Patent attributes
An implantable vascular access port for providing repeated therapy to a patient in need of such therapy, the access port, upon repeated use, presents each time an access needle at a new location so as to minimize scarring injury to the skin of the patient. The vascular access port may include a body, a cover comprising a plurality of openings, at least one needle comprising a tip and a shaft, the shaft defining a lumen, a needle elevator mechanism to operate the position of the at least one needle in at least a retracted position in which the at least one needle is disposed in the body and the needle tip below the cover and an extended position in which the at least one needle is engaged through at least a first one of the openings, and a needle shift mechanism to move the at least one needle from a first position in which the needle can engage the at least a first one of the openings, to a second position in which the needle can engage at least a second one of the openings.
