Transnasal catheter for imaging and biopsying internal luminal organs
AssigneeThe General Hospital Corporation
InventorsGuillermo J. Tearney, Jing Dong, David Odeke Otuya, Yogesh Verma, Hamid Farrokhi
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Abstract
A catheter including an elongated tube having a channel; an inflatable chamber coupled to the elongated tube and in fluid communication with the channel; and a high-density liquid delivery system in fluid communication with the channel, the high-density liquid delivery system delivering a high-density liquid to the inflatable chamber via the channel to cause the inflatable chamber to expand.
Claims43
A catheter, comprising:
- an elongated tube having a channel;
- an inflatable chamber coupled to the elongated tube and in fluid communication with the channel;
- and
- a high-density liquid delivery system in fluid communication with the channel,
- the high-density liquid delivery system delivering a high-density liquid to the inflatable chamber via the channel to cause the inflatable chamber to expand.
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A method, comprising:
- providing a catheter comprising:
- an elongated tube having a first channel and a second channel,
- an inflatable chamber coupled to the elongated tube and in fluid communication with the first channel, and
- a high-density liquid delivery system in fluid communication with the first channel;
- and
- delivering, using the high-density liquid delivery system, a high-density liquid to the inflatable chamber via the first channel to cause the inflatable chamber to expand.
27-48. (canceled)
A catheter, comprising:
- an elongated tube having a first channel and a second channel;
- an inflatable chamber coupled to the elongated tube and in fluid communication with the first channel;
- and
- a high-density liquid delivery system in fluid communication with the first channel,
- the high-density liquid delivery system delivering a high-density liquid to the inflatable chamber via the first channel to cause the inflatable chamber to expand.
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A transnasal introduction tube, comprising:
- an elongated tube having a maximum exterior diameter in a range from 6 French to 9 French, the elongated tube comprising:
- a first channel having a circular cross-section with a first inner diameter;
- and
- a second channel having a circular cross-section with a second inner diameter that is narrower than the first inner diameter;
- and
- a biopsy probe disposed within the first channel.
Dependencies are inferred from the claim text.