Local Injection
Local Injection - Related Videos
10:28
An Injectable and Drug-loaded Supramolecular Hydrogel for Local Catheter Injection into the Pig Heart
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Cited by 21 •
2015
Supramolecular hydrogelators based on ureido-pyrimidinones allow full control over the macroscopic gel properties and the sol–gel switching behavior using pH. Here, we present a protocol for formulating and injecting such a supramolecular hydrogelator via a catheter delivery system for local delivery directly in relevant areas in the pig heart.
06:39
Intraductal Injection for Localized Drug Delivery to the Mouse Mammary Gland
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Cited by 36 •
2013
A protocol for the non-invasive intraductal delivery of aqueous reagents to the mouse mammary gland is described. The method takes advantage of localized injection into the nipples of mammary glands targeting mammary ducts specifically. This technique is adaptable for a variety of compounds including siRNA, chemotherapeutic agents and small molecules.
03:44
Rabbit Intraductal Injection: Localized Delivery of Solution of Interest into the Rabbit Mammary Gland
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2023
In this video we describe a technique of administering a solution of interest into the mammary duct of a rabbit and confirm the delivery by high-resolution ultrasound imaging of contrast agents.
07:06
Visualizing RNA Localization in Xenopus Oocytes
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Cited by 5 •
2010
Visualization of in vivo RNA transport is accomplished by microinjection of fluorescently labeled RNA transcripts into Xenopus oocytes, followed by confocal microscopy.
03:48
Mouse Bladder Wall Injection
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Cited by 34 •
2011
Mouse bladder wall injection is a useful approach to orthotopically study bladder stem cell and cancer biology. This delicate microsurgical method can be mastered with careful technique and practice.
FAQs
Local anesthetics temporarily interrupt nerve signaling within the treated area, reducing pain transmission during a procedure. The resulting effect depends on the substance used, the dose delivered, and how the surrounding tissue responds. Because the treatment is concentrated at a selected location, clinicians can obtain regional pain control without intentionally exposing the entire body to the same intervention.
Site selection determines whether the substance reaches the tissue responsible for the intended effect. Local injection may target skin, soft tissue, a joint, or muscle, depending on the treatment goal. Placing the material in an appropriate anatomical location helps concentrate therapy where it is needed and can limit wider exposure, while an unsuitable site may reduce effectiveness.
Three central factors are the injected substance, the administered dose, and the response of the treated tissue. These variables influence both the strength and duration of the local effect, including pain control or anti-inflammatory action. Careful adjustment of dosing and attention to tissue characteristics help clinicians balance the desired result with the possibility of complications.
A clinician first identifies the intended anatomical site and selects the therapeutic substance and dose appropriate to the goal. Using a syringe and needle, the material is placed into the defined tissue location. Sterile technique is maintained throughout the procedure, because accurate placement, controlled delivery, and cleanliness together support effectiveness and help reduce complications.
Clinicians may choose a targeted injection when treatment is intended for a specific area, such as a joint, muscle, skin region, or soft-tissue site. This approach supports procedures requiring regional pain control and can deliver anti-inflammatory or other therapies directly to the selected location. Its usefulness depends on matching the substance and dose to the clinical objective.
The outcome depends on the substance delivered and the tissue receiving it. Local anesthetics can provide temporary regional pain control by interrupting nerve signaling, while anti-inflammatory or other therapeutic substances can act at the selected site. Accurate placement may improve the intended local effect, whereas unsuitable dosing, site selection, or technique can contribute to complications.