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Step-by-Step. Ergonomic use of the fourth arm

Ergonomic use of the fourth arm to oversew the dorsal vascular complex (DVC) during robot-assisted laparoscopic prostatectomy (RALP)

Omer Karim, Amrith Rao, Emma Marsdin, Rajesh Kavia, Arie Parnham, Hanif Motiwala and Marc Laniado
Centre for Robotics and Minimally Invasive Surgery,Wexham Park Hospital, Slough, Berkshire, UK

Objective

• To demonstrate an ergonomic fourth arm technique to oversew the dorsal vascular complex (DVC) during robot-assisted laparoscopic prostatectomy (RALP).

Patients and Methods

• Balloon of a Foley catheter inflated in the bulbar urethra.
• Fourth arm cranial traction via suture in the tip of the catheter.
• DVC oversewn under direct vision.

Results

• Oversew of DVC with minimal patient-side surgical assistance.
• About a 50% reduction in apical positive margin rate.

Conclusion

• A useful, ergonomic method of oversewing the DVC
during RALP.

Karim O, Rao A, Marsdin E, et al. Ergonomic use of the fourth arm to oversew the dorsal vascular complex (DVC) during robot-assisted laparoscopic prostatectomy (RALP). BJU Int 2013; 111: 179–180.

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