Surgery – Instruments – Light application
Patent
1995-05-31
1998-04-14
Shay, David M.
Surgery
Instruments
Light application
606 2, 606 3, 606 10, 128898, A61N 506
Patent
active
057386773
ABSTRACT:
An optical probe configured for insertion into the anterior chamber of an eye, adjacent to the cataractous lens of the eye, comprises an optical source, and an optical waveguide connected to deliver optical radiation from the source to the probe. The optical radiation is in the form of pulses which have a repetition rate, a wavelength and an optical energy selected to cause significant ablation-induced damage to the lens within an ablation zone, and significant acoustic-induced damage to the lens within an acoustic zone, such that the acoustic zone is significantly larger in size than the ablation zone. The acoustic zone is created by generating shock waves which radiate from the ablation zone and propagate through hard nuclear material of the cataractous lens, such that the nuclear material is microfractured. The microfractured lens material is significantly more reactive to the laser pulses than prior to microfracturing, and the hard nuclear material readily disintegrates into small fragments in response to application of laser pulses.
REFERENCES:
patent: 3460538 (1969-08-01), Armstrong
patent: 3971382 (1976-07-01), Krasnov
patent: 3982541 (1976-09-01), L'Esperance, Jr.
patent: 4024866 (1977-05-01), Wallach
patent: 4221825 (1980-09-01), Guerder et al.
patent: 4309998 (1982-01-01), Rosa et al.
patent: 4320761 (1982-03-01), Haddad
patent: 4391275 (1983-07-01), Fankhauser et al.
patent: 4433692 (1984-02-01), Baba
patent: 4501274 (1985-02-01), Skjaerpe
patent: 4517973 (1985-05-01), Sunago et al.
patent: 4517974 (1985-05-01), Tanner
patent: 4526170 (1985-07-01), Tanner
patent: 4537193 (1985-08-01), Tanner
patent: 4538608 (1985-09-01), L'Esperance, Jr.
patent: 4551129 (1985-11-01), Coleman et al.
patent: 4558698 (1985-12-01), O'Dell
patent: 4559942 (1985-12-01), Eisenberg
patent: 4564011 (1986-01-01), Goldman
patent: 4582405 (1986-04-01), Muller et al.
patent: 4583539 (1986-04-01), Karlin et al.
patent: 4686979 (1987-08-01), Gruen et al.
patent: 4694828 (1987-09-01), Eichenbaum
patent: 4729373 (1988-03-01), Peyman
patent: 4784135 (1988-11-01), Blum et al.
patent: 4825865 (1989-05-01), Zelman
patent: 4846172 (1989-07-01), Berlin
patent: 4887600 (1989-12-01), Watson et al.
patent: 4907586 (1990-03-01), Billie et al.
patent: 4988163 (1991-01-01), Cohen et al.
patent: 5041108 (1991-08-01), Fox et al.
patent: 5044717 (1991-09-01), Levatter
patent: 5071422 (1991-12-01), Watson et al.
patent: 5129895 (1992-07-01), Vassiliadis et al.
The American Heritage Dictionary, 1982 p. 600.
Akopyan, V.S., et al., "New Clinical Prospects for Applying Lasers with Q-Switching in Ophthalmology", Izvestiya Akademii Nauk SSSR, Seriya Fizicheskaya, vol. 46, No. 10, 1982, pp. 2000-4.
Ando, Fumitaka, M.D., "Contact Lens Scalpel for Intraocular Surgery", American Journal of Ophthalmology, vol. 102 No. 5, Nov. 1986.
Bonner, R.F., Esterwitz, Leon, et al., "Quantification of Tissue Effects due to a Pulsed Er:YAG Laser at 2.9 nm with Beam Delivery in a Wet Field via Zirconium Fluoride Fibers", SPIE, vol. 713, Optical Fibers in Medicine II, 1986.
Berlin, Michael S., M.D., et al. "Excimer Laser Photoablation in Glaucoma Filtering Surgery", American Journal of Opthalmology, May 1987.
Esterwitz, Leon, "Er:Yag Laser Shows Promise for Medical Application", 1987.
Gaasterland, Douglas E., M.D., et al., "Ab Externo Filtering Operations by Laser Contact Surgery", Ophthalmic Surgery, vol. 18, No. 4, Apr. 1987.
Goldberg, Morton F., et al. "Hisopathological Characteristics of Neodymium-Yag Laser Iridotomy in the Human Eye", British Journal of Ophthalmology, vol. 18, No. 5, May 1987.
Krasnov, Michail M., Q-Switched ("Cool") Laser in Ophthalmology, Int'l Ophthal Clinics, vol. 16, No. 4 1976, pp. 29-44.
Krasnov, M.M., "Laser Phakopuncture in the Treatment of Soft Cataracts", British Journal of Ophthalmology, vol. 59, 1975, pp. 96-98.
Karsnov, M.M., M.D., "Q-Switched Laser Goniopuncture" Arch Ophthalmol, vol. 92, Jul. 1974, pp. 37-41.
Karsnov, M.M., "Q-Switched Laser Iridectomy and Q-Switched Laser Goniopuncture", Adv. Ophthal, vol. 34, pp. 192-196, (Karger, Basel 1997).
Maguen, Ezar, M.D., et al., "Excimer Laser Ablation of the Human Lens at 308 nm wit a Fiber Delivery System", J. Cataract Refract. Surg., vol. 14, Jul. 1989.
Nanevicz, Tania M., et al., "Excimer Laser Ablation of the Lens", Arch. Ophthalmol., vol. 104, Dec. 1986.
Pellin, Michael, PhD., et al., "Endoexcimer Laser Intraocular Ablative Photodecomposition", American Journal of Ophthalmology, Apr. 1985.
Peyman, Gholam A., M.D., et al., "Effects of XeC1 Excimer Laser on the Eyelid and Anterior Segment Structures", Arch. Opthalmol., vol. 104, Jan. 1986.
Puliafito, Carmen A., M.D., et al., "Excimer Laser Ablation of the Cornea and Lens, Experimental Studies", Ophthalmology, vol. 92, No. 6, Jun. 1985.
Richardson, Thomas M., M.D., et al., "Shock-Wave Effect on Anterior Segment Structures Following Experimental Neodymium: YAG Laser Iridectomy", Ophthalmology, vol. 92, No. 10, Oct. 1985.
Wheeler, C.B., "Laser Iridectomy", Phys. Med. Biol., vol. 22, No. 6, 1977, pp. 1115-1135.
Wolbarst, Myron L., "Laser Surgery; Co2 or HF", IEEE Journal of Quantum Electronics, vol. QE-20, No. 12, Dec. 1984.
van der Zypen, Eugen, M.D., "Transscleral Iridotomy Using a Neodymium: YAG Laser Operated Both with Standard Equipment and an Optical Fiber System-A Preliminary Report: Part II-Light and Electron Microscopic Findings", Ophthalmology Surgery, vol. 18, No. 5, May 1987.
Bruck, Laura B., Contributing Editor, "Special Section on Phacoemulsification", Ophthalmology Times, vol. 16, No. 10, May 15, 1992, pp. 1, 10-14, 16-17, 24, 26, 30.
Dodick, Jack M. M.D., "How Does the Nd:YAG Achieve Cataract Lysis?", Ophthalmology Times, vol. 17, No. 3, Feb. 1, 1992, pp. 1, 34-35.
Guttman, Cheryl, Contributing Editor, "First Laser Phacolysis Proves a Success", Ophthalmology Times, vol. 16, No. 21, Nov. 1, 1992, pp. 1, 12.
"First Laser Phacolysis Heralds Advances in Cataract Removal", Clinical Laser Monthly, vol. 10, No. 3, Mar. 1992, pp. 33--52.
OSN Interview, "Dodick begins term as ASCRS president", Optical Surgery News, Apr. 1, 1991, pp. 16, 19-23, 26.
H. Loertscher, W.Q. Shi, and W.S. Grundfest "Tissue Ablation Through Water with Erbium: YAG Lasers", IEEE Transactions on Biomedical Engineering, vol. 39, No. 1, Jan. 1992.
Amirkhanian Varouj D.
Colvard Michael
Cozean Colette
Mazza Judy E.
Wescoat HeeJung Koh
Premier Laser Systems, Inc.
Shay David M.
LandOfFree
Apparatus and method for performing eye surgery does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for performing eye surgery, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for performing eye surgery will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-631445