| 摘要 |
1508828 Implantable battery operated devices MEDTRONIC Inc 21 May 1975 [5 July 1974] 21991/75 Heading H1B Cells 25 (alkaline Hg) for, e.g. a pacemaker are mounted in spacer member 30 formed at least in part of a foamed thermoplastic material providing space for absorption and storage of hydrogen from the cells. |
