Related Experiment Video
Updated: Jan 20, 2026

12:10
Retzius-Sparing Robot-Assisted Radical Prostatectomy
Published on: May 19, 2022
9.0K
Magnet-Assisted Robotic Prostatectomy Using the da Vinci SP Robot: An Initial Case Series
Ryan L Steinberg1, Brett A Johnson1, Malek Meskawi2
1Department of Urology, University of Texas Southwestern, Dallas, Texas.
Journal of Endourology
|August 15, 2019
Summary
Magnetic retractors enable single-port robotic prostatectomy with the da Vinci SP system. This novel approach is safe, effective, and improves surgical ergonomics without complications.
Area of Science:
- Minimally Invasive Surgery
- Robotic Surgery
- Urologic Oncology
Background:
- Traditional minimally invasive surgery relies on patient positioning or extra instruments for tissue retraction.
- The Levita™ Magnetic Surgical System offers a noninvasive magnetic retraction solution.
- Previous use demonstrated feasibility in multiport robotic prostatectomy.
Purpose of the Study:
- To report the initial multi-institutional case series of magnet-assisted robotic prostatectomy using the da Vinci SP single-port robotic platform.
- To evaluate the feasibility, safety, and effectiveness of this combined approach.
Main Methods:
- Retrospective chart review of 15 patients undergoing robot-assisted radical prostatectomy for prostate cancer.
- Utilized the da Vinci SP surgical system with a single Levita magnetic retractor.
- Collected and analyzed preoperative, intraoperative, and postoperative data.
Main Results:
- The procedure was feasible and safe in all 15 patients, with no conversions to multiport, laparoscopy, or open surgery.
- No intraoperative or postoperative complications were reported.
- Average operative time was 224 minutes, with an average blood loss of 198 mL. Patients were discharged within 2 days.
Conclusions:
- Robotic prostatectomy with the da Vinci SP system and magnetic retraction is feasible, safe, and effective.
- The magnetic retractor enhances tissue exposure and surgical ergonomics, replicating multiport techniques.
- Further research is warranted to explore magnetic retractor use in robotic surgery and optimize single-port techniques.
Related Concept Videos
Initiation of Translation
38.4K
Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
38.4K
Initiation of Translation
7.9K
7.9K
Resistors In Series
6.1K
A resistor is an ohmic device that limits the flow of charge in a circuit. Most circuits have more than one resistor. If several resistors are connected together and connected to a battery, the current supplied by the battery depends on the equivalent resistance of the circuit. The equivalent resistance of a combination of resistors depends on both their individual values and how they are connected. The simplest combination of resistors is the series combination.
In a series circuit, the...
In a series circuit, the...
6.1K
Series Resonance
763
The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
763
Transcription Initiation
20.4K
Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
The promoters and enhancers and their accessory proteins allow tight regulation of...
The promoters and enhancers and their accessory proteins allow tight regulation of...
20.4K
Trigonometric Fourier series
755
Fourier series is a foundational mathematical technique that decomposes periodic functions into an infinite series of sinusoidal harmonics. This method enables the representation of complex periodic signals as sums of simple sine and cosine functions, facilitating their analysis and interpretation in various fields, including signal processing, acoustics, and electrical engineering.
The trigonometric Fourier series specifically expresses a periodic function with a defined period T using sine...
The trigonometric Fourier series specifically expresses a periodic function with a defined period T using sine...
755

