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Using Large-Scale Additive Manufacturing as a Bridge Manufacturing Process in Response to Shortages in Personal Protective Equipment during the COVID-19 Outbreak.

ABSTRACT: The global coronavirus disease (COVID)-19 pandemic has led to an international shortage of personal protective equipment (PPE), with traditional supply chains unable to cope with the significant demand leading to critical shortfalls. A number of open and crowdsourcing initiatives have sought to address this shortfall by producing equipment such as protective face shields using additive manufacturing techniques such as fused filament fabrication (FFF). This paper reports the process of designing and manufacturing protective face shields using large-scale additive manufacturing (LSAM) to produce the major thermoplastic components of the face shield. LSAM offers significant advantages over other additive manufacturing technologies in bridge manufacturing scenarios as a true transition between prototypes and mass production techniques such as injection molding. In the context of production of COVID-19 face shields, the ability to produce the optimized components in under 5 min compared to what would typically take 1 - 2 h using another additive manufacturing technologies meant that significant production volume could be achieved rapidly with minimal staffing.

SUBMITTER: Bishop EG

PROVIDER: S-EPMC7557352 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Using Large-Scale Additive Manufacturing as a Bridge Manufacturing Process in Response to Shortages in Personal Protective Equipment during the COVID-19 Outbreak.

Bishop Elizabeth G EG Leigh Simon J SJ

International journal of bioprinting 20200904 4

The global coronavirus disease (COVID)-19 pandemic has led to an international shortage of personal protective equipment (PPE), with traditional supply chains unable to cope with the significant demand leading to critical shortfalls. A number of open and crowdsourcing initiatives have sought to address this shortfall by producing equipment such as protective face shields using additive manufacturing techniques such as fused filament fabrication (FFF). This paper reports the process of designing ...[more]

PMID: 33088995

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Project description:BackgroundUS nursing homes are required to follow Centers for Disease Control guidance for COVID-19 transmission-based precautions (TBP) when admitting COVID-positive patients.ObjectiveTo assess how frequently nursing homes had shortages of personal protective equipment (PPE) or staffing in weeks when they admitted COVID-positive patients, which likely made it more difficult to follow TBP, and to compare facility characteristics by admissions practices.Design and settingFacility-level data from the Nursing Home COVID-19 Public File for the period between June 7, 2020 and March 7, 2021 was combined with additional data. The percentages of nursing homes that admitted COVID-positive patients and that had shortages when admitting were calculated for each week. Descriptive statistics and logistic regression models were used to examine the relationship between facility characteristics and the likelihood of admitting COVID-positive patients.MeasurementsFacilities were categorized as having admitted COVID-positive patients in a week if one or more admissions requiring TBP were reported for that week. Facilities that reported having less than a 1-week supply of any type of PPE or being short any type of staff in a week were defined, respectively, as having a PPE shortage or staffing shortage in that week.ResultsOver the 40-week study period, 39% of US nursing homes admitted COVID-positive patients in at least 1 week in which they were experiencing PPE or staffing shortages. Facilities that admitted COVID-positive patients with shortages generally had lower Centers for Medicare and Medicaid Services overall five-star ratings than other facilities. Only a small percentage of facilities that admitted COVID-positive patients while facing shortages were located in counties with severe shortages of PPE or staffing. In logistic regression models, shortages were not associated with COVID-positive admissions.ConclusionThe widespread practice of admitting COVID-positive patients while facing shortages may have put nursing home residents and staff at heightened risk of COVID-19 infection.

Dataset Information

Using Large-Scale Additive Manufacturing as a Bridge Manufacturing Process in Response to Shortages in Personal Protective Equipment during the COVID-19 Outbreak.

Publications

Using Large-Scale Additive Manufacturing as a Bridge Manufacturing Process in Response to Shortages in Personal Protective Equipment during the COVID-19 Outbreak.

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