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US 6,805,125 B1Granted
Respiratory suction catherer apparatus
AssigneeBallard Medical Products
InventorsChet M. Crump, Edward B. Madsen, V. Roland Smith
Life of this patent
Estimating the term…
Abstract
An improved respiratory suction apparatus—catheter includes a manifold for attachment to the distal hub of an endotracheal tube to form a respiration circuit, a catheter tube which is displaceable through the manifold and into the endotracheal tube to suction secretions from the tube and lungs, and a valve mechanism disposed adjacent the respiration circuit to minimize the draw of air from the respiration circuit of a patient while the catheter is being cleaned. In a preferred embodiment of the invention, the catheter is cleaned more thoroughly than in the prior art while simultaneously drawing little or no air from the patient's respiration circuit.
Claims41
An endotracheal suction catheter apparatus comprising:
- a catheter configured for removing fluids from a respiratory tract of a patient by applying negative pressure to a lumen of the catheter;
- a manifold defining a ventilation circuit disposed in communication with the catheter so as to allow the catheter to be advanced through the ventilation circuit of the manifold and into the respiratory tract of the patient, the manifold having a port with a longitudinal axis;
- a valve disposed in the manifold, the valve comprising a single flap hingedly attached to an annular ring, the single flap pivotable with respect to the annular ring and the valve configured to selectively limit the withdrawal of air from the ventilation circuit, the single flap being actuated by suction through the catheter, the single flap being movable between a first, open distal position and a second, proximal position in which the single flap is positioned substantially perpendicular to the longitudinal axis of the port of the manifold;
- and
- a biasing hinge biasing the single flap of the valve to the first distal position, the biasing hinge attached to the annular ring and the single flap.
2 more elements
An endotracheal catheter system comprising:
- an elongated catheter having a tubular portion with a distal end;
- a manifold defining a portion of a ventilator circuit disposed in communication with the catheter so as to allow the catheter to be advanced through the ventilator circuit of the manifold and into a respiratory tract of a patient, the manifold having an introduction port for allowing the catheter to be introduced into the manifold, the introduction port having a longitudinal axis;
- a self-closing valve member comprising a single flap which is moveable between open and closed positions and which is disposed adjacent the catheter to selectively isolate the catheter from the ventilator circuit in the manifold, the self-closing valve member being capable of being opened by insertion of said tubular portion of said catheter through the ventilator circuit of the manifold, wherein when the single flap is in the closed position the single flap is substantially perpendicular to the longitudinal axis of the introduction port of the manifold;
- and
- a biasing hinge biasing the single flap of the self-closing valve member to the closed position, the biasing hinge attached to the single flap.
2 more elements
An endotracheal catheter system comprising:
- a catheter having a tubular portion with a distal end configured for suctioning secretions from a patient;
- a ventilator manifold disposed in communication with the catheter such that the catheter may be advanced through the manifold into the respiratory system of the patient and withdrawn from a respiratory system of the patient through the manifold, the manifold having a port with a longitudinal axis;
- a valve comprising a single pivotable flap disposed within the manifold for at least partially occluding the distal end of the catheter, the valve being configured to frictionally engage the distal end and thereby occlude the distal end, said valve capable of being opened by insertion of said tubular portion of said catheter into said manifold, the single flap being movable between a first, distal position and a second, proximal position in which the single flap is positioned substantially perpendicular to the longitudinal axis of the port of the manifold;
- and
- a biasing hinge biasing the single flap of the valve to the first distal position, the biasing hinge attached to the manifold and the single flap.
2 more elements
An endotracheal suction catheter apparatus comprising:
- a catheter having a tubular portion with a distal end;
- a manifold disposed in communication with the catheter so as to allow the catheter to be advanced through the manifold into a respiratory tract of a patient;
- a valve having a single flap pivotable between open and closed positions which is configured for engaging the distal end of the catheter to thereby occlude suctioning through the distal end of the catheter, said valve capable of being opened by insertion of said tubular portion of said catheter into said manifold;
- and
- a biasing hinge biasing the single flap of the valve to the open position, the biasing hinge attached to the single flap.
2 more elements
A respiratory suction apparatus comprising:
- a suction catheter having a distal end for suctioning secretions;
- a protective sleeve surrounding a proximal longitudinal portion of the catheter;
- a manifold connected to the protective sleeve for attachment to a hub of an artificial airway in fluid communication between the respiratory tract of the patient and a ventilator, said manifold having means for accommodating inspiration and expiration of respiratory gases, and a lumen to accommodate advancement and retraction of the catheter through the manifold, the manifold having an introduction port for allowing the catheter to be introduced into the manifold, the introduction port having a longitudinal axis;
- a valve having a single flap, the valve connected to the manifold and pivotably moveable with respect thereto for engaging the distal end of the catheter to minimize the amount of air being drawn thereinto responsive to suction through the catheter, said valve capable of being actuated by suction through the catheter, the single flap being movable between a first, distal position and a second, proximal position in which the single flap is substantially perpendicular to the longitudinal axis of the introduction port of the manifold;
- and
- a biasing hinge biasing the single flap of the valve to the first distal position, the biasing hinge attached to the single flap and the manifold.
3 more elements
An endotracheal catheter system comprising:
- an elongated catheter having a proximal end and a distal end, said catheter having a tubular portion;
- a fitting for connecting the elongated catheter to an artificial airway, the distal end of the catheter being advanceable through the fitting;
- a cleaning chamber disposed adjacent the fitting, the cleaning chamber having a longitudinal axis, the catheter tube being advanceable through the cleaning chamber and retractable such that only the distal end of the catheter remains in the cleaning chamber, the cleaning chamber having a distal end with a self-closing valve comprising a single flap which is movable between open and closed positions, the valve substantially isolating the catheter from the fitting when in the closed position, in the closed position the single flap disposed substantially perpendicular to the longitudinal axis of the cleaning chamber, said valve capable of being opened by insertion of said tubular portion of said catheter into said fitting;
- and
- a biasing hinge biasing the single flap of the self-closing valve to the closed position, the biasing hinge attached to the cleaning chamber and the single flap.
2 more elements
An endotracheal system comprising:
- a manifold defining a portion of a ventilator circuit, the manifold having a passageway therethrough, the manifold having a port with a longitudinal axis;
- a valve member comprising a single flap which is moveable between open and closed positions and which is disposed in the manifold, the valve member configured for substantially blocking the passageway of the manifold, in the closed position the single flap disposed substantially perpendicular to the longitudinal axis of the port of the manifold;
- and
- a biasing hinge biasing the single flap of the valve member to the closed position, the biasing hinge attached to the single flap.
1 more element
An endotracheal system comprising:
- a manifold defining a portion of a ventilator circuit, the manifold having a passageway therethrough;
- a valve member comprising a single flap which is moveable between open and closed positions and which is disposed in the manifold, the valve member configured for substantially blocking the passageway of the manifold;
- and
- a biasing hinge biasing the single flap of the valve member to the open position, the biasing hinge attached to the single flap.
1 more element
Dependencies are inferred from the claim text.