GAS FLOW REVERSING ELEMENT
First Claim
1. A gas flow reversing element structured to be fluidly connected to a pressurized gas supply, the gas flow reversing element comprising:
- a main piece having first and second ends, said first end of said main piece defining at least one closable outlet opening, said at least one outlet opening being adjustable between a first closed state and a second open state;
a branching piece extending from said main piece to a distal end;
a line connector connected to the distal end of said branching piece;
a pressure connector connected to said second end of said main piece, said pressure connector being structured to be fluidly connected to the pressurized gas supply; and
a nozzle being configured and arranged in said main piece in such a way that a gas flow flowing in the main piece from said pressure connector through said nozzle to said at least one outlet opening, with said at least one outlet opening being disposed in said second open position, a gas flow can also be generated in said branching piece in a direction toward said at least one outlet opening, wherein the gas flow through said main piece from the branching piece to said at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of said at least one outlet opening.
3 Assignments
0 Petitions
Accused Products
Abstract
A gas flow reversing element is provided comprising a main piece defining at least one closable outlet opening, a branching piece extending from the main piece, a line connector connected to the distal end of the branching piece, a pressure connector connected to the main piece, the pressure connector being structured to be fluidly connected to a pressurized gas supply; and a nozzle being configured and arranged in the main piece in such a way that a gas flow flowing in the main piece from the pressure connector through the nozzle to the at least one outlet opening, with the at least one outlet opening being disposed in the second open position, a gas flow can also be generated in the branching piece in a direction toward the at least one outlet opening.
-
Citations
34 Claims
-
1. A gas flow reversing element structured to be fluidly connected to a pressurized gas supply, the gas flow reversing element comprising:
-
a main piece having first and second ends, said first end of said main piece defining at least one closable outlet opening, said at least one outlet opening being adjustable between a first closed state and a second open state; a branching piece extending from said main piece to a distal end; a line connector connected to the distal end of said branching piece; a pressure connector connected to said second end of said main piece, said pressure connector being structured to be fluidly connected to the pressurized gas supply; and a nozzle being configured and arranged in said main piece in such a way that a gas flow flowing in the main piece from said pressure connector through said nozzle to said at least one outlet opening, with said at least one outlet opening being disposed in said second open position, a gas flow can also be generated in said branching piece in a direction toward said at least one outlet opening, wherein the gas flow through said main piece from the branching piece to said at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of said at least one outlet opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A gas flow reversing element structured to be fluidly connected to a pressurized gas supply, the gas flow reversing element comprising:
-
a main piece having first and second ends, said first end of said main piece defining at least one closable outlet opening, said at least one outlet opening being adjustable between a first closed state and a second open state, and wherein said main piece defines a mixing channel; a branching piece extending from said main piece to a distal end; a line connector connected to the distal end of said branching piece; a pressure connector connected to said second end of said main piece, said pressure connector being structured to be fluidly connected to the pressurized gas supply; and a nozzle being configured and arranged in said main piece in such a way that a gas flow flowing in the main piece from said pressure connector through said nozzle and through said mixing channel to said at least one outlet opening, with said at least one outlet opening being disposed in said second open position, a gas flow can also be generated in said branching piece in a direction toward said at least one outlet opening, wherein the gas flow through said main piece from the branching piece to said at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of said at least one outlet opening with a volumetric flow rate which, at an excess pressure of 0.5 to 5 bar above atmospheric pressure at said pressure connector, is at least 8 liters per minute. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
-
27. A method for operating a gas flow reversing element, comprising:
-
providing a gas flow reversing element comprising; a main piece having first and second ends, the first end of the main piece defining at least one closable outlet opening, the at least one outlet opening being adjustable between a first closed state and a second open state; a branching piece extending from the main piece to a distal end; a line connector connected to the distal end of the branching piece; a pressure connector connected to the second end of the main piece, the pressure connector being structured to be fluidly connected to the pressurized gas supply; and a nozzle being configured and arranged in the main piece in such a way that a gas flow flowing in the main piece from the pressure connector through the nozzle to the at least one outlet opening, with the at least one outlet opening being disposed in the second open position, a gas flow can also be generated in the branching piece in a direction toward the at least one outlet opening, wherein the gas flow through the main piece from the branching piece to the at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of the at least one outlet opening; providing a catheter or a cannula; connecting the catheter or the cannula to the line connector with or without a tube in between; inserting the catheter or cannula into the airway of a patient; supplying gas from a pressurized gas supply to the pressure connector of the gas flow reversing element wherein a substantially constant gas pressure is applied to the pressure connector, and, in order to generate a gas flow to the line connector, the at least one outlet opening is closed and, in order to generate a gas flow from the line connector in the direction of the at least one outlet opening, the at least one outlet opening is opened. - View Dependent Claims (28)
-
-
29. A method for ventilating a patient, or assisting the breathing of a patient, comprising:
-
providing a gas flow reversing element comprising; a main piece having first and second ends, the first end of the main piece defining at least one closable outlet opening, the at least one outlet opening being adjustable between a first closed state and a second open state; a branching piece extending from the main piece to a distal end; a line connector connected to the distal end of the branching piece; a pressure connector connected to the second end of the main piece, the pressure connector being structured to be fluidly connected to the pressurized gas supply; and a nozzle being configured and arranged in the main piece in such a way that a gas flow flowing in the main piece from the pressure connector through the nozzle to the at least one outlet opening, with the at least one outlet opening being disposed in the second open position, a gas flow can also be generated in the branching piece in a direction toward the at least one outlet opening, wherein the gas flow through the main piece from the branching piece to the at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of the at least one outlet opening; providing a catheter or a cannula; connecting the catheter or the cannula to the line connector with or without a tube in between; inserting the catheter or cannula into the airway of a patient; and supplying oxygen from a pressurized gas supply to the pressure connector of the gas flow reversing element wherein an excess pressure of between 0.5 and 5 bar is set up at the pressure connector and the at least one outlet opening is closed intermittently such that oxygen passes into the patient'"'"'s airway and the at least one outlet opening is opened at intervals in order to aspirate gas out from the patient'"'"'s airway. - View Dependent Claims (30)
-
-
31. A method of ameliorating breathing obstructions in a subject, comprising:
-
providing a gas flow reversing element comprising; a main piece having first and second ends, the first end of the main piece defining at least one closable outlet opening, the at least one outlet opening being adjustable between a first closed state and a second open state; a branching piece extending from the main piece to a distal end; a line connector connected to the distal end of the branching piece; a pressure connector connected to the second end of the main piece, the pressure connector being structured to be fluidly connected to the pressurized gas supply; and a nozzle being configured and arranged in the main piece in such a way that a gas flow flowing in the main piece from the pressure connector through the nozzle to the at least one outlet opening, with the at least one outlet opening being disposed in the second open position, a gas flow can also be generated in the branching piece in a direction toward the at least one outlet opening, wherein the gas flow through the main piece from the branching piece to the at least one outlet opening has a flow cross section that is substantially constant or that increases in the direction of the at least one outlet opening; providing a catheter or a cannula; connecting the catheter or the cannula to the line connector with or without a tube in between; inserting the catheter or cannula into the airway of a patient; supplying oxygen from a pressurized gas supply to the pressure connector of the gas flow reversing element; and opening and closing the at least one outlet opening intermittently to inspirate and aspirate the subject such that the subject is normoventilated. - View Dependent Claims (32, 33, 34)
-
Specification