Patent US4032856A successfully refreshed from Google Patents.
Patent US6953457B2 successfully refreshed from Google Patents.
US6953457B2
Expired / Lapsed
US
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Phototherapeutic wave guide apparatus
Assignee: Cardiofocus Inc
•
Filing: 2002-07-22
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Granted: 2005-10-11
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Expires: 2022-07-22
Abstract
Abstract Methods and apparatus are disclosed for forming annular lesions in tissue. The methods include introduction of an optical apparatus proximate to a tissue site, via, for example, a catheter. The optical apparatus includes a pattern-forming optical wave guide in communication with a light transmitting optical fiber. Energy is transmitted through the optical fiber, such that radiation is propagated through the optical fiber and the wave guide projects an annular light pattern, e.g., a circle or a halo.
Inventors
- 👤 Norman E. Farr
- 👤 William E. Wieler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:40
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B18/245; A61B17/00; A61B2017/00017; A61B2017/00022; A61B2017/00057; A61B2017/00061; A61B2018/00964; A61B2018/0097; A61B2018/2255; A61B2018/2266; A61B2018/2272; A61B90/00; A61B90/06; A61B2090/064; A61B2090/065
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
87 words
A phototherapeutic apparatus comprising a flexible elongate catheter, adapted for insertion in a heart via a blood vessel, having a lumen housing a light transmitting optical fiber and an optical lens element for projecting an annular pattern of light onto cardiac tissue, such that radiation propagating through said optical fiber is transmitted into the lens element and then projected by the lens element into an annular pattern of phototherapeutic radiation around a pulmonary vein of a heart, wherein the optical fiber is slidably adjustable within the lumen.
Claim 2
Dependent Claim
87 words
A phototherapeutic apparatus comprising a flexible elongate catheter, adapted for insertion in a heart via a blood vessel, having a lumen housing a light transmitting optical fiber and an optical lens element for projecting an annular pattern of light onto cardiac tissue, such that radiation propagating through said optical fiber is transmitted into the lens element and then projected by the lens element into an annular pattern of phototherapeutic radiation around a pulmonary vein of a heart, wherein the optical fiber is slidably adjustable within the lumen.
Claim 3
Dependent Claim
15 words
The apparatus of claim 1 , wherein said optical lens element comprises a quartz lens.
Claim 4
Dependent Claim
15 words
The apparatus of claim 1 , wherein said optical lens element comprises an acrylic lens.
Claim 5
Dependent Claim
29 words
The apparatus of claim 1 , wherein said fiber is capable of transmitting radiation in at least one range of wavelengths between about 200 nanometers and about 2400 nanometers.
Claim 6
Dependent Claim
15 words
The apparatus of claim 4 , wherein said fiber is capable of transmitting infrared radiation.
Claim 7
Dependent Claim
21 words
The apparatus of claim 5 , wherein said fiber is capable of transmitting radiation at a wavelength of about 915 nanometers.
Claim 8
Dependent Claim
30 words
The apparatus of claim 4 , wherein said fiber is capable of transmitting ultraviolet light in at least one range of wavelengths between about 200 nanometers and about 400 nanometers.
Claim 9
Dependent Claim
25 words
The apparatus of claim 1 , wherein said apparatus further comprises a graded index lens adjacent to said optical fiber for projecting said light pattern.
Claim 10
Dependent Claim
24 words
The apparatus of claim 1 , wherein said apparatus further comprises a refractive lens adjacent to said optical fiber for projecting said light pattern.
Claim 11
Dependent Claim
18 words
The apparatus of claim 1 , wherein at least a portion of the flexible elongate member is transparent.
Claim 12
Dependent Claim
19 words
The apparatus of claim 1 , further including an inflatable balloon surrounding a portion of the flexible elongate member.
Claim 13
Dependent Claim
12 words
The apparatus of claim 11 , wherein the inflatable balloon is transparent.
Claim 14
Dependent Claim
29 words
The apparatus of claim 1 , wherein the annular pattern is projected at an angle between about 20 and 45 degrees from a central axis of the optical fiber.
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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) | 2008-10-10 | 2009-04-11 | 2009-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-10-10 | 2013-04-11 | 2013-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-10-10 | 2017-04-11 | 2017-10-11 | $7700.00 | Window Closed / Lapsed |