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Related Concept Videos

Penis01:29

Penis

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...
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

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...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...

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Related Experiment Video

Updated: Jul 15, 2026

Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents
08:03

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Published on: June 6, 2018

Exploring Vacuum Erection Device User Feedback: A GPT-4 Thematic Analysis.

Hiren V Patel1, Behzad Abbasi2, Kevin D Li3

  • 1Department of Urology, The Ohio State University Wexner Medical Center, Columbus, OH.

Urology
|March 22, 2025
PubMed
Summary

Consumer reviews show vacuum erection devices (VEDs) are generally effective and well-received. While most users report positive experiences, emphasizing patient education is crucial for safe VED use and injury prevention.

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Area of Science:

  • Urology
  • Consumer Health Technology
  • Qualitative Research

Background:

  • Vacuum erection devices (VEDs) are a common treatment for erectile dysfunction.
  • Understanding user perspectives is vital for improving VED products and patient outcomes.

Purpose of the Study:

  • To analyze consumer viewpoints on vacuum erection device (VED) usage through online reviews.
  • To identify key themes, compare electric versus manual VEDs, and determine factors influencing product ratings.

Main Methods:

  • Qualitative analysis of 1500 Amazon.com reviews for 21 popular VED products.
  • GPT-4 used for theme and subtheme identification.
  • Multivariable ordinal regression to identify factors associated with higher product ratings.

Main Results:

  • Efficacy (92%) and user experience (78%) were the most common themes.
  • Electric VEDs were more often linked to ease of use and design features.
  • Higher ratings correlated with fewer mentions of product deficiency, malfunction, warnings, and customer service issues.
  • 8.4% of users reported VED use for partner intimacy, with similar effectiveness and satisfaction compared to standard VEDs.

Conclusions:

  • Online reviews suggest a generally positive consumer sentiment towards VEDs.
  • Few mentions of malfunction or safety warnings were noted.
  • Emphasizing patient education is essential for safe VED application and minimizing injury risks.