Canadian Business  Aug 4  Comment 
QUEBEC - Medical technology developer TSO3 Inc. (TSX:TOS) reined in its second-quarter net loss to $1.9 million as expenses fell faster than a
Canadian Business  Jun 8  Comment 
A U.S. regulator has instructed Quebec-based TSO3 Inc. (TSX:TOS) to resubmit additional data and documentation for its Sterizone 125L
Canadian Business  May 12  Comment 
QUEBEC, Que. - The first-quarter loss at medical sterilization developer TSO3 Inc. was unchanged at $2 million or four cents a share despite a 75
Canadian Business  Sep 2  Comment 
QUEBEC CITY - TSO3 Inc. (TSX:TOS) is in negotiations with Post-It Note creator 3M (NYSE:MMM) on a global agreement for the exclusive supply and


TSO3 (TOS on the TSE) is a small-cap company in Canada that manufactures "a low-temperature, high-capacity, general purpose sterilizer designed for use in all medical facilities". They have finished development and testing, have received regulatory approvals, and have begun commercialization.

Their website is here.

Product Overview

TSO3 sells only one product, which makes their business easy to understand. The 125L Ozone Sterilizer uses ozone to sterilize medical instruments. The inputs are very simple (oxygen, water and electricity), the operation is very simple, and the by-products consist only of water vapor and oxygen. The cost is about $1 per cycle.

Recent News

  • On Oct. 31, 2008, speakers on the Q3 conference call confirmed progress on the sterilization of flexible scopes and hope to be able to add flexible scopes to the list of treatable instruments in 2009.
  • On January 3, 2008, the company announced preliminary results on the sterilizer's successful deactivation of prions. Prions are the infectious proteins responsible for bovine spongiform encephalopathy (BSE), more commonly known as "Mad Cow Disease". If later tests confirm deactivation of prions, ozone sterilization will be the only known successful sterilization process.

Competing Sterilization Techniques

  • Steam sterilization techniques run at higher temperatures. The cost is about the same.
  • Ethylene Oxide sterilization (ETO) is more expensive and produces toxic byproducts.
  • Hydrogen Peroxide Plasma is more expensive and has some operator risk.

Sales History

Since the commercialization phase has just begun, it is important to track sales. An annual summary is given below followed by specific sales. The year end is Dec. 31. Quarterly sales are given in brackets.

Year Sales
2008 11 (0, 6, 5)
2007 11 (1, 3, 3, 4)
2006 8 (3, 2, 0, 3)
Total 30

Sales Details

This data was gathered from company press releases. Note that in FY 2008 the company only gives quarterly sales releases.

  • 2008 Q4, at least one unit sold in October. This was mentioned in the Q3 conference call On Oct 31, 2008.
  • 2008 Q3, 5 units sold
  • 2008 Q2, 6 units sold
  • 2008 Q1, 0 units sold
  • 2007 Dec 17, two unit sale to a Canadian hospital replacing two ETO sterilizers.
  • 2007 Dec 11, one unit sale to a hospital in eastern Canada.
  • 2007 Dec 5, one unit sale to a flagship American hospital for an Integrated Delivery Network.
  • 2007 Nov 16, one unit sale to an American hospital.


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