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US4227532A
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Device for crushing calculi in the urinary bladder
Assignee: US Philips Corp
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Filing: 1978-04-03
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Granted: 1980-10-14
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Expires: 1998-04-03
Abstract
Abstract A device for crushing calculi in the urinary bladder, comprising a bundle of elongate, flexible lithotriptors which are accommodated in a ureter catheter and on whereto reciprocating movements can be imparted by a drive system.
Inventors
- 👤 Karl H. Bluhm
- 👤 Helfrid Kunath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/22004; A61B17/22012; A61B2017/22014; A61B90/00; A61B90/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A device for crushing calculi in the urinary bladder, comprising a bundle of independently reciprocatable, elongate, flexible lithotriptors disposed in a ureter catheter in a configuration comprising a ring of lithotriptors arranged around a central lithotriptor.
Claim 2
Independent Claim
36 words
A device for crushing calculi in the urinary bladder, comprising a bundle of independently reciprocatable, elongate, flexible lithotriptors disposed in a ureter catheter in a configuration comprising a ring of lithotriptors arranged around a central lithotriptor.
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) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |