Patent US4531514A successfully refreshed from Google Patents.
US4531514A
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US
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Orthopedic traction apparatus
Assignee: TRACTION EASE Inc
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Filing: 1983-06-10
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Granted: 1985-07-30
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Expires: 2003-06-10
Abstract
Abstract An orthopedic traction apparatus for providing traction and flexion to the lumbar spine has in combination a trapeze bar connected to a double-pull traction belt by means of a pair of lateral suspension straps to provide stability. The trapeze bar or T-bar is suspended from a block-and-tackle to provide means for hoisting the user off the floor when the user is wearing the belt and has his legs over the trapeze bar.
Inventors
- 👤 J. Ralph McDonald
- 👤 Philip S. McDonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:13
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H2203/00; A61H2203/04; A61H2203/0443; A61H2203/045; A61H2203/0481; A61H2203/0493
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
181 words
Orthopedic traction apparatus comprising in combination: a trapeze bar means for accomodating the legs of a user and having attachment means at either end thereof; a traction pelvic belt means having suspending strap means extending upwardly from both respective sides of said belt means for attachment to said attachment means at the ends of said trapeze bar such that when in use said trapeze bar will be elevated above said suspending strap means; block and tackle means attached to said trapeze bar means for hoisting said trapeze bar means, traction pelvic belt means and a user from a surface such that when in use said trapeze bar means will be elevated and positioned directly below said block and tackle means; and means for suspending said block and tackle means from an elevated support means such that said block and tackle means and trapeze bar means will be at an elevated position above the torso of said user when in use allowing said user's legs, buttocks and pelvis to be raised by any desired position for traction and articulation of the spine.
Claim 2
Dependent Claim
181 words
Orthopedic traction apparatus comprising in combination: a trapeze bar means for accomodating the legs of a user and having attachment means at either end thereof; a traction pelvic belt means having suspending strap means extending upwardly from both respective sides of said belt means for attachment to said attachment means at the ends of said trapeze bar such that when in use said trapeze bar will be elevated above said suspending strap means; block and tackle means attached to said trapeze bar means for hoisting said trapeze bar means, traction pelvic belt means and a user from a surface such that when in use said trapeze bar means will be elevated and positioned directly below said block and tackle means; and means for suspending said block and tackle means from an elevated support means such that said block and tackle means and trapeze bar means will be at an elevated position above the torso of said user when in use allowing said user's legs, buttocks and pelvis to be raised by any desired position for traction and articulation of the spine.
Claim 3
Dependent Claim
34 words
Traction apparatus means as set forth in claim 1, wherein said elevated support means is a portable support bar positioned above said block and tackle means and supported by a plurality of leg means.
Claim 4
Dependent Claim
15 words
Traction apparatus as set forth in claim 1, including padding material on said trapeze bar.
Claim 5
Dependent Claim
16 words
Traction apparatus as set forth in claim 1, wherein said trapeze bar means comprises a T-bar.
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) | 1988-07-29 | 1989-01-28 | 1989-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-29 | 1993-01-28 | 1993-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-29 | 1997-01-28 | 1997-07-30 | $7700.00 | Window Closed / Lapsed |