"remove the blockage" is correct and usable in written English.
You can use it in a variety of contexts, such as to refer to a problem that is blocking someone from achieving their goals, or in a literal context, such as when referring to physically removing an obstruction. For example: "We need to remove the blockage in the drain before the water will flow freely."
Solve the personal psychological problem and you remove the blockage.
With heart attacks, emergency room doctors need to act quickly to remove the blockage that is causing the problem.
Stents are implanted as part of angioplasty, a standard technique in which a balloon-tipped tube is inserted in an artery in the upper leg and threaded to the affected artery, where it is inflated to remove the blockage.
The procedure, known as coronary stenting, involved pushing a small balloon into the artery and inflating it to remove the blockage, then insert a metal sleeve — the stent — to keep the artery clear.
The coronary stenting procedure involves pushing a balloon into the artery and blowing it up to remove the blockage.
It turns out you are one of the people whose cardiac arrest was caused by a heart attack, and doctors use a balloon-tipped catheter to remove the blockage that is starving your heart of blood.
She said that she signed about 5,000 documents within two weeks of taking office, just to try to remove the blockages that had built up under the previous administration, and to get the drugs procurement process moving again.
Clearing out the negative thoughts about money will remove the blockages that are preventing money from flowing to us.
TCM theorises that acupuncture can strengthen the human body's vital essence, called "Qi", and remove the blockages in channels.
Definitive therapy is aimed at removing the blockage by breaking the clot (thrombolysis) or by removing it mechanically (thrombectomy).
Vet Faye Bethell used anaesthetised water to knock out the goldfish before removing the blockages.
