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GD/F20G Prenatal Cervical Change Model

Model:GD/F20G

Brand:General Doctor

For who use:

1. The models are suitable for the training in medical college, nursing school and clinic training institute.

2. They can be used for the training of nurse, intern student, etc.

3. Grass-root medical institute.

Function and Guideline:

1. The group of models has six parts. Vaginal speculum can be used in the observation of the variation of prenatal cervix and birth canal. The inspection of the variation of pre-delivery can also be performed in the models. The inspector should wear sterile gloves before operation, meanwhile, inspector should use French chalk to lubricate the fingers in the glove as well as lubricate the vaginal speculum and the surface of the models.

2. There are six phases in the course of prenatal cervix variation:

Phase 1: The orifice of cervix has no expanding, and the cervical tunnels haven't disappearedat all. The positional relation between the head of fetus and the square of ischial spine is -5.

Phase 2: The orifice of cervix has expanded 2cm bigger, and the cervical tunnels disappear 50%. The positional relation between the head of fetus and the square of ischial spine is -4.

Phase 3: The orifice of cervix has expanded 4cm bigger, and the cervical tunnels disappear absolutely. The positional relation between the head of fetus and the square of ischial spine is -3

Phase 4: The orifice of cervix has expanded 5cm bigger, and the cervical tunnels disappear absolutely. The positional relation between the head of fetus and the square of ischial spine is 0.

Phase 5: The orifice of cervix has expanded 7cm bigger, and the cervical tunnels disappear absolutely. The positional relation between the head of fetus and the square of ischial spine is +2.

Phase 6: The orifice of cervix has expanded 10cm bigger, and the cervical tunnels disappear absolutely. The positional relation between the head of fetus and the square of ischial spine is +5.

Maintenance and Storage:

1. In case of damage, Lubricant should be applied when people practise in the models.

2. Impregnant and corrosive can cause damage, so get rid of the materials during practise. Don't use ballpoint pen to make mark when practise. To clean the surface of the model, people can use soap or warm water, then use napkin or soft cloth tomop up the remain liquid.

3. there are spare parts for replacement.

4. For long-time storage, clear and dry the models. And then store them in a ventilative and dry place.