US4573456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam body support
Assignee: Span America Medical Systems Inc
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Filing: 1985-05-28
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Granted: 1986-03-04
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Expires: 2005-05-28
Abstract
Abstract A support is illustrated for the human body which is constructed essentially of a foam block having a plurality of spaced, aligned slits or narrow openings in the body support surface extending into the foam block with an enlarged air channel in the block into which the slit opens so that a discrete support is formed between adjacent slits and there respective channels.
Inventors
- 👤 Donald C. Spann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:52
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/06; A61F13/064; A61F13/069; A61F13/15; A61F13/56; A61F13/62; A61F2013/15008; A61F2013/15024; A61F13/53; A61F2013/530802; A61F2013/5666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A support for receiving a limb of an orthopedic patient constructed essentially of a synthetic foam block comprising: an arcuate body supporting surface in said synthetic foam block extending across a supported body portion of a human body; a plurality of spaced, aligned cuts having been formed in said foam block by sawing in a predetermined continuous motion opening in said arcuate body supporting surfaces extending into said foam block; an enlarged air channel having been formed in said foam block by sawing in the same motion of the saw forming said cuts in said foam block aligned with and forming a terminus for each of said cuts; a segmented discrete support member formed between adjacent cuts and their respective channels; and a foam strap with Velcro attachment means for receiving same to said block; whereby body heat and moisture may be dissipated in air permeable enlarged air channels forming a ring of air about the limb and a yieldable support offered by said discrete support members.
Claim 2
Dependent Claim
167 words
A support for receiving a limb of an orthopedic patient constructed essentially of a synthetic foam block comprising: an arcuate body supporting surface in said synthetic foam block extending across a supported body portion of a human body; a plurality of spaced, aligned cuts having been formed in said foam block by sawing in a predetermined continuous motion opening in said arcuate body supporting surfaces extending into said foam block; an enlarged air channel having been formed in said foam block by sawing in the same motion of the saw forming said cuts in said foam block aligned with and forming a terminus for each of said cuts; a segmented discrete support member formed between adjacent cuts and their respective channels; and a foam strap with Velcro attachment means for receiving same to said block; whereby body heat and moisture may be dissipated in air permeable enlarged air channels forming a ring of air about the limb and a yieldable support offered by said discrete support members.
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) | 1989-03-03 | 1989-09-02 | 1990-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-03 | 1993-09-02 | 1994-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-03 | 1997-09-02 | 1998-03-04 | $7700.00 | Window Closed / Lapsed |