US4475543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumbosacral brace
Assignee: Individual
•
Filing: 1983-01-17
•
Granted: 1984-10-09
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Expires: 2003-01-17
Abstract
Abstract An anatomic brace comprises a wide, elastic belt fashioned with a pouch, in combination with a semi-wrap-around polyurethane foam splint cured in place in the pouch while the belt is tightly fitted to the patient.
Inventors
- 👤 William R. Brooks
- 👤 Irving C. Heinzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:19
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/07; A61F; A61F5/00; A61F5/01; A61F5/02; A61F5/028
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
The method of providing an anatomic support which comprises the steps of: fashioning an elastic fabric belt arrangement with a pocket closed on three sides and having an open, selectively closable mouth; charging a selected quantity of viscously fluid, flowable, permanently hardenable, polymeric brace material into said pouch; closing the mouth of said pouch; immediately stretching and snugly strapping said belt arrangement around a patient's body region to be supported, tensile forces generated in said belt arrangement, as a result of stretching it, acting to cause said brace material to flow, while in its unhardened state, into intimate conformity with the confronting, patient's body region; and allowing said brace material to harden in continuation of the application of said tensile forces whereby to form a permanently individually contoured splint shape.
Claim 2
Independent Claim
130 words
The method of providing an anatomic support which comprises the steps of: fashioning an elastic fabric belt arrangement with a pocket closed on three sides and having an open, selectively closable mouth; charging a selected quantity of viscously fluid, flowable, permanently hardenable, polymeric brace material into said pouch; closing the mouth of said pouch; immediately stretching and snugly strapping said belt arrangement around a patient's body region to be supported, tensile forces generated in said belt arrangement, as a result of stretching it, acting to cause said brace material to flow, while in its unhardened state, into intimate conformity with the confronting, patient's body region; and allowing said brace material to harden in continuation of the application of said tensile forces whereby to form a permanently individually contoured splint shape.
Claim 3
Dependent Claim
28 words
The method according to claim 1 wherein said brace material is a water-reactable, polyurethane foam prepolymer and wherein water for curing said prepolymer is provided in said pouch.
Claim 4
Dependent Claim
12 words
An anatomic support made in accordance with the method of claim 1.
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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |