Argon Plasma Coagulation: Contactless Hemostasis Explained | DS.Med
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Argon Plasma Coagulation: Contactless Hemostasis Explained

Electrosurgery · DS.Med editorial

Argon plasma coagulation (APC) delivers high-frequency energy to tissue through a stream of ionized argon gas. The electrode never touches the surface: the plasma arc finds the path of least resistance and coats the bleeding area with an even coagulation film.

Why contactless matters

  • No sticking: the electrode cannot adhere to coagulated tissue and re-open the wound
  • Even depth: the arc automatically moves to non-coagulated spots, layering hemostasis uniformly
  • Minimal smoke and no carbonization — a clear view during endoscopy
  • Controlled penetration of 2–3 mm protects underlying structures

Clinical territory

APC shines on parenchymal (liver, spleen) bleeding, in bronchoscopy and GI endoscopy, on large oozing surfaces in oncology. In the DS.Surg family argon coagulation is provided by the DS.Surg Argon attachment working with the 400 and Prime series generators.

Frequently asked questions

Does APC require a special generator?
It requires an ESU with argon support: DS.Surg Argon pairs with DS.Surg 400, Prime and Prime Pro.
How deep does argon coagulation penetrate?
Typically 2–3 mm — enough for hemostasis while protecting deeper structures, which is why APC is favored in endoscopy.
What gas consumption should we plan for?
Flow is set per procedure in liters per minute from the unit; a standard argon cylinder covers many procedures.
Related equipment: DS.Surg Argon DS.Surg ESU line

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