What Are Physical Restraints and When Are They Used?

Physical restraints are among the most regulated and controversial interventions used in healthcare and behavioral health settings. These measures are never a form of treatment but represent a highly regulated intervention intended only to manage immediate safety concerns. Their application is subject to strict legal and ethical guidelines, reflecting the serious impact they have on a person’s autonomy and well-being. Understanding the precise definition, the narrow circumstances of their application, and the significant risks involved is necessary to appreciate why their use remains a topic of intense scrutiny. This article provides a clear overview of what physical restraints are and the stringent conditions under which they may be implemented.

Defining Physical Restraints and Their Clinical Context

A physical restraint is defined as any manual method, physical or mechanical device, material, or equipment that is attached to or adjacent to a patient’s body and cannot be removed easily by the patient. The central function of such a device is to restrict a person’s freedom of movement or their normal access to their own body. This definition applies broadly across various care settings, including acute care hospitals, psychiatric facilities, nursing homes, and long-term care environments.

Devices used for standard medical or protective purposes are typically excluded from the definition of a physical restraint. For example, a surgical dressing, an orthopedically prescribed cast, or a positioning device used to maintain proper body alignment during a procedure is not considered a restraint. Similarly, bed side rails, when used solely to prevent a patient from accidentally rolling out of bed, do not qualify as a restraint. The distinction rests entirely on whether the device’s purpose is to restrict movement that the person would otherwise freely make.

Categories and Examples of Restraint Devices

Physical restraints take several forms, often categorized by the part of the body they affect or the extent of the restriction. One common group is limb restraints, which involve devices like wrist or ankle cuffs, often made of soft material, that secure a person to a bed or stretcher. Mitt restraints, sometimes called “hand holders,” are used to limit a person’s ability to manipulate medical tubing or scratch skin injuries without fully immobilizing the arm. These are considered less restrictive than full limb cuffs but still limit a person’s normal access to their body.

Another category includes torso and positional restraints, which may involve vests, belts, or safety straps placed around the waist or chest. These are designed to keep a person securely seated in a chair or positioned in a bed, preventing them from rising or exiting unassisted. Four-point restraints, which secure all four limbs, represent a highly restrictive measure reserved for managing episodes of violent behavior. A tray attached to a geri-chair or a tightly tucked sheet can function as an environmental restraint if the person cannot remove it to move freely.

Strict Criteria for Clinical Justification

The use of physical restraints is viewed as an intervention of last resort, permissible only after all less restrictive alternatives have been attempted and failed. The primary justification for their application is to ensure the immediate physical safety of the patient, other patients, or staff members. They are strictly prohibited from being used for staff convenience, as a form of punishment, or to manage inadequate staffing levels.

In an emergency, restraints may be initiated by a trained registered nurse, but a physician or other licensed independent practitioner must be notified immediately to provide an order. Federal regulations require a face-to-face evaluation by a qualified clinician within one hour of application to assess its necessity and appropriateness. The initial order for a restraint is always time-limited, typically for only a few hours, and requires frequent, continuous monitoring to check circulation, skin integrity, and the person’s emotional state. The restraint must be discontinued at the earliest possible moment, which is when the behavior posing the immediate threat is resolved, regardless of the time limit specified in the order.

Psychological and Physical Risks, and De-escalation Alternatives

The application of physical restraints carries significant risks, which is why their use is so heavily regulated and discouraged. Physical consequences can include circulation impairment, nerve damage, and skin breakdown, potentially leading to pressure ulcers or deep vein thrombosis due to prolonged immobility. In rare and severe cases, restraints have been associated with accidental death from positional asphyxiation, where the restricted position compromises breathing.

The psychological impact is also profound, often resulting in fear, anxiety, humiliation, and a loss of dignity. Being restrained can cause emotional trauma, potentially worsening underlying psychiatric symptoms and leading to a loss of trust in caregivers and the healthcare system. For this reason, facilities are mandated to prioritize non-restrictive interventions, known as de-escalation alternatives, before any restraint is applied.

Effective de-escalation involves verbal redirection, therapeutic communication, and offering choices to help the person regain a sense of control. Environmental modifications, such as reducing noise and light, or providing a quiet comfort room, can help prevent escalation of distress. Increased one-on-one supervision, identifying the underlying cause of the person’s distress, and offering comfort measures are proactive strategies that must be exhausted before resorting to a physical restraint.