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Drug Delivery: Parenteral Route

Drug Delivery: Parenteral Route

The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...

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Related Experiment Video

Updated: Jan 9, 2026

Intrathecal Delivery of Antisense Oligonucleotides in the Rat Central Nervous System

Intrathecal Delivery of Antisense Oligonucleotides in the Rat Central Nervous System

Published on: October 29, 2019

Two-Needle Approach to Replenish an Empty Intrathecal Pump.

Andrew Kent¹, Anterpreet Dua¹, Paramvir Singh¹

¹Department of Anesthesiology and Perioperative Medicine, WellStar MCG Health, Medical College of Georgia, Augusta University, Augusta, USA.

|December 5, 2025

Summary

This summary is machine-generated.

A novel technique using a second needle improves intrathecal pump refills, preventing dangerous "pocket fills" when the pump reservoir is empty. This ensures accurate medication delivery for patients with chronic pain or spasticity.

Area of Science:

Neurology
Pain Management
Medical Devices

Background:

Intrathecal pumps offer targeted drug delivery for severe pain and spasticity.

Keywords:

intrathecal pump needle aspiration needle placement confirmation pump pocket fill pump refill refractory pain reservoir

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Last Updated: Jan 9, 2026

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Standard practice involves refilling before the reservoir is empty to verify needle placement.

Empty reservoirs can complicate needle placement verification, risking inaccurate drug delivery.