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Transdermal Drug Delivery Systems

Transdermal Drug Delivery Systems

Transdermal drug delivery systems (TDDS) enable the controlled release of drugs across the skin into systemic circulation. They are particularly advantageous for drugs with short half-lives or narrow therapeutic indices, as they maintain consistent plasma concentrations and reduce the risk of subtherapeutic or toxic levels.TDDS are categorized into monolithic, reservoir, and mixed systems. Monolithic systems embed the drug in a polymer matrix, where diffusion governs release. Reservoir systems...

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Related Experiment Video

Updated: Jun 8, 2026

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems

Published on: May 2, 2025

Low-cost topical negative pressure wound dressing system.

¹Burrows Memorial Christian Hospital - Surgery, Alipur, Banskandi Post, Cachar District, Silchar, Assam 788101, India. jgnanaraj@gmail.com

Tropical Doctor

|September 28, 2010

Summary

A simple, low-cost topical negative pressure system can be created from local materials. This method effectively manages poorly healing wounds, especially in rural surgical settings.

Area of Science:

Surgical Innovation
Wound Management
Biomedical Engineering

Background:

Poorly healing wounds present significant challenges in surgical care, particularly in resource-limited rural settings.
Effective wound management is crucial for patient recovery and reducing healthcare burdens.
Topical negative pressure (TNP) therapy has emerged as a promising treatment for complex wounds.

Purpose of the Study:

To describe a novel, low-cost TNP system.
To demonstrate the feasibility of using locally available materials for wound management.
To provide a practical solution for rural surgical units facing challenges with advanced wound care.

Main Methods:

Development of a simplified TNP device using readily accessible materials.

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Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications

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Published on: May 10, 2024

Related Experiment Videos

Last Updated: Jun 8, 2026

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems

Published on: May 2, 2025

Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications

Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications

Published on: May 10, 2024

Application of the device to patients with poorly healing wounds.

Monitoring wound healing progress and system efficacy.

Main Results:

The locally sourced TNP system was successfully constructed and implemented.
The system effectively provided negative pressure for wound management.
Preliminary observations suggest positive outcomes in wound healing.

Conclusions:

A simple, cost-effective TNP system can be fabricated from local materials.
This innovation offers a viable solution for managing difficult wounds in rural surgical environments.
Further research can validate the widespread applicability of this approach.