Intracanalicular implant for horizontal canalicular blockade tre

Details Intracanalicular implant for horizontal canalicular blockade tre Intracanalicular implant for horizontal canalicular blockade tre

1986-11-13

1991-10-01

Coven, Edward M.

Surgery

Controlled release therapeutic device or system

604298, A61M 2900

Patent

active

050530305

ABSTRACT:
An implant and method for treating external human eye conditions due to a deficiency of tears. The method includes the temporary blockade of the canaliculus of a patient without resorting to a surgical stitch, observing the response of the patient's eye to the temporary blockade and, if an improvement is observed, placing an implant within the horizontal portion of at least one of the canaliculi of the patient's eye. The temporary blockade may be produced by the placement of a piece of catgut in the canaliculus. The implant is constructed of a material that is nonabsorbable by the human body and is constructed to facilitate placement into and removal from the canaliculus.

REFERENCES:
patent: 3949750 (1976-04-01), Freeman
patent: 4461295 (1984-07-01), Herrick
Jerre M. Freeman, M.D., "The Punctum Plug: Evaluation of a New Treatment for the Dry Eye", Transcripts of the American Academy of Opthalomology and Optometry, vol. 79, Nov.-Dec. 1975, pp. OP-874 through OP-879.
Wallace S. Foulds, "Intra-Canalicular Gelatin Implants in the Treatment of Kerato-Conjunctivitis Sicca", British Journal Ophthalmology (1961), 45, pp. 625-627.
Louis A. Wilson, M.D., "External Diseases of the Eye", Harper & Row, 1979, p. 150.
Symposium on Medical and Surgical Diseases of the Cornea, Transactions of the New Orleans Academy of Opthalmology, C. V. Moshby Co., publisher, 1980, p. 43, "Diagnosis and Treatment of Keratoconjunctivitis Sicca".
James T. Patten, M.D., "Punctal Occlusion with N-Butyl Cyanocrylate Tissue Adhesive", Opthalmic Surgery, Summer 1976, vol. 7, No. 1, pp. 24-26.

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