Clinical Research Directory

Inclusion Criteria: * Age \> 18 years but \< 85 years of age at the time of informed consent * Subjects who have received an upper extremity autologous arteriovenous fistula, which has been cleared for at least 1-needle cannulation * Subjects have a fistula with a history of miscannulation or requires an expert cannulator or have a new fistula that has not previously been cannulated * Subject is able to sign informed consent and able to participate in all testing associated with this clinical investigation Exclusion Criteria: * Age \<18 years old * Subject unable to sign informed consent. * Subject is breastfeeding, pregnant, or plans to become pregnant * Prisoner or Subject from vulnerable populations as defined in 45 CFR 46. * Subjects that do not have a clinically mature upper extremity AV fistula that is cleared for at least 1-needle cannulation * Subjects that do not have a fistula with a history of miscannulation or requires an expert cannulator or do not have a new fistula that has not previously been cannulated * Subjects that are cannulated through a buttonhole technique * Subjects with a history of poor compliance with the dialysis protocol * Subjects who have suffered an access related injury or underwent access related intervention in the last 2 weeks