Patent · US Active

Trocar cannula assembly and method of manufacture

US8888692B1 · kind B1 · utility

9Cited by
166References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2012
Grant dateNov 18, 2014
Priority date
Expiry dateOct 20, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1049
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A cannula assembly having a retention member and a method of manufacture of the cannula assembly is provided. The cannula assembly includes a cannula and a sleeve disposed around the cannula from a proximal end to a distal end. The sleeve can be pre-formed by a stretch blow molding process then advanced over the cannula. The sleeve includes an inflatable balloon and an annular ring distal the inflatable balloon. The cannula includes an annular recess. The annular ring is sized to have an interference fit with the annular recess.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.