Metal stent for treating lesions in blood vessels, comprising a packaging

• US 8,584,852 B2
• Filed: 06/09/2009
• Issued: 11/19/2013
• Est. Priority Date: 07/04/2008
• Status: Active Grant

• Current Assignee: Qvanteq AG
• Original Assignee: Qvanteq AG
• Inventors: Zucker, Arik
• Primary Examiner(s): REYNOLDS, STEVEN ALAN
• Application Number:
  US13/002,389
• Publication Number:
  US 20110178590A1
• Time in Patent Office: 1,624 Days
• Field of Search: 206/570, 206/571, 206/363, 206/364, 206/438, 206/439, 206/806, 206/210, 206/305, 623/1.15, 623/1.11, 623/1.18
• US Class Current: 206/438
• CPC Class Codes: A61F 2/0095 Packages or dispensers for prostheses or other implants for intraocular lenses A61F2/1691; for dental surgery A61C19/02
• CPC Class Codes: A61F 2/82 Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents stent-grafts for tubular structures of the body other than blood vessels A61F2/04; stent-grafts for blood vessels A61F2/07; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95; for closing wounds, or holding wounds closed A61B17/04 - A61B17/115; dilators A61M29/00
• CPC Class Codes: A61F 2/9522 Means for mounting a stent or stent-graft onto or into a placement instrument
• CPC Class Codes: A61F 2/9524 Iris-type crimpers
• CPC Class Codes: A61F 2/9526 using a mandrel
• CPC Class Codes: A61F 2250/0092 Means for cleaning prostheses

Abstract

The system according to the present disclosure includes a metal stent (3) as a medical implant for treating lesions in blood vessels and a packaging (1) having an inside volume, in which the stent (3) is arranged in a protected manner. The stent (3) has a plurality of webs (33), which produce a tubular shape with each other, and a proximal end (31) and a distal end (32), between which a stent lumen (34) extends. The stent surface (35) has a hydrophilic property. The molecular chemical impurities originating in the atmosphere, primarily hydrocarbon compounds, are significantly reduced on the surface by a treatment, whereby the contact angle as a measure of the hydrophilicity of a water drop present on the surface (35) is reduced in proportion to the contact angle prior to said treatment. The stent (3) is stored in an inert manner in the packaging (1).

Claims

1. An arrangement comprising:

a bare metal stent used as a medical implant for treating lesions in blood vessels; and

a packaging with an interior volume in which the stent is arranged in an inert fashion in the packaging in order to prevent natural recontamination from the atmosphere;

the stent comprising;

a multiplicity of webs, which together form a tubular shape;

a proximal end and a distal end, with a stent lumen extending therebetween; and

a bare metal surface with a hydrophilic property,

wherein molecular chemical contaminants originating from the atmosphere, mainly hydrocarbons, are significantly reduced on the bare metal surface by a treatment, as a result of which, as a measure of the hydrophilicity, the contact angle of a water droplet situated on the bare metal surface is reduced compared to the contact angle before this treatment; and

the packaging including;

a container with a base and a cover;

wherein

at least one of the base or the cover includes an access that is opened such that the stent is removable from the packaging.

2. The arrangement as claimed in claim 1, further comprising:

a catheter arranged in the packaging with the stent mounted on the catheter, wherein the catheter is one of a balloon catheter and a tube catheter.

3. The arrangement as claimed in claim 2, wherein the catheter includes a tip at a distal end thereof and the proximal end of a shaft of the catheter opposite thereto protrudes through the access outside of the packaging.

4. The arrangement as in claim 1, wherein the access is made of at least one of one of a penetrable seal and perforable material.

5. The arrangement as claimed in claim 2, further comprising:

a passage formed in at least one of the base or the cover for allowing a shaft to pass, wherein the shaft leads to jaws of an integrated crimping apparatus toward the inside, into the packaging, and leads to an activator for actuating the crimping apparatus toward the outside, the access is positioned opposite the passage in the cover or in the base and allows a catheter pass; and

a guide mandrel extending through the crimping apparatus in the axial direction used for stabilization and positioning purposes after it has been completely inserted into a guide wire lumen of the catheter.

6. The arrangement according to claim 5, further comprising support elements configured to fix at least one of the stent, the catheter and the crimping apparatus and positioned in the packaging.

7. The arrangement of claim 1, wherein the packaging material is inert and the packing is filled with an inert filling.