Blood/Air Mass Exchange Apparatus
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Accused Products
Abstract
There is provided a mass exchange apparatus (114) for use in blood/air mass exchange comprising plural blood flow conduits for defining a blood flow from a blood flow inlet provided thereto; and plural air flow conduits for defining an air flow from an air flow inlet provided thereto. The plural air flow conduits and plural blood flow conduits at least partially comprise gas-permeable membrane material, and the conduits are arranged relative to each other such as to enable transfer of oxygen from the air flow to the blood flow and transfer of carbon dioxide from the blood flow to the air flow through the membrane material. The apparatus additionally comprises at least one sensor (170) for sensing patient respiratory demand; and a controller (160) for controlling the rate of blood/air mass exchange by separate control of the levels of carbon dioxide and oxygen in the air flow responsive to the sensing of patient respiratory demand by the sensor.
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Citations
130 Claims
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1-65. -65. (canceled)
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66. A mass exchange apparatus for use in blood/air mass exchange comprising
(a) plural blood flow conduits for defining a blood flow from a blood flow inlet provided thereto; - and
(b) plural air flow conduits for defining an air flow from an air flow inlet provided thereto; wherein said plural airflow conduits and said plural blood flow conduits at least partially comprise gas-permeable membrane material, and the conduits are arranged relative to each other such as to enable transfer of oxygen from said air flow to said blood flow and transfer of carbon dioxide from said blood flow to the air flow through said membrane material, and wherein said apparatus additionally comprises (c) a sensor for sensing patient respiratory demand; and (d) a controller for controlling the rate of blood/air mass exchange by separate control of the levels of carbon dioxide and oxygen in the air flow responsive to the sensing of patient respiratory demand by the sensor. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107)
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108. A mixed-flow mass exchange apparatus for use in mass exchange comprising
(a) plural blood flow conduits for defining a blood flow from a blood flow inlet to a blood flow outlet provided thereto; - and
(b) plural air flow conduits for defining an air flow from an air flow inlet to an air flow outlet provided thereto; wherein said plural blood flow conduits and said plural airflow conduits at least partially comprise gas-permeable membrane material, and the conduits are arranged relative to each other such as to enable transfer of carbon dioxide from said blood flow to said air flow and transfer of oxygen from the air flow to the blood flow through said membrane material, and wherein said apparatus additionally comprises an adjuster that enables independent adjustment of the concentration of the carbon dioxide and oxygen in the blood flow. - View Dependent Claims (109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130)
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Specification