Method and apparatus for nitric oxide generation
First Claim
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1. An apparatus for delivering a therapeutic gas including nitric oxide comprising:
- a receptacle including a therapeutic gas outlet and a non-electrolytic nitric oxide precursor receiver; and
a transport gas inlet fluidly communicating from a source of a transport gas to the therapeutic gas outlet through the non-electrolytic nitric oxide precursor receiver.
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Abstract
Inhalation of low levels of nitric oxide can rapidly and safely decrease pulmonary hypertension in mammals. Precise delivery of nitric oxide at therapeutic levels of 20 to 100 ppm and inhibition of reaction of nitric oxide with oxygen to form toxic impurities such as nitrogen dioxide can provide effective inhalation therapy for pulmonary hypertension.
63 Citations
42 Claims
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1. An apparatus for delivering a therapeutic gas including nitric oxide comprising:
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a receptacle including a therapeutic gas outlet and a non-electrolytic nitric oxide precursor receiver; and
a transport gas inlet fluidly communicating from a source of a transport gas to the therapeutic gas outlet through the non-electrolytic nitric oxide precursor receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of delivering nitric oxide to a mammal comprising:
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non-electrolytically generating a therapeutic gas from a nitric oxide precursor, wherein the therapeutic gas includes nitric oxide and is substantially devoid of nitrogen dioxide; and
transporting the therapeutic gas to a mammal. - View Dependent Claims (10, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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11. The method of 10 wherein the buffer solution includes a pH buffer combination selected from a group consisting of acetic acid/acetate, hydrochloric acid/chloride, hydrochloric acid/citrate, citric acid-phosphate, phosphoric acid/phosphate and citric acid/citrate.
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12. The method of 10 wherein the buffer solution maintains a pH of the mixture in the range of 4 to 7.
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13. The method of 10 wherein the buffer solution maintains a pH of the mixture in the range of 6.5-6.9.
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14. The method of 9 wherein transporting the therapeutic gas includes contacting the transport gas with the mixture..
- 36. A kit comprising a nitric oxide precursor and instructional material describing a method of generating a therapeutic gas and transporting the therapeutic gas, the therapeutic gas comprising nitric oxide and being substantially devoid of nitrogen dioxide.
Specification