Magnetically guided device for insertion through a nasal passageway
First Claim
1. A medical device for insertion through a patient'"'"'s internal passageways and into a target organ, comprising:
- a flexible tube for transfer of fluids between a patient'"'"'s target organ and the exterior of the patient;
said tube having an insertion end sized for insertion into an opening in the patient;
a magnetic member rotatably coupled to said tube insertion end, said magnetic member rotates without occluding the flow of fluids through said tube; and
a magnetic field positioned external of the patient, said external magnetic field is manipulated to affect the orientation of said magnetic member within the patient;
whereby said external magnetic field is moved relative to the patient for guiding said magnetic member and said insertion end through a preferred passageway and into the target organ within the patient.
1 Assignment
0 Petitions
Accused Products
Abstract
A magnetically guided device for insertion through a patient'"'"'s nasal passageway of a tube for feeding or lavage of a target organ. The device includes a flexible tube having an insertion end sized for insertion through the patient'"'"'s nasal cavity, pharynx and esophagus. The tube insertion end includes a magnetic member rotatably coupled to the insertion end and a porous tube segment spaced-apart proximal of the magnetic member. The magnetic member is rotatable within the insertion end and is responsive to an externally positioned magnetic field that is moved relative to the patient for guiding the insertion end through internal passageways and into the target organ within the patient. A method for insertion and positioning of a magnetically guided tube for feeding or for lavage of a target organ within a patient is also disclosed.
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Citations
20 Claims
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1. A medical device for insertion through a patient'"'"'s internal passageways and into a target organ, comprising:
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a flexible tube for transfer of fluids between a patient'"'"'s target organ and the exterior of the patient;
said tube having an insertion end sized for insertion into an opening in the patient;
a magnetic member rotatably coupled to said tube insertion end, said magnetic member rotates without occluding the flow of fluids through said tube; and
a magnetic field positioned external of the patient, said external magnetic field is manipulated to affect the orientation of said magnetic member within the patient;
whereby said external magnetic field is moved relative to the patient for guiding said magnetic member and said insertion end through a preferred passageway and into the target organ within the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A medical device for insertion of a tube through a nasal passageway and into a target organ within a patient, comprising:
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a flexible tube having an insertion end sized for insertion through the patient'"'"'s nasal cavity and through an internal passageway for extension into a target organ within the patient;
a magnetic member rotatably disposed within said insertion end;
a porous segment proximal to said insertion end, said porous segment is spaced-apart from said magnetic member, said porous segment allows passage of gas and liquid between said flexible tube and the target organ; and
a magnetic field positioned external of the patient, said external magnetic field is manipulated to affect the orientation of said magnetic member within the patient;
whereby upon insertion of said insertion end through the patient'"'"'s nasal cavity and through the internal passageway of the patient, said rotatable magnetic member and insertion end are guided into the target organ when in the presence of said external magnetic field moved relative to the patient. - View Dependent Claims (12, 13, 14, 15)
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16. A medical device for insertion of a tube through a patient'"'"'s nasal cavity and into a target organ, comprising:
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a tube for transfer therethrough of fluids between a patient'"'"'s target organ and the exterior of the patient, said tube having an insertion end sized for insertion into a nasal opening and through internal passageways leading to a target organ within the patient, a porous tube segment proximal to said insertion end, said porous tube segment provides for transfer of fluids between said tube and the target organ within the patient;
a magnetic member rotatably disposed within said insertion end, said magnetic member is distal of said porous tube segment whereby said magnetic member rotates without occluding the transfer of fluids through said porous tube segment; and
a magnetic field positioned external of the patient, said external magnetic field is moved proximal to the patient for guidance of said magnetic member and said insertion end through the internal passageway and into the target organ within the patient. - View Dependent Claims (17, 18)
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19. A method for insertion of a magnetically guided tube through a patient'"'"'s internal passageways and into a target organ of a patient, comprising the steps of:
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using a fluids transfer tube including an insertion end having a magnetic member disposed in a rotating configuration therein;
inserting said fluids transfer tube through a nasal cavity of the patient;
guiding said fluids transfer tube through the patient'"'"'s nasal cavity and through internal passageways leading to a target organ by guiding the path of said magnetic member and said insertion end into the respective internal passageways by positioning an external magnetic field proximal to a dermal surface of the patient;
positioning said external magnetic field along the dermal surface of the patient for remotely adjusting the position of said magnetic member and said insertion end within the respective internal passageways for insertion into the target organ; and
transferring fluids between said fluids transfer tube and the target organ, said step of transferring fluids does not interfere with the rotation of said magnetic member within said insertion end positioned within the target organ in the patient. - View Dependent Claims (20)
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Specification