English to French Medical Textiles / Clothing / Fashion Medical treatment

Treatment and course:
On 04-07-18 the spindle shaped re-excision around the scar on the right shoulder dorsal was carried out with a safety margin of 2 cm (defect size approx. 90 x 40 mm, gaping to a width of 60 mm) under total intravenous anaesthetic and local anaesthetic. The wound was left open. Installation of a vacuum pump (black sponge, interval 140 / 60 mmHg)
Histologically no residue of the melanoma was found in the material available.

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Installation of a vacuum pump (black sponge, interval 140 / 60 mmHg)

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Vacuum pump is normally translated as "pompe à vide", but in this very specific context, and with black sponge...
I'd rather be safe than sorry! Thanks.