KOKEN Breastfeeding
Simulation Set
LM-113A

KOKEN Postpartum Breast
Care Model
LM-113Latch on mask for
KOKEN Baby
LM-113B

Instruction Manual
Thank you for purchasing our products.
Please read this instruction manual carefully to ensure the correct use of the products,and store it in a safe place for easy access.

KOKEN CO., LTD.
1-4-14 Koraku, Bunkyo-ku, Tokyo 112-0004 JAPANURL:http://www.kokenmpc.co.jp
E-mail:customer@kokenmpc.co.jp© 2017 KOKEN CO.,LTD.
C-1-1031-1-01-00

Handling and Safety Precautions
These precautions must be observed strictly to ensure safe long-term
use of the product.
The following precautions should be strictly observed:
1. This model is made of special materials with texture similar to human skin. The model mustbe handled carefully in the same manner as handling an actual person. The model may bedamaged when pulled with force or used in contact with sharp objects.
2. Do not place any objects directly on the model, and do not place the model breast skin-side
down. The model may become deformed.
3. If the skin becomes sticky or after it is wiped to clean, apply baby powder to reduce friction.
4. Never use organic solvents, such as thinners or benzin. The model will be damaged whenthese solvents are used.
5. This model may become deformed when stored for a long period at low or hightemperatures. The materials may be deteriorated, deformed, or discolored when exposed todirect sunlight or ultraviolet light. Hence, when storing the model, avoid exposure to direct
sunlight and ultraviolet light.
6. Never use oil-based ink, pencils, chalk, and paint on the model. They will soak into the modeland cannot be erased.
7.

This model can be neither dry-cleaned nor machine-washed. For cleaning, see “5. Instructionsfor Care” on Page 12.

8. The air pump of the breast bag must be pressed about 8 to 10 times, or 15 times at themaximum. Be careful, as the bag may be damaged when it is inflated too much.
9. Deflate the breast bag before storage. Storage without deflating may cause deformation.
10. The breast bag may be deformed over the years. Check its function about three years after
the purchase. If the function is affected by deformation or other changes, consider replacingwith a new bag.

1. The contents of this instruction manual are subject to change without notice.
2. This instruction manual may not be reproduced in part or in its entirety without permission.
3. Please contact the manufacturer in the event that any errors or omissions are found in the contents of thisinstruction manual.
4. These products must be used only as described in this instruction manual. In particular, the products mustnot be used in any way that contravenes the precautions noted in the instruction manual.

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Table of Contents

1. Outline and Features
2. Names of Parts and Structure
3. Handling Instructions KOKEN Postpartum Breast Care Model
4. Handling Instructions Latch on mask for KOKEN Baby
5. Instructions for Care
6. Specifications

21. Outline and Features
Outline
KOKEN Breastfeeding Simulation Set, KOKEN Postpartum Breast Care Model, and Latch on maskfor KOKEN Baby are the optimum educational tools for the training of breastfeeding support
and breast care.

Features
1. Appearance and texture that are close to human skin are achieved by using special silicone
rubber as a material.
2. Users can feel adequate close fit when wearing the model and can take a natural breastfeeding
position.
3. By attaching Latch on mask for KOKEN Baby on your KOKEN Baby, users can practice thesupport for an appropriate latch of babies and breastfeeding posture.
4. By taking an appropriate breastfeeding position and achieving a latch at an appropriate
position, users can confirm the condition of an appropriate latch.
5. Engorgement of breast can be simulated by inflating the breast bags.

Possible training points
・ By using both KOKEN Breastfeeding Simulation Set and KOKEN Baby, users can practice the“hands-off” approach of the support for breastfeeding.
・ Users can observe the nipples and breasts, and thus practice their care.
・ Simulation of engorgement of breast enables the observation of engorgement and thepractice of care for the reduction of engorgement.
・ Users can learn through experience that a correct latch cannot be achieved when the breast isengorged.

3

2. Names of Parts and Structure
KOKEN Postpartum Breast Care Model①③②④⑤

Name of the part

QuantityHarness

1③

Baby powder

1⑤Breast bag (right and left)①②④Air pumpProtective board

Instruction manual (this brochure)41
11 pair1

Latch on mask for KOKEN Baby

NameQuantity

Latch on mask for KOKEN Baby1

Instruction manual (this brochure)1

KOKEN Breastfeeding Simulation Set
The set consists of KOKEN Postpartum Breast Care Model and Latch on mask for KOKEN Baby.

5

3. Handling Instructions KOKEN Postpartum Breast Care Model
3-1 How to wear
1. Fit the chest part of the model to the chest of the wearer, and then fasten the shoulder belts.

2. Fasten the back belt.

Back belt* When the back belt is loose (for instance, when the wearer is thin), fasten the supplementary
hook and loop fastener.

Supplementary hook and loop fastener

3. If the harness becomes loose, fasten again so that the model fits the body closely.

63-2 Adjustment of engorgement of breast
The hardness and shape of breasts can be adjusted by inflating and deflating the breast bags.
1. Attach the connector of the air pump to the two-way cock.

Connect the lure lock to the connecting
port of the two-way cock.

2. Turn the handle of the two-way cock to open; close the valve of the air pump and inject the air.
Close

Open
* To reduce the volume of the air, loosen the valve of the air pump to let the air out.

Normal condition

Engorgement* Press the air pump for about 8 to 10 times, or 15 times at the maximum.
* Be careful, as the bag may be damaged when it is inflated too much.

7

3. After completing the adjustment of air, turn the handle of the two-way cock to close andremove the connector of the air pump.

Close

4. Secure the air tube with the hook and loop fastener under the arm so that the tube does not
get in the way.

Hook and loop
fastener for securing
the air tube

* To change the hardness, deflate the bag once and then inflate it again.
* After finishing the practice, turn the handle of the two-way cock to open and deflate thebags.

8

3-3 Attaching and removing breast bags
When applying baby powder inside the breast skin or washing the model, remove the breastbags.

How to remove
1. Remove the protective board and lift the flap of the harness.
* Do not discard the protective board by mistake.

2. Slowly remove the breast bags from the opening on the backing sheet.
* Do not pull with force or hook with sharp objects. The model may be damaged.

Breast bags can be removed easily bystartingfrom the lower edge while	 	 enlarging the opening of the backing sheet.

Backing	  sheet	 9How to attach
1. Lift the flap of the harness, and then slowly push the breast bags into the harness from theopening in the center of the backing sheet.

Breast bags can be placed easily in theharness by starting from the upper	 	  edge while enlarging the opening of	  the backing sheet.	 

2. Position the air tubes so that they come out downward.

3. Put the protective board back.

4. Confirm the position of the breast bags by looking at the model from the breast skin-side andadjust the bags so that they look natural.	 	 	 The wrinkles will	 disappear when themodel is worn.

104. Handling Instructions Latch on mask for KOKEN Baby
4-1 How to attach
1. Cover the face of KOKEN baby with Latch on mask for KOKEN Baby starting from the jaw.

The ears of the mask do not	 reach the ears of KOKEN Baby.	 	 

*If the mask is sticky and hard to attach, apply baby powder inside the mask and the head ofKOKEN Baby.
2. Fasten the hook and loop fastener on the back of the head.

4-2 How to use
By using it with KOKEN Postpartum Breast Care Model, users can practice the appropriate
support for breastfeeding or an appropriate latch.

11

5. Instructions for Care・ Clean the skin of the products by wiping the surface with neutral detergent or alcohol pads.
After drying, apply the powder.
* Do not use solvents, such as thinners and benzin.
・ Clean the cloth parts by gently patting them with a piece of cloth dampened with neutral
detergent, and wring out.
・ When the cloth parts are heavily soiled, remove the breast bags and the protective board;
hand-wash the rest by gently pressing with regular washing detergent in lukewarm water (upto 30°C).
* Handle the breast skin part as gently as possible in the same way you handle human skin.
The model may be damaged when it is pulled with force or comes in contact with sharpobjects.
* Air-dry the model sufficiently after washing. Leaving it moist will cause odor or mold.
* Do not use chlorine bleach.
* Do not iron.
・ This model cannot be dry-cleaned or machine-washed.

126. Specifications
Main materials of each part
KOKEN Postpartum Breast Care Model
Name of the partMaterial

Harness

100% cotton

Breast bag

Urethane

Breast skin

Silicone

Latch on mask for KOKEN Baby
Name of the partMaterial

Mask

Silicone

Size, weight
KOKEN Postpartum Breast Care Model
Weight
KOKEN Postpartum Breast Care Model

Approximately 1.6 kg

Latch on mask for KOKEN Baby
LengthWidthHeightWeight

Approximately 15 cm

Approximately 13 cm

Approximately 12 cm

Approximately 96 g13