Blue Spark Technologies in Westlake, Ohio, has raised $40 million in intellectual property debt to fund the growth of a wireless patch that monitors a patient's body temperature. Ghost Tree Partners, the alternative asset manager in Irvine, California, led the funding round with support from Aon plc, the London-based insurance company, Blue Spark said in a statement. Blue Spark will use the funding to scale its sales and marketing activities, and to advance its Bluetooth-enabled wearable patient...