US4682600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-invasive method and apparatus for in situ disintegration of body calculi
Assignee: Siemens AG
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Filing: 1985-07-01
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Granted: 1987-07-28
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Expires: 2005-07-01
Abstract
Abstract A non-invasive method and apparatus for in situ disintegrating calculi in the body of a living being employ electromagnetic radiation generated by a transmission antenna. The electromagnetic radiation is highly focused at the location of the calculus to be disintegrated. The transmission antenna is matched to the body medium by a suitable dielectric material.
Inventors
- 👤 Werner Haas
- 👤 Wolfgang Knuepfer
- 👤 Manfred Pfeiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:01
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/225; A61B18/00; A61B18/18; A61N; A61N5/00; A61N5/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
41 words
A method for non-body invasive disintegration of a calculus in the body of a patient comprising the steps of: supporting the patient on a patient support bed; generating electromagnetic radiation; and focusing said electromagnetic radiation at said calculus in said patient.
Claim 2
Independent Claim
41 words
A method for non-body invasive disintegration of a calculus in the body of a patient comprising the steps of: supporting the patient on a patient support bed; generating electromagnetic radiation; and focusing said electromagnetic radiation at said calculus in said patient.
Claim 3
Dependent Claim
50 words
A method as claimed in claim 1 wherein the step of generating said electromagnetic radiation is further defined by generating electromagnetic radiation by means of a transmission element disposed at the focus of a concave reflector, said concave reflector being shaped for directing the reflected electromagnetic radiation at said calculus.
Claim 4
Dependent Claim
50 words
A method as claimed in claim 1 wherein said electromagnetic radiation is generated at a source, and wherein the step of focusing said electromagnetic radiation at said calculus is further defined by orienting said patient support bed with respect to said source for directing said electromagnetic radiation at said calculus.
Claim 5
Dependent Claim
36 words
A method as claimed in claim 1 wherein the step of generating said electromagnetic radiation is further defined by generating electromagnetic radiation from a plurality of discrete radiating elements disposed in an array around said patient.
Claim 6
Dependent Claim
16 words
A method as claimed in claim 1 comprising the additional steps of pulsing said electromagnetic 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) | 1990-07-27 | 1991-01-26 | 1991-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-27 | 1995-01-26 | 1995-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-27 | 1999-01-26 | 1999-07-28 | $7700.00 | Window Closed / Lapsed |