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Cordocentensis coach – jj

Cordocentensis coach

A simulation of a gravid abdomen for learning percutaneous umbilical blood sampling (cordocentesis).

* Familiarisation and use of ultrasound equipment
* Identification of ultrasound calling signals
* Recognition of placental/foetal cord
* Needle insertion and placement under ultrasound
* Withdrawal of foetal blood


* Excellent image and realism used with any ultrasound equipment
* Contains a foetal cord, filled with mock blood, suspended in gel (does not include foetus)
* Includes 2 placentas, one in the anterior and the other in posterior aspect, enabling both direct and transplacental approaches to the cord
* The mock blood in the foetal cord can be replenished
* Can be used for needle insertion and placement for amniocentesis training, however no fluid can be withdrawn from the amniotic sac
* Self-sealing abdomen and cord can be pierced repeatedly providing a durable, long-lasting and cost effective model


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  1. Is the needle always passing through the placenta? Or could the practitioner have chosen to enter the cord from the other side? What if the placenta is located on the dorsal side, then it would be “impossible” to gain access?

  2. Yes, it is different from the amniocentesis.
    This procedure can also be used for diagnostic purposes such as karyotyping, as well as the amniocentesis. However, it can also be used to take fetal blood gases, antibody titers and in some cases when an intrauterine fetal transfusion is necessary.
    It has a 1-2% procedure related pregnancy loss.
    Reference: Kaplan Lecture Notes: OBGYN

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