Patent ID: 9504785
Filing Date: 2016-11-29
CPC Classification: A61B,A61M

Claim Text:
1. An infusion device implantable in a patient's body, the infusion device comprising: a body implantable in the patient's body and having an outer wall, an infusion needle disposed within the body of the infusion device and having a tip end, and a drive unit coupled to the infusion needle which advances and retracts the tip end of the infusion needle to penetrate any fibrosis surrounding the infusion device, when the infusion device is implanted in the patient's body, said infusion needle and drive unit being implantable in the patient's body, the drive unit being operable when implanted in the patient's body, wherein the infusion needle is disposed within the body of the infusion device with the tip end of the infusion needle being arranged for penetrating a penetration area in the outer wall, the penetration area of the outer wall being made from a material which is self-sealing in respect of penetrations caused by the infusion needle, and wherein the drive unit further comprises an apparatus coupled to the infusion needle that laterally moves the tip end of the infusion needle within the body of the infusion device for variation of the injection site in the penetration area of the outer wall.