Video Experimental Relacionado
Updated: Sep 10, 2025

05:14
Author Spotlight: Extraction of Guinea Pig Round Window Membrane to Facilitate Inner Ear Drug Delivery Research
Published on: February 23, 2024
765
Las dimensiones de las ventanas redondas y de las membranas: una revisión sistemática
Mathieu Marx1,2, Pauline Nieto1,2, Olivier Sagot1
1Service d'Otologie, Otoneurologie et ORL Pédiatrique, Hôpital Pierre-Paul Riquet, CHU Toulouse Purpan, 31000 Toulouse, France.
Audiology research
|August 27, 2025
Resumen
La región de la ventana redonda
Área de la Ciencia:
- Otorrinolaringología
- La anatomía
- Imágenes médicas
Sus antecedentes:
- La ventana redonda (RW) es crucial para la audición.
- Comprender sus dimensiones es vital para el desarrollo de implantes auditivos.
Objetivo del estudio:
- Revisar sistemáticamente las dimensiones anatómicas de la región de la ventana redonda.
- Proporcionar datos para el diseño de futuros dispositivos de membrana de ventana redonda.
Principales métodos:
- Una búsqueda exhaustiva de la literatura de Medline, EMBASE, Cochrane Library y Google Scholar.
- Se incluyen 16 estudios anatómicos y radiológicos en los que se indican las dimensiones RW.
- Extracción de datos sobre el nicho RW, la membrana y las estructuras óseas circundantes.
Principales resultados:
- Variabilidad significativa en el área de superficie de la membrana RW (0,32 × 2,89 mm2) y las dimensiones mínimas (0,51 × 2,1 mm).
- Los voladizos óseos (pilares, tegmen) contribuyen a la variabilidad dimensional.
- El diámetro mínimo sin voladizos oscilaba entre 1,65 y 1,97 mm.
Conclusiones:
- Las dimensiones de la región de la ventana redonda son muy variables debido a factores intrínsecos y a la heterogeneidad de la medición.
- Los futuros dispositivos de membrana de ventana redonda deben ser ≤1 mm para adaptarse a la mayoría de las anatomías.
- La consideración de las estructuras óseas es esencial para el dimensionamiento preciso del dispositivo.
Más Videos Relacionados
Videos de Conceptos Relacionados
Spanning Openings in Brick Walls
255
In brick wall construction, supporting structures are crucial for openings like windows and doors to maintain the integrity and support the weight of the wall above. These supports include lintels, corbels, and arches, each serving specific structural purposes.
Lintels are primary supports used to span openings and can be crafted from materials such as reinforced concrete, steel-reinforced brick masonry, or simple steel angles. These are straightforward to install and are typically concealed...
Lintels are primary supports used to span openings and can be crafted from materials such as reinforced concrete, steel-reinforced brick masonry, or simple steel angles. These are straightforward to install and are typically concealed...
255
Cavity Drainage and Flashings in Masonry walls
142
Typically, a cavity wall consists of two wythes separated by a gap of at least 2 inches, which may contain insulation while still maintaining a minimum clear space of 1 inch to facilitate adequate drainage. Advanced methods like the insertion of a continuous drainage mat can further reduce this space while ensuring effective moisture expulsion.
Weep holes, strategically placed at the base of the cavity, are critical for draining accumulated water. These openings are created by leaving head...
Weep holes, strategically placed at the base of the cavity, are critical for draining accumulated water. These openings are created by leaving head...
142
Anatomy of the Ear
8.9K
Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
8.9K

