Visualized endotracheal tube placement systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-016/04
A61B-001/00
A61B-001/06
A61B-001/267
A61B-001/05
A61B-017/3207
출원번호
US-0645984
(2012-10-05)
등록번호
US-9579012
(2017-02-28)
발명자
/ 주소
Vazales, Brad E.
Bertolero, Arthur
Davidner, Alan
Watson, Ken
Gracy, James M
Colwell, Clifton P
Berky, Craig B.
Morejohn, Dwight
Griffin, Dwayne
Tefo, Richard
출원인 / 주소
ENDOCLEAR LLC
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
11인용 특허 :
209
초록▼
Systems, methods, and devices for facilitating insertion of an endotracheal tube and/or for verifying the position of the endotracheal tube within an airway of a patient with respect to an anatomical landmark of a patient are disclosed. Systems, methods, and devices for facilitating removal of debri
Systems, methods, and devices for facilitating insertion of an endotracheal tube and/or for verifying the position of the endotracheal tube within an airway of a patient with respect to an anatomical landmark of a patient are disclosed. Systems, methods, and devices for facilitating removal of debris from the distal airways of a patient under direct visualization are also disclosed.
대표청구항▼
1. A visualization device for confirming proper positioning and placement of an endotracheal tube within a patient without requiring the use of a laryngoscope or bronchoscope, the device comprising: a visualization tube adapted to be inserted within an endotracheal tube, the visualization tube havin
1. A visualization device for confirming proper positioning and placement of an endotracheal tube within a patient without requiring the use of a laryngoscope or bronchoscope, the device comprising: a visualization tube adapted to be inserted within an endotracheal tube, the visualization tube having a closed distal end, an open proximal end, and a lumen extending from the proximal end to the distal end;wherein the visualization tube is sized to extend at least to the distal end of the endotracheal tube;wherein the lumen of the visualization tube is sized and shaped to removably receive a visualization scope;wherein the closed distal end of the visualization tube comprises a window;wherein the visualization tube comprises at least one centering assembly mounted on an outer surface of the visualization tube, the at least one centering assembly comprising two or more flexible arms adapted to expand to conform to an inner wall of the endotracheal tube, thereby centering the visualization tube within the endotracheal tube;a coupling assembly adapted to couple to the endotracheal tube; anda scope retention assembly coupled to a proximal end of the visualization tube;wherein the scope retention assembly comprises a stretchable elastomeric sleeve having an open proximal end and an open distal end and a scope retention member attached to the open proximal end of the stretchable elastomeric sleeve, the scope retention member being adapted to interface with a locking member coupled to a visualization scope;wherein the open proximal end of the elastomeric sleeve is adapted to be stretched by pulling the scope retention member proximally to allow the scope retention member of the scope retention assembly to engage the locking member coupled to the visualization scope, thereby exerting a static force on the visualization scope in the direction of the closed distal end of the visualization tube upon release of the elastomeric sleeve,wherein the visualization tube is a separate component from the scope retention assembly. 2. The visualization device of claim 1, wherein the scope retention member comprises a slot, wherein the slot is sized and shaped to receive the visualization scope. 3. The visualization device of claim 1, wherein the locking member is integrally formed on a scope retainer sleeve that is coupled to the visualization scope. 4. The visualization device of claim 1, wherein the visualization tube comprises one or more sensors configured to detect one or more of the following: carbon dioxide levels, the presence of selected bacteria of interest, moisture levels, or respiratory parameters. 5. The visualization device of claim 1, wherein the coupling assembly comprises at least one accessory port. 6. The visualization device of claim 5, wherein the at least one accessory port comprises an oxygen port adapted to connect to an oxygen line or to a ventilator and an access port adapted to receive a stylet or obturator. 7. The visualization device of claim 1, wherein the visualization tube comprises a bend radius that approximates the bend radius of an endotracheal tube. 8. The visualization device of claim 1, wherein the visualization tube has an outer diameter of less than 2 mm. 9. A visualization system for proper positioning or placement of an endotracheal tube within a patient without requiring the use of a laryngoscope or bronchoscope, the system comprising: the visualization device of claim 1; andan endotracheal tube cleaning device configured to be inserted into an endotracheal tube of a patient either before or after a distal airway cleaning device has been positioned and subsequently removed from one or more distal airways of the patent, said endotracheal tube cleaning device comprising:an elongated member having a proximal end and a tip along its distal end, said elongated member comprising at least one lumen extending within its interior along at least along a portion of a length of said elongated member;an expandable structure positioned along the elongated member, said structure being adapted to selectively move between a radially-collapsed position and a radially-expanded position;an actuation assembly coupled to the proximal end of the elongated member; anda visualization channel within the lumen of the elongated member sized and configured to receive the visualization scope;wherein the one or more removal members of the cleaning device are configured to engage an interior surface of an endotracheal tube when the expandable structure is in the radially-expanded position; andwherein the one or more removal members are configured to contact and remove debris collected on an interior surface of the endotracheal tube when said cleaning device is moved relative to the endotracheal tube. 10. The system of claim 9, wherein the expandable structure of the endotracheal tube cleaning device is mechanically-expandable. 11. The system of claim 10, wherein the expandable structure comprises a mesh scaffold or expandable struts, wherein the expandable structure comprises an outer sleeve positioned along at least a portion of an exterior surface of the expandable structure, and wherein the at least a portion of the outer sleeve is configured to radially expand together with the expandable structure when the expandable structure moves from the radially-collapsed position to the radially-expanded position. 12. The system of claim 9, further comprising a distal airway cleaning device for removing debris from one or more distal airways of a patient, said distal airway cleaning device comprising: a suction catheter comprising a main suction lumen and a distal end configured to facilitate steering of the suction catheter within an airway of the patient;a visualization channel disposed within the main suction lumen of the suction catheter sized and shaped to receive a visualization scope,wherein the visualization channel comprises a window at a closed distal end of the visualization channel; anda control handle configured for one-handed operation of the distal airway cleaning device,wherein the suction catheter comprises a distal angle and a deflection mechanism to facilitate access to all areas of the bronchus and lungs. 13. The system of claim 12, wherein the main suction lumen of the suction catheter further comprises an irrigation channel, said irrigation channel being configured to clean the window at the distal end of the visualization channel and/or to deliver one or more fluids to the distal airways of the patient. 14. The system of claim 12, wherein the distal airway cleaning device is configured to be operated in a closed suction system. 15. The system of claim 12, wherein an elongate shaft of the suction catheter comprises an endotracheal tube cleaning member comprising one or more removal members configured to expand into contact with an interior wall of an endotracheal tube, wherein the endotracheal tube cleaning member comprises an inflatable structure. 16. A system for providing visualized confirmation of proper positioning and cleaning of an endotracheal tube within a patient, the system comprising: a visualization device adapted to provide visualized confirmation of proper positioning of an endotracheal tube within a patient, the visualization device comprising: a visualization tube adapted to be inserted within the endotracheal tube, the visualization tube having a closed distal end, an open proximal end, and a lumen extending from the proximal end to the distal end;wherein the lumen of the visualization tube is sized and shaped to removably receive a visualization scope;wherein the closed distal end of the visualization tube comprises a window;wherein the visualization tube comprises a plurality of centering assemblies spaced apart and mounted on an outer surface of the visualization tube, the plurality of centering assemblies each comprising two or more flexible wings adapted to expand to conform to an inner wall of the endotracheal tube at a location proximal to the closed distal end of the visualization tube, thereby centering the visualization tube within the endotracheal tube and preserving viewing of anatomical features beyond a distal tip of the endotracheal tube; andan endotracheal tube cleaning device configured to be inserted into an endotracheal tube of a patient, said endotracheal tube cleaning device comprising: an elongated member having a proximal end and a tip along its distal end, said elongated member comprising a visualization channel extending within its interior along at least a portion of a length of said elongated member, the visualization channel being sized and configured to receive the visualization scope;a non-inflatable, mechanically expandable structure positioned along the elongated member, said structure being adapted to selectively move between a radially-collapsed position and a radially-expanded position; andan actuation assembly coupled to the proximal end of the elongated member, the actuation assembly being configured to control the expansion and collapse of the expandable structure;wherein the one or more removal members of the endotracheal tube cleaning device are configured to engage an interior surface of an endotracheal tube when the expandable structure is in the radially-expanded position; andwherein the one or more removal members are configured to contact and remove debris collected on an interior surface of the endotracheal tube when said endotracheal tube cleaning device is moved relative to the endotracheal tube. 17. The system of claim 16, further comprising a distal airway cleaning device for removing debris from one or more distal airways of a patient, said distal airway cleaning device comprising: a suction catheter comprising a main suction lumen and a distal end configured to facilitate steering of the suction catheter within an airway of the patient;a visualization channel disposed within the main suction lumen of the suction catheter sized and shaped to receive a visualization scope,wherein the visualization channel comprises a window at a closed distal end of the visualization channel; anda control handle configured for one-handed operation of the distal airway cleaning device. 18. The system of claim 17, wherein the main suction lumen of the suction catheter further comprises an irrigation channel, said irrigation channel being configured to clean the window at the distal end of the visualization channel and/or to deliver one or more fluids to the distal airways of the patient. 19. The system of claim 17, wherein the distal airway cleaning device is configured to be operated in a closed suction system. 20. The system of claim 16, further comprising an endotracheal tube adapter comprising multiple inlet ports configured to allow the distal airway cleaning device and the endotracheal tube cleaning device to be inserted within the endotracheal tube simultaneously. 21. The system of claim 20, further comprising a ventilation port configured to be coupled to an oxygen supply to provide a continuous supply of oxygen during cleaning procedures performed by the distal airway cleaning device or the endotracheal tube cleaning device. 22. The system of claim 17, wherein an elongate shaft of the suction catheter comprises an endotracheal tube cleaning member configured to expand into contact with an interior wall of an endotracheal tube, wherein the one or more removal members are configured to remove biofilm from the interior wall of the endotracheal tube, and wherein the endotracheal tube cleaning member comprises an inflatable structure. 23. The system of claim 16, wherein the expandable structure of the endotracheal tube cleaning device comprises a mesh scaffold or expandable struts, wherein the expandable structure comprises an outer sleeve positioned along at least a portion of an exterior surface of the expandable structure, and wherein at least a portion of the outer sleeve is configured to radially expand together with the expandable structure when the expandable structure moves from the radially-collapsed position to the radially-expanded position.
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이 특허에 인용된 특허 (209)
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