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Penis01:29

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The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
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Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
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Disorders of the Male Reproductive System01:20

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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Multimodal Cross-Attention Fusion of B-Mode Ultrasound and Strain Elastography for Tumor Segmentation in Robotics-Assisted Surgery.

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Video Experimental Relacionado

Updated: May 4, 2026

Operative Technique and Nuances for the Stereoelectroencephalographic SEEG Methodology Utilizing a Robotic Stereotactic Guidance System
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Una estrategia de control compartido basada en la confianza para la electrocirugía robótica

A Meza-Pantoja1, A C Lawson1, C C Caputo1

  • 1Department of Computer Science, University of North Carolina at Wilmington, Wilmington, NC 28403, USA.

IEEE transactions on medical robotics and bionics
|August 29, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Este estudio introduce una estrategia de control compartido para la electrocirugía robótica, combinando precisión autónoma con el control del cirujano. Este enfoque innovador mejora la precisión quirúrgica y reduce significativamente la necesidad de intervención humana durante los procedimientos.

Palabras clave:
Robótica quirúrgicaelectrocirugíacontrol compartido

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Área de la Ciencia:

  • La robótica
  • Tecnología quirúrgica
  • Ingeniería biomédica

Sus antecedentes:

  • La cirugía asistida por robots (RAS) mejora los resultados del paciente a través de una mejor destreza y visión.
  • Si bien el RAS autónomo ofrece precisión, la supervisión humana sigue siendo crítica.
  • Los sistemas RAS actuales están controlados principalmente por el cirujano, lo que limita los beneficios potenciales de la automatización.

Objetivo del estudio:

  • Desarrollar y evaluar una estrategia de control compartida para la electrocirugía robótica.
  • Evaluar la eficacia de los modos de control colaborativo autónomo y manual.
  • Para reducir el tiempo humano en los procedimientos robóticos.

Principales métodos:

  • Pruebas de identificación diseñadas e implementadas para el control autónomo y manual.
  • Evaluar el coste y la eficacia del cambio entre modos de control.
  • Se han realizado experimentos de corte de precisión en muestras de lengua de porcino utilizando la estrategia propuesta.

Principales resultados:

  • La estrategia de control compartido logró incisiones de tejidos blandos más precisas que el control de modo único.
  • La combinación de control autónomo y manual aprovecha las fortalezas de ambos.
  • Reducido el tiempo humano en el bucle en un 69,29%.

Conclusiones:

  • El control compartido en la electrocirugía robótica ofrece una precisión y eficiencia superiores.
  • Este enfoque colaborativo optimiza la interacción humano-robot en entornos quirúrgicos.
  • La estrategia desarrollada representa un avance significativo en la tecnología RAS.