US4537184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable orthopaedic splint system
Assignee: AGC Automotive Americas Co
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Filing: 1983-09-27
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Granted: 1985-08-27
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Expires: 2003-09-27
Abstract
Abstract The invention is a portable orthopaedic splint system comprising a durable tear resistant outer bag containing a linear segment of an orthopaedic splint material impregnated with an unreacted hardening agent, and an inner bag containing a liquid for reacting with said hardening agent to produce a hard stiff splint. The inner bag is capable of being ruptured by manual pressure upon the outer bag and is in juxtaposition with the splint material so that when the outer bag is manually squeezed to rupture the inner bag, the liquid from the inner bag will be released, mixed with said material, and react with the hardening agent therein to form a hard stiff splint which can be used to protect and immobilize the injured member to which it is applied.
Inventors
- 👤 James T. Williams, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
F; F25; F25D; F25D5/00; F25D5/02; A; A61; A61F; A61F13/00; A61F13/04; B; B29; B29C; B29C67/00; B29C67/0037; B29C67/24; B29C67/247
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
198 words
A portable orthopaedic splint system, comprising: a durable tear-resistant outer bag containing a linear segment of an orthopaedic splint material impregnated with an unreacted hardening agent; an inner bag containing a liquid for reacting with said hardening agent to produce a hard, stiff splint, said inner bag capable of being ruptured by manual pressure upon said outer bag and being in juxtaposition with said splint material, whereby when said outer bag is manually squeezed to rupture said inner bag, the liquid from said inner bag will be released, mix with said splint material, and react with the hardening agent therein to form a hard, stiff splint; and a refrigeration bag in juxtaposition with said linear splint material, said refrigeration bag comprising a durable tear-resistant outer refrigeration bag containing a water reactive refrigeration agent and an inner refrigeration bag containing water, said inner refrigeration bag capable of being ruptured by manual pressure to release said water for reaction with said refrigeration agent to produce a cooling effect in said splint system and thereby counteract any heat released from the reaction of said hardening agent and reduce any swelling in the injured area to which the splint system is applied.
Claim 2
Dependent Claim
198 words
A portable orthopaedic splint system, comprising: a durable tear-resistant outer bag containing a linear segment of an orthopaedic splint material impregnated with an unreacted hardening agent; an inner bag containing a liquid for reacting with said hardening agent to produce a hard, stiff splint, said inner bag capable of being ruptured by manual pressure upon said outer bag and being in juxtaposition with said splint material, whereby when said outer bag is manually squeezed to rupture said inner bag, the liquid from said inner bag will be released, mix with said splint material, and react with the hardening agent therein to form a hard, stiff splint; and a refrigeration bag in juxtaposition with said linear splint material, said refrigeration bag comprising a durable tear-resistant outer refrigeration bag containing a water reactive refrigeration agent and an inner refrigeration bag containing water, said inner refrigeration bag capable of being ruptured by manual pressure to release said water for reaction with said refrigeration agent to produce a cooling effect in said splint system and thereby counteract any heat released from the reaction of said hardening agent and reduce any swelling in the injured area to which the splint system is applied.
Claim 3
Dependent Claim
30 words
The portable orthopaedic splint system of claim 1 wherein said splint material is conventional plaster cast material impregnated with plaster and wherein the liquid in said inner bag is water.
Claim 4
Dependent Claim
37 words
The portable orthopaedic splint system of claim 1 wherein said splint material is impregnated with a resin hardener and wherein the liquid in said inner bag comprises an activating agent to harden said resin when admixed therewith.
Claim 5
Dependent Claim
29 words
The portable orthopaedic splint system of claim 1 having a cushion on one side of said splint material, for application to the injured area to be protected and immobilized.
Claim 6
Dependent Claim
59 words
The portable orthopaedic splint system of claim 1 wherein said splint material is conventional plaster cast material impregnated with plaster and wherein the liquid in said inner bag is water, said refrigeration bag containing a refrigeration agent which will be activated by the water contained within said inner refrigeration bag to release said water, thus producing a cooling effect.
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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) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |