Blood Collection Container Patents (Class 604/6.15)
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Patent number: 8414515Abstract: A conduit tube (90) that communicates with an intracardiac blood inflow port (50) and a liquid medicine injection port (72) and allows blood from the intracardiac blood inflow port and a liquid medicine from the liquid medicine injection port to flow into a cardiotomy section (2) is inserted from above downward in the cardiotomy section 2. A blood flow channel (93) for the flow of blood and a liquid medicine flow channel (95) for the flow of a liquid medicine are formed independently of each other in the conduit tube. With respect to the vertical direction, the lower end of a blood conduit tube portion (94) that forms the blood flow channel is located at a lower position than the lower end of a liquid medicine conduit tube portion (96) that forms the liquid medicine flow channel. This prevents the generation of negative pressure in the liquid medicine flow channel due to the flow of blood. It also reduces the resistance to the inflow of a liquid medicine into the cardiotomy section.Type: GrantFiled: August 21, 2008Date of Patent: April 9, 2013Assignee: JMS Co., Ltd.Inventors: Yutaka Katsuno, Minoru Tanaka
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Patent number: 8409125Abstract: A blood-collection system configured to permit selection of either collection and disposal of shed blood from a patient or collection and processing of shed blood for autologous transfusion back to the patient includes an automated blood-processing machine. The system may also include a blood-collection reservoir, a separation chamber, and a fluid conduit. The blood-collection reservoir may be engageable with the blood-processing machine so that the machine can identify and report the presence of blood in the reservoir. The separation chamber may also be engageable with the blood processing machine. The fluid conduit may be configured to selectively join the reservoir to the separation chamber by a quick-connect coupling.Type: GrantFiled: November 7, 2007Date of Patent: April 2, 2013Assignee: Haemonetics CorporationInventor: Alec D. Bobroff
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Patent number: 8388567Abstract: In an apparatus for extracorporeal blood treatment, an extracorporeal circuit (6) is connected to a blood chamber (3) of a membrane device (2). A pump (10) displaces a priming fluid from a source of a priming fluid (9) to a drainage (11) for discharging the priming fluid. A control unit (13) is provided with a processor which controls the pump at a preset first flow rate value, and receives from a pressure sensor (12) a first pressure value, compares the first pressure value with a reference pressure value and, on the basis of this comparison, determines whether or not the extracorporeal circuit is of a pediatric type or of an adult type. The invention is particularly useful during a stage of readying a dialysis apparatus.Type: GrantFiled: April 12, 2007Date of Patent: March 5, 2013Assignee: Gambro Lundia ABInventor: Paolo Rovatti
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Publication number: 20130046226Abstract: A method for monitoring a state of a blood line in a circuit for extracorporeal blood treatment, including the steps of: acquiring at least a first pressure value from a first sensor mounted at a first point of a circuit for extracorporeal blood treatment, comprising a blood line in which the blood is subjected to a pulsating thrust; acquiring at least a second pressure value from a second sensor mounted at a second point, distinct from the first point of the blood line of the circuit for extracorporeal blood treatment, and correlating at least a first value, correlated to the first pressure value, and at least a second value, correlated to the second pressure value, with at least a threshold value, in order to obtain a datum representing a state of the blood line.Type: ApplicationFiled: April 22, 2011Publication date: February 21, 2013Inventors: Mauro Suffritti, Marco Lizzi
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Patent number: 8349254Abstract: A circuit for collecting a blood component includes a blood collection device provided with a blood collection needle through which blood is collected from a blood donor, a blood separator in which the blood collected by the above blood collection device is separated, a blood component collection bag in which a predetermined blood component separated by the above blood separator is collected, a blood line in which the blood collection needle is connected to an inlet of the blood separator, a line for removing an initial blood flow, which branches from a first branching portion formed in the blood line, and in which an initial flow of blood collected from the blood donor is removed, and an anticoagulant-injection line that branches from a second branching portion, formed in the line for removing the initial blood flow, and into which an anticoagulant is injected.Type: GrantFiled: July 4, 2006Date of Patent: January 8, 2013Assignee: Terumo Kabushiki KaishaInventors: Yoshiteru Hoshino, Yoshihiro Yokoo, Yuusuke Yamazaki
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Patent number: 8349174Abstract: A fuel-cell powered medical fluid processing machine or dialysis machine is disclosed. The machine is intended for remote or rural areas where standard household or utility power is not available or is subject to interruption. The fuel cell is powered by hydrogen or other source of protons, or may instead be powered by methanol or ethanol, such as a direct methanol fuel cell. The fuel cell may be operated directly, as in powering a portable, wearable dialysis device, or may be operated indirectly, to generate and store power in an electric power storage device of the medical fluid or dialysis device. The medical fluid processing machine or dialysis machine may include circuitry allowing for use by household or utility power while also including a fuel cell for use when other power is not available. A catalytic heater may be used to warm the dialysis fluid.Type: GrantFiled: July 23, 2008Date of Patent: January 8, 2013Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: John A. Bedingfield, Richard E. Kienman, Brian C. Lauman
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Patent number: 8343084Abstract: A wound closure apparatus and associated methods are provided which utilize blood fluid by activating the clotting cascade of blood fluid within a substantially enclosed sterile container then introducing the blood fluid to the wound site to complete clotting. An apparatus for providing ways of inhibiting anticoagulating agents and slowing fibrin clot degradation are also disclosed. Kits are also disclosed. The invention provides a clotting cascade initiation apparatus including a substantially enclosed sterile containment chamber within which an aliquot of blood fluid, either autologous or from donor sources, can be received and retained. In preferred embodiments, the sterile containment chamber further includes a heparin binding agent which will bind heparin and remove it from the blood fluid. In further embodiments, the containment chamber will also include a procoagulating agent, wherein a clotting cascade can be initiated when the blood fluid is accepted into the sterile containment chamber.Type: GrantFiled: October 29, 2010Date of Patent: January 1, 2013Assignee: Closys CorporationInventors: Karol L. Nowakowski, James E. Olson, Edward T. Joseph, Daniel G. Ericson
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Patent number: 8337711Abstract: Disclosed is a system to separate, enrich, and/or purify a cellular population from a biological tissue, such as a tissue sample. For example, an adipose tissue sample can be acquired and disrupted. The disrupted tissue sample can then be separated and purified. The separated components can include multipotent, pluripotent, or other cell populations.Type: GrantFiled: February 27, 2009Date of Patent: December 25, 2012Assignee: Biomet Biologics, LLCInventors: Randel Dorian, Michael D. Leach, Richard W. Storrs, Jason Chavarria
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Patent number: 8313954Abstract: A separation device including a first buoy, a second buoy, a first valve, and a second valve. The first buoy is mounted to a buoy guide post and slidably mounted within a separation chamber. The second buoy is slidably mounted to the guide post and movable between a first position and a second position. The second buoy closes the first valve and opens the second valve when in the first position. The second buoy opens the first valve and closes the second valve when in the second position. The second buoy has a density such that after spinning the device for a suitable period of time a first component of the composition is isolated between the first buoy and the second buoy and a second component of the composition is isolated between the second buoy and the end of the separation chamber that is opposite to a port.Type: GrantFiled: April 3, 2009Date of Patent: November 20, 2012Assignee: Biomet Biologics, LLCInventors: Michael D. Leach, Jason Chavarria
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Patent number: 8303529Abstract: A cardiotomy and venous blood reservoir, including a housing assembly, a venous inlet port, a venous sub-assembly, a cardiotomy inlet port, and a cardiotomy sub-assembly. The housing forms a chamber. The venous sub-assembly includes a downtube and a bowl. A diameter of the downtube lumen increases to a downstream end. The bowl forms a floor surface for receiving flow from the lumen. The cardiotomy sub-assembly includes a dish and an inner post. The dish defines an aperture. The inner post extends from the dish and forms a guide surface received within the central aperture and forming an undulating curvature increasing to a diameter greater than the diameter of the central aperture. Cardiotomy liquid drops from the dish fall on to the undulating, closely positioned guide surface with minimal splashing.Type: GrantFiled: April 30, 2010Date of Patent: November 6, 2012Assignee: Medtronic, Inc.Inventors: Mark E. Wendler, Ana R. Menk, Eric R. Fox, Ningze Sun, Timothy D. Groen, Katherine S. Olig
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Patent number: 8206594Abstract: A novel system and method for fluid management for accurate continuous venovenous hemofiltration (CWH) in extracorporeal membrane oxygenation (ECMO). The fluid management or CWH system is automated and configured for operation as a stand alone unit and can be easily integrated with an ECMO system. The fluid management system is capable of producing either perfect or negative fluid balance between ultrafiltrate removal and replacement fluid delivery. The fluid management system can achieve electrolyte replacement over a range of flow rates needed to care for patients ranging from neonates to adults. Finally, the novel fluid management system preserves patient safety, maintains sterility during operation, is easy to operate, and is compact enough to fit near a patient's bed.Type: GrantFiled: June 6, 2008Date of Patent: June 26, 2012Assignees: Emoery University, Children's Healthcare of Atlanta, Georgia Tech Research CorporationInventors: James D. Fortenberry, Ajit P. Yoganathan, Philippe Sucosky, Lakshmi Prasad Dasi, Matthew L. Paden
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Patent number: 8202240Abstract: Method and apparatus for separating plasma from blood in a membrane separator and further separator the separated plasma into desired plasma proteins in a plasma separator fluidly connected to the membrane separator to receive the separated plasma.Type: GrantFiled: April 24, 2009Date of Patent: June 19, 2012Assignee: CaridianBCT, Inc.Inventors: Thomas J. Felt, Frank Corbin, III, Steven Gage Urdahl
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Publication number: 20120130299Abstract: A device for establishing venous inflow to a blood reservoir of an extracorporeal blood circulation system includes a restricting unit for gradually closing a venous inflow line and a vacuum unit for supplying vacuum to the blood reservoir. The device includes a control unit that supplies a first actuating signal to the restricting unit for restricting venous inflow to the blood reservoir and supplies a second actuating signal to the vacuum unit for establishing a degree of vacuum within the blood reservoir.Type: ApplicationFiled: April 26, 2010Publication date: May 24, 2012Applicant: Sorin Group Deutschland GMBHInventors: Erwin Knott, Johann Schreyer
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Patent number: 8177072Abstract: A device for separating and isolating components of a biological fluid comprising a container for containing the fluid to be processed, a tube cap assembly for closing the container while providing filling and extraction communication therewith, a float assembly disposed within the container for funneling and controlling biological fluid flow into an inverted domed shaped isolation chamber within the float and controlling the biological fluid flow out of the isolation chamber for effecting an encapsulation or a sealed isolation of at least one component or fraction of the biological fluid flow within the isolation chamber during a centrifugation process. The device further comprising a flexible tube for connecting an extraction passageway disposed within the float assembly and an extraction valve of the tube cap assembly for allowing extraction of at least the one component or fraction encapsulated or isolated within the chamber.Type: GrantFiled: December 4, 2008Date of Patent: May 15, 2012Assignee: ThermoGenesis Corp.Inventors: John R. Chapman, Vijay Kumar, Brian K. Cinquini, Phillip D. Kingsley
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Patent number: 8177735Abstract: A cardiotomy and venous blood reservoir including a housing assembly, a downtube, and a bowl. The housing assembly forms a chamber. The downtube extends from an inlet port to a downstream end within the chamber. A diameter of the tube lumen increases to the downstream end. The bowl forms a floor surface shoulder, intermediate segment, and protrusion. The shoulder circumferentially surrounds, and is spatially above, the downstream end. The intermediate segment extends radially inwardly and downwardly from the shoulder to a bottom face. The protrusion extends radially inwardly and upwardly from the bottom face to a center that is aligned with the lumen and below the downstream end. The flared inner diameter of the lumen reduces fluid velocity as venous blood enters the reservoir. The bowl floor surface gently receives the incoming venous blood at the protrusion, and smoothly guides the blood flow.Type: GrantFiled: February 17, 2009Date of Patent: May 15, 2012Assignee: Medtronic, Inc.Inventors: Mark E. Wendler, Ana R. Menk, Eric R. Fox, Ningze Sun, Timothy D. Groen, Walt L. Carpenter
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Publication number: 20120109039Abstract: Devices, systems, and methods are provided for controlling an inflammatory response in a subject. Extracorporeal devices, systems, and methods are provided that alter the functional structure of one or more inflammatory mediators in the peripheral blood of the subject. The device or system is useful in a method for treating an inflammatory disease or condition in the subject.Type: ApplicationFiled: February 25, 2009Publication date: May 3, 2012Inventors: Roderick A. Hyde, Muriel Y. Ishikawa, Edward K.Y. Jung, Robert Langer, Eric C. Leuthardt, Nathan P. Myhrvold, Elizabeth A. Sweeney, Lowell L. Wood, JR.
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Patent number: 8167139Abstract: The invention includes compositions of stem and progenitor cells recovered from bone marrow or cord blood containing most of the viable CD34+ cells and substantially depleted of red blood cells resident in the original sample, without any xenobiotic additives to aid cell separation. The invention also includes a system and method for preparing the compositions. The system includes a bag set and a processing device, which utilizes an optical sensor, microcontroller, servo motor, accelerometer, load cell, and battery. The system and method utilize centrifugation to stratify the cells into layers and then separate and transfer the stem cells into a stem cell bag. The processing device's microcontroller receives input from the device's accelerometer, load cell and optical sensor to direct the metering valve in the bag set to open and close to permit the transfer of as many stems cells as possible with as few red cells as possible.Type: GrantFiled: July 6, 2007Date of Patent: May 1, 2012Assignee: ThermoGenesis Corp.Inventors: Philip H. Coelho, Bruce A. Baker, John R. Chapman, Junzhi Li, Prince Emmanuel, Robert S. Childers
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Patent number: 8163184Abstract: An apparatus is disclosed that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient.Type: GrantFiled: March 25, 2011Date of Patent: April 24, 2012Assignee: Biomet Biologics, LLCInventors: Michael D. Leach, Jennifer E. Woodell-May, Joel C. Higgins, Brandon Miller
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Patent number: 8157758Abstract: A connector system is provided for use in priming a fluid circuit. The system includes a first connector and a second connector. The first connector is configured to couple with one end of a conduit. The first connector has a gas permeable membrane, a main lumen extending from the gas permeable membrane, and a second lumen. The second lumen has a first end configured to couple with a fluid source and a second end in fluid communication with the main lumen. The second connector is configured to couple with an end of a cannula. The second connector has an end configured to be inserted through the gas permeable membrane into the first connector, whereby fluid communication can be established between the main lumen of the first connector and the cannula lumen.Type: GrantFiled: October 20, 2008Date of Patent: April 17, 2012Assignee: Thoratec CorporationInventors: Robert Pecor, Michael Scott
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Patent number: 8153008Abstract: Device (5) for filtering blood including a filter unit (7) having a blood filter, an inlet (8) for blood to be filtered and being connectable to an artery of a patient and a blood outlet (9) for filtered blood and being connectable to a vein of the patient, and having a filtrate container (6,14), that encloses the filter unit (7), for receiving filtrate (12) passing through the blood filter during a filtering process and that the filtrate container (6,14) is a closed container, which in a filled state is arranged to establish a counter-pressure over the blood filter, whereby the filtering process is interrupted. The invention also concerns a system including the above device.Type: GrantFiled: May 14, 2003Date of Patent: April 10, 2012Assignee: Gambro Lundia ABInventor: Anders Nilsson
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Patent number: 8147440Abstract: The present invention consists of a blood reservoir that incorporates a separate chamber designed to trap condensing water vapor. The blood chamber and the vapor trap are in fluid communication along their top assuring that vacuum applied to the top of the vapor trap is equally applied to the blood chamber. The combination is also structured to prevent condensate water accumulating in the vapor trap chamber from overflowing into the blood chamber as well as provide a structure that allows the end user to empty the water in the vapor trap chamber.Type: GrantFiled: September 20, 2009Date of Patent: April 3, 2012Inventor: Yehuda Tamari
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Patent number: 8142384Abstract: A blood tube system for extracorporeal uses, such as dialysis devices, wherein an arterial expansion chamber including a lower region for receiving blood, in which a blood inlet channel terminates, and from which a blood outlet channel extends, and an upper region for receiving air, where a venting channel provided with a venting valve extends from the upper region. The blood tube system includes a central region of the expansion chamber which has considerably reduced cross-sectional dimensions, the blood level being adjustable by means of the venting valve in such a manner that blood/air contact takes place in the central region. The amounts of heparin and EPO needed for a dialysis treatment can thereby be reduced.Type: GrantFiled: July 31, 2008Date of Patent: March 27, 2012Inventors: Franz Ferdinand Becker, Thomas Ryzlewicz, Reinhold H. Herbst
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Publication number: 20120065568Abstract: An extracorporeal blood chamber for an optical blood monitoring system has a mixing area and viewing area that are offset from the axis of the blood flow path into and out of the blood chamber. The off-axis design provides more leverage for threading the blood chamber onto a dialysis filter. It also eliminates the need for turbulence posts.Type: ApplicationFiled: September 13, 2010Publication date: March 15, 2012Applicant: HEMA METRICS, LLCInventors: Perry N. Law, Louis L. Barrett
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Patent number: 8123713Abstract: Method and apparatus for separating plasma from blood in a separation vessel and further separator the separated plasma into desired plasma proteins in a plasma separator fluidly connected to the separation vessel to receive the separated plasma.Type: GrantFiled: April 24, 2009Date of Patent: February 28, 2012Assignee: Caridian BCT, Inc.Inventors: Thomas J. Felt, Frank Corbin, III, Steven Gage Urdahl
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Patent number: 8105265Abstract: A cardiopulmonary bypass system utilizing membrane-based reciprocating positive displacement blood pumps (“pod pumps”). In one aspect, the pod pumps are constructed to provide reduced shear forces on the blood being pumped. In another aspect blood flow through the pod pumps can be controlled by a controller using information from pressure sensors in the control chamber of the pod pumps. In another aspect, the pod pumps are included on a disposable unit that can be received and held by a receptacle means on a base unit, the base unit also providing pressurized control fluid to the pod pumps on the disposable unit through the receptacle means.Type: GrantFiled: October 10, 2008Date of Patent: January 31, 2012Assignee: DEKA Products Limited PartnershipInventors: Jason A. Demers, Larry B. Gray, James D. Dale, N. Christopher Perry, David E. Altobelli
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Patent number: 8079997Abstract: Fluid sampling systems are disclosed. The sampling system has a flexible plastic container defining an interior chamber and an internal flow path comprising a proximal end and terminating in an open distal end. The flow path extends substantially into the interior chamber, providing the only access into and from the chamber.Type: GrantFiled: October 1, 2004Date of Patent: December 20, 2011Assignee: Fenwal, Inc.Inventors: Jean-Marie Mathias, Jean-Claude Bernes, Thomas Walter Coneys
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Patent number: 8066127Abstract: An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be placed into a device adapted to fit into a centrifuge for separation of components. Each component is then sequentially extracted according to density, with a sensor present in the device to control the operation of valves directing the collection of each component. The sensor may be reading one or more of the following characteristics: infrared, optics, density, weight, radioactive, fluorescence, color, magnetism, ultrasonic, capacitance wherein the characteristic is inherent in the blood and blood component or is an additive. Each component may then be separated into its own storage container. The preferred sensors include optics and weight.Type: GrantFiled: August 16, 2005Date of Patent: November 29, 2011Assignee: ThermoGenesis Corp.Inventors: Philip H. Coelho, Eric Sommer, Richard Klosinski, Jim Hobbs, Bruce Baker, Brian Malone
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Patent number: 8062534Abstract: An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at various fractions in the apparatus. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient. Also selected fractions from the sample can be applied to a patient, either alone or as part of a mixture.Type: GrantFiled: December 6, 2010Date of Patent: November 22, 2011Assignee: Biomet Biologics, LLCInventors: Joel C. Higgins, Matthew Swift, Nathan Gordon, Barry F. Hecker
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Patent number: 8052667Abstract: The present invention provides modified platelets having a reduced platelet clearance and methods for reducing platelet clearance. Also provided are compositions for the preservation of platelets. The invention also provides methods for making a pharmaceutical composition containing the modified platelets and for administering the pharmaceutical composition to a mammal to mediate hemostasis.Type: GrantFiled: September 7, 2005Date of Patent: November 8, 2011Assignee: Velico Medical, Inc.Inventors: Keith Rosiello, Henrik Clausen
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Patent number: 8052632Abstract: A cardiotomy reservoir, comprising an outer wall provided, at the lid, with connectors for the inflow of blood to be filtered and, at the bottom, with a connector for the outflow of the filtered blood, a filtering mass being provided which divides the space delimited by the outer wall into a portion that is connected to the inflow connectors and a portion that is connected to the outflow connector; the cardiotomy reservoir comprises a layer of material adapted to retain fats present in blood, and further comprises a first partition and a second partition, which are adapted to delimit at different distances the region that comprises the blood outflow connector and are provided with ports for the passage of the blood in its path for accessing the connector which are arranged at differentiated levels with respect to the bottom, the ports that are provided in the first partition that lies closest to the outflow connector being located at a height, from the bottom, that is greater than the height of the ports provType: GrantFiled: March 27, 2009Date of Patent: November 8, 2011Assignee: Eurosets S.r.l.Inventors: Nicola Ghelli, Edgardo Costa Maianti, Roberto Balanzoni, Antonio Petralia
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Patent number: 8048321Abstract: An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient.Type: GrantFiled: August 11, 2010Date of Patent: November 1, 2011Assignee: Biomet Biologics, LLCInventors: Michael D. Leach, Jennifer E. Woodell-May, Joel C. Higgins, Brandon Miller
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Publication number: 20110257579Abstract: A perfusion system that is easy to set-up, use and monitor during a bypass procedure includes at least some disposable components configured to communicate parameters to the perfusion system. An ultrasonic blood level sensor can be used to monitor a blood level or volume within a blood reservoir. The blood level sensor may be utilized in an integrated perfusion system in which the disposable components are configured, as noted above, to communicate with the perfusion system.Type: ApplicationFiled: April 13, 2011Publication date: October 20, 2011Applicant: Sorin Group Italia S.r.I.Inventors: Ivan Rossi, Ivo Panzani
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Publication number: 20110257578Abstract: The disclosure pertains to a perfusion system that is easy to set-up, use and monitor during a bypass procedure. In some embodiments, the disclosure pertains to a perfusion system in which at least some of the disposable components used with the perfusion system are configured to be able to communicate set-up and/or operational parameters to the perfusion system. In some embodiments, the disclosure pertains to a blood level sensor that can be used to monitor a blood level or volume within a blood reservoir. The blood level sensor may be utilized in an integrated perfusion system in which the disposable components are configured, as noted above, to communicate with the perfusion system. In some embodiments, the blood level sensor may be utilized with a perfusion system lacking communication with disposables.Type: ApplicationFiled: April 20, 2010Publication date: October 20, 2011Applicant: Sorin Group Italia S.r.l.Inventors: Daniele Zanotti, Ivan Rossi, Ivo Panzani
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Patent number: 8034014Abstract: Methods for promoting angiogenesis comprising administering platelet-rich plasma to a site and stimulating the site with an electromagnetic field. Platelets include platelet-rich plasma and compositions can further include stem cells such as adipose stromal cells and cells derived from bone marrow aspirate. Methods also comprise isolating platelets from a patient's blood, forming a composition including the platelets, delivering the composition to a site in need of treatment, and electrically stimulating the site.Type: GrantFiled: March 6, 2007Date of Patent: October 11, 2011Assignee: Biomet Biologics, LLCInventors: Joel C. Higgins, Bruce Simon, Jennifer E. Woodell-May
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Patent number: 8029728Abstract: An air removal device removes air from blood flowing in a perfusion system. A generally cylindrical chamber has a liquid flow region at a lower end thereof and has a gas collection region at an upper end thereof. An arcuate manifold provides an arcuate flow path outside of the chamber having an upstream end and a downstream end. A slit aperture is provided between the arcuate manifold and the chamber along at least a substantial portion of the arcuate manifold. A mixture of gas and liquid introduced into the arcuate flow path at the upstream end flows through the slit aperture to create a spiral flow within the chamber causing the gas to move toward a central axis of the chamber and into the gas collection region.Type: GrantFiled: October 7, 2005Date of Patent: October 4, 2011Assignee: Terumo Cardiovascular Systems Corp.Inventor: Erin Jessica Lindsay
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Patent number: 8002728Abstract: One disclosed embodiment comprises a method for treating lesions in the carotid artery of a mammalian body. The method comprises transcervical access and blocking of blood flow through the common carotid artery (with or without blocking of blood flow through the external carotid artery), shunting blood from the internal carotid artery and treating the lesion in the carotid artery.Type: GrantFiled: July 18, 2008Date of Patent: August 23, 2011Assignee: Silk Road Medical, Inc.Inventor: David W. Chang
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Patent number: 7976521Abstract: The present invention provides a body fluid suction reservoir including a flexible bag, two plates for supporting the bag, and a spring put between the two plates. The body fluid suction reservoir further includes a lock having a hook and a release part and consisting of a member different from the two plates, by which lock the spring is held in a state compressed between the two plates, and the held state is releasable. The lock has flexibility and is held by one of the plates so as to be deformable from a first state in which the hook is engaged with the other plate to a second state in which the hook is not engaged, and the lock is urged to take the first state.Type: GrantFiled: March 13, 2009Date of Patent: July 12, 2011Assignee: Sumitomo Bakelite Company, Ltd.Inventors: Kei Hara, Yukihiko Sakaguchi
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Patent number: 7959596Abstract: An extracorporeal circuit, which makes it possible to efficiently collect priming solution by displacing the priming solution with blood after the priming solution is fed to the extracorporeal circuit to prime the extracorporeal circuit, includes a circuit body including first and second tubes, a feed bag that feeds the priming solution, a blood reservoir in which a liquid is temporarily stored, a third tube that branches out from the middle of the first tube, and a collection bag which communicates with the third tube and into which the priming solution is collected through the third tube. After the priming solution is fed from the feed bag to prime at least a housing, when the priming solution in the housing is displaced by blood, the priming solution in the housing is transferred and collected in the collection bag due to a height difference between the liquid level and the collection bag.Type: GrantFiled: April 17, 2008Date of Patent: June 14, 2011Assignee: Terumo Kabushiki KaishaInventors: Mitsuaki Ogihara, Kazuhiko Takeuchi
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Patent number: 7954646Abstract: An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient.Type: GrantFiled: August 11, 2010Date of Patent: June 7, 2011Assignee: Biomet Biologics, LLCInventors: Michael D. Leach, Jennifer E. Woodell-May, Joel C. Higgins, Brandon Miller
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Publication number: 20110125074Abstract: A device for treating blood in an extracorporeal blood circuit, the device including a centrifugal pump provided with a transparent enclosure that is connected, by means of an inlet duct, to the outlet of a venous reservoir, the venous reservoir having an inlet that is connected to receive blood from a patient. The transparent enclosure of the pump is connected monolithically to the base of a structure that comprises a heat exchanger and an oxygenator. The structure also supports monolithically, at the peripheral region, an arterial filter that receives the blood in output from the oxygenator and is provided with a connector for coupling to an arterial line for return of the blood to the patient.Type: ApplicationFiled: January 31, 2011Publication date: May 26, 2011Applicant: Sorin Group Italia S.r.l.Inventors: Edgardo Costa Maianti, Nicola Ghelli, Ivo Panzani
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Publication number: 20110118648Abstract: A conduit tube (90) that communicates with an intracardiac blood inflow port (50) and a liquid medicine injection port (72) and allows blood from the intracardiac blood inflow port and a liquid medicine from the liquid medicine injection port to flow into a cardiotomy section (2) is inserted from above downward in the cardiotomy section 2. A blood flow channel (93) for the flow of blood and a liquid medicine flow channel (95) for the flow of a liquid medicine are formed independently of each other in the conduit tube. With respect to the vertical direction, the lower end of a blood conduit tube portion (94) that forms the blood flow channel is located at a lower position than the lower end of a liquid medicine conduit tube portion (96) that forms the liquid medicine flow channel. This prevents the generation of negative pressure in the liquid medicine flow channel due to the flow of blood. It also reduces the resistance to the inflow of a liquid medicine into the cardiotomy section.Type: ApplicationFiled: August 21, 2008Publication date: May 19, 2011Applicant: JMS CO., LTD.Inventors: Yutaka Katsuno, Minoru Tanaka
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Publication number: 20110098626Abstract: A cardiotomy section (2) includes a filter (10) and a defoamer (20) arranged inside the filter. A lower end (11a) of the filter is sealed or folded in an approximately straight line or in a curve, and the defoamer is annularly arranged along the inner peripheral surface of the filter, as viewed from above. A conduit tube (90) that introduces intracardiac blood is inserted from above downward in the cardiotomy section. A lower end of the conduit tube is located at the same level as or at a lower level than the lower end of the defoamer, with respect to the vertical direction. In a projection view of a lower end face of the defoamer with respect to a horizontal plane, (Ru2?2×Tu)/(Ru1?2×Tu)?0.24 is satisfied, where Ru1 is the outer dimension of the annularly arranged defoamer in a major axial direction, Ru2 is the outer dimension thereof in a minor axial direction, and Tu is the thickness of the defoamer. This achieves a blood reservoir equipped with a cardiotomy section having high defoaming performance.Type: ApplicationFiled: August 21, 2008Publication date: April 28, 2011Applicant: JMS CO., LTD.Inventors: Yutaka Katsuno, Minoru Tanaka
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Patent number: 7931641Abstract: A visceral pleura ring connector that may be utilized to anchor and seal the visceral pleura to a conduit or other device entering the lung from a non-native airway. The visceral pleura ring connector may be positioned around the visceral pleura and an insertion device and seal them together without having to make any holes in the pleura. The visceral pleura ring connector may be utilized with a pulmonary pleural stabilizer to hold the visceral pleura of the lung during surgical procedures involving accessing the lung or lungs of a patient directly through the lung and not the native airways.Type: GrantFiled: February 21, 2008Date of Patent: April 26, 2011Assignee: Portaero, Inc.Inventors: Asia Chang, Attila Meretei, Alex Nedvetsky, Don Tanaka
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Patent number: 7922683Abstract: An extracorporeal circulator comprising a line for extracting blood from a patient, a pump for supplying blood, an artificial lung section performing gas exchange on blood, a line for supplying blood passed through the artificial lung section to the patient, a unit for removing bubbles mixed into the blood, a controller for controlling the flow rate of blood being supplied such that bubbles are not fed to the patient, and a line for detouring blood delivered from the blood pump to return it to the blood pump.Type: GrantFiled: July 21, 2005Date of Patent: April 12, 2011Assignee: Terumo Kabushiki KaishaInventors: Mitsuaki Ogihara, Hidetaka Nakayama, Kazuhiko Takeuchi, Yuki Ishikura, Akiyasu Ito
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Patent number: 7914508Abstract: Apparatus for reducing the fat content of blood and in particular to an apparatus for reducing the fat content of pericardial suction blood has a conduit for blood, an absorbing filter located in the conduit and an associated temperature control device for adjusting the temperature of blood before it flows through the filter.Type: GrantFiled: February 3, 2003Date of Patent: March 29, 2011Assignee: ESTR Engstrom Scientific and Technical Research AktiebolagInventor: Gunnar K. Engstrom
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Patent number: 7914689Abstract: An apparatus is disclosed that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient.Type: GrantFiled: May 19, 2008Date of Patent: March 29, 2011Assignee: Biomet Biologics, LLCInventors: Joel C. Higgins, Michael D. Leach, Jennifer E. Woodell-May, Brandon Miller
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Patent number: 7897112Abstract: A multi-chamber chemical delivery container for storing dry chemicals that are used to produce a liquid microbial deactivation fluid. The container includes two housing sections and a dividing wall that is located between the two housing sections. The dividing wall separates the container into two compartments. Openings formed in each of the two housing sections are dimensioned to respectively receive an inlet fitting and an outlet fitting. The inlet and outlet fittings are dimensioned to respectively engage with inlet and outlet connectors that are fluidly connected with a fluid circulation system of a microbial deactivation system.Type: GrantFiled: June 25, 2007Date of Patent: March 1, 2011Assignee: American Sterilizer CompanyInventor: John J. Mayer
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Patent number: 7879000Abstract: The invention concerns a method of collecting a biological fluid, in particular blood, with an anticoagulant and/or preservation solution added, in which the biological fluid is collected by natural flow and the anticoagulant and/or preservation solution is added by pumping, the method making provision for measuring the flow of fluid collected and slaving the pumping speed to the measured flow, so as to obtain continuously during collection a given ratio between the quantity of fluid collected and the quantity of anticoagulant and/or preservation solution added. The invention also concerns a collection machine and bag system for implementing the method.Type: GrantFiled: December 31, 2003Date of Patent: February 1, 2011Assignee: MacopharmaInventors: Maurice Behague, Francis Goudaliez, Thierry Verpoort
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Patent number: 7850634Abstract: An improved method for separating whole blood into components and collecting a desired blood component. The method allows a desired blood component to be subjected to centrifugal forces within a separator for prolonged periods of time, yielding a cleaner cut and higher yield of the desired blood component. Whole blood is drawn from a source and pumped into a separator, the undesired blood components are removed from the separator at rates so as to build up the desired blood component in the separator. The desired blood component is only removed after a predetermined amount of the desired blood component has built up in the separator. It is preferred that the desired blood component be buffy coat and that the method be used to perform photopheresis treatments. In another aspect, the invention is a method of performing a full photopheresis treatment to treat diseases in a reduced time, preferably less than about 70 minutes, and more preferably less than about 45 minutes.Type: GrantFiled: December 19, 2006Date of Patent: December 14, 2010Assignee: Therakos, Inc.Inventor: Dennis Briggs
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Patent number: 7850636Abstract: An example of the closed-type blood reservoir of the invention is furnished with an outer shell in which a space is formed within its interior, a flexible septum that is interposed between a blood storage chamber shell and a volume adjustment chamber shell and that divides the space into a blood storage chamber for storing blood and a volume adjustment chamber for storing volume adjustment liquid, a blood inlet port, a blood outlet port, and a blood storage chamber air discharge port that are provided in the blood storage chamber shell such that they are in communication with the blood storage chamber, and a volume adjustment liquid port that is provided in the volume adjustment chamber shell such that it is in communication with the volume adjustment chamber, for injecting and ejecting the volume adjustment liquid into and away from the volume adjustment chamber, wherein the blood inlet port and the blood outlet port each are provided tangentially to the inner surface of the blood storage chamber shell suchType: GrantFiled: October 3, 2006Date of Patent: December 14, 2010Assignee: JMS Co., Ltd.Inventors: Hiroyuki Meada, Shigeki Kawarabata