Related Experiment Video
Updated: Aug 6, 2026
11:15
A Modified Method for Intrathecal Catheterization in Rats
Published on: February 14, 2025
[Stimulating catheters for regional anesthesia: considerations in routine clinical use]
Clemens Kill1, Thorsten Steinfeldt
1Klinik fur Anästhesie und Intensivtherapie, Universitätsklinikum Giessen und Marburg, Standort Marburg. killc@staff.uni-marburg.de
Summary
New stimulation nerve catheters allow precise regional anesthesia placement near target nerves. This technique, unlike older methods, guides catheter tips accurately during insertion for improved success rates in pain management.
Area of Science:
- Anesthesiology and Pain Management
- Medical Device Technology
Context:
- Peripheral nerve blocks are common for regional anesthesia and analgesia.
- Current methods using electrical nerve stimulation ensure cannula placement but not precise catheter tip location.
- Advanced catheter systems with integrated nerve stimulation offer improved localization.
Purpose:
- To illustrate the clinical application of novel stimulation nerve catheters for regional anesthesia.
- To detail the modified insertion technique required for these advanced catheters.
- To present data on the success and failure rates of this new catheter system.
Summary:
- Stimulation nerve catheters enable direct nerve stimulation via the catheter tip during insertion, facilitating accurate placement adjacent to the target nerve.
- This approach eliminates the need for additional nerve stimulation devices.
- The article outlines the practical use of these catheters and discusses their efficacy based on clinical investigations.
Impact:
- Potential for improved accuracy and safety in peripheral nerve blocks.
- May reduce the complexity of regional anesthesia procedures.
- Contributes to the understanding of advanced catheter technologies in pain management.
Related Concept Videos
01:16Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
One of the advantages of...
01:26Cardiac Catheterization IV: Nursing Management
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
01:29Local Anesthetics: Clinical Application as Epidural Anesthesia
Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
01:11Local Anesthetics: Clinical Application as Spinal Anesthesia
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
01:30Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia
Depending on the target organ, local anesthetics (LAs) can be administered via various routes. In surface anesthesia, LAs are applied directly to the surface of the skin or mucous membranes. It is widely used for topical skin numbing before venipuncture or minor surgical procedures. Commonly used surface local anesthetics are lidocaine or benzocaine sprays or creams. Surface anesthesia occurs within 5 minutes and lasts for about 60 minutes. One of the main disadvantages of topical anesthesia is...
01:27Parentral Nutrition: Centeral and Peripheral Parental Nutrition
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...