公开(公告)号：US10099001B2

公开(公告)日：2018-10-16

申请号：US15371803

申请日：2016-12-07

Applicant: Medtronic, Inc.

Inventor： Michael Gloss ,  Eric Boone ,  Neil Nye ,  Hanam Pham

IPC: A61M37/00 ,  A61M1/36 ,  B01D35/02

Abstract: An extracorporeal reservoir device including a housing, a venous inlet sub-assembly, and a venous filter. The venous sub-assembly is mounted to the housing and includes a downtube and a luer port connector body. The connector body extends from the downtube and forms a passageway open to a lumen of the downtube. The connector body is arranged such that fluid flow from the passageway merges with a flow path of fluid along the primary lumen at an angle of less than 90°. Secondary blood flow through the port connector body is less likely to induce turbulent flow into venous blood flow within the downtube, and is thus less likely to break up any bubbles carried by the venous blood. For example, at port flow rates of less than 500 mL/minute, fluid flow from the port connector body does not induce turbulent flow into fluid flowing through the primary lumen.

公开(公告)号：US12274821B2

公开(公告)日：2025-04-15

申请号：US17497371

申请日：2021-10-08

Applicant: Medtronic, Inc.

Inventor： John Knoll ,  Neil Nye ,  Brian Steffens ,  Michael Van Driel

IPC: A61M1/16 ,  A61M1/36 ,  B01D63/04 ,  B01D71/26

Abstract: An oxygenator apparatus for use in an extracorporeal circuit. The apparatus includes a housing and a membrane assembly disposed within the housing. The membrane assembly includes a first plurality of gas exchange elements disposed in a first zone and a second plurality of gas exchange elements disposed in a second zone. The second zone is arranged concentrically around the first zone. The first and second plurality of gas exchange elements are fluidly open along a body and fluidly separated along a distal end. The first zone is configured to be fluidly coupled to an oxygen source and the second zone is configured to be fluidly coupled to a negative pressure source. A blood flow path includes a generally radial flow through the first zone to add oxygen to the blood and the second zone to separate gaseous micro emboli from the blood through the plurality of gas exchange elements.

公开(公告)号：US20220023520A1

公开(公告)日：2022-01-27

申请号：US17497371

申请日：2021-10-08

Applicant: Medtronic, Inc.

Inventor： John Knoll ,  Neil Nye ,  Brian Steffens ,  Michael Van Driel

IPC: A61M1/16 ,  A61M1/36 ,  B01D63/04 ,  B01D71/26

Abstract: An oxygenator apparatus for use in an extracorporeal circuit. The apparatus includes a housing and a membrane assembly disposed within the housing. The membrane assembly includes a first plurality of gas exchange elements disposed in a first zone and a second plurality of gas exchange elements disposed in a second zone. The second zone is arranged concentrically around the first zone. The first and second plurality of gas exchange elements are fluidly open along a body and fluidly separated along a distal end. The first zone is configured to be fluidly coupled to an oxygen source and the second zone is configured to be fluidly coupled to a negative pressure source. A blood flow path includes a generally radial flow through the first zone to add oxygen to the blood and the second zone to separate gaseous micro emboli from the blood through the plurality of gas exchange elements.

公开(公告)号：US11141517B2

公开(公告)日：2021-10-12

申请号：US16170390

申请日：2018-10-25

Applicant: Medtronic, Inc.

Inventor： John I. Knoll ,  Neil Nye ,  Brian Steffens ,  Michael Van Driel

IPC: A61M1/16 ,  A61M1/36 ,  B01D63/04 ,  B01D71/26

Abstract: An oxygenator apparatus for use in an extracorporeal circuit. The apparatus includes a housing and a membrane assembly disposed within the housing. The membrane assembly includes a first plurality of gas exchange elements disposed in a first zone and a second plurality of gas exchange elements disposed in a second zone. The second zone is arranged concentrically around the first zone. The first and second plurality of gas exchange elements are fluidly open along a body and fluidly separated along a distal end. The first zone is configured to be fluidly coupled to an oxygen source and the second zone is configured to be fluidly coupled to a negative pressure source. A blood flow path includes a generally radial flow through the first zone to add oxygen to the blood and the second zone to separate gaseous micro emboli from the blood through the plurality of gas exchange elements.

公开(公告)号：US20170087293A1

公开(公告)日：2017-03-30

申请号：US15371803

申请日：2016-12-07

Applicant: Medtronic, Inc.

Inventor： Michael Gloss ,  Eric Boone ,  Neil Nye ,  Hanam Pham

IPC: A61M1/36 ,  B01D35/02

CPC classification number: A61M1/367 ,  A61M1/3627 ,  A61M1/3632 ,  A61M1/3633 ,  B01D35/02

Abstract: An extracorporeal reservoir device including a housing, a venous inlet sub-assembly, and a venous filter. The venous sub-assembly is mounted to the housing and includes a downtube and a luer port connector body. The connector body extends from the downtube and forms a passageway open to a lumen of the downtube. The connector body is arranged such that fluid flow from the passageway merges with a flow path of fluid along the primary lumen at an angle of less than 90°. Secondary blood flow through the port connector body is less likely to induce turbulent flow into venous blood flow within the downtube, and is thus less likely to break up any bubbles carried by the venous blood. For example, at port flow rates of less than 500 mL/minute, fluid flow from the port connector body does not induce turbulent flow into fluid flowing through the primary lumen.