Keyhole surgery for diagnosis and treatment
Knee arthroscopy allows Mr Paul Jermin to see inside your knee and treat what he finds through incisions just a few millimetres across. With over 200 procedures performed each year (and over 2000 in total), it is one of the most common and most versatile operations in his work.

Knee arthroscopy is a minimally invasive technique in which a small camera is inserted into the knee joint through a small incision, allowing diagnosis and treatment without opening the joint fully. Mr Paul Jermin performs over 200 knee arthroscopies each year.
The procedure is used to diagnose and treat a wide range of conditions including:
- Torn or damaged meniscus (meniscectomy or meniscal repair)
- Cartilage damage and loose bodies within the joint
- Inflamed synovial tissue (synovectomy)
- Certain ligament injuries
Because incisions are small, arthroscopy typically carries a faster recovery than open surgery, with many patients returning home the same day. It is performed under general or regional anaesthesia.
- Day case procedure
Is this treatment for you?
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Knee locking or catching during movement
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A sensation of the knee giving way
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Persistent swelling without obvious cause
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Pain along the joint line
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A suspected meniscal tear
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Symptoms unexplained by scans alone
Your Journey
Mr Jermin
130 +
knee replacements per year
200 +
knee arthroscopies per year
30 +
ligament reconstructions per year
25 +
osteotomies per year
25 +
cartilage procedures per year
3
injection treatments offered
15 +
years of specialist knee experience
2
consultant hospital posts
Hospitals
Spire Yale Hospital, Wrexham