US5151083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for eliminating air bubbles in an ultrasonic surgical device
Assignee: Misonix LLC
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Filing: 1991-07-29
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Granted: 1992-09-29
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Expires: 2011-07-29
Abstract
Abstract In an ultrasonic handpiece with irrigation an aspiration passages, an opening is made between the aspirating passage and the irrigating passage so as to remove bubbles from the operating site so that the surgeon's vision will not be obstructed.
Inventors
- 👤 Robert H. Pichler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320068; A61B2017/32007; A61B2017/320084; A61B2217/00; A61B2217/002; A61B2217/007; A61M; A61M3/00; A61M3/02; A61M3/0279; Y; Y10; Y10S; Y10S604/00; Y10S604/902
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
An ultrasonic handpiece comprising, an ultrasonic motor with an aspirating passage therethrough mounted in said handpiece and formed with a tubular shaped extending portion, suction means connected to said aspirating passage, said passage extending through said tubular-shaped extending portion, a hollow needle attached to said tubular-shaped extending portion, a generally cylindrical-shaped member of said handpiece extending and enclosing said tubular-shaped extending portion to form a cavity and irrigation means adapted to supply irrigation fluid to said cavity and to an operating site at an end of said needle a and an opening formed in said ultrasonic motor between said aspirating passage and said cavity so as to remove bubbles from the irrigation fluid.
Claim 2
Dependent Claim
113 words
An ultrasonic handpiece comprising, an ultrasonic motor with an aspirating passage therethrough mounted in said handpiece and formed with a tubular shaped extending portion, suction means connected to said aspirating passage, said passage extending through said tubular-shaped extending portion, a hollow needle attached to said tubular-shaped extending portion, a generally cylindrical-shaped member of said handpiece extending and enclosing said tubular-shaped extending portion to form a cavity and irrigation means adapted to supply irrigation fluid to said cavity and to an operating site at an end of said needle a and an opening formed in said ultrasonic motor between said aspirating passage and said cavity so as to remove bubbles from the irrigation fluid.
Claim 3
Dependent Claim
27 words
An ultrasonic handpiece according to claim 1 wherein said opening is substantially linear and makes an angle of sixty degrees with the longitudinal axis of said handpiece.
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) | 1995-09-29 | 1996-03-30 | 1996-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-29 | 2000-03-30 | 2000-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-29 | 2004-03-30 | 2004-09-29 | $7700.00 | Window Closed / Lapsed |