Sub-retinal tangential needle catheter guide and introducer
First Claim
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, wherein the catheter is 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, wherein the first actuator assembly includes a translatable member slidably disposed within an interior portion of the body, wherein the translatable member is configured to slidably translate along a longitudinal axis of the body between proximal and distal positions, wherein the translatable member is rotationally fixed relative to the body,wherein the catheter extends proximally through the translatable member and a proximal end surface of the body, wherein the catheter is coupled to the translatable member and is configured to translate with the translatable member relative to the body and the needle in response to operation of the first actuator assembly.
11 Assignments
0 Petitions
Accused Products
Abstract
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.
-
Citations
19 Claims
-
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, wherein the catheter is 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, wherein the first actuator assembly includes a translatable member slidably disposed within an interior portion of the body, wherein the translatable member is configured to slidably translate along a longitudinal axis of the body between proximal and distal positions, wherein the translatable member is rotationally fixed relative to the body, wherein the catheter extends proximally through the translatable member and a proximal end surface of the body, wherein the catheter is coupled to the translatable member and is configured to translate with the translatable member relative to the body and the needle in response to operation of the first actuator assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. An apparatus comprising:
-
(a) a body, wherein the body comprises; (i) a body distal end, and (ii) a body proximal end; (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) a needle lumen; (c) a catheter, wherein the catheter is 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; (d) an actuator assembly, wherein the actuator assembly includes a movable member arranged within and rotationally fixed relative to the body, wherein the movable member is coupled to the catheter, wherein the actuator assembly is configured to actuate the movable member to thereby translate the catheter within and relative to the needle; and (e) a fluid port coupled to the body and arranged between the body distal end and the movable member, wherein the body defines a fluid chamber in fluid communication with the fluid port and the needle lumen, wherein the fluid chamber is configured to direct fluid from the fluid port to the needle lumen, wherein the catheter extends through the fluid chamber. - View Dependent Claims (19)
-
Specification