Filtryzer BK-F


Filtryzer BK-F

Filtryzer BK-F (Catalog)


The Filtryzer BK-F (PMMA membrane) offers excellent biocompatibility, and it can remove large molecular weight substances and offers various clinical improvement such as patients’ anemia, inflammatory conditions, etc.


This device is the hollow fiber dialyzer which shall be used in acute or chronic hemo dialysis treatment in order that renal failure patients could remove the excessive water in the body and uremic toxins sucha as urea, creatinine, phosphate, β2-MG, etc.

Production sales agency:

Toray Industries, Inc.

Model number, specifications

Filtryzer BK-F:

Type BK-1.3F BK-1.6F BK-2.1F
Fibers Effective surface area(m2 1.3 1.6 2.1
Membrane thickness(μm) 30
Blood volume(mL) 76 94 126
UFR in vitro(mL/hr/mmHg)1) 16 20 26
Clearance in vitro 2)
Urea(mL/min) 183 190 195
Creatinine(mL/min) 160 172 181
Phosphate(mL/min) 144 157 171
Vitamin B12(mL/min) 99 111 128

Sieving coefficient of albumin:ca. 0.03

Inside diameter:200μm, Material:Polymethylmethacrylate(PMMA), Housing material:Polystyrene
Sterilization:Gamma-ray irradiation, Maximum TMP:66kPa(500mmHg)

  1. Bovine blood in vitro Ht30±3%, TP6.0±0.5g/dL, QB=200±4mL/min, Temp:37±1℃, TMP13.3kPa±1.3kPa(100mmHg)
  2. in vitro QB=200±4mL/min, QD=500±10mL/min, QF=10±2mL/min, Temp: 37±1℃

Clearances are data with aqueous solution.