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:
Jun. 09, 2020
Filed:
Jun. 13, 2017
Applicant:
Biotronik Ag, Buelach, CH;
Inventor:
Alois Pfenniger, Biel, CH;
Assignee:
BIOTRONIK AG, Buelach, CH;
Primary Examiner:
Int. Cl.
CPC ...
A61M 25/00 (2006.01);
U.S. Cl.
CPC ...
A61M 25/0023 (2013.01); A61M 25/0012 (2013.01); A61M 25/0026 (2013.01); A61M 25/0074 (2013.01); A61M 25/005 (2013.01); A61M 25/0043 (2013.01); A61M 2025/0024 (2013.01);
Abstract
An adjustable diameter catheter includes a wall extending in an axial direction surrounding a lumen of the catheter, the wall having at least one outer spring and at least one inner spring arranged coaxially to the outer spring. The at least one outer spring surrounds the at least one inner spring. The at least one inner and outer springs each have a distal end which are connected to one another. The at least one inner and outer springs each have a plurality of windings. A winding direction of the at least one outer spring is opposite to a winding direction of the at least one inner spring.