US3785372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension desubluxation hinge appliance
Assignee: Individual
•
Filing: 1973-01-02
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Granted: 1974-01-15
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Expires: 1993-01-02
Abstract
Abstract An improved hinge appliance having a pair of thigh bar members joined at their upper ends by a band and having a pair of leg bar members joined at their lower ends by a band, said thigh bar members being connected to said leg bar members by hinge bar members having one end formed into a block form and the other end formed into a shank member extending outwardly with means for controlling the extension of the hinge appliance.
Inventors
- 👤 W Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:58
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0123; A61F5/0125
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
190 words
A hinge appliance for gradual extension of a contractured knee of a patient, comprising: a pair of thigh bar members each having an upper straight portion with ends pivotally connected to a semi-circular band, and a lower outwardly tapered offset portion; a pair of leg bar members each having an upper inwardly tapered offset poRtion with its upper end formed into a block member having a threaded opening therein, and a lower straight portion with ends pivotally connected to a semi-circular band; a pair of hinge bar members each having one end formed into a block member with a threaded opening therein which receives one end of a screw, and having the other end formed into a shank member at an angle to said block member, said shank member being pivotally mounted to the lower end of said thigh bar member, and said block member being connected by said screw to the block member of said leg bar member; and means for controlling extension of said hinge appliance, said means being mounted at the outer end of said shank member and at the upper end of said leg bar member.
Claim 2
Dependent Claim
190 words
A hinge appliance for gradual extension of a contractured knee of a patient, comprising: a pair of thigh bar members each having an upper straight portion with ends pivotally connected to a semi-circular band, and a lower outwardly tapered offset portion; a pair of leg bar members each having an upper inwardly tapered offset poRtion with its upper end formed into a block member having a threaded opening therein, and a lower straight portion with ends pivotally connected to a semi-circular band; a pair of hinge bar members each having one end formed into a block member with a threaded opening therein which receives one end of a screw, and having the other end formed into a shank member at an angle to said block member, said shank member being pivotally mounted to the lower end of said thigh bar member, and said block member being connected by said screw to the block member of said leg bar member; and means for controlling extension of said hinge appliance, said means being mounted at the outer end of said shank member and at the upper end of said leg bar member.
Claim 3
Dependent Claim
19 words
A hinge appliance according to claim 1 in which the angle of said shank member is an obtuse angle.
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |