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Terminal for medical instrument and method of assembling the terminal

  • US 4,220,814 A
  • Filed: 01/17/1978
  • Issued: 09/02/1980
  • Est. Priority Date: 01/17/1978
  • Status: Expired due to Term
First Claim
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1. In combination for providing for the introduction of a terminal lead from a heart pacemaker into the body of a patient,a lid for the heart pacemaker,an electrical terminal pin,means for supporting the terminal pin in electrically insulated relationship to the lid includingfirst support means enveloping the electrical terminal pin and disposed in spaced relationship to the terminal pin and engaging the lid,second support means supported by the first support means in insulated relationship to the lid and extending above the first support means,insulating means disposed between the terminal pin and the first support means and between the terminal pin and the second support means and hermetically sealed to the first support means, the second support means and the terminal pin for maintaining the terminal pin in fixed and spaced relationship to the first and second support means, the insulating means being disposed relative to the terminal pin and the lid for providing a long path for the leakage of electrical current between the terminal pin and the lid to maintain the terminal pin in electrically insulated relationship to the lid, andelectrical body means disposed on the second support means and hermetically sealed to the insulating means and electrically connected to the terminal pin and retaining the terminal pin in electrically conductive relationship with the terminal lead for introducing signals from the terminal pin through the terminal lead into the body of the patient.

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