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1313 results about "Meniscus" patented technology
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Unitary surgical device and method
Unitary surgical devices (10) are disclosed. One group of the illustrated devices has a pair of biocompatible, bioresorbable anchors (16,18) connected to fixed lengths suture. The anchors (16,18) and fixed length of suture are connected to each other prior to surgery. Another group of unitary surgical devices has a pair of fixating mechanisms (15,17) connected to a base (21) prior to surgery. The second group of illustrated devices generally includes extracellular matrix material either as part of the base (21) or supported on the base (21). The extracellular matrix material serves as tissue regenerating material. In the second group of unitary surgical devices, the fixating mechanisms illustrated generally comprise suture, anchors or pre-formed holes in the base. All of the illustrated unitary surgical devices are useful in repairing a damaged meniscus. The first group of unitary surgical devices can be used to approximate inner surfaces of a tear in the meniscus. The second group of devices can be used either as an insert to be placed between and approximated to the inner surfaces of the tear or as an insert to replace a void in the meniscus left after a meniscectomy.
Owner:DEPUY SYNTHES PROD INC
Unitary surgical device and method
Owner:DEPUY SYNTHES PROD INC
Concentric proximity processing head
InactiveUS20050217137A1Efficient processingImprove Wafer YieldDrying using combination processesDrying solid materials without heatEngineeringMeniscus
In one of the many embodiments, a method for processing a substrate is disclosed which includes generating a first fluid meniscus and a second fluid meniscus at least partially surrounding the first fluid meniscus wherein the first fluid meniscus and the second fluid meniscus are generated on a surface of the substrate.
Owner:LAM RES CORP
Phobic barrier meniscus separation and containment
InactiveUS20050217135A1Improve Wafer YieldIncrease productionDrying using combination processesDrying solid materials with heatBiomedical engineeringMeniscus
In one of the many embodiments, a method for processing a substrate is provided which includes generating a first fluid meniscus and a second fluid meniscus on a surface of the substrate where the first fluid meniscus being substantially adjacent to the second fluid meniscus. The meniscus also includes substantially separating the first fluid meniscus and the second fluid meniscus with a barrier.
Owner:LAM RES CORP
Continuous analyte sensors and methods of making same
InactiveUS20110024043A1Low production costMinimize changesHot-dipping/immersion processesPretreated surfacesAnalyteSolvent
Described here are embodiments of processes and systems for the continuous manufacturing of implantable continuous analyte sensors. In some embodiments, a method is provided for sequentially advancing an elongated conductive body through a plurality of stations, each configured to treat the elongated conductive body. In some of these embodiments, one or more of the stations is configured to coat the elongated conductive body using a meniscus coating process, whereby a solution formed of a polymer and a solvent is prepared, the solution is continuously circulated to provide a meniscus on a top portion of a vessel holding the solution, and the elongated conductive body is advanced through the meniscus. The method may also comprise the step of removing excess coating material from the elongated conductive body by advancing the elongated conductive body through a die orifice. For example, a provided elongated conductive body 510 is advanced through a pre-coating treatment station 520, through a coating station 530, through a thickness control station 540, through a drying or curing station 550, through a thickness measurement station 560, and through a post-coating treatment station 570.
Owner:DEXCOM
Continuous analyte sensors and methods of making same
InactiveUS20110027453A1Low production costMinimize changesHot-dipping/immersion processesPharmaceutical containersAnalyteSolvent
Described here are embodiments of processes and systems for the continuous manufacturing of implantable continuous analyte sensors. In some embodiments, a method is provided for sequentially advancing an elongated conductive body through a plurality of stations, each configured to treat the elongated conductive body. In some of these embodiments, one or more of the stations is configured to coat the elongated conductive body using a meniscus coating process, whereby a solution formed of a polymer and a solvent is prepared, the solution is continuously circulated to provide a meniscus on a top portion of a vessel holding the solution, and the elongated conductive body is advanced through the meniscus. The method may also comprise the step of removing excess coating material from the elongated conductive body by advancing the elongated conductive body through a die orifice. For example, a provided elongated conductive body 510 is advanced through a pre-coating treatment station 520, through a coating station 530, through a thickness control station 540, through a drying or curing station 550, through a thickness measurement station 560, and through a post-coating treatment station 570.
Owner:DEXCOM
Electrosurgical probe having circular electrode array for ablating joint tissue and systems related thereto
InactiveUS6991631B2Low aspiration rateIncrease inhalation rateSurgical instruments for heatingTherapyMeniscal tissueElectrode array
Electrosurgical methods, systems, and apparatus for the controlled ablation of tissue from a target site, such as a synovial joint, of a patient. An electrosurgical probe of the invention includes a shaft, and a working end having an electrode array comprising an outer circular arrangement of active electrode terminals and an inner circular arrangement of active electrode terminals. The electrode array is adapted for the controlled ablation of hard tissue, such as meniscus tissue. The working end of the probe is curved to facilitate access to both medial meniscus and lateral meniscus from a portal of 1 cm. or less.
Owner:ARTHROCARE
Method and apparatus for processing wafer surfaces using thin, high velocity fluid layer
InactiveUS20050145265A1Efficient processingReducing unwanted fluidElectrolysis componentsDrying solid materials without heatHigh velocityBiomedical engineering
Among the many embodiment, in one embodiment, a method for processing a substrate is disclosed which includes generating a fluid layer on a surface of the substrate, the fluid layer defining a fluid meniscus. The generating includes moving a head in proximity to the surface, applying a fluid from the head to the surface while the head is in proximity to the surface of the substrate to define the fluid layer, and removing the fluid from the surface through the proximity head by a vacuum. The fluid travels along the fluid layer between the head and the substrate at a velocity that increases as the head is in closer proximity to the surface.
Owner:LAM RES CORP
System and method for all-inside suture fixation for implant attachment and soft tissue repair
A system for repairing a meniscus includes a suture including a first anchor, a second anchor, and a flexible portion connecting the first anchor and the second anchor. The flexible portion includes a self-locking slide knot between the first anchor and the second anchor. The system also includes a needle having a longitudinal extending bore and an open end. The bore is configured to receive the first anchor and the second anchor. The system further includes a pusher configured to be movable within the bore of the needle. The pusher is configured to (1) discharge the first anchor and the second anchor, and (2) push the self-locking slide knot after the discharge of the second anchor.
Owner:STRYKER CORP
Single unit surgical fastener and method
InactiveUS6039753AReduce riskAccurate measurementSuture equipmentsDiagnosticsMeniscal tissueEngineering
A single unit surgical fastener and system and method for repairing torn meniscus tissue in an arthroscopic, all-inside procedure. The desired length of the single unit surgical fastener is first determined by measuring the distance from the interior of the meniscus across the tear and across the joint capsule, and then a single unit surgical fastener of desired length is then inserted across the tear in one or more places through a curved, slotted cannula.
Owner:MEISLIN ROBERT
System and method for all-inside suture fixation for implant attachment and soft tissue repair
A system for repairing a meniscus includes a suture that includes a first anchor, a second anchor, and a flexible portion connecting the first anchor and the second anchor. The flexible portion includes a self-locking slide knot between the first anchor and the second anchor. The system also includes a needle having a longitudinal extending bore and an open end. The bore is configured to receive the first anchor and the second anchor. The system further includes a body portion operatively connected to the needle at a distal end of the body portion. The body portion has a lumen. The system also includes a pusher configured to rotate and slide within the lumen of the body portion and the longitudinal extending bore of the needle. The pusher has first and second stop surfaces, each of which is constructed and arranged to engage a proximal end of the body portion.
Owner:STRYKER CORP
Unitary surgical device and method
Unitary surgical devices (10) are disclosed. One group of the illustrated devices has a pair of biocompatible, bioresorbable anchors (16, 18) connected to fixed lengths suture. The anchors (16, 18) and fixed length of suture are connected to each other prior to surgery. Another group of unitary surgical devices has a pair of fixating mechanisms (15, 17) connected to a base (21) prior to surgery. The second group of illustrated devices generally includes extracellular matrix material either as part of the base (21) or supported on the base (21). The extracellular matrix material serves as tissue regenerating material. In the second group of unitary surgical devices, the fixating mechanisms illustrated generally comprise suture, anchors or pre-formed holes in the base. All of the illustrated unitary surgical devices are useful in repairing a damaged meniscus. The first group of unitary surgical devices can be used to approximate inner surfaces of a tear in the meniscus. The second group of devices can be used either as an insert to be placed between and approximated to the inner surfaces of the tear or as an insert to replace a void in the meniscus left after a menisectomy.
Owner:DEPUY PROD INC
Method for using magnetic particles in droplet microfluidics
ActiveUS20090283407A1Increasing concentration of targetReduce concentrationElectrostatic separatorsLiquid separation by electricityEngineeringDroplet microfluidics
Methods of utilizing magnetic particles or beads (MBs) in droplet-based (or digital) microfluidics are disclosed. The methods may be used in enrichment or separation processes. A first method employs the droplet meniscus to assist in the magnetic collection and positioning of MBs during droplet microfluidic operations. The sweeping movement of the meniscus lifts the MBs off the solid surface and frees them from various surface forces acting on the MBs. A second method uses chemical additives to reduce the adhesion of MBs to surfaces. Both methods allow the MBs on a solid surface to be effectively moved by magnetic force. Droplets may be driven by various methods or techniques including, for example, electrowetting, electrostatic, electromechanical, electrophoretic, dielectrophoretic, electroosmotic, thermocapillary, surface acoustic, and pressure.
Owner:RGT UNIV OF CALIFORNIA
Optical sampling interface system for in-vivo measurement of tissue
InactiveUS7606608B2Minimizes stateMinimizes variationDiagnostic recording/measuringSensorsCouplingTissue sample
An optical sampling interface system is disclosed that minimizes and compensates for errors that result from sampling variations and measurement site state fluctuations. Embodiments of the invention use a guide that does at least one of, induce the formation of a tissue meniscus, minimize interference due to surface irregularities, control variation in the volume of tissue sampled, use a two-part guide system, use a guide that controls rotation of a sample probe and allows z-axis movement of the probe, use a separate base module and sample module in conjunction with a guide, and use a guide that controls rotation. Optional components include an occlusive element and a coupling fluid.
Owner:GLT ACQUISITION
Meniscal repair device and method
InactiveUS20060280768A1Increase the itineraryEncourage healingBone implantTissue regenerationTissue repairInsertion stent
Methods and apparatus for treating meniscal tissue damage are disclosed, including a biocompatible meniscal repair device comprising a stent. The tissue repair device is adapted to be placed in contact with a defect in the meniscus and can preferably provide a structure for supporting meniscal tissue and / or encouraging tissue growth through contact with vascularized portions of the meniscus or as a conduit for introduction of exogenous healing therapies.
Owner:DEPUY SYNTHES PROD INC +1
Compositions for delivery of therapeutics into the eyes and methods for making and using same
ActiveUS20050031697A1Easy and cost-effective to manufactureEffectively and efficiently administeringBiocidePowder deliveryViscosityMeniscus
The present invention provides for compositions for administering a therapeutically effective amount of a therapeutic component. The compositions may include an ophthalmically acceptable carrier component; a therapeutically effective amount of a therapeutic component; and a retention component which may be effective to reduce wettability, induce viscosity, increase muco-adhesion, increase meniscus height on a cornea of an eye and / or increase physical apposition to a cornea of an eye of a composition.
Owner:ALLERGAN INC
Composition and method for the repair and regeneration of cartilage and other tissues
InactiveUS7148209B2Add supportImprove coagulation/solidificationBiocidePeptide/protein ingredientsAbnormal tissue growthRepair tissue
Owner:SMITH & NEPHEW ORTHOPAEDICS
Magnetic levitation stirring devices and machines for mixing in vessels
InactiveUS6357907B1Increase surface areaIncrease aerationTransportation and packagingMaterial analysis by optical meansMagnetic polesMagnetic stirrer
The invention provides a simple method, devices and several machines for simultaneously stirring and aerating thousands of vessels or wells of microplates in a robust manner and with economy. This method uses the simple principle of magnetic stirrers being levitated vertically when passed laterally or vertically through a strong horizontal dipole magnetic field. The dipole magnetic fields may be produced by using permanent magnets, electromagnets or a modulating / reversing electro-magnetic field. Each vessel contains a magnetic ball, disc, bar, dowel or other shape (stirrers) which in their magnetic attraction to the dipole magnetic field will cause the stirrers to levitate up in the vessel as the stirrer's magnetic poles attempt to align with the center of the dipole's magnetic field. The stirrers will fall to the bottom of the vessel by gravity or by changing the relative position of the levitating magnetic field to pull them down, or by passing the vessel laterally over another magnetic field. The up and down movement of the stirrers provides a vigorous mixing of the contents of many vessels at same time. If the level of the vessel's meniscus is situated so the stirrers pass through it on their way up and down, the air / liquid interface is significantly increased thereby significantly increasing aeration of the liquid.
Owner:V & P SCI
Methods and systems for processing a substrate using a dynamic liquid meniscus
InactiveUS6988327B2Increase in sizeHigh gradientDrying solid materials with heatDrying solid materials without heatEngineeringLiquid meniscus
Owner:LAM RES CORP
Systems and methods for electrosurgical treatment of fasciitis
InactiveUS20060189971A1Minimize and completely eliminate and damageExpand field of viewStentsHeart valvesFasciitisDamages tissue
Systems, apparatus, and methods are provided for promoting blood flow to a target tissue. In one aspect, the invention involves canalizing or boring channels, divots, trenches or holes through an avascular connective tissue, or through a tissue having sparse vascularity, such as a tendon or a meniscus, in order to increase blood flow within the tissue. In one method, an active electrode is positioned in close proximity to a target site on a tendon, and a high frequency voltage difference is applied between the active electrode and a return electrode to selectively ablate tendon tissue at the target site, thereby forming a channel or void in the tendon. The active electrode(s) may be moved relative to the tendon during, or after, the application of electrical energy to damage or sculpt a void within the tendon, such as a hole, channel, crater, or the like. In another aspect of the invention, an electrosurgical probe is used to elicit a wound healing response in a target tissue, such as an injured tendon, in order to stimulate vascularization of the target tissue. The present invention may also be used for vascularization of a torn or damaged tissue in conjunction with a surgical repair procedure.
Owner:ARTHROCARE
Lens assembly for an image sensor
ActiveUS7145736B2Reduce sensitivityImproved capability of restraining powerLensCamera lensConvex side
A lens assembly for an image sensor comprises an aperture, a first lens, a second lens and a third lens, which are arranged sequentially from the object side. The first lens is a planoconvex lens or a positive meniscus lens whose convex surface faces the object side; the second lens is a negative meniscus lens with a convex surface facing the image side and at least has an aspherical surface; and the third lens is a positive meniscus lens with a convex surface facing the object side and, at least, has an aspherical surface. The sensitivity of decentration and the aberration-correction effect of the whole lens assembly in accordance with the present invention can be effectively improved.
Owner:LARGAN PRECISION
Microfluidic system including a bubble valve for regulating fluid flow through a microchannel
InactiveUS6877528B2Effective controlEnhanced on-off switchingValve arrangementsSludge treatmentEngineeringActuator
A microfluidic system includes a bubble valve for regulating fluid flow through a microchannel. The bubble valve includes a fluid meniscus interfacing the microchannel interior and an actuator for deflecting the membrane into the microchannel interior to regulate fluid flow. The actuator generates a gas bubble in a liquid in the microchannel when a sufficient pressure is generated on the membrane.
Owner:CYTONOMEST
Methods and devices for repairing and anchoring damaged tissue
ActiveUS20110022084A1Decreases length of sutureShorten the lengthSuture equipmentsSurgical needlesDamages tissueMeniscal tissue
Methods and devices are provided for repairing a tear in a meniscus. A pair of fixation member each entailing a preformed knot configuration coupled together by a suture length. The fixation members are placed on the meniscal tissue with the suture length spanning the tear, the knot configurations are expanded to form anchoring knots and the suture length is shortened to close the tear.
Owner:DEPUY SYNTHES PROD INC
Tear dynamics measured with optical coherence tomography
A system and method are provided for measuring the thickness of a tear film layer and the heights of tear menisci around upper and lower eyelids of an eye. A plurality of images are acquired between consecutive blinks the eye using optical coherence tomography (OCT). The images depict the tear film layer and tear menisci as distinct from the cornea of the eye. In an embodiment, a plurality of reflectivity profiles from an OCT image are aligned and averaged. The difference between a first peak and a second peak of the average reflectivity profile is measured to determine the thickness of the tear film layer. The heights of the upper meniscus and the lower meniscus can also be measured from the same OCT image. In an embodiment, thickness measurements from the plurality of OCT images are combined. The measurements can be used to diagnose tear disorders, analyze treatments of dry eye and evaluate artificial tears.
Owner:UNIVERSITY OF ROCHESTER
Objective lens for endoscope, and imaging apparatus for endoscope using the same
InactiveUS7486449B2Enhance the imageGood mannersMicroscopesTelescopesRefractive indexConditional expression
A front group consists of two concave lenses. A rear group consists of: a positive lens in which the object-side surface has a larger radius of curvature; and a cemented lens configured by a positive lens in which the object-side surface has a larger radius of curvature, and a negative meniscus lens, the cemented lens having being positive as a whole. An objective lens satisfies the following conditional expressions:|dx / fF|≧3.0 (1)(f / f3)×ν3<23 (2)f2×(ν5−ν4) / {RA×(Bf+d5 / n5)}>7 (3)where dx is the distance between the groups, f, fF, and f3 are the focal lengths of the objective lens, the front group, and the lens, respectively, ν3, ν4, and ν5 are the Abbe numbers of the lenses, RA is the radius of curvature of the cementing surface between the lenses, Bf is the back focus, and d5 and n5 are the center thickness and refractive index with respect to the d-line of the lens.
Owner:FUJI PHOTO OPTICAL CO LTD
Biologic replacement for fibrin clot
InactiveUS6964685B2Increase contactResists premature degradationSurgical adhesivesPeptide/protein ingredientsExtra-ArticularExtracellular proteins
The invention provides compositions and methods for repairing intra-articular and extra-articular tissue including ligament, meniscus, cartilage, tendon, and bone. The method includes contacting the ends of an injured tissue from a patient with a composition. The repair composition includes soluble type 1 collagen, a platelet, and at least one of an extracellular protein and a neutralizing agent.
Owner:CHILDRENS MEDICAL CENT CORP
Multi-assay plate cover for elimination of meniscus
InactiveUS6074614AEliminate the problemHigh optical clarityChemical analysis using titrationWithdrawing sample devicesAssayOptical axis
A constant pathlength multi-assay plate cover for multi-assay plates, comprising, a flat top side and a flat bottom side, the bottom side having solid cylindrical projections of equal length extending downwardly from the flat bottom side, wherein each cylindrical projection is centered about the optical axis passing through a corresponding sample well of a multi-assay plate, thereby eliminating the meniscus and evaporation effects.
Owner:MOLECULAR DEVICES
Systems and methods for screen electrode securement
InactiveUS20100042095A1Expanded and enhanced electrosurgical operating parametersReliably securedSurgical instruments for heatingSurgical instruments for aspiration of substancesPresent methodElectrical connection
Systems and methods for securing a screen-type active electrode to the distal tip of an electrosurgical device used for selectively applying electrical energy to a target location within or on a patient's body. A securing electrode is disposed through the screen electrode and mechanically joined to an insulative support body while also creating an electrical connection and mechanical enagement with the screen electrode. The electrosurgical device and related methods are provided for resecting, cutting, partially ablating, aspirating or otherwise removing tissue from a target site, and ablating the tissue in situ. The present methods and systems are particularly useful for removing tissue within joints, e.g., synovial tissue, meniscus, articular cartilage and the like.
Owner:ARTHROCARE
Imaging lens
An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens having a convex object-side surface; a second negative refractive power lens having a concave image-side surface; a third positive refractive power lens having a convex image-side surface; a fourth negative refractive power lens having a concave image-side surface; a fifth positive refractive power lens as a meniscus lens having a convex image-side surface; a sixth lens as a meniscus double-sided aspheric lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens as a double-sided aspheric lens having a concave image-side surface near the optical axis.
Owner:TOKYO VISIONARY OPTICS CO LTD
Method for using magnetic particles in droplet microfluidics
Owner:RGT UNIV OF CALIFORNIA
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