Monday 28 August 2017

SOME ULTRASOUND PROBE DISINFECTANTS AND IT'S CHEMICAL CONTENTS

DISINFECTANT CHEMICALS
1. ACRYL-DES ENTHATEN
BENZYL-C12-18-ALKYLDIMETHYL-AMMONIUM-CHOLIRED
DIDECYLDIMETHYLAMMONIUM-CHLORIDE
C12-18-ALKYL CHLORIDE
2. ACRYLAN DIDECYLDIMETHYLAMMONIUM-CHLORIDE
POLYHEXANIDE
3. AIDAL PLUS GLUTARALDEHYDE
PENTANEDIAL POLYGLYCOL COMPLEX
4. ALCOHOL
5. ETHANOL
6. ISOPROPANOL
7. ANIOSYME-DD1 PROTEASE
LIPASE
AMYLASE
8. ANIOXIDE 1000 HYDROGE PEROXIDE
9. ASEPTI-WIPES PROPAN-2-OL
2-BUTOCYETHANOL
N-ALKYL (68% C12, 32% C14) DIMETHYL ETHYLBENZYL
AMMONIUM CHLORIDE
N-ALKYL (60% C14, 30% C16, 5% C12, 5% C18)
10. BACILLOCID RASANT BENZALKONIUM CHLORIDE
DIDECYL DIMETHYL AMMONIUM CHLORIDE
GLUTARALDEHYDE
11. BACILLOL PLUS PROPAN-1-OL
PROPAN-2-OL
GLUTARAL
12. BACTINYL LINGETTES   

13. DESUNFECTANTES 

14.INODORES
DOUCE CHLORINE
ALCOHOL
15. BIGUACID-S  DIDECYLDIMETHYLAMMONIUM-CHLORIDE
POLYHEXANIDE
16. BODEX FORTE TRIDECANOL
ALCOHOL
C12-14-ETHOXYLATED
AMINO ACID DERIVATIVES
QUATERNARY AMMONIUM COMPOUNDS
HYDROXIDES
17. CAVICIDE ISOPROPANOL
ETHYLENE GLYCOL MONOBUTYL ETHER
AMMONIUM CHLORIDE COMPOUND
18. CIDEX GLUTARALDEHYDE 
19. CIDEX OPA,CIDEX PLUS ORTHO PHTHALALDEHYDE
20. CIDENZYME/ENZOL ENZYMATIC DETERGENT
21. CLEANISEPT WIPES DIDECYLDIMETHYLAMMONIUM-CHLORIDE
QUATERNARY AMMONIUM COMPOUNDS
BENZYL-C12-16-ALKYLDIMETHYL-CHLORIDES
22. CLOROX SPRAY SODIUM HYPOCHLORIDE
MIXTURE OF BIOCIDES
23. CLOROX DISINFECTANT        CLEANERS DIETHYLENE GLYCOL MONOBUTYL ETHER
N-ALKYL DIMETHYL ETHYLBENZYL AMMONIUM CLORIDE COMPOUNDS
24. DIS OPA ORTHO PHTHALALDEHYDE
DIFFERENT BIOCIDES
25.DISPATCH TOWELS WITH BLEACH SODIUM HYPOCHLORIDE
26. ENDOZIME PROTEASE
AMYLASE
DITERGENTS
BUFFERS
ISOPROPYL ALCOHOL
27. GIGASEPT AF COCOPROPYLEN DIAMINGUANIDIN DIACETATE
PHENOXY PROPANOL
BENZALKONIUM CHLORIDE
28. HEXANION G+R POLYHEXAMETHYLENE BIGUANIDE HYDROCHLORIDE
MONOPROPYLENE GLYCOL
ETHYLENEDIAMINE TETRACETIC ACID
TETRASODIC SALT
LAURYL DIMETHYLAMINE ACID
29. HIBITANE CHLORHEXIDINE GLUCONATE
30. INCIDIN FOAM PROPAN-2-OL
ETHANOL
BENZALKONIUM CHLORIDE
31. INTERSEPT DETERGENT BENZALKONIUM CHLORIDE
DIETHYLENE GLYCOL MONOBUTYL ETHER
LACTIC ACID
ALKYL POLYGLYCOSIDE
32. KLENZYME ENZYMES
AMNIOTIC SURFACANT
33. MATRIX PRODUCT PROPRIETARY BLEND
DETERGENT
34. METRICIDE PRODUCTS GLUTARALDEHYDE
35. MIKROZID SENSITIVE      LIQUID GLUTARALDEHYDE
36. MILTON PRODUCTS SODIUM HYPOCHLORIDE
37. OPAL DISINFACTANT  ORTHO PHTHALALDEHYDE
38. PRESFE POWDER DISODIUM CARBONATE
HYDROGE PEROXIDE
CITRIC ACID
SODIUM CARBONATE
39. PL SPRAY ALKYL DIMETHYL BENZYL AMMONIUM CHLORIDE
OCTYL DECYL DIMETHYL AMMONIUM CHLORIDE
DIACTYL DIMETHYL AMMONIUM CHLORIDE
DIDECYL DIMETHYL AMMONIUM CHLORIDE

Tuesday 8 August 2017

CMUTs ARRAYS


  • Capacitive Micromachined Ultrasonic Transducer arrays is a new technology in the field of  ultrasoundsonography.

CONSTRUCTION
  • It contains parallely connected units called cells, made up of silicon.
  • Each cell in the system is a capacitor composed of fixed plate and a flexible plate separated by a vacuum cavity.
  • The vacuum cavity can have any shape.
  • The flexible plate of the system determines the operating frequency of the transducer.
  • Silicon micro matching techniques have enabled the creation of highly efficient CMUTs .


WORKING
  •  If an ac voltage is applied across the flexible membrane , the capacitance of the membrane changes and produce ultrasonic wave in to a medium (as transmitter)
  • If the ultrasound wave is applied across the membrane it will also changes the capacitance produces an alternating signal. (as receiver)

Structure of a 1D CMUT Array

ADVANTAGES 
  • Having higher axial and lateral resolution
  • Higher speed
  • Can easily achieve a fractional bandwidth of over 100% in medical applications.
  • Provides improved 3D and 4D diagnostic applications for areas such as ophthalmology, dermatology, and cardiology.

EXAMPLES OF CMUT ARRAY TRANSDUCERS

  • L22-8v transducer

WHEN WE NEED TO REPAIR THE PROBE ???? Many of the probe damages are repairable at initial state. But in many cases the Practitio...