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Related Concept Videos

Energy Basics02:27

Energy Basics

Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
Energy00:58

Energy

The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun—the ultimate energy source. For instance, plants capture light energy from the Sun, and through the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal...
What is Energy?04:10

What is Energy?

The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun — the ultimate energy source. Plants capture light energy from the Sun, and, via the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal (fossilized plants)...
Energy Budgets00:51

Energy Budgets

Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
Sustainable Development01:43

Sustainable Development

As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
Power and Energy01:12

Power and Energy

The power and energy delivered to an element are subjects of great significance in the field of electrical engineering. It is a well-known fact that a 100-watt light bulb emits more light than a 60-watt one. Therefore, power and energy calculations play a crucial role in the analysis of electrical circuits.
Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as

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Related Experiment Videos

Economics and energy sources.

Malcolm G Munro1

  • 1Department of Obstetrics and Gynecology, David Geffen School of Medicine at UCLA, Los Angeles, CA 91356, USA. mmunro@ucla.edu

Journal of Minimally Invasive Gynecology
|May 11, 2013
PubMed
Summary

New energy-based surgical devices offer advanced features but come with higher costs. This analysis questions whether their increased expense provides true value in minimal access surgery, impacting complications, operating times, and accessibility.

Area of Science:

  • Surgical Technology
  • Health Economics
  • Minimally Invasive Surgery

Background:

  • Energy-based instrumentation is crucial for laparoscopic surgery.
  • Traditional reusable monopolar and bipolar systems are being supplemented by newer ultrasound and radiofrequency devices.
  • These advanced instruments are marketed for improved safety and efficacy.

Purpose of the Study:

  • To explore the economic implications of advanced energy-based surgical devices.
  • To evaluate the value proposition of newer, more expensive surgical instruments.
  • To determine if advanced devices enhance outcomes and access in minimal access surgery.

Main Methods:

  • Analysis of economic factors in energy-based surgical device adoption.
  • Review of cost-benefit considerations for new surgical technologies.

Related Experiment Videos

  • Examination of the impact of device cost on surgical practice and patient access.

    • Main Results:

    • Newer energy devices involve significant capital expenditure for proprietary generators.
    • Many advanced instruments are single-use, increasing per-case costs.
    • The cost-effectiveness and value of these devices in improving surgical outcomes and accessibility remain under scrutiny.

    Conclusions:

    • The adoption of advanced energy-based surgical devices presents complex economic challenges.
    • A thorough value assessment is needed to justify the higher costs associated with newer technologies.
    • Further research is required to ascertain if these devices translate to better patient outcomes and broader access to minimally invasive procedures.