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7621904 |
Catheter with a pre-shaped distal tip
Catheters having a pre-shaped tip configuration are disclosed. A catheter in accordance with an illustrative embodiment of the present invention can include an elongated tubular shaft equipped with...
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7608056 |
Steerable catheter devices and methods of articulating catheter devices
Steerable catheter devices are provided having a proximal first end portion, an elongate intermediate portion, and a distal flexible second end portion defining a longitudinal axis, and at least...
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7595082 |
Wire guide
A wire guide includes a mandrel that has a proximal portion and a distal portion. A first coating with a low coefficient of friction is disposed on the proximal portion of the mandrel. A second...
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7582079 |
Composite flexible tube for medical applications
A flexible composite tube for medical applications is described. The tube has the ability to transmit a torque and to resist compression, tension, and kinking. The tube is also very flexible in...
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7578787 |
Catheter device
Catheter device, comprising a catheter ( 2 ) for introduction into a hollow organ, especially a vessel, with a number of bending elements ( 12, 12 a - 12 f, 12 a ′- 12 e ′) arranged around the...
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7569046 |
Guide-in-guide catheter system
A multiple catheter system is described. In one embodiment a medical catheter system includes a first catheter having an entrance orifice, an exit orifice, a channel connecting the entrance orifice...
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7566316 |
Dialysis catheter
A dialysis catheter comprising a first portion having a first dianeter, an elongated distal portion having a second diameter smaller than the first diameter, and a transition region between the...
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7507229 |
Wire braid-reinforced microcatheter
This invention is directed to a multi-layer catheter for navigation to remote locations within the body, comprising a liner layer, a braid layer and an outer jacket. The catheter provides a high...
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7485108 |
Multilayer interventional catheter
The catheter comprises a catheter tube formed of two superposed tubular layers of materials which differ from one another. A tubular mediator layer is arranged between the layers to provide an...
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7481804 |
Multilayer medical devices
A medical device includes at least four layers including a first material and a second material having a different stiffness than a stiffness of the first material, wherein at least one of the...
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7435240 |
Flexible injection needle
An injection needle, for injection into a body tissue, is flexible in the introduced or post-inserted state and comprises a channel for the introduction of a fluid. The injection needle is at least...
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7407498 |
Construction of medical components using gas assisted microcellular foaming
A method of forming a medical device or components thereof, including the steps of providing a first component of said medical device which is formed a first material and providing a second...
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7354430 |
Catheter incorporating a curable polymer layer to control flexibility
The present invention relates generally to catheters for performing medical procedures including percutaneous transluminal coronary angioplasty. More particularly, the present invention relates to...
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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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7351238 |
Catheter having a reinforcing mandrel
A catheter having a mandrel secured to the catheter or constrained within a dedicated lumen. In one embodiment, the catheter has an inner tubular member and an outer tubular member with a sidewall...
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7335180 |
Steerable ultrasound catheter
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Ultrasound catheter devices generally include an elongate flexible catheter body with one or more...
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7331948 |
Catheter and catheter fabrication method
A catheter is fabricated by joining a first catheter body segment, the first segment including a braided or coiled filament reinforcing layer contained within an outer layer, to a second catheter...
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7294124 |
Hypotube with improved strain relief
A hypotube for an intravenous catheter device is disclosed which includes a tubular shaft having a tubular wall defining a lumen. The shaft includes a main section integrally connected to a distal...
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7273487 |
Balloon catheter having a multilayered shaft with variable flexibility
A balloon catheter having a multilayered shaft with variable flexibility along the length of the shaft. In a presently preferred embodiment, the multilayered shaft has a multilayered outer tubular...
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7207980 |
Composite ophthalmic microcannula
Microcannulae are constructed with multiple components in a composite design, allowing the microcannulae to have varying mechanical and delivery properties that will enable ophthalmic treatments by...
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7179291 |
Method and apparatus for improving mitral valve function
A method and apparatus for reducing mitral regurgitation. The apparatus is inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the apparatus...
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7172587 |
Catheter having selectively varied lamination
A tubular medical catheter having a least one region of selectively varied lamination is provided herein.
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7166100 |
Balloon catheter shaft design
A balloon catheter for medical treatment of a patient, including therapeutic dilatation or deployment of medical devices such as stents or grafts. The balloon catheter has an “over-the-wire...
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7163523 |
Balloon catheter
A catheter, for example, a balloon catheter has a first and second section and a transition between the sections. The sections and the transition are arranged to enhance catheter deliverability.
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7147627 |
Bowel management system
A bowel management system includes a waste collection catheter having at least two distinct sections. The first section is patient proximal when disposed in the patient's rectum and has durometer...
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7128956 |
Catheter having improved curve retention
The present invention provides a polymeric treatment for curved regions in shaft assemblies that increases curve retention without affecting the flexibility within these regions. More specifically,...
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7115183 |
Catheter with spiral cut transition member
A spiral cut transition member is disclosed for controlling the transition in stiffness of a catheter from a stiffer more pushable proximal section to a more flexible and trackable distal section...
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7115134 |
Catheter with flexible tip and shape retention
An improved apparatus and method to catheterize passages is disclosed. The present invention provides a catheter having a soft flexible pre-formed distal tip, that when used in combination with...
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7104979 |
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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7037295 |
Co-extruded taper shaft
An apparatus and method for providing a co-extruded, tapered multi-layer shaft. A co-extruded, tapered multi-layer shaft may be fabricated by selecting a first material for the inner layer of the...
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7029468 |
Catheter assembly with side wall exit lumen and method therefor
A catheter assembly includes a catheter body that extends from a distal end to a proximal end. The catheter body includes a delivery lumen, and an actuator lumen, where the actuator lumen extends...
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7029467 |
Multiple lumen catheter having a soft tip
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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7025758 |
Endovascular medical device with plurality of wires
An endovascular device ( 1, 100, 200, 300 ) having a distal end ( 2 ), a proximal end ( 4 ) and a body portion ( 3 ) therebetween. The body portion is made of a multiple filament helically wound...
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7011647 |
Introducer sheath
A variety of devices for use in accessing the subarachnoid space are described. In several embodiments an introducer sheath is disclosed having three main sections, a distal portion, an...
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6936041 |
Reinforced venous drainage catheter
A venous catheter comprises a flexible plastic tubular body having a center lumen. A plurality of drainage openings are formed in a reinforced opening-containing section of the body. Reinforcement...
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6929635 |
Reinforced multi-lumen medical shaft
A medical shaft or tubing includes an elongate tubular member having a proximal end and a distal end. The shaft also includes a tubular wall extending between the proximal and distal ends to define...
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6926669 |
Heart wall ablation/mapping catheter and method
Steerable electrophysiology catheters for use in mapping and/or ablation of accessory pathways in myocardial tissue of the heart wall and methods of use thereof are disclosed. The catheter...
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6893427 |
Catheter with thermoresponsive distal tip portion
The catheter assembly comprises a tubular body having a proximal end and a distal end and a thermoresponsive distal tip portion fixed to the distal end of the catheter.
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6887229 |
Method and apparatus for insertion of elongate instruments within a body cavity
A sheath is composed of a biocompatible material which has a stiffness and moldability such that it can easily be deformed by hand by the physician prior to implantation, or by means of a guiding...
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6881209 |
Medical device including unitary, continuous portion of varying durometer
A medical device ( 110 ) including a catheter shaft ( 111 ) and a unitarily and continuously formed portion ( 108 ) having a varying durometer, and optionally including an expandable balloon ( 18,...
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6858024 |
Guide catheter having selected flexural modulus segments
A guiding catheter for use in coronary angioplasty and other cardiovascular interventions which incorporates a plurality of segment of selected flexural modulus in the shaft of the device. The...
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6855137 |
Catheter shaft with coextruded stiffener
A steerable catheter having a shaft with one or more internal stiffeners coextruded within the shaft along a portion of its length. The internal stiffeners have a higher or lower hardness than the...
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6855124 |
Flexible polymer needle catheter
A catheter device having an elongated tubular member with a proximal end and a distal end, and a needle disposed near the distal end. In one embodiment, the needle has a rigid, penetrating tip...
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6749560 |
Endoscope shaft with slotted tube
An endoscope comprising a control section and a shaft extending from the control section. The shaft has a frame with a one-piece tube along a majority of a length of the shaft. The tube comprises a...
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6723081 |
Catheter system for the delivery of a low volume liquid bolus
A catheter system includes a catheter having a proximal end, a distal end, and a lumen extending therein. An elongate mender slidably disposed in the lumen has a distal end located proximate the...
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6719748 |
Low profile metal/polymer tubes
The present invention relates generally to elongate support members, preferably for use with a catheter for performing medical procedures including percutaneous transluminal coronary angioplasty....
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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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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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6652508 |
Intravascular microcatheter having hypotube proximal shaft with transition
An intravascular catheter including a proximal stiff metallic tube and a distal flexible tube. A distal portion of the metallic tube has a portion removed to define a void (e.g., spiral slot) which...
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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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