Surgical smoke evacuation: which guidelines apply and what to implement

Why guidelines exist: what surgical smoke is

Surgical smoke, also called plume, is generated whenever energy devices such as electrosurgical pencils, lasers and ultrasonic instruments heat tissue. It contains water vapour, particulate matter, chemical by-products and, in some situations, biological material. The composition depends on the tissue and on the energy used, which is why guidance treats all plume as something to be captured at the source rather than diluted in room air.

General theatre ventilation is designed for temperature, pressure and air-change control, not for capturing plume at the point of generation. A dedicated smoke evacuator with an inlet close to the surgical site is therefore the standard engineering control. For a deeper look at the exposure side, see our overview of surgical smoke hazards.

ISO 16571 smoke evacuation: the equipment standard

ISO 16571 specifies requirements for systems that evacuate plume generated by medical devices. It is a product-oriented document: it deals with how an evacuation system is built and tested, including filtration performance, airflow, noise and labelling, rather than with when a hospital must use it. Ask any supplier to state which edition of the standard their system is assessed against and to provide the supporting documentation.

Alongside it, general medical electrical safety (IEC 60601-1) applies to the evacuator as a powered device, and IEC 60601-2-2 applies to the high-frequency surgical equipment that produces the plume. Read these as complementary: the evacuator standard covers capture and filtration, the electrosurgery standard covers the generator.

AORN surgical smoke guidance and NIOSH recommendations

AORN, the US perioperative nursing association, publishes a guideline on surgical smoke safety that recommends evacuating smoke from all procedures that generate it, using in-line filters on evacuation tubing, and including smoke safety in staff education and competency. NIOSH, the US occupational safety research institute, has published hazard-control guidance describing local exhaust ventilation as the preferred control and the role of respiratory protection as a supplement.

These documents are guidance, not UAE law. In practice many hospitals adopt them as the benchmark for internal policy, especially facilities working towards international accreditation. Always confirm current expectations with your facility licensing authority and quality department.

• Evacuate smoke at the source for every plume-generating procedure
• Replace filters and tubing on a defined schedule, treat used filters as contaminated waste
• Train surgeons, nurses and technicians and document competency
• Use masks and PPE as a supplement, never as a replacement for evacuation

Surgical smoke evacuation guidelines, legislation and the UAE context

Some jurisdictions have introduced surgical smoke legislation that obliges facilities to adopt evacuation policies. In the UAE, medical devices are registered with the relevant federal authority (MOHAP), while the Dubai Health Authority and the Department of Health in Abu Dhabi license facilities and professionals. Check the current requirements of the authority that licenses your facility, since expectations on occupational safety and device registration can change.

Even where there is no explicit smoke mandate, employer duty-of-care and accreditation standards give OR managers a clear reason to put a written smoke policy in place.

Putting a smoke evacuator in the operating room into practice

A workable policy answers four questions: which procedures, which equipment, who is responsible, and how it is checked. Specify the evacuator by flow rate, noise level, filter stages, filter-life indication and compatibility with open and laparoscopic tubing. Two systems from our portfolio show the typical range of features. The BOWA SHE SHA uses a four-stage filter with ULPA-15 and activated carbon, a sensor that starts the unit when smoke appears, three suction levels and a maximum noise level of 55 dBA. The ATMOS MEDAP FUMOVAC 700 delivers 700 l/min, has three inlets for 22, 9.5 and 6.4 mm tubes and an automatic remote switch activator that follows the HF pencil.

Filter management is the most common weak point. Check how remaining filter life is displayed, how filters are identified by the unit and how disposal is handled. Filter selection is covered in detail here.

Getting help with a policy

If you are drafting a smoke policy or comparing evacuators for several theatres, Beckfinity specialists can discuss filter, flow and integration options with your biomedical and infection control teams. Request a consultation through our contact page.