Ellab performs qualification and/or validation of depyrogenation ovens & Tunnels throughout North America for our clients. Qualification and/or validation. Depyrogenation Validation. Depyrogenation Tunnel K1. Study made using TrackSense loggers and sensors from Ellab A/S Denmark. Validation Protocol for Sterilization and Depyrogenating Tunnel used in sterile the sterilization and depyrogenation tunnel to sterilize & depyrogenate different.

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U.S. Valdiation Services – Depyrogenation Tunnel

Shazia Assistant manager validation fgh yahoo. Traditional thermocouples have the issue of feeding into the tunnel and then the potential for them to move is present. My question is, should the glass vials selected to carry the thermosensors falidation on the same line or theses glass vials should be selected randomly or based on a specific load schedule although we are referring to a tunnel?

You may want to change the belt speed based on these values, and determine your edge of failure.

Without knowing the tunnel configuration, could be the middle or one side. The review highlight the theoretical concept of depyrogenation and the various tests performed for the qualification of Depyrogenation Tunnels. We are trying to shorten our oven depyrogenation cycle from 3 hrs dwell at C to 15 min dwell C.

Data Logger with 12 Probes duly calibrated. Suspend the 12 probes inside the vial and put into tunnel for Heat Penetration Study. Rate of speed, minimum, maximum and nominal, will be measured and verified. You should be able to discern the belt location that is your worst case, empty by FH values. Depyrogenation devices, such as tunnels, are used in the pharmaceutical industry to prepare components for aseptic filling.


To qualify the test the equipment should fulfill the acceptance criteria described in the individual test procedures. Air flow pattern should be unidirectional and non turbulent. We are having the Sterilisation tunnels for both amp. User Username Password Remember me.

Depyrogenation Tunnel Validation – EQUIPMENT VALIDATION – Learnaboutgmp Community

Is there any correlation graphy is there for Vs for finding the D value. Also place one in the depyrovenation belt location from the empty chamber. At least one heat penetration study using thermocouples will be performed on each vial size. A minimum of a three log reduction in endotoxin must be demonstrated.

Can u help me buy providing a validation protocol in full detail. Click here for advertising rates! Ankur Choudhary Print Question Forum 2 comments.

Sign-up for the free email updates for your daily dose of pharmaceutical tips. To determine cold spots.


The Tunnel zones are balanced per the manufacturer specifications. Dear Meyert thank you very much for your quick response. The unit is supplied with heat resistant HEPA filters Operational Qualification In addition to the common requirements outlined in the “General” section, the galidation differential pressures prevent air travel from the dirty to clean areas. What about overkill parameters? Leakage in the filter should not be more than 0. Monitor Tunnel differential pressure during the depyrogenation period.


Heat delivery and depyrogenation will be monitored by thermocouples and endotoxin reduction respectively. Join Log In 8. Count 5 C 5.

Therefore, I will have to proceed with the existing means. I persume the tunnel must be loaded with the glass vials selected as worst cases ; the thermosensors inserted on 8 vials and have them again pass through the tunnel for the requested period of time. I am wondering as to the Z-values to use during verification of tunnel cooling zone sterilization. Your help is very much appreciated, since I have to perform the validation tomorrow noon.


Kaye makes a wireless temperature device and a thermal shield for tunnel applications. Beyond the usual engineering aspects of validation with regard to specification, installation, commissioning, qualification, and calibration, the two important aspects of validation of dry heat processes are thermal validation and endotoxin validation.

Physical handling of containers will be monitored. Although the pharmacopoeias state the acceptance criteria, little consideration is given to the practical approach. Maximum number of permitted particles per cubic meter equal to or above. The manufacturer has provided the set point for temperature but no other data such as belt speed, which we will have to identify with respect to remaining time in order to achieve the requested Fh value. Dear Forum, What z-value and reference temperature value shall be used in calculating Fh for a depyrogenation cycle, using dry heat oven?

Non Viable particle counter. Hi Dear Shahnawaz Plz let me know regarding the calculation of 3 log reduction of endotoxins in case of tunnel validation.

Name of Testing Instrument: All instruments shall be calibrated before starting and after completion of validation studies. Minimum cumulative F H location will be determined for informational purposes only. Then you can use your spiked vials to demonstrate adequate pyrogen destruction.

I am in the process of validating an oven for the depyrogenation process.