美国Mortara Instrument 
MORTARA公司自1982年于美国威斯康星州密尔沃机市创立，其创始人MORTARA先生同时兼任美国AAMI协会心电学会、美国医学工程学会主席和美国ACC & AHA专家学术组、美国FDA专家委员会副主席等职。开发了著名12SL心电算法技术。世界知名心电设备生产厂商的电图机与运动实验系统，核心心电算法均采用MORTARA公司的心电算法芯片，例如马奎特、西门子、博迪克、日本光电等厂家。并且接受美国FDA委托开发新一代的心电算法。在此之后，MORTARA公司商标更改为“HEART OF MORTARA”（拥有MORTARA的心）。

Founded in 1982 by David W. Mortara, PhD, Mortara Instrument was born with a guiding philosophy: design to a need, keep it simple, and make it economically accessible. Building on this philosophy, Mortara Instrument has created a complete line of electrocardiography products that are well suited to today's health care market.

The company is headquarted in Milwaukee, Wisconsin and has grown since 1982 to include offices in Australia, Italy, Germany and the Netherlands. Products are marketed worldwide through subsidiaries and distribution partners.

Mortara Instrument is ISO 13485 certified.