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The NeoMatrix HALO™ Breast Cancer Test is the only fully automated,
noninvasive NAF collection system designed for use in the primary
care office. Its three main components include:
- HALO Console
- Patient Interface Cassette with fluid reservoir and adjustable breast cups
- Disposable Sample Collection Cups
Click to view system and components.
The HALO™ Breast Cancer Test incorporates a simple 5-step cycle.
The HALO Breast Cancer Test allows a physician's office staff to perform
noninvasive NAF collection in about five minutes. The system
incorporates heat, suction and compression in a single, fully automated cycle.
With the HALO™ Breast Cancer Test, adjustable cups are fitted to the woman's
breasts. The test cycle is then started and the system automatically warms
the breasts, gently massages them, and applies light suction to bring nipple
aspirate fluid to the surface of the nipple. The nipple aspirate fluid is then
collected, placed into a standard liquid cytology vial, and sent to a
cytology laboratory for analysis. The entire procedure
is well-tolerated by patients, with no anesthetic required.
Step 1: Inserting Disposable Sample Collection Cups
New Disposable Sample Collection Cups are inserted into the Adjustable Breast Cups
for each patient.
Step 2: Preparing the Breasts
An alcohol swab is used to cleanse the nipples and soften the small keratin
plugs located at the opening of the milk ducts.
The Adjustable Breast Cups are adjusted to fit the patient's breast size
and are placed on the breasts.
Step 3: Suction and Heating and Compression Cycles
The HALO console initiates gentle suction (similar to
that of a breast pump) on both breasts. Simultaneously with suction, warmth is
applied and then a massage is initiated.
Step 4: Fluid Samples Obtained
Once the cycle is completed, Breast Cups are removed from the patient and any
NAF sample is collected with a swab (included), placed into a liquid cytology
vial, and sent to a cytology lab for examination.
*NOTE: Not all women will produce a NAF sample. Lack of NAF in the ducts has
clinical significance, as absence of fluid production indicates reduced
relative risk for breast disease. (Wrensch et al, JNCI, 2001)
Step 5: Removal and Disposal of Disposable Sample Collection Cups
Disposable Sample Collection Cups are removed and disposed of at the
end of each HALO™ Breast Cancer Test.
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