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TissueDB/Materials/Batting

From Appropedia
Cut polyester fiberfill batting
Cut synthetic fibre batting (polyester fiberfill) in a museum display — representative of the matted and loose fibre fillings used in medical simulation to build soft-tissue bulk.
License: CC-BY-SA-4.0 by Joep Vogels (Textielmuseum Tilburg)

Batting (also called wadding or fibrefill) is a matted sheet or loose mass of textile fibre used as a filling and padding material (per Wikidata Q4869920, a textile category whose fibres include cotton, wool, synthetic fibre and cotton wool). It is sold in several working forms — polyester batting and polyester fiberfill, cotton batting, cotton stuffing (cotton wool and cotton balls), and wool — in various thicknesses labelled low-loft to high-loft, by fabric, craft, upholstery and pharmacy suppliers. You work with it by cutting sheet forms to size with scissors, teasing loose forms apart by hand to break up clumps, and then layering, packing or wrapping it to build bulk. In medical simulation it provides compressible layered bulk that stands in for fatty, muscular and connective soft-tissue layers, and fills glove-based bowel structures. The everyday cotton forms of it — cotton cloth, and cotton and gauze used together — are cut to size or teased apart, then packed in to pad and bulk out those soft-tissue layers.

Tissues

Tissue Visual Tactile Simulator Notes
Connective tissue (subcutaneous fat plane) Appendectomy Simulator, Open Appendectomy Simulator (Matthews), Z-Plasty Simulator Polyester batting for the subcutaneous fat plane beneath the skin — the Matthews build uses yellow-dyed superficial and deep layers. In the Z-Plasty felt build, cotton batting (cotton cleaning pads a suitable source) forms the soft-tissue dissection layer above the fascia.[1][2][3]
Adipose tissue Appendectomy Simulator, Z-Plasty Simulator Thinner polyester batting layer set deeper in the abdominal wall (Appendectomy). In the Z-Plasty gelatin build, wool is teased into a gelatin:glycerine:water 2:6:12 fat-layer recipe as the fibre substrate.[1][3]
Muscle Appendectomy Simulator, Open Appendectomy Simulator (Matthews), Z-Plasty Simulator Cotton batting layers with marker-drawn fibre striations for the oblique muscles (Matthews notes a cotton-polyester blend). In the Z-Plasty gelatin build, wool reinforces a gelatin:glycerine:water 8:8:2 muscle recipe.[1][2][3]
Bowel (cecum and appendix) Appendectomy Simulator, Open Appendectomy Simulator (Matthews), Acute Appendicitis Simulator Cotton stuffing (cotton balls or loose cotton) bulks the procedure-glove cecum in all three builds; in the Appendectomy build cotton also packs the glove-finger appendix. The glove is the structural form and the cotton provides the fill.[1][2][4]
Mesentery (mesoappendix) Acute Appendicitis Simulator Cotton stuffing (or gauze) layered around a vessel loop and wrapped in plastic film to form the mesoappendix.[4]








References

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  1. 1.0 1.1 1.2 1.3 ASAP (AMPATH Surgical App) team. Instructions to Build your Model, ASAP Syllabus. Global Surgical Training Challenge. ASAP build instructions and ASAP Syllabus course. Not indexed in PubMed; primary source linked directly.
  2. 2.0 2.1 2.2 Matthews J, Bhatia MB, Thomas C, Okoth P, Martinez CR, Levy JS, Stefanidis D, Hunter-Squires JL, Saruni SI (2022). "AMPATH surgical app: Low-cost simulator for the open appendectomy." Surgery 172(6):1656–1664. DOI: 10.1016/j.surg.2022.07.023. PMID: 36123174.
  3. 3.0 3.1 3.2 AmoSmile Physical Simulator. AmoSmile team, Appropedia.
  4. 4.0 4.1 ALL-SAFE Consortium. ALL-SAFE Acute Appendicitis Simulation Build Instructions. Global Surgical Training Challenge; Pan-African Academy of Christian Surgeons, University of Michigan, Southern Illinois University, Soddo Christian Hospital, AIC Kijabe Hospital, and Mbingo Baptist Hospital, 2022. Build instructions PDF and ALL-SAFE source page. Build-instruction document not indexed in PubMed; primary source linked directly.
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