Intraretinal delivery and withdrawal instruments

Details Intraretinal delivery and withdrawal instruments Intraretinal delivery and withdrawal instruments

1993-12-21

1995-04-25

Hindenburg, Max

Surgery

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

Treating material introduced into or removed from body...

604117, A61M 3100

Patent

active

054094577

ABSTRACT:
An intraretinal delivery and withdrawal instrument which has (a) a curved, distal frame for insertion into an orbit, which insertion is effected (i) inferior to the supraorbital ridge, (ii) superior to the eye, and (iii) in a caudal direction so as to reach the retina; (b) a tip for penetration into the subretinal region of the eye connected to the frame; and (c) an adjustable collar connected to the tip which collar is capable of being positioned so that the collar regulates the depth of tip penetration into the subretinal region including methods for uses thereof.

REFERENCES:
patent: 1125887 (1915-01-01), Schimel
patent: 2923295 (1960-02-01), Guerriero
patent: 3636940 (1972-01-01), Gravlee
patent: 3735751 (1973-05-01), Katz
patent: 3957035 (1976-05-01), Chassaing
patent: 3982541 (1976-09-01), L'Esperance
patent: 4692142 (1987-09-01), Dignam et al.
patent: 4744360 (1988-05-01), Bath
patent: 4759746 (1988-07-01), Straus

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