US4641650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe-and-fire lasers
Assignee: MCM LABORATORIES Inc
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Filing: 1985-03-11
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Granted: 1987-02-10
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Expires: 2005-03-11
Abstract
Abstract Method and apparatus of irradiating a treatment area within a body includes introducing elongated flexible radiation transfer conduit (fiberoptic arrays) into the body cavity with the distal end thereof operatively opposite the treatment area. At the other end of the conduit there is photoelectrically sensed a particular optical characteristic of the treatment area (such as fluorescence) and as long as the particular optical characteristic is sensed there is periodically transmitted laser pulses via the conduit to the treatment site.
Inventors
- 👤 Walter Y. W. Mok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B18/245; A61B17/00; A61B2017/00017; A61B2017/00137; A61B2017/00154; A61B2018/00636
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
124 words
A surgical laser system for operating on a treatment site comprising: a fiber optical means having a proximal end and a distal end positionable in operative proximity to the treatment site; a treatment laser source optically connected to the proximal end of said fiber optical means; a diagnostic radiation source connected to the proximal end of said fiber optical means for irradiating the treatment site; a responding radiation detector means connected to the proximal end of said fiber optical means for generating a control signal when detecting a particular radiation in response to being irradiated by said diagnostic radiation source from the treatment site; and means for controlling said treatment laser source to operate only when said radiation detector means emits said control signal.
Claim 2
Dependent Claim
124 words
A surgical laser system for operating on a treatment site comprising: a fiber optical means having a proximal end and a distal end positionable in operative proximity to the treatment site; a treatment laser source optically connected to the proximal end of said fiber optical means; a diagnostic radiation source connected to the proximal end of said fiber optical means for irradiating the treatment site; a responding radiation detector means connected to the proximal end of said fiber optical means for generating a control signal when detecting a particular radiation in response to being irradiated by said diagnostic radiation source from the treatment site; and means for controlling said treatment laser source to operate only when said radiation detector means emits said control signal.
Claim 3
Dependent Claim
35 words
The system of claim 1 wherein said fiber optical means comprises a multiple-wavelength beam splitter, a fiber optical device and a multiple-wavelength optical coupler optically coupling said multiple-wavelength beam splitter to said fiber optical device.
Claim 4
Dependent Claim
15 words
The system of claim 2 wherein said fiber optical device is a single optical fiber.
Claim 5
Dependent Claim
17 words
The system of claim 2 wherein said fiber optical device is a single bundle of optical fibers.
Claim 6
Dependent Claim
66 words
The system of claim 1 wherein said fiber optical means comprises first and second fiber optical devices, a multiple-wavelength beam splitter optically coupled to said treatment laser source and to said responding radiation detector, a multiple-wavelength optical coupler optically coupling said multiple-wavelength beam splitter to said first fiber optical device, and another optical coupler optically coupling said diagnostic radiation source to said second fiber optical device.
Claim 7
Dependent Claim
19 words
The system of claim 5 wherein at least one of said fiber optical devices is a single optical fiber.
Claim 8
Dependent Claim
20 words
The system of claim 5 wherein at least one of said fiber optical devices is a bundle of optical fibers.
Claim 9
Dependent Claim
71 words
The system of claim 1 wherein said fiberoptical means is a fiberoptical device having a central fiber optical diagnostic means with a proximal end coupled to said diagnostic radiation source, a receiving fiberoptical array means annularly disposed about said diagnostic means with a proximal end coupled to said detector, and a treatment fiber optical array also annularly disposed about said diagnostic means with one end coupled to said treatment laser source.
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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) | 1990-02-09 | 1990-08-11 | 1991-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-09 | 1994-08-11 | 1995-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-09 | 1998-08-11 | 1999-02-10 | $7700.00 | Window Closed / Lapsed |