SUB-RETINAL TANGENTIAL NEEDLE CATHETER GUIDE AND INTRODUCER

摘要

An apparatus includes a body, a needle, a catheter, and an actuator assembly. The needle extends distally from the body. The needle has an inner wall defining a needle lumen. The needle lumen is in fluid communication with a fluid port of the body. The catheter is slidably disposed in the needle lumen. The catheter has a catheter lumen. The first actuator assembly is configured to translate the catheter within and relative to the needle. The apparatus may also include an actuator assembly that is configured to rotate the needle relative to the body. The apparatus may be used to first deliver a leading bleb of fluid to the subretinal space in a patient's eye via the needle. The apparatus may then be used to deliver a therapeutic agent to the subretinal space in the patient's eye via the catheter.

主权项

1. An apparatus comprising:
(a) a body, wherein the body comprises:
(i) a body distal end,(ii) a body proximal end, and(iii) a fluid port; (b) a needle, wherein the needle projects distally from the body distal end, wherein the needle comprises:
(i) a needle distal end,(ii) a needle proximal end, and(iii) an inner wall defining a needle lumen, wherein the needle lumen is in fluid communication with the fluid port; (c) a catheter, slidably disposed in the needle lumen, wherein the catheter comprises:
(i) a catheter distal end,(ii) a catheter proximal end, and(iii) a catheter lumen; and (d) a first actuator assembly, wherein the first actuator assembly is configured to translate the catheter within and relative to the needle.