Information about HyStool®

INFORMATION 2018-11-15T20:43:37+00:00

HyStool® – Stool sample collection device.

HyStool® is a stool sample collector for use in medical tests such as the FIT based bowel cancer screening test, for crohn’s, colitis or any other test requiring a faecal stool sample. HyStool® is made from pva plastic and provides the simplest and most hygienic way to complete an unpleasant but necessary procedure.

HyStool® is a registered trade mark and all rights are reserved. Patent pending.

1. PVA Plastic.

HyStool® bags are made from PVA plastic – Polyvinyl Alcohol. PVA is  a water-soluble synthetic polymer which has high tensile strength and flexibility. PVA is non toxic and biodegradeable. PVA is considered to be eco-friendly and it will dissolve quickly when it comes into contact with water. The  final degradative products of PVA are carbon dioxide and water.

PVA is used mainly for dissolvable packaging. It is heat sealable and convenient for packaging products in dissolvable bags. It is used for sanitary laundry bags used by hospitals to contain soiled clothing. The bags simply dissolve in the washing machine leaving no residue on the clothes.

PVA can be found as the envelope containing laundry detergent “liqui tabs” and is widely used in freshwater sport fishing. Small bags made from PVA are filled with bait and thrown in the river where they dissolve near the hook to attract fish.

PVA can be made to dissolve in hot or cold water. Our HyStool® bags dissolve in cold water so that they can be safely flushed down a toilet. HyStool® bags will dissolve quickly without causing any blockages whilst being safe for the environment. Unlike many other flushaway products the HyStool® stool sample collector bags dissolve 100%.

2. Water Soluble Stickers.

The Water Soluble Stickers that we use are paper based. They are biodegradable and require no toxic chemicals to be removed, they are environmentally friendly too. Like our HyStool® bags our stickers are safe to flush down a toilet after use. The stickers come pre-attached to the bag.

To apply the stickers simply peel off the backing paper and use them to stick the bag to the toilet seat or toilet rim. In the unlikely event that they leave a sticky residue after removal simply wipe it away using a damp cloth.

hystool stool sample collection bag fitted to a toilet seat

3. HyStool® Stool sample Kits – Dimensions

The standard HyStool® home stool sample collection kit comes with two bags, and instructions all contained in a resealable plastic bag. The resealable plastic bag containing our device measures 21cm x 13cm and weight of this kit is 21g. Each bag weighs approximately 10g.

The two bag kit was designed with the Faecal Immonochemical Test (FIT) in mind. This test requires only one stool sample. We have included two bags in this home test kit in the unlikely event of there being a problem in using the first bag.

This two bag stool sample kit was designed to easily fit inside the NHS envelope that is sent out with the bowel cancer screening test. Including HyStool® in this kit would encourage more people to carry out the NHS bowel cancer screening test. (If you agree then please feel free to let the NHS or your local MP/MSP know.)

nhs faecal immonochemical test - stool test kit for bowel cancer screening

We now have a four bag kit to accommodate areas / countries where the older 3 sample bowel cancer screening test is still in use.

For clinics sending out testing kits then a single bag accompanied by written usage instructions will normally suffice. Please contact us should you require individual bags for this purpose.
Reduced prices are available for larger orders.

Larger packs suitable for hospital / clinic use are available on request. Please contact us for more information.

4. Faecal Immonochemical Test (FIT)

The Faecal Immonochemical Test (FIT) is the new bowel cancer home testing kit first introduce in Scotland it is now being rolled out across Britain.  Like the old bowel cancer screening test FIT looks for hidden blood in stool samples, which can be an early sign of bowel cancer.

Deborah Alsina, Chief Executive of Bowel Cancer UK, said: “The Faecal Immunochemical Test has been proven to be more accurate and easier for people to complete than the current test”.

Initial results in Scotland show a promising increase in the number of people doing the test although the percentage increase is difficult to gauge as the new test also came with better instructions.

The Faecal Immonochemical Test does not come with any means of collecting a stool instead the recommendation is that you either  put layers of toilet paper into the bottom of a toilet (in the optimistic hope that the paper will stop the stool falling into the toilet water and not block the toilet), or use a container like an ice cream tub which you place by hand inside the toilet bowl … and retrieve it again when finished.

Neither of these solutions is ideal and we would again say that including HyStool® as part of any screening test kit will make stool collection much simpler and hygienic. As a result more people will do the test and this would lead to more detections and reduced healthcare costs.

HyStool® stool sample collector the simple and hygienic solution .. which is simply flushed away.

hystool stool sample collection bag on toilet seat
stool test bag ready for bowel screening test
stool sample bag fitted to toilet seat
sample bag collecting faecal matter before flushing

Buy HyStool®

HyStool® is now available for sale.
The price for 2 bags with pre-attached stickers is currently £3.50. (Free P&P)
To buy HyStool® with “Paypal” use the button below.


Hystool inc P&P



buy hystool with paypal

Please note prices with postage quoted are for purchases within the United Kingdom. For international postage rates please contact us.