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| Number | Title | Issue Date |
| 8182466 | Dual braided catheter shaft A dual braided catheter shaft includes a flat wire forming the inner braid, thereby potentially allowing for reduced radial thickness of the shaft. In one embodiment, the shaft (100) includes an inner polymer jacket (104), an inner braid (106) f... | 05/22/2012 |
| 8172831 | Catheter configured for incremental rotation A catheter which allows the rotational orientation of the distal end of the catheter to be adjusted in discrete intervals as the physician rotates the proximal end of the catheter. The catheter is designed to intentionally induce whipping but to limit the amount of ... | 05/08/2012 |
| 8118804 | Catheter assembly A catheter assembly comprises an outer catheter including an outer catheter body and an outer catheter hub at a proximal portion of the outer catheter body; and an inner catheter including an inner catheter body insertable in the outer catheter body, a tip at the di... | 02/21/2012 |
| 8096985 | Deflectable guide Described herein are devices and methods for guide catheters having one or more regions of increased flexibility. A flexibility region comprises one tubular segment of the guide catheter with a non-linear longitudinal seam between two non-concentric layers of materi... | 01/17/2012 |
| 8092444 | Catheter articulation segment with alternating cuts An articulation segment for a catheter includes a tube formed with a first plurality of axially aligned slits that are respectively oriented in planes perpendicular to the axis, with each slit extending azimuthally in an arc partway around the axis. The tube is also... | 01/10/2012 |
| 8088121 | Catheter A catheter enabling an increase in operability when the catheter is inserted from the outside to the inside of a body and capable of remarkably reducing the risk of damage to shafts even in an unforeseen accident without complicating steps and increasing production ... | 01/03/2012 |
| 8043279 | Catheter and medical tube A catheter includes a proximal shaft having a relatively high rigidity, a distal shaft provided on a front portion of the proximal shaft so as to be in fluid communication with proximal shaft and having a rigidity lower than that of the proximal shaft, a hub mounted... | 10/25/2011 |
| 7998132 | Adjustable stiffness catheter Medical devices such as catheters can include structure or provision that permit a physician or other health care professional to adjust the stiffness of at least a portion of the medical device. In some instances, the medical device may be adjusted prior to inserti... | 08/16/2011 |
| 7972324 | Catheter and method of manufacturing same A catheter basically has a catheter shaft in which a catheter tip of which is provided with a joint made of a material which is more flexible than the material of the catheter shaft. The joint is disposed between the distal end of the catheter shaft and the distal e... | 07/05/2011 |
| 7905877 | Double helix reinforced catheter The intravascular catheter has two segments; a proximal segment with high stiffness and a distal segment with lower stiffness. The catheter can also have an intermediate segment of lower stiffness than the proximal segment and higher stiffness than the distal segmen... | 03/15/2011 |
| 7896861 | 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 a distal tip section having a pre-shaped tip configuration that can ... | 03/01/2011 |
| 7842024 | Medical device with varying physical properties and method for forming same A medical device in which a melt processed part has different crystallized properties at different locations. The part is formed of a polymer composition by inclusion a of polymer crystallization modifier in the composition making up at least a portion of such part,... | 11/30/2010 |
| 7828790 | Selectively flexible catheter and method of use Catheter assembly including an elongate shaft comprising a thermoplastic polymer such as a thermoplastic shape memory polymer having a pre-selected glass transition temperature (Tg) and a means for heating the thermoplastic polymer, wherein the thermoplastic polymer... | 11/09/2010 |
| 7819857 | Deflectable catheter 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. The proxima... | 10/26/2010 |
| 7815628 | 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 layers varies in thickness axially along the device. ... | 10/19/2010 |
| 7815626 | Catheter with knit section A catheter section 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 includes a knit tubular member and an inner tubular liner in c... | 10/19/2010 |
| 7815627 | Catheter having plurality of stiffening members The invention includes a catheter having an elongate main body having a proximal section and a distal section. The elongate main body further includes a plurality of stiffening members disposed along the length of the elongate main body. At least one stiffening memb... | 10/19/2010 |
| 7785318 | Catheter having plurality of stiffening members The invention includes a catheter having an elongate main body having a proximal section and a distal section. The elongate main body further includes a plurality of stiffening members disposed along the length of the elongate main body. The plurality of stiffening ... | 08/31/2010 |
| 7771410 | Pipe having at least a portion with a variable flexibility Tube, in particular for the use in medical devices in the form of catheters for endoluminal operations, wherein in at least one portion of its wall there are obtained notches (either slits or grooves) such as to locally increase the flexibility of the tube. The notc... | 08/10/2010 |
| 7771411 | Methods for operating a selective stiffening catheter A method for delivering RF energy to living tissue includes the steps of extending a guidewire to a tissue treatment site in a body. A controllable stiffness catheter is provided with a stiffness device and a temperature-changing device. The stiffness device is in a... | 08/10/2010 |
| 7717899 | Inner and outer telescoping catheter delivery system A catheter assembly employs an outer catheter with a pre-formed distal end and an open lumen. An inner catheter having an open lumen and a pre-formed distal end is movably disposed within the outer catheter. Relative rotation and extension of the inner and outer cat... | 05/18/2010 |
| 7695465 | Chronic total occlusion device with variable stiffness shaft The present invention relates generally to a device for adding stiffening support to a guidewire so as to enable the guidewire or device to pass through a chronic total occlusion. A method for passing a guidewire through a chronic total occlusion is also disclosed. | 04/13/2010 |
| 7695466 | Stylet free flexible-tip epidural catheter and method of making The distal end of a flexible tip epidural catheter is stiffened by the insertion of a stress oriented plastic tubular section into the end of the interior of the catheter removed from a terminal flexible tip and then expanded into contact with the wall of the interi... | 04/13/2010 |
| 7637903 | Catheter articulation segment with alternating cuts An articulation segment for a catheter includes a tube formed with a first plurality of axially aligned slits that are respectively oriented in planes perpendicular to the axis, with each slit extending azimuthally in an arc partway around the axis. The tube is also... | 12/29/2009 |
| 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 a distal tip section having a pre-shaped tip configuration that can ... | 11/24/2009 |
| 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 bending, and has a small wall thickness. Different layers are used to ob... | 09/01/2009 |
| 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 layers varies in thickness axially along the device. ... | 01/27/2009 |
| 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 partly made from at least one material which is rigid in one state a... | 10/14/2008 |
| 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 polymeric material into a mold cavity to overmold a second component of the ... | 08/05/2008 |
| 7367967 | Catheter with sheathed hypotube A catheter assembly and method for constructing same comprises the engagement of a substantially hollow proximal tubular member, which is at least partially coated with at least one polymeric material, to a substantially distal outer tubular member. The proximal tub... | 05/06/2008 |
| 7369901 | Myocardial lead and lead system An implantable myocardial stimulation lead comprises a lead body having a distal end and a proximal end, and an electrical connector carried by the proximal end of the lead body. An electrode header carried by the distal end of the lead body has an axis and includes... | 05/06/2008 |
| 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 guide catheters, diagnostic catheters and balloon catheters with an i... | 04/08/2008 |
| 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 configured to define a mandrel lumen longitudinally along an inner su... | 04/01/2008 |
| 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 attached to the distal end of the hypotube and includes a longitudinally m... | 04/01/2008 |
| 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 lumens, an ultrasound transmission member extending longitudinally thr... | 02/26/2008 |
| 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 body segment by thermal fusion in a zone including an interface betwee... | 02/19/2008 |
| 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 section. The distal section includes a first section connected to the... | 11/13/2007 |
| 7273470 | Catheter having improved rapid exchange junction A balloon catheter, and preferably to a rapid exchange type balloon catheter, having a proximal shaft section, and a distal shaft section with an inner tubular member and an outer tubular member, the outer tubular member having a section which is bonded as by fusing... | 09/25/2007 |
| 7273056 | Optical guidance system for invasive catheter placement Light from a small laser diode is inserted in a distal end of a catheter and passed through an optical fiber that is either included in the lumen or incorporated into the wall of an invasive catheter tube during manufacture. The light is selected to be of a waveleng... | 09/25/2007 |
| 7273485 | Balloon catheter having a shaft with a variable stiffness inner tubular member A catheter having an elongated shaft and a balloon on a distal shaft section, the elongated shaft comprising an outer tubular member, and an inner tubular member which has a bonded portion along which an outer surface of the inner tubular member is bonded to an inne... | 09/25/2007 |
