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ALL SAFE Laparoscopic Box Trainer/Target tissue

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Bill of materials

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Bill of materials
Layer Item Description Fidelity Reusability Quantity Cost (USD) Notes
Target tissue: Ectopic Pregnancy Large cotton socks Not important Reusable 2
Plastic wrap Very Consumable
Fabric glue or stapler Consumable
Penrose drain If Penrose drain unavailable: small

plastic glove for fallopian tube

Very Consumable
Playdough If playdough unavailable: Flour,

Nescafe or food coloring, salt

Mildly Reusable
Toomey Syringe Mildly Reusable
Suture tie Mildly Consumable
Marker Reusable
Tape Reusable
Paper plate Reusable

Fidelity notes and tissue selection

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The simulator is composed of the target tissues:

  • Part A - Uterus
  • Part B - Ovaries
  • Part C - Ectopic contents

Required tools and equipment

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Tape, stapler, scissors and measuring tools (ruler, marker).

Required manufacturing processes and skills

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N/A

Ectopic pregnancy fabrication instructions

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Part A - Uterus

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  1. Take one large sock, stuffing the toe with cotton material (Stuffing can be a matched sock, fabric or lap pad based on availability of materials). This will form the “fundus” of the uterus.
  2. Narrow the foot of the sock by folding the ends over and securing into place with glue or staples to form the body of the uterus.
  3. Trim any excess sock material.

Part B – Ovaries

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  1. Take small (approximately 5x5 cm) squares of cotton fabric and fold into a round ball.
  2. Secure ends with staples or glue.

Part C – Ectopic Contents =

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Note

Playdough is preferable if available. Bright colors will be more visible and thus recommended.

  • If playdough is not available, Make home-made dough with the following recipe:
    • Flour – ½ cup
    • Salt – 1/8 cup
    • Nescafe- 1/8 cup
    • Water – ¼ cup
  • Mix dry ingredients.
  • Add water, mixing thoroughly. Mixture should form a soft ball. If too soft or hard, add flour or water.

Part D – Fallopian tubes with Ectopic Pregnancy

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  • Take the Penrose drain, securing a suture tie approximately 1/3 of the way along one end.
  • Fill a Toomey syringe with dough filling approx. 5-10 cc into the drain, until “ectopic pregnancy” is appropriate size.
  • Tie a second tie to keep the dough in place.
  • Using a marker or pen, place a single circular mark at the superior side of the ectopic pregnancy. This mark will be used later when practicing intracorporal suturing and knot tying skills.
  • Cut 3-4 approximately 1 cm slits in ends of drain to form fimbriae.

Assembly

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Note

It will be easier to perform the operation if you tape the ectopic simulation to a paper plate, and then tape this paper plate to the table for stability

Ectopic pregnancy (target tissue)

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1

Secure tubes to uterus. Using a stapler or fabric glue, secure the center of the Penrose drain to the fundus of the constructed uterus, so that each half is clearly visible to either side. Use plastic wrap to form mesosalpinx. Place uterus, tubes, and ovaries onto a sheet of plastic wrap in appropriate anatomic positioning.

2

Press second sheet of plastic wrap on top. Trim to appropriate size.

Simulator verification

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Use this checklist to ensure that the simulator is correctly made and calibrated.

Cardboard box is stable

The rubber bands correctly hold a phone

All of the pieces are secured together

Page data
SDG
Authors
License CC-BY-SA-4.0
Language English (en)
Related 0 subpages, 5 pages link here
Views 4 page views (analytics)
Created October 7, 2025 by Emilio
Last edit November 4, 2025 by Felipe Schenone
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