Low profile valve and method of making
US6926729B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2000 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Apr 12, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0075
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A low profile inflation valve located inside a balloon catheter that enables a user to inflate the balloon and exchange other medical apparatus over the catheter while the balloon remains inflated.The low profile inflation valve of the present invention includes a first tube having a lumen and at least one region of decreased inner diameter, and a structure movably located inside the lumen of said first tube, wherein said region of decreased inner diameter of said first tube forms a seal with a portion of said structure. The present invention further includes a method of making a low profile inflation valve using a first and second tube comprising the steps of creating an aperture in at least one side of a second tube, placing the second tube inside a first tube, the first tube being made of thermoplastic material, applying heat to a localized area of the first tube, and compressing the first tube to form a region of reduced internal diameter, the reduced diameter forming a seal with the outside diameter of the second tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.