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Abstract

An electrical connector assembly is provided for detachably coupling an electrical lead to a medical device. A hollow barrel has a through passage which extends between proximal and distal ends. A leaf spring member includes a base element on the barrel adjacent the distal end and a plurality of integral resilient spring elements extend away from the distal end at a plurality of circumferentially spaced locations to tip ends adjacent the proximal end. The leaf spring elements have contact portions intermediate the base element and the tip ends projecting and biased toward a longitudinal axis of the barrel for mating engagement with a proximal end of the electrical lead when inserted into the barrel from the distal end. A guide device on the barrel adjacent the proximal end and overlying the tip ends of the resilient spring elements serves to guide the electrical lead past the tip ends of the resilient spring elements without engaging the tip ends both during insertion and extraction. The passage through the hollow barrel preferably includes a first cylindrical passage defined by a first diameter and extends away from the distal end and a second cylindrical passage defined by a second diameter greater than the first diameter extends away from the proximal end. The second cylindrical passage is a stop surface for terminal engagement by the resilient spring elements when so moved by the electrical lead as it is inserted from the distal end of the barrel.

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First Claim