Evaluation of the Short and Long Term Performance and Clinical Outcomes of the Crux Vena Cava Filter System

The Crux VCF Registry is a non-randomized clinical study, sponsored by Volcano Corporation,
to evaluate the short and long term performance and clinical outcomes of the Crux VCF
System. The registry includes consecutive patients treated with the Crux VCF in a
post-market (commercial) setting with data collection at the implant procedure through 2
years post implant or to filter retrieval, whichever comes first. Patients may also be
enrolled (roll-in) from a previous Crux VCF implant within the previous 6 months. Follow up
assessment will be performed at 6, 12 and 24 months post-implant and at the time of
retrieval, if performed.

Inclusion Criteria:

1. The patient is >18 years of age.

2. Patient or their legally authorized representative understands the research nature of
the study and is willing and capable of providing informed consent.

3. Scheduled for and receives a Crux VCF implant or;

4. Have previously had a Crux VCF implanted within the previous 6 months.

Exclusion Criteria:

1. Patient is scheduled for filter implant, but did not have a Crux VCF filter implanted
due to anatomical exclusions or technical failures.

2. Patients unwilling or unable to comply with the protocol and provide informed
consent.

3. Female patient of childbearing potential who is pregnant (she must have negative
pregnancy test within the 48 hours prior to implantation and any retrieval procedure)

4. Patient is participating in another device or drug clinical trial that interferes
with this protocol follow up schedule.