Patents by Inventor David S. Brown
David S. Brown has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220161277Abstract: Apparatus, systems and methods are disclosed relating to certain aspects of blood processing, collecting or storing, including method and system for automated authentication, processing device with scanner, blood container with two dimensional barcode, blood collection containers, blood container label and related tracking method, integrated container system, and processing device with sterile connection device.Type: ApplicationFiled: January 3, 2022Publication date: May 26, 2022Inventors: Carlos Calderon, Christopher Gassman, David S. Brown
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Patent number: 11247216Abstract: Apparatus, systems and methods are disclosed relating to certain aspects of blood processing, collecting or storing, including method and system for automated authentication, processing device with scanner, blood container with two dimensional barcode, blood collection containers, blood container label and related tracking method, integrated container system, and processing device with sterile connection device.Type: GrantFiled: June 16, 2020Date of Patent: February 15, 2022Assignee: Fenwal, Inc.Inventors: Carlos Calderon, Christopher Gassman, David S. Brown
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Patent number: 11235094Abstract: A system for dialysis is disclosed. An example peritoneal dialysis system includes a peritoneal dialysis machine including a pumping mechanism, and a sensor configured to measure a property of peritoneal dialysis fluid. The peritoneal dialysis system also includes a disposable cassette operable with the peritoneal dialysis machine. The disposable cassette includes a fluid source inlet for accepting fluid from a fluid source and a fluid flow path in fluid communication with the fluid source inlet. The fluid flow path includes a pump chamber operable with the pumping mechanism to pump fluid through the fluid flow path. The disposable cassette also includes a concentrate inlet for fluidly communicating concentrate to the fluid flow path, and a sensor chamber located along the fluid flow path and operable with the sensor. The sensor is configured to provide feedback to the peritoneal dialysis machine for mixing the concentrate for forming peritoneal dialysis fluid.Type: GrantFiled: July 29, 2019Date of Patent: February 1, 2022Assignees: Baxter International Inc.Inventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Patent number: 10857269Abstract: 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.Type: GrantFiled: July 28, 2017Date of Patent: December 8, 2020Assignee: Fenwal, Inc.Inventors: David S. Brown, Carlos Calderon
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Publication number: 20200316616Abstract: Apparatus, systems and methods are disclosed relating to certain aspects of blood processing, collecting or storing, including method and system for automated authentication, processing device with scanner, blood container with two dimensional barcode, blood collection containers, blood container label and related tracking method, integrated container system, and processing device with sterile connection device.Type: ApplicationFiled: June 16, 2020Publication date: October 8, 2020Inventors: Carlos Calderon, Christopher Gassman, David S. Brown
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Patent number: 10729829Abstract: 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. The apparatus and disposable circuit are also configured to separate platelets and remaining supernatant from a second outlet of the separator into a retentate container, wherein the platelets and remaining supernatant in the retentate container have a second concentration greater than the first concentration and second volume less than the first volume.Type: GrantFiled: October 31, 2017Date of Patent: August 4, 2020Assignee: Fenwal, Inc.Inventor: David S. Brown
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Patent number: 10730058Abstract: Apparatus, systems and methods are disclosed relating to certain aspects of blood processing, collecting or storing, including method and system for automated authentication, processing device with scanner, blood container with two dimensional barcode, blood collection containers, blood container label and related tracking method, integrated container system, and processing device with sterile connection device.Type: GrantFiled: September 13, 2016Date of Patent: August 4, 2020Assignee: Fenwal, Inc.Inventors: Carlos Calderon, Christopher Gassman, David S. Brown
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Publication number: 20190344004Abstract: A system for dialysis is disclosed. An example peritoneal dialysis system includes a peritoneal dialysis machine including a pumping mechanism, and a sensor configured to measure a property of peritoneal dialysis fluid. The peritoneal dialysis system also includes a disposable cassette operable with the peritoneal dialysis machine. The disposable cassette includes a fluid source inlet for accepting fluid from a fluid source and a fluid flow path in fluid communication with the fluid source inlet. The fluid flow path includes a pump chamber operable with the pumping mechanism to pump fluid through the fluid flow path. The disposable cassette also includes a concentrate inlet for fluidly communicating concentrate to the fluid flow path, and a sensor chamber located along the fluid flow path and operable with the sensor. The sensor is configured to provide feedback to the peritoneal dialysis machine for mixing the concentrate for forming peritoneal dialysis fluid.Type: ApplicationFiled: July 29, 2019Publication date: November 14, 2019Inventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Patent number: 10441706Abstract: 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. The system comprises a durable processing device configured to engage the first side of the cassette, the durable processing device comprising a valve actuator configured to engage the flexible sheeting at a valve location along the passageway. The system comprises a first pump configured to draw fluid away from the valve location along the passageway. The first pump is disposed downstream of the valve location. The system comprises a second pump configured to pump fluid towards the valve location along the defined passageway. The second pump is disposed upstream of the valve location. The first and second pumps are configured to operate in concert and configured to provide pressure to prevent collapsing of the flexible sheeting against the passageway during operation.Type: GrantFiled: February 17, 2017Date of Patent: October 15, 2019Assignee: Fenwal, Inc.Inventors: David S. Brown, Sukhraaj Basati
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Patent number: 10363352Abstract: A disposable set and system for dialysis are disclosed. An example peritoneal dialysis system includes an automated peritoneal dialysis (“APD”) machine comprising a pumping mechanism and a peritoneal dialysis fluid heater. The example peritoneal dialysis system also includes a disposable set comprising a disposable cassette operable with the pumping mechanism and a heater bag operable with the heater. The example peritoneal dialysis system additionally includes a conductivity sensor positioned and arranged to provide feedback to the APD machine. The example APD machine is configured to mix a peritoneal dialysis fluid for treatment in the heater bag using a plurality of peritoneal dialysis constituent fluids. In addition, the example APD machine is configured to use feedback from the conductivity sensor to evaluate the mixed peritoneal dialysis fluid for treatment.Type: GrantFiled: February 27, 2018Date of Patent: July 30, 2019Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Patent number: 10179200Abstract: A disposable cassette and system for dialysis are disclosed. An example disposable cassette includes a rigid portion, a fluid source inlet configured to be placed in fluid communication with a fluid source, and a fluid pumping receptacle placed in fluid communication with the fluid source inlet. The fluid pumping receptacle is configured to operate with a fluid pump actuator to pump fluid from the fluid source. The example disposable cassette also includes a dampening chamber formed as part of the rigid portion and in fluid communication with the fluid pumping receptacle. The dampening chamber is sized and arranged to reduce pressure fluctuations in the fluid delivered from the fluid pumping receptacle. The example disposable cassette further includes an outlet in fluid communication with the dampening chamber. The outlet provides dialysis fluid for a dialysis treatment.Type: GrantFiled: November 10, 2017Date of Patent: January 15, 2019Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Publication number: 20180243759Abstract: Apparatus, systems and methods are disclosed relating to certain aspects of blood processing, collecting or storing, including method and system for automated authentication, processing device with scanner, blood container with two dimensional barcode, blood collection containers, blood container label and related tracking method, integrated container system, and processing device with sterile connection device.Type: ApplicationFiled: September 13, 2016Publication date: August 30, 2018Inventors: Carlos Calderon, Christopher Gassman, David S. Brown
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Publication number: 20180185561Abstract: A disposable set and system for dialysis are disclosed. An example peritoneal dialysis system includes an automated peritoneal dialysis (“APD”) machine comprising a pumping mechanism and a peritoneal dialysis fluid heater. The example peritoneal dialysis system also includes a disposable set comprising a disposable cassette operable with the pumping mechanism and a heater bag operable with the heater. The example peritoneal dialysis system additionally includes a conductivity sensor positioned and arranged to provide feedback to the APD machine. The example APD machine is configured to mix a peritoneal dialysis fluid for treatment in the heater bag using a plurality of peritoneal dialysis constituent fluids. In addition, the example APD machine is configured to use feedback from the conductivity sensor to evaluate the mixed peritoneal dialysis fluid for treatment.Type: ApplicationFiled: February 27, 2018Publication date: July 5, 2018Inventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Publication number: 20180133655Abstract: 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. The apparatus and disposable circuit are also configured to separate platelets and remaining supernatant from a second outlet of the separator into a retentate container, wherein the platelets and remaining supernatant in the retentate container have a second concentration greater than the first concentration and second volume less than the first volume.Type: ApplicationFiled: October 31, 2017Publication date: May 17, 2018Inventor: David S. Brown
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Publication number: 20180078691Abstract: A disposable cassette and system for dialysis are disclosed. An example disposable cassette includes a rigid portion, a fluid source inlet configured to be placed in fluid communication with a fluid source, and a fluid pumping receptacle placed in fluid communication with the fluid source inlet. The fluid pumping receptacle is configured to operate with a fluid pump actuator to pump fluid from the fluid source. The example disposable cassette also includes a dampening chamber formed as part of the rigid portion and in fluid communication with the fluid pumping receptacle. The dampening chamber is sized and arranged to reduce pressure fluctuations in the fluid delivered from the fluid pumping receptacle. The example disposable cassette further includes an outlet in fluid communication with the dampening chamber. The outlet provides dialysis fluid for a dialysis treatment.Type: ApplicationFiled: November 10, 2017Publication date: March 22, 2018Inventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Publication number: 20180055986Abstract: 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.Type: ApplicationFiled: July 28, 2017Publication date: March 1, 2018Inventors: David S. Brown, Carlos Calderon
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Patent number: 9814820Abstract: A hemodialysis system including (i) a dialyzer, (ii) a blood circuit including a blood pump in fluid communication with the dialyzer, (iii) a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, the dialysate circuit further including a sorbent cartridge for cleaning used dialysate, (iv) a dialysate reservoir, (v) a reservoir pump in fluid communication with the dialysate circuit and the dialysate reservoir, (vi) a supply of concentrate for reconstituting dialysate in the dialysate circuit, and (vii) wherein the hemodialysis system is configured to electronically weigh the dialysate reservoir and the supply of concentrate.Type: GrantFiled: December 2, 2013Date of Patent: November 14, 2017Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buchmann, Paul Soltys
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Patent number: 9764074Abstract: A regenerative peritoneal dialysis system includes a dialysis fluid loop; a filter located in the dialysis fluid loop, a first portion of the dialysis fluid sent to the filter rejected by the filter and returned upstream of the filter, a second portion of the dialysis fluid sent to the filter forming permeate, the permeate being rich in urea; and a urea removing apparatus located in the dialysis fluid loop downstream from the filter to receive the permeate and absorb urea from the permeate.Type: GrantFiled: March 24, 2015Date of Patent: September 19, 2017Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Robert W. Childers, David S. Brown, Ramesh Wariar, Sujatha Karoor, Shahid Din, Leo Martis, Cody Buckman, Paul Soltys
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Publication number: 20170239403Abstract: 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. The system comprises a durable processing device configured to engage the first side of the cassette, the durable processing device comprising a valve actuator configured to engage the flexible sheeting at a valve location along the passageway. The system comprises a first pump configured to draw fluid away from the valve location along the passageway. The first pump is disposed downstream of the valve location. The system comprises a second pump configured to pump fluid towards the valve location along the defined passageway. The second pump is disposed upstream of the valve location. The first and second pumps are configured to operate in concert and configured to provide pressure to prevent collapsing of the flexible sheeting against the passageway during operation.Type: ApplicationFiled: February 17, 2017Publication date: August 24, 2017Inventors: David S. Brown, Sukhraaj Basati
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Patent number: 9294451Abstract: A system is provided that includes a receiving component a first encrypting component and a second encrypting component. The receiving component can receive, from a first user, item identification data based on a tangible item and an ownership verification indicator. The receiving component can also receive, from the first user, image data based on the tangible item. The first encrypting component can generate encrypted item identification data based on the item identification data. The second encrypting component operable to generate encrypted image data based on the image data. The resultant set of encrypted information is stored so as to associate the image and the ownership data for use later as proof of ownership of an item and its associated rights.Type: GrantFiled: March 13, 2014Date of Patent: March 22, 2016Assignee: Google Technology Holdings LLCInventors: David S. Brown, Lorin F. Decker, Mark G. Depietro, Sean P. Matthews