Glossary

Selected key terms pertaining to medical device development are listed below with References.

Key Terms

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There are currently 17 key terms in this directory beginning with the letter H.
harm
injury or damage to the health of people, or damage to property or the environment

[ISO 14971:2019]


hazard
potential source of harm

[ISO 14971:2019]


Note: Basic hazards are directly associated with functional outputs.  Extended hazards are directly associated with extended functional outputs (i.e., indirectly associated with functional outputs).

Hazard Analysis and Critical Control Point (HACCP)
a systematic approach to identify hazards and hazardous situations and to control and monitor the associated risks by focusing on the critical control points in a manufacturing process

[ISO/TR 24971:2020]


hazard cause table (HCT)
table for documenting the causes of hazards and exposure to hazards and the corresponding risk control measures

hazardous situation
circumstance in which people, property or the environment is/are exposed to one or more hazards

[ISO 14971:2019]


health care practitioner (HCP)
a physician or other individual who is a health care provider and licensed under state law to prescribe drugs or devices

[FDA 21CFR99]


health care product
medical device, including in vitro diagnostic medical device, or medicinal product, including biopharmaceutical

[ISO 11139:2018]


health product
medical device; drug; biologic product; human cell, tissue, and cellular and tissue-based product (HCT/P); or a combination product

health professionals
practitioners, including physicians, nurses, pharmacists, dentists, respiratory therapists, physical therapists, technologists, or any other practitioners or allied health professionals that have a role in using a device for human use

[FDA 21CFR810]


health professionals
practitioners, including physicians, nurses, pharmacists, dentists, respiratory therapists, physical therapists, technologists, or any other practitioners or allied health professionals that have a role in using a device for human use

[FDA 21CFR810]


health risk management
medical device risk management that focuses on harm and safety as defined by ISO 14971

health risk management
medical device risk management that focuses on harm and safety as defined by ISO 14971

human cell, tissue, and cellular and tissue-based products (HCT/P)
HCT/Ps refers to human cell, tissue, and cellular and tissue-based products, as defined in §1271.3(d) of this chapter. An HCT/P that is not solely regulated under section 361 of the Public Health Service Act may be a constituent part of a combination product. Such an HCT/P is subject to part 1271 of this chapter and is also regulated as a drug, device, and/or biological product.

[FDA 21CFR4]


human cell, tissue, or cellular or tissue-based product (HCT/P) regulated as a device
an HCT/P as defined in 1271.3(d) of this chapter that does not meet the criteria in 1271.10(a) and that is also regulated as a device

[FDA 21CFR801, FDA 21CFR803, FDA 21CFR806, FDA 21CFR810, FDA 21CFR814, FDA 21CFR820, FDA 21CFR821, FDA 21CFR822, FDA 21CFR830]


human subject
an individual who is or becomes a participant in research, either as a recipient of the test article or as a control.  A subject may be either a healthy human or a patient.

[FDA 21CFR50, FDA 21CFR56]


humanitarian device exemption (HDE)
a premarket approval application submitted pursuant to this subpart seeking a humanitarian device exemption from the effectiveness requirements of sections 514 and 515 of the act as authorized by section 520(m)(2) of the act

[FDA 21CFR814]


Note: An HDE is a marketing application for an HUD.

humanitarian use device (HUD)
a medical device intended to benefit patients in the treatment or diagnosis of a disease or condition that affects or is manifested in not more than 8,000 individuals in the United States per year

[FDA 21CFR814]

Medical device developers are strongly encouraged to consult the listed reference for each key term to fully understand the context behind the definition and its intended application.

Definitions from the FDA Code of Federal Regulation (CFR) are listed without dates and are accurate through December 2020. Consult the listed FDA reference (online) to confirm the latest definition.