The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2014
Filed:
Oct. 22, 2010
Ajay D. Padsalgikar, Plymouth, MN (US);
Elenora Stepanova, Notting Hill, AU;
Richard Anup D'mello, Clayton South, AU;
Jadwiga Weksler, Blackburn, AU;
Ajay D. Padsalgikar, Plymouth, MN (US);
Elenora Stepanova, Notting Hill, AU;
Richard Anup D'Mello, Clayton South, AU;
Jadwiga Weksler, Blackburn, AU;
Aortech International plc, Weybridge Surrey, GB;
Abstract
This invention relates to electrical devices that are implantable inside an animal, including humans. The invention particularly relates to polyurethane headers mounted on the electrical devices to house electrical contacts. The polyurethane headers are formed by (a) mixing (i) a prepolymer comprising a silicon-containing diol of formula (I) in which R, R, Rand Rare independently selected from Calkyl; Rand Rare independently selected from Calkylene; Ris Calkylene, O, S or NR in which R is H or Calkyl; and n is 1 to 3 and a diisocyanate; and (ii) a Calkanediol; (b) injecting the mixture of the prepolymer and the Calkanediol into a mold having a cavity shaped to form a header; (c) allowing the mixture to cure and form a polyurethane header within the mold; and (d) releasing the formed polyurethane header from the mold.