| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 604529000 | Including radiopaque or electromagnetic marker | 46 |
| 20080228170 | Vascular Fluoroscopic Marker - A radiopaque marker configured for being securing to a tubular member adapted for introduction into a patient and having relief sections to provide localized accommodation of diametrical-circumferential dimensional reduction. | 09-18-2008 |
| 20080228171 | Endovascular devices and methods for exploiting intramural space - Devices and methods for exploiting intramural (e.g., subintimal) space of a vascular wall to facilitate the treatment of vascular disease, particularly total occlusions. For example, the devices and methods disclosed herein may be used to visually define the vessel wall boundary, protect the vessel wall boundary from perforation, bypass an occlusion, and/or remove an occlusion. | 09-18-2008 |
| 20080234662 | Constructive Disposal Placed in Artifon Catheter Applied in Perforations Above the Papillae in Fistula-Papillotomy - Constructive disposal placed in artifon catheter applied in perforations above the papillae in fistula-papillotomy, where the procedure known as Endoscopic Retrograde Cholangiopancreatography (ERPC) is characterized by the combination of instrumental transpapillary access and the obtaining of contrasting images through pancreatic bile, a result obtained through the use of the artifon catheter device (A) claimed herein, which regards a perforation catheter above the papilla in fistula-papillotomy, to obtain access to biliary passages, making way for an alternative to known surgical techniques, this artifon catheter device (A) presenting a constructive concept composed of a Y connector component ( | 09-25-2008 |
| 20080262473 | Locating a Catheter Tip Using a Tracked Guide - A method of determining a position of a second object which travels along a first object. The method comprising determining a position for a first object; determining a linear displacement of a second object relative to the first object; and ascertaining a position of said second object based upon said relative linear displacement and said position of said first object. | 10-23-2008 |
| 20080262474 | MEDICAL DEVICE - Medical devices and methods for making and using the same. An example medical device may include an elongate shaft having a proximal region and a distal region. A tubular member may be disposed over the distal region of the shaft. The tubular member may have an outer surface and may have a plurality of slots formed therein. A coil may be disposed adjacent the tubular member. | 10-23-2008 |
| 20080269721 | INTERVENTIONAL MEDICAL DEVICE SYSTEM HAVING A SPIRAL SECTION AND RADIOPAQUE MARKER AND METHOD OF MAKING THE SAME - A system is provided that includes an elongated introducer navigable through body vessels of a human subject and a pusher component for incorporation within the introducer. The pusher component includes a tubular portion with a spiral ribbon. A radiopaque marker is secured to at least a portion of the spiral ribbon such that an outer surface of the radiopaque marker is substantially flush with an outer surface of the tubular portion immediately proximal and/or immediately distal the radiopaque marker. According to a method of manufacturing such a component, the spiral ribbon is formed by a spiral cutting operation and a pre-assembly radiopaque marker member is crimped onto the spiral ribbon. According to another method of manufacturing such a component, the spiral ribbon is formed by winding a filament and a pre-assembly radiopaque marker member is crimped onto the spiral ribbon. | 10-30-2008 |
| 20090005758 | GUIDE CATHETER - An elongated sheath of a guide catheter includes a fully radiopaque and echogenic distal tip having a length greater than approximately 0.08 inch. | 01-01-2009 |
| 20090018529 | Delivery system for percutaneous placement of a medical device and method of use thereof - A delivery system for implanting a medical device into the body of a patient or subject and a method of use thereof. The delivery system includes a delivery catheter having a catheter lumen and an inner member extending therethrough. The inner member includes a distal tip portion, a proximal portion, and an intermediate portion, the intermediate portion being disposed adjacent to the distal end of the delivery catheter. A first sealing member, positioned near a distal end of the proximal portion, forms a fluid seal between the inner member and an inside surface of the delivery catheter. A second sealing member, positioned near a proximal end of the distal tip portion, forms a fluid seal between the inner member and an inside surface of the delivery catheter. The intermediate portion extends between the first seal and the second seal. In one embodiment, a medical device and a hydrating fluid are present in a device-containing region between the intermediate portion and the delivery catheter. | 01-15-2009 |
| 20090076484 | Therapeutic Catheter - The therapeutic catheter comprises a lumen communicating from the user's side end to the terminal tip part thereof, a main shaft having, at its tip, a guide wire lumen, a hub at its user's side end, and a slit in the guide wire lumen through its entire length, or the therapeutic catheter comprises a main shaft having a lumen communicating from the user's side end to the terminal tip part thereof, a guide wire shaft having, at its tip, a guide wire lumen, a hub at the user's side end of the main shaft, and a slit in the guide wire shaft through its entire length. The guide wire or the shaft of the other catheter playing the role of the guide wire can be rapidly disposed in the guide wire lumen through the slit. | 03-19-2009 |
| 20090131914 | PUSH BUTTON PULL BACK DEVICE - A site marker deployment device includes a housing defining a first portion, an outer cannula at least partially interposed within the first portion and having a proximal end and a distal end defined by an outer cannula aperture, an inner member at least partially interposed within the outer cannula, a first biasing portion, a second biasing portion, wherein the second biasing portion will selectively urge the outer cannula to move proximally relative to the inner member, and a site marker selectively disposed within the outer cannula adjacent the inner member, near the distal end of the outer cannula. The first biasing portion will selectively urge a site marker at least partially within the outer cannula. | 05-21-2009 |
| 20090171321 | REDUCED RADIATION FLUOROSCOPIC SYSTEM - An imaging system includes a display, an x-ray based image acquisition device, a workstation, and a medical device, e.g., a catheter. The image acquisition device is configured to obtain real-time two-dimensional images of a portion of a patient's body that is disposed within the field of view of the image acquisition device. The workstation is configured to integrate and register a three-dimensional model of an anatomic structure with the two-dimensional image, and to provide the display with a real-time image of the integrated image. The catheter includes a distal portion that comprises a radiopaque material. The image acquisition device is further adapted to apply radiation at a first dosage rate that is below a second dosage rate sufficient to detect anatomic structures. | 07-02-2009 |
| 20090187164 | Nasogastric tube placement and monitoring system - A nasogastric tube placement and monitoring system is provided including a flexible nasogastric tube and numerous circuits that can be used alone or in combination. The circuits include a feedback initiator, a feedback receiver, and a clinician notifying device. By various means in the provided circuits, the feedback initiator provides information about the location of the distal end of the nasogastric tube. This information or data is received and analyzed by the feedback receiver that monitors the circuit, which then transmits an output to the clinician notifying device to alert or advise the attending clinician of this information. The data that is output supplies information about the location of the tube's distal end to the clinician, thereby assisting the clinician in placement of the nasogastric tube during intubation, as well as in monitoring proper tube placement after placement. | 07-23-2009 |
| 20090209944 | COMPONENT OF AN IMPLANTABLE MEDICAL DEVICE COMPRISING AN OXIDE DISPERSION STRENGTHENED (ODS) METAL ALLOY - An implantable medical device includes, according to one embodiment, at least one radiopaque and MRI-compatible component comprising an oxide dispersion strengthened metal alloy, where the oxide dispersion strengthened metal alloy has a volume magnetic susceptibility of no greater than about 100×10 | 08-20-2009 |
| 20090287189 | OPTIMAL RADIOPAQUE CATHETER - A vascular catheter embedded with a radiopaque material providing a distinct, non-physiological pattern that may be easily detected on a radiograph. The radiopaque material may be embedded within the wall of the catheter in an open wound, helical formation. Detection of the catheter by x-ray is increased due to the non-physiological radiograph pattern and due to the increased presence of the radiopaque material. The non-physiological formation increases the radiopacity of the catheter, yet requires less radiopaque material than traditional radiopaque catheters. The non-physiological formation and decreased amount of radiopaque material provides for a more detectible and less rigid catheter that is resistant to kinks and occlusions. | 11-19-2009 |
| 20090312747 | Wire Guide Having Variable Flexibility and Method of Use Thereof - The present invention generally relates to a medical surgical device and specifically a wire guide for percutaneous placement within a body cavity. The flexibility of the wire guide may be varied while it is in place within the body vessel. | 12-17-2009 |
| 20090318895 | FLEXIBLE AND PLASTIC RADIOPAQUE LAMINATE COMPOSITION - A flexible laminate composition and methods for manufacturing same are provided. The flexible laminate composition includes one or more discrete and separate layers of a radiopaque material wherein the radiopaque layer is applied via a solvent to a layer that is composed of a plastic material. The laminate composition can be formed into a radiopaque marker band that can be used with a medical device, such as a catheter, for radiographic imaging. The laminate composition as an alternative can also be utilized to form the catheter or other suitable medical device. | 12-24-2009 |
| 20100010476 | Fiber based medical devices and aspiration catheters - Systems for less invasive medical procedures comprise a filter device mounted on an integrated guiding structure and an aspiration catheter. These components can be used together or separately, and the system can be used with other medical devices that are designed for less invasive procedures, such as procedures in a patient's vasculature. The filter device can involve improved torque coupling with a torque coupler associated with a resilient member that correspondingly also provides increased flexibility relative to an overtube that forms a tube for the remaining portions of the device. An actuation tool for the filter device used a systematic loading procedure for proper loading of the corewire and overtube into the actuation tool. A fiber cartridge comprises fibers loaded as a bundle into the cartridge for delivery with the ends of the fibers respectively bonded to radiopaque markers that can be visualized to come together when the filter is properly deployed. The aspiration catheter generally has a rapid exchange format. The catheter can have a radiopaque band that is held in place under metal wire embedded within the polymer forming the tube of the catheter. In some embodiments, the aspiration catheter has a small diameter distal portion that can access into small diameter vessels in which the distal portion has a smaller average diameter than the remaining tube of the catheter. | 01-14-2010 |
| 20100076407 | CATHETERS FOR USE IN THE SUBARACHNOID SPACE AND THE LIKE - A catheter including an abutment located within the catheter body lumen. | 03-25-2010 |
| 20100076408 | DEFLECTING GUIDE CATHETER FOR USE IN A MINIMALLY INVASIVE MEDICAL PROCEDURE FOR THE TREATMENT OF MITRAL VALVE REGURGITATION - A deflecting guide catheter for use in minimally invasive medical procedures such as the treatment of mitral valve regurgitation by reshaping the mitral valve annulus using one or more plications of annular or adjacent tissue each fixed by a retainer is described. The catheter includes an elongated tubular portion having various durometers along its length and at least one puller wire attached to an anchor band near the distal end. The deflecting guide catheter is used to provide a means for guiding a plication device or other medical instrument into a desired position within the vasculature or heart chambers of a patient. | 03-25-2010 |
| 20100082014 | GUIDEWIRE REPLACEMENT DEVICE - A guidewire exchange device is configured to exchange a guidewire associated with a guidewire port in a medical device. The guidewire exchange device is further configured to interface with the medical device at the guidewire port, remove the guidewire from the medical device, and insert a replacement guidewire. | 04-01-2010 |
| 20100130962 | MEDICAL DEVICES WITH ENCAPSULATED VISIBILITY PARTICLES - The preparation and use of medical devices having radiopaque and echogenic materials including coated tungsten and/or tungsten carbide particles are disclosed herein. | 05-27-2010 |
| 20100130963 | MEDICAL DEVICES WITH DUAL MODALITY VISIBLE SEGMENTS - The preparation and use of medical devices having an outer layer over a visibility material-loaded inner layer is disclosed herein. | 05-27-2010 |
| 20100179513 | Apparatus, System, and Method for Providing a Catheter - An apparatus is provided and, in one example embodiment, includes a catheter coupled to a channel. The catheter includes a first set of holes in which materials may pass. The channel defines a pathway that extends along a portion of the catheter. The channel can interface with a second set of holes that are different from the first set of holes and access to the channel occurs via the second set of holes and not the first set of holes. The channel receives a substance that is delivered to an area close to or at the area in which the channel resides and the substance is delivered via the second set of holes. In more specific embodiments, the catheter includes a distal end that is rounded. In still other embodiments, the second set of holes are spaced equidistant from one another, and the channel interfaces with a syringe that delivers the substance. | 07-15-2010 |
| 20110060316 | Tipped Ribbon Integrated Guidewire - A guidewire having a longitudinal axis includes an inner ribbon coil wound in a first direction, an outer ribbon coil wound in a second direction opposite the first direction wherein the inner ribbon coil is coaxially arranged within the outer ribbon coil and configured to prevent the inner ribbon coil from interlocking with the outer ribbon coil, and a plurality of connection points along the longitudinal axis of the guidewire wherein the plurality of connection points affixes the inner ribbon coil to the outer ribbon coil. | 03-10-2011 |
| 20110160705 | GUIDEWIRE - An object of the present invention is to provide a guidewire having high safety and improved flexibility and rotation followability. This guidewire has an inner coil that surrounds a distal side portion of a core shaft, and an outer coil that surrounds the inner coil and the distal side portion of the core shaft. A front end of the outer coil and a front end of the inner coil are joined to a tip of the core shaft by a tip plug. Further, the guidewire has a coil joint that joins only the outer coil and the inner coil to each other. With this configuration, the flexibility of the inner coil is maintained. Moreover, rotation of a proximal side of the guidewire is transmitted to the inner coil not only from the core shaft but also from the outer coil. This leads to improvement in rotation followability. | 06-30-2011 |
| 20110172644 | MULTI LAYER COEXTRUDED CATHETER SHAFT - A central venous catheter is provided having an outer tubular member and an inner tubular member that are preferably formed as a single integrated tube containing polymer material of different durometer and varying amounts of radiopaque filler material. The polymer durometer of the inner tubular member is higher than the polymer durometer of the outer tubular member. The percentage by weight of the filler material contained in the inner tubular member is higher than that of the outer tubular member. The combination of the higher durometer inner tubular member and the lower durometer outer tubular member along the length of the tube provides the desired tensile strength, hardness, chemical resistance and fatigue resistance and at the same time provides the desired flexibility and radiopacity. | 07-14-2011 |
| 20110230862 | GUIDE WIRE WITH STRANDED TIP - A guide wire comprising an elongate, flexible core having a proximal region, a proximal end, a distal region, and a distal end; and a plurality of wire strands wrapped helically parallel to one another and disposed on at least a portion of the distal region of the core. | 09-22-2011 |
| 20120089128 | Anti-Migration Trans-Gastric Jejunal Feeding Tube - The present disclosure describes a trans-gastric jejunal tube (TJ) that avoids migration of the tube upwardly into the stomach. It does this because of alternating stiff and flexible sections. The stiffer sections resist migration and the more flexible or softer portions allow the tube to bend around the pyloris sphincter and into the jejunum. This also allows for a larger diameter feeding lumen than would otherwise be the case. | 04-12-2012 |
| 20120203207 | GUIDEWIRES AND METHODS FOR MAKING AND USING THE SAME - Medical devices and methods for making and using the same are disclosed. An example medical device may include a guidewire. The guidewire may include a core wire having a distal portion. A tubular member may be disposed over the distal portion. The tubular member may have a plurality of slots formed therein. A polymeric member may be disposed along an outer surface of the tubular member. The polymeric member may have an uneven outer surface. | 08-09-2012 |
| 20120232528 | DELIVERY SYSTEM WITH INCREMENTAL MARKERS - The present invention is a catheter or catheter delivery system that incorporates a series of radiopaque markers at discrete, intervals corresponding to units of measurement, such as millimeters, such that structures and blockages within a body lumen can be measured in vitro using the catheter under fluoroscopy. The apparatus and method avoids estimation errors by directly measuring the designated lesion, allowing for improved selection of stents and balloons. | 09-13-2012 |
| 20130012925 | Steerable Delivery Catheter - A steerable delivery catheter includes an outer sheath with a housing disposed at a distal end thereof to define a chamber for a medical device, the chamber having an open distal end and a proximal inner shelf. An inner shaft is slidably disposed within the sheath and has an abutment attached to the distal end of the shaft, the abutment being slidably contained within the chamber. During navigation of the catheter, when the inner shaft is tensioned the abutment engages the shelf to apply a compressive force to the sheath to selectively deflect a distal region of the catheter. When the catheter has been navigated to the deployment site the sheath is withdrawn while the abutment maintains the medical device in place as it is deployed. A delivery method also is disclosed. | 01-10-2013 |
| 20130158517 | SURFACE MODIFICATION FOR DIALYSIS CATHETERS - Catheters and a method of preparation thereof, the catheter comprising a catheter body, a juncture hub, extension lines and connectors, the catheter body having a proximal end, a distal end, an exterior surface, a tip region having a length of 10 cm measured from the distal end of the catheter body, and at least two lumen, each of the catheter body lumen having a proximal end, a distal end, a Lumen Aspect Ratio of at least 3:1, and an intraluminal surface, the distal ends of the at least two catheter body lumen being (i) non-coterminus or (ii) laser-cut, the exterior surface of the catheter body in the tip region or the intraluminal surface of the two catheter body lumen comprising a hydrophilic polymer layer having an Average Dry Thickness of at least about 50 nanometers. | 06-20-2013 |
| 20130158518 | SURFACE MODIFICATION FOR CATHETERS COMPRISED OF MULTIPLE MATERIALS - Catheters and a method for preparation thereof, the catheter comprising as component parts thereof a catheter body, a juncture hub, at least one extension line and at least one connector, each of said component parts comprising an exterior surface, at least one lumen having an intraluminal surface and a bulk polymer, wherein the intraluminal or external surface of a first of said component parts and the exterior or intraluminal surface of a second of said component parts comprise a hydrophilic polymer layer thereon having an Average Dry Thickness of at least about 50 nanometers and the first and second component parts comprise bulk polymers having different chemical compositions | 06-20-2013 |
| 20130158519 | CATHETER WITH FORMED GUIDE WIRE RAMP - A rapid exchange catheter comprises a guide wire lumen including a substantially sealed portion in which a lumen wall extends around an entire periphery thereof and a channel portion including a channel opening the lumen to an exterior of the catheter, wherein a width of the channel is less than a maximum width of the channel portion. A guide wire ramp extends into the channel portion, with the ramp extending further into the lumen of the channel portion as a distal end of the ramp is approached. | 06-20-2013 |
| 20130237963 | GUIDEWIRE WITH INTEGRAL RADIOPQUE MARKERS - Embodiments hereof relate to a guidewire formed from an elongated shaft, at least a portion of the shaft having an outer layer, a plurality of channels formed through the outer layer, and an inner core. The outer layer is formed from a material non susceptible to erosion by an erosion agent and the inner core is formed from a radiopaque material susceptible to erosion by the erosion agent. When exposed to the erosion agent, core material adjacent to the channels is removed to form a pattern of integral radiopaque segments or markers with a plurality of voids therebetween. By controlling the location of channels and the rate of erosion of the core material, the pattern of integral radiopaque segments and voids allow for in situ measurement when viewed under fluoroscopy. | 09-12-2013 |
| 20130289533 | ROD SHAPED BODY AND MEDICAL DEVICE - The present invention relates to a medical device. In particular, the present invention concerns a medical device which can be detected by means of magnetic resonance imaging (MRI). | 10-31-2013 |
| 20140135737 | DETACHABLE TIP MICROCATHETER - A microcatheter for delivering embolic agent to a vascular site is provided. The microcatheter has a biocompatible or biocompatible and biodegradable tip which can be detachably engaged to the microcatheter body by a thermoplastic sleeve. Once the embolic agent is delivered to the desired vascular site, the tip of the microcatheter is often entrapped within the mass of the liquid embolic fluid. Using the microcatheter, the clinician can retract the microcatheter at a predetermined retraction force thereby disengaging the tip from the microcatheter body allowing for easier removal of the microcatheter. | 05-15-2014 |
| 20140148793 | MEDICAL DEVICE - A medical device including a shaft having an elongated inner member and an elongated tubular reinforcing member disposed over at least a portion of the inner member. In some embodiments, at least a portion of the outer surface of the inner member is spaced from the inner surface of the reinforcing member, defining a space substantially free of any other structures of the device. In some embodiments, the shaft can include a tip structure disposed on a distal portion of the inner member. In some such embodiments, the reinforcing member has a distal end, and the tip structure is disposed on the distal portion of the inner member adjacent the distal end of the reinforcing member. Additionally, in some embodiments, the reinforcing member can include a plurality of apertures defined therein, for example, to enhance the flexibility or other such characteristics of all or portions of the reinforcing member. | 05-29-2014 |
| 20140188085 | Hemostatic Devices and Methods For Use Thereof - Materials and methods for reducing or preventing bleeding and associated side effects during and after percutaneous medical procedures. | 07-03-2014 |
| 20150306353 | Guidewires With Variable Rigidity - Guidewires are disclosed being configured to achieve variable rigidity to facilitate percutaneous exploration and the traversal of overlying elements such as catheters, for instance in performing the Seldinger technique. Embodiments of guidewires comprise sheaths and cores configured to be tightened together to achieve stiffness of the guidewire. Embodiments further include cores having an axial passage, along with one or more sections capable of independent activation to achieve variable rigidity. Embodiments also include guidewires comprising combinations of solid, wound metallic, or polymeric coils, or woven meshes, with attached or detached polymer coatings. Cores may be configured to increase or decrease pressure, pass acoustic, ultrasonic or other mechanical energy, pass one or more metallic cores to interact with the distal mechanical elements, or as a channel to pass wires to activate the distal materials in the sections and distal tip. | 10-29-2015 |
| 20150306354 | MEDICAL GUIDE WIRE - A medical guide wire which can have both slidability and operability and can be easily manufactured is provided. | 10-29-2015 |
| 20160038647 | THIN-FILM COATED FLUOROPOLYMER CATHETER - A fluoropolymer medical device (e.g., a sphincterotome) has a thin-film coating deposited using a technique such as Atomic Layer Deposition. The thin-film coating may be a ceramic coating or a metal coating and a ceramic coating may further have an overlying ink coating such as a conducting ink or a radiopaque marker. The ceramic coating improves the application and adherence of the ink coating to the fluoropolymer device. | 02-11-2016 |
| 20160114130 | MEDICAL DEVICE INCLUDING A MARKER ELEMENT - During manufacture a marker element is formed over a selected region of a catheter body. A length of heat shrink tubing is disposed over the selected region of the catheter body including the marker element. The catheter assembly is heated causing the heath shrink tubing to constrict in at least a longitudinal direction, forming a mechanical interlock between the marker element and the catheter body at least at one end of the marker element. The heat shrink tubing is later removed. A similar process may be used when bonding a distal tip to a distal end of the catheter body. This process may be used to provide a low profile catheter body even after a marker element has been added. | 04-28-2016 |
| 20160158006 | DEVICE AND METHODS FOR SELF-CENTERING A GUIDE CATHETER - This document provides devices and methods for the treatment of heart conditions such as valvular stenosis. For example, this document provides devices and methods by which a guide catheter can align itself with a blood flow stream to thereby help direct a guidewire or other elongate device transmitted from the guide catheter through an orifice of a heart valve. | 06-09-2016 |
| 20160250443 | MICROCATHETER TUBING ARRANGEMENT | 09-01-2016 |
| 20160250450 | GUIDEWIRE WITH INTEGRAL RADIOPAQUE MARKERS | 09-01-2016 |
