A breath call is an assistive technology device that enables individuals with severe motor skill limitations to activate a call signal or control external devices using only their breath. It serves as a vital communication tool, offering independence and immediate assistance to users who cannot operate traditional call buttons or switches.
How Does a Breath Call Work?
The core functionality of a breath call system relies on detecting minimal respiratory effort. Users activate the device by simply breathing into a disposable straw and filter assembly. This gentle breath triggers a switch, sending a signal to a connected system.
Key operational aspects include:
- Activation by Respiration: Unlike physical buttons, it requires only a puff or sip of air.
- Hygienic Design: Utilizes disposable straw and filter components for cleanliness and patient safety.
- Flexible Positioning: Often features a flexible gooseneck and a universal mounting clamp, allowing it to be easily positioned near the user's mouth, regardless of their posture or bed setup.
Who Benefits from a Breath Call?
Breath call systems are specifically designed for individuals facing significant physical challenges, providing them with a critical means of communication and control.
Common users include:
- Patients with Little to No Motor Skills: Such as those with severe paralysis, spinal cord injuries, or advanced neurological conditions.
- Individuals with Limited Hand/Arm Movement: Who cannot reach or manipulate standard call buttons.
- Patients Requiring Environmental Control: When integrated with other systems, it can control lights, TVs, or door openers.
Components and Features
A typical breath call system is engineered for ease of use and durability, integrating several essential components:
| Component | Description | Purpose |
|---|---|---|
| Straw and Filter | Disposable, hygienic assembly for user interaction. | Direct contact point for breath activation; prevents contamination. |
| Flexible Gooseneck | Adjustable arm that holds the straw assembly. | Allows precise positioning for optimal user access and comfort. |
| Mounting Clamp | Universal clamp for secure attachment to beds, wheelchairs, or tables. | Ensures stability and accessibility in various environments. |
| Cord | A standard length (e.g., 9-foot) cord to connect to a call system. | Transmits the activation signal to the nurse call or control unit. |
| Control Unit/Switch | Internal mechanism that translates breath into an electrical signal. | Converts physical input into a digital command. |
These features ensure that the device is not only functional but also adaptable to diverse patient needs and environments, promoting independence and safety.
Applications and Importance
Breath call devices play a crucial role in enhancing the quality of life for individuals with severe mobility impairments by providing:
- Immediate Assistance: Enabling users to quickly alert caregivers or medical staff in emergencies.
- Increased Independence: Allowing control over their immediate environment, reducing reliance on constant verbal requests.
- Enhanced Safety: Providing a reliable way to call for help, especially during unmonitored periods.
- Psychological Well-being: Empowering users with a sense of control and reducing feelings of helplessness.
For example, a patient in a hospital bed with a severe motor impairment might use a breath call to signal a nurse for pain medication, adjust their bed position, or request a drink. In a home setting, it could be integrated with an environmental control unit to operate lights or a television.
Choosing and Implementing a Breath Call System
When selecting a breath call system, consider factors such as:
- Compatibility: Ensure it integrates with existing nurse call systems or environmental control units.
- Durability and Hygiene: Look for robust construction and easily replaceable, disposable parts.
- Adjustability: A flexible gooseneck and sturdy clamp are essential for proper positioning.
- Ease of Use: Simple activation by breath minimizes cognitive load for users.
Proper implementation involves positioning the device correctly for the user and ensuring they understand its operation. Regular maintenance, including replacing disposable components, is vital for sustained functionality and hygiene. For more information on assistive communication technologies, resources like the Rehabilitation Engineering and Assistive Technology Society of North America (RESNA) offer valuable insights.
