US4777679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable cushion with central opening
Assignee: Individual
•
Filing: 1986-04-08
•
Granted: 1988-10-18
•
Expires: 2006-04-08
Abstract
Abstract Bedding or seat device featuring a first cushion which includes the following, a device of insuring a localized compression - decompression of the tissues around the bed sores, a device to avoid all contact with the bedsore itself, and a device to insure a continued ventilation of the bed sore, the first cushion being combined and placed on top of a second cushion either identical or different.
Inventors
- 👤 Pauline DeLooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:52
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/057; A61G7/05769; A61G7/05776
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
A body support device comprising a first inflatable cushion, provided with substantially transversely extending tubes, a central opening in said first cushion, a second cushion placed on top of said first cushion; a central opening in said second cushion in alignment with said central opening in said first cushion, said second cushion having longitudinally extending means for applying localized compression-decompression to tissues around a bed sore of a patient supported on said device said localized compression-decompression means including at least in said upper cushion two circuits of substantially longitudinally extending tubes on the same plane, which can be alternately inflated and deflated, and means to connect the first cushion to the second cushion.
Claim 2
Dependent Claim
113 words
A body support device comprising a first inflatable cushion, provided with substantially transversely extending tubes, a central opening in said first cushion, a second cushion placed on top of said first cushion; a central opening in said second cushion in alignment with said central opening in said first cushion, said second cushion having longitudinally extending means for applying localized compression-decompression to tissues around a bed sore of a patient supported on said device said localized compression-decompression means including at least in said upper cushion two circuits of substantially longitudinally extending tubes on the same plane, which can be alternately inflated and deflated, and means to connect the first cushion to the second cushion.
Claim 3
Dependent Claim
30 words
The device as claimed in claim 1, wherein said localized compression-decompression means further include means of inflating and deflating with a separate intake-outlet for each of the above mentioned circuits.
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) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |