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helena laboratories

helena laboratorieshelena laboratories is a clinical laboratory instrument and reagent manufacturer. with hundreds of laboratory products and more than 40 registered patents, helena continues to be a market leader in the development of new diagnostic tests. its corporate headquarters is located in beaumont, texas.

block scientific is pleased to provide a wide range of products from helena. the products we offer include, but are not limited to the following.

cascade m-4 coagulation analyzer

cascade m-4, 4-channel analyzer, 6-line screen, 110v / 220v. these are ideal for all routine clotting assays – pts, aptts, thrombins, fibrinogens and factor assays.

thromboplastin reagent

thromboplastin reagent, 200 tests, 10 x 4 ml

thromboplastin reagent is prepared from rabbit brain tissue for use in automated, semi-automated and manual pt tests and assays for factors ii, v, vii and x. reagent is lyophilized; reconstitute with water. reconstituted stability is 7 days at 2-8°c. international sensitivity index (isi) values are between 2.0 and 2.5.

also available: 10×10 ml, 10x20ml

calcium chloride

calcium chloride, 10 x 10 ml

aptt-es reagent is an optically clear, stabilized liquid with a soluble ellagic acid activator. it’s extra sensitive to heparin, lupus-like anticoagulants, and factor deficiencies.

aptt-sa, 10 x 10 ml

aptt-sa reagent, 1000 tests
0.025 m calcium chloride, 1000 tests, 10 x 10 ml

aptt-sa reagent uses a soluble ellagic acid activator to provide a more optically clear reagent, an important consideration for automated analyzers with sensitive photo-optical detectors. ellagic acid reagents also offer excellent precision and sensitivity. aptt-sa reagent is a stabilized liquid available in three convenient kit sizes.

our range of helena products also includes
  • aptt-sa (5x5ml)
  • aptt-es (5x10ml)
  • ab-trol 3 control
  • cascade m printer paper
  • norm-trol 1 control
  • factor v (10x1ml)
  • factor vii (10x1ml)
  • factor viii (10x1ml)    
  • factor ix (10x1ml)
  • factor x (10x1ml)
  • factor xi (10x1ml)
  • factor xii (10x1ml)
  • thromboplastin-mi reagent kits
  • sac-1 specialty assay control
  • owren’s veronal buffer
  • fibrinogen calibrator

for more details about these products from helena and other vendor products, browse our online store. you can also reach us at 1-866-203-5777 and at