Patent US4523394A successfully refreshed from Google Patents.
US4523394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ankle ligament protective device
Assignee: Individual
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Filing: 1981-11-11
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Granted: 1985-06-18
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Expires: 2001-11-11
Abstract
Abstract A foot ligament protective device comprising a foot plate (1), extending from the heel portion of the foot at least over the arch, an ankle sleeve (3) provided with fastening means (12, 13) and designed to be fixed around the ankle portion of the foot, and flexible but lengthwise substantially not extensible connecting members (2), which are arranged to connect the ankle sleeve (3) on both sides of the foot to the foot plate (1) in at least a fore and rear portion of the latter, such that sideways overstretching movements are prevented.
Inventors
- 👤 Kjell E. Lindh
- 👤 Kjell H. Sundin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:28
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/18; A43B7/20; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0111
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
177 words
An ankle ligament protective device adapted for use in an with a shoe, comprising: a foot plate adapted to be placed under a foot and extending from the heel portion to and under the arch of the foot, the shoe, when worn, forming means for securing the foot plate to the foot; an ankle sleeve having fastening means for attachment of the sleeve around and over the ankle portion of the lower leg, particularly above the prominence areas of the ankle; and, flexible, lengthwise non-extensible connecting members attaching the foot plate to the ankle sleeve, said members extending on each side of the ankle sleeve from a single point of attachment over a prominence area of the ankle to at least a rear part of the foot plate, the connecting members permitting foot movements through a normally full range of non-injurious positions, but preventing excessive sideways movements into positions likely to cause ligament injury, whereby said ankle ligament protective device can be worn with normal shoes which need not be specially adapted for use with said device.
Claim 2
Dependent Claim
177 words
An ankle ligament protective device adapted for use in an with a shoe, comprising: a foot plate adapted to be placed under a foot and extending from the heel portion to and under the arch of the foot, the shoe, when worn, forming means for securing the foot plate to the foot; an ankle sleeve having fastening means for attachment of the sleeve around and over the ankle portion of the lower leg, particularly above the prominence areas of the ankle; and, flexible, lengthwise non-extensible connecting members attaching the foot plate to the ankle sleeve, said members extending on each side of the ankle sleeve from a single point of attachment over a prominence area of the ankle to at least a rear part of the foot plate, the connecting members permitting foot movements through a normally full range of non-injurious positions, but preventing excessive sideways movements into positions likely to cause ligament injury, whereby said ankle ligament protective device can be worn with normal shoes which need not be specially adapted for use with said device.
Claim 3
Dependent Claim
35 words
A device according to claim 1, comprising a further flexible, lengthwise non-extensible member further connecting one of the prominence area portions of the ankle sleeve to at least a fore part of the foot plate.
Claim 4
Dependent Claim
13 words
A device according to claim 1, wherein the connecting members are lengthwise adjustable.
Claim 5
Dependent Claim
17 words
A device according to claim 1, wherein the connecting members are formed integrally with the foot plate.
Claim 6
Dependent Claim
16 words
A device according to claim 1, wherein the ankle sleeve is removable from the foot plate.
Claim 7
Dependent Claim
46 words
A device according to claim 1, wherein the connecting members comprise a first part integrally formed with the foot plate and a second part integrally formed with the ankle sleeve, and further comprising fastening means for connecting the first and second connecting parts to one another.
Claim 8
Dependent Claim
24 words
A device according to claim 1, wherein the connecting members are fixedly attached to the foot plate and releasably attachable to the ankle sleeve.
Claim 9
Dependent Claim
22 words
A device according to claim 1, wherein the connecting members are held in position by fastening means comprising hook and pile components.
Claim 10
Dependent Claim
19 words
A device according to claim 1, wherein the fastening means for the ankle sleeve comprises hook and pile components.
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) | 1988-06-17 | 1988-12-17 | 1989-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-17 | 1992-12-17 | 1993-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-17 | 1996-12-17 | 1997-06-18 | $7700.00 | Window Closed / Lapsed |