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All-in-One Solution for Subdural Hematoma Drainage

The Phasor EVAC™ Kit has a fully disposable electric cranial drill system designed for safe, efficient evacuation of chronic subdural hematoma (cSDH) and other similar fluid collections. Each sterile kit includes what's needed for minimally invasive, bedside cSDH evacuation: a disposable electric cranial drill with adjustable sturdy stopper, an entire prep/instrument/dressing kit, bolt, reservoir bulb with tubing. Special features such as MR conditional status (able to tolerate typical strength MRIs), and a side port for aspiration, provide advantages over any existing devices, and significant cost savings over these and a trip to the operating room which can be potentially avoided (with the associated costs and risk of general anesthesia to the patient).

Engineered for Safety and Simplicity

The Phasor EVAC™ system incorporates Phasor’s anti-plunge safety technology, helping prevent accidental over-penetration during hole creation. This ensures precise cranial entry and eliminates by minimizing skiving or wobbling while drilling, allowing performance of the desired procedure with optimal results.

Key features:

  • Complete, disposable electric cranial drill and evacuation system;
  • Integrated power drill with adjustable drill stop extension (for variable skull thickness);
  • Bolt with side port for aspiration;
  • Flexible tubing and closed reservoir for passive or suction drainage
  • Anti-plunge protection tested to withstand 50lb of downward force
  • Single sterile tray for rapid bedside or even O.R. (under minimal or no anesthesia) deployment
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Surgeon Feedback

Read More Reviews

Phasor is elegant and efficient

Like all the best tools, Phasor is elegant and efficient.

—Chair, Academic Neurosurgeon

It's about time

Awesome...it's about time someone created this, long overdue...

—numerous Neurosurgery residents nationwide

Lightweight and powerful

Feels great in my hand...lightweight and powerful.

—Neurosurgeon, Southern California

It's a no-brainer

At this low a price, it's a no-brainer.

—Chief of Neurosurgery, County Hospital

It's a great product

I simply like it because it's a great product.

—Private Practice Neurosurgeon, Florida

Feels nice and stable

The 5-IN-1 Drill is phenomenal, feels nice and stable.

—Lead P.A., 25+ years at major New York hospital

Very much needed

I wish I had invented this...very much needed.

—Section Chief, Rochester, Minnesota

It's great

It's great, but why did you ever introduce another program to this before ours?

—Chief Resident, major Miami hospital

Clinical Applications

The Phasor EVAC™ system supports:

  • Chronic or subacute subdural evacuation of hematoma or fluid;
  • A closed-system drainage with a side-port for aspiration (vs. puncturing an intact system with a needle);
  • MR-conditional use (allowing most MRI scans to be done safely under typical conditions). (* Note: the Bolt is MR-conditional, the drill and kit items are MR-unsafe and should not be utilized in an MR environment)

Each use case benefits from Phasor’s stable, battery-operated cranial drill design, engineered for clinical confidence and reliability.

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