloon.
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7857786 |
Balloon catheter having improved balloon folding capability
The present invention provides apparatus and methods for facilitating folding of a balloon before, during or after a medical procedure. In a first embodiment, the apparatus generally comprises at...
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7780630 |
Perfusion device
A perfusion guidewire is disclosed. The perfusion guidewire includes an elongate core member and a collapsible sheath tightly wrapped around at least the distal portion of the elongate core member...
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7771447 |
Balloon refolding device
A device for folding a balloon of a balloon catheter onto a catheter tube during a balloon deflation includes a first band positioned on the catheter tube distal to the balloon and a second band...
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7761132 |
Local endo coil for intracorporeal placement for recording magnetic resonance signals
An outer balloon is provided in the interior thereof with a coil conductor for a local endo coil for intracorporeal placement for recording magnetic resonance signals, which can be deployed for the...
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7758549 |
Injection needle assembly comprising an injection needle and a needle guide
An injection needle assembly including an injection needle, which can pierce body tissue, and a needle guide, which can be placed on the body tissue and axially stabilizes the injection needle...
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7547294 |
Microfabricated surgical device for interventional procedures
An actuator for an interventional surgical procedure is described. The actuator may include an actuator body having a distal end and a proximal end. A central expandable section is located between...
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7540846 |
Energy application with inflatable annular lens
Apparatus and methods for ablating tissue surrounding a tubular anatomical structure such as the wall of a blood vessel or prostatic tissue surrounding the urethra. The apparatus includes an...
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7344557 |
Catheter balloon systems and methods
Apparatus and method are provided for treatment of a bifurcation of a body lumen. The apparatus includes an elongated catheter body having a proximal end and a distal end. A balloon is associated...
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6623451 |
Folding spring for a catheter balloon
A device for folding a balloon of a balloon catheter during balloon deflation includes a band and a plurality of elongated fingers that are attached to the band. The band includes a midsection and...
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6613067 |
Balloon protector
A method and apparatus for protecting a balloon of a balloon catheter from damage prior to inserting the balloon catheter into a body lumen. The balloon protector comprising a tube of synthetic...
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6526977 |
Tracheal breathing apparatus
The present invention relates to a tracheal ventilating device, especially a tracheal tube or tracheal cannula which obturates the trachea as hermetically as possible for ventilating a patient, the...
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6506179 |
Tube having a retention member
A retention member and a feeding tube having a feeding lumen and an inflation lumen. The retention member including a sleeve section, an expandable section, and a shoulder section of decreasing...
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6494860 |
Introducer with multiple sheaths and method of use therefor
A vascular introducer is disclosed which includes an elongated primary sheath defining an interior lumen and having opposed proximal and distal end portions, and at least an elongated secondary...
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6428568 |
Catheter balloon with biased multiple wings
A balloon catheter for dilating a stenotic region of a patient's body lumen such as an artery or for the implantation of an expandable stent within a patient's body lumen. The balloon of the...
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6361543 |
Inflatable devices for separating layers of tissue, and methods of using
An apparatus and method for separating a first layer of tissue from a second layer of tissue. An inflatable balloon is mounted to a delivery device. The inflatable balloon has a first,...
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5762604 |
Surgical instrument permitting endoscopic viewing and dissecting
A surgical dissector and method for facilitating fiberoptic viewing when developing a minimally invasive accessway to a surgical objective in the interior of the body. The dissector or guide is...
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5681522 |
Method and apparatus for annealing angioplasty balloons to improve re-wrappability thereof
To improve the re-wrappability of the expander members used on balloon catheters subsequent to an initial inflation thereof, the balloon member is subjected to an annealing process in which the...
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5609583 |
Collapsible catheter
A collapsible catheter is provided for irrigation or aspiration of the urinary bladder with fluid. The catheter consists of a pair of telescoping collapsible hollow elastomeric tubes which form an...
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5569294 |
Two piece balloon protector
The present invention is for a two piece balloon protector (5) which consists of an cylindrical tube (10) and an inner elastomeric member (15). The inner elastomeric member (15) has a outer...
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5512051 |
Slip-layered catheter balloon
A slip-layered balloon catheter for insertion into a bodily conduit, especially an artery. The catheter comprises a shaft (21) having at least one lumen (26) for delivery of a fluid inflation media...
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5509899 |
Medical device with lubricious coating
A medical balloon and catheter in which the balloon (14) is wrapped and folded upon itself tortuously and tightly so outer surfaces (12) contact each other for insertion into the body and in which...
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5397306 |
Catheter
The catheter of the present invention comprises a body portion, a distal portion and an internal lumen and at least the above body portion includes a super-elastic metallic tube. This catheter has...
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5342307 |
Dilatation catheter with tri-fold balloon
The balloon of an angioplasty balloon catheter is prepared for insertion through a patient's cardiovascular system by a series of steps to create three or more folded wings or flaps. The wings are...
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5330428 |
Dilatation catheter having a random copolymer balloon
The present invention provides a dilatation catheter which includes a balloon having at least one layer of a thermoplastic material consisting essentially of a random copolymer made from dimethyl...
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5328468 |
Balloon for blood vessel-dilating catheter
A balloon for a blood vessel-dilating catheter is fabricated from a biaxially oriented film of an aromatic polyamide or an alloy thereof. The balloon has a calculated modulus of elasticity of from...
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5318587 |
Pleated balloon dilatation catheter and method of use
A balloon dilatation catheter is provided with a pleated balloon defining at least three pleats and alternating wings. When the balloon collapses, it tends to assume a pleated configuration which...
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5267958 |
Exchange catheter having exterior guide wire loops
A balloon catheter is disclosed having a catheter body and one or more loops external to the body and spaced from the balloon for insertion of a guidewire. A peelable sheath with a guidewiare lumen...
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5250069 |
Catheter equipped with expansible member and production method thereof
A catheter equipped with an expansible member for expanding a constricted portion inside a blood vessel, comprises an inner tube having a first lumen whose tip is open; an outer tube disposing...
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5201754 |
Balloon dilatation catheter with varying radiopacity
A balloon dilatation catheter, usable in percutaneous transluminal angioplasty, is formed so that portions of the catheter both distally and proximally of the balloon have varyinq degrees of...
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5176637 |
Catheter equipped with a dilation element
A catheter equipped with a dilatation element comprising, an inner tube having a first lumen open at the distal end, an outer tube which surrounds the inner tube so that a predetermined length of...
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5147302 |
Method of shaping a balloon of a balloon catheter
The balloon of an angioplasty balloon catheter is prepared for insertion through a patient's cardiovascular system by a series of steps to create three or more folded wings or flaps. The wings are...
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5141494 |
Variable wire diameter angioplasty dilatation balloon catheter
A dilatation balloon catheter is disclosed with an inelastic balloon wrapped about a smaller section of a guidewire. During introduction across a region of a stenosis, the balloon is wrapped around...
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5104376 |
Torsionally rigid balloon dilatation probe
Probe-like catheter has a small diameter and can be steered to and passed through narrow stenoses. The probe has a balloon at its distal end which is collapsible to a low profile to enable it to be...
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5102390 |
Microdilatation probe and system for performing angioplasty in highly stenosed blood vessels
A balloon angioplasty system includes a balloon dilatation catheter having an inflation and deflation lumen for the balloon and a main lumen extending the full length of the catheter to provide...
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5071429 |
Method for inserting a balloon catheter through an endoscope
A balloon catheter with an unreinforced stem collapses compactly. A method of introducing a balloon catheter into the body passage of a patient consists of loading the balloon end of the catheter...
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5066298 |
Article and method of sheathing angioplasty balloons
A pre-compressed angioplasty balloon catheter and method of manufacture wherein the balloon portion of the catheter is wrapped for storage and for minimizing its outside diameter for purpose of...
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5049131 |
Balloon catheter
A balloon catheter for the widening of passages in the body, such as blood vessels, comprises a tubular body connected at one side to the interior of a cylindrical balloon and at another side to a...
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5041125 |
Balloon catheter
A balloon catheter in which its inflatable and collapsible balloon is of larger diameter than adjacent portions of the catheter body. The balloon defines transition zones at the respective ends...
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5015230 |
Angioplasty catheter with spiral balloon
The invention provides a balloon of non-elastomeric material which is spirally wrapped onto the main body of the catheter. The catheter is inserted in this condition and on inflation, the balloon...
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5015231 |
Multipart split sleeve balloon protector for dilatation catheter
The balloon of an angioplasty dilatation balloon catheter is covered by inner and outer balloon protector sleeves. The inner balloon protector sleeve has an expansion slit to facilitate application...
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4994018 |
Intra-aortic balloon assembly
A dual tubular member intra-aortic balloon assembly (1) has an inflatable balloon (4) bonded, at its proximal end, to an outer tubular member (2), and at its distal end, to an inner tubular member...
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4964853 |
Catheter equipped with expansible member
A catheter equipped with an expansible member comprising an inner tube having a first lumen whose tip is open and a second lumen extending to the tip direction of the first lumen; an outer tube...
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4917088 |
Balloon dilation probe
Probe-like catheter has a small diameter and can be steered to and passed through narrow stenoses. The probe has a balloon at its distal end which is collapsible to a low profile to enable it to be...
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4881547 |
Angioplasty dilitation balloon catheter
A dilitation balloon catheter with an inelastic balloon disposed in a streamlined configuration having a smaller deflated cross-sectional profile than any catheter hereto available and yet a...
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4793359 |
Centering balloon structure for transluminal angioplasty catheter
Disclosed is a cylindrical balloon mounted near the distal tip of a percutaneous transluminal laser angioplasty catheter. Proximal and distal neck sections of the balloon are sealed to the catheter...
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4762130 |
Catheter with corkscrew-like balloon
A helical balloon is attached to the distal end of a catheter to serve when inflated as a therapeutic tool for the removal of blood clots and as a diagnostic tool for physical measurements and the...
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