This composite educational image illustrates a '3-in-1' surgical procedure for recurrent patellar dislocation (RPD) alongside an ultrasound-guided adductor canal block (ACB). The left anatomical diagram depicts the surgical components: (1) lateral patellofemoral ligament release to loosen the lateral retinaculum; (2) distal realigning via lower-inner transfer of the tibial tuberosity, shown fixed with two screws; and (3) reconstruction of the medial patellofemoral ligament (MPFL) using a graft tendon. Step (4) demonstrates the needle placement for an adductor canal block relative to the femoral neurovascular bundle. The right panel is a transverse ultrasound scan of the medial mid-thigh, labeled for regional anesthesia. It identifies the sartorius (SA) muscle superficially and the vastus medialis (VM) muscle laterally. Within the adductor canal (outlined in red), the hypoechoic saphenous nerve (SN) and the pulsatile femoral artery (FA) are clearly visible. This figure serves as a clinical guide for orthopedic surgeons and anesthesiologists managing patellar instability through combined surgical correction and regional analgesia.

This infographic illustrates the conceptual framework of a closed-loop Brain-Computer Interface (BCI) system for prosthetic control. The diagram is organized in a circular flow using four main components connected by thick black arrows. At the apex, a sagittal anatomical diagram of a human head shows a brain with highlighted orange cortical activity, representing neural intent or motor planning. Following the clockwise flow, a computer workstation symbolizes the signal processing and decoding of neural data. Below this, a clinical photograph shows a skin-toned prosthetic arm and hand performing a fine motor task: manipulating geometric puzzle pieces on a workbench. This represents the effector output and sensory feedback acquisition. Completing the loop, a second computer workstation symbolizes the encoding of feedback signals back to the user. The illustration demonstrates the integration of neural engineering, neurorehabilitation, and embodiment in advanced prosthetics, highlighting the bidirectional communication required for sophisticated bionic limb function.

Anatomical Diagram/Specimen: This clinical photograph displays a collection of 3D-printed anatomical components intended for the construction of a lumbar neuraxial block task trainer. The specimens, printed in white polylactic acid (PLA) using fused filament fabrication (FFF), include individual lumbar vertebral bodies (T10 through L5), bilateral iliac crests, and the sacrum. The vertebral bodies are arranged linearly on a green cutting mat, showcasing detailed posterior elements including spinous and transverse processes. The iliac crests exhibit characteristic complex, irregular morphology and a porous surface texture typical of layer-by-layer 3D printing. These high-fidelity models, derived from CT DICOM data, serve as realistic palpable landmarks for medical simulation. The educational focus is on the spatial orientation of the lumbar spine, sacrum, and pelvis, highlighting their clinical relevance in anesthesiology for identifying entry points for epidural or spinal anesthesia.

This sequence of clinical images demonstrates the four steps of endotracheal intubation (ETI) using a polycarbonate barrier box on an airway trainer manikin. The setup is designed to minimize aerosol exposure during airway management. Step 1: An operator wearing personal protective equipment (PPE), including blue gloves, inserts hands through the rear access ports of the transparent box to begin laryngoscopy. Step 2: The operator uses a Macintosh blade laryngoscope to visualize the glottis while an assistant provides a 7.0 mm cuffed endotracheal tube through a side port. Step 3: The operator inserts the tracheal tube into the trachea. Step 4: The tube is secured, the cuff is inflated, and an Ambu-Bag (manual resuscitator) is connected to begin positive-pressure ventilation. The images highlight the ergonomic constraints and procedural adjustments required when performing direct laryngoscopy within a confined barrier enclosure, commonly utilized in protocols for highly infectious respiratory diseases such as COVID-19.

A high-angle clinical photograph displays standard and advanced airway management equipment for endotracheal intubation, positioned alongside a Laerdal Airway Management Trainer mannequin. The equipment includes three types of laryngoscopes: a conventional Macintosh-style laryngoscope with a metal handle and curved blade, and two video laryngoscopes featuring integrated digital screens and specialized curved blades for enhanced glottic visualization. Also present is a Bag Valve Mask (BVM) for manual ventilation. Centrally located is a clear cuffed endotracheal tube (ETT) with an internal stylet bent into a 'hockey-stick' configuration to facilitate insertion; the ETT includes a visible pilot balloon, connector, and depth markings. Ancillary procedural tools include a ruler for measurement and a digital timer for monitoring intubation time. This setup is typical for anesthesia training, emergency medicine simulation, or comparative studies between direct and video laryngoscopy techniques.

This composite educational image illustrates airway management techniques using the VieScope, a novel Miller-shaped (straight) laryngoscope, in comparison to conventional methods. Panel A displays the device, featuring a transparent acrylic glass tube blade that provides 360-degree circular LED illumination and a blue ergonomic handle with a textured grip. Panel B shows the device being used on a medical manikin, demonstrating the line-of-sight visualization through the lumen of the laryngoscope tube. Panel C illustrates the clinical technique for intubation with this device, where a bougie is first introduced through the VieScope to facilitate subsequent placement of an endotracheal tube; the manikin is shown with a cervical collar, simulating a trauma or difficult airway scenario. Panel D provides a contrast with a traditional Macintosh curved-blade laryngoscope, showing the visualization of the glottic opening during direct laryngoscopy. The content focuses on anesthesiology, emergency medicine, and advanced airway management education, highlighting the structural differences and procedural workflow between straight-tube and curved-blade laryngoscopy.