Lim, Lisa,Hermel-Davidock, Theresa,Weimer, Marc W.,Burkholz, Jonathan Karl
申请号：
AU2020223763
公开号：
AU2020223763A1
申请日:
2020.08.28
申请国别(地区):
AU
年份:
2020
代理人:
摘要：
#$%^&*AU2020223763A120200924.pdf#####ABSTRACT A method of making a medical device including a catheter tubing comprising: producing an elongate body having a section of catheter tubing discrete from the elongate body to form the catheter tubing such that the catheter tubing comprises a first elastic modulus under first conditions prior to entry into a patient, wherein the first elastic modulus is at least 1300 MPa, wherein the producing comprises: providing a base polyurethane； providing a compounded polyurethane comprising a thermoplastic polyurethane and a radiopaque material； and coextruding the base polyurethane and the compounded polyurethane to form the elongate body of the base polyurethane and the section discrete from the elongate body of the compounded thermoplastic polyurethane； wherein when exposed to second conditions comprising two or more in vivo stimuli for a time, the catheter tubing comprises a second elastic modulus that is not more than fifty percent of the first elastic modulus.1/1 100 dl 112 115 122 FIG. 1 10 16 12 14 FIG. 2
