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365results about How to "Prevent kinking" patented technology
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Advanced endovascular graft
This invention is a system for the treatment of body passageways; in particular, vessels with vascular disease. The system includes an endovascular graft with a low-profile delivery configuration and a deployed configuration in which it conforms to the morphology of the vessel or body passageway to be treated as well as various connector members and stents. The graft is made from an inflatable graft body section and may be bifurcated. One or more inflatable cuffs may be disposed at either end of the graft body section. At least one inflatable channel is disposed between and in fluid communication with the inflatable cuffs.
Owner:BOSTON SCI CORP
Stent having variable properties and method of its use
A stent and method of its use, the stent in its expanded configuration, exhibiting varying outward radial force along its length. In use, the expanded stent is of a tapered configuration which provides greater force in vessel regions requiring greater force and less force in regions requiring less. In particular the stent is useful in the ostium regions and at areas of bifurcation in vessels. Varying force over the length of the stent is achieved by varying the number of elements, the density of elements, the thickness of the elements making up the stent body, and maintaining a substantially metal to artery ratio in the expanded stent over its length.
Owner:BOSTON SCI SCIMED INC
Systems, methods and devices for removing obstructions from a blood vessel
A system for removing an obstruction from a blood vessel includes an obstruction engaging element and an expandable capture element. The capture element preferably has a flexible cover and an expandable support structure. The engaging element engages the obstruction and moves the obstruction into the capture element. The capture element protects the obstruction when the obstruction is moved into the catheter.
Owner:STRYKER CORP
Flow directed catheter
InactiveUS6296631B2Similar property of flexibilityPrevent kinkingCatheterCoatingsDistal segmentBiomedical engineering
Owner:TYCO HEALTHCARE GRP LP
Apparatus and Method for Routing a Transmission Line through a Downhole Tool
ActiveUS20050173128A1Prevent kinkingMinimize expense and laborDrilling rodsFluid removalGun drillMajor and minor
An apparatus and method for routing a transmission line through a tool joint having a primary and secondary shoulder, a central bore, and a longitudinal axis, includes drilling a straight channel, at a positive, nominal angle with respect to the longitudinal axis, through the tool joint from the secondary shoulder to a point proximate the inside wall of the central bore. The method further includes milling back, from within the central bore, a second channel to merge with the straight channel, thereby forming a continuous channel from the secondary shoulder to the central bore. In selected embodiments, drilling is accomplished by gun-drilling the straight channel. In other embodiments, the method includes tilting the tool joint before drilling to produce the positive, nominal angle. In selected embodiments, the positive, nominal angle is less than or equal to 15 degrees.
Owner:INTELLISERV
Straight insertion safety infusion set
InactiveUS20070191772A1Prevent further rotationPrevent movementGuide needlesInfusion syringesInfusion setSurgery
An infusion set assembly comprising a cannula housing having a base surface and a septum housing adapted to be pivotally attached to the cannula housing for movement between a position where an axis thereof is substantially perpendicular to the base surface and a position where the axis is substantially parallel to the base surface. The infusion set assembly further comprises an insertion needle assembly including an insertion needle and a cannula supported by the needle assembly with a tip of the insertion needle extending from a distal end of the cannula. An insertion guide housing is configured to support the insertion needle assembly with the needle substantially perpendicular to the base surface and adapted for movement between a position where the needle tip and cannula distal end are spaced from the base surface and a position where the needle tip and cannula distal end extend beyond the base surface.
Owner:ANIMAS CORP
Kink resistant cannula having buckle resistant apertures
A cannula has a body with a proximal end and a distal end and a tip on the distal end. The tip has an outer wall defining a lumen opening at the end of the tip and extending to the proximal end of the cannula. The tip further comprises one or more ribs extending into the lumen to support the outer wall from kinking when the cannula is flexed. The outer wall has a inner surface defining the lumen and a plurality of non-circular apertures formed in the tip extending into the lumen. The apertures having a major axis and a minor axis. The major axis aligned in relation to a circumference of the outer wall to prevent puckering or buckling when the tip is bent. This alignment is also designed to support the outer wall from kinking when the tip is bent.
Owner:MEDTRONIC INC
Systems, methods and devices for removing obstructions from a blood vessel
InactiveUS20080109031A1Easily advancedInhibit bindingDilatorsSurgical instrument detailsEngineeringBlood vessel
A system for removing an obstruction from a blood vessel includes an obstruction engaging element and an expandable capture element. The capture element preferably has a flexible cover and an expandable support structure. The engaging element engages the obstruction and moves the obstruction into the capture element. The capture element protects the obstruction when the obstruction is moved into the catheter.
Owner:STRYKER CORP
Headgear for noninvasive ventilation interface
The present invention is a headgear for noninvasive ventilation interface made up of a nasal cannula including cannula tubing having a given outside diameter, and a headgear yoke with ends including tubing retainers. The yoke is adapted to extend transversely over a wearer's head. The tubing retainers are C-shaped projections having a given length and an inside diameter substantially equal to the tubing outside diameter. The present invention further includes a retainer mating element for each of the C-shaped tubing retainers to prevent the tubing from kinking near the C-shaped tubing retainers. The retainer mating element has an elbow section with an open side and a clip section connected to the elbow section by a rigid beam having a length substantially equal to the C-shaped tubing retainer given length, wherein both of the sections have an inside diameter substantially equal to the tubing given outside diameter.
Owner:VENTLAB
Headgear for noninvasive ventilation interface
The present invention is a headgear for noninvasive ventilation interface made up of a nasal cannula including cannula tubing having a given outside diameter, and a headgear yoke with ends including tubing retainers. The yoke is adapted to extend transversely over a wearer's head. The tubing retainers are C-shaped projections having a given length and an inside diameter substantially equal to the tubing outside diameter. The present invention further includes a retainer mating element for each of the C-shaped tubing retainers to prevent the tubing from kinking near the C-shaped tubing retainers. The retainer mating element has an elbow section with an open side and a clip section connected to the elbow section by a rigid beam having a length substantially equal to the C-shaped tubing retainer given length, wherein both of the sections have an inside diameter substantially equal to the tubing given outside diameter.
Owner:VENTLAB
Lithium ion polymer electrolytes
InactiveUS6413676B1Prevent kinkingAvoid deformationElectrode manufacturing processesFinal product manufacturePorosityCross-link
A dimensionally stable, highly resilient, hybrid copolymer solid-solution electrolyte-retention film for use in a lithium ion battery in one preferred embodiment has a predominantly amorphous structure and mechanical strength despite contact with liquid solvent electrolyte. The film is a thinned (stretched), cast film of a homogeneous blend of two or more polymers, one of which is selected for its pronounced solvent retention properties. A very high surface area inorganic filler dispersed in the blend during formation thereof serves to increase the porosity of the film and thereby enhance electrolyte retention. The film is soaked in a solution of liquid polymer with liquid organic solvent electrolyte and lithium salt, for absorption thereof. Use of a cross-linked liquid polymer enhances trapping of molecules of the electrolyte into pores of the film. The electrolyte film is sandwiched between flexible active anode and cathode layers to form the lithium ion battery. Novel methods are provided for forming the electrodes, the polymer substrate, and other elements of the battery.
Owner:LITHIUM POWER TECH
Stent having variable properties and method of its use
InactiveUS7060091B2Increase radial forceFlexible processStentsBlood vesselsVolumetric Mass DensityBlood vessel
Owner:BOSTON SCI SCIMED INC
Transseptal catheterization assembly and methods
Owner:ST JUDE MEDICAL ATRIAL FIBRILLATION DIV
Organ manipulator apparatus
InactiveUS20050010197A1Prevent kinkingReduce creationDiagnosticsIntravenous devicesCoronary arteriesThoracic bone
Organ manipulation devices for atraumatically grasping the surface of an organ and repositioning the organ to allow access to a location on the organ that would otherwise be substantially inaccessible. Methods of accessing a beating heart, retracting the heart using an organ manipulation apparatus, and stabilizing a surgical target area with a stabilizer. Both the organ manipulator and stabilizer are fixed to a stationary object which may be a sternal retractor. A system for performing beating heart coronary artery bypass grafting includes a sternal retractor, organ manipulator and stabilizer.
Owner:MAQUET CARDIOVASCULAR LLC
Subcutaneous infusion devices
InactiveUS20050273076A1Reduces cannula profilePrevent kinkingGuide needlesInfusion syringesInfusion setCatheter
A subcutaneous infusion device, including an infusion set and conduit, the infusion set including a cannula and a hub. The cannula may include a coil component that is helically arranged around a longitudinal axis to define a lumen and a tubing component that is associated with the coil component and may take on the shape of the outer surface thereof. The cannula may include a proximal guide to assist in the insertion of a needle therethrough. Both integral and attachable infusion set and conduit combinations are described, as well as a sterile package and insertion mechanism.
Owner:CR BARD INC
Catheter with splittable wall shaft and peel tool
A method and apparatus for uncoupling a wire guide from and elongate medical device comprising a catheter shaft having a wire guide lumen extending there through, wherein the material surrounding the wire guide lumen is selected or adapted to facilitate splittability for removal of the wire guide. The catheter shaft is coextruded and comprises a plurality of materials. The portion of the shaft adjacent the wire guide lumen is formed from a first material and the balance of the shaft is formed from a second material. The first material is selected or adapted to facilitate splittability as compared to the second material. The first material may have a lower durometer than the second material. A peel tool for separating the wire guide from the catheter shaft is also provided.
Owner:COOK MEDICAL TECH LLC
Infusion set and/or patch pump having at least one of an in-dwelling rigid catheter with flexible features and/or a flexible catheter attachment
ActiveUS20110313357A1Prevent kinkingReduce and eliminate irritation of tissueMouldsPressure infusionInfusion setSlide plate
An infusion set, patch pump, or elements thereof, having an exemplary catheter (14) provided with one or more channels, grooves and coatings (24, 34, 44), configured and arranged to provide a degree of strength and flexibility. The catheter (14) can also have an exemplary flexible union with the hub (12) having at least one of a ball-and-socket joint (66, 68), a sliding plate (86), and a flexible bushing (106), and which is sealed to allow even further movement of the catheter (14) while preventing leakage of medication through the junction. In doing so, a number of benefits associated with the use of rigid materials in catheter construction can be provided while at the same time, benefits associated with the use of flexible materials in catheter construction and / or flexible engagement with the hub can also be provided.
Owner:BECTON DICKINSON & CO
Semiconductor laser device and manufacturing method thereof
ActiveUS20050279994A1High yieldLow costOptical wave guidanceLaser detailsActive layerSilicon dioxide
It is an object of the present invention to provide a semiconductor laser device with high-yielding in which a clack generated in an epitaxial growth layer is restrained and to the manufacturing method thereof, the semiconductor laser device includes a GaN substrate 1, an n-type GaN layer 2, an n-type AlGaN cladding layer 3, a n-type GaN guide layer 4, an InGaN multiple quantum well active layer 5, an undoped-GaN guide layer 6, a p-type AlGaN electron overflow suppression layer 7, a p-type GaN guide layer 8, a SiO2 blocking layer 9, an Ni / ITO cladding layer electrode 10 as a transparent electrode, a Ti / Au pad electrode 11, and a Ti / Al / Ni / Au electrode 12. The SiO2 blocking layer 9 is formed above the InGaN multiple quantum well active layer 5 so as to have an opening. The Ni / ITO cladding layer electrode 10 is formed inside the opening, and which is transparent for the light from the InGaN multiple quantum well active layer, and serves as a cladding layer.
Owner:PANASONIC CORP
Methods and devices for obesity treatment
InactiveUS20090012469A1Small surface areaReduce weightBalloon catheterSurgeryIntestinal structureSmall intestine
A method for inducing malabsorption in a small intestine of a patient may involve advancing a portion of a catheter into the patient's small intestine and expanding a portion of the catheter to apply force to the small intestine's inner wall to modify mucosal villi and / or crypts. The method for causing weight loss in a patient may also involve dilating at least a portion of the patient's small intestine to modify mucosal villi and / or crypts, destroying mucosal villi and / or crypts of the patient's small intestine using a combined coaxial and radial catheterization of the intestine, or isolating a length of the patient's small intestine and delivering a substance to the isolated length to destroy mucosal villi and / or crypts.
Owner:NITA HENRY
Suction device for a pick power tool
ActiveUS7740086B2Avoid cloggingGreat suctionTransportation and packagingMulti-purpose machinesClassical mechanicsPower tool
A suction device (11) for a hammer drill (6) has a first end (12) with a securing device (14) for securing the suction device (11) to the hammer drill (6) and a second end (13) opposite first end (12) and which has a contact area (15) with which the suction device (11) contacts a constructional component, the suction device (11) further having a receiving space (20) which at least partially encloses a working tool (7) of the pick power tool (6), and being provided with a connection device (18) for a vacuum source. A retaining element (21) having a through-opening (22) for the working tool (7) and a plurality of suction openings (23) is provided in an area (19) of the second end (13).
Owner:HILTI AG
Flexible flange apparatus for connecting conduits and methods for connecting same
ActiveUS7814580B2Sufficient degree of flexibilityPrevent kinkingWater closetsPipe connection arrangementsFlush toiletGuide tube
The present disclosure generally relates to improved water closet flanges and methods for installing such water closet flanges. In one exemplary embodiment, an improved water closet flange apparatus includes an outer flange and a flexible conduit portion (i.e. sleeve) extending downwardly therefrom. The flexible sleeve has a sufficient degree of flexibility to accommodate connection between offset, misaligned, angled, or otherwise incongruous plumbing fixture discharges and waste drain pipe outlets. In one embodiment, the flexible sleeve includes at least one corrugated portion to aid the desired flexibility. An upper portion of the flexible sleeve may include an inwardly extending lip portion to accommodate the desired seal between the plumbing fixture discharge and the flange apparatus. Related methods for installing the disclosed flange apparatus between plumbing fixture discharges and waste drainpipes are also described.
Owner:COFLEX SA DE CV
Multilayer tubes
InactiveUS20070051418A1Reduced flexibilityReduce wall thicknessFlexible pipesRigid pipesThermoplastic elastomerEngineering
The invention described relates to a composition for a multilayer tube having an inner and an outer layer. Preferably the inner layer of the tube has at least one at least partially crosslinked, preferably polyethylene, which is less flexible than the adjacent more flexible outer layer, which is preferably a thermoplastic elastomer. The inner and outer layers are typically coextruded during manufacture, with at least one overmolded end, preferably crosslinked, which generally has an internal diameter which is essentially the same as the internal diameter of the multilayer tube. The multilayer tube is typically crosslinked, preferably by electron beam.
Owner:ROWLES BRIAN A +1
Device for guiding surgical sewing material to a needle
InactiveUS7749236B2Prevent protrudingPrevent materialSuture equipmentsEngineeringSurgical department
Owner:KARL STORZ GMBH & CO KG
Intragastric implants with duodenal anchors
InactiveUS20120095385A1Reducing food ingestedLower the volumeSurgeryDilatorsPatient riskStomach walls
Intragastric fluid transfer devices and related methods for operation thereof are disclosed. The intragastric fluid transfer devices and related methods are intended to assist a patient in maintaining a healthy body weight by stimulating the inner stomach walls and / or the inner duodenum walls. Features of the intragastric fluid transfer device include insertion of the devices transorally and without invasive surgery, without associated patient risks of invasive surgery, and without substantial patient discomfort. The life span of these intragastric fluid transfer devices may be material-dependent upon long-term survivability within an acidic stomach, but is intended to last one year or longer.
Owner:ALLERGAN INC
Apparatus and method to protect fiber ribbons
An apparatus and method to protect fiber ribbons. A router having a body and cap are disclosed. Fiber cable sheath is stripped from one end, and the fiber ribbons thus exposed are inserted through the body and through cap bores in the cap. The cap is frictionally pushed into the body, and transportation tubes are installed over the fiber ribbons. The cap bores are sized to frictionally admit one end of a transportation tube, which has the effect of holding the transportation tubes in place. An optional insert is disclosed which has the function of reducing the body minor barrel bore diameter through which the fiber cable enters the router.
Owner:MOWERY SR ARTHUR J
Aortic graft design
An aortic graft device ( 10 ) is provided with a graft portion ( 12 ) integrally fixed to a corrugated trunk portion ( 14 ). A fixing ring ( 16 ) is provided between the graft and trunk portions. The trunk portion ( 14 ) can be everted into the graft portion, leaving the fixing ring ( 16 ) at an extremity of the device for suturing purposes. The fixing ring ( 16 ) is preferably made from a relatively stiff material such as a compressed foam or rubber like material, which provides a relatively solid component for a surgeon to hold during suturing and which can provide a strong support for sutures.
Owner:COOK MEDICAL TECH LLC
Steerable Catheter With Flexing Tip Member
A steerable catheter device includes a catheter body, a flexing tip member coupled to a distal end of the catheter body and having a wall with a first plurality of arcuate slits and a second plurality of arcuate slits, the first and second plurality of slits being diametrically opposed and alternating with each other, and an actuator that bends the flexing tip member, wherein at least a portion of the catheter body includes a braided sheath, and wherein each of the first and second plurality of slits has two ends and a center positioned midway between the two ends, and wherein all of the first plurality of slits have centers positioned along a first axis substantially parallel to the longitudinal axis of the catheter body and all of the second plurality of slits have centers positioned along a second axis substantially parallel to the longitudinal axis of the catheter body.
Owner:SANOVAS
Apparatus for treating a bifurcated region of a conduit
ActiveUS20070219611A1Improved deliverabilityMinimizing effectStentsBlood vesselsProsthesisBiomedical engineering
A system for treating a diseased body conduit bifurcation that is readily deliverable into a region of a body conduit having typically asymmetric anatomy, such as a vessel bifurcation is provided. The system comprises a delivery device such as a catheter having a shaft with varying torsional properties along its length and a delivery apparatus mounted at its distal end. A distal end of the device can be inserted into the main branch and at least one side branch of a vessel bifurcation. The distal end includes at least two expansion members having expandable scaffolds or prostheses mounted thereon. One scaffold is configured such that one expansion member extends through the length of the scaffold while the other expansion member extends through the side-structure of the scaffold. A second scaffold is mounted on the expansion member extending through the side-structure of the first scaffold.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Methods and apparatus for inserting multi-lumen split-tip catheters into a blood vessel
InactiveUS8206371B2Facilitate entryAssist in dilatingMulti-lumen catheterGuide wiresBlood vesselTip catheter
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.
Owner:BARD ACCESS SYST
Loose tube flying lead assembly
InactiveUS20100059229A1Adequate movementPrevents unwanted exposureDrilling rodsFluid removalGuide tubeBiomedical engineering
In combination, the loose tube flying lead includes: a) a pair of improved cobra head assemblies, each being able to receive a variety of different stab-plates with minimal modification; b) a pair of bend limiters, one extending from each cobra head assembly and c) an elongate bundle of non-constrained interior conduits surrounded by an over-hose, the over-hose being connected to each bend limiter. The over-hose may rotate independently of the bend limiters and the cobra head assemblies.
Owner:DEEP DOWN INC
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