Delivery system insertable through body lumen
A system for delivering a device into a body lumen of a patient, the system including a device having a marker band and a tube at a proximal portion, and a pusher member having a ribbon and a ball or hook at a distal portion of the delivery member and a compression coil positioned over the ribbon, the ball or hook releasably engageable with the tube.
1. A system for delivering a device into a body lumen of a patient, the system comprising:
a device having a tube at a proximal portion;
a locking member including an elongated member and a device engaging member at a distal portion of the elongated member, a compression coil positioned over the elongated member to apply a distally directed force on the device, and the engaging member releasably engageable with the tube of the device; and
a marker band, wherein the marker band is positioned on the tube and between the compression coil and the locking member.
2. The system of claim 1 , further comprising a delivery catheter, the hood positioned within the delivery catheter.
3. The system of claim 1 , wherein the engaging member is in the form of a ball.
4. The system of claim 1 , wherein the engaging member is the form of a hook bent transversely with respect to a longitudinal axis of the elongated member.
5. The system of claim 1 , wherein the tube has an opening formed therein, the engaging member releasably engageable with the opening.
6. The system of claim 1 , further comprising a delivery catheter and a flow diverter positioned within the delivery catheter proximal of the device.
7. The system of claim 1 , wherein the elongated member extends through the compression coil and the marker band.
8. The system of claim 1 , further comprising a pusher member, wherein the elongated member is offset from a central longitudinal axis of the pusher member.
9. The system of claim 1 , further comprising a hood positioned over the engaging member to limit transverse motion of the locking member.
10. A system for delivering a device into a body lumen of a patient, the system comprising:
a device having a tube at a proximal portion;
a locking member having an elongated member and an engaging member at a distal portion of the locking member, a coil positioned over the elongated member to apply a distally directed force on the device, the engaging member releasably engageable with the tube;
a retractable delivery member extending through the coil and through the device to a distal portion of the device; and
a sheath preventing the engaging member from deflecting out an opening in the tube until the engaging member is exposed from the sheath.
11. The system of claim 10 , wherein proximal movement of the delivery member exposes a first lumen of the device along a length of the device from the distal portion to a proximal portion for passage of blood into the device as blood displaces the delivery member as the delivery member is withdrawn proximally within the device from the distal portion of the device.
12. The system of claim 10 , wherein the engaging member is in the form of a ball.
13. The system of claim 10 , wherein the engaging member is the form of a hook.
14. The system of claim 10 , further comprising a marker band positioned over the tube, wherein the tube has an opening formed therein, the engaging member releasably engageable with the opening, and the engaging member is positioned distal of the marker band and the coil.
15. The system of claim 10 , further comprising a marker band, wherein the marker band is positioned between a distal end of the coil and the engaging member.
16. The system of claim 10 , further comprising a marker band on the device, wherein the elongated member extends within a slot in the marker band when the engaging member is engaged with the tube.
17. The system of claim 10 , further comprising a marker band on the device, wherein the elongated member extends external of the marker band.
18. A system for delivering a device into a body lumen of a patient, the system comprising:
a device having a tube, the tube having an opening forming a receiving portion;
a locking member having an elongated member and an engaging member, the engaging member extending transverse to a longitudinal axis of the elongated member of the locking member, the engaging member releasably engageable with the receiving portion of the tube;
a coil positioned over the elongated member; and
a retractable delivery member extending through the coil and through the device, the delivery member retractable to provide a gap for blood flow into a lumen of the device,
wherein a clearance between an outer dimension of the delivery member and an inner dimension of the device is substantially fluid-tight before delivery to a surgical site but sufficient to enable slidable movement of the delivery member with respect to the device.
19. The system of claim 18 , further comprising a marker band, wherein the elongated member sits inside a slot in the marker band.
20. The system of claim 18 , wherein the elongated member extends through the marker band of the device.