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A Single-Port Robotic Platform for Laparoscopic Surgery with a Large Central Channel for Additional Instrument.

K L Yung¹, J L K Cheung², S W Chung¹

¹Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong.

Annals of Biomedical Engineering

|June 7, 2017

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A novel single-port robotic surgical platform enables multiple instruments via one cannula, facilitating complex minimally invasive procedures. This advancement enhances surgical capabilities for non-invasive interventions.

Area of Science:

Robotics
Minimally Invasive Surgery
Surgical Technology

Background:

Current surgical platforms face limitations in instrument deployment for single-incision procedures.
Natural orifice transluminal endoscopic surgery (NOTES) and single-incision laparoscopic surgery (SILS) require innovative solutions for instrument access.

Purpose of the Study:

To introduce a new surgical robotic platform designed for single-incision laparoscopic or NOTES procedures.
To demonstrate the feasibility of inserting multiple instruments through a single cannula with a clear central channel.

Main Methods:

Development of a robotic platform with internally-motorized arms (7 degrees of freedom) and a swivel system (3 degrees of freedom).
Evaluation of instrument insertion and retrieval sequences using phantom and animal models.

Keywords:

Anchoring Cannula Laparoscopic surgery Minimally invasive surgery

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Design allows for up to four instruments and a 15 mm central channel for additional laparoscopic tools.

Main Results:

The platform successfully accommodated up to four instruments and a camera through a single cannula.
A 15 mm central channel remained clear for auxiliary instruments, aiding complex procedures.
The system, with a total of 10 degrees of freedom, demonstrated effective access to abdominal quadrants in trials.

Conclusions:

This single-port robotic platform represents a significant advancement in minimally invasive surgical technology.
The design facilitates complex surgical maneuvers and paves the way for future non-invasive surgical developments.