Feature: Connectors
Plastic push-pull connectors are oſten
chosen for household medical devices as a cost-effective alternative to metal. Teir small footprints make them ideal for portable or wearable devices, so patients are not burdened by bulky, complex machinery. Home devices also need to be robust
enough to take rough handling. Patients carrying their devices in a bag or pocket may cause wear and tear to the components. Plastic is preferable to metal because if a connector is damaged, plastic connectors are easier to source and cheaper to replace.
Protecting the internal components To prevent damage to connector and cable, LEMO Redel designs its plastic push-pull connector latching systems with outer release sleeves, ensuring that the connection is not broken if someone pulls on the cable; see Figures 1 and 2. If the connector must be decoupled from the device in a hurry, the user can simply pull on the outer release sleeve for quick release. Protecting interconnects and contacts is
an important consideration when designing connectors for medical devices. Tis is because the connectors need to handle higher data rates and density, to support greater data acquisition and transfer. If the need for remote patient monitoring continues to increase, it will be vital that the electronic elements and connector are safe and efficient. Reliability and ease of use are also a must
for medical device connectors, regardless of whether they are used in hospital or at home. LEMO Redel plastic push-pull connectors are simple to operate and can be colour-coded to prevent accidental mismatching. Te housing material can be sterilised without the risk of water ingress; see Figure 2.
Trust, above all else Just as patients need to trust their doctor, medical device OEMs must be able to trust that their suppliers are equipping them with the right connectors. PEI-Genesis is meeting the increased demand for healthcare at home by cultivating relationships with manufacturers to combine flexibility, high performance and safety into simple ergonomic designs.
Figure 4: Blood pressure monitoring equipment
Figure 3: Glucometer
Figure 5: A simple device to check certain vital statistics
www.electronicsworld.co.uk May 2022 37
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