The performance of the ColonRing™ will be comparable to or better than the reported performance of staplers.

The proposed study is a post marketing study intended to gather and record additional data to further evaluate the performance of the ColonRing™ device in regards to the creation of a colorectal anastomosis.

The study objective is to evaluate the performance of the ColonRing™ in the creation of a circular anastomosis in colorectal procedures.

Inclusion Criteria:

1. Subject is ≥ 18 years old.
2. BMI < 34.
3. Subject is planned to undergo a non-emergency (i.e., elective) operation with the creation of an anastomosis using the ColonRing™.
4. Subject signs and dates a written informed consent form (ICF) and indicates an understanding of the study procedures.

Exclusion Criteria:

1. Subject has a known allergy to nickel.
2. Subject is planned to undergo an emergency procedure or has a diagnosis of bowel strangulation, peritonitis, bowel perforation, local or systemic infection, ischemic bowel,carcinomatosis.
3. Subject has participated in another clinical study which may affect this study's outcomes within the last 30 days.
4. Subject's ASA (American Society of Anesthesiology) score 4 or 5.
5. Subject has a concurrent or previous invasive pelvic malignancy.
6. Subject has a systemic or incapacitating disease.
7. Subject has extensive local disease in the pelvis.
8. Subject requires more than one anastomosis during the surgery.
9. Women who are known to be pregnant.

14.1 Review. Institution may publish the results of the Study, based on information collected or generated by Institution and Principal Investigator within the framework thereof, subject to the provisions of this section. In any event, however, no publication, presentation in any forum or any other form of disclosure with respect to the Study or the results thereof will be made prior to the publication of the Joint Publication without Sponsor's prior written consent.