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39results about How to "Minimizes shear force" patented technology
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Radial design oxygenator with heat exchanger
ActiveUS20100274170A1Easy to useReduce areaOther blood circulation devicesMedical devicesOxygenatorsGas exchange
Disclosed is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit. The apparatus has an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus. The apparatus comprises: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the inlet; a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core and between which blood from the core can move radially outward; and an oxygenator comprising a plurality of gas exchange elements that are arranged around the heat exchanger and between which blood from the heat exchanger can move radially outward before exiting the apparatus through the outlet.
Owner:MEDTRONIC INC
Method of making radial design oxygenator with heat exchanger
InactiveUS20100269342A1Reduce areaReduce recirculationSemi-permeable membranesMembranesPlate heat exchangerNuclear engineering
Described is a method of making an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the steps comprising: providing a core through which blood can be supplied to the apparatus from a patient; providing a heat exchanger about the core such that blood from the core can move radially outward through the heat exchanger; providing an oxygenator about the heat exchanger such that blood from the heat exchanger can move radially outward through the oxygenator; and placing the core, heat exchanger and oxygenator in a housing that includes an inlet in communication with the core and an outlet that is located radially outward from the inlet in order to define a flowpath for blood through the apparatus.
Owner:MEDTRONIC INC
Radial design oxygenator with heat exchanger and inlet mandrel
Described is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit, the apparatus having an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus, the apparatus comprising: a core in communication with the inlet such that blood from a patient can be supplied to the core, the core comprising a first element and a second element that interfit to define openings, wherein the elements and the openings together enhance flow of blood from the patient radially outward from the core; a heat exchanger that is arranged about the core and through which blood from the core can move radially outward; and an oxygenator that is arranged about the heat exchanger and through which blood from the heat exchanger can move radially outward before exiting the apparatus through the outlet.
Owner:MEDTRONIC INC
Effect of air baffle design on mottle in solvent coatings
InactiveUS6018886AIncrease speedEliminate the effects ofDrying using combination processesDrying solid materials with heatSolventCoating
Apparatus for drying coated web material and preferably moving web material comprises a nozzle, means for supplying air to the nozzle and means to distribute the air through said nozzle substantially uniformly across the web width, said nozzle arcing from a position perpendicular with respect to the plane of the web to a position substantially parallel with respect to the plane of the web, said nozzle having an exit slot wherein the air is discharged from the exit slot at an angle of between 1 DEG and 45 DEG with respect to the plane of the web.
Owner:EASTMAN KODAK CO
Radial flow oxygenator/heat exchanger
InactiveUS20100272606A1Reduce areaReduce recirculationOther blood circulation devicesControl devicesOxygenatorsOxygen
Described is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit comprising: an inlet mandrel that is configured such that the blood moves radially outward from the inlet mandrel through the openings in a radial direction; a heat exchanger arranged around the inlet mandrel, wherein blood can move radially outward with the transfer of heat to or from the blood; an oxygenator arranged around the heat exchanger, wherein blood can move from the heat exchanger radially outward with the transfer of oxygen into the blood; and a housing that houses the inlet mandrel, the heat exchanger and the oxygenator, and that comprises a blood inlet in communication with the inlet mandrel in order to allow blood to enter the apparatus from the patient, and a blood outlet in communication with the oxygenator in order for blood to exit the apparatus, wherein the blood outlet is located in the housing radially outward from the inlet.
Owner:MEDTRONIC INC
Drive wheel for track apparatus
InactiveUS20020130552A1Not to damageMinimizes shear forceConveyorsInternal framesDrive wheelClassical mechanics
A drive wheel engaged with flexible track of track apparatus mountable on a vehicle axle, the drive wheel including a peripheral portion which, between radially-extending drive members, has outwardly-facing lug-engagement surfaces in position for engagement with the distal surfaces of the track lugs, to extend the useful life of flexible track. Preferred embodiments have spaces facilitating removal of debris. Certain preferred lug-engaging surfaces are provided by peripherally-spaced cross-members. The drive wheel is preferably free of side structure, allowing track lugs to adjust precise positions of engagement with lug-engagement surfaces.
Owner:ATI TECH INC
Compression device in combination with lower limb protection
ActiveUS20120316481A1Minimize leg rotation and lockingReduce pressureBlood stagnation preventionPneumatic massageCompression deviceEngineering
The present invention relates to a support for a body part including a compression device in combination with a lower leg protection system. The compression device can be integral with the outer support at a position received over the lower leg. One or more valves can extend from a compression bladder for attachment to a pneumatic device. Inflation of the compression bladder positioner adjacent the lower leg also displaces air in the outer support toward the foot which causes simultaneous massaging of the foot. The pneumatic device can be adjusted to provide either sequential or intermittent therapies.
Owner:MOLNLYCKE HEALTH CARE AB
Exhaust gas and gas scrubber fluid cleaning equipment and method
ActiveUS20130037493A1Minimization requirementsReduce decreaseIon-exchanger regenerationExhaust apparatusEngineeringProduct gas
Exhaust gas cleaning equipment including a gas scrubber and a scrubber fluid cleaning equipment for cleaning polluted scrubber fluid. The scrubber fluid cleaning equipment includes a centrifugal separator for separating at least a pollutant phase and a cleaned scrubber fluid from said polluted scrubber fluid. The centrifugal separator has a rotor enclosing a separation space with a stack of separating discs, a separator inlet for polluted scrubber fluid extending into said separation space, a first separator outlet for cleaned scrubber fluid extending from said separation space, and a second separator outlet for the pollutant phase extending from said separation space.
Owner:ALFA LAVAL CORP AB
Solids discharge centrifugal separator with disposable contact elements
ActiveUS20100167899A1Effective recoveryLow-shear fillingDispersed particle separationRotary centrifugesEngineeringContact element
A hermetically sealed solids discharge centrifugal separator exhibits low-shear filling, acceleration, and separation of feed material. The separator can be particularly useful for separation and recovery of sensitive solids such as chemical or biological substances. The separator accommodates disposable sample contacting elements to eliminate the need for clean-in-place and sterilize-in-place operations. Some embodiments of the separator feature dual solids discharge pistons, which fully optimize recovery of valuable solids.
Owner:CARR ROBERT BRET
Radial design oxygenator with heat exchanger
ActiveUS8545754B2Reduce areaReduce recirculationDialysis systemsMedical devicesPlate heat exchangerEngineering
Disclosed is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit. The apparatus has an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus. The apparatus comprises: a core that is substantially centrally located in the apparatus and to which blood from a patient can be supplied through the inlet; a heat exchanger comprising a plurality of heat transfer elements that are arranged around the core and between which blood from the core can move radially outward; and an oxygenator comprising a plurality of gas exchange elements that are arranged around the heat exchanger and between which blood from the heat exchanger can move radially outward before exiting the apparatus through the outlet.
Owner:MEDTRONIC INC
A clot retrieval system for removing occlusive clot from a blood vessel
ActiveUS20190167287A1Minimizes shear forceFacilitate easy entryStentsBalloon catheterBlood vessel spasmBlood vessel
A clot capture catheter comprises an elongate tubular shaft having a proximal end, a distal end and an inflatable expansile member at the distal end. The expansile member is inflatable from a collapsed delivery configuration to an expanded configuration. In the expanded configuration, the expansile member extends to define a funnel shape having an enlarged distal clot entry mouth at the distal-most end of the catheter. In the expanded configuration, the expansile member may extend distally beyond the distalmost tip of the shaft. The expansile member may be integral with the distal tip of the catheter shaft.
Owner:NEURAVI
Protective clothing
InactiveUS20100325766A1Avoid easy removalProvide protectionTrousersProtective garmentEngineeringLarge legs
An article of protective clothing for use by a motorcyclist, or the like, wherein there is attached on the inside surface of the clothing, a knitted or woven material which is comprised of a material that is highly abrasion and / or tear and / or burst resistant and is secured to an inner-side of the clothing at one or more side seams of the garment. The abrasion resistant material is attached to an inner surface of the clothing by being sewn along at least one inside seam away from a waist portion of the clothing so as to limit the outward modification of an otherwise normal garment to a casual observer while still providing protection in the event the rider is caused to be sliding along the ground. By this means, the article of clothing is relatively indistinguishable from regular clothing. The article of clothing includes a pair of trousers with an inner protective abrasion resistant panel, which extends across a knee area and then up the side of the clothing along a thigh area to a hip and then around a bottom area to then return down the side of the other leg to the portion extending around the knee area.
Owner:BECON
Individualized endosseous dental implant
InactiveUS20130323677A1Minimize functionReduce numberDental implantsDental implantBiocompatible material
The instant invention is an individualized anatomic tooth root implant comprised of zirconia oxide or other biocompatible material, manufactured to very closely approximate an extracted tooth root and the existing extracted tooth root socket morphology. By so doing, invasive drilling and other dental procedures can be avoided. The implant consists of single or multiple root(s), the main implant body, a custom built abutment, and a dental prosthesis (crown), cemented to the abutment once sufficient healing and osseointegration has occurred. The the instant invention will have user defined additions and subtractions with circumferential grooves and ridges cut into the implant body below the coronal lip to insure better fit and retention.
Owner:PEARSON THOMAS STEWART
Radial Design Oxygenator with Heat Exchanger and Integrated Pump
InactiveUS20100272604A1Increases overall performance and efficiencyLower overall pressure dropOther blood circulation devicesBlood pumpsOxygenatorsGas exchange
Disclosed is an apparatus for oxygenating and controlling the temperature of blood in an extracorporeal circuit. The apparatus has an inlet and an outlet that is located radially outward from the inlet in order to define a flowpath through the apparatus. The apparatus comprises at least one integrated pump that is provided in a core of the apparatus and to which blood from a patient can be supplied through the inlet; a heat exchanger comprising a plurality of heat transfer elements that are arranged around the at least one integrated pump and between which blood from the at least one integrated pump can move radially outward; an oxygenator comprising a plurality of gas exchange elements that are arranged around the heat exchanger and through which blood from the heat exchanger can move radially outward; and an optional filter arranged around the oxygenator and through which blood from the oxygenator can move radially outward before exiting the apparatus through the outlet.
Owner:MEDTRONIC INC
Compression device in combination with lower limb protection
ActiveUS9119760B2Minimize leg rotation and lockingReduce pressureBlood stagnation preventionPneumatic massageCompression deviceEngineering
Owner:MOLNLYCKE HEALTH CARE AB
Stair tread overlay and method
ActiveUS8141321B2Resist damageMinimizes shear forceTreadsMetal-working apparatusAdhesiveTongue and groove
Owner:ARCELORMITTAL INVESTIGACION Y DESARROLLO SL
Boot for Ulcer Treatment
A boot for the treatment of an ulcer wherein the boot is comprised of at least 80% by weight of closed cell polyethylene. The boot comprises a single article and covers a foot and lower part of the leg of a person. An interior surface of the boot is vacuum and heat molded to the foot and lower leg of the person, and a cut out is formed to surround the ulcer of the person. This off loads the weight of the person from the site of the ulcer, and the custom molding minimizes any slipping and shearing forces on the ulcer. The boot is lightweight, easy to put on and take off, and less expensive than other healing boots available.
Owner:HEALING SOLUTIONS
Method and system for fluidized lower leg protection
ActiveUS8858478B2Minimize leg rotation and lockingKeep the leg comfortable longerOperating chairsPneumatic massageSupporting systemSignificant elevation
The present invention relates to a fluidized lower leg protection and support system and method. The system can include an inner positioner. The inner positioner can displace and contour three-dimensionally as though it was fluid to the sides and top of the leg while not having flow characteristics that would result in migration of the medium under the force of gravity. The system can also include an outer support which is received over the inner positioner. The outer support can be in the shape of an open boot. The outer support can include an ultra low pressure plenum. The ultra low pressure plenum is filled at a predetermined low pressure for distributing pressure along the length of the outer support, but not providing significant elevation of the lower leg and heel by itself.
Owner:MOLNLYCKE HEALTH CARE AB
Low shear process for producing polymer composite fibers
ActiveUS20160303779A1Improve the level ofUniform diameterAdditive manufacturing apparatusFilament forming substance formingFiberManufacturing technology
A method for producing a polymer composite fiber comprised of a polymer matrix with filaments incorporated therein whose lengthwise dimensions are substantially oriented with the axial dimension of the composite fiber, the method comprising subjecting a melt comprised of a polymer matrix and filaments to an extrusion process in which the melt is extruded into a fibrous form in the absence of screw extruders and in the substantial absence of shear forces that result in breakage of the filaments, followed by cooling and solidification of the extruded melt to provide the polymer composite fiber. Integration of these polymer composite fibers with additive manufacturing technologies, particularly rapid prototyping methods, such as FFF and 3D printing, are also described. The resulting polymer composite fibers and articles made thereof are also described.
Owner:UT BATTELLE LLC
BioRoot(R) anatomic endosseous dental implant
InactiveUS20160270887A1Improve stress conditionUtilized quickly and simplyDental implantsExtracted toothAbutment
The BioRoot® anatomic endosseous dental implant begins as a block of yttria-stabilized, zirconia oxide (MOL3% Y3ZrO2) that is milled and processed into a single piece dental implant with a custom built abutment to which a dental prosthesis can be attached after a three to four month osseointegration period, with unique retention devices that can be round, ovoid, or oblong-shaped, of any size desired with a varied number of holes (See Drawings FIGS. 1, 1 and 2, FIGS. 2, 1 and 2, and FIGS. 3, 1 and 2) which through the osseointegration process will become anchors between the implant surface and the alveolar walls of the extracted tooth root socket that minimize bone resorption, increase bone-to-implant contact, increase initial implant stability and enhance overall osseointegration.
Owner:PEARSON THOMAS STEWART
Elevator rope arrangement
Elevator rope arrangement in which the elevator car and counterweight, travelling along guide rails in an elevator shaft, are supported by suspension ropes, which are attached to the top part of the elevator car and passed via at least one diverting pulley to the counterweight. Separate hoisting ropes are attached to the lower part of the elevator car and passed to lower part of the counterweight via at least one diverting pulley. The hoisting rope is a substantially thin rope made of synthetic fiber and having a sheath made of plastic material.
Owner:KONE CORP
Antimicrobial Articles and Compositions Made from Thermoplastic Elastomers
InactiveUS20050220896A1Uniform pressureFree of infectionBiocideAntifouling/underwater paintsSkin contactThermoplastic elastomer
A composition for skin contact applications and for treating wounds having antimicrobial agents dispersed in a thermoplastic elastomer. The antimicrobial agents migrate to the surface of the thermoplastic elastomer to keep the wound and the skin free of infection.
Owner:ALPS SOUTH
Surface modification of triblock copolymer elastomers
ActiveUS7709570B2Improve surface propertiesIncrease profitOrganic chemistryPlastic/resin/waxes insulatorsUrinary catheterElastomer
Thermoplastic elastomers may be manufactured by mixing together plasticizing oil, a triblock copolymer and one or more additives, e.g., an antioxidant, an antimicrobial agent, and / or other additives, to form a mixture which is melted then cooled into the thermoplastic elastomer. During cooling the thermoplastic elastomer may be molded or otherwise formed into any number of articles including, but not limited to, prosthetic liners, prosthetic sleeves, external breast prostheses, breast enhancement bladders, wound dressing sheets, wound dressing pads, socks, gloves, malleolus pads, metatarsal pads, shoe insoles, urinary catheters, vascular catheters and balloons for medical catheters both vascular as well as urinary.
Owner:ALPS SOUTH EURO
Exhaust gas and gas scrubber fluid cleaning equipment and method
ActiveUS9266055B2Improve the environmentMinimization requirementsIon-exchanger regenerationExhaust apparatusExhaust fumesEngineering
Exhaust gas cleaning equipment including a gas scrubber and a scrubber fluid cleaning equipment for cleaning polluted scrubber fluid. The scrubber fluid cleaning equipment includes a centrifugal separator for separating at least a pollutant phase and a cleaned scrubber fluid from said polluted scrubber fluid. The centrifugal separator has a rotor enclosing a separation space with a stack of separating discs, a separator inlet for polluted scrubber fluid extending into said separation space, a first separator outlet for cleaned scrubber fluid extending from said separation space, and a second separator outlet for the pollutant phase extending from said separation space.
Owner:ALFA LAVAL CORP AB
Systems and methods for powered wheelchair personal transfer
ActiveUS20180214330A1Safe and convenient transferMinimize effortWheelchairs/patient conveyanceNursing bedsEngineeringPowered wheelchairs
The invention includes methods and apparatuses for patient transfer from a rollable chair to a bed and back. A rollable chair includes a first frame having a seat; a second frame coupled to the first frame, the second frame having a backrest configured to move relative to the first frame; and a third frame coupled to the first frame, the third frame having a track having a curvilinear length configured to allow the first frame to rotate and to translate relative to the third frame. A bed includes a chair-receiving frame configured to couple to the first frame of the rollable chair. The rollable chair and the bed work in tandem to transfer a patient, for example using coordinated, automated motions.
Owner:UNIVERSITY OF PITTSBURGH +2
Solids discharge centrifugal separator with disposable contact elements
ActiveUS8475352B2Effective recoveryLow-shear fillingDispersed particle separationRotary centrifugesEngineeringContact element
A hermetically sealed solids discharge centrifugal separator having a separator bowl with a cylindrical upper portion and a conical lower portion, an inlet port at the bottom of the bowl and an outlet port at the top of the bowl. A disposable liner assembly includes a bowl liner having a cylindrical upper portion and conical lower portion, such that the bowl liner can conform to the interior surface of the separator bowl. The liner assembly further includes a piston within the bowl liner, the piston having an upper portion that conforms to the bowl liner cylindrical upper portion and a lower portion that conforms to the bowl liner conical lower portion. A fluid pathway extends through the piston, with a shuttle valve disposed within the fluid pathway.
Owner:CARR ROBERT BRET
Fluid energy transfer device with improved bearing assemblies
ActiveUS9068456B2Minimizes shear forceReduce leakagePump componentsOscillating piston enginesRotational axisEnergy transfer
Owner:YARR GEORGE A
Compositions, methods and apparatus for supercritical fluid virus inactivation
InactiveUS20060269928A1Reduce harmAmenable to mathematical analysisMicrobiological testing/measurementChemicalsVirus inactivationNear critical
The present invention is directed to a composition of critical, supercritical or near critical fluid and apparatus for inactivating viruses associated or potentially associated with protein derived samples and methods of their use.
Owner:APHIOS
Method of and system for performing detection on or characterization of a sample
ActiveUS20190383774A1Time efficient and accurateDeformation force is minimizedAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial analysis by optical meansActuatorAcoustics
The present document relates to a anatomic force microscope comprising a probe comprising a probe tip configured to sense a sample disposed proximate to the probe tip, a detector to detect a deflection of the probe tip, an actuator coupled to the probe and configured to move the probe in a sense state with the sample at a predetermined force set point and a vibrator in communication with the sample to provide a vibration to the sample, the vibration comprising a modulation frequency, wherein the acoustic vibrator is configured to provide the vibration in a modulation period after an initial sense period without modulation and wherein the probe is moved during or after said modulation period to a successive sample position over said sample while moving the probe in a non-contact state.
Owner:NEDERLANDSE ORG VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK (TNO)
Bypass seal for plate heater matrix
ActiveUS20170370651A1Minimizes shear forceImproved and simplifiedInternal combustion piston enginesSafety devices for heat exchange apparatusEngineeringMechanical engineering
A heat exchanger for a motor vehicle includes a seal and a core. The core includes a first groove formed in a first side and a second groove formed in an opposing second side. The first groove and the second groove are each configured to receive a portion of the seal to secure the seal to the core. The seal includes a cross member and a pair of uprights extending from opposing ends of the cross member, wherein the cross member and the uprights each include a sealing element. The uprights further include a rail extending from the upright and configured to be received in the groove of the core. The core further includes an integrated shear panel formed at opposing ends thereof.
Owner:HANON SYST
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