Study of BD Pre-filled Flush Syringes in China

Inclusion Criteria:

1. Age >or equal to 18, no limitation on gender; 2. Hospitalized patients; 3.Patients who are anticipated to need or have in situ vascular access catheterdevices (This may include: Peripheral Intravenous Catheter (PIVC), CentralVenous Catheter (such as peripherally inserted central catheter (PICC)); 4.Patients who are expected to require flushing the vascular access catheter withsaline at the beginning, during, or end of infusion therapy, or who require toflush and/or lock vascular access catheters at the beginning, during, the endof drug therapy; 5. Patients who can understand the purpose of the trial, agreeto participate in this clinical trial and voluntarily sign the informed consentform.

Exclusion Criteria:

1. Patient reports pregnancy or lactation (self-report); 2. Subjects who are knownto have blockage or recanalization of vascular access prior to this trial.

2. Subjects who are known to have uncomfortable symptoms such as redness and pain,or common complication associated with indwelling catheter such as phlebitisand infection at the localized insertion site prior to this trial.

3. Patient participating in another drug or medical device clinical trial at thetime of consent or has participated in a drug or medical device clinical trialwithin three months before enrollment; 5. Any other situation that, in theoption of the Investigator would make the patient considered unfit for thisstudy.