As medical devices become more intricate, with an increasing number of components made from a wide range of materials, it is important that they meet stringent requirements to ensure that they are safe to be implanted and will not be rejected by the human body. Joining and assembly of medical materials and devices provides a comprehensive overview of joining techniques for a range of medical materials and applications.Part one provides an introduction to medical devices and joining methods with further specific chapters on microwelding methods in medical components and the effects of…mehr
As medical devices become more intricate, with an increasing number of components made from a wide range of materials, it is important that they meet stringent requirements to ensure that they are safe to be implanted and will not be rejected by the human body. Joining and assembly of medical materials and devices provides a comprehensive overview of joining techniques for a range of medical materials and applications.Part one provides an introduction to medical devices and joining methods with further specific chapters on microwelding methods in medical components and the effects of sterilization on medical materials and welded devices. Part two focuses on medical metals and includes chapters on the joining of shape memory alloys, platinum (Pt) alloys and stainless steel wires for implantable medical devices and evaluating the corrosion performance of metal medical device welds. Part three moves on to highlight the joining and assembly of medical plastics and discusses techniques including ultrasonic welding, transmission laser welding and radio frequency (RF)/dielectric welding. Finally, part four discusses the joining and assembly of biomaterial and tissue implants including metal-ceramic joining techniques for orthopaedic applications and tissue adhesives and sealants for surgical applications.Joining and assembly of medical materials and devices is a technical guide for engineers and researchers within the medical industry, professionals requiring an understanding of joining and assembly techniques in a medical setting, and academics interested in this field.
Y. (Norman) Zhou is the Canadian Research Council (CRC) Chair in Microjoining and Professor of mechanical and mechatronics engineering at the University of Waterloo, Canada. His research on microwelding and joining is advancing the frontiers of knowledge in this field and making significant contributions to the increased miniaturization of micro-devices and micro-systems.
Mark Breyen is the Director, Core Technologies at Medtronic Inc., USA.
Inhaltsangabe
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Woodhead Publishing Series in Biomaterials
Part I: Fundamentals of joining and assembly in medical materials and devices
Chapter 1: Introduction to medical materials and devices
Abstract:
1.1 Introduction
1.2 The anatomy of interaction
1.3 Materials for drug delivery
1.4 The metrology of biocompatibility
1.5 Conclusion
1.6 Future trends
Chapter 2: Introduction to joining methods in medical applications
Abstract:
2.1 Introduction
2.2 Welding processes
2.3 Adhesive bonding
2.4 Examples of applications
Chapter 3: Microwelding methods in medical components and devices
Abstract:
3.1 Introduction
3.2 Materials challenges
3.3 Medical components and devices
3.4 Joint design and process selection
3.5 Testing and verification
3.6 Conclusion and future trends
Chapter 4: The effects of sterilization on medical materials and welded devices
Abstract:
4.1 Introduction to sterilization
4.2 Sterilization methods
4.3 The effects of sterilizing on different materials
4.4 The effects of sterilizing on welded joints
4.5 Selecting a suitable sterilization method
4.6 Conclusions
Part II: Joining and assembly of medical metals
Chapter 5: Micro-welding of shape-memory alloys
Abstract:
5.1 Introduction
5.2 Fundamentals of Nitinol shape-memory alloys
5.3 Micro-welding of NiTi
5.4 Future trends
5.5 Conclusion
Chapter 6: Joining of platinum (Pt) alloy wires to stainless steel wires for electronic medical devices
Abstract:
6.1 Introduction
6.2 Material properties
6.3 Material challenges in joining
6.4 The crossed-wire joint
6.5 Joining processes
6.6 Future trends
6.7 Conclusions
Chapter 7: Evaluating the corrosion performance of metal medical device welds
Abstract:
7.1 Introduction
7.2 Measurements of corrosion
7.3 Direct measurements of corrosion current
7.4 Considerations when gathering corrosion data
7.5 Test sample preparation
7.6 Instrumentation and equipment
7.7 Interpretation of data
7.8 Mitigations for weld corrosion
7.9 Future trends
7.10 Sources of further information
Chapter 8: Laser hermetic welding of implantable medical devices
Abstract:
8.1 Introduction
8.2 Hermetic-sealing techniques
8.3 Laser conduction welding
8.4 Focused laser beams
8.5 Laser welding parameters
8.6 Requirements for laser hermetic welds
8.7 Conclusion and future trends
Chapter 9: Validating hermeticity in welded metallic implantable medical devices
Abstract:
9.1 Introduction
9.2 The physics of leak rates
9.3 Measurement of leak rates - testing and verification
9.4 Determining leak rate based on helium content
Part III: Joining and assembly of medical plastics
Chapter 10: Overview of welding methods for medical plastics
Abstract:
10.1 Introduction
10.2 Fundamental processes of plastics welding
10.3 Medical plastics and weldability
10.4 Part and Joint Design
10.5 Processes with external heating
10.6 Processes with internal heating
10.7 Processes with implant welding
10.8 Potential impacts from other manufacturing processes
10.9 Special applications for welding of medical plastics
Chapter 11: Ultrasonic welding of medical plastics
Abstract:
11.1 Introduction
11.2 Ultrasonic-welding processes fundamentals
11.3 Ultrasonic-welding process parameters and control
Part I: Fundamentals of joining and assembly in medical materials and devices
Chapter 1: Introduction to medical materials and devices
Abstract:
1.1 Introduction
1.2 The anatomy of interaction
1.3 Materials for drug delivery
1.4 The metrology of biocompatibility
1.5 Conclusion
1.6 Future trends
Chapter 2: Introduction to joining methods in medical applications
Abstract:
2.1 Introduction
2.2 Welding processes
2.3 Adhesive bonding
2.4 Examples of applications
Chapter 3: Microwelding methods in medical components and devices
Abstract:
3.1 Introduction
3.2 Materials challenges
3.3 Medical components and devices
3.4 Joint design and process selection
3.5 Testing and verification
3.6 Conclusion and future trends
Chapter 4: The effects of sterilization on medical materials and welded devices
Abstract:
4.1 Introduction to sterilization
4.2 Sterilization methods
4.3 The effects of sterilizing on different materials
4.4 The effects of sterilizing on welded joints
4.5 Selecting a suitable sterilization method
4.6 Conclusions
Part II: Joining and assembly of medical metals
Chapter 5: Micro-welding of shape-memory alloys
Abstract:
5.1 Introduction
5.2 Fundamentals of Nitinol shape-memory alloys
5.3 Micro-welding of NiTi
5.4 Future trends
5.5 Conclusion
Chapter 6: Joining of platinum (Pt) alloy wires to stainless steel wires for electronic medical devices
Abstract:
6.1 Introduction
6.2 Material properties
6.3 Material challenges in joining
6.4 The crossed-wire joint
6.5 Joining processes
6.6 Future trends
6.7 Conclusions
Chapter 7: Evaluating the corrosion performance of metal medical device welds
Abstract:
7.1 Introduction
7.2 Measurements of corrosion
7.3 Direct measurements of corrosion current
7.4 Considerations when gathering corrosion data
7.5 Test sample preparation
7.6 Instrumentation and equipment
7.7 Interpretation of data
7.8 Mitigations for weld corrosion
7.9 Future trends
7.10 Sources of further information
Chapter 8: Laser hermetic welding of implantable medical devices
Abstract:
8.1 Introduction
8.2 Hermetic-sealing techniques
8.3 Laser conduction welding
8.4 Focused laser beams
8.5 Laser welding parameters
8.6 Requirements for laser hermetic welds
8.7 Conclusion and future trends
Chapter 9: Validating hermeticity in welded metallic implantable medical devices
Abstract:
9.1 Introduction
9.2 The physics of leak rates
9.3 Measurement of leak rates - testing and verification
9.4 Determining leak rate based on helium content
Part III: Joining and assembly of medical plastics
Chapter 10: Overview of welding methods for medical plastics
Abstract:
10.1 Introduction
10.2 Fundamental processes of plastics welding
10.3 Medical plastics and weldability
10.4 Part and Joint Design
10.5 Processes with external heating
10.6 Processes with internal heating
10.7 Processes with implant welding
10.8 Potential impacts from other manufacturing processes
10.9 Special applications for welding of medical plastics
Chapter 11: Ultrasonic welding of medical plastics
Abstract:
11.1 Introduction
11.2 Ultrasonic-welding processes fundamentals
11.3 Ultrasonic-welding process parameters and control
11.4 Weldability
11.5 Horn design
11.6 Part and joint design
11.7 Process optimization
11.8 Other specific applicat
Rezensionen
"Joining and assembly of medical materials and devices" is the first major text that assimilates a wide range of biomaterial concepts with respect to medical device assembly [.] The editors should be commended on their ability to simplify complex biomaterial concepts through the use of schematic diagrams and tables." --BioMedical Engineering Online
This manuscript provides hundreds of references and a comprehensive review of practical biomaterial concepts and assembly techniques." --BioMedical Engineering Online
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