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Related Experiment Videos

Access with flexible cannulae

S M Shimi1

  • 1Department of Surgery, Ninewells Hospital and Medical School, University of Dundee, Scotland.

Endoscopic Surgery and Allied Technologies
|February 1, 1995
PubMed
Summary
This summary is machine-generated.

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Flexible access cannulae enable efficient use of curved endoscopic instruments in minimally invasive surgery. Their deformable design facilitates dissection and manipulation of delicate structures, improving surgical outcomes.

Area of Science:

  • Minimally Invasive Surgery
  • Surgical Instrumentation
  • Endoscopy

Background:

  • Flexible access cannulae provide a conduit for endoscopic instruments.
  • Their key advantage is the ability to deform, accommodating curved instruments.

Purpose of the Study:

  • To review the design and clinical applications of flexible access cannulae.
  • To highlight their utility with curved instruments in thoracoscopic and laparoscopic procedures.

Main Methods:

  • Review of existing flexible access cannula designs, focusing on coiled springs and woven wire structures.
  • Analysis of clinical applications involving curved instruments like coaxial and bayonet types.

Main Results:

  • Flexible cannulae, particularly coiled spring designs, allow efficient passage of curved instruments.

Related Experiment Videos

  • These cannulae facilitate dissection, retraction, and encirclement of tubular structures.
  • Curved needle holders enhance intra-corporeal knot tying efficiency.

    • Conclusions:

    • Flexible access cannulae are crucial for procedures requiring curved instruments.
    • Their deformable nature offers potential for organ retrieval.
    • Advancements in cannula design and gas seal valves are needed.