Ultrasound Guidance
Ultrasound Guidance - Related Videos
10:14
Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells
0 Views •
Cited by 9 •
2016
This protocol describes a bioprinting methodology using an automated robotic depositing system that incorporates etched topographical guidance cues with the precision deposition of a cell bearing hydrogel bioink. The printed cells are directly delivered to the etched features and are able to sense and orientate with them.
08:22
Ultrasound-guided Transthoracic Intramyocardial Injection in Mice
0 Views •
Cited by 16 •
2014
Echocardiography-guided percutaneous intramyocardial injection represents an efficient, reliable, and targetable modality for the delivery of gene transfer agents or cells into the murine heart. Following the steps outlined in this protocol, the operator can quickly become competent in this versatile, minimally invasive technique.
07:05
Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
0 Views •
Cited by 21 •
2016
Botulinum toxin is injected into the salivary glands for the treatment of sialorrhea. The ultrasound-guided botulinum toxin injection in both the parotid and submandibular glands demonstrates a sustained efficacy and the absence of serious side effects.
10:30
Use of pHluorin to Assess the Dynamics of Axon Guidance Receptors in Cell Culture and in the Chick Embryo
0 Views •
Cited by 10 •
2014
We describe here the use of a pH-sensitive green fluorescent protein variant, pHluorin, to study the spatio-temporal dynamics of axon guidance receptors trafficking at the cell surface. The pHluorin-tagged receptor is expressed both in cell culture and in vivo, using electroporation of the chick embryo.
05:04
An Ultrasound-Guided Injection of Therapeutic Drugs into Human Salivary Glands
0 Views •
2025
The video demonstrates an ultrasound-guided injection technique for administering therapeutic drugs into the salivary glands of a human patient.
FAQs
The transducer performs both sides of the imaging process: it emits high-frequency sound waves and receives echoes returning from tissues and fluids. The system converts differences in those echoes into a visual representation of anatomy. During an intervention, that image gives the clinician a continuously updated view of the region, supporting instrument placement based on structures seen beneath the skin.
Real-time imaging matters because anatomy and the instrument can be assessed together while a procedure is underway. As a needle, catheter, or other instrument is positioned, clinicians can use the displayed structures to direct it toward the intended location. This visual feedback can improve targeting and reduce the chance of inadvertent injury.
One important distinction is that ultrasound guidance uses sound waves rather than ionizing radiation to produce procedural images. Clinicians can therefore visualize anatomy while directing minimally invasive care without exposing the patient to ionizing radiation from the guidance method. This is relevant when bedside procedures require immediate visualization of structures, instruments, or target areas.
During a guided procedure, the clinician uses the transducer to obtain an image of the relevant anatomy, identifies the target and nearby structures, and uses the live view to direct a needle, catheter, or other instrument. The image remains central as placement proceeds, helping the clinician aim more precisely and recognize the instrument’s relationship to tissues and fluids.
Ultrasound guidance is especially useful for procedures in which accurate access or targeting matters. Examples include vascular access, regional anesthesia, biopsies, and fluid drainage. Although these interventions differ in purpose, they share a need to position an instrument in relation to anatomy that lies beneath the skin. Guidance supports precision across this range of minimally invasive care.
For biopsies and fluid drainage, the live image helps clinicians direct instruments toward a selected tissue or fluid-containing area while viewing surrounding anatomy. The same principle supports regional anesthesia, where accurate instrument placement is important to the intended intervention. By linking the target with what the clinician sees during the procedure, ultrasound guidance can support more controlled minimally invasive care.
Beyond individual procedures, ultrasound guidance has a role in bedside care and procedural training. The clinician can use the displayed anatomy and instrument position to connect visual information with the actions required for placement. This makes the technique useful not only for performing vascular access, anesthesia, biopsy, or drainage, but also for teaching how image-based targeting can improve precision and safety.