Baumbach, William R.,Sherman, Darren R.,Burgermeister, Robert
申请号:
AU2016202636
公开号:
AU2016202636B2
申请日:
2016.04.26
申请国别(地区):
AU
年份:
2017
代理人:
摘要:
#$%^&*AU2016202636B220170608.pdf#####BALLOON CATHETER SYSTEMS FOR DELIVERY OF DRY DRUG DELIVERY VESICLES TO A VESSEL IN THE BODY ABSTRACT A method of treating a lesion in a blood vessel of a patient comprising the steps of: providing balloon catheter system comprising: a catheter body (22) characterized by a distal portion and a proximal portion; a first balloon (18) disposed on the distal portion of the catheter body (22), said first balloon (18) having a porous wall portion, said porous wall portion having pores with a diameter of about 0.1 to 5 microns; providing a reservoir (24) of lyophilized micelles with rapamycin encapsulated in the micelles; providing a reservoir of aqueous solution suitable for mobilizing the micelles within the micelle reservoir (24); mixing the aqueous solution with the micelles to wet and mobilize the micelles, such that the micelles have a particle size of 40 to 250 nm (.04 to .250 micron); and delivering the micelles to the lesion, through the wall of balloon (18), by injection the micelles into the balloon (18) and pressurizing the balloon (18) to a pressure of 6 to 12 atmospheres to force the micelles through the porous wall portion of the balloon (18) into the blood vessel.