Patents by Inventor Anders Wellings

Anders Wellings 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).

  • Patent number: 11939251
    Abstract: A peritoneal dialysis system includes a cycler including a pump actuator, a heater and a heating pan operable with the heater, and a disposable set operable with the cycler. The heating pan includes a sidewall forming a slot. The disposable set includes a pumping cassette and a heater/mixing container. The pumping cassette includes a pump chamber configured to be actuated by the pump actuator. Additionally, the heater/mixing container is in fluid communication with the pumping cassette and is sized to be received at the heating pan. The heater/mixing container includes a port configured such that when the port is slid into the slot of the heater pan sidewall, the port is prevented from rotating about an axis transverse to a direction of flow through the port.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: March 26, 2024
    Assignee: Gambro Lundia AB
    Inventors: Jane E. Fitzgerald, Ryan P. Marry, John S. Norman, James D. Ascenzo, Meng-Yang Chen, Anders Wellings, Edward S. Szpara, Olof Jansson
  • Publication number: 20230331613
    Abstract: A method and a system (10a) comprising an integrated water purifying apparatus (110) with a pre-filter circuit (402) including a particle filter and an activated carbon filter for producing pre-treated water; a fluid circuit (404) arranged to receive pre-treated water from the pre-filter circuit (402), the fluid circuit (404) includes an RO-pump (450) and a Reverse Osmosis, RO, device, (301) arranged to produce purified water; a heating device (302) arranged to heat purified water to a temperature above 65° C.; the water purifying apparatus (110) further arranged to heat disinfect the fluid circuit (404) using the heated purified water. The system further comprises a line set (40) connected to the purified water outlet connector (128) at a water line connector (68), the line set (40) including at least one sterile sterilizing grade filter (70a, 70b) arranged to filter the purified water into sterile purified water.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Inventors: Anders WIESLANDER, Olof JANSSON, Per-Ola WICTOR, Anders WELLINGS, Helena JEPPSSON
  • Patent number: 11730872
    Abstract: A medical fluid delivery system includes a source of purified water; a source of concentrate for mixing with water from the water source; a disposable set including a pumping portion, a water line in fluid communication with the source of purified water and the pumping portion, the water line including a filter for filtering the water, a concentrate line in fluid communication with the concentrate source and the pumping portion, and a heater/mixing container in fluid communication with the pumping portion; a medical fluid delivery machine including, a pump actuator operable with the pumping portion of the disposable set, and a heater/mixing pan configured to support the heater/mixing container; and at least one leveling foot positioned and arranged to enable the heater/mixing pan to be oriented in a desired position for mixing the concentrate and purified water. A leveling tray and leveling foot are provided additionally.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: August 22, 2023
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: John S. Norman, Edward S. Szpara, Anders Wellings
  • Patent number: 11718546
    Abstract: A method and a system comprising an integrated water purifying apparatus with a pre-filter circuit including a particle filter and an activated carbon filter arranged to produce pre-treated water; a fluid circuit arranged to receive pre-treated water from the pre-filter circuit, the fluid circuit including an RO-pump and a Reverse Osmosis (RO) device arranged to produce purified water; a heating device arranged to heat purified water from the RO device to a temperature above 65°0 C.; the water purifying apparatus further arranged to heat disinfect the fluid circuit using the heated purified water. The system further comprises a line set connected to the purified water outlet connector at a water line connector of the line set, wherein the line set includes at least one sterile sterilizing grade filter arranged to further filter the purified water.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 8, 2023
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Anders Wieslander, Olof Jansson, Per-Ola Wictor, Anders Wellings, Helena Jeppsson
  • Publication number: 20230202896
    Abstract: A method and a system (10a) comprising an integrated water purifying apparatus (110) with a pre-filter circuit (402) including a particle filter and an activated carbon filter arranged to produce pre-treated water; a fluid circuit (404) arranged to receive pre-treated water from the pre-filter circuit (402), the fluid circuit (404) includes an RO-pump (450) and a Reverse Osmosis, RO, device, (301) arranged to produce purified water; a heating device (302) arranged to heat purified water from the RO device (301) to a temperature above 65°; the water purifying apparatus (110) is further arranged to heat disinfect the fluid circuit (404) using the heated purified water. The system (1) further comprises a line set (40) connected to the purified water outlet connector (128) at a water line connector (68) of the line set (40), wherein the line set (40) includes at least one sterile sterilizing grade filter (70a, 70b) arranged to filter the purified water into sterile purified water.
    Type: Application
    Filed: November 6, 2017
    Publication date: June 29, 2023
    Inventors: Anders WIESLANDER, Olof JANSSON, Per-Ola WICTOR, Anders WELLINGS, Helena JEPPSSON
  • Publication number: 20230154305
    Abstract: A peritoneal dialysis system includes a control unit configured to (i) store a sleep state pattern for the patient, (ii) begin a patient drain followed by a patient fill when at least one sensor indicates that the patient is in a deep sleep state, (iii) extend a dwell period if the sleep state pattern indicates that the patient will enter a subsequent deep sleep state within a first time duration after a programmed dwell period, and (iv) shorten the dwell period if the sleep state pattern indicates that the patient will leave the deep sleep state within a second time duration after an end of the programmed dwell period. The system alternatively or additionally assesses or records a stress level of and/or a fluid/caloric intake by the patient and takes actions accordingly.
    Type: Application
    Filed: November 11, 2022
    Publication date: May 18, 2023
    Inventors: Vishnu Shyam, Sven Gustafson, Mikael Lindhult, Per-Olof Borgqvist, Peter Drennan, Mattias Holmer, Jeshrene Enerio, Elizabeth Ashley Mensing, Shawn Collin Oppegard, Nicole Alexandra Chen, Arvind Mishra, Anders Wellings, Leah Swanson, Richard Zanni, Joan Angela Cianciolo, Jorge Augusto Del Castillo, Matthew Muller, Bhavesh Padmani
  • Patent number: 11491321
    Abstract: A pneumatic system for a medical fluid machine operating a medical fluid cassette, the pneumatic system including an interface for supplying positive pneumatic pressure and negative pneumatic pressure to the medical fluid cassette; a source of positive pneumatic pressure; a source of negative pneumatic pressure; and a pneumatic pump including a first head and a second head, wherein the first head is dedicated to supplying positive pneumatic pressure to the positive pneumatic pressure source and the second head is dedicated to supplying negative pneumatic pressure to the negative pneumatic pressure source.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: November 8, 2022
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Paul R. Chapman, Robert W. Childers, Gideon Hecht, Anders Wellings
  • Publication number: 20210363030
    Abstract: A method and apparatus for evaluating a condition of a water purification system (40, 110) comprising a water purification apparatus (110) arranged to output purified water through an outlet (128) and through at least one sterilizing grade filter (70a, 70b) of a line set (40) fluidly connected to the outlet (128), the method comprises: monitoring a flow rate (S1) correlated with the flow rate of the purified water flowing through the at least one sterilizing grade filter (70a, 70b); monitoring a pressure (S2) correlated with the pressure of the purified water flowing to the at least one sterilizing grade filter (70a, 70b); and evaluating (S3) a condition of the water purification system based on a relationship between the monitored flow rate and the monitored pressure.
    Type: Application
    Filed: May 9, 2019
    Publication date: November 25, 2021
    Inventors: Per-Ola WICTOR, Carl-Henry ÖRNDAL, Henrik LINDGREN, Anders WELLINGS, Edward SZPARA
  • Publication number: 20210220539
    Abstract: A dialysis system includes a source of water; a concentrate for mixing with the water a disposable set including a pumping portion, a water line in fluid including a filter for filtering the water, a concentrate line in fluid communication with the source of water and the pumping portion; and a medical fluid delivery machine including a pump actuator operable with the pumping portion, a pressure sensor, and a control unit programmed to cause (i) the pump actuator to pump water to wet a membrane of the filter, thereafter remove at least some of the water from the filter, and pressurize a portion of the water line leading from the pumping portion to the filter, (ii) the pressure sensor to sense pressure in the pressurized portion of the water line, and (iii) an analysis of the sensed pressure to be performed to evaluate the integrity of the filter.
    Type: Application
    Filed: May 16, 2019
    Publication date: July 22, 2021
    Inventors: Anders WELLINGS, Edward S. SZPARA, Michael P. MORRISSEY
  • Publication number: 20210015987
    Abstract: A peritoneal dialysis system includes a cycler including a pump actuator, a heater and a heating pan operable with the heater, and a disposable set operable with the cycler. The heating pan includes a sidewall forming a slot. The disposable set includes a pumping cassette and a heater/mixing container. The pumping cassette includes a pump chamber configured to be actuated by the pump actuator. Additionally, the heater/mixing container is in fluid communication with the pumping cassette and is sized to be received at the heating pan. The heater/mixing container includes a port configured such that when the port is slid into the slot of the heater pan sidewall, the port is prevented from rotating about an axis transverse to a direction of flow through the port.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Jane E. Fitzgerald, Ryan P. Marry, John S. Norman, James D. Ascenzo, Meng-Yang Chen, Anders Wellings, Edward S. Szpara, Olof Jansson
  • Patent number: 10828412
    Abstract: A peritoneal dialysis system includes a cycler including a pump actuator, a heater and a heating pan operable with the heater, and a disposable set operable with the cycler. The heating pan includes a sidewall forming a slot. The disposable set includes a pumping cassette and a heater/mixing container. The pumping cassette includes a pump chamber configured to be actuated by the pump actuator. Additionally, the heater/mixing container is in fluid communication with the pumping cassette and is sized to be received at the heating pan. The heater/mixing container includes a port configured such that when the port is slid into the slot of the heater pan sidewall, the port is prevented from rotating about an axis transverse to a direction of flow through the port.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: November 10, 2020
    Assignee: Gambro Lundia AB
    Inventors: Jane E. Fitzgerald, Ryan P. Marry, John S. Norman, James D. Ascenzo, Meng-Yang Chen, Anders Wellings, Edward S. Szpara, Olof Jansson
  • Publication number: 20200338117
    Abstract: Methods and systems are provided for preparing a ready-to-use peritoneal dialysis fluid for peritoneal dialysis of a patient having a deficiency in potassium. The methods comprise mixing, immediately before administration to the patient, appropriate amounts of at least a first concentrate, a second concentrate, and a third concentrate with an appropriate amount of water to form a ready-to-use dialysis fluid. The first concentrate comprises glucose, has a pH of between 1.5 and 4, and is free of potassium ions; the second concentrate comprises a physiologically acceptable buffer and is free of potassium ions; and the third concentrate comprises the physiologically acceptable buffer and potassium ions.
    Type: Application
    Filed: October 25, 2018
    Publication date: October 29, 2020
    Inventors: Anders WIESLANDER, Olof JANSSON, Anders WELLINGS
  • Patent number: 10716886
    Abstract: A peritoneal dialysis system includes a disposable set, source(s) of concentrate(s), a water purifier, a sensor, and a control unit. The disposable set includes a water port, an inlet port, a drain port, a water line in fluid communication with the water port, a drain line in fluid communication with the drain port, and a container to hold a dialysis fluid prepared by mixing water and the concentrate(s). The source(s) of concentrate(s) are in fluid communication with the inlet port, and the water purifier is configured to purify water and feed the water towards the water port so the sensor can detect a fluid property. The control unit is configured to deliver dialysis fluid mixed in the disposable set to the drain line and water purified by the water purifier along the water line, into the disposable set, and out the drain line to push dialysis fluid to the sensor.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: July 21, 2020
    Assignee: GAMBRO LUNDIA AB
    Inventors: Anders Wieslander, Anders Wellings, Olof Jansson
  • Publication number: 20200069856
    Abstract: A pneumatic system for a medical fluid machine operating a medical fluid cassette, the pneumatic system including an interface for supplying positive pneumatic pressure and negative pneumatic pressure to the medical fluid cassette; a source of positive pneumatic pressure; a source of negative pneumatic pressure; and a pneumatic pump including a first head and a second head, wherein the first head is dedicated to supplying positive pneumatic pressure to the positive pneumatic pressure source and the second head is dedicated to supplying negative pneumatic pressure to the negative pneumatic pressure source.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 5, 2020
    Inventors: Paul R. Chapman, Robert W. Childers, Gideon Hecht, Anders Wellings
  • Publication number: 20200069858
    Abstract: A method and a system (10a) comprising an integrated water purifying apparatus (110) with a pre-filter circuit (402) including a particle filter and an activated carbon filter arranged to produce pre-treated water; a fluid circuit (404) arranged to receive pre-treated water from the pre-filter circuit (402), the fluid circuit (404) includes an RO-pump (450) and a Reverse Osmosis, RO, device, (301) arranged to produce purified water; a heating device (302) arranged to heat purified water from the RO device (301) to a temperature above 65°; the water purifying apparatus (110) is further arranged to heat disinfect the fluid circuit (404) using the heated purified water. The system (1) further comprises a line set (40) connected to the purified water outlet connector (128) at a water line connector (68) of the line set (40), wherein the line set (40) includes at least one sterile sterilizing grade filter (70a, 70b) arranged to filter the purified water into sterile purified water.
    Type: Application
    Filed: November 6, 2017
    Publication date: March 5, 2020
    Inventors: Anders WIESLANDER, Olof JANSSON, Per-Ola WICTOR, Anders WELLINGS, Helena JEPPSSON
  • Publication number: 20190351124
    Abstract: A medical fluid delivery system includes a source of purified water; a source of concentrate for mixing with water from the water source; a disposable set including a pumping portion, a water line in fluid communication with the source of purified water and the pumping portion, the water line including a filter for filtering the water, a concentrate line in fluid communication with the concentrate source and the pumping portion, and a heater/mixing container in fluid communication with the pumping portion; a medical fluid delivery machine including, a pump actuator operable with the pumping portion of the disposable set, and a heater/mixing pan configured to support the heater/mixing container; and at least one leveling foot positioned and arranged to enable the heater/mixing pan to be oriented in a desired position for mixing the concentrate and purified water. A leveling tray and leveling foot are provided additionally.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 21, 2019
    Inventors: John S. Norman, Edward S. Szpara, Anders Wellings
  • Patent number: 10471192
    Abstract: A medical fluid pneumatic manifold system includes a first plate including a plurality of apertures, a second plate attached to the first plate so as to form a plurality of pneumatic flowpaths sealed between the first plate and the second plate, a plurality of tubing connections and a plurality of pneumatic tubes connected to the plurality of tubing connections, the plurality of tubing connections placing the plurality of pneumatic tubes in pneumatic communication with the plurality of pneumatic flowpaths via the plurality of apertures of the first plate, and a pneumatic reservoir in pneumatic communication with the plurality of pneumatic flowpaths, the pneumatic reservoir configured to provide pneumatic pressure to the plurality of pneumatic tubes.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: November 12, 2019
    Assignees: Baxter International Inc., Baxter Healthcare SA
    Inventors: Paul R. Chapman, Robert W. Childers, Gideon Hecht, Anders Wellings
  • Publication number: 20170319769
    Abstract: A peritoneal dialysis system includes a disposable set, source(s) of concentrate(s), a water purifier, a sensor, and a control unit. The disposable set includes a water port, an inlet port, a drain port, a water line in fluid communication with the water port, a drain line in fluid communication with the drain port, and a container to hold a dialysis fluid prepared by mixing water and the concentrate(s). The source(s) of concentrate(s) are in fluid communication with the inlet port, and the water purifier is configured to purify water and feed the water towards the water port so the sensor can detect a fluid property. The control unit is configured to deliver dialysis fluid mixed in the disposable set to the drain line and water purified by the water purifier along the water line, into the disposable set, and out the drain line to push dialysis fluid to the sensor.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 9, 2017
    Inventors: Anders Wieslander, Anders Wellings, Olof Jansson
  • Publication number: 20170319770
    Abstract: A peritoneal dialysis system includes a cycler including a pump actuator, a heater and a heating pan operable with the heater, and a disposable set operable with the cycler. The heating pan includes a sidewall forming a slot. The disposable set includes a pumping cassette and a heater/mixing container. The pumping cassette includes a pump chamber configured to be actuated by the pump actuator. Additionally, the heater/mixing container is in fluid communication with the pumping cassette and is sized to be received at the heating pan. The heater/mixing container includes a port configured such that when the port is slid into the slot of the heater pan sidewall, the port is prevented from rotating about an axis transverse to a direction of flow through the port.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 9, 2017
    Inventors: Jane E. Fitzgerald, Ryan P. Marry, John S. Norman, James D. Ascenzo, Meng-Yang Chen, Anders Wellings, Edward S. Szpara, Olof Jansson
  • Publication number: 20170189592
    Abstract: A medical fluid pneumatic manifold system includes a first plate including a plurality of apertures, a second plate attached to the first plate so as to form a plurality of pneumatic flowpaths sealed between the first plate and the second plate, a plurality of tubing connections and a plurality of pneumatic tubes connected to the plurality of tubing connections, the plurality of tubing connections placing the plurality of pneumatic tubes in pneumatic communication with the plurality of pneumatic flowpaths via the plurality of apertures of the first plate, and a pneumatic reservoir in pneumatic communication with the plurality of pneumatic flowpaths, the pneumatic reservoir configured to provide pneumatic pressure to the plurality of pneumatic tubes.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 6, 2017
    Inventors: Paul R. Chapman, Robert W. Childers, Gideon Hecht, Anders Wellings