Patent ID: 8043325

Claim:
A device for delivering an embolization coil into a microcatheter for deployment of the embolization coil from the microcatheter into a body vessel of a patient, the device comprising: a cannula having a proximal portion extending to a distal portion, the cannula having a first lumen formed through the proximal and distal portions, the proximal portion of the cannula comprising a non-tapered cannula section having a proximal end portion and a distal end portion, the non-tapered cannula section having a second lumen formed through the proximal end portion and the distal end portion, the distal portion of the cannula comprising a metal sheath extending distally from the distal end portion of the non-tapered cannula section, the metal sheath having a tapered distal tip to interface with the microcatheter, the non-tapered cannula section being at least partially formed of a transparent plastic material for viewing into the second lumen to facilitate delivery of the embolization coil into the microcatheter; and an embolization coil disposed in the second lumen of the non-tapered cannula section, wherein the entire embolization coil is disposed in the second lumen of the non-tapered cannula section.