Electrode package and sealing apparatus

Abstract

An electrode package includes an electrode pad to be attached to a subject, the electrode pad having a gel layer, a lead wire having one end electrically coupled to the gel layer, and a packaging cover having an opening portion, the opening portion being sealed such that the electrode pad and a part of the lead wire are housed inside the packaging cover. A sealing width in at least a part of a section where the packaging cover is sealed together with the lead wire is narrower than a sealing width in a section where only the packaging cover is sealed. A sealing apparatus is configured to seal the packaging cover.

What is claimed is: 
     
         1 . A sealing apparatus for sealing a packaging cover, the sealing apparatus comprising a heater configured to perform heating for the sealing, wherein a sectional area of one part of the heater is narrower than a sectional area of the other part of the heater. 
     
     
         2 . The sealing apparatus according to  claim 1 , wherein the heater is configured such that a width of the one part of the heater is narrower than a width of the other part of the heater. 
     
     
         3 . The sealing apparatus according to  claim 1 , wherein the heater comprises a first heater and a second heater to press the packaging cover between the first heater and the second heater for the sealing. 
     
     
         4 . The sealing apparatus according to  claim 1 , further comprising a seal bar to which the heater is attached, the seal bar being configured to fix the heater and to cool the heater.