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Introduction ofRobot-assisted
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Surgical Technology: theda Vinci Xi System
KunZheng andZhongkuanLin
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2.1 The Main Components andCharacteristics ofthe da Vinci Xi System
Surgical robots are an example of one of the most cutting-edge technologies that combines medi­cine, mechanics, electronics, and computer sci­ence [1]. The application of robotic technology to minimally invasive surgery is a major innovation in this eld [2]. It not only expands the surgical capabilities of doctors, improves the accuracy and consistency of surgery, and shortens surgical pro­cedure duration but also broadens the scope of application of minimally invasive surgery [35]. Robot systems have the advantages of extremely high operation accuracy, strong exibility, and excellent repeatability and are much less affected by operator physiological factors, such as fatigue and emotion [6]. It has been shown to improve surgical outcomes in the medical literature [7, 8]. The da Vinci surgical robot system is currently the most widely used advanced surgical platform sys­tem in the world. Its tremor ltering and motion reduction system can guarantee surgical accuracy up to the submillimeter level [9]. Another impor­tant feature is the alleviation of anxiety about
K. Zheng (*) · Z. Lin Department of Clinical Engineering, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China e-mail: zhengkun@zju.edu.cn; lzk@zju.edu.cn
potential damage to adjacent tissues [10]. Its sup­porting equipment has seven degrees of freedom, breaking through the limit of the human hand traits and the rotatable wrist range of motion, and can realize exible operation in narrow anatomi­cal areas as well [11]. The da Vinci Xi series is the agship device of the fourth- generation surgical robot developed by Intuitive Surgical Inc [12]. It was cleared through the FDA510 (K) review back in April 2014 [13]. This surgical system can be used on both adult and pediatric patients. Da Vinci surgical robots are widely used in general surgery, urology surgery, thoracic surgery, gynecology surgery, cardiovascular surgery, and head and neck surgery [14]. The operating platform of the robot allows the operator to grasp, cut, dissect, approximate, ligate, cauterize, suture, transport, and place microwave and cryogenic ablation probes endoscopically with precise control of the da Vinci Xi EndoWrist instruments and accesso­ries [6].
The safe use of such a system requires addi­tional training for the surgical team and engineer­ing service providers. The system is considered a major capital investment and requires facility planning both for its installation and support in the surgical area. The main components of the robot system include a surgeon console, a patient operation platform and an image processing plat­form, which are used together with endoscopes [14, 15], da Vinci Xi EndoWrist instruments, and accessories, as shown in Fig.2.1.
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2023 Q. Shu (ed.), Pediatric Robotic Surgery, https://doi.org/10.1007/978-981-19-9693-1_2
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K. Zheng and Z. Lin
a
b
c
d
Fig. 2.1 System composition (a) surgeon console, (b) patient surgery platform, (c) image processing platform, (d) typical system and surgeon positions
2.1.1 Surgeon Console
to human factors engineering principles, and the surgeon’s position can be adjusted accordingly to
The surgeon console is the workstation that allows the surgeon to operate and control the robot system. The surgeon can fully control the operation, video, audio and system settings through a sitting operation. The surgeon console is usually positioned outside the sterile area of the operating room. The product design conforms
promote comfort and minimize fatigue and wear­and- tear on the body during the operation [13,
16]. The surgeon sits by the console, with his or
her hands and feet operating the two main con­trollers and foot pedals, respectively, that enable control of all the needed actions of the instrument and the endoscope. The observation window of
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the console provides clear views of the patient’s anatomy and the operating instruments, as well as icons and other user interface functions. The surgeon can view the three-dimensional picture with the naked eye in the observation window. When the surgeon carries out the operation under the observation window, he or she may grasp the manual controller with both hands and control the tip of the instrument in the eld of view to operate. During this process, the controller can precisely and exibly control the da Vinci EndoWrist instruments. The action ratio setting allows the surgeon to adjust the hand-to-instru­ment motion ratio seamlessly, which translates the surgeon’s hand, wrist, and nger motions with precision, achieving real-time synchroniza­tion between the tip of the surgical instrument and the surgeon’s hands [11]. In addition, the multiterminal input display function of the con­sole’s TileProTM provides the whole surgical team with clear presentation of 3D images and other image information of the surgical eld, plus the patient’s ECG images and ultrasound images as needed. In addition, according to vari­ous clinical needs, the dual-console system can be upgraded, which can not only meet the needs of two surgeons in joint operations but also facil­itate the required training and guidance.
that the system accommodates can be attached to other instrument arms as well. Furthermore, the platform has a built-in voice communication sys­tem to facilitate communication among members of the surgical team.
2.1.3 Image Processing Platform
The image processing platform is also one of the core components of the robot system, which pro­cesses the data and image information. It mainly consists of the electronic system module, the endoscope control module, the video processing module, the VIO dV module, and the vision sys­tem module. It generates high-quality video images through advanced processing and control algorithms. The platform is equipped with a high luminance light source and a touchscreen moni­tor, plus image function capacity for up to four times digital zoom, to achieve surgical visual effects similar to open surgery. If equipped with high-denition uorescence imaging capability, it can show and evaluate the real-time perfusion of blood vessels, bile ducts, and tissues, which is very helpful for the surgeon to make timely clini­cal judgment.
2.1.2 Patient Surgery Platform
The patient surgery platform is a major opera­tional component of the da Vinci Xi system. It includes four instrument arms and a laser posi­tioning-assisted system. By being positioned next to the patient operating table with its easy placement at any location around the patient, it facilitates exible surgical layout and increases the movement angle of surgical instruments.
The instrument arm can be moved appropri­ately to a desired position with a greater range of motion to access a signicant intraoperative sur­gical workspace by the rotating adjustable over­head boom and the laser positioning-assisted system. The endoscope and surgical instrument
2.1.4 Endoscope andEndoWrist Instrument
The function of the da Vinci Xi electronic endo­scope is to acquire high-denition (HD) three­dimensional (3D) videos from the surgical eld. The endoscope has a diameter of 8mm and has two angle options of 0° and 30°. The EndoWrist instrument is a multipurpose swivel wrist surgi­cal instrument used with the system, with a diam­eter of 8mm and a total length of 53 cm. EndoWrist instruments can be used for endo­scopic operations during surgery, providing sur­geons with natural exibility and range of motion. It can achieve grasping, cutting, blunt and sharp peeling, approaching, ligation, electrocautery, suturing and other operations, which can acquire
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K. Zheng and Z. Lin
high-precision surgical results. During the opera­tion, it is the patient-side assistant who performs the attachment and detachment of the endoscope and the surgical instrument in the sterile area. Meanwhile, the surgeon at the console controls the four arms to manipulate the surgical instru­ments and the endoscope.
2.2 Introduction totheBasic Operation oftheRobot System
2.2.1 System Start-Up
Assure that the electric power outlet intended to be used for the robot system has been tested and conrmed appropriately. All system components, namely, the image processing platform, patient operation platform, and surgeon console are con­nected to AC power accordingly, and each com­ponent is connected through cables as well. Press any single power button to power the entire sys­tem. The power switch positions are shown in Fig. 2.2. Once powered up, the robotic system will run a self-test rst. During that period, all the components will conduct relative activities accordingly, and a ready sound is emitted after­wards once the system self-test has successfully
run. Make sure that there is no error code dis­played on the monitor of the image processing platform.
2.2.2 Connecting theEndoscope totheImage Processing Platform
The integrated cable of the endoscope is con­nected to the endoscope controller. If the LED next to the connector lights up, the endoscope detected by the system is properly connected, as shown in Fig.2.3.
2.2.3 Positioning andDocking ofthePatient’s Surgical Platform
First, the boom and instrument arm were adjusted to place the patient’s surgical platform next to the patient operating table. Subsequently, there are two methods for positioning and dock­ing the patient’s surgical platform. The rst choice is to use a Guided Setup. The system will be set up to the preset docking position according to the anatomical part intended to be worked on and the position of the surgical plat-
a
Fig. 2.2 The power switch positions of the surgeon console (a), patient operation platform (b), and image processing platform (c)
b
c
ab
2 Introduction ofRobot-assisted Surgical Technology: theda Vinci Xi System
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Fig. 2.3 Endoscope connection. (a) the integrated cable of the endoscope to the endoscope controller; (b) the LED light indicates that the system is connected
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a
Fig. 2.4 Equipment installation before (a) and after (b). (a) the instrument housing into the sterile adapter; (b) if you hear the completion prompt sound means the device has been installed
form selected from the patient’s surgical plat-
b
2.2.4 Equipment Installation
form touch pad. Guided setup is the easiest way to precisely place the patient’s surgical plat­form. However, if the Guided Setup cannot reach the desired position, by using manual controls, the height of the boom and the exten­sion of the instrument arm can be adjusted to reach the appropriate positioning and surgical movement range.
First, make sure that the wrist of the instrument is straightened and the jaws are closed, insert the end of the instrument into the sleeve, and press the instrument housing into the sterile adapter. If you hear the completion prompt sound, it means that the device has been installed, as shown in Fig.2.4.
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Fig. 2.5 Adjust the position of the surgeon console
K. Zheng and Z. Lin
2.2.5 Adjustment of thePosition oftheSurgeon Console
It is important to match the system’s console position with the dimensions of the surgeon’s body. The seat height, armrest height, height, and slope of the 3D observation window were adjusted, and the depth of the foot switch panel was adjusted by operating the ergonomic control switch, as shown in Fig. 2.5. First, adjust the height of the seat to ensure that the surgeon’s legs can move exibly; second, adjust the position of the armrest so that the surgeon can rest comfort­ably on it while relaxing the shoulders; nally, adjust according to the surgeon’s personal prefer­ence. The height and slope of the 3D observation window and the depth of the foot switch panel can also be adjusted accordingly.
2.2.6 System Shutdown
Ensure that instruments and endoscopes are removed from the patient’s surgical platform. Use the channel clutch button to move the instrument arm far away from the patient. Move the patient’s operating platform away from the patient operat­ing table. The Stow button on the touch screen of the patient’s surgical platform was used to retract the patient’s surgical platform. Press any power button on the equipment to switch off the system.
2.3 Troubleshooting Common Problems
As described in the previous section, the robot system is a complex integration of many elec­tronical mechanical and software components that have been developed and updated over the past 20 years. The development of this complex system was not without challenges. For example, between 2012 and 2018, the developer issued 25 product recalls of defects. It is important to fully understand the safe use and maintenance of such a system and be able to determine how to respond when a problem arises. Users should have in place a program to follow recall and system per­formance announcements issued by the vendor or regulatory authority.
2.3.1 System Power Problems
When any components of the system cannot start properly or cannot enter an automatic and con­trolled shutdown procedure, the system may exhibit abnormal behavior.
Troubleshooting procedures:
1. Conrm that all the power cords of the sur-
geon console, patient operation platform, and image processing platform are connected cor­rectly to the dedicated AC power outlets.
2 Introduction ofRobot-assisted Surgical Technology: theda Vinci Xi System
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instrument arm LED indicator will light up in amber, and a related prompt message will be dis­played on the screen. In such cases, pressing the port clutch button of the arm can release the addi­tional force that may be applied to the patient.
2.3.3 The System Does Not Respond
If the system does not respond or work properly, the problem must be investigated immediately according to the protocol with troubleshooting of the fault’s reason by the following methods:
(1) Check the information displayed on the
screen to determine whether the system is performing a task.
(2) Press the emergency stop button on the con-
Fig. 2.6 EPO switch
2. Conrm that the power switches on the sur­geon console, patient operation platform, and image processing platform are set to the on position.
3. Check if the Emergency Power Off (EPO) button on the patient’s surgical platform has been pressed. Once it is pressed, it needs to be pressed again to reset the EPO button. The EPO switch is shown in Fig.2.6.
4. Check if the blue system cable between the patient’s operating platform, the surgeon console and other core equipment is con­nected appropriately.
trol panel of the patient’s operating platform or the surgeon console.
(3) Press the fault recovery button on the touch
pad or touch screen to conrm proper system functioning.
(4) Press any power button on the device to
restart the system.
(5) If the system cannot be restarted, you need to
mandatory shut down and then press any power button to start again .
(6) If the problem persists, contact the vendor
for further assistance.
2.4 Preventive Maintenance
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2.3.2 Accidental Movement
When the instrument arm is overloaded, it may cause accidental movement. Various factors can contribute to this problem, including applying excessive force to the patient and interfering with the patient’s surgical platform components. If the system detects any movement, the corresponding
Preventive maintenance (PM) is an important measure to ensure that the robot system is in a safe and optimal working condition. Clinical engineers and manufacturers regularly maintain the system. The specic maintenance tasks are shown in Table2.1. PM should be carried out at least once every half year during normal system operation and also required after troubleshooting, component or part replacement.
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Table 2.1 Preventive maintenance items and contents
Maintenance item Content
Preliminary inspection
Equipment function check
Service mode function test
Electrical safety test
Other tests Check system software
(a) Appearance inspection of the
equipment
(b) Inspection of the connection
and condition of each power cord
(c) Inspection of the connection
between the components
(d) Inspection of the data
transmission ber
(e) Calibration of time (a) Drive check
(b) Battery status check (c) Touch screen function check (d) Robot arm movement range check (e) Surgeon side console zero
motion check
(f) Surgeon side console movement
and brake function check
(g) Vision cart display support arm
check (h) Trolley lter cleaning check (i) HRSV video check (j) SSC touch screen function check (k) PSC touch screen function check (l) VSC touch screen function
check
(m) VSC video system function
check
(n) Check system log (a) SUJ-Z count
(b) USM sensor range detection (c) USM braking performance
detection (d) USM motion detection of each
node
(e) USM motion resistance
detection (f) Carriage Strength detection (g) USM level detection (h) USM motion range detection (i) SSC control arm function
detection
(j) Voice communication function
detection (k) System log processing (l) Maintenance count reset
(a) Ground resistance test (b) Leakage current test
compatibility
References
1. Wang W, Wang WD, Yan ZY, et al. Development review of laparoscopic surgical robotic. CN Med Devices. 2014;29:5–10. (In Chinese).
2. Ghani RK, Trinh Q, Sammon J, et al. Robot-assisted urological surgery: Current status and future perspec­tives. Arab J Urol. 2012;10:17–22.
3. Norasi H, Tetteh E, Law KE, et al. Intraoperative workload during robotic radical prostatectomy: Comparison between multi-port da Vinci Xi and single port da Vinci SP robots. Appl Ergon. 2022;104:103826.
4. Moschovas MC, Bhat S, Sandri M, Rogers T, Onol F, Mazzone E, Roof S, Mottrie A, Patel V. Comparing the Approach to Radical Prostatectomy Using the Multiport da Vinci Xi and da Vinci SP Robots: A Propensity Score Analysis of Perioperative Outcomes. Eur Urol. 2021;79:393–404.
5. Wang RS, Ambani SN. Robotic Surgery Training: Current Trends and Future Directions. Urol Clin North Am. 2021;48:137–46.
6. Kallingal GJ, Parekh DJ. Rise of robotics in urologic surgery: current status and future directions. Expert Rev Med Devices. 2013;10:287–9.
7. Dy GW, Jun MS, Blasdel G, Bluebond-Langner R, Zhao LC. Outcomes of Gender Afrming Peritoneal Flap Vaginoplasty Using the Da Vinci Single Port Versus Xi Robotic Systems. Eur Urol. 2021;79:676–83.
8. Panteleimonitis S, Pickering O, Ahmad M, et al. Robotic rectal cancer surgery: Results from a European multicentre case series of 240 resec­tions and comparative analysis between cases performed with the da Vinci Si and Xi systems. Laparoscopic, Endoscopic and Robotic Surgery. 2020;3:6–11.
9. Yang LS, Hou ZS, Tang W, et al. Development of Surgical Robots in Recent Years. Zhongguo Yiliao Qixie Zazhi. 2023;47:1–12. (In Chinese)
10. Hong W, Jin L. Overview of the Development of Spatial Positioning Accuracy Testing Technology for Surgical Robots. Zhongguo Yi Liao Qi Xie Za Zhi. 2023;47:32–7. (In Chinese)
11. Ahmad A, Ahmad ZF, Carleton JD, et al. Robotic sur­gery: current perceptions and the clinical evidence. Surg Endosc. 2017; 31:255–63.
12. Liu H, Xu M, Liu R, et al. The art of robotic colonic resection: a review of progress in the past 5 years. Updates Surg. 2021;73:1037–48.
13. Robotics Business Review. Intuitive Surgical Receives FDA Approval for New da Vinci Xi. 2014.
https://www.roboticsbusinessreview.com/health-
2 Introduction ofRobot-assisted Surgical Technology: theda Vinci Xi System
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medical/intuitive_surgical_receives_fda_approval_ for_new_da_vinci_xi/. Accessed 1 Aug 2023.
14. Wang G, Zeng Y, Sheng X. Robotic Surgery and Nursing. 1st ed. Springer Singapore; 2021.
15. Intuitive Surgical Inc. da Vinci Xi Surgical System. https://www.intuitive.com/en-us/prod-
ucts-and-services/da-vinci. Accessed 1 Aug
2023.
16. Catchpole K, Bisantz A, Hallbeck SM, et al. Human factors in robotic assisted surgery: Lessons from studies ‘in the Wild’. Appl Ergon. 2019;78:270–6.
Robotic Operating Room
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Conguration
HangYanZhao andChunyanZhan
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3.1 Robotic Operating Room Conguration
The area of the da Vinci Robotic Operating Room is recommended to be approximately 60m2 to easily move the equipment exibly. In the overall layout, fully consider the use of doors, power sockets and overhead structures. The doctor’s console is xed on the wall outside the central area of the operating room, ensuring that the surgeon can look directly at the operat­ing area and communicate with the assistant. The patient’s surgical platform is placed on the principle of ensuring the largest patient-side contact area [1]. The da Vinci Xi system sup­ports 2700 patient contact areas, which can be placed anywhere around the patient. According to our experience, placing the patient’s surgical platform on the right side of the patient can meet most operations [2]. For surgery where the target anatomical site is not in the midline, such as kid­ney surgery, the patient’s operating platform should be placed on the side of the target ana­tomical site. The image processing platform is placed on the side of the end of the operating bed to ensure that the operator of the patient operat-
H. Y. Zhao (*) · C. Zhan Department of Pediatric Surgery Room, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China e-mail: 6200021@zju.edu.cn
ing platform can see the image processing plat­form components and touch screen and x the equipment compatible insufator, energy plat­form, electric knife, and other equipment in the image processing platform host, which not only saves space but also reduces repeated movement and connection of equipment. Display equip­ment is installed on the mobile arm or wall to facilitate the operator of the patient’s surgical platform to obtain image information from mul­tiple angles. In the limited operating room space, reasonably adjust the spatial layout of the power supply, air source, various information interfaces and medical equipment to reduce the interfer­ence of equipment layout on laminar ow, ensure the safety of the operating environment and improve the work efciency of relevant person­nel and patient satisfaction [1].
3.2 System Cable Management
1. The system cable is 20m long, and the cable core is optical ber. Take care to avoid tram­pling and bending the cable. The minimum safe bending radius is 2.54cm, which can be wiped with a soft cloth [1].
2. During the operation, the cable was placed between the shaft of the endoscope and the arm of the instrument, and the cable of the endoscope was handled carefully during the operation to avoid severe bending or kinking [3].
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2023 Q. Shu (ed.), Pediatric Robotic Surgery, https://doi.org/10.1007/978-981-19-9693-1_3
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