Treatment of retinal detachment

Details Treatment of retinal detachment Treatment of retinal detachment

2008-01-08

2008-01-08

Williams, Catherine S. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S506000, C604S117000, C604S174000

Reexamination Certificate

active

07316676

ABSTRACT:
An apparatus and minimally invasive method for removing fluid from a subretinal space to allow a detached retina to flatten. An apparatus, comprising a fluid withdrawal device and a guide for advancing and placing the device, is positioned on the exterior eye surface at the detachment site. Various embodiments of the apparatus are disclosed. Using the guide, the surgeon advances the device into the fluid-filled space and drains fluid, allowing the retina to flatten. Additional injection of saline or gas into the vitreous cavity normalizes intraocular pressure, and the patient is ambulatory immediately afterward. Unlike other retinal attachment techniques, in the inventive procedure the patient receives only a local anesthetic, and has no restraint on head movement.

REFERENCES:
patent: 3528410 (1970-09-01), Banko
patent: 5817075 (1998-10-01), Giungo
patent: 2002/0133184 (2002-09-01), LoRusso
patent: 2002/0198511 (2002-12-01), Varner et al.
Peyman et al.,Vitreoretinal Surgical Techniques, 2001, Chapters 1-8, pp. 3-96.

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