Miniaturization of components is an important part of the design and development of many medical devices, including analytical testing equipment, ventilators, infusion pumps, and the like. Smaller, lighter components save space in the ward and place the device closer to the patient, giving healthcare staff more room to work.
Smaller and lighter components can also increase the portability of many medical devices. For example, a portable respirator allows medical personnel to quickly move equipment from one room to another when needed, without having to configure a large device in front of each bed. Smaller components can also help developers develop small, lightweight wearable medical devices that allow patients to move more freely after recovery or when receiving chronic disease treatment.
Device miniaturization also makes it possible to use sensors in medical devices such as surgical equipment – ​​these devices have not previously used sensors. Sensor manufacturers can help designers reduce the size of medical devices in four ways, including providing flexible package options, reducing sensor IC size, integrating multiple sensor functions, and device intelligence.
Flexible package options
Sensors developed by Honeywell Sensing and Control offer a variety of mechanical interfaces, mounting options, and I/O options that enable medical product designers to choose the package that best fits the overall design of the product. Choosing the right interface also reduces board size and product cost. This is especially important for applications where the sensor needs to be as close as possible to the measurement medium for accurate measurements, for example, dialysate and venous blood pressure are measured during dialysis treatment.
In addition, a variety of mounting options allow designers to more flexibly arrange the sensor's orientation on the printed circuit board (PCB), saving installation space, and simplify product assembly and assembly speed for the best overall system.
For example, when installing options with manifolds, designers do not have to use pipes and associated connections to reduce overall product size. This type of installation benefits many medical devices, including infusion pumps, analytical instruments, respirators, and wound treatment devices .
Smaller sensor integrated circuit
Sensor manufacturers are manufacturers that control the design and manufacture of all components of the sensor, including sensing elements, seals, housings, packages, etc., to optimize the performance and size of the sensing components.
There is an inevitable interaction between the sensor and the surrounding mechanical structure. In order to develop sensors that are as small as possible, manufacturers need to understand the characteristics of all materials and components in the sensor package, including sensing components, plastics, lead sheets, etc., otherwise the best sensors cannot be designed.
For example, respirators used in ambulances are often subjected to extreme temperature conditions, and pressure sensors on the breathing apparatus will expand and contract with temperature changes, resulting in torsional effects such as distortion. If the sensor package moves, shrinks, expands, or twists, the sensor chip will bend, which can affect sensor performance. If the sensor manufacturer can effectively control all manufacturing processes, including materials, sensor chips, and packaging, it is possible to design a sensor with a desired package size by considering changes in sensor performance under different temperature conditions. Adapt to any mechanical or temperature stress.
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