WO1999006079A1 - Prothese composite pour la prevention des adherences post-chirurgicales et son procede d'obtention - Google Patents
Prothese composite pour la prevention des adherences post-chirurgicales et son procede d'obtention Download PDFInfo
- Publication number
- WO1999006079A1 WO1999006079A1 PCT/FR1998/001624 FR9801624W WO9906079A1 WO 1999006079 A1 WO1999006079 A1 WO 1999006079A1 FR 9801624 W FR9801624 W FR 9801624W WO 9906079 A1 WO9906079 A1 WO 9906079A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- prosthesis according
- derivative
- absorbable
- prosthetic
- Prior art date
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
- A61L31/12—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L31/125—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L31/129—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix containing macromolecular fillers
-
- 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
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/10—Open-work fabrics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
- D10B2403/0112—One smooth surface, e.g. laminated or coated
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/02—Cross-sectional features
- D10B2403/021—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
- D10B2403/0213—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics with apertures, e.g. with one or more mesh fabric plies
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/08—Hernia repair mesh
Definitions
- the present invention relates to a composite prosthesis for the prevention of post-surgical adhesions, in particular in the field of visceral, parietal or neurological surgery.
- the invention will be more particularly described with respect to a composite prosthesis intended for use in parietal surgery, in the repair of eventrations, or hernias.
- Post-surgical adhesions include all non-anatomical fibrous connections, accidentally induced by surgery during the normal healing process. They can occur in all surgical disciplines regardless of the gesture considered. They are generally all the more severe as the surgical trauma is significant and that the tissues normally ensuring the cleavage planes (interstitial connective tissue, synovials, tendon sheaths, peritoneal and pleural serosa ...) have been affected. All surgical tissue trauma is followed by a cascade of physiological events, the main times of which can be simplified as follows: - time zero (t0): surgical trauma, capillary break-in;
- post-surgical adhesions can cause syndromes which can be classified mainly in chronic pain, occlusive syndromes, and female infertility.
- they very significantly increase the risk of false routes during a reoperation (myocardial or intestinal break-in during thoracotomy or iterative laparotomy), while prolonging operating times, prior dissection can be very tedious in such cases. .
- the material must be substantially smooth and non-porous, on at least one of its faces, so as not to offer space for cell recolonization;
- the surface of the material must limit the primitive cell adhesion.
- the barrier must also have a certain mechanical resistance allowing it to fulfill its function as an element of surgical reconstruction.
- the prosthetic tissues known in particular in the treatment of parietal insufficiencies, for example hernias and eventrations provide additional mechanical resistance to surgical reconstruction.
- Such tissues are all the more effective and their local tolerance all the better as their tissue integration is intimate and early.
- the best performing prosthetic fabrics in these indications are generally very porous, and designed so as to be integrated into the body as quickly as possible.
- porous is meant the characteristic that at least one of the faces of the tissue is rough, in order to present cells, distributed regularly or not, and promoting any cell colonization.
- Patent application WO-A-96/08277 describes to this end a composite prosthesis comprising a prosthetic fabric, in this case a resorbable or non-absorbable mesh, and at least one film of a cross-linked collagenous material, absorbable therein. occurrence of a coagulated collagen gel in the dry state, associated with one side of the prosthetic tissue.
- the composite prosthesis thus formed finds application in the treatment of eventrations and hernias, and avoids, according to the inventors, postoperative adhesions, since the collagen membrane constitutes a cleavage zone allowing the release of any early postoperative adhesions which may form. .
- the composite prosthesis according to document WO-A-96/08277 must be improved as regards the necessary independence, once it is implanted, between, on the one hand, the phenomenon of cell colonization and tissue insertion, which must if possible be directed, and on the other hand, the resorption of the film, which must be relatively rapid in vivo, so as to limit the inflammatory phenomena. This is the object of the present invention.
- the prosthetic tissue in cooperation, on the one hand has a three-dimensional structure separating its two faces, at least one of which is open to any post-surgical cell colonization, and on the other hand the film of the material. absorbable is bonded at least superficially to the other face of said tissue.
- open face it is meant that said face comprises cells having a certain depth depending on the thickness of the three-dimensional fabric, these cells crossing, completely or not, the thickness of the fabric, from one side to the other.
- the face of the absorbable film, opposite the prosthetic fabric is substantially smooth and non-porous.
- the absorbable film consists of at least one polysaccharide derivative forming a hydrogel insoluble in an aqueous medium. Thanks to the invention, in a controllable manner:
- the prosthesis prevents immediate post-surgical cell colonization, on the side comprising the absorbable film, which is absorbed for a period compatible with tissue reconstruction, for example that of the peritoneum;
- the prosthesis facilitates immediate post-surgical cell colonization, on the side comprising the tissue, open so as to allow rapid and mechanically effective integration thereof, in particular when it is used as a parietal or visceral reinforcement.
- the prosthetic tissue comprises two opposite porous faces, connected to each other by connecting wires, one of which is open to any post-surgical cell colonization, and the other of which is closed to said colonization by the film of absorbable material.
- the armor of the prosthetic fabric determines in the thickness of the latter, a multiplicity of cells or transverse channels, substantially parallel to each other, opening on either side of said fabric on the two porous faces respectively, and the internal section of which is substantially free of any connecting wire. It is therefore a flexible prosthetic fabric having a "honeycomb" structure.
- polysaccharide derivative means both the polysaccharide considered in the pure state and the latter chemically modified, or mixed with other biocompatible products or adjuvants.
- the polysaccharide is chosen from the group consisting of mucopolysaccharides, polyanionic polysaccharides, glycosaminoglycans, modified celluloses, and mixtures thereof.
- the polysaccharide derivative is chosen from the group consisting of a derivative of hyaluronic acid (HA) or of its salts, a derivative of carboxymethylcellulose (CMC), a derivative of carboxymethylamylose (CMA), a derivative of chondroitin-6- sulfate, a derivative of dermatin sulfate, a derivative of heparin and a derivative of heparin sulfate, or a mixture thereof.
- the polysaccharide derivative is a derivative of hyaluronic acid or one of its hyaluronic salts.
- Hyaluronic acid is a natural mucopolysaccharide found, among other things, in synovial fluid, in the walls of blood vessels, the umbilical cord and in other connective tissues.
- the polysaccharide consists of residues of N-acetyl-D-glucosamine and D-glucuronic acid, linked by ⁇ 1-3 glucuronide and ⁇ 1-4 glucosaminide bonds, respectively, so that the construction unit is designated - (1> 4) - ⁇ -D-GlcA- (1> 3) - ⁇ -D- GlcNAc.
- HA dissolves in water and forms a high viscosity liquid.
- the molecular weight of HA isolated from natural sources is generally between 5 ⁇ 10 4 to
- HA includes both hyaluronic acid and its hyaluronic salts, and includes, for example, sodium hyaluronate, potassium hyaluronate, magnesium hyaluronate, and calcium hyaluronate.
- the preferred HA derivative is insoluble in water, and biocompatible, and can be obtained, for example, by reacting the HA with a polyfunctional crosslinking agent, such as for example a polyfunctional epoxide.
- a polyfunctional crosslinking agent such as for example a polyfunctional epoxide.
- crosslinking or modification methods making it possible to obtain an HA derivative suitable for association with the three-dimensional prosthetic tissue are well known per se and will not be described in more detail here. These methods are in particular described in patent applications WO-A-89/02445, OA-92/00105, and OA-92/20349, the content of which is integrated into the present patent application, as necessary.
- the thickness of the absorbable film is less than the thickness of the prosthetic fabric, for example between 2% and 10% of the total thickness of the composite prosthesis, and preferably between around 30 ⁇ m and 100 ⁇ m, and more preferably is about 50 ⁇ m to 75 ⁇ m.
- the absorbable film which is part of the composite prosthesis of the invention is biocompatible, non-toxic, and is rapidly absorbed in vivo.
- the absorbable material used can be of animal, human or synthetic origin.
- the absorbable film is bonded at least superficially to the prosthetic tissue, directly or indirectly, and preferably is bonded directly by capillary absorption, in a certain thickness of the material, into the fibers constituting the prosthetic tissue.
- the absorbable film is bonded directly by capillary absorption of the absorbable material into the fibers constituting the prosthetic tissue to a depth of less than 750 ⁇ m, measured from the outer surface of the film.
- a composite prosthesis has two different faces in their respective aspects and functions, namely a porous face or open on one side, to receive and direct post-surgical cell colonization, and the other closed side to tissue separation without adhesion.
- the absorbable film is preferably continuous, smooth and non-porous, entirely covering the prosthetic fabric, and more preferably, projects beyond the latter so as to protect the prosthesis from visceral contacts, the projection possibly being for example from 5 to 10 millimeters.
- the absorbable film is intimately bonded to the tissue by surface penetration, so as not to constitute a plane of cleavage or delamination, while keeping the porosity of the tissue open on the other face.
- the absorbable film is also flexible, in particular in the hydrated state, so as to preserve the workability of the prosthesis, and its possible use by laparoscopic route.
- the film restores the prosthetic tissue to its initial mechanical properties (flexibility and elasticity) without fragmenting, or making fixation of the prosthesis more difficult. It is also transparent, non-delaminable and non-sticky during its installation. Its rapid absorption provides protection against initial adhesogenic phenomena, that is to say in the first post-operative week, or in other words, during the time necessary for tissue integration of the opposite face. During its absorption, its weakly inflammatory and / or immunogenic nature does not disturb tissue colonization opposite said film.
- FIG. 1 schematically represents a composite prosthesis according to the present invention
- FIG. 2 shows a schematic drawing of the knitting weave of a prosthetic fabric belonging to a composite prosthesis according to the present invention.
- the prosthesis comprises a prosthetic fabric 2, having two faces 4 and 5, one of which is covered with a film 3 of polysaccharide derivative.
- the prosthetic fabric 2 has an openwork three-dimensional structure, and therefore a certain thickness which separates the face 4 from the face 5.
- This fabric can preferably be a Rachel knitted fabric with a spacer, produced on a double needle bed.
- the spacing of the two needle beds and the flow rates of the threads make it possible to obtain a finished fabric in three dimensions (three-dimensional structure), with a thickness of between 1 and 3 mm, and for example around 1.8 mm, for a weight of about 90 g / m 2 .
- the final characteristics are given independently of knitting by the choice of the raw material used, for example polyester PES 50 dtex multifilaments, the temperature, and the time of heat setting. Apart from spinning, the yarn and fabric receive no other treatment (no sizing or washing).
- Such a fabric has, according to standard NFG 07119, a tensile breaking force of between approximately 18 daN and approximately 30 daN, and a tensile breaking elongation of between approximately 25% to 37%, in warp, and a tensile force. tensile break between about 9 daN and 15 daN, and a tensile break elongation between 60% to 88%, in the weft.
- Such a composite fabric can be produced by knitting in a chain of five plies of threads, and in accordance with the schematic drawing of FIG. 2.
- each ply of threads is identified by a letter, going from A to E, the diagram in itself using a system for describing the knitting to be produced which is quite usual and understandable for those skilled in the art, and which will not be described in more detail here.
- the preferred prosthetic tissue according to the present invention consists, as previously described, of two independent porous faces. These two faces are, in the example given, themselves constituted by two plies of wires, referenced A, B and D, E respectively, the plies A, B giving a face with openings in the form of a drop of water, for receiving and directing post-surgical cell colonization, and the layers D, E giving a face with hexagonal openings which will be closed by the film of the collagen material.
- the prosthetic fabric can be knitted on a Rachel double needle loom.
- all the bars corresponding to wires A, B and D, E are threaded full-empty.
- the ply of connecting wires is represented by the reference C, and is threaded full.
- the different AE plies of yarn are all knitted at the same time.
- the connection wires are distributed along the peripheral edges of the openings on each face and extend substantially perpendicularly from one face to the other face, preventing connection wires from occupying too large a part of the volume of the transverse channels which are trained.
- the final fabric can then be stabilized simply by passing it through the oven at a temperature between about 170 ° C and about 220 ° C.
- the solution containing the polysaccharide derivative is distributed uniformly on an inert hydrophobic and flat support to form a film resulting from two superimposed thin layers.
- the prosthetic fabric with a three-dimensional openwork structure having a thickness of the order of 1.8 mm, is applied by its face with hexagonal openings on the second thin layer, before gelation, so that the anchoring of the tissue in the derivative of polysaccharide takes place during the drying of the film. After reaction, the composite prosthesis is separated from the hydrophobic inert support.
- the film of polysaccharide derivative can rise by capillarity in the fibers, this effect being partly responsible for the resistance to high delamination of the film of the prosthetic tissue.
- the film is continuous, no synthetic fiber coming from the prosthetic fabric appearing on its surface.
- the film has a thickness of the order of 50 ⁇ m to 75 ⁇ m, but can rise by capillary action in the fibers of the prosthetic tissue to a thickness of approximately 750 ⁇ m.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT98940315T ATE204489T1 (de) | 1997-08-01 | 1998-07-22 | Komposit-prothese zur verhinderung postchirurgischer verklebung und verfahren zu ihrer herstellung |
DE69801442T DE69801442T2 (de) | 1997-08-01 | 1998-07-22 | Komposit-prothese zur verhinderung postchirurgischer verklebung und verfahren zu ihrer herstellung |
US09/147,949 US6264702B1 (en) | 1997-08-01 | 1998-07-22 | Composite prosthesis for preventing post-surgical adhesions |
AU88668/98A AU8866898A (en) | 1997-08-01 | 1998-07-22 | Composite prosthesis for preventing post-surgical adhesions and method for obtaining same |
EP98940315A EP0998313B1 (fr) | 1997-08-01 | 1998-07-22 | Prothese composite pour la prevention des adherences post-chirurgicales et son procede d'obtention |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9710102A FR2766716B1 (fr) | 1997-08-01 | 1997-08-01 | Prothese composite pour la prevention des adherences post-chirurgicales et son procede d'obtention |
FR97/10102 | 1997-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999006079A1 true WO1999006079A1 (fr) | 1999-02-11 |
Family
ID=9510103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/001624 WO1999006079A1 (fr) | 1997-08-01 | 1998-07-22 | Prothese composite pour la prevention des adherences post-chirurgicales et son procede d'obtention |
Country Status (8)
Country | Link |
---|---|
US (1) | US6264702B1 (fr) |
EP (1) | EP0998313B1 (fr) |
AT (1) | ATE204489T1 (fr) |
AU (1) | AU8866898A (fr) |
DE (1) | DE69801442T2 (fr) |
ES (1) | ES2163883T3 (fr) |
FR (1) | FR2766716B1 (fr) |
WO (1) | WO1999006079A1 (fr) |
Cited By (36)
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WO2002009792A1 (fr) * | 2000-07-28 | 2002-02-07 | Anika Therapeutics, Inc. | Composites bioabsorbables d'acide hyaluronique derive |
US6447551B1 (en) | 1999-03-20 | 2002-09-10 | Aesculap Ag & Co. Kg | Flat implant, process for its production and use in surgery |
JP2004508134A (ja) * | 2000-09-14 | 2004-03-18 | シー・アール・バード・インコーポレーテッド | 埋め込み式プロテーゼ |
US6800082B2 (en) | 2001-10-19 | 2004-10-05 | Ethicon, Inc. | Absorbable mesh device |
CN100348410C (zh) * | 2004-03-01 | 2007-11-14 | 财团法人中国纺织工业研究中心 | 一种空间布膜结构及其制造方法 |
US8198087B2 (en) | 2007-07-30 | 2012-06-12 | Sofradim Production Sas | Tissue engineering support |
EP2644159A1 (fr) | 2012-03-28 | 2013-10-02 | Cousin Biotech | Plaque viscérale destinée à la coelioscopie |
US8834578B2 (en) | 2007-07-30 | 2014-09-16 | Sofradim Production | Bioresorbable implant |
US9242026B2 (en) | 2008-06-27 | 2016-01-26 | Sofradim Production | Biosynthetic implant for soft tissue repair |
US9308068B2 (en) | 2007-12-03 | 2016-04-12 | Sofradim Production | Implant for parastomal hernia |
US9445883B2 (en) | 2011-12-29 | 2016-09-20 | Sofradim Production | Barbed prosthetic knit and hernia repair mesh made therefrom as well as process for making said prosthetic knit |
US9499927B2 (en) | 2012-09-25 | 2016-11-22 | Sofradim Production | Method for producing a prosthesis for reinforcing the abdominal wall |
US9526603B2 (en) | 2011-09-30 | 2016-12-27 | Covidien Lp | Reversible stiffening of light weight mesh |
US9554887B2 (en) | 2011-03-16 | 2017-01-31 | Sofradim Production | Prosthesis comprising a three-dimensional and openworked knit |
US9622843B2 (en) | 2011-07-13 | 2017-04-18 | Sofradim Production | Umbilical hernia prosthesis |
US9750837B2 (en) | 2012-09-25 | 2017-09-05 | Sofradim Production | Haemostatic patch and method of preparation |
US9839505B2 (en) | 2012-09-25 | 2017-12-12 | Sofradim Production | Prosthesis comprising a mesh and a strengthening means |
US9877820B2 (en) | 2014-09-29 | 2018-01-30 | Sofradim Production | Textile-based prosthesis for treatment of inguinal hernia |
US9932695B2 (en) | 2014-12-05 | 2018-04-03 | Sofradim Production | Prosthetic porous knit |
US9931198B2 (en) | 2015-04-24 | 2018-04-03 | Sofradim Production | Prosthesis for supporting a breast structure |
US9980802B2 (en) | 2011-07-13 | 2018-05-29 | Sofradim Production | Umbilical hernia prosthesis |
US10080639B2 (en) | 2011-12-29 | 2018-09-25 | Sofradim Production | Prosthesis for inguinal hernia |
US10159555B2 (en) | 2012-09-28 | 2018-12-25 | Sofradim Production | Packaging for a hernia repair device |
US10184032B2 (en) | 2015-02-17 | 2019-01-22 | Sofradim Production | Method for preparing a chitosan-based matrix comprising a fiber reinforcement member |
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DE10318801A1 (de) * | 2003-04-17 | 2004-11-04 | Aesculap Ag & Co. Kg | Flächiges Implantat und seine Verwendung in der Chirurgie |
US8926637B2 (en) | 2003-06-13 | 2015-01-06 | Covidien Lp | Multiple member interconnect for surgical instrument and absorbable screw fastener |
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US7296998B2 (en) * | 2003-09-22 | 2007-11-20 | Bartee Chaddick M | Hydrophilic high density PTFE medical barrier |
US20050113849A1 (en) * | 2003-11-26 | 2005-05-26 | Nicholas Popadiuk | Prosthetic repair device |
WO2005105172A1 (fr) | 2004-04-20 | 2005-11-10 | Genzyme Corporation | Implant chirurgical a mailles |
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Also Published As
Publication number | Publication date |
---|---|
FR2766716A1 (fr) | 1999-02-05 |
ATE204489T1 (de) | 2001-09-15 |
US6264702B1 (en) | 2001-07-24 |
AU8866898A (en) | 1999-02-22 |
EP0998313B1 (fr) | 2001-08-22 |
FR2766716B1 (fr) | 2000-02-18 |
EP0998313A1 (fr) | 2000-05-10 |
ES2163883T3 (es) | 2002-02-01 |
DE69801442T2 (de) | 2001-12-06 |
DE69801442D1 (de) | 2001-09-27 |
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