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Endonasal endoscopic transsphenoidal approach robot prototype: A cadaveric trial.

Sorayouth Chumnanvej¹, Branesh M Pillai², Suwiphat Chalongwongse²

¹Neurosurgery Division, Department of Surgery, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.

Asian Journal of Surgery

|September 21, 2020

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A novel robot prototype assists neurosurgeons in Endonasal Endoscopic Transsphenoidal Surgery (EETS), enhancing precision and reducing procedure time. This robot-assisted approach proved effective in cadaver studies, demonstrating feasibility for minimally invasive pituitary tumor removal.

Area of Science:

Neurosurgery
Robotics in Medicine
Minimally Invasive Surgery

Background:

Endonasal Endoscopic Transsphenoidal Surgery (EETS) is a minimally invasive technique for pituitary tumors and sellar lesions.
While beneficial, EETS requires high precision, as tool deviation can lead to severe patient harm.
Existing EETS procedures carry risks due to the critical nature of the surgical site.

Purpose of the Study:

To design and develop a prototype robot for neurosurgical robot-assisted Endonasal Endoscopic Transsphenoidal Surgery (EETS).
To demonstrate the feasibility and effectiveness of a robot-assisted approach in EET surgery.

Main Methods:

A prototype robot was developed and integrated with a multi-information surgical technique, including QR code tracking.
The robot's effectiveness was evaluated in six cadaver studies.

Keywords:

Endonasal endoscopic transsphenoidal surgery (EETS)Pituitary tumors Robot-assisted EET approach

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The neurosurgeon controlled and operated the robot throughout the surgical procedure.

Main Results:

The robot successfully executed the initial stages of Endonasal Endoscopic Transsphenoidal Surgery (EETS) under neurosurgeon supervision.
The neurosurgeon was able to reach the sellar region using the robot-assisted approach.
A significant reduction in overall surgical time was observed compared to traditional EETS methods.

Conclusions:

The developed robot prototype is technically feasible for assisting in Endonasal Endoscopic Transsphenoidal Surgery (EETS).
The robot effectively aided the neurosurgeon in accurately approaching the sinus.
Robot-assisted EETS shows promise for improving precision and efficiency in pituitary tumor surgery.