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Chemical, physical and mechanical analysis of explanted breast implants
C J Wolf1, H J Brandon, V L Young
1Washington University, St. Louis, MO 63130, USA.
Current Topics in Microbiology and Immunology
|January 1, 1996
Summary
The mechanical properties of silicone implants may degrade over time, potentially affecting their strength. Further research with control samples is needed to confirm these findings and quantify the impact of the body
Area of Science:
- Biomaterials Science
- Medical Device Engineering
- Materials Science
Background:
- Silicone implants are widely used in various medical applications.
- Understanding the long-term durability and degradation of silicone implants is crucial for patient safety and device efficacy.
- The influence of the physiological environment on implant properties requires thorough investigation.
Purpose of the Study:
- To evaluate the chemical and biomechanical properties of explanted silicone implants.
- To investigate the relationship between the duration of implantation and the degradation of implant properties.
- To assess the potential impact of the silicone gel filler on the structural integrity of the implant shell.
Main Methods:
- Measurement of chemical and biomechanical properties of explanted silicone implants.
- Analysis of implant properties based on time of implantation, ranging from 0 to 21 years.
- Assessment of gel consistency variation across different manufacturers and production dates.
Main Results:
- Preliminary data suggest a decrease in implant properties with increasing time of implantation.
- Significant variability in gel consistency was observed between different manufacturers and manufacturing dates.
- The data are consistent with the hypothesis that the silicone gel may influence the cross-linking and strength of the silicone shell.
Conclusions:
- Explanted silicone implants may exhibit degradation of chemical and biomechanical properties over time.
- Variations in gel consistency highlight the importance of manufacturer and manufacturing date in implant performance.
- Further studies, including correlation with control samples and quantification of physiological environment effects, are necessary to fully understand implant durability.