ZEUS robotic surgical system
| Manufacturer | Computer Motion |
|---|---|
| Type | Robotic surgery |
The ZEUS Robotic Surgical System (ZRSS) was a medical robot designed to assist in surgery, originally produced by the American robotics company Computer Motion. Its predecessor, AESOP, was cleared by the Food and Drug Administration in 1994 to assist surgeons in minimally invasive surgery. The ZRSS itself was cleared by the FDA seven years later, in 2001. ZEUS had three robotic arms, which were remotely controlled by the surgeon. The first arm, AESOP (Automated Endoscopic System for Optimal Positioning), was a voice-activated endoscope, allowing the surgeon to see inside the patient’s body. The other two robotic arms mimicked the surgeon’s movements to make precise incisions and extractions. ZEUS was discontinued in 2003, following the merger of Computer Motion with its rival Intuitive Surgical; the merged company instead developed the Da Vinci Surgical System.
In the 1990s, Computer Motion was a leading producer of medical robotics, manufacturing systems such as the HERMES Control Center and the SOCRATES Telecollaboration System. Computer Motion conducted its original research developing the AESOP arm under a NASA SBIR (Small Business Innovation Research) contract. NASA funded the research in the hope that derivatives of such technology could help service the Space Shuttle in orbit, working on parts of the shuttle where humans cannot easily access or making other delicate repairs or adjustments.
AESOP was cleared for use by the FDA in 1994, and it became the first robot to assist in a surgery. AESOP's function is to maneuver an endoscope inside the patient's body during the surgery. The camera moves based on voice commands given by the surgeon. Voice activation of the AESOP arm allows the surgeon to position the camera while also controlling the other two arms of the ZEUS system. The endoscope can also be controlled by a computer which allows for more precise movements and also allows the endoscope to be inserted into the patient through a smaller incision (a key component of minimally invasive surgery).
The first prototype of the ZEUS was demonstrated in 1995, and tested on animals in 1996. Two years later, in 1998, it carried out its first tubal re-anastomosis procedure, and its first coronary artery bypass surgery (CABG) procedure. By 2000, the ZEUS was equipped to hold 28 different surgical instruments, and in 2001 it received FDA approval. In 2003, the ZEUS Robot Surgical System was marketed at $975,000. This was slightly cheaper than the competing Da Vinci system, which sold for $1 million.
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