Patent US3667073A successfully refreshed from Google Patents.
US3667073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patient transporter
Assignee: Individual
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Filing: 1970-12-18
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Granted: 1972-06-06
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Expires: 1990-12-18
Abstract
Abstract An apparatus which provides for effortless moving of a nonambulatory patient from his bed or operating table to a cart, e.g., recovery room stretcher or the like and from the cart to other non-porous surfaces, e.g., X-ray tables, etc. The major component comprises an inflatable mattress having a constant flow of air pressure communicating therewith and a plurality of nozzles over one side thereof to direct air jets outwardly therefrom. The mattress normally is positioned with the air jets directed downwardly to provide an air cushion or caster for effortless sliding from one horizontal surface to another. However, the mattress may be positioned with the air jets directed upwardly for floatably supporting a patient, having sores, e.g., decubitus ulcers, on a cushion of pressurized gas a distance above the mattress.
Inventors
- 👤 Hiram H Renfroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:42
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1025; A61G7/103; A61G7/1013; A61G7/1019; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1057; A61G2210/00; A61G2210/50; A61G7/1021
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
204 words
A device for transporting a patient while in a recumbent position upon a bed having a horizontal substantially non-porous surface, said device comprising a cart means disposed alongside said bed being parallel and adjacent thereto also having a horizontal substantially non-porous surface, an inflatable mattress having first and second sides thereto being interposed between said patient and said horizontal surface of said bed with said first side thereof directed downwardly, air pump means for inflating said mattress, said mattress including waffle-like structure defining numerous bulbous portions over said first and second sides thereof when inflated by said pump means, said bulbous portions of said mattress communicating internally thereof one with the other, said bulbous portions of said first side of said mattress respectively including nozzle means for exhausting air jets outwardly and downwardly as said pump means continuously maintains a predetermined air pressure within said mattress for providing rigidity thereto, for separating said first and second sides as said patient is supported by said second side, and for substantially floatably suspending said mattress above said horizontal surface of said bed so that said mattress and said patient may be frictionlessly slid from said bed to said cart and from said cart to said bed.
Claim 2
Independent Claim
204 words
A device for transporting a patient while in a recumbent position upon a bed having a horizontal substantially non-porous surface, said device comprising a cart means disposed alongside said bed being parallel and adjacent thereto also having a horizontal substantially non-porous surface, an inflatable mattress having first and second sides thereto being interposed between said patient and said horizontal surface of said bed with said first side thereof directed downwardly, air pump means for inflating said mattress, said mattress including waffle-like structure defining numerous bulbous portions over said first and second sides thereof when inflated by said pump means, said bulbous portions of said mattress communicating internally thereof one with the other, said bulbous portions of said first side of said mattress respectively including nozzle means for exhausting air jets outwardly and downwardly as said pump means continuously maintains a predetermined air pressure within said mattress for providing rigidity thereto, for separating said first and second sides as said patient is supported by said second side, and for substantially floatably suspending said mattress above said horizontal surface of said bed so that said mattress and said patient may be frictionlessly slid from said bed to said cart and from said cart to said bed.
Claim 3
Dependent Claim
24 words
The transporting device of claim 1 in which said mattress is substantially integrally formed from a filament web impregnated with an air impervious coating.
Claim 4
Dependent Claim
33 words
The transporting device of claim 2 in which the respective apices of said bulbous portions of said first side of said mattress are void of said air impervious coating to define said nozzles.
Claim 5
Dependent Claim
93 words
The transporting device of claim 3 in which said mattress includes peripheral inflatable skirt means communicating internally thereof with said bulbous portions, said skirt means having a height at least as great as the distance from the apices of the bulbous portions of said first side to the apices of the bulbous portions of said second side for substantially capturing a pocket of air subjacent said bulbous portions of said first side of said mattress when said mattress is inflated and supported on said non-porous surfaces of said bed or said cart means.
Claim 6
Dependent Claim
23 words
The transporting device of claim 4 in which is included means for varying the volume of air being delivered by said pump means.
Claim 7
Dependent Claim
16 words
The transporting device of claim 5 in which said air impervious coating consists of conductive neoprene.
Claim 8
Dependent Claim
171 words
The combination with a bed having a horizontal surface of an inflatable mattress disposed on top of the bed, air pump means for inflating said mattress, said mattress having first and second sides and including waffle-like structure defining numerous bulbous portions over said first and second sides thereof when inflated by said pump means, said bulbous portions of said mattress communicating internally thereof one with the other, said mattress being disposed on said horizontal surface of said bed with said first side thereof facing upwardly, said bulbous portions of said first side of said mattress including a plurality of small nozzle means disposed over a substantial portion of said first side for exhausting air jets outwardly and upwardly as said pump means contiNuously maintains a predetermined air pressure within said mattress for floatably urging a patient having decubitus ulcers upwardly from said first side thereof so that his blood circulation is enhanced, a drying effect is achieved, and pressure on his decubitus ulcers is minimized to aid in the healing thereof.
Claim 9
Dependent Claim
171 words
The combination with a bed having a horizontal surface of an inflatable mattress disposed on top of the bed, air pump means for inflating said mattress, said mattress having first and second sides and including waffle-like structure defining numerous bulbous portions over said first and second sides thereof when inflated by said pump means, said bulbous portions of said mattress communicating internally thereof one with the other, said mattress being disposed on said horizontal surface of said bed with said first side thereof facing upwardly, said bulbous portions of said first side of said mattress including a plurality of small nozzle means disposed over a substantial portion of said first side for exhausting air jets outwardly and upwardly as said pump means contiNuously maintains a predetermined air pressure within said mattress for floatably urging a patient having decubitus ulcers upwardly from said first side thereof so that his blood circulation is enhanced, a drying effect is achieved, and pressure on his decubitus ulcers is minimized to aid in the healing thereof.
Claim 10
Dependent Claim
23 words
The transporting device of claim 7 in which said mattress is integrally formed from a filament web impregnated with an air impervious coating.
Claim 11
Dependent Claim
34 words
The transporting device of claim 8 in which the respective apices of said bulbous portions of said first side of said mattress are void of said air impervious coating to define said nozzle means.
Claim 12
Independent Claim
161 words
A device for transporting a patient while in a recumbent position upon a bed having a horizontal substantially non-porous surface, said device comprising a cart means disposed alongside said bed being parallel and adjacent thereto also having a horizontal substantially non-porous surface, an inflatable mattress having first and second sides thereto being interposed between said patient and said horizontal surface of said bed with said first side thereof directed downwardly, air pump means for inflating said mattress, said first side including nozzle means for exhausting air jets outwardly and downwardly as said pump means continuously maintains a predetermined air pressure within said mattress for providing rigidity thereto, for separating said first and second sides as said patient is supported by said second side, and for substantially floatably suspending said mattress above said horizontal surface of said bed so that said mattress and said patient may be frictionlessly slid from said bed to said cart and from said cart to said bed.
Claim 13
Independent Claim
161 words
A device for transporting a patient while in a recumbent position upon a bed having a horizontal substantially non-porous surface, said device comprising a cart means disposed alongside said bed being parallel and adjacent thereto also having a horizontal substantially non-porous surface, an inflatable mattress having first and second sides thereto being interposed between said patient and said horizontal surface of said bed with said first side thereof directed downwardly, air pump means for inflating said mattress, said first side including nozzle means for exhausting air jets outwardly and downwardly as said pump means continuously maintains a predetermined air pressure within said mattress for providing rigidity thereto, for separating said first and second sides as said patient is supported by said second side, and for substantially floatably suspending said mattress above said horizontal surface of said bed so that said mattress and said patient may be frictionlessly slid from said bed to said cart and from said cart to said bed.
Claim 14
Dependent Claim
136 words
The combination with a bed having a horizontal surface of an inflatable mattress disposed on top of the bed, air pump means for inflating said mattress, said mattress having first and second sides said mattress being disposed on said horizontal surface of said bed with said first side thereof facing upwardly, said first side of said mattress including a plurality of small nozzle means disposed over a substantial portion of said first side for exhausting a plurality of air jets outwardly and upwardly as said pump means continuously maintains a predetermined air pressure within said mattress for floatably urging a patient having decubitus ulcers upwardly from said first side thereof so that his blood circulation is enhanced, a drying effect is achieved, and pressure on his decubitus ulcers is minimized to aid in the healing thereof.
Claim 15
Dependent Claim
136 words
The combination with a bed having a horizontal surface of an inflatable mattress disposed on top of the bed, air pump means for inflating said mattress, said mattress having first and second sides said mattress being disposed on said horizontal surface of said bed with said first side thereof facing upwardly, said first side of said mattress including a plurality of small nozzle means disposed over a substantial portion of said first side for exhausting a plurality of air jets outwardly and upwardly as said pump means continuously maintains a predetermined air pressure within said mattress for floatably urging a patient having decubitus ulcers upwardly from said first side thereof so that his blood circulation is enhanced, a drying effect is achieved, and pressure on his decubitus ulcers is minimized to aid in the healing thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |