Friday, April 22, 2022

ISO 11137-Gamma Sterilization Validation

ISO 11137-Gamma Sterilization Validation

Luckily, there are various notable techniques for cleaning clinical gadgets.  This article, explicitly, will cover gamma illumination as a sanitization technique and its specialist ISO standard, ISO 11137.

What is ISO 11137? 

The international standard ISO 11137 governs the use of radiation to sterilise healthcare products. It’s divided into three sections, each of which covers a different aspect of medical device radiation sterilisation: 

ISO 11137-1: The requirements for establishing, validating, and controlling the radiation sterilisation process are covered in part one of the standard. It includes instructions for sterilising using the radionuclides Cobalt 60 and Cesium 137, which are the two most often utilised gamma emitting isotopes. 



ISO 11137-2: The second part of the standard covers the process that manufacturers will use to establish the minimal dose required to achieve sterility. It also specifies the process for substantiating the sterilising dose of 25 or 15 kiloGrays (kGy). The gamma rays that are emitted as the radionuclide decays are measured in kiloGrays. 

What is the interaction for Gamma Sterilization Validation as per ISO 11137?

The gamma disinfection approval process framed in ISO 11137 is intended to guarantee two basic results:

  1. The desired Sterilization Assurance Level (SAL) is met using a minimum dose of radiation.  The most regularly indicated SAL is 10-6, or one possibly unsterilized gadget for each million.
  2. Product functionality is not compromised by exceeding a maximum dose of radiation. A maximum dose must be established and not exceeded during gamma sterilization because gamma rays have the potential to break down the polymer that are used in many single-use medical devices that require sterilization.

Read More - ISO 11137-Gamma Sterilization Validation


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Monday, April 18, 2022

FDA review process for 510k

The goal of this article is to give a brief idea about FDA 510k medical device submissions process. If a medical device manufacturer wants to sell their medical device in US market then they need to prepare technical dossier, i.e 510(k) which is required by USFDA. 510(k) are the premarket notification which contain technical information, safety information and performance information about medical device. To sell your product legally in US FDA  FDA review process for 510k is needed to review your 510(k) and clear your device. Mostly Class2,Class 3 and IVDs need 510(k)process. 21CFR807 subpart E describes the requirement for 510(k) submission as there is no form for 510(k).US Food &Drug Administration (FDA) is strict about the submission process so it can be challenging for the manufacturer or seller to prepare for 510(k).

FDA review process for 510k medical device submissions:

Process of submission for 510k:

Submitter should start with submitting e-copy of it’s 510(k) to CDRH or DCC (Document Control Center).

 

The chart indicates that  process takes 90 calendar days timeframe ,The submitter expect 7 days for the acknowledgement letter and 15 calendar days for acceptance review decision: substantive review decision within 60 days and final within 90 days. Although this new chart is just a chart and not a track record of FDA review performance, it does provide a much clearer picture of what 510(k) applicants can expect from the US regulator once their registrations get underway.

Read More - FDA review process for 510k


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CDSCO Import License for Medical Devices In India

  Central Drugs Standard Control Organisation is, known as CDSCO, is a regulatory body for the Indian medical devices industry, under the vi...