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Defects of camera covers after arthroscopic surgery
C M L Werner1, T Necas, A G Schneeberger
1Department of Orthopaedic Surgery, University of Zurich, Balgrist, Switzerland.
Journal of Shoulder and Elbow Surgery
|March 7, 2006
Summary
Arthroscopic camera covers frequently develop holes and leaks, potentially increasing infection risk. Researchers recommend using more durable covers or sterilized cameras to ensure patient safety during arthroscopic procedures.
Area of Science:
- Orthopedic Surgery
- Medical Device Integrity
- Infection Control
Background:
- Arthroscopic cameras are crucial for minimally invasive orthopedic procedures.
- Current practice often involves using sterile covers for arthroscopic cameras, but their integrity is a concern.
- Observed defects in camera covers raise questions about their effectiveness in preventing infection.
Purpose of the Study:
- To evaluate the integrity of different types of sterile camera covers used during arthroscopic procedures.
- To determine the incidence and nature of defects in arthroscopic camera covers post-surgery.
- To assess the potential link between camera cover defects and surgical site infections.
Main Methods:
- A prospective randomized study involving 90 consecutive shoulder arthroscopies was conducted.
- Six different types of camera covers were tested for integrity after surgical use.
- Post-procedure, covers were filled with water to a 20 cm level to detect leaks, with hole size and junctional integrity assessed.
Main Results:
- A high failure rate was observed, with 74% of all tested camera covers exhibiting 1 to 9 holes.
- 17% of the detected holes were larger than 1 mm, indicating significant breaches.
- 37% of covers showed leaks at the junction with the arthroscope, with tape-sealed covers performing particularly poorly (93% leakage).
Conclusions:
- Arthroscopic camera covers are prone to defects, posing a potential risk factor for surgical site infections.
- The integrity of current camera covers is questionable, necessitating improved solutions.
- Recommendations include the use of mechanically robust camera covers or the adoption of fully sterilized cameras to eliminate cover-related risks.