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10/22/09 - USPTO Class 128 |  24 views | #20090260625 | Prev - Next | About this Page  128 rss/xml feed  monitor keywords

Methods, systems and devices for improving ventilation in a lung area

USPTO Application #: 20090260625
Title: Methods, systems and devices for improving ventilation in a lung area
Abstract: Methods, systems and devices are described for new modes of ventilation in which specific lung areas are ventilated with an indwelling trans-tracheobronchial catheter for the purpose of improving ventilation and reducing hyperinflation in that specific lung area, and for redistributing inspired air to other healthier lung areas, for treating respiratory disorders such as COPD, ARDS, SARS, CF, and TB. Trans-Tracheobronchial Segmental Ventilation (TTSV) is performed on either a naturally breathing or a mechanical ventilated patient by placing a uniquely configured indwelling catheter into a bronchus of a poorly ventilated specific lung area and providing direct ventilation to that area. The catheter can be left in place for extended periods without clinician attendance or vigilance. Ventilation includes delivery of respiratory gases, therapeutic gases or agents and evacuation of stagnant gases, mixed gases or waste fluids. Typically the catheter's distal tip is anchored without occluding the bronchus but optionally may intermittently or continuously occlude the bronchus. TTSV is optionally performed by insufflation only of the area, or by application of vacuum to the area, can include elevating or reducing the pressure in the targeted area to facilitate stagnant gas removal, or can include blocking the area to divert inspired gas to better functioning areas. (end of abstract)



Agent: Patton Boggs LLP - Mclean, VA, US
Inventor: Anthony D. Wondka
USPTO Applicaton #: 20090260625 - Class: 12820312 (USPTO)

Methods, systems and devices for improving ventilation in a lung area description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20090260625, Methods, systems and devices for improving ventilation in a lung area.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords CROSS REFERENCE TO RELATED APPLICATIONS

This application is a Continuation of U.S. patent application Ser. No. 10/870,849, filed Jun. 17, 2004, which claims priority to Provisional Patent Application No. 60/479,213, filed Jun. 18, 2003, both of which are incorporated herein in their entirety.

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT

Not Applicable

DESCRIPTION OF ATTACHED APPENDIX

Not Applicable

GOVERNMENT INVENTION OR CONTRACT WITH GOVERNMENT

None

ENTITY

Small Entity Concern

PRIOR ART

U.S. Pat. Nos.: 4,825,859; 4,838,255; 4,850,350; 4,967,743; 5,000,175; 5,134,996; 5,186,167; 5,193,533; 5,255,675; 5,460,613; 5,513,628; 5,598,840; 5,791,337; 5,904,648; 6,227,200; 6,520,183; 6,575,944; 6,575,944; U.S. Published Patent Applications: 20010035185; 20020179090.

OTHER RELATED PUBLICATIONS

  • Fink J. B.; Helium-oxygen: An Old Therapy Creates New Interest. (J Resp Care Pract April 1999; 71-76)
  • Christopher K L et al.; Transtracheal oxygen for refractory hypoxemia. (JAMA 1986; 256: 494-7)
  • Gaebek J. B. et al; Efficacy of Selective Intrabronchial Air Insufflation in Acute Lobar Collapse. (Am J of Sur 1992; 164:501-505)
  • AARC Clinical Practice Guideline: Oxygen Therapy in the Home or Extended Care Facility (Respir Care 1992; 37:918-922)
  • Maclntyre, Neil; Long-term Oxygen Therapy: Conference Summary (Respir Care 2000; 45(2):237-245) VHA/DOD Clinical Practice Guideline for the Management of Chronic Obstructive Pulmonary Disease (VHA 1999 August 116)
  • Blanch, L; Clinical Studies of Tracheal Gas Insufflation (Respir Care 2001; 46(2):158-166)


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