CA2589330A1 - Protective sheet loader - Google Patents

Protective sheet loader Download PDF

Info

Publication number
CA2589330A1
CA2589330A1 CA002589330A CA2589330A CA2589330A1 CA 2589330 A1 CA2589330 A1 CA 2589330A1 CA 002589330 A CA002589330 A CA 002589330A CA 2589330 A CA2589330 A CA 2589330A CA 2589330 A1 CA2589330 A1 CA 2589330A1
Authority
CA
Canada
Prior art keywords
chamber
sheet
article
size
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002589330A
Other languages
French (fr)
Inventor
Bruce Asmus
Dennis Aamoth
Thomas Walch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston Scientific Ltd Barbados
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2589330A1 publication Critical patent/CA2589330A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
    • A61F2/9524—Iris-type crimpers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49877—Assembling or joining of flexible wall, expansible chamber devices [e.g., bellows]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53987—Tube, sleeve or ferrule
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53996—Means to assemble or disassemble by deforming

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Materials For Medical Uses (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

A protective sheet loader may comprise a first roller (44), a second roller (46), a sheet of material (42) spanning between the first and second rollers, and a loading mechanism (50). A portion of the sheet of material may be loaded into the crimping chamber (30) of an apparatus for reducing the size of a medical device. A medical device may be placed within the crimping chamber such that the sheet of material forms a barrier between the walls of the crimping chamber and the medical device and prevents cross-contamination between the medical device and the crimping device. After a crimping step is completed, the medical device and the contaminated portion of the sheet of material may be removed from the crimping chamber, and a clean portion of the sheet of material may be loaded into the crimping chamber.

Claims (21)

1. An apparatus for reducing the size of a medical device comprising:
a device having a chamber, the size of the chamber being adjustable;
a sheet of protective material, the sheet spanning between a first roller and a second roller;
a loading mechanism arranged to load a portion of the sheet of protective material into the chamber.
2. The apparatus of claim 1, wherein the device having a chamber comprises a plurality of moveable blades arranged to form the chamber.
3. The apparatus of claim 1, wherein the loading mechanism comprises a source for providing a stream of gas.
4. The apparatus of claim 3, wherein the source for providing a stream of gas comprises a gas jet.
5. The apparatus of claim 4, wherein the gas jet directs gas pressure against a portion of the sheet of protective material which is oriented within the chamber.
6. The apparatus of claim 5, wherein the gas pressure causes the portion of the sheet of protective material which is oriented within the chamber to abut an internal periphery of the chamber.
7. The apparatus of claim 1, wherein the loading mechanism is arranged to move on a track.
8. The apparatus of claim 1, wherein the sheet of protective material comprises PTFE.
9. The apparatus of claim 1, wherein the sheet of protective material has a coefficient of friction of 0.1 or less.
10. The apparatus of claim 1, wherein the first roller and the second roller are configured to apply tension to the sheet of protective material.
11. The apparatus of claim 1, further comprising a removable blade which may be temporarily removed as the sheet of protective material is loaded into the chamber.
12. A method of reducing the size of an article comprising:
providing a device for reducing the size of an article, the device having a chamber, the size of the chamber being adjustable;
providing a sheet of material;

providing an article;
disposing a first portion of the sheet of material within the chamber;
disposing the article within the chamber such that the first portion of the sheet of material within the chamber is oriented about the article; and reducing the size of the chamber sufficiently to reduce the size of the article.
13. The method of claim 12, further comprising applying tension to the first portion of the sheet of material within the chamber while reducing the size of the chamber.
14. The method of claim 12, wherein disposing at least a first portion of the sheet of material within the chamber includes forcing the first portion of the sheet of material into the chamber using pressurized gas.
15. The method of claim 14, wherein the pressurized gas causes the first portion of the sheet of material to abut an inner periphery of the chamber.
16. The method of claim 12, wherein the sheet of material comprises PTFE.
17. The method of claim 12, further comprising removing the article and removing the first portion of the sheet of material within the chamber.
18. The method of claim 17, further comprising disposing a second portion of the sheet of material within the chamber as the first portion is removed.
19. The method of claim 18, further comprising:
providing a second article;
disposing the second article within the chamber such that the second portion of the sheet of material within the chamber is oriented about the second article;
and reducing the size of the chamber sufficiently to reduce the size of the second article.
20. The method of claim 12, wherein the step of providing a sheet of material further comprises providing a first roller and a second roller, the sheet of material spanning between the first roller and the second roller.
21. The method of claim 12, wherein the article is a stent.
CA002589330A 2005-02-15 2006-02-03 Protective sheet loader Abandoned CA2589330A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/058,391 2005-02-15
US11/058,391 US7316148B2 (en) 2005-02-15 2005-02-15 Protective sheet loader
PCT/US2006/004475 WO2006088712A1 (en) 2005-02-15 2006-02-03 Protective sheet loader

Publications (1)

Publication Number Publication Date
CA2589330A1 true CA2589330A1 (en) 2006-08-24

Family

ID=36581909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002589330A Abandoned CA2589330A1 (en) 2005-02-15 2006-02-03 Protective sheet loader

Country Status (5)

Country Link
US (2) US7316148B2 (en)
EP (1) EP1848372B1 (en)
JP (1) JP5101304B2 (en)
CA (1) CA2589330A1 (en)
WO (1) WO2006088712A1 (en)

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EP1848372A1 (en) 2007-10-31
WO2006088712A1 (en) 2006-08-24
JP5101304B2 (en) 2012-12-19
US7793532B2 (en) 2010-09-14
JP2008529664A (en) 2008-08-07
US20080104822A1 (en) 2008-05-08
EP1848372B1 (en) 2012-06-13
US7316148B2 (en) 2008-01-08
US20060183383A1 (en) 2006-08-17

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