Summary of clause 4 QMS
Requirements
Document a quality management system (QMS)
Maintain the effectiveness of your QMS
Establish any requirement, procedure, activity or arrangement
Implement any requirement, procedure, activity or arrangement
Maintain any requirement, procedure, activity or arrangement
Document the roles undertaken by the organization under the applicable regulatory requirements
Determine the processes needed for the QMS and the application of these processes
Apply a risk based approach to control the processes needed for the QMS
Determine the sequence and interaction of these processes
Determine criteria and methods to ensure process effectiveness and control
Ensure the availability of resources and information needed to support process operation and monitoring
Implement actions to achieve planned results and process effectiveness
Monitor, measure and analyze these processes
Establish and retain records needed to demonstrate conformity with ISO 13485 standard and with applicable regulatory requirements
Manage QMS processes
Evaluate the impact of changes on the QMS
Evaluate the impact of changes on the medical devices produced under this QMS
Control the process changes
Monitor and control outsourced processes
Retain responsibility of conformity
Keep controls proportionate to the risks involved
Include in the controls written quality arrangements
Document procedures for the validation of software used in the QMS
Validate software applications prior to initial use and after any change
Keep validation and revalidation activities proportionate to the risk associated with the use of the software
Retain records of these activities
Document a quality manual and quality objectives
Include the quality manual in documented form
Include documented procedures and records required by the standard ISO 13485
Include documents and records, determined by the organization as necessary to ensure the effective planning, operation and control of its processes
Include other documentation related to applicable regulatory requirements
Prepare a quality manual including the scope of the QMS
Document a quality manual with documented procedures
Document a quality manual with interaction between processes of the QMS
Outline the structure of the documentation of the QMS
Establish and maintain a file containing documents to demonstrate conformity to the requirements of the standard ISO 13485 and applicable regulatory requirements
Include in this file a description of the medical device, intended use and labelling
Include in this file product specifications
Include in this file manufacturing, packaging, storage, handling and distribution specifications
Include in this file measuring and monitoring procedures
Include in this file installation requirements
Include in this file servicing procedures
Control required QMS documents
Control records
Review and approve documents
Review and re-approve documents
Ensure identification of changes and current revision status
Ensure availability at points of use of relevant versions of applicable documents
Ensure legible and readily identifiable documents
Ensure that documents of external origin are identified and their distribution controlled
Prevent deterioration or loss of documents
Prevent the unintended use of obsolete documents
Ensure that changes to documents are reviewed and approved by authorized persons
Define the period for which obsolete documents will be retained
Ensure a period for which documents will be retained at least equal to the lifetime of the medical device, but no less than the retention period as specified by applicable regulatory requirements
Retain records as evidence of meeting requirements
Provide evidence of the effectiveness of the QMS
Document the procedure for control of records
Define and apply methods for protecting confidential health information
Keep records legible, readily identifiable and retrievable
Keep changes to records identifiable
Retain records at least at least equal to the lifetime of the medical device
Processess 
Manage documentation
Procedures 
Validation of software
Document control
Record control
Records 
role of the organization
process control
validation of software applications
general QMS documentation
regulatory requirements
medical device file
control of records