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| Number | Title | Issue Date |
| 6733486 | 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 configured to define a mandrel lumen longitudinally along an inner su... | 05/11/2004 |
| 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 distal end of the catheter. An administering tip is disposed at the dis... | 04/20/2004 |
| 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. An elongate support member, comprising a proximal end, a distal end, i... | 04/13/2004 |
| 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 stiffness along the catheter length. The balloon catheters o... | 03/09/2004 |
| 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 includes a cotapered transition section having a first lay... | 12/16/2003 |
| 6659977 | 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 adhesive anchorage for the layers.... | 12/09/2003 |
| 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 lumen receives a torque enhancing mandrel that adds stiffne... | 11/25/2003 |
| 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 decreases the stiffness of the metallic tube. A proximal ... | 11/25/2003 |
| 6648874 | Guide catheter with lubricious inner liner A catheter shaft is disclosed utilizing perfluoroalkoxy polytetrafluoroethylene (PFA) as a lubricious inner lumen for which to aid the advancement of additional medical devices. PFA possesses adequate lubricity while requiring no special fabricating techn... | 11/18/2003 |
| 6635047 | Integrated polymer and braid for intravascular catheters An intravascular catheter including a reinforcement layer having a plurality of interwoven metal wire members and polymer members. The polymer members are thermally processed to permeate the metal wire members to form a polymeric layer having an orientati... | 10/21/2003 |
| 6626876 | Method and apparatus for self-draining of urine A device for the drainage of the bladder through the body's own urethra opening outside of the human body, comprising a tube-shaped body (10). The tube-shaped body is comprised: to assume a first contracted position and for taken up within the bladder as ... | 09/30/2003 |
| 6626859 | High performance cannulas A cannula having a proximal end, a distal end, and a lumen extending between the proximal and distal ends is provided. The diameter of the lumen of the cannula can be varied to take into account differences in the diameter of access and target vessels dur... | 09/30/2003 |
| 6602207 | Guide wire stiffness transition element Disclosed is a guide wire having a coil surrounding a core of the guide wire and a stiffness transition element. The stiffness transition element is configured to provide a smooth stiffness transition from the distal end of the guide wire to the coil and/... | 08/05/2003 |
| 6595966 | High flow rate dialysis catheters and related methods High flow rate catheters, and related methods, are useful in dialysis and other procedures. A catheter according to the invention comprises a hub and a generally elongated conduit. The conduit has a substantially continuous and smooth wall. The conduit al... | 07/22/2003 |
| 6595952 | Guide catheter with backup support system An intravascular catheter (e.g. guide or diagnostic catheter) that includes a specially designed distal tip to provide enhanced back-up support. The distal tip (e.g., distal 2 cm of the shaft) has a lateral extent or profile (e.g., wave shape) that is lar... | 07/22/2003 |
| 6592570 | Superelastic guiding member An improved guiding member for use within a body lumen having a unique combination of superelastic characteristics. The superelastic alloy material has a composition consisting of about 30% to about 52% (atomic) titanium, and about 38% to 52% nickel and m... | 07/15/2003 |
| 6589227 | 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 row (A) of wires (5), provided with a sealing coating (14) on the insid... | 07/08/2003 |
| 6585719 | 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. An elongate support member comprising a proximal end and a ... | 07/01/2003 |
| 6579277 | Variable stiffness medical device A medical device such as an endoscope has an elongated flexible sheath. A first sleeve has a passage there through which snugly receives the sheath, the first sheath being slide-able from its proximal end to its distal end. The sleeve is a thin-walled tub... | 06/17/2003 |
| 6575958 | Catheter with improved transition The invention is generally directed to an intraluminal catheter system with an improved transition between a proximal shaft portion and a more flexible distal shaft portion. The improvement provides enhanced flexibility and kink-resistance, thus, facilita... | 06/10/2003 |
| 6575934 | Low profile catheter The invention is directed to an intravascular balloon catheter and a method for forming the same. The catheter includes an elongated shaft having proximal and distal ends, a guidewire receiving lumen extending through at least a distal portion of the elon... | 06/10/2003 |
| 6558368 | Preformed coronary artery guide catheter A catheter having an elongate body including a central lumen adapted to slidably receive a therapeutic catheter. The catheter includes a soft tip adapted to lodge in the ostium of the right coronary artery. The elongate body is formed near the distal end ... | 05/06/2003 |
| 6551269 | Introducer catheter lead delivery device with collapsible stylet lumen An introducer catheter used to deliver an endocardial cardiac electrode has a stylet lumen which collapses upon removal of the stylet to allow for more clearance for the lead and connector to pass when the catheter is removed after lead placement. The col... | 04/22/2003 |
| 6533751 | Micro catheter and guidewire system having improved pushability and control A micro catheter and guidewire system for use in tortuous regions of a vasculature includes a catheter body having a distal end, a guidewire lumen, a proximal region with an outer diameter, and a distal region with an outer diameter. The ratio of the prox... | 03/18/2003 |
| 6533770 | Cannula and method of manufacture and use A cannula having reinforced sections and nonreinforced sections, the nonreinforced sections having openings communicating with the lumen of the cannula. The nonreinforced sections are plain tubing and the reinforced sections are formed by winding a coated... | 03/18/2003 |
| 6524303 | Variable stiffness magnetic catheter A steerable magnetic catheter having a proximal end, a distal end, and a lumen therebetween. The catheter has regions of different flexibility along its length. There is a magnetic body adjacent the distal end, which is responsive to an applied magnetic f... | 02/25/2003 |
| 6524302 | Multi-lumen catheter A multi-lumen catheter and method of manufacturing such a multi-lumen catheter having a plurality of individual catheter tubes. Each catheter tube has an outer surface, an inner surface and a lumen. The catheter tubes can be made of different thermoplasti... | 02/25/2003 |
| 6511462 | Catheter and method of manufacturing the same A first linear member made of a first resin material having a relatively high rigidity is wound in a dense spiral in a first region and in a sparse spiral in a second region of a base tube for a catheter, and a second linear member made of a second resin ... | 01/28/2003 |
| 6508805 | Intravascular catheter with composite reinforcement An intravascular catheter that exhibits the combined features of superior flexibility, softness, radiopacity and oval/kink resistance. The catheter includes an elongate shaft having a proximal region, a distal region and a lumen extending therethrough. Th... | 01/21/2003 |
| 6503244 | High pressure injection system A catheter and system for delivering viscous fluid, under high pressures, into the vasculature of a patient includes a catheter body having a proximal end and a distal end, a reinforcing member surrounding at least a portion of the proximal end, and a com... | 01/07/2003 |
| 6503353 | Method for making a catheter An intravascular catheter (10,110) having an elongated tubular body with a proximal portion, a distal portion and a lumen extending therebetween. The tubular body is formed with polymeric materials, preferably containing no radiopaque filler, and metallic... | 01/07/2003 |
| 6475209 | 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 and increasing kink resistance. The transition member has a... | 11/05/2002 |
| 6436090 | Multi lumen catheter shaft The invention is generally directed to an intraluminal catheter systems including an elongated shaft having proximal and distal shaft sections, and an inflatable member disposed on the distal shaft section and having an interior chamber. A guidewire recei... | 08/20/2002 |
| 6428566 | Flexible hoop and link sheath for a stent delivery system A delivery sheath including a series of longitudinally spaced apart retainer rings interconnected by flexible links. This configuration provides for sections of reduced cross-sectional area along the length of the sheath, thus increasing flexibility in th... | 08/06/2002 |
| 6390993 | Guidewire having linear change in stiffness The invention is directed to a guidewire having a distal section with multiple distally tapered core segments with at least two contiguous distally tapering core segments in which the most distal tapered core segment preferably has a greater degree of tap... | 05/21/2002 |
| 6374476 | Method for making a catheter tip section A deflectable catheter comprises a catheter body, a tip section, and a control handle for affecting deflection of the tip section. The tip section comprises a flexible tubing having proximal and distal ends and at least two lumens extending therethrough. ... | 04/23/2002 |
| 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 comprises a relatively stiff proximal section and a relativ... | 04/09/2002 |
| 6355027 | Flexible microcatheter Flexible microcatheter having regions of different flexibility integrally and strategically placed along and about the length of a one-piece composite catheter tube. Distally the flexible microcatheter exhibits pronounced flexibility with respect to locat... | 03/12/2002 |
| 6328731 | Treating instrument for endoscope A treating instrument for an endoscope has a flexible sheath and an operating part connected to the proximal end of the flexible sheath. A first buckling preventing member formed from a flexible cylindrical material covers a proximal end portion of the fl... | 12/11/2001 |
| 6319244 | Catheter with flexible and rigid reinforcements A catheter (10, 38, 40, 50, 80, 90) having both a flexible (30) and a rigid reinforcement section (36). The catheter body (12) is comprised of an elastomeric material, such as silicone, having a resilient coil or spring member (30) within a fluid delivery... | 11/20/2001 |
