Patent US4837872A successfully refreshed from Google Patents.
US4837872A
Expired / Lapsed
US
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Patient transfer arrangement
Assignee: Connecticut Innovations Inc
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Filing: 1987-08-28
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Granted: 1989-06-13
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Expires: 2007-08-28
Abstract
Abstract A transfer system including a specially-equipped bed for transferring a patient from a reclining position on the bed to a seated position on a wheelchair or to a standing position on the floor.
Inventors
- 👤 Paul DiMatteo
- 👤 Robert Segnini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:23
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1073; A61G7/1082; A61G7/1096; A61G7/05; A61G7/053; A61G7/1025; A61G7/1032; A61G7/1086; A61G2200/00; A61G2200/30; A61G2200/32; A61G2200/34; A61G2200/36; A61G2200/50; A61G2200/52; A61G5/00; A61G5/10; A61G5/1002; A61G7/002; A61G7/005; A61G7/057; A61G7/05769; A61G7/16
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
194 words
A bedsore protection arrangement comprising: a bed having a mattress, a cover on said mattress, and legs; transport means having rollers at opposite ends of the bed; a transport sheet on which a patient may lie and extending over said mattress between said rollers; roller drive means for winding said transport sheet onto a roller at one end of the bed and unwinding said transport sheet from a roller on the opposite end to pull said transport sheet and move said perspon across the mattress surface; motion control means connected to said roller drive means for slowly moving said transport sheet cyclically a distance toward one end and toward the other end; an adjustable surface member under said cover and having inflatable cavities forming raised ridges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; said ridges having an alternating pattern of connected segments, at plus and minus a pattern angle with respect to a direction of motion of said sheet; and said distance being such that points on said transport sheet moving said distance pass over two said connected segments.
Claim 2
Dependent Claim
194 words
A bedsore protection arrangement comprising: a bed having a mattress, a cover on said mattress, and legs; transport means having rollers at opposite ends of the bed; a transport sheet on which a patient may lie and extending over said mattress between said rollers; roller drive means for winding said transport sheet onto a roller at one end of the bed and unwinding said transport sheet from a roller on the opposite end to pull said transport sheet and move said perspon across the mattress surface; motion control means connected to said roller drive means for slowly moving said transport sheet cyclically a distance toward one end and toward the other end; an adjustable surface member under said cover and having inflatable cavities forming raised ridges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; said ridges having an alternating pattern of connected segments, at plus and minus a pattern angle with respect to a direction of motion of said sheet; and said distance being such that points on said transport sheet moving said distance pass over two said connected segments.
Claim 3
Dependent Claim
17 words
A bedsore protection arrangement as defined in claim 1 wherein said pattern angle is substantially 45 degrees.
Claim 4
Dependent Claim
16 words
A bedsore protection arrangement as defined in claim 1 wherein said transport sheet comprises said cover.
Claim 5
Dependent Claim
79 words
A patient transfer arrangement as defined in claim 1 wherein said adjustable surface member has an inflatable first cavity and a second inflatable cavity; inflation means for alternately and cyclically inflating one said cavity and deflating the other said cavity; said cavities being disposed in an interlocking pattern such that a patient is supportable by the inflated first cavity when said second cavity is deflated and is supportable by the inflated second cavity when said first cavity is deflated.
Claim 6
Dependent Claim
36 words
A patient transfer arrangement as defined in claim 1 wherein said ridges have an alternating pattern of connected segments at plus and minus multiple pattern angles with respect to a direction of motion of said sheet.
Claim 7
Dependent Claim
131 words
A bedsore protection arrangement comprising: a bed having a mattress and a cover on said mattress on which a person may lie; an adjustable surface member under said cover and having inflatable cavities forming raised edges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; motor means to produce slow cylical linear motion between said cover and said adjustable surface member for causing pressure zones to move longitudinally under said person's body; said raised ridges having an alternating pattern of connected segments disposed at positive and negative angles with respect to a direction of said linear motion so as to product alternating lateral motion of the pressure zones in order to stimulate in both longitudinal and lateral directions.
Claim 8
Dependent Claim
131 words
A bedsore protection arrangement comprising: a bed having a mattress and a cover on said mattress on which a person may lie; an adjustable surface member under said cover and having inflatable cavities forming raised edges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; motor means to produce slow cylical linear motion between said cover and said adjustable surface member for causing pressure zones to move longitudinally under said person's body; said raised ridges having an alternating pattern of connected segments disposed at positive and negative angles with respect to a direction of said linear motion so as to product alternating lateral motion of the pressure zones in order to stimulate in both longitudinal and lateral directions.
Claim 9
Dependent Claim
186 words
A bedsore protection arrangement comprising: a bed having four sides, a mattress, a bed frame, and legs; transport means having rollers at opposite sides of the bed; a transport sheet on which a patient may lie and extending over said mattress between said rollers; roller drive means for winding said transport sheet onto a roller at one bed side and unwinding said transport sheet from a roller on the opposite bed side to pull said transport sheet and move said person across the mattress surface; an adjustable surface member extending over said mattress and under said transport sheet; said adjustable surface member having a smooth surface over which said person can be freely and comfortably moved over the mattress by the transport sheet; said adjustable surface member being convertible from having a smooth top surface to having a wavy top surface with high and low regions; and motion means for cyclically moving said transport sheet and said patient slowly over said wavy top surface so as to generate slowly moving pressure regions in the person's body for stimulating blood circulation and helping to prevent decubitus ulcers.
Claim 10
Dependent Claim
186 words
A bedsore protection arrangement comprising: a bed having four sides, a mattress, a bed frame, and legs; transport means having rollers at opposite sides of the bed; a transport sheet on which a patient may lie and extending over said mattress between said rollers; roller drive means for winding said transport sheet onto a roller at one bed side and unwinding said transport sheet from a roller on the opposite bed side to pull said transport sheet and move said person across the mattress surface; an adjustable surface member extending over said mattress and under said transport sheet; said adjustable surface member having a smooth surface over which said person can be freely and comfortably moved over the mattress by the transport sheet; said adjustable surface member being convertible from having a smooth top surface to having a wavy top surface with high and low regions; and motion means for cyclically moving said transport sheet and said patient slowly over said wavy top surface so as to generate slowly moving pressure regions in the person's body for stimulating blood circulation and helping to prevent decubitus ulcers.
Claim 11
Dependent Claim
42 words
A bedsore protection arrangement as defined in claim 7 wherein said adjutable surface member has inflatable cavities forming raised regions when inflated and having a substantially flat surface when deflated; and air pump and control means for inflating and deflating said cavities.
Claim 12
Dependent Claim
30 words
A bedsore protection arrangement as defined in claim 8 wherein said inflatable cavities comprise tubes oriented at different angles with respect to the direction of motion of said transport sheet.
Claim 13
Dependent Claim
73 words
A bedsore protection arrangement as defined in claim 7 wherein said adjustable surface has a first inflatable cavity and a second inflatable cavity; inflating means for alternately and cyclically inflating one cavity and deflating the other cavity; said cavities being disposed in an interlocking pattern such that a patient is supportable by said first cavity with said second cavity deflated and is supportable by said second cavity when said first cavity is deflated.
Claim 14
Dependent Claim
90 words
A bedsore protection arrangement comprising: A bed having a mattress and a cover on said mattress on which a person may lie; an adjustable surface member under said cover and having inflatable cavities forming raised ridges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; motor means to produce slow cyclical linear relative motion between said cover and said adjustable surface member for causing cyclical pressure waves to move under said person's body for stimulating blood circulation.
Claim 15
Dependent Claim
90 words
A bedsore protection arrangement comprising: A bed having a mattress and a cover on said mattress on which a person may lie; an adjustable surface member under said cover and having inflatable cavities forming raised ridges when inflated and having a substantially flat surface when deflated; an air pump and control means for inflating and deflating said cavities; motor means to produce slow cyclical linear relative motion between said cover and said adjustable surface member for causing cyclical pressure waves to move under said person's body for stimulating blood circulation.
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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) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |