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An expansible cannula: a new technique for chest drain insertion
S S Gill1, U U Nkere, R K Walesby
1Department of Neurosurgery, Charing Cross Hospital, London.
Thorax
|August 1, 1992
Summary
A novel chest drain insertion device offers a safer method for pleural space procedures. This technique, tested in a pilot study, resulted in no complications, improving safety for less experienced physicians.
Area of Science:
- Thoracic Surgery
- Medical Device Innovation
- Patient Safety
Background:
- Chest drain insertion is a common procedure across multiple medical specialties.
- Current methods using trocar-guided drains carry risks of organ penetration, particularly when performed by junior doctors.
- There is a need for a simpler, safer, and more effective chest drain insertion technique.
Purpose of the Study:
- To introduce and evaluate a novel, expansible cannula device for chest drain insertion.
- To assess the safety and efficacy of this new device in a pilot study.
- To reduce complications associated with chest drain placement.
Main Methods:
- A new device featuring a 5 cm conical, expansible metal foil cannula was developed.
- An expander tube distends the cannula into a cylindrical shape for catheter passage.
- The device is removed over the catheter, leaving the chest drain in place.
- A pilot study was conducted involving 22 patients.
Main Results:
- The novel device was successfully used for chest drain insertion in 22 patients.
- No complications were reported during or after the insertion procedure in the pilot study.
- The device facilitated the placement of a standard Portex chest catheter.
Conclusions:
- The developed expansible cannula device appears to be a safe and effective method for chest drain insertion.
- This innovative technique has the potential to minimize procedural risks, especially for less experienced clinicians.
- Further studies are warranted to confirm the long-term efficacy and broader applicability of this device.