Patent US2850265A successfully refreshed from Google Patents.
Patent US5879376A successfully refreshed from Google Patents.
US5879376A
Expired / Lapsed
US
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Method and apparatus for dermatology treatment
Assignee: MEDICAL LASER SOLUTIONS
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Filing: 1996-05-20
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Granted: 1999-03-09
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Expires: 2016-05-20
Abstract
Abstract A laser treatment method is provided which removes vascular and pigmented lesions from the skin of a living human. The methodology involves a carefully designed treatment protocol utilizing a modified optical apparatus. The apparatus is a modified diode laser system, designed for optimal therapeutic selectivity.
Inventors
- 👤 Iain D. Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:59
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/203; A61B17/00; A61B2017/00743; A61B2017/00747; A61B2017/00756; A61B2018/00315; A61B2018/00452; A61B2018/00458; A61B2018/2015; A61B2018/2025; A61N; A61N5/00; A61N5/06; A61N5/067
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
142 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; an optical scanner for simulating a larger tissue spot size, a focusing optics element, and a distance gauge for distance control of tissue contact, connected to the optical fiber; and a control circuitry element electronically connected to and controlling generation of a plurality of pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level in the range of 20-60 Watts, and a pulsewidth in the range of 30-99 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 2
Dependent Claim
142 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; an optical scanner for simulating a larger tissue spot size, a focusing optics element, and a distance gauge for distance control of tissue contact, connected to the optical fiber; and a control circuitry element electronically connected to and controlling generation of a plurality of pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level in the range of 20-60 Watts, and a pulsewidth in the range of 30-99 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 3
Dependent Claim
147 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; a dermatology handpiece connected to the optical fiber, said dermatology handpiece comprising an optical scanner for uniformly irradiating a larger tissue area a focusing optics element, and a distance gauge for distance control of tissue contact; and a control circuitry element electronically connected to and controlling generation of a pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level in the range of 20-60 Watts, and a pulsewidth in the range of 30-99 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 4
Dependent Claim
147 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; a dermatology handpiece connected to the optical fiber, said dermatology handpiece comprising an optical scanner for uniformly irradiating a larger tissue area a focusing optics element, and a distance gauge for distance control of tissue contact; and a control circuitry element electronically connected to and controlling generation of a pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level in the range of 20-60 Watts, and a pulsewidth in the range of 30-99 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 5
Dependent Claim
140 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; an optical scanner for simulating a larger tissue spot size, a focusing optics element, and a distance gauge for distance control of tissue contact, connected to the optical fiber; and a control circuitry element electronically connected to and controlling generation of a plurality of pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level of at least 20 Watts, and a pulsewidth of at least 30 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 6
Dependent Claim
140 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produced by the laser head; an optical scanner for simulating a larger tissue spot size, a focusing optics element, and a distance gauge for distance control of tissue contact, connected to the optical fiber; and a control circuitry element electronically connected to and controlling generation of a plurality of pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level of at least 20 Watts, and a pulsewidth of at least 30 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 7
Dependent Claim
145 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produce by the laser head; a dermatology handpiece connected to the optical fiber, said dermatology handpiece comprising an optical scanner for uniformly irradiating a larger tissue area, a focusing optics element, and a distance gauge for distance control of tissue contact; and a control circuitry element electronically connected to and controlling generation of a pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level of at least 20 Watts, and a pulsewidth of at least 30 milliseconds for effecting partial conduction in the surrounding dermis.
Claim 8
Dependent Claim
145 words
A therapeutic skin treatment device for the removal of unwanted leg veins and other vascular and pigmented lesions from the skin of a human, the device, comprising: a laser head containing power source, laser source, controls, and cooling electronics; an optical fiber connector and light guide optically coupled to the laser head for receiving light produce by the laser head; a dermatology handpiece connected to the optical fiber, said dermatology handpiece comprising an optical scanner for uniformly irradiating a larger tissue area, a focusing optics element, and a distance gauge for distance control of tissue contact; and a control circuitry element electronically connected to and controlling generation of a pulsed coherent light with a wavelength in the range of 700-1000 nm, a power level of at least 20 Watts, and a pulsewidth of at least 30 milliseconds for effecting partial conduction in the surrounding dermis.
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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) | 2002-03-08 | 2002-09-07 | 2003-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-08 | 2006-09-07 | 2007-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-08 | 2010-09-07 | 2011-03-09 | $7700.00 | Window Closed / Lapsed |