JPWO2021168364A5 - - Google Patents

Claims (10)

An intraocular shunt inserter (100) for treating glaucoma, comprising:
having a housing (102, 104);
a needle assembly (120) disposed at least partially within said housing (102, 104), said needle assembly (120) including a needle (121) and a proximal end portion of said needle (121); a needle drive (122) coupled to (137);
a plunger assembly (130) disposed at least partially within said housing (102, 104), said plunger assembly (130) including a plunger (131) and a proximal end portion of said plunger (131); (137), the plunger (131) being at least partially within the lumen of the needle (121), the plunger (131) driving the shunt to the needle. configured to advance into the lumen of (121);
of the length of the needle drive (122) or the length of the plunger drive (132) to enable the clinician to adapt the inserter (100) to a given surgical procedure. an actuation mechanism rotatable to change at least one of the inserters. The inserter (100) of claim 1, wherein the plunger drive (132) moves in a direction opposite to the needle drive (122) upon movement of the actuation mechanism. The inserter (100) of claim 1 or 2, wherein upon movement of the actuation mechanism, the plunger drive (132) extends and the needle drive (122) retracts. The actuation mechanism includes an oblong cam that moves within the body of the needle drive (122) about an axis oriented perpendicular to the longitudinal axis of the inserter (100). The inserter (100) according to any one of the preceding claims, wherein the inserter (100) is rotatable at . The actuation mechanism includes an oblong cam that moves within the body of the plunger drive (132) about an axis oriented perpendicular to the longitudinal axis of the inserter (100). The inserter (100) according to any one of the preceding claims, wherein the inserter (100) is rotatable at . The actuation mechanism includes an oblong cam having a major axis and a minor axis, and the length of the needle drive (122) and the length of the plunger drive (132) are such that the length of the needle drive (122) and the plunger drive (132) rotate the oblong cam. An inserter (100) according to any preceding claim, wherein the inserter (100) varies by aligning the longitudinal axis with the longitudinal axis of the inserter (100). Any one of claims 1 to 6, further comprising a removable key (150), said removable key (150) releasably engaging said actuating member for moving said actuating member. The inserter (100) described in . The needle drive device (122) is coupled to (i) the proximal end portion (137) of the plunger (131), or (ii) the distal end portion (138) of the plunger (131). When coupled to the proximal end portion (137) of the needle (121), a first An inserter (100) according to any preceding claim, extending from one length to a second length. The inserter (100) of claim 7, wherein the removable key (150) releasably engages the actuation member to move the actuation member. Claims 1-9, wherein the needle (121) or the plunger (131) is longitudinally movable relative to the distal part of the housing (102, 104) from a first position to a second position. The inserter (100) according to any one of these.