Vitrectomy System
Vitrectomy console · Vitrectomy machine · Vitrector unit · Vitreoretinal system · Posterior segment system · Alcon Constellation · Bausch + Lomb Stellaris Elite · Dorc Eva
A rolling console with a touch screen, plugs for the cutter, light pipe, laser and diathermy cords, a slot for the disposable cassette, an IV pole for the infusion bottle, and a foot pedal for the surgeon.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Runs a pars plana vitrectomy. One machine works the vitreous cutter (it pulls gel into a small port and shears it off), the suction, which the surgeon controls with the foot pedal, the BSS infusion that keeps the eye formed, and the light for the fiber-optic light pipe (endoilluminator). Many units also exchange the fluid in the eye for air, drive picks, forcepsFOR-sepsA hand instrument with two blades or arms used to grasp, hold or pull tissue or objects.Full entry and scissors with compressed air, and run diathermy. Set up and tested before the patient comes in and used from the first port to the end of the case.
Lengths and variants
Several makers (for example Alcon Constellation, Bausch + Lomb Stellaris Elite, DORC). Each uses its own cassette and tubing packs, sold by gauge (20, 23, 25 or 27). Eye pressure is set by raising or lowering the infusion bottle or by a pressurized (gas-forced) infusion with a digital readout.
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
Caution
What not to do with it, and why.Pro
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On 1 setup
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Every setup this instrument is laid out on, with photos of each table.
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3 sources
- Goldman. Pocket Guide to the Operating Room. 3rd ed. Chapter 28 (Ophthalmic Surgery), p. 930-933
- Rothrock. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 18 (Ophthalmic Surgery), p. 595-596
- AST. Surgical Technology for the Surgical Technologist. 4th ed. Chapter 16 (Ophthalmic Surgery), Procedure 16-10 (Vitrectomy), p. 624-625
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