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Instrument · Cutting & Dissecting

Hoen Dural Separator

Slim instrument with a round handle and a small, flat, round-ended blade set at an angle to the shaft.

1 photo

On 3 setups
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Class
Cutting & Dissecting
Kept on
Pro1 tray
On setups
3

On the table

What it does, the lengths it comes in and what experienced techs know about it.

  • What it’s for

    Separates the duraDOOR-uhThe tough outer layer of the membranes that cover the brain and spinal cord.Full entry from the inside of the skull, for example around a burr hole before the bone flap is cut and lifted.

  • Lengths and variants

    About 6-6 1/4 in (152-156 mm). Blade angled 45 or 90 degrees, about 3-3.6 mm wide and 10-13 mm long (Jarit, Symmetry).

  • What experienced techs know

    What techs who reach for it every day know about it.Pro

Through the case

In the order you meet it: before, during and after the case.

  • Before the case

    Inspection and testing

    What to check before it reaches the field.Pro

  • During the case

    Passing it

    How to pass it so it lands in the surgeon’s hand the right way round.Pro

These notes are Pro, on every instrument. See Pro

Exam prep for this instrument

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FlashcardsThis one, back right before you would forget itPro
A practice test of cuttingEvery cutting instrument, the reason after eachPro
The 3 setups it is onA practice test and a timed exam for eachPro

Where it’s kept

On 1 tray.

Kept on 1 tray

Which trays it is kept on, and what is kept with it.

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On 3 setups

Every setup it is laid out on.

The list of setups

Every setup this instrument is laid out on, with photos of each table.

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6 sources
  1. Integra. Jarit Surgical Instruments Catalog. pdf p. 320
  2. Symmetry Surgical. Neuro catalog. pdf p. 124
  3. Goldman MA. Pocket Guide to the Operating Room. 3rd ed. Chapter 38 (Neurosurgical Procedures Instrument Trays), p. 1139
  4. Nemitz R. Surgical Instrumentation: An Interactive Approach. 3rd ed. Chapter 13 (Neurosurgical instruments), p. 507
  5. Aesculap. US Surgical Instrument Catalog. p. IX
  6. Nemitz R. Surgical Instrumentation: An Interactive Approach. 3rd ed. Chapter 1 (Introduction to surgical instruments), p. 14-15

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