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5304340 |
Method of increasing the tensile strength of a dilatation balloon
A method of making a dilatation balloon with a high percentage of the maximum tensile strength of the balloon material from a thin wall parison of a biaxially orientable polymer, such as...
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5301682 |
Method for locating a breast mass
A mass localization device includes a catheter and a needle. In one embodiment, the catheter includes inner and outer walls spaced from each other and creating a gap between the walls extending...
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5295960 |
Catheter with interior balloon
A catheter includes a body having tubular walls defining a lumen extending along an axis from the distal end of the body to a proximal end of the body. Portions of the walls define at least one...
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5286259 |
Dual-diameter multifunction catheter
A catheter (10) is disclosed having a stepped coaxial construction formed by and internal tube (12) and an external tube (14). The internal tube includes a distal pressure lumen (26), a balloon...
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5286261 |
Inflatable balloon for treatment of rental detachments
An inflatable balloon (34) for use in the treatment of retinal detachments. The balloon (34) has a hollow elliptic-shaped body (36), a solid base (38), and a solid cylindrical stem (40). The...
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5284473 |
Perfusion catheter with flow amplifier
A perfusion catheter is provided which increases the static pressure gradient across a portion of the catheter so that the flow through the catheter having the flow amplifier is greater than the...
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5273534 |
Laparoscopic T-tube, drain and securing instrument and method therefor
A combination laparoscopic T-tube, drain and balloon instrument comprises T-tube means, drain means, and balloon means and is insertable into a common bile duct and operable to evacuate fluids...
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5270086 |
Multilayer extrusion of angioplasty balloons
A method of producing laminated inflatable, substantially inextensible expander members having composite properties enhancing their use on intravascular catheters, such as angioplasty catheters is...
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5263962 |
Balloon catheter and method of using the same
A balloon catheter is provided for treatment of hypertrophy of the prostate. The balloon is formed in a non-compliant transparent plastic sleeve fitted over a transparent plastic lumen. The distal...
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5263931 |
Balloon catheter for dilating a prostatic urethra
A catheter system for dilating the prostatic urethra of a male patient. The catheter has an elongated tubular catheter body with an inner lumen extending therein, an inflatable relatively inelastic...
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5261898 |
Temporary colostomy apparatus
A temporary colostomy apparatus for diverting the fecal stream and comprising an open ended excrement tube including a fecal receiving end having a liquid inflatible balloon on the outside thereof....
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5259839 |
Balloon catheter with guidewire valve
An angioplasty balloon catheter having a balloon carried at the distal end of a catheter shaft. The catheter shaft includes an inflation lumen by which the balloon is inflated and deflated. A guide...
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5256143 |
Self-venting balloon dilatation catheter
Self-venting balloon dilatation catheter having an elongate flexible tubular member having at least one lumen therein extending longitudinally thereof. A balloon is carried by the flexible tubular...
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5254090 |
Balloon catheter having a dual layer inner member
A balloon catheter with an inner elongated member having an inner layer of a soft elastomeric polyurethane material and an outer layer of a hard plastic nylon material, which is formed by forming...
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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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5250029 |
Zero-residual zero-tip balloon catheter
A balloon type catheter used for drainage or irrigation and drainage of a body cavity such as the bladder having a tapered tip with a large elongated lateral opening spanning the approximate...
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5242374 |
Leak detector for an intra-aortic balloon pump
The invention is directed to a leak detector for an intra-aorta balloon pump which has a pressure source for pressurizing a primary fluid, a balloon filled with a secondary fluid and inflated...
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5224953 |
Method for treatment of obstructive portions of urinary passageways
A method for the treatment of an obstructive portion of a urinary passageway of a mammal, comprising the steps of providing a stent thermally self-movable between a first condition in which the...
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5221258 |
Introduction balloon catheter
Apparatus and method for delivering over-sized or large bore devices through passageways in the body. The apparatus comprises an elongated inflatable balloon havinq an inner diameter slightly...
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5213577 |
Device for examining the functions of the endothelium or the intima of blood vessels
The invention relates to a device for examining the functions of the endothelium or the intima of blood vessels. A tube (1) has at least one outlet (6) and at least one inlet (7) spaced along the...
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5213576 |
Therapeutic porous balloon catheter
A balloon catheter comprises a catheter shaft, and first and second balloons carried on the catheter shaft with the second balloon positioned to at least partly overlie and sealingly enclose the...
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5201753 |
Totally self-contained, digitally controlled, disposable syringe inflation system, and method for monitoring, displaying and recording balloon catheter inflation data
An electronically controlled syringe system for connection to a balloon catheter or other balloon-type member and for automatically monitoring, displaying and recording inflation data when the...
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5197971 |
Arthroscopic retractor and method of using the same
A retractor for use in arthroscopic surgery. The retractor has a mechanical expanding portion for expanding against sub-surface tissues when the retractor is in use. The retractor also has a...
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5196017 |
Method and apparatus for patient protection against vessel rupture from balloon-tipped catheters
A safety inflation apparatus for preventing full inflation of a catheter balloon in a small body cavity of lesser internal diameter than that of the fully-inflated catheter balloon. The apparatus...
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5190540 |
Thermal balloon angioplasty
A method for remodeling a body lumen, such as a coronary artery, having a stenosis to expand the stenosis comprising the steps of increasing the temperature of the body lumen and stenosis at the...
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5188596 |
Transparent prostate dilation balloon and scope
The present invention comprises a prostate dilation balloon disposed on a urethral catheter, a fixation balloon also disposed on said catheter, wherein said catheter is partially or completely...
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5179963 |
Percutaneous carpal tunnel plasty method
Nerve entrapment such as Carpal Tunnel Syndrome is relieved by a surgical procedure for increasing the spatial diameter of the tunnel enclosing the nerve, which involves inserting a protected...
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5178608 |
Balloon catheter with expandable inflation member
A single lumen catheter used alone or in multiples of various diameters in a coaxial disposition over a guidewire or catheter having a means to occlude the distal opening of the single lumen...
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5176698 |
Vented dilatation cathether and method for venting
A balloon dilatation catheter construction having an elongated shaft with a guide wire lumen and an inflation lumen therethrough, and a balloon member mounted on its distal end in combination with...
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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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5176638 |
Regional perfusion catheter with improved drug delivery control
A medical or biological treatment device for creating a controlled "minienvironment" and which supplies a treatment or diagnostic modality to a region of a physiologic passage, the device...
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5169386 |
Method and catheter for dilatation of the lacrimal system
A dilation catheter having an inflatable member and an element for retaining a curved shape, and a method of using same to restore patency to an obstructed portion of the lacrimal system. The...
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5163950 |
Balloon catheter and endoscope kit
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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5160321 |
Balloon catheters
Dilatation catheters for use in administering treatments to relieve stenotic regions within a body lumen are described. In one aspect of the invention, a two wire catheter system, of minimal...
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5158571 |
Tissue expander and method for expanding tissue
A tissue expander is disclosed. Extending from the outer surface of the tissue expander are a plurality of projections of specific combinations of height and width dimensions selected from the...
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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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5152776 |
Balloon inflation device
A balloon inflation device is provided by which fluid conditions, such as pressure, developed within a known angioplasy balloon may be controlled according to a predetermined pattern. Actual fluid...
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5147299 |
Device to facilitate artificial insemination of bovines and similar animals
The addition of one or more lateral ejecting holes in the end of the insemination device that is introduced into the entrance of the neck of the uterus of the cow, for depositing semen, will permit...
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5137512 |
Multisegment balloon protector for dilatation catheter
A multisegment balloon protector, includes several protectors each of which covers and tightly fits over a portion of the length of a balloon of a dilatation catheter.
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5135488 |
System and method for monitoring, displaying and recording balloon catheter inflation data
An electronically controlled syringe system for connection to a balloon catheter or other balloon-type member and for automatically monitoring, displaying and recording inflation data when the...
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5129915 |
Intragastric balloon
A balloon intended to be swallowed and to occupy a given volume of the stomach in the presence of other balloons of the same type in order to permit a weight reduction of an individual is made up...
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5116305 |
Curved intra aortic balloon with non-folding inflated balloon membrane
An intra aortic balloon pumping device comprises a pumping balloon, an attached inflation catheter, a supporting member which is disposed within and extends from the catheter into the balloon. The...
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5114423 |
Dilatation catheter assembly with heated balloon
A balloon dilatation catheter having heating elements raise the temperature of the working surface of the balloon while the balloon is being inflated during an angioplasty procedure. In one...
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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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5092348 |
Textured tissue expander
An implantable tissue expansion device with an external surface layer of silicon elastomer, at least a portion of which contains a texture or open cell sturcture. The textured surface is expected...
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5089005 |
Catheter for the introduction of an expandable member
A catheter includes a cylindrical expansion holder detachable from its distal end portion to temporarily or permanently expand and hold an inner diameter of an internal cavity of a blood vessel or...
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5087247 |
Balloon perfusion catheter
Balloon perfusion catheter having a flexible elongated shaft from which a perfusion shaft and an inflation shaft outwardly extend. An angioplasty balloon is circumferentially mounted around the...
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5084060 |
Apparatus for enlarging a vessel or clearing obstructive tissue from a vessel according to vessel compliance
An apparatus for clearing obstructive tissue from a body vessel or enlarging the lumen of the vessel comprises a balloon catheter which is insertable into the vessel of a patient to position the...
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5084061 |
Intragastric balloon with improved valve locating means
An intragastric balloon has an ellipsoid or like configuration so that the balloon implanted in the stomach tends to rotate or rock only about one axis when a surgeon attempts to manipulate the...
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5084044 |
Apparatus for endometrial ablation and method of using same
Apparatus for performing thermal ablation of the endometrium of a uterus is shown. The apparatus includes a catheter having at least one lumen. An insulating material is positioned around a...
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