Patent application number | Description | Published |
20090118701 | METHODS AND APPARATUS FOR INSERTING MULTI-LUMEN SPLIT-TIP CATHETERS INTO A BLOOD VESSEL - Methods and apparatus are disclosed for inserting flexible, multi-lumen catheters into blood vessels, and in particular, for inserting flexible, split-tip catheters into blood vessels. The invention accomplishes these objects by temporarily stiffening each catheter lumen and tip independently through use of intra-catheter stiffener elements disposed within the catheter lumens. This provides means for advancing the catheter/stiffeners assembly through a subcutaneous tunnel, and over a plurality of guidewires until a distal tip of the catheter is at a desired position within the vessel. The intra-catheter stiffener elements are sufficiently stiffening to allow advancing the catheter over guidewires, but sufficiently flexible to allow bending and looping of the catheter for proper placement within the vessel. | 05-07-2009 |
20120203206 | Methods and Apparatus for Inserting Multi-Lumen Split-Tip Catheters Into a Blood Vessel - Methods and apparatus are disclosed for inserting flexible, multi-lumen catheters into blood vessels, and in particular, for inserting flexible, split-tip catheters into blood vessels. The invention accomplishes these objects by temporarily stiffening each catheter lumen and tip independently through use of intra-catheter stiffener elements disposed within the catheter lumens. This provides means for advancing the catheter/stiffeners assembly through a subcutaneous tunnel, and over a plurality of guidewires until a distal tip of the catheter is at a desired position within the vessel. The intra-catheter stiffener elements are sufficiently stiffening to allow advancing the catheter over guidewires, but sufficiently flexible to allow bending and looping of the catheter for proper placement within the vessel. | 08-09-2012 |
20140058200 | ENDOSCOPIC CAP - An endoscope support device is provided. The device includes a sleeve extending along a longitudinal axis between a first end and a second end. The sleeve includes an inner surface defining a passageway configured for disposal of an endoscope. An end surface of the distal end is spaced from external surroundings by a wall that defines the end surface. A center piece is disposed within the passageway. The center piece includes a first end that engages the end wall and an inner surface defining a lumen configured for disposal of an optical probe. The center piece is positioned within the passageway such that the lumen of the center piece is aligned with a lumen of the endoscope and the probe extends through the lumens. Systems, kits and methods are also provided. | 02-27-2014 |
20140066708 | ENDOSCOPE CAP FOR CATHETER DEPLOYMENT - A surgical system is provided that includes a sleeve having an inner surface defining a first channel that extends along a first longitudinal axis and an inner surface defining a second channel that extends along a second longitudinal axis. The second channel is spaced apart from the first channel. A first surgical instrument is configured for disposal in the first channel. The first surgical instrument includes an optical probe configured for imaging. A second surgical instrument is configured for disposal in the second channel. The second surgical instrument includes an inflatable balloon. Methods and kits are also provided. | 03-06-2014 |
20140094839 | MECHANICAL TENSIONING DEVICE - A mechanical tensioning device includes a housing including a passageway and an opening that is in communication with the passageway. A plunger is movably disposed in the passageway. A first end of the plunger includes an inner member. A connector is coupled to the housing and includes a channel that is in communication with the passageway and a port in communication with the channel. A catheter is coupled to the connector and includes a lumen that is in communication with the channel and an expandable member. The inner member extends through the lumen and into the expandable member such that a distal end of the inner member is fixed to a distal end of the expandable member. The inner member is moveable between a first configuration in which the inner member is curved within the expandable member and a second configuration in which the inner member is less curved within the expandable member. | 04-03-2014 |
Patent application number | Description | Published |
20090204052 | MANUFACTURE OF SPLIT TIP CATHETERS - Multi-lumen catheter devices having at least one split-tipped end are disclosed, together with methods of forming such split tip catheters. In one aspect of the invention, the manufacturing methods can include the steps of: providing a catheter body having at least a first and a second internal lumen extending longitudinally through the catheter body; removing a distal portion of the catheter body to form a first distal tip segment such that the first lumen extends longitudinally within this tip segment beyond the second lumen; and joining a second lumen tip segment to the catheter body in communication with the second lumen. The second tip segment can be joined to the catheter body such that it is at least partially separated from the first tip segment and, in some embodiments, preferably diverges at an angle relative to the first tip segment. | 08-13-2009 |
20090204079 | CATHETERS WITH ENLARGED ARTERIAL LUMENS - Asymmetric lumen catheter devices are disclosed. In one aspect of the invention, a catheter assembly includes a first catheter tube having a first lumen extending longitudinally through the first catheter tube and a second catheter tube attached to the first catheter tube. The second catheter tube extends a longitudinal length beyond a distal end of the first catheter tube and has a second lumen extending longitudinally therethrough. The first lumen has a larger cross-sectional size than the second lumen. | 08-13-2009 |
20090205189 | MANUFACTURE OF FIXED TIP CATHETERS - Methods of forming catheters are disclosed, together with methods of forming fixed tip catheters. In one aspect of the invention, the manufacturing methods can include the steps of: providing first and second catheter tubes, a distal end of the first catheter tube extending a longitudinal length beyond a distal end of the second catheter tube, and attaching a flow diverting structure to an outside surface of the first catheter tube between the distal ends of the first and second catheter tubes. The flow diverting structure can be oriented on the first catheter tube to divert fluid flowing through an inner lumen of the second catheter tube. | 08-20-2009 |
20090209940 | FUSION MANUFACTURE OF MULTI-LUMEN CATHETERS - Methods of forming catheters are disclosed, together with methods of forming split tip catheters. In one aspect of the invention, the manufacturing methods can include the steps of: providing first and second catheter tubes each having a substantially D-shaped cross-section, and attaching at least a portion of longitudinal lengths of the first and second catheter tubes along flat surfaces of the first and second catheter tubes to form a dual lumen catheter assembly. The tubes can be fused along at least about 10%, preferably along at least about 50%, more preferably in some applications along at least about 70%, 80% or 90% of the longitudinal length. | 08-20-2009 |
20120310260 | IMPLANTABLE MESH PROSTHESES AND METHOD OF MANUFACTURING SAME - Implantable prostheses for reinforcing and repairing defects in a muscular or tissue wall and a method for fabricating the prostheses that minimizes wasted mesh material and reduces the labor and time required for fabrication. The prosthesis may include a plug body formed of surgical mesh material having a closed end, a larger open end, and a cavity extending therebetween, and a filler body formed of the surgical mesh material comprising a plurality of petals extending radially outwardly from and spaced laterally about a common base disposed in the plug body with the common base attached to the closed end of the plug body. The plug bodies are cut as circular pieces from a sheet of the surgical mesh material while the filler bodies are cut as a plurality of hour-glass (or dog-bone) shaped pieces with arcuate side edges, wherein the hour-glass shaped filler pieces are cut from the same sheet of material between adjacent circular plug body pieces so as to leave virtually no wasted mesh material. The filler pieces may be attached to the plug body piece by welding. | 12-06-2012 |
20130253445 | Manufacture of Split Tip Catheters - Multi-lumen catheter devices having at least one split-tipped end are disclosed, together with methods of forming such split tip catheters. In one aspect of the invention, the manufacturing methods can include the steps of: providing a catheter body having at least a first and a second internal lumen extending longitudinally through the catheter body; removing a distal portion of the catheter body to form a first distal tip segment such that the first lumen extends longitudinally within this tip segment beyond the second lumen; and joining a second lumen tip segment to the catheter body in communication with the second lumen. The second tip segment can be joined to the catheter body such that it is at least partially separated from the first tip segment and, in some embodiments, preferably diverges at an angle relative to the first tip segment. | 09-26-2013 |
20140025096 | IMPLANTABLE MESH PROSTHESES AND METHOD OF MANUFACTURING SAME - Implantable prostheses for reinforcing and repairing defects in a muscular or tissue wall and a method for fabricating the prostheses that minimizes wasted mesh material and reduces the labor and time required for fabrication. The prosthesis may include a plug body formed of surgical mesh material having a closed end, a larger open end, and a cavity extending therebetween, and a filler body formed of the surgical mesh material comprising a plurality of petals extending radially outwardly from and spaced laterally about a common base disposed in the plug body with the common base attached to the closed end of the plug body. The plug bodies are cut as circular pieces, and the filler bodies are cut as hour-glass shaped pieces from the same sheet of material so as to leave virtually no wasted mesh material. The filler pieces may be attached to the plug body piece by welding. | 01-23-2014 |
20140088510 | Methods and Apparatus for Inserting Multi-Lumen Split-Tip Catheters Into a Blood Vessel - A catheter assembly includes a catheter, a first intra-catheter stiffener element, and a second intra-catheter stiffener element. The catheter includes a first lumen in fluid communication with a first distal opening and a second lumen in fluid communication with a second distal opening. The first intra-catheter stiffener element is configured for disposition through the first lumen such that a distal end thereof extends distally of the first distal opening, the first intra-catheter stiffener element including a first coupler at a proximal end thereof. The second intra-catheter stiffener element is configured for disposition through the second lumen such that a distal end thereof extends distally of the second distal opening, the second intra-catheter stiffener element including a second coupler at a proximal end thereof. | 03-27-2014 |