Disposable infusion device positive pressure filling apparatus and method
An infusion system comprises a disposable wearable infusion device having a body arranged to be adhered to a patient's skin and a reservoir for holding a liquid medicament to be infused into the patient. The infusion system further comprises a filler device arranged to be detachably received by the infusion device and to provide a positive pressure directly to the liquid medicament to transfer a volume of the liquid medicament to the infusion device reservoir.
1. An infusion system comprising:
a disposable wearable infusion device having a body arranged to be adhered to a patient's skin and a reservoir for holding a liquid medicament to be infused into the patient; and
a filler device arranged to be detachably received by the infusion device and to transfer a volume of the liquid medicament to the infusion device reservoir,
wherein the filler device is arranged to receive a vial of the liquid medicament, wherein in the filler device further includes a chamber that receives the liquid medicament from the vial and a pumping member that displaces the liquid medicament from the chamber to the infusion device reservoir,
wherein the pumping member is within the chamber.
2. The system of claim 1 , wherein the filler device is arranged to transfer a set volume of the liquid medicament from the vial to the infusion device reservoir.
3. The system of claim 1 , wherein the pumping member comprises a piston.
4. The system of claim 1 , wherein the filler includes a vent that vents the liquid medicament to atmospheric pressure.