Effectiveness of Ambu® aScope™ 4 Cysto With the aView™ 2 Advance for Flexible Cystoscopy
Effectiveness of Ambu® aScope™ 4 Cysto With the aView™ 2 Advance for Flexible Cystoscopy
The purpose of this study is to evaluate the use of the single-use Ambu® aScope™ 4 Cysto for
 removal of ureteral stents as compared to routine flexible reusable cystoscopes.
This study is a prospective, randomized, multi-center, post-market investigation of the
 effectiveness of Ambu® aScope™ 4 Cysto (single-use cystoscope) as compared to routine
 flexible reusable cystoscopes (standard of care) for ureteral stent removals. The
 investigation will include approximately 102 subjects (randomized at a 1:1 ratio).
Inclusion Criteria:

 1. Adult (male or female), ≥18 years old

 2. Patient undergoing routine flexible cystoscopy

 3. Patient with a ureteral stent in the urinary system that is ready to be removed.

 4. No active urinary tract infection

 5. Subject is willing and able to sign informed consent and HIPAA authorization and
 comply with requirements of the protocol.

 Exclusion Criteria:

 1. History of prior bladder/urethral reconstructive surgery.

 2. History of high-grade bladder cancer or carcinoma in-situ of the bladder, undergoing
 cystoscopy for follow-up/surveillance purposes.

 3. Known unpassable urethral stricture

 4. Febrile patient with active urinary tract infection (UTI)

 5. Subjects with acute infection (acute urethritis, acute prostatitis, acute
 epididymitis)

 6. Subject with severe coagulopathy

 7. Patient is unable to read and/or understand study requirements

 8. Patient is unable or unwilling to provide written consent to participate in the study.

 9. Subject, in the opinion of the Investigator, has a severe comorbidity, poor general
 physical/mental health and/or a condition that will not