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Method for preparing two-layer bicomposite collagen material for preventing post-operative adhesions
InactiveUS6596304B1Improve propertiesAvoid stickingPeptide/protein ingredientsSurgerySurgical operationPost operative
A bicomposite material based on collagen is prepared which has two closely bound layers and is biocompatible, non-toxic, hemostatic and biodegradable in less than a month, and can be used in surgery to achieve hemostasis and prevent post-surgical adhesion. To prepare the material, a solution of collagen or gelatin, which may contain glycerine and a hydrophilic additive such as polyethylene glycol or a polysaccharide, is poured onto an inert support to form a layer 30 .mu.m to less than 100 .mu.m thick. Then a polymeric porous fibrous layer is applied during gelling of the collagen or gelatin, and the resultant material is dried. The polymeric porous fibrous layer may be made of collagen or a polysaccharide, and have a density of not more than 75 mg / cm.sup.2, a pore size from 30 .mu.m to 300 .mu.m and a thickness of 0.2 cm to 1.5 cm.
Owner:IMEDEX BIOMATERIAUX CHAPONOST
Projection optical system and exposure apparatus having the projection optical system
InactiveUS20030030916A1Avoid stickingPhotomechanical exposure apparatusMicrolithography exposure apparatusOptical axisLength wave
A projection optical system according to the present invention whose image side numerical aperture is greater than or equal to 0.75, and which forms an image of a first object upon a second object using light of a predetermined wavelength less than or equal to 300 nm, comprises: a first lens group G1 of positive refractive power; a second lens group G2 of negative refractive power; a third lens group G3 of positive refractive power; and a fourth lens group G4 of positive refractive power, and: the first lens group G1, the second lens group G2, the third lens group G3 and the fourth lens group G4 are arranged in order from a side of the first object; and a distance D in mm along an optical axis between an optical surface of the fourth lens group G4 closest to the second object, and the second object, satisfies a condition of 0.1<D<5.
Owner:NIKON CORP
Contact printing using a magnified mask image
InactiveUS20050068639A1Avoid stickingPhotomechanical exposure apparatusMicrolithography exposure apparatusRefractive indexOff-axis illumination
Improvements in the fabrication of integrated circuits are driven by the decrease of the size of the features printed on the wafers. Current lithography techniques limits have been extended through the use of phase-shifting masks, off-axis illumination, and proximity effect correction. More recently, liquid immersion lithography has been proposed as a way to extend even further the limits of optical lithography. This invention described a methodology based on contact printing using a projection lens to define the image of the mask onto the wafer. As the imaging is performed in a solid material, larger refractive indices can be obtained and the resolution of the imaging system can be increased.
Owner:APPLIED MATERIALS INC
Film deposition apparatus and film deposition method
ActiveUS8506713B2Efficient solutionImprove uniformitySemiconductor/solid-state device manufacturingChemical vapor deposition coatingEngineeringDeposition process
Owner:TOKYO ELECTRON LTD
Projection optical system and exposure apparatus having the projection optical system
InactiveUS6633365B2Avoid stickingPhotomechanical exposure apparatusMicrolithography exposure apparatusOptical axisLength wave
A projection optical system according to the present invention whose image side numerical aperture is greater than or equal to 0.75, and which forms an image of a first object upon a second object using light of a predetermined wavelength less than or equal to 300 nm, comprises: a first lens group G<HIL><PDAT>1 < / BOLD><PDAT>of positive refractive power; a second lens group G<HIL><PDAT>2 < / BOLD><PDAT>of negative refractive power; a third lens group G<HIL><PDAT>3 < / BOLD><PDAT>of positive refractive power; and a fourth lens group G<HIL><PDAT>4 < / BOLD><PDAT>of positive refractive power, and: the first lens group G<HIL><PDAT>1, < / BOLD><PDAT>the second lens group G<HIL><PDAT>2, < / BOLD><PDAT>the third lens group G<HIL><PDAT>3 < / BOLD><PDAT>and the fourth lens group G<HIL><PDAT>4 < / BOLD><PDAT>are arranged in order from a side of the first object; and a distance D in mm along an optical axis between an optical surface of the fourth lens group G<HIL><PDAT>4 < / BOLD><PDAT>closest to the second object, and the second object, satisfies a condition of 0.1<D<5.
Owner:NIKON CORP
Film deposition apparatus and film deposition method
ActiveUS20100279008A1Efficient solutionHigh in-plane uniformitySemiconductor/solid-state device manufacturingChemical vapor deposition coatingEngineeringTransfer mechanism
The present invention is a film deposition apparatus configured to deposit a film on a substrate that has been loaded into a vacuum container via a transfer opening and placed on a table in the vacuum container, by supplying a process gas to the substrate from a process-gas supply part opposed to the table under a vacuum atmosphere, while heating a table surface of the table, the film deposition apparatus comprising: an elevating mechanism configured to vertically move the table between a process position at which the substrate is subjected to a film deposition process, and a transfer position at which the substrate is transferred to and from an external transfer mechanism that has entered from the transfer opening; a surrounding part configured to surround the table with a gap therebetween, when the table is located at the process position, so that the surrounding part and the table divide an inside of the vacuum container into an upper space, which is located above the table, and a lower space, which is located below the table; a vacuum exhaust conduit in communication with the upper space, through which a process atmosphere in the upper space is discharged to create a vacuum in the upper space; a heating unit configured to heat a gas contact region ranging from the upper space to the vacuum exhaust conduit, to a temperature higher than a temperature allowing adhesion of reactant; and a heat insulation part disposed between the heating unit and a lower part of the vacuum container surrounding the lower space.
Owner:TOKYO ELECTRON LTD
Susceptor and method for manufacturing silicon epitaxial wafer
ActiveUS20100129990A1Avoid stickingPolycrystalline material growthLiquid surface applicatorsSusceptorWafering
Provided is a susceptor 13 for manufacturing an epitaxial wafer, comprising a mesh-like groove 13b on a mount face on which a silicon substrate W is to be mounted, wherein a coating H of silicon carbide is formed on the mount face, and the coating has a surface roughness of 1 μm or more in centerline average roughness Ra and a maximum height of a protrusion 13p generated in forming the coating H of 5 μm or less. Thus, defects such as warping and slip as well as adhesion of the silicon substrate to the susceptor are prevented.
Owner:SHIN-ETSU HANDOTAI CO LTD
Methods and compositions for reducing or eliminating post-surgical adhesion formation
The present invention relates to a method for reducing adhesions associated with post-operative surgery. The present method comprises administering or affixing a polymeric composition preferably comprising chain extended, coupled or crosslinked polyester / poly(oxyalkylene) ABA triblocks or AB diblocks having favorable EO / LA ratios to a site in the body which has been subjected to trauma, e.g. by surgery, excision or inflammatory disease. In the present invention, the polymeric material provides a barrier to prevent or reduce the extent of adhesions forming.
Owner:YISSUM RES DEV CO OF THE HEBREW UNIV OF JERUSALEM LTD
Plasma processing apparatus with insulated gas inlet pore
ActiveUS7712435B2Low reliabilityReduce throughputElectric discharge tubesSemiconductor/solid-state device manufacturingGas passingProduct gas
A plasma processing apparatus includes: a reaction chamber; two electrodes provided inside the reaction chamber for generating a plasma therebetween, wherein at least one of the electrodes has at least one gas inlet pore through which a gas is introduced into the reaction chamber; and a gas inlet pipe coupled to the gas inlet pore for introducing the gas into the reaction chamber. The gas inlet pipe is grounded and insulated from the gas inlet pore, wherein an insulation member is placed inside the gas inlet pipe and the gas inlet pore.
Owner:ASM JAPAN
Gas Supplying unit and substrate processing apparatus
InactiveUS20070131168A1Avoid stickingImprove maintainabilityElectric discharge tubesSemiconductor/solid-state device manufacturingProcess engineeringProduct gas
The invention relates to a gas supplying unit to be arranged to hermetically fit in an opening formed at a ceiling part of a processing container for conducting a process to a substrate. The gas supplying unit includes a plurality of nickel members. A large number of gas-supplying holes is formed at a lower surface of the gas supplying unit, a process gas is adapted to be supplied from the large number of gas-supplying holes into the processing container, and the plurality of nickel members is fixed to each other via an intermediate member for preventing sticking made of a material different from nickel.
Owner:TOKYO ELECTRON LTD
Apparatus and methods for the selective removal of tissue using combinations of ultrasonic energy and cryogenic energy
InactiveUS7572268B2Improve cooling effectAvoid stickingUltrasonic/sonic/infrasonic diagnosticsUltrasound therapyUltrasound deviceUltrasound energy
An ultrasonic apparatus and method is provided for the selective and targeted removal of unwanted tissues. The apparatus and methods may utilize combinations of ultrasonic and cryogenic energy for the selective removal tissue. The apparatus generates and delivers to the tissue cryogenic and ultrasonic energy either in combination or in sequence, provides resize ablation of unwanted tissue parts, and may be used on various body tissues including internal organs.
Owner:BACOUSTICS LLC
Fluid volume determination for medical treatment system
ActiveUS20110071465A1Deformation MinimizationPreventing sticking of the membraneMechanical/radiation/invasive therapiesFlexible member pumpsPump chamberMathematical model
A volume of fluid moved by a pump, such as a pump in an APD system, may be determined without direct measurement of the fluid, such as by flow meter, weight, etc. For example, a volume of a pump chamber (181) (having a movable element that varies the volume of the pump chamber) may be determined by measuring pressure in the pump chamber and a reference chamber, both while the two chambers are isolated from each other, and after the two chambers are fluidly connected so that pressures in the chambers may equalize. Equalization of the pressures may be assumed to occur in an adiabatic way, e.g., a mathematical model of the system that is based on an adiabatic pressure equalization process may be used to determine the pump chamber volume. In one embodiment, pressures measured after the chambers are fluidly connected may be measured at a time before complete pressure equalization has occurred, and thus the pressures for the pump and reference chambers measured after the chambers are fluidly connected may be unequal, yet still be used to determine the pump chamber volume.
Owner:DEKA PROD LLP
Multiple tape laying apparatus and method
ActiveUS20050061422A1Satisfactory depositionAvoid stickingLamination ancillary operationsPaper/cardboard articlesFiberMultiple layer
A fully automated method and apparatus is disclosed to laminate various structural articles with multiple layers of a resin impregnated fiber tape. The fiber tape is deposited with a tape laying member moving alternately in different travel directions. The tape laying member removes all backing layers from the tape being employed, then deposits the unbacked tape on the surface of the structural article and finally severs the end of the tape being deposited. An automated cut and restart procedure is employed in the present apparatus to increase throughput.
Owner:TRELLEBORG SEALING SOLUTIONS GERMANY
Plasma processing apparatus and gas supply device for plasma processing apparatus
ActiveUS20120186521A1Reduce supply amountEfficiently formSemiconductor/solid-state device manufacturingChemical vapor deposition coatingForming gasPlasma processing
A plasma processing apparatus 31 includes a processing chamber 32; a gas supply unit 33 for supplying a plasma processing gas into a processing chamber 32; a mounting table 34 configured to hold the target substrate W thereon; a plasma generating device 39 configured to generate plasma within the processing chamber 32; and a gas supply device 61. The gas supply device 61 includes a head unit 62 configured to move between a first position above the mounting table 34 and a second position different from the first position and to supply a gas, and the head unit 62 is configured to supply a film forming gas to a small-volume region formed between the mounting table 34 and the head unit 62 when the head unit 62 is positioned at the first position and to adsorb the film forming gas on the target substrate W.
Owner:TOKYO ELECTRON LTD
Method of preparing an intraocular lens for implantation
InactiveUS6884261B2SeparationEasy to separateEye surgeryOptical articlesIntraocular lensOptical axis
There is disclosed a method of preparing an accommodating intraocular lens having an optical axis for subsequent implantation. The method comprises providing an intraocular lens having first and second viewing elements interconnected by plural members. At least a portion of the members are disposed from the optical axis by a distance greater than a periphery of at least one of the viewing elements. The distance is measured orthogonal to the optical axis. The method further comprises drawing the members inwardly toward the optical axis by relatively rotating the first and second viewing elements. The method further comprises increasing the separation between the viewing elements along the optical axis while drawing the members inwardly.
Owner:VISIOGEN
Implantable wireless sensor
InactiveUS20050187482A1Improve stabilityAvoid stickingEndoradiosondesCatheterLine sensorEndovascular aneurysm repair
The progress of a endovascular aneurysm repair can be monitored by inserting a pressure transducer sensor using a catheter into the sac during endovascular aneurysm repair and then using a small, hand-held read out device to measure pressure easily, safely, inexpensively and accurately. In one aspect a sensor is introduced into the body by the steps of loading the sensor into a catheter, and deploying into the aneurysm sac. This invention also has other applications for measuring physical properties in patients or in other sites.
Owner:CARDIOMEMS
Substrate processing apparatus
ActiveUS8443484B2Avoid stickingPrevent surfaceMechanical cleaningPressure cleaningProcess engineeringIndustrial engineering
To automatically purge a transfer chamber by means of inert gas. There is provided a substrate processing apparatus including a controller that performs control so that a transfer chamber 102 connected to a processing chamber 202 for processing a substrate is purged by gas, the controller having a switching unit that switches a function of exhausting the gas in the transfer chamber 102 in a set direction, and a function of circulating the gas through the transfer chamber 102 in an inert gas atmosphere.
Owner:KOKUSA ELECTRIC CO LTD
Sensor dispensing device
ActiveUS7264139B2Reduce problemPrevent stickCoin-freed apparatus detailsFilament handlingBiomedical engineeringMoisture
A sensor dispensing device (1) comprises a cartridge (2) having an outer casing (11) and a plurality of sensors (6) arranged one upon another in a stack. The cartridge has a first dispensing end (13) and a second opposing end (14) spaced a fixed distance apart, and the cartridge includes a first aperture (15) for the ejection of a sensor closest to the first end and a second aperture (16) opposed to the first aperture, for access by a pushing member (25). The first aperture and the second aperture are each provided with compliant sealing means (17) which are at least partly disposed outside the outer casing. The sealing means have first and second sealing surfaces which are capable of co-operating to releasably form a substantially moisture-tight seal when acted upon by suitable clamping forces. The device has a housing (34) for receiving the cartridge. For each of the compliant sealing means (17) there is a pair of clamping members (4, 33) for releasably clamping the sealing means to form a substantially moisture-tight seal. The device has a pushing member (25) for reversible insertion through the second aperture when the sealing means are not clamped, for pushing the sensor closest to the first end through the first aperture to a dispensed position.
Owner:ARKRAY INC
Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof
ActiveUS20110053284A1Avoid stickingChemiluminescene/bioluminescenceMaterial analysis by electric/magnetic meansBiopolymerElectron
Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof. Nanopores are extremely sensitive single-molecule sensors. Recently, electron beams have been used to fabricate synthetic nanopores in thin solid-state membranes with sub-nanometer resolution. A new class of chemically modified nanopore sensors are provided with two approaches for monolayer coating of nanopores by: (1) self-assembly from solution, in which nanopores −10 nm diameter can be reproducibly coated, and (2) self-assembly under voltage-driven electrolyte flow, in which 5 nm nanopores may be coated. Applications of chemically modified nanopore are provided including: the detection of biopolymers such as DNA and RNA; immobilizing enzymes or other proteins for detection or for generating chemical gradients; and localized pH sensing.
Owner:TRUSTEES OF BOSTON UNIV
Accommodating intraocular lens system with separation member
InactiveUS7198640B2SeparationEasy to separateOptical articlesIntraocular lensIntraocular lensOptical axis
There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and / or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.
Owner:VISIOGEN
Air filter
InactiveUS6843819B2Low costEfficient captureCombination devicesDispersed particle filtrationHigh densityAir filter
There is provided an air filter, which has a long lifetime and permits to capture effectively carbon particles and reduce costs. The air filter has the first filter layer 11 impregnated with oil and the second filter layer 12, which is provided on the downstream side of the first filter layer 11 and serves as a lipophobic layer having an oil-repellent property. The filter material of the first filter layer 11 has a higher density than the filter material of the second filter material 12.
Owner:TOYO ROKI MFG CO LTD +1
Epitaxial growth film formation method
ActiveUS8404044B2Avoid stickingAvoid formingAfter-treatment apparatusPolycrystalline material growthEngineeringVapor growth
An epitaxial growth film formation method allowing to adequately prevent the sticking phenomenon spreading over both a wafer and a susceptor when a horizontal disc-like susceptor is used to form an epitaxial growth film is provided. The epitaxial growth film formation method is a method of forming a vapor growth film on the wafer by placing the wafer having a diameter smaller than that of the susceptor approximately horizontally in substantially a center section on the horizontal disc-like susceptor, wherein the vapor growth film is formed on the wafer by bringing a circumferential recess step adjacent to a bottom inside from an edge part of the wafer and a convex step provided on a circumference of an upper surface inside from the edge part of the susceptor into contact.
Owner:NUFLARE TECH INC
Vapor Heating Type Cooking Apparatus
InactiveUS20070209656A1Avoid stickingImprove the inconvenienceLighting and heating apparatusCooking-vessel lids/coversInterior spaceWater discharge
The present invention relates to a vapor heating type cooking apparatus cooking food materials using high pressure vapor as a heat source. A vapor heating type cooking apparatus includes: a vapor supply section generating the high pressure vapor; a vapor supply pipe and a vapor discharge pipe for introducing and discharging the high pressure vapor; a body section including a vapor introduction opening connected to the vapor supply pipe, an interior space having a dual structure so as to circulate the high pressure vapor in the caldron in which food materials are accommodated, a vapor discharge opening provided between the interior space and the vapor discharge pipe; a cooling water supply pipe and a hot water discharge pipe; a lid section including a cooling water introduction opening connected to the cooling water supply pipe, a storage space having a dual structure, in which the cooling water is temporarily stored, and a hot water discharge opening provided between the storage space and the hot water discharge pipe; and a control section for controlling introduction and discharge of the high pressure vapor, the cooling water, and the hot water.
Owner:LEE WON KI
Insulating Boot for Electrosurgical Forceps with Exohinged Structure
ActiveUS20090088749A1Improve rigidityImprove scalabilitySurgical instruments for heatingSurgical forcepsDissection forcepsEngineering
An electrosurgical forceps includes a shaft having a pair of jaw members at a distal end thereof that are movable about a pivot from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members are closer to one another for grasping tissue. A movable handle is included that actuates the shaft to move the jaw members relative to one another. One or both of the jaw members are adapted to connect to a source of electrical energy such that the jaw members are capable of conducting energy to tissue held therebetween. An insulating boot is disposed on at least a portion of an exterior surface of one or both jaw members, about the pivot and at a distal end of the shaft. The insulating boot includes an inner flexible portion and an outer shell that is operably engaged with one or both of the pair of jaw members.
Owner:TYCO HEALTHCARE GRP LP
Contact lens package
ActiveUS7426993B2Reduced tendency to stick togetherReduce effortOther accessoriesContainer/bottle contructionLiquid mediumEngineering
Owner:COOPERVISION INT LTD
Polysaccharide-based polymer tissue adhesive for medical use
ActiveUS20060078536A1Prevent adhesionAvoid stickingSurgical adhesivesEther/acetal active ingredientsAnti adhesiveTissue adhesives
Tissue adhesives formed by reacting an oxidized polysaccharide with a water-dispersible multi-arm polyether amine, wherein at least three of the arms are terminated by primary amine groups, are disclosed. The use of the tissue adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; drug delivery; anti-adhesive applications; and as a bulking agent to treat urinary incontinence are described.
Owner:ACTAMAX SURGICAL MATERIALS
Functionalized derivatives of hyaluronic acid, formation of hydrogels in situ using same, and methods for making and using same
InactiveUS6630457B1Assay sensitivityPromote regenerationOrganic active ingredientsBiocideDrug deliveryTissue adhesives
Methods for chemical modification of hyaluronic acid, formation of amine or aldehyde functionalized hyaluronic acid, and the cross-linking thereof to form hydrogels are provided. Functionalized hyaluronic acid hydrogels of this invention can be polymerized in situ, are biodegradable, and can serve as a tissue adhesive, a tissue separator, a drug delivery system, a matrix for cell cultures, and a temporary scaffold for tissue regeneration.
Owner:ORTHOGENE
Polyester compositions for calendering
Polyester compositions that provide a higher throughput in calendering processes may be prepared from a polyester having crystallization half time of at least 5 minutes, an inherent viscosity of about 0.55 to about 0.75 dL / g, a branching monomer, and a release additive. The polyester compositions show a combination of excellent melt strength with good shear response that permits higher calendering line speeds before melt fracture occurs. Also disclosed are processes for film or sheet by calendering the above compositions and the film or sheet produced therefrom. The polyester compositions, film, or sheet also may include plasticizers and / or flame retardants to increase their flexibility and enable their use in commercial applications requiring flame resistance. The film and sheet have excellent appearance and can be used in a wide range of decorative and packaging applications.
Owner:EASTMAN CHEM CO
Electric operation apparatus
InactiveUS7172591B2Satisfactory coagulation abilityAvoid carbonizationControlling energy of instrumentSurgical instruments for heatingEngineeringControl circuit
When a user steps on a footswitch, high-frequency output power is delivered. A control circuit included in a diathermic power supply calculates the impedance ZSn that is offered by a living tissue immediately after delivery of high-frequency output power is started during the n-th delivery period. The control circuit also calculates the impedance ZEn that is offered thereby immediately before delivery of high-frequency output power is discontinued with elapse of predetermined time. The control circuit then discontinues delivery of high-frequency output power for the predetermined time, and calculates a difference ΔZn between the impedances. When the difference meets a predetermined condition that implies coagulation or when the number of times of delivery reaches a predetermined value, the control circuit discontinues delivery of high-frequency output power.
Owner:OLYMPUS CORP
Direct compression metformin hydrochloride tablets
InactiveUS6117451AGood compressibilityImproved flowabilityPowder deliveryBiocideMetformin HydrochlorideHigh doses
Metformin Hydrochloride (herein referred to as metformin HCl) that may be 98.5%-100% pure is a high dose drug capable of being directly compressed with specific excipients into tablets having desired, hardness, disintegrating ability, and acceptable dissolution characteristics. Metformin HCl is not inherently compressible and thus presents formulation problems. Excipients used in the formulation enhance the flow and compaction properties of the drug and tableting mix. Optimal flow contributes to uniform die fill and weight control. The binder used ensures sufficient cohesive properties that allow metformin HCl to be compressed using the direct compression method. The tablets produced provide an acceptable in-vitro dissolution profile.
Owner:PHARMALOGIX
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