Inserting device of artificial blood stent

• US 8,021,408 B2
• Filed: 05/15/2006
• Issued: 09/20/2011
• Est. Priority Date: 05/15/2006
• Status: Active Grant

• Current Assignee: S&G Biotech, Inc.
• Original Assignee: S&G Biotech, Inc.
• Inventors: Kang, Sung-Gwon, Song, Sang-Yeop
• Primary Examiner(s): Severson; Ryan J
• Application Number:
  US12/300,777
• Publication Number:
  US 20090248032A1
• Time in Patent Office: 1,954 Days
• Field of Search: 606/108, 623/1.11, 623/1.12, 623/1.23
• US Class Current: 623/1.11
• CPC Class Codes: A61F 2/9517 handle assemblies therefor
• CPC Class Codes: A61F 2/966 with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
• CPC Class Codes: A61F 2002/9511 the retaining means being filaments or wires
• CPC Class Codes: A61F 2002/9665 with additional retaining means

Abstract

An artificial blood stent insertion device which includes a blood stent having a front end portion, a middle portion and a rear end portion compressed by a fixing wire having ring-shaped loops disposed at the sides thereof, and a core passing through the loops and extending through the moving tube so that one end thereof is accessible, whereby the artificial blood stent can be easily inserted and fixed to a desired position in a blood vessel without affecting blood pressure, and then the artificial blood stent is expanded by disengaging the core from the loops of the fixing wire.

Claims

1. An artificial blood stent insertion device for use in vessel surgery which comprises:

a moving tube and an outer tube, said moving tube being slidably disposed to move back and forth within the outer tube, said moving tube being provided with a grip member positioned at one end thereof,

a guide passing tube slidably and axially disposed within the outer tube, and

a cylindrical, artificial blood stent disposed between the moving tube and the outer tube, said blood stent being operatively compressed by a fixing wire to the guide passing tube at a front end portion, a middle portion and a rear end portion of said blood stent such that the compression at the front end and rear end portions is greater than the compression at the middle portion, said fixing wire being provided with loops disposed at the sides thereof, and

a core member passing through the loops of the fixing wires and through the moving tube and terminating at the grip member,

wherein the artificial blood stent is positioned within a blood vessel by pushing the moving tube into the outer tube, displacing the artificial blood stent from the outer tube and disengaging the core member from the loops of the fixing wires causing the artificial blood stent to expand to its cylindrical shape.

2. The artificial blood stent insertion device for use in vessel surgery of claim 1, wherein an insertion piece comprising a blunt end portion is formed on the front end of the guide passing tube.