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US4867188A
Expired / Lapsed
US
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Orthopaedic trolley
Assignee: Individual
•
Filing: 1987-01-28
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Granted: 1989-09-19
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Expires: 2007-01-28
Abstract
Abstract An orthopaedic trolley for leg support to allow mobility in cases of injury or disablement of the foot or ankle comprising a support structure 18 slidably mounted in a sleeve 26 having legs 20 splayed outwardly therefrom. The legs 20 are mounted on castors 24 or rotatable wheels. A cradle 14 is provided having a foam filled 16 inner portion and extending therefrom a maneuvering handle 22.
Inventors
- 👤 Michael Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:22
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61H2003/005
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
149 words
An orthopaedic trolley comprising a support structure which comprises a plurality of depending legs, each of said legs having a rotatable wheel of the castor type mounted at its outer end, the support structure having mounted thereon a patient knee and leg support means, said knee and leg support means comprising a principal weight bearing area for supporting the knee and a secondary weight bearing area for supporting the leg, said principal weight bearing area being located substantially directly above the center point of the area encompassed between said depending legs, the legs being splayed outwardly from a common mounting member beneath a predetermined portion of said knee and leg support means, said predetermined portion consisting essentially only of said principal weight bearing area so as to provide a stable base for the knee and leg support means said secondary weight bearing area extending rearwardly of said predetermined portion.
Claim 2
Dependent Claim
149 words
An orthopaedic trolley comprising a support structure which comprises a plurality of depending legs, each of said legs having a rotatable wheel of the castor type mounted at its outer end, the support structure having mounted thereon a patient knee and leg support means, said knee and leg support means comprising a principal weight bearing area for supporting the knee and a secondary weight bearing area for supporting the leg, said principal weight bearing area being located substantially directly above the center point of the area encompassed between said depending legs, the legs being splayed outwardly from a common mounting member beneath a predetermined portion of said knee and leg support means, said predetermined portion consisting essentially only of said principal weight bearing area so as to provide a stable base for the knee and leg support means said secondary weight bearing area extending rearwardly of said predetermined portion.
Claim 3
Dependent Claim
28 words
An orthopaedic trolley as claimed in claim 1 wherein the orthopaedic trolley has a maneuvering handle extending upwardly and outwardly from the patient knee and leg support means.
Claim 4
Dependent Claim
49 words
The orthopaedic trolley of claim 1 in which said mounting member comprises means for adjustably mounting said knee and leg support means on said support structure such that the height of said knee and leg support means may be adjusted upwardly or downwardly to accomodate different sizes of user.
Claim 5
Dependent Claim
35 words
An orthopaedic trolley as claimed in claim 3 wherein said adjustable mounting means comprises a box section slidably contained within a sleeve having a pin passing therethrough to locate said box section within the sleeve.
Claim 6
Dependent Claim
40 words
An orthopaedic trolley as claimed in claim 4 wherein said adjustable mounting means is of tubular construction within a tubular sleeve having a pin passing through the sleeve and the tube to locate said support structure in a particular position.
Claim 7
Dependent Claim
30 words
An orthopaedic trolley as claimed in claim 1, wherein said legs are interconnected only at their inner ends and the trolley is maneuverable by a patient user's ble foot limb.
Claim 8
Dependent Claim
23 words
An orthopaedic trolley as claimed in claim 1, wherein said patient knee and leg support means includes a non-flexible foam filled cushion support.
Claim 9
Dependent Claim
37 words
An orthopaedic trolley as claimed in claim 1, wherein said patient knee and leg support means includes a cradle which is attached to said support structure generally towards the end substatially at said principal weight bearing area.
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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) | 1992-09-18 | 1993-03-20 | 1993-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-18 | 1997-03-20 | 1997-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-18 | 2001-03-20 | 2001-09-19 | $7700.00 | Window Closed / Lapsed |