Class / Patent application number | Description | Number of patent applications / Date published |
604171000 | Body entering conduit axially movable within flexible protective sheath facilitating sterile insertion into body duct | 41 |
20080208133 | SYSTEMS AND METHODS FOR GAINING ACCESS AROUND AN IMPLANTED MEDICAL DEVICE - Systems for gaining access into a body of a patient around an implanted body of an elongate medical device include a sheath having a deformable wall that allows insertion of the device body into a lumen surrounded by the sheath wall. The sheath wall may include first and second edges that extend from a proximal end to a distal end of the lumen, or just extend along a distal portion of the lumen. A tool, which includes a groove sized to grasp about a circumference of the device body, may facilitate insertion of the device body into the lumen of those sheath embodiments that include the first and second edges, by spreading at least one of the first and second edges of the wall apart from the other of the first and second edges while the device body is grasped within the tool. | 08-28-2008 |
20100004601 | MALECOT GASTRONOMY TUBE WITH SPLITTABLE SHEATH - A gastronomy tube device includes an expandable distal retention portion that is self-expanding. The device includes a removable sheath that circumferentially expands the self-expanding distal retention portion. The distal retention portion preferably is biased into an outer diameter that is greater when released from the sheath than when constrained by it. | 01-07-2010 |
20100057012 | Slittable and Peelable Sheaths and Methods for Making and Using Them - A sheath for delivering a lead or other device into a body lumen is adapted to be removed from around the delivered lead or device via a longitudinally extending feature. This feature of the sheath may be a ripcord, a seam or interlocking features the releasably engage one another. | 03-04-2010 |
20100100047 | MEDICATION DELIVERY DEVICE WITH PRE-SET BOLUS PUMP - The present invention relates to a handheld medication delivery device comprising first and second mutually displaceable housing parts ( | 04-22-2010 |
20100121278 | SUPER ELASTIC LOOP EXTRALUMINAL MATERIALS DELIVERY INSTRUMENT - A materials delivery instrument is provided and includes an outer sheath and an instrument movably mounted within the outer sheath. The instrument includes a treatment lumen extending substantially the length of the instrument for receipt of treatment material. A super elastic wire is positioned in at least a distal end of the instrument. The super elastic wire forms a loop in an unstressed state to allow the instrument to encircle an anastomosis formed between a pair of tubular tissue sections. The super elastic wire is in a stressed state when the instrument is retracted within the outer sheath and in the unstressed state when the instrument is extended from the outer sheath to enclose the anastomosis. A proximal end of the super elastic wire is oriented substantially perpendicular to a plane formed by the loop to allow the instrument to lie parallel to the tubular tissue sections during the spraying of the anastomosis. A source of air pressure may be provided through the instrument to facilitate spraying the treatment material onto the anastomosis. | 05-13-2010 |
20100121279 | Apparatus and Method for Establishing Access to the Body - An apparatus and method for access to the inside of a body includes a transparent sheath with a radiopaque marking and fastener for securing a guidewire or catheter. The transparent sheath permits objects located within and near the sheath to be visualized with an external imaging system. Objects located near the sheath can also be observed with an imaging device disposed inside the sheath. The radiopaque marker permits accurate positioning of the sheath in the body. The sheath can be inserted into the body over an interventional device. A fastener prevents migration of a guidewire or catheter during the procedure. | 05-13-2010 |
20100168676 | CATHETER WITH PROTECTIVE BARRIER MEMBER - A device that shields internal organs and tissues from medical procedures performed within a patient's body, especially in the chest cavity where ablation and related procedures are performed in or near the heart, includes a catheter body, a distal section, and a barrier member that can be inflated with fluid to act as a barrier to extreme temperatures and physical trauma, and be deflated to a smaller size to facilitate entry and removal from the patient's chest cavity. In a more detailed embodiment, the barrier member is a balloon that can protects the esophagus, which can be provided with folds and shape memory elements so that the balloon expands and collapses into predetermined configurations. Fluid is fed to and drawn from the barrier member via an irrigation tubing that extends along a catheter shaft and is in communication with a lumen of a deflectable tubing section that extends through an interior cavity of the barrier member. The catheter can be adapted for uni- or bi-directional deflection. | 07-01-2010 |
20100198159 | EXPANDABLE INTRODUCER SHEATH TO PRESERVE GUIDEWIRE ACCESS - An introducer sheath is described. The introducer sheath may include a tubular body. The tubular body may extend from a distal end toward a proximal end. The tubular body may include a lumen. The lumen may at least partially be defined by a wall. A channel may be disposed within the wall. The channel may be configured to receive a guidewire. The tubular body may include an expandable portion expandable to increase a cross-sectional area of the lumen. | 08-05-2010 |
20100198160 | Expandable Introducer Sheaths and Methods for Manufacture and Use - An introducer sheath is disclosed. The introducer sheath may include a tubular portion extending between a proximal end and a distal end. The tubular portion may include an inner portion forming a lumen and an outer portion disposed partially around the inner portion. The inner portion and the outer portion may extend between the proximal end and the distal end. At least a portion of the inner portion may be exposed between the proximal end and the distal end. A method for manufacturing an introducer sheath is disclosed. A method for performing a medical procedure is disclosed. | 08-05-2010 |
20100331784 | Tearaway Introducer Sheath with Hemostasis Valve - A tearaway introducer sheath assembly ( | 12-30-2010 |
20110034875 | Methods for Inserting a Catheter - Catheter assembly ( | 02-10-2011 |
20110077598 | VASCULAR ACCESS TO CLOSURE SHEATH AND METHODS - An insertion sheath and related methods include a tube member and a shape memory feature. The tube member defines an insertion lumen. The shape memory feature is positioned at a distal end portion of the tube member. The shape memory feature provides a monofold shape in the tube member when in a first state, and a radially expanded shape in the tube member in a second state upon application of an expansion force. The shape memory feature returns the monofold shape after removal of the expansion force. The insertion sheath may function as an access to closure sheath that is suitable for use as a procedural insertion sheath when treating the patient and a closure insertion sheath when sealing closed the vascular puncture. | 03-31-2011 |
20110092911 | Splittable cannula having radiopaque marker - A splittable cannula includes a radiopaque marker placed at or near the distal end of the cannula. The radiopaque marker may be a unitary piece, or may consist of several portions. The cannula may include a sheath or catheter body with a grooved score line running along a portion of the sheath body and a radiopaque marker located at a distal end of the body and abutting the body. The radiopaque marker may be located within the lumen of the sheath, may be embedded in the sheath wall, or may be affixed to the external sheath wall. The radiopaque marker may be scored, notched, grooved, or contain apertures longitudinally. The notches, grooves, apertures, and/or score lines in both the sheath or catheter body and the radiopaque marker serve to provide a weakened tear path. An electrode lead may be coupled with the radiopaque marker. | 04-21-2011 |
20110098649 | Introducer Sheath Assembly with Hub - A tearaway introducer sheath assembly ( | 04-28-2011 |
20110098650 | METHOD FOR MANIPULATING AN ADJUSTABLE SHAPE GUIDE CATHETER - A catheter assembly for cannulating an ostium of a coronary sinus of a heart comprises an outer catheter member and an inner catheter member. The outer catheter member has a distal end portion including a deflectable distal end and a lumen extending through the deflectable distal end, wherein the distal end portion includes regions of varying stiffness and has a pre-formed curvature. The inner catheter member is slidably and rotatably disposed within the lumen of the outer catheter member, and has a distal end portion including a distal end, and a lumen extending through the distal end. The distal end portion of the inner catheter member has regions of varying stiffness and a pre-formed curvature. The outer and inner catheter members are configured such that relative translation and rotation of the outer and inner catheter members causes the distal end of the outer catheter member to assume a plurality of two and three dimensional shapes. | 04-28-2011 |
20110245775 | TAPERED SHEATH - A sheath and a method for making said sheath are provided. The sheath includes with an inner liner defining a passageway about a longitudinal axis extending longitudinally therethrough. A coil is fitted around at least a part of the inner liner. The coil has a series of windings that are locatable at a continuously smaller distance from the longitudinal axis to form a taper in a distal direction. The tube further includes an outer layer positioned longitudinally over the coil that is adapted to adhere to the inner liner. The coil may be spirally wound such that the windings are disposed at a continuously smaller distance from the longitudinal axis in a longitudinal direction. The sheath can have a tapered passageway or a passageway with a uniform diameter. The sheath preferably has a continuous taper along its outer surface from the proximal end to the distal end. | 10-06-2011 |
20110257599 | INTRODUCER SHEATH - Introducer sheath ( | 10-20-2011 |
20110270196 | HEMOSTATIC VALVE AND SPLITTABLE INTRODUCER - In at least one embodiment, a hemostatic valve for use with a splittable introducer ( | 11-03-2011 |
20110282288 | METHOD OF FORMING REINFORCED TUBING - A method of forming a reinforced tubular medical device in a continuous operation, and a medical device formed by the continuous method. An elongated core capable of movement about a line is provided. An elongated tubular member is formed around a moving length of the core by extruding a coating of a functionalized polymer around the moving core length, applying a reinforcing member to an outer surface of the functionalized polymer coating along the moving length, and extruding a polymeric outer jacket over the functionalized polymer and reinforcing member along the moving length, such that a bond is formed between the functionalized polymer and the polymeric outer jacket. The elongated tubular member is cut to desired length to form the tubular medical device, and the core is removed from the device. | 11-17-2011 |
20110282289 | Systems and Methods for Gaining Access Around an Implanted Medical Device - Systems for gaining access into a body of a patient around an implanted body of an elongate medical device include a sheath having a deformable wall that allows insertion of the device body into a lumen surrounded by the sheath wall. The sheath wall may include first and second edges that extend from a proximal end to a distal end of the lumen, or just extend along a distal portion of the lumen. A tool, which includes a groove sized to grasp about a circumference of the device body, may facilitate insertion of the device body into the lumen of those sheath embodiments that include the first and second edges, by spreading at least one of the first and second edges of the wall apart from the other of the first and second edges while the device body is grasped within the tool. | 11-17-2011 |
20120010570 | METHOD FOR PERCUTANEOUSLY IMPLANTING A MEDICAL CATHETER AND MEDICAL CATHETER IMPLANTING ASSEMBLY - A method for percutaneously implanting a medical catheter, such as a gastrostomy feeding tube, and a medical catheter implanting assembly. In one embodiment, the implanting assembly includes a gastrostomy feeding tube, an inner sheath and an outer sheath. The feeding tube has an internal bolster integrally formed at its distal end. The inner sheath includes a bore extending distally from its proximal end to a point prior to its distal end and a transverse window communicating with the bore. The outer sheath includes a proximal end, a distal end and a longitudinal bore. The outer sheath is inserted over the inner sheath, and the feeding tube is inserted into the inner sheath, with the internal bolster being folded and tucked into the window and retained therein by the outer sheath. Movement of the outer sheath relative to the inner sheath to expose the window allows the bolster to decompress. | 01-12-2012 |
20120078187 | FLEXIBLE INTRODUCER SHEATH - A sheath with improved kink resistance and/or rupture resistance is provided. The sheath includes an inner liner defining a passageway extending longitudinally therethrough. A coil is fitted around at least a part of the inner liner. An outer layer adapted to adhere to the inner liner between the windings of the coil is positioned longitudinally over the coil. Lateral edges can have inwardly curved and outwardly curved portions. Lateral edges can be further structured and arranged to define an asymmetric spacing therebetween. The asymmetric spacing is configured to improve at least one of kink resistance and rupture resistance of the sheath when in a bent configuration. The compressive and tensile strength of the polymer material can be utilized in a manner to inhibit coil segments from sliding along each other or overlapping one another, thereby preventing premature tearing of the material when the sheath is bent. | 03-29-2012 |
20120101441 | HINGED CATHETER - The disclosure provides a catheter for positioning in a contralateral femoral approach in highly angulated iliac bifurcations. The catheter comprises an elongate shaft, an adjustable element, and a wire entrance port on the elongate shaft. The elongate shaft has a proximal portion, an intermediate portion, a curved portion, and a distal portion. The curved portion connects the intermediate portion and the distal portion. The adjustable element is configured to encompass the distal portion and the intermediate portion together in a closed position. The adjustable element can be removed away from the distal portion permitting the distal portion in an open position. The wire entrance port is disposed in the intermediate portion near the curved portion. The distal portion is biased to be spaced away from the intermediate portion in the open position. The adjustable element is connected to an operating wire configured to advance and retreat through the wire entrance port. | 04-26-2012 |
20120184913 | Valved Sheath Introducer for Venous Cannulation - A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through which a slit is formed. The central portion may have one or more concave surfaces and the slit can be angled with respect to the top surface of the valve. The cap is attached to the handle, compressing a portion of the valve therebetween. | 07-19-2012 |
20130046241 | INTRODUCER ASSEMBLY - An introducer assembly is composed of an introducer sheath and a dilator which have been previously integrated with each other to permit the hemostatic valve to exhibit its hemostatic function over an extended period of time without significantly adversely affecting the inherent function of the dilator tube. The introducer assembly includes a dilator tube passing through a passage of a hemostatic valve. The introducer assembly has a deforming member arranged between the hemostatic valve and a cap. As the cap is pushed toward the proximal end surface of a sheath hub for engagement with the sheath hub, the cap presses the hemostatic valve and applies a compressive force to the hemostatic valve in such a direction as to close the passage. | 02-21-2013 |
20130085450 | VALVES AND HUBS FOR TUBULAR DEVICES AND METHODS FOR MAKING AND USING THEM - A hub for a sheath, catheter, or other tubular device includes a first hub portion including a first hub lumen sized for receiving a medical device therethrough, and a second hub portion including a second hub lumen, the second hub portion coupled to the first hub portion such that the first and second hub lumens are aligned with one another and the first and second hub portions are spaced apart from one another to define a gap. A valve is secured within the gap between the first and second hub portions that includes a valve passage therethrough, e.g., for accommodating receiving a medical device through the first and second hub lumens into the tubular device, while providing a substantially fluid tight seal. | 04-04-2013 |
20130123705 | INTRODUCER SHEATH ASSEMBLY HAVING A LOCKING DILATOR - An introducer assembly includes a valve having a first end and an opposite second end; a sheath fixedly secured to and extending axially from one of the first and second ends of the valve; a dilator extending through the valve and sheath; and a lock knob rotatable between locked and unlocked positions to releasably axially lock the tool relative to the sheath without causing corresponding rotation of the tool therewith. | 05-16-2013 |
20130150793 | NOVEL ENHANCED INTRODUCER ASSEMBLY - Provided is a sheath assembly comprising a dilator hub and sheath hub, configured for coupling by a first movement that combines simultaneous longitudinal and radial movements, followed by a second movement that is substantially radial, and what is also provided is a sheath assembly that comprising a hemostasis valve with a W-slit. | 06-13-2013 |
20130150794 | URETERAL ACCESS SYSTEM WITH ACCESS SHEATH - A ureteral access system includes a ureteral probe and a sheath. The ureteral probe has a proximal end, a tapered distal end portion, and an exterior wall with a longitudinal channel formed in the ureteral probe that communicates with a proximal port formed in the exterior wall and with a distal port formed in the exterior wall. The ureteral probe is provided with a split opening extending from the proximal port to the distal port. The longitudinal channel is sized to receive a guide wire that is insertable through a urethra and into a ureter. The sheath is sized for placement over the ureteral probe. | 06-13-2013 |
20130172821 | CATHETER INSERTION DEVICES - A catheter insertion device is provided that comprises an elongate member defining a longitudinal axis. The elongate member is configured to be disposed on a catheter in one of a first configuration and a second configuration. The first configuration and the second configuration are different. The catheter insertion device is further configured to allow the elongate member to be selectively and repeatedly reconfigured between the first configuration and the second configuration while disposed on the catheter. | 07-04-2013 |
20140018740 | SAFETY NEEDLE SHIELD APPARATUS - A safety shield apparatus is provided that includes a housing that defines a cavity. A distal end of the housing includes a cover having a movable tab. A hub is disposed for movement within the housing and includes a needle having a distal end and a movable projection. The hub is biased between an extended position, such that the distal end of the needle is exposed and the movable projection is releasably disposed with the cavity, and a retracted position whereby the distal end of the needle is disposed within the housing. The movable tab is engageable with the movable projection to release the movable projection from the cavity to facilitate movement of the hub. The distal end of the housing may define a lip that is configured to capture the distal end of the needle. The hub can define an angled distal surface to orient the needle out of axial alignment with the housing and into capture with the lip. | 01-16-2014 |
20140194822 | CATHETER SHEATH INTRODUCER WITH DIRECTIONAL RETENTION DAMPER - A catheter sheath introducer comprises a hub and a tubular sheath having an inner lining with one or more dampers to improve retention of medical devices received or passed through the sheath without significantly increasing the force required to advance the medical device through the sheath. The dampers are made of a friction inducing material, for example, rubber-based materials, and configured as fingers, bumps or flaps that are unidirectional by means of an asymmetrical shape relative to a longitudinal axis of the sheath. | 07-10-2014 |
20140296788 | INTRODUCER HANDLE NOTCH DESIGN/CONCEPT - An improved splittable medical device introducer designed to introduce a medical device such as a lead or catheter, into a patient's vasculature without loss of blood or introduction of air is described. The introducer assembly is designed with a notch provided at the proximal end of the introducer housing. The notch, which may comprise a multitude of cross-sectional geometries, is designed to reduce the force required to separate the housing and the introducer sheath, thereby minimizing the possibility of unintentional dislodgement during separation. The notch also increases the repeatability and consistency of the amount of force required to separate the introducer housing and sheath. | 10-02-2014 |
20140350471 | CATHETER SHEATH INTRODUCER WITH ROTATIONAL LOCK - A sheath introducer for use with a catheter, has a hub and a tube through which the catheter extends, and a lock assembly which has a rotational knob that actuates a plurality of prongs arranged in a radial pattern around a hole in the hub that receives the catheter, wherein the prongs synchronously rotate in one direction to grip the catheter or in the other direction to release the catheter. | 11-27-2014 |
20140371678 | SELF-EXPANDABLE TUBE AND METHOD OF USE - The invention relates to a self-expandable tube having a catheter body with a double lumen in which one lumen allows for suctioning or decompression and another lumen for a feeding tube. A self-expandable portion collects secretions above the expandable portion or in the anatomical lumen and a suction source coupled to the self-expandable tube removes the secretions as is disclosed herein. | 12-18-2014 |
20150343179 | SHEATH ASSEMBLY FOR INSERTION OF A CORD-SHAPED ELEMENT, PARTICULARLY A CATHETER, INTO THE BODY OF A PATIENT - Sheath assembly for the insertion of a cord-shaped element ( | 12-03-2015 |
20160151605 | INTRODUCER SHEATH FOR RADIAL ARTERY ACCESS | 06-02-2016 |
604172000 | Having lubricating means | 4 |
20110034876 | Slittable and Peelable Sheaths and Methods for Making and Using Them - A sheath for delivering a lead or other device into a body lumen is adapted to be removed from around the delivered lead or device via a longitudinally extending feature. This feature of the sheath may be a ripcord, a seam or interlocking features the releasably engage one another. | 02-10-2011 |
20120323182 | INTRODUCER SHEATH AND INTRODUCER ASSEMBLY - An introducer sheath, which is formed from a tubular member provided with a hollow portion through which an elongated body is freely insertable, and which includes a distal portion and a main body portion, wherein the inner diameter of the distal portion is formed to become gradually smaller toward the distal side, and on the inner surface of the distal portion, there is provided a hydrophobic coating having a friction coefficient lower than the friction coefficient of the tubular member. | 12-20-2012 |
20130018318 | INTRODUCER SHEATH WITH BRAIDED FILAMENT SECUREMENT MECHANISM - A tubular body for a medical device for insertion within a body passageway of a patient. The tubular body includes a tubular inner liner. A braided member is disposed along an outer surface of the liner. The braided member includes intersecting filaments and cells defined by the filaments. A securement mechanism, such as radiopaque solder, is disposed along a circumferential region of the braided member. The securement mechanism is attached to portions of the filaments and spans the cells that correspond to the circumferential region to inhibit relative movement of filament ends. An outer surface of the securement mechanism is sized to extend radially outward to a position up to an outer surface of the braided member to not add to the overall wall thickness of the tubular body. An outer jacket is positioned longitudinally around the braided member and connected to the inner liner. | 01-17-2013 |
20160199619 | INTRODUCER SHEATH AND INTRODUCER ASSEMBLY | 07-14-2016 |