Tack Optimized Balloon Angioplasty Study of the Tack Endovascular System™ in Femoropoliteal Arteries

Inclusion Criteria:

- Subject must meet all of the following inclusion criteria to be eligible for
enrollment:

1. Male or non-pregnant Female ≥ 18 years of age at the time of consent

2. Female subjects of childbearing potential must have a negative pregnancy test
prior to treatment and must use some form of contraception through the duration
of the study (abstinence is acceptable)

3. Target limb requires no additional treatment aside from the target lesion and the
iliac artery(ies) during the index procedure

4. Subject or has been informed of and understands the nature of the study and
provides signed informed consent to participate in the study. If the subject
possesses the ability to understand and provide informed consent but due to
physical inability, the subject cannot sign the ICF, an impartial witness may
sign on behalf of the subject

5. Willing to comply with all required follow-up visits

6. Rutherford Classification 2, 3 or 4

7. Estimated life expectancy >1 year

8. Eligible for standard surgical repair, if necessary

9. Subject is ambulatory (assistive devices such as a cane or walker is acceptable)

Exclusion Criteria:

- Subject must NOT meet any of the following exclusion criteria to be eligible for
enrollment:

1. Rutherford Classification 0, 1, 5 or 6

2. Is pregnant or refuses to use contraception through the duration of the study

3. Previous infrainguinal bypass graft in the target limb

4. Planned amputation on the target limb

5. Systemic infection or Infection within the target limb and/or immunocompromised

6. Endovascular or surgical procedure (not including diagnostic procedures) on the
target limb within 30 days prior to or within 30 days after the index procedure

7. Endovascular or surgical procedure (not including diagnostic procedures) on the
non-target limb within 14 days prior to the index procedure or planned procedure
within 30 days after the index procedure

8. Prior coronary artery bypass graft (CABG) or percutaneous coronary intervention
(PCI) procedure within 30 days prior to the index procedure or planned CABG/PCI
within 30 days after the index procedure

9. Any other previous or planned surgical or endovascular procedure (not including
diagnostic procedures) within 14 days prior to or 30 days post index procedure

10. Planned atherectomy, cryoplasty, stenting or any other treatment (with the
exception of a crossing device) of the target lesion other than PTA during the
index procedure

11. Known coagulopathy, hypercoagulable state, bleeding diathesis, other blood
disorder, or a platelet count less than 80,000/microliter or greater than
500,000/microliter

12. Known hypersensitivity or allergy to antiplatelet or anticoagulant therapy

13. Myocardial infarction within 30 days prior to enrollment

14. History of stroke within 90 days prior to enrollment

15. Serum creatinine of >2.5 mg/dL

16. Requires treatment of tibial or outflow vessels at the index procedure, which
include the P2 and P3 segments of the popliteal artery and the tibioperoneal
vessels

17. Known hypersensitivity or contraindication to nickel-titanium alloy (Nitinol)

18. Participating in another ongoing investigational clinical trial that has not
completed its primary endpoint

19. Has other comorbidities that, in the opinion of the investigator, would preclude
them from receiving this treatment and/or participating in study-required
follow-up assessments

20. Known hypersensitivity or allergy to contrast agents that cannot be medically
managed

21. Thrombolysis of the target vessel within 72 hours prior to the index procedure,
where complete resolution of the thrombus was not achieved