{"id":95175,"key":"Cervix_and_Vaginal_Canal_(with_Augmented_Feedback)_Simulator","title":"Cervix and Vaginal Canal (with Augmented Feedback) Simulator","latest":{"id":1223840,"timestamp":"2026-01-08T23:31:30Z"},"content_model":"wikitext","license":{"url":"https://www.appropedia.org/Appropedia:Copyrights","title":"CC-BY-SA-4.0"},"source":"{{STARS IUD notice}}\n\n{{Medical equipment data}}\n\nThe STARS (Sexual and Reproductive Health and Rights) - Intrauterine Device (IUD) Insertion module's Cervix and Vaginal Canal (with Augmented Feedback) Simulator will allow nurses, midwives and clinical officers to become confident and competent in maintaining aseptic technique in sounding the uterus, loading the IUD in the sterile package, setting the gauge to the sounded depth, and gently inserting and deploying the IUD as part of copper and hormonal IUD insertion procedures performed in low to middle income countries. The Cervix and Vaginal Canal (with Augmented Feedback) Simulator contains 3 components: (1) Nulliparous Cervix, (2) Parous Cervix, and (3) Vaginal Canal with Augmented Feedback.\n\n== Cervix Models ==\n\n=== Cervix Dimensions and Appearance ===\n\nThe cervix models match the published dimensions on cervical width and length for nulliparous and primiparous women.<ref name=\":0\">Londero AP, Bertozzi S, Fruscalzo A, Driul L, Marchesoni D. Ultrasonographic assessment of cervix size and its correlation with female characteristics, pregnancy, BMI, and other anthropometric features. Arch Gynecol Obstet. 2011 Mar;283(3):545-50. doi: 10.1007/s00404-010-1377-5. Epub 2010 Feb 10. PMID: 20145939.</ref> The average cervix width for nulliparous women is 25.51 mm and average cervix length for nulliparous women is 29.18 mm. The average cervix width for primiparous women is 28.18 mm and average cervix length for primiparous women is 31.89 mm.\n\nThe cervixes are also designed to simulate the appearance of the [https://screening.iarc.fr/atlascolpodetail.php?Index=13&e= os of nulliparous and parous cervixes].<ref>Atlas of Colposcopy: Principles and practice [Internet]. Colposcopy Digital Atlas. World Health Organization; [cited 2021 Dec 11]. Available from: <nowiki>https://screening.iarc.fr/atlascolpodetail.php?Index=13&e=</nowiki>. </ref>\n\n=== Nulliparous Cervix ===\n\n{{Step\n| number = 1\n| title = Collect Supplies\n| caption = Supplies To Make a Nulliparous Cervix: (1) Light Pink Clay (2) Ruler (3) Pencil.\n| text = You will need the following materials:\n\n* Light Pink Clay\n* Ruler\n* Pencil or Chopstick\n\nThe clay should be a oil-based (stiffer) modelling clay, like [https://www.staples.ca/products/1847317-en-crayola-modelling-clay-pastel-8-pack= Crayola Modelling Clay].\n}}\n\n{{Step\n| number = 2\n| title = Make a Nulliparous Cervix\n| text = Roll pink clay into a cylinder 2.5 cm in diameter and 3 cm long.\n| caption = Dimensions For a Nulliparous Cervix: 2.5 cm in diameter and 3.0 cm in length.\n}}\n\n{{Step\n| number = 3\n| title = Create the Os\n| text = Insert a pencil tip or chopstick through the center of the pink clay cylinder to simulate the [https://screening.iarc.fr/atlascolpodetail.php?Index=13&e= smooth, rounded os of the nulliparous cervix].\n| caption = Creation of The Os: Press a pencil into the clay cervix to simulate the os of a nulliparous cervix.\n}}\n\n{{Step\n| number = 4\n| title = Attach Cervix to Uterus Simulator\n| text = Mount the Nulliparous Cervix model on the pegs of the 3D Printed Uterus Simulator.\n}}\n\n=== Parous Cervix ===\n\n{{Step\n| number = 1\n| title = Collect Supplies\n| caption = Supplies To Make a Nulliparous Cervix: (1) Light Pink Clay (2) Ruler (3) Pencil.\n| text = You will need the following materials:\n\n* Light Pink Clay\n* Ruler\n* Pencil or Chopstick\n\nThe clay should be a oil-based (stiffer) modelling clay, like [https://www.staples.ca/products/1847317-en-crayola-modelling-clay-pastel-8-pack= Crayola Modelling Clay].\n}}\n\n{{Step\n| number = 2\n| title = Make a Parous Cervix\n| text = Roll clay into a cylinder 3 cm in diameter and 3 cm long.\n}}\n\n{{Step\n| number = 3\n| title = Create the Os\n| text = Use the tip of the pencil or chopstick to create the \"fish mouth\" appearance of the wider [https://screening.iarc.fr/atlascolpodetail.php?Index=13&e= os of a parous cervix].\n}}\n\n{{Step\n| number = 4\n| title = Attach Cervix to Uterus Simulator\n| text = Mount the Parous Cervix model on the pegs of the 3D Printed Uterus Simulator.\n}}\n\n== Vaginal Canal with Augmented Feedback ==\n\n=== Vaginal Dimensions ===\n\nThe diameter of the opening of a disposable pelvic speculum commonly used in an Ugandan hospital was measured by the Team Lead as 4.5 cm.\n\nThe upper range of linear vaginal length is 95.0 mm from the introitus to the cervix.<ref name=\":1\">Bates CK, Carroll N, Potter J. The challenging pelvic examination. J Gen Intern Med. 2011 Jun;26(6):651-7. doi: 10.1007/s11606-010-1610-8. Epub 2011 Jan 12. PMID: 21225474; PMCID: PMC3101979.</ref> The Pederson medium speculum is 10.0 cm in length, and is an acceptable fit for many patients.\n\nThe vaginal canal is designed to be 4.5 cm in diameter, 14.0 cm in [https://en.wikipedia.org/wiki/Circumference circumference], and 13.0 cm long (10.0 cm + 3.0 cm) to account for the vaginal length and cervix length.<ref name=\":0\" /><ref name=\":1\" />\n\n=== Materials ===\n\n* Paper\n* Aluminum Foil\n* Scissors\n* Alligator Clips\n* Tape\n* Ruler\n* Buzzer\n* 9 V Battery\n\n=== Assembly Video Instructions ===\n\n{{Video\n| video = https://youtu.be/sy3TvXbrcyg\n}}\n\n== IUD Insertion Simulator ==\n\n=== Materials ===\n\n* 3D Printed Uterus Simulators (with 5.0, 7.0, and 10.0 cm uterine depths)\n* Nulliparous and Parous Cervix Models\n* Vaginal Canal (with Augmented Feedback)\n* Metal Uterine Sound\n* Alligator Clip\n\n=== Assembly Video Instructions ===\n\n{{Video\n| video = https://youtu.be/sArcmaVLp3E\n}}\n\n== References ==\n\n<references />\n\n{{Page data\n| part-of = STARS - Intrauterine Device (IUD) Insertion\n| keywords = long-acting reversible contraception, intrauterine device, intrauterine contraceptive device, IUD, IUCD, copper IUD, hormonal IUD, levonorgestrel-releasing intrauterine system, LNG-IUS\n| type = Medical equipment\n| organizations = Medical Makers\n| sdg = SDG03 Good health and well-being\n| description = Medical simulators improve training and safety. Appropedia explains how cervix and vaginal canal models teach precision and hygiene.\n}}"}