Tablet computer maker Motion Computing raked in $6 million in fourth-round funding to increase its penetration of the health care sector. The Austin, Tex.-based company sells products with Wi-Fi and Bluetooth capabilities. Its newest, the Motion C5, is tailored for medical assitants, and is already used in over 4,000 hospitals and doctor’s offices around the world. It also has a tough LE1700 model designed for rugged outdoor use.

Motion has raised close to $49 million from investors including New Enterprise Associates, Institutional Venture Partners, G-51 Capital and Compal Electronics (the Taiwanese company that actually manufactures the tablets). This year hasn’t been entirely smooth for Motion, however. In April, it laid off 33 employees to cut costs by $2.5 million a quarter.

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