Position-guided Irrigation
Position-guided Irrigation - Related Videos
01:27
Design Example: Design of an Irrigation Channel
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2025
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
09:31
Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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Cited by 25 •
2018
This protocol describes the round-the-corner technique and the individualized stem-positioning of calcar-guided short stems alongside the medial calcar, depending on the level of the osteotomy. This differs from conventional total hip arthroplasty and includes a learning curve.
08:38
Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
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Cited by 5 •
2021
The single-position, prone, lateral approach allows for both lateral lumbar interbody placement and direct posterior decompression with pedicle screw placement in one position.
02:32
Position-effect Variegation
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2020
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
01:03
Serial Position Effect
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2025
The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
FAQs
Patient posture establishes the direction in which fluid tends to move, while gravity assists its travel toward the intended area and toward a drainage pathway. Fluid pressure and flow direction then influence how effectively the irrigant reaches the target. Coordinating these factors can improve contact with the treatment site without relying on fluid delivery alone.
Effective drainage allows mucus, blood, debris, or other material to leave the treated area instead of remaining where it could obstruct visibility or interfere with fluid contact. Position therefore has two linked functions: directing irrigant toward the target and supporting its removal afterward. This balance contributes to more consistent lavage and cavity cleansing.
A change in body position can redirect the path of an irrigating fluid and modify which region receives the greatest contact. It may also improve access to a drainage route, depending on the cavity or procedural setting. Because flow direction and drainage respond to posture, selecting a suitable position is part of controlling the irrigation outcome.
The clinician first considers the target area, the desired direction of fluid movement, and the route needed for drainage. The patient is positioned accordingly, and irrigation is then delivered under controlled conditions while fluid movement and removal of material are assessed. These steps help maintain contact, support cleansing, and preserve procedural consistency.
This approach may be useful during selected clinical, endoscopic, or surgical procedures that require lavage or targeted fluid delivery. It can help cleanse a cavity, remove mucus, blood, or debris, maintain visibility, or prepare tissue for further treatment. Its value depends on whether posture can meaningfully improve fluid contact and drainage at the procedural site.
Controlled positioning and irrigation can support clearer visualization by helping remove material that obscures the field. The same process may cleanse a cavity or deliver fluid to a selected tissue region before additional treatment. In medicine, these outcomes can improve procedural consistency and help clinicians manage the relationship between fluid delivery, target contact, and drainage.