1 Table of contents
2 Abstract
3 Research and Development of medical devices
3.1 Design for Minimally Invasive Surgery
3.2 Methodologies for design and development of innovative devices
3.3 Design of medical components
3.3.1 Microtubes 3.3.2 Materials
3.3.3 Design for manufacturability 3.3.4 Assembly Techniques
3.3.5 Component Outsourcing 3.3.6 Sterilization Methods
3.4 Regulation
3.4.1 Certification aspects: definitions and classification
3.5 Quality system
3.6 Risk Management
3.6.1 The methodology of ISO 14971
4 Muneretto Beam Navigation device
4.1 Analysis of the medical background
4.1.1 Clinical evaluation in patients with AF4.2 Surgical treatments for atrial fibrillation
4.2.1 The Maze Procedure4.2.2 Circumferential pulmonary vein ablation (CPVA) 4.2.3 Radiofrequency ablation endoscopic procedures 4.2.4 Left atrial appendage (LAA) excision
4.2.5 Robotically Assisted AF surgery
4.3 Technological state of the art
4.3.1 Magnetically guided systems 4.3.2 Robots for atrial fibrillation4.4 Analysis and search of materials
4.4.1 Permanent magnets4.4.2 The B-H Curve
4.5 Design History
4.5.1 Muneretto approach4.5.2 Analysis of potential configurations 4.5.3 Finite Element Analysis
4.5.4 Model validation 4.5.5 Main FEA results
4.6 Prototypes and Tests
5 Video drain
5.1 Analysis of the medical background: Anatomy and Complications of
abdominal surgical wounds
5.1.1 Anatomical district
5.1.2 Ethiology and Pathophysiology
5.2 Market Analysis
5.3 State of the art: Commercial systems
5.3.1 Abdominal drainage tubes5.3.2 Endoscopic covers
5.3.3 Trocar for extraperitoneal dissection (Balloon dissectors)
5.3.4 Balloon systems for diagnosis and intervention without insufflation 5.3.5 Abdominal ultrasound
5.3.6 Diagnostic Laparotomy
5.3.8 Analisys of competitors features
5.4 Patent Search
5.5 Design of the device
5.5.1 Analysis of potential configuration and Computer assisted design 5.5.2 Analysis of materials
5.5.3 Final configuration and prototype 5.5.4 Accessories
5.6 Tests
5.6.1 Mechanical tests 5.6.2 Animal trials
5.7 Risk Managment
5.7.1 VideoDrain intended use 5.7.2 Classification5.7.3 Functional Analysis
6 Floseal GI (Gastro Intestinal) catheter
6.1 Analysis of the medical background: bleedings in upper and lower
gastrointestinal tract
6.1.1 GI Endoscopy
6.1.2 Ethiology and Pathophysiology
6.2 Market Analysis
6.3 State of the art: Commercial systems and therapies
6.3.1 Endoscopic injection needles6.3.2 Thermo coagulation 6.3.3 Mechanical Devices 6.3.4 Combined Therapy 6.3.5 Hemostyptic sprays
6.4 Intellectual property
6.4.1 Accessory device: Floseal Matrix
6.5 Design History
6.5.1 Initial Specification 6.5.2 Underlined problems 6.5.3 Connections
6.5.4 Analysis of materials
6.5.5 Final configuration and prototype 6.5.6 Manufacturing process
6.6 Test sessions
6.6.1 In vitro tests 6.6.2 Ex-vivo tests 6.6.3 Control tests6.7 Risk Management
6.7.1 Risk assessment6.7.2 Risk evaluation and control 6.7.3 Sterilisation method
6.7.4 Instruction for Use – IFU 6.7.5 Packaging
7 Conclusions
8 List of publications
Annex I
Classification of Medical devices
Annex II
Annex III
Flow Chart – Risk Management Activities in Design and Development
Grids for Risk and Measures Assessment
Risk Assessment Criteria Measures Assessment Criteria