SPRING LAKE, Mich.--(BUSINESS WIRE)--Since 2004, International Aid, a missionary relief and development organization, has partnered with medical-device company Welch Allyn to provide medical instruments to aid critical health care efforts around the world. Most recently, International Aid delivered Welch Allyn products such as blood pressure cuffs, otoscopes, ophthalmoscopes, electronic thermometers, and other supplies to earthquake-ravaged Haiti as part of its humanitarian relief efforts. Over the last four years alone, Welch Allyn has donated over $1.5 million worth of products to International Aid to be refurbished and stored so they can be sent without delay to high-need areas.