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Fenwal Inc patents


Recent patent applications related to Fenwal Inc. Fenwal Inc is listed as an Agent/Assignee. Note: Fenwal Inc may have other listings under different names/spellings. We're not affiliated with Fenwal Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Fenwal Inc-related inventors


Fluid separation chambers for fluid processing systems

Fluid separation chambers are provided for rotation about an axis in a fluid processing system. The fluid separation chamber may be provided with first and second stages, with the first and second stages being positioned at different axial locations. ... Fenwal Inc

Systems and methods for collecting mononuclear cells having a suitable hematocrit for extracorporeal photopheresis

A system for collecting mncs to be treated with irradiation comprises a fluid circuit comprising a product container for receiving a mnc product. The system comprises a separator to work in association with the fluid circuit, the separator comprising a chamber for separation into rbcs, plasma, and an interface carrying mncs between the rbcs and the plasma. ... Fenwal Inc

Photoelectric smoke sensor

A photoelectric smoke sensor includes a housing having a circuit accommodation chamber, an inflow chamber provided in the housing, a light emitting portion provided in the inflow chamber, and a light receiving portion provided in the inflow chamber. The light emitting portion includes a first light and a first support portion surrounding the first light guide. ... Fenwal Inc

System and method for separating cells incorporating magnetic separation

A cell processing system includes a first processor connectable to a source container filled with a biological fluid, a second processor, and a controller coupled to the processors. The first processor includes a separator configured to separate the biological fluid into at least two streams of material, and a first container configured to receive one of the streams. ... Fenwal Inc

Systems and methods for recovering white blood cells from a leukoreduction filter

A method of recovering white blood cells from a leukoreduction filter, the method comprising providing a solution comprising a sugar, flowing a volume of the solution through a leukoreduction filter containing captured white blood cells, and collecting elute from the leukoreduction filter, wherein the elute comprises the solution and recovered white blood cells.. . ... Fenwal Inc

System for washing red blood cells to reduce hemolysis

A system for washing red blood cells, comprising a separator configured to separate a quantity of blood into concentrated red blood cells having a hematocrit of at least 60% and a volume of 150-250 ml, and a supernatant component. The system comprises a flow controller configured to remove the supernatant component to provide an initial red blood cell concentrate; combine 50-500 ml of an additive solution with the red blood cell concentrate to provide an intermediate red blood cell product intended for storage for 42 days or less, wherein the intermediate red blood cell product at the end of storage has an osmolarity value between 202-479 mosm/l; and wash the intermediate red blood cell product comprising the osmolarity value between 202-479 mosm/l with a washing solution having an osmolarity value higher than that of the intermediate red blood cell product comprising the osmolarity value between 202-479 mosm/l.. ... Fenwal Inc

Fill and finish systems and methods

A variety of fill options is provided for a cell processing system. Certain options relate to a filling system associated with the cell processing system, the filling system comprising one or more filling stations, each with at least one container that may receive product from a container associated with a cell processing system. ... Fenwal Inc

Blood component pooling device, system and method

A device for pooling a blood component stored in source containers includes a pump or pumps configured to pump a fluid in a first direction and a second direction and receive a pump line having a first end connected to the source containers. A pool clamp is configured to receive a pool line having a first end connected to a second end of the pump line and a second end connected to a pool container. ... Fenwal Inc

Systems and methods for controlling an irradiation device

A method and system for treating a biological fluid within a container by subjecting the container to light is provided. The system includes a fluid treatment chamber for receiving the container of biological fluid; an agitation assembly for oscillating the container of biological fluid within the fluid treatment chamber including a variable speed motor; one or more light sources in proximity to the fluid treatment chamber; at least one sensor for sensing a condition of the biological fluid in the container; and a programmable controller. ... Fenwal Inc

Systems and methods for platelet concentration with a spinning membrane separator

A method for automated processing of a blood product, the method comprising providing a reusable separation apparatus controlled by a microprocessing unit, said apparatus configurable with settings and configured to associate with a disposable circuit comprising a separator and in communication with a source blood product having a first concentration and first volume. The apparatus and disposable circuit are configured to flow the source blood product into an inlet of the separator and separate supernatant of the source blood product from a first outlet of the separator into a filtrate container. ... Fenwal Inc

Indicating to a medical device performance of an operation by another medical device

A medical device includes a mechanism configured to perform a first medical operation, a scanner and a processing circuit. The scanner is configured to scan data displayed on a computer screen by a second medical device separate from the medical device. ... Fenwal Inc

Performing an apheresis procedure on a human subject with identity input data

A system for performing an apheresis procedure on a human subject includes an apheresis device having a communication channel in communication with a data storage device remote from the apheresis treatment device, an input device configured to receive an identity input data, wherein the identity input data comprises a combination of data, and a processing circuit. The processing circuit is configured to compare the identity input data to an identity of a human subject downloaded from the data storage device and, if the combination of data is consistent with two or more subject-specific information for a subject data entry, to provide access to an apheresis procedure operated according to the pre-programmed parameters on the apheresis device. ... Fenwal Inc

System and method for platelet removal during mononuclear cell collection

A method of collecting mononuclear cells, comprising separating whole blood into cellular components and platelets suspended in plasma, separating the platelets suspended in plasma into platelet concentrate and platelet-poor plasma, combining the cellular components with the platelet-poor plasma to form a first mixture, and separating the first mixture into mononuclear cells and at least one component.. . ... Fenwal Inc

Methods and systems for maintaining patient fluid balance during an extracorporeal therapeutic cell treatment

Methods and systems for maintaining patient fluid balance during an extracorporeal cell treatment are disclosed. The method includes minimizing the amount of saline or other fluid that is returned to the donor. ... Fenwal Inc

03/22/18 / #20180078694

Disposable fluid circuits for extracorporeal photopheresis with integrated source of photoactive agent

Disposable fluid circuits, systems utilizing disposable fluid circuits and methods for combining a treating agent with separated blood component are disclosed. The treating agent is contained within a container and the disposable fluid circuit includes one or more frangible cannulas located in one or more flow paths of the circuit that are selectively opened to establish flow communication between the treating agent container and a treatment container, and/or a separation chamber or other container.. ... Fenwal Inc

03/22/18 / #20180078582

Systems and methods for deriving and collecting platelet products

Systems and methods are provided for deriving a platelet product from a plurality of buffy coats. A plurality of buffy coats are separately collected, for example, using a conventional floor centrifuge. ... Fenwal Inc

03/15/18 / #20180072977

Cell processing system and method with fill options

A variety of fill options is provided for a cell processing system. Certain options relate to a syringe assembly that receives a product directly from a separator. ... Fenwal Inc

03/01/18 / #20180055986

Cassette having an integrated filter and bypass

A fluid processing system for controlling fluid flow comprising a cassette comprising defined passageways within a first portion of the cassette and a filter receptacle within a second portion of the cassette, an inlet port in communication with one or more of the defined passageways and an inlet side of the filter receptacle, an outlet port in communication with an outlet side of the filter receptacle, and a filter medium disposed within the filter receptacle between the inlet port and outlet port.. . ... Fenwal Inc

02/22/18 / #20180052978

Distributed computing system for blood processing procedures

A distributed computing system for managing blood processing procedures in a blood processing facility includes a system server, a plurality of computerized blood collection instruments, a network, a reception staff computer and an administrative level computer, with operations distributed among the various computing devices. The system server stores data identifiers for a plurality of different human operators. ... Fenwal Inc

02/08/18 / #20180039748

Processing blood donation data for presentation on operator interface

A system and method processes blood donation data for presentation on an operator interface. A handheld computing device has a touch screen display and a processing circuit to provide an icon associated with an executable application on a first display screen, the icon configured to be positioned along with icons for other executable applications on the first display screen. ... Fenwal Inc

01/18/18 / #20180015418

Cell processing system and method with centralized data management, monitoring and/or control

A network of cell processing systems including a plurality of cell processing instruments and a server computer. Each cell processing instrument includes a control circuit configured to operate the cell processing instrument according to a modifiable process parameter, a component of the cell processing instrument and a sensor configured to measure a characteristic of the component. ... Fenwal Inc

01/11/18 / #20180010612

Flexible impeller pumps and disposable fluid flow circuits incorporating such pumps

A disposable fluid pump is provided with a housing including first and second faces, with a sidewall extending between the first and second faces. The housing defines a chamber, with an inlet and an outlet in fluid communication with the chamber. ... Fenwal Inc

01/11/18 / #20180008812

Adapter for medical connectors

An adapter for making a fluid connection between first and second medical fluid flow components, where the first component includes a first male or female luer connector of a first configuration, and the component includes a second male female luer connector of a second configuration, that is not compatible with the first configuration, includes a fluid flow conduit with a first adapter connector at a first end of the conduit and a second adapter connector at a second end of the conduit. The conduit includes a fluid flow lumen extending between the first and second ends. ... Fenwal Inc

01/04/18 / #20180001242

Biological fluid filters having flexible walls and methods for making such filters

Flexible housing filters for filtration of fluids and methods of making such filters are disclosed. The filters may include one or more peripheral seals in the flexible housing.. ... Fenwal Inc

12/21/17 / #20170361086

Irreversibly closable flow control clamp

A flow control clamp having a first member and a second member movable from a first open position to a second irreversibly closed position wherein flow through a tube associated with the clamp is irreversibly prevented and cannot be restored. Systems and methods using such clamps are also disclosed.. ... Fenwal Inc

12/14/17 / #20170354770

Systems and methods for therapeutic platelet depletion

Systems and methods are provided for depleting platelets from blood. The system includes a multi-stage blood separation chamber in which blood is separated into red blood cells and platelet-rich plasma. ... Fenwal Inc

12/07/17 / #20170351841

Medical device connection status monitoring

A computer configured to monitor medical device data for presentation on a user interface. The computer comprises a processing circuit and a network interface circuit configured to provide communications over a network. ... Fenwal Inc

11/30/17 / #20170342366

Cell processing system and method with post-separation cell count control

A cell processing system includes a processor connectable to a source container filled with a biological fluid and one or more wash media containers. The processor includes a separator connectable to the source container and a product container, the separator configured to separate the biological fluid from the source container into at least two streams. ... Fenwal Inc

11/30/17 / #20170340799

Systems and methods for priming a fluid circuit

Methods and systems for priming a disposable fluid circuit for the processing of a biological fluid are disclosed. The methods and systems allow for variable and configurable priming of the flow path(s) leading to one or more biological fluid source containers.. ... Fenwal Inc

11/30/17 / #20170340783

Cell processing system and method with preliminary process evaluation

A cell processing system includes a processor connectable to a source container filled with a biological fluid, the processor including a separator configured to separate the biological fluid from the source container into at least two streams according to a process including at least one process parameter, and a controller coupled to the processor and an input. The controller is configured to receive the at least one process parameter, to evaluate the process using the at least one process parameter before performing the process, and to carry out one or more actions based on the evaluation, such as providing an output estimate to the operator, preventing the process from being performed according to a comparison between a calculated condition and a control, or providing an error indication to the operator according to the calculated condition and a measured in-process condition.. ... Fenwal Inc

11/16/17 / #20170326502

Method for controlling fouling during a spinning membrane filtration procedure

Methods for controlling a spinning membrane separator so as to limit fouling of the membrane by changing the rotation rate of the spinning membrane in response to the fouling rate, while maintaining a constant outlet cellular concentration. Increasing the spinner rotation rate will increase the strength of the taylor vortices generated within the separator by the spinning of the membrane, which should reduce fouling of the membrane. ... Fenwal Inc

11/09/17 / #20170319775

Systems and methods for performing online extracorporeal photopheresis

Systems and methods for performing online extracorporeal photopheresis of mononuclear cells are disclosed. Whole blood is removed from a patient and introduced through a processing set into a separation chamber to separate the desired cell population from the blood. ... Fenwal Inc

10/26/17 / #20170304513

Methods and systems for reducing the risk of bacterial contamination in collected platelets

Methods and systems for reducing bacterial contamination of platelets are disclosed. The methods and systems disclosed herein provide for the processing of a pre-determined volume of whole blood so as to reduce the risk that platelets separated and collected from the whole blood have a reduced risk of bacterial contamination.. ... Fenwal Inc

10/12/17 / #20170290972

Fluid processing cassette and sensor coupling system and method

A fluid processing cassette and sensor coupling system is disclosed, comprising a cassette comprising a cap having an opening formed by an inner cylindrical wall having a first diameter, an outer cylindrical wall having a second diameter, and a contact surface connecting the inner and outer cylindrical walls. The contact surface includes a varying diameter that decreases from the second diameter to the first diameter. ... Fenwal Inc

10/05/17 / #20170282531

Flexible biological fluid filters

Filter assemblies are processing biological fluid, such as blood or a blood component containing leukocytes. The filter assemblies include a flexible housing with first and second walls. ... Fenwal Inc

09/28/17 / #20170274134

Disposable fluid circuits and methods for cell washing

Systems and methods for the washing and processing of biological fluid/biological cells are disclosed. The systems and methods utilize a disposable fluid circuit including a spinning membrane separation device to wash the biological cells.. ... Fenwal Inc

09/14/17 / #20170262601

Cell processing system and method with process parameter control

A cell processing system includes a processor to receive a biological fluid to be processed, a controller coupled to the processor, the controller configured to operate the processor according to at least one modifiable process parameter, and at least one input coupled to the controller, the at least one input configured to receive an identifier and at least one process parameter control associated with the at least one process parameter that limits modification of the at least one process parameter if applied. The controller is configured to determine if the identifier is associated with an administrator authorization and to apply the at least one processor parameter control to the at least one process parameter if the identifier is associated with an administrator authorization.. ... Fenwal Inc

09/14/17 / #20170262590

Default data set distribution for medical devices

A computer-implemented medical device management method for distributing instructions to a plurality of medical devices, said method comprising providing via a drug library a first data set to be distributed to a parent organization having at least one child location, wherein the at least one child location collectively includes at least one target medical device identified by the first data set. The method also comprises receiving a first user input via a user interface to distribute the first data set to the parent organization. ... Fenwal Inc

09/07/17 / #20170252550

System and method for creating sterile connections using ultraviolet light

A device for connecting first and second medical fluid flow systems includes a linear movement carriage system that is positioned within a housing. The carriage system includes first and second connector holders configured to hold first and second connectors of the first and second medical fluid flow systems, respectively. ... Fenwal Inc

08/24/17 / #20170239403

System and method for improved fluid flow control within a fluid circuit cassette

A fluid processing system for controlling fluid flow comprises a cassette having a defined passageway on a first side. The first side includes flexible sheeting disposed over the passageway. ... Fenwal Inc

08/10/17 / #20170225177

Optical monitoring system for blood processing system

An optical monitoring system is provided for use with a blood processing system. The system includes a light source configured to illuminate a disposable flow circuit received in a centrifuge and a light detector configured to receive an image of the disposable flow circuit. ... Fenwal Inc

08/03/17 / #20170218330

Systems and methods for the separation of cells from microcarriers using a spinning membrane

Methods and systems for processing suspensions of biological cells and microcarriers are disclosed. The biological cells are separated from the microcarriers by introducing the suspension into a spinning membrane separator whereby the biological cells pass through the membrane and the microcarriers do not pass through the membrane.. ... Fenwal Inc

07/20/17 / #20170204371

Cell washing system and methods for washing small volumes of cells

A fluid circuit for cell washing is provided that comprises a spinning membrane separator and a fluid management system comprising a cassette that defines the fluid pathways, and including internally mechanical valving, pressure sensing and air sensing for controlling flow through the fluid pathways, thus minimizing the volume of the fluid circuit. Additionally, the fluid circuit comprises syringes that are acted on by syringe pumps associated with the hardware component of the system to provide pressure for moving fluid through the circuit. ... Fenwal Inc

07/13/17 / #20170197023

System and method for plasma purification prior to mononuclear cell collection

A method of collecting mononuclear cells, comprising separating whole blood into plasma and cellular components, combining the cellular components with plasma replacement fluid to form a first mixture, and separating the first mixture into mononuclear cells and at least one component.. . ... Fenwal Inc

06/29/17 / #20170182464

Membrane separation device having improved filtration velocity

A blood filtration device comprising a generally cylindrical housing having an interior wall. An interior member is mounted interior of the housing and comprises an outer surface having a porous membrane disposed thereon. ... Fenwal Inc

06/29/17 / #20170182239

Optical detection of lipids

Blood separation systems and methods are provided for detecting lipids in plasma that has been separated from a plasma-containing fluid, such as blood. The system includes a fluid processing region in which a plasma-containing fluid is separated into plasma and other fluid components. ... Fenwal Inc

06/08/17 / #20170157307

Systems for anticoagulating blood

Systems are provided for anticoagulating blood. Whole blood is drawn from a donor into a system at a draw flow rate. ... Fenwal Inc

06/01/17 / #20170151382

Biological fluid filters having flexible walls and methods for making such filters

Flexible housing filters for filtration of fluids and methods of making such filters are disclosed. The filters may include one or more peripheral seals in the flexible housing.. ... Fenwal Inc

05/18/17 / #20170136167

Flexible biological fluid filters

Filter assemblies are processing biological fluid, such as blood or a blood component containing leukocytes. The filter assemblies include a flexible housing with first and second walls. ... Fenwal Inc

05/11/17 / #20170131203

Interface detector for blood processing system

Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a centrifuge assembly having a light-transmissive portion, a light reflector, and a fluid processing region therebetween. ... Fenwal Inc

05/11/17 / #20170128656

Method for controlling fouling and complement protein activation during spinning membrane filtration of plasma from whole blood

A system and method are provided for controlling fouling and complement protein activation during separation of plasma from whole blood using a spinning membrane separator. The separator includes a pair of relatively rotating surfaces spaced apart to define a gap therebetween, with at least one of the surfaces comprising a membrane that allows plasma to pass therethrough but substantially prevents the passage of red cells. ... Fenwal Inc

05/04/17 / #20170119949

Systems and methods for automated air removal in products comprising biological fluids

Methods and systems are provided automatically removing air from a collection container for a blood product. The system comprises a disposable flow circuit including a tubing in fluid communication with the collection container and a durable hardware component. ... Fenwal Inc

04/13/17 / #20170100726

Bearing for umbilicus of a fluid processing system

A fluid circuit for use with a fluid processing assembly, the fluid circuit comprising an umbilicus having a first end, a second end, an axis of rotation, and a cross-sectional circumference; a one-piece bearing secured to the umbilicus at a location between the first and second ends, the bearing having an axis of rotation and including an inner lumen which directly engages the umbilicus and includes a plurality of traction features, which bear against the umbilicus to prevent relative rotation of the bearing and the umbilicus; and the plurality of traction features comprising a first traction feature configured to engage the umbilicus at a first set of lengths between the first and second ends and a second traction feature configured to engage the umbilicus at a second set of lengths between the first and second ends.. . ... Fenwal Inc

04/13/17 / #20170100578

Irreversibly closable flow control clamp

A flow control clamp having a first member and a second member movable from a first open position to a second irreversibly closed position wherein flow through a tube associated with the clamp is irreversibly prevented and cannot be restored. Systems and methods using such clamps are also disclosed.. ... Fenwal Inc

02/23/17 / #20170052124

Systems and methods for ensuring proper tubing installation for fluid processing systems

A fluid separation system is provided for separating a plasma-containing fluid into separated plasma and a concentrated fluid. The system cooperates with a fluid flow circuit including a fluid separation chamber and a plasma outlet line associated therewith for removing separated plasma from the fluid separation chamber. ... Fenwal Inc

02/23/17 / #20170049951

Methods and systems for processing and washing a photopheresis mononuclear cell product

Methods and systems for the treatment and post-treatment processing of a mononuclear cell product are disclosed. The methods and systems include and provide for the separation of excess conditioning fluid and unbound treating agent prior to return of said treated mononuclear cell product to a patient.. ... Fenwal Inc

02/16/17 / #20170043080

Centrifugation system with red blood cell barrier

Centrifugation systems and methods are provided for separating blood into its constituent parts. Inner and outer walls of a centrifuge each include a projection which extends toward the other wall. ... Fenwal Inc

02/16/17 / #20170042139

Medium and methods for the storage of red blood cells

An aqueous storage solution for the storage of red blood cells, comprising an aqueous solution and at least one lipid, wherein the at least one lipid is effective in suppressing hemolysis in red blood cells and wherein the at least one lipid is emulsified within the aqueous solution.. . ... Fenwal Inc

02/09/17 / #20170039423

Head mounted display device for use in a medical facility

A head-mounted display device for interface with a medical device configured to perform an invasive procedure on a patient, such as a blood component collection, an infusion, a feeding operation, etc.. . ... Fenwal Inc

02/02/17 / #20170029776

Systems and methods for detecting fluid leaks using a non-contact sensor

An irradiation device includes a fluid treatment chamber configured to receive a biological fluid container, the fluid treatment chamber having opposing first and second sides, at least one light source disposed adjacent at least one of the first and second sides of the fluid treatment chamber, and an overflow reservoir in fluid communication with the fluid treatment chamber to receive fluid leaking from the biological fluid container. The device also includes a non-contact sensor disposed adjacent the overflow reservoir and configured to generate a signal according to leaked fluid in the overflow reservoir, an indicator, and a controller coupled to the at least one light source, the non-contact sensor and the indicator, the controller configured to activate the indicator upon receipt of the signal from the sensor and to deactivate the at least one light source subsequent to receipt of the signal from the sensor.. ... Fenwal Inc

02/02/17 / #20170028122

Five-port blood separation chamber and methods of using the same

Systems and methods are provided for separating blood into two or more separated blood components. The system includes a blood separation chamber with a single stage having five ports connected thereto. ... Fenwal Inc

02/02/17 / #20170028121

Irradiation device for biological fluids

A device for irradiation of a biological product/substance is provided comprising a base; a tray having a first and second side associated with the base and configured to receive a container holding the biological product/substance to be irradiated; a first array of radiation-emitting bulbs mounted in the device adjacent the first side of the tray; a second array of radiation-emitting bulbs mounted in device adjacent a second side of the tray; a first filter mounted in the device between the tray and the first array of radiation-emitting bulbs for blocking and/or reflecting radiation emitted by the first array of a selected wavelength; and a second filter mounted in the device beneath the second array of radiation-emitting bulbs for blocking and/or reflecting radiation emitted by the second array of the selected wavelength.. . ... Fenwal Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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