US5041119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular attachment for drill
Assignee: Synthes USA LLC
•
Filing: 1989-12-05
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Granted: 1991-08-20
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Expires: 2009-12-05
Abstract
Abstract An angle frame for surgical use is made of materials permeable by X-radiation.
Inventors
- 👤 Robert Frigg
- 👤 Paul Gisin
- 👤 Guido Scandella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:51
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/043; B23Q5/045; A; A61; A61B; A61B17/00; A61B17/16; A61B17/17; A61B17/1703; A61B17/1739; A61B17/1742; A61B17/1757; A61B2017/00831; A61B2017/00902
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
118 words
An angular attachment for a surgical drilling machine comprising a tubular housing with a front end and a rear end, a drill bit, means for securing said drill bit to the front end and means for securing the rear end to a drilling machine, at least said front end and said means for securing a drill bit being constructed of a material penetrable by x-radiation, a drive shaft having an axis of rotation, means for attaching said drive shaft to the drilling machine, and connecting means for connecting said drive shaft to said drill bit to rotate said drill bit at an angle to the axis of said drive shaft, said connecting means comprising two intermeshing conical gears.
Claim 2
Dependent Claim
118 words
An angular attachment for a surgical drilling machine comprising a tubular housing with a front end and a rear end, a drill bit, means for securing said drill bit to the front end and means for securing the rear end to a drilling machine, at least said front end and said means for securing a drill bit being constructed of a material penetrable by x-radiation, a drive shaft having an axis of rotation, means for attaching said drive shaft to the drilling machine, and connecting means for connecting said drive shaft to said drill bit to rotate said drill bit at an angle to the axis of said drive shaft, said connecting means comprising two intermeshing conical gears.
Claim 3
Dependent Claim
20 words
The attachment claimed in claim 1 wherein said drive shaft and connecting means are made of an X-radiation permeable material.
Claim 4
Dependent Claim
32 words
The attachment claimed in claim 1 and comprising a support bolt coaxial with said drive shaft for stabilizing said drive shaft, said support bolt being made of a material permeable by X-radiation.
References Cited (Backward Citations)
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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) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |