US4661092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peritoneal artificial lung
Assignee: Individual
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Filing: 1983-12-09
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Granted: 1987-04-28
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Expires: 2003-12-09
Abstract
Abstract A process for the treatment of hypoxia is provided. The process involves the infusion of highly oxygenated perfluoro-chemicals into the peritoneal cavity of a patient, for oxygen transport into the body and carbon dioxide transport out of the body. The oxygenated perfluorocarbons are subsequently removed from the peritoneal cavity. The infusion and removal can be on a continuous or intermittent basis.
Inventors
- 👤 Robert P. Popovich
- 👤 Jack W. Moncrief
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:54
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/28; A61M1/16; A61M1/1698; A61M1/281; A61M1/282; A61M1/284; A61M1/32; A61M1/1694; A61M1/1696; A61M2202/00; A61M2202/04; A61M2202/0468; A61M2202/0476
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
36 words
A process for the treatment of hypoxia, comprising the steps of: infusing oxygenated perfluorochemicals into the peritoneal cavity of a patient, for oxygen transport into the body; and removing the oxygenated perfluorochemicals from the peritoneal cavity.
Claim 2
Dependent Claim
36 words
A process for the treatment of hypoxia, comprising the steps of: infusing oxygenated perfluorochemicals into the peritoneal cavity of a patient, for oxygen transport into the body; and removing the oxygenated perfluorochemicals from the peritoneal cavity.
Claim 3
Dependent Claim
62 words
A process for the treatment of hypoxia, comprising the steps of: providing a source of oxygenated perfluorochemicals; providing fluid inflow access to the peritoneal cavity of a patient; providing for fluid outflow discharge from the peritoneal cavity of the patient; and establishing a continuous flow of oxygenated perfluorochemicals through the peritoneal cavity of the patient, for oxygen transport into the patient's body.
Claim 4
Dependent Claim
62 words
A process for the treatment of hypoxia, comprising the steps of: providing a source of oxygenated perfluorochemicals; providing fluid inflow access to the peritoneal cavity of a patient; providing for fluid outflow discharge from the peritoneal cavity of the patient; and establishing a continuous flow of oxygenated perfluorochemicals through the peritoneal cavity of the patient, for oxygen transport into the patient's body.
Claim 5
Dependent Claim
36 words
A process for the treatment of hypoxia, comprising the steps of: infusing an oxygen-carring substance into the peritoneal cavity of a patient, for oxygen transport into the body; and removing the substance from the peritoneal cavity.
Claim 6
Dependent Claim
36 words
A process for the treatment of hypoxia, comprising the steps of: infusing an oxygen-carring substance into the peritoneal cavity of a patient, for oxygen transport into the body; and removing the substance from the peritoneal cavity.
Claim 7
Dependent Claim
22 words
The process of claim 3 wherein said oxygen-carrying substance has added thereto a vasoactive drug prior to infusion into the peritoneal cavity.
Claim 8
Dependent Claim
66 words
A process for the treatment of hypoxia, comprising the steps of: providing a source of an oxygen-carring fluid substance; providing fluid inflow access to the peritoneal cavity of a patient; providing for fluid outflow discharge from the peritoneal cavity of the patient; and establishing a continuous flow of the oxygen-carrying fluid substance through the peritoneal cavity of the patient, for oxygen transport into the patient's body.
Claim 9
Dependent Claim
66 words
A process for the treatment of hypoxia, comprising the steps of: providing a source of an oxygen-carring fluid substance; providing fluid inflow access to the peritoneal cavity of a patient; providing for fluid outflow discharge from the peritoneal cavity of the patient; and establishing a continuous flow of the oxygen-carrying fluid substance through the peritoneal cavity of the patient, for oxygen transport into the patient's body.
Claim 10
Dependent Claim
52 words
A process for the treatment of hypoxia, comprising the steps of: providing an oxygen-carrying substance; providing fluid access to the peritoneal cavity of a patient; and intermittently infusing into and draining from the peritoneal cavity the oxygen-carrying substance, for providing oxygen transport into the body and carbon dioxide removal from the body.
Claim 11
Dependent Claim
52 words
A process for the treatment of hypoxia, comprising the steps of: providing an oxygen-carrying substance; providing fluid access to the peritoneal cavity of a patient; and intermittently infusing into and draining from the peritoneal cavity the oxygen-carrying substance, for providing oxygen transport into the body and carbon dioxide removal from the body.
Claim 12
Dependent Claim
104 words
A process for the treatment of hypoxia, which comprises the step of establishing a continuous flow of an oxygen-carrying substance through the peritoneal cavity of a patient, for oxygen transport into the patient's body, using apparatus comprising: a first indwelling adapted to be surgically implanted in the peritoneal cavity of a patient to provide a fluid inflow access port; a second indwelling catheter adapted to be surgically implanted in the peritoneal cavity of the patient to provide a fluid outflow port; a source of oxygenated perfluorochemicals; means for establishing circulation of oxygenated perfluorochemicals through the patient's peritoneal cavity from said source via said catheters.
Claim 13
Dependent Claim
104 words
A process for the treatment of hypoxia, which comprises the step of establishing a continuous flow of an oxygen-carrying substance through the peritoneal cavity of a patient, for oxygen transport into the patient's body, using apparatus comprising: a first indwelling adapted to be surgically implanted in the peritoneal cavity of a patient to provide a fluid inflow access port; a second indwelling catheter adapted to be surgically implanted in the peritoneal cavity of the patient to provide a fluid outflow port; a source of oxygenated perfluorochemicals; means for establishing circulation of oxygenated perfluorochemicals through the patient's peritoneal cavity from said source via said catheters.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |