CA2616919A1 - Highly porous self-cohered web materials - Google Patents

Highly porous self-cohered web materials Download PDF

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Publication number
CA2616919A1
CA2616919A1 CA 2616919 CA2616919A CA2616919A1 CA 2616919 A1 CA2616919 A1 CA 2616919A1 CA 2616919 CA2616919 CA 2616919 CA 2616919 A CA2616919 A CA 2616919A CA 2616919 A1 CA2616919 A1 CA 2616919A1
Authority
CA
Canada
Prior art keywords
implantable article
polymeric component
filaments
semi
implantable
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.)
Granted
Application number
CA 2616919
Other languages
French (fr)
Other versions
CA2616919C (en
Inventor
Ted R. Farnsworth
Charles Flynn
Charles F. White
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.)
Gore Enterprise Holdings Inc
Original Assignee
Gore Enterprise Holdings, Inc.
Ted R. Farnsworth
Charles Flynn
Charles F. White
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 Gore Enterprise Holdings, Inc., Ted R. Farnsworth, Charles Flynn, Charles F. White filed Critical Gore Enterprise Holdings, Inc.
Publication of CA2616919A1 publication Critical patent/CA2616919A1/en
Application granted granted Critical
Publication of CA2616919C publication Critical patent/CA2616919C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/146—Porous materials, e.g. foams or sponges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07292—Reinforcements for staple line, e.g. pledgets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/148—Materials at least partially resorbable by the body
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1369—Fiber or fibers wound around each other or into a self-sustaining shape [e.g., yarn, braid, fibers shaped around a core, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1372—Randomly noninterengaged or randomly contacting fibers, filaments, particles, or flakes
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1376—Foam or porous material containing
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/681—Spun-bonded nonwoven fabric

Abstract

The present invention is directed to implantable bioabsorbable non-woven self-cohered web materials having a high degree of porosity. The web materials are very supple and soft, while exhibiting proportionally increased mechanical strength in one or more directions. The web materials often possess a high degree of loft. The web materials can be formed into a variety of shapes and forms suitable for use as implantable medical devices or components thereof.

Claims (40)

1. An implantable article comprising melt-formed continuous filaments intermingled to form a porous web wherein said filaments are self-cohered to each other at multiple contact points, wherein said filaments comprise at least one semi-crystalline polymeric component covalently bonded to or blended with at least one amorphous polymeric component, wherein the filaments possess partial to full polymeric component phase immiscibility when in a crystalline state, and wherein said implantable article has a percent porosity greater than ninety in the absence of additional components.
2 The implantable article of claim 1 wherein the percent porosity is greater than ninety-one.
3. The implantable article of claim 1 wherein the at least one semi-crystalline polymeric component is covalently bonded to at least one amorphous polymeric component.
4. The implantable article of claim 3 wherein the components comprise a block copolymer.
5. The implantable article of claim 1 wherein the at least one semi-crystalline polymeric component is blended with the at least one amorphous polymeric component.
6. The implantable article of claim 5 wherein at least one of the components is a block co-polymer.
7. The implantable article of claim 1 wherein at least one semi-crystalline polymeric component has a melting point greater than eighty degrees centigrade (80°C).
8. The implantable article of claim 1 further comprising a hydrogel material placed on at least one of said filaments.
9. The implantable article of claim 8 wherein at least a portion of the hydrogel material is chemically cross-linked together.
10. The implantable article of claim 8 further comprising a bioactive species in combination with the hydrogel material.
11. The implantable article of claim 9 further comprising a bioactive species in combination with the cross-linked hydrogel material.
12. The implantable article of claim 1 further comprising a fluoropolymer component.
13. The implantable article of claim 1 further comprising a pledget material attached thereto.
14. The implantable article of claim 13 wherein the pledget material is a non-bioabsorbable material.
15. The implantable article of claim 13 wherein the pledget material is a bioabsorbable material.
16. The implantable article of claim 15 wherein the bioabsorbable material is in the form of a melt-formed continuous filaments intermingled to form a porous web wherein said filaments are self-cohered to each other at multiple contact points, wherein said filaments comprise at least one semi-crystalline polymeric component covalently bonded to or blended with at least one amorphous polymeric component, wherein the filaments possess partial to full polymeric component phase immiscibility when in a crystalline state.
17. The implantable article of claim 1 in the form of a substantially planar sheet.
18. The implantable article of claim 17 wherein said substantially planar sheet is adapted to wrap around a surgical anastomosis.
19. The implantable article of claim 17 wherein said substantially planar sheet is adapted for placement in an oral cavity of a mammal.
20. The implantable article of claim 1 having a hollow tubular form.
21. An implantable article comprising melt-formed continuous filaments intermingled to form a porous web wherein said filaments are self-cohered to each other at multiple contact points, wherein said filaments comprise at least one semi-crystalline polymeric component covalently bonded to or blended,with at least one additional semi-crystalline polymeric component, wherein the filaments possess partial to full polymeric component phase immiscibility when in a crystalline state, and wherein said implantable article has a percent porosity greater than ninety in the absence of additional components.
22. The implantable article of claim 21 wherein the percent porosity is greater than ninty-one in the absence of additional components.
23. The implantable article of claim 21 wherein the at least one semi-crystalline polymeric component is covalently bonded to at least one amorphous polymeric component.
24. The implantable article of claim 23 wherein the components comprise a block copolymer.
25. The implantable article of claim 21 wherein the at least one semi-crystalline polymeric component is blended with the at least one amorphous polymeric component.
26. The implantable article of claim 25 wherein at least one of the components is a block co-polymer.
27. The implantable article of claim 21 wherein at least one semi-crystalline polymeric component has a melting point greater than eighty degrees centigrade (80°C).
28. The implantable article of claim 21 further comprising a hydrogel material placed on at least one of said filaments.
29. The implantable article of claim 28 wherein at least a portion of the hydrogel material is chemically cross-linked together.
30. The implantable article of claim 28 further comprising a bioactive species in combination with the hydrogel material.
31. The implantable article of claim 29 further comprising a bioactive species in combination with the cross-linked hydrogel material.
32. The implantable article of claim 31 further comprising a fluoropolymer component.
33. The implantable article of claim 31 further comprising a pledget material attached thereto.
34. The implantable article of claim 33 wherein the pledget material is a non-bioabsorbable material.
35. The implantable article of claim 33 wherein the pledget material is a bioabsorbable material.
36. The implantable article of claim 35 wherein the bioabsorbable material is in the form of a melt-formed continuous filaments intermingled to form a porous web wherein said filaments are self-cohered to each other at multiple contact points, wherein said filaments comprise at least one semi-crystalline polymeric component covalently bonded to or blended with at least one amorphous polymeric component, wherein the filaments possess partial to full polymeric component phase immiscibility when in a crystalline state.
37. The implantable article of claim 21 in the form of a substantially planar sheet.
38. The implantable article of claim 37 wherein said substantially planar sheet is adapted to wrap around a surgical anastomosis.
39. The implantable article of claim 37 wherein said substantially planar sheet is adapted for placement in an oral cavity of a mammal.
40. The implantable article of claim 21 having a hollow tubular form.
CA2616919A 2005-07-29 2006-07-21 Highly porous self-cohered web materials Active CA2616919C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/192,858 2005-07-29
US11/192,858 US8048503B2 (en) 2005-07-29 2005-07-29 Highly porous self-cohered web materials
PCT/US2006/028445 WO2007015970A2 (en) 2005-07-29 2006-07-21 Highly porous self-cohered web materials

Publications (2)

Publication Number Publication Date
CA2616919A1 true CA2616919A1 (en) 2007-02-08
CA2616919C CA2616919C (en) 2011-04-05

Family

ID=37695371

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2616919A Active CA2616919C (en) 2005-07-29 2006-07-21 Highly porous self-cohered web materials

Country Status (7)

Country Link
US (1) US8048503B2 (en)
EP (1) EP1909701B1 (en)
JP (1) JP5405826B2 (en)
AU (2) AU2006276043A1 (en)
CA (1) CA2616919C (en)
ES (1) ES2533240T3 (en)
WO (1) WO2007015970A2 (en)

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US20070027550A1 (en) 2007-02-01
CA2616919C (en) 2011-04-05
AU2011200361A1 (en) 2011-02-17
US8048503B2 (en) 2011-11-01
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WO2007015970A2 (en) 2007-02-08
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