CA2451189A1 - Dimensionally stable balloons with fibers distributed in a matrix polymer - Google Patents
Dimensionally stable balloons with fibers distributed in a matrix polymer Download PDFInfo
- Publication number
- CA2451189A1 CA2451189A1 CA002451189A CA2451189A CA2451189A1 CA 2451189 A1 CA2451189 A1 CA 2451189A1 CA 002451189 A CA002451189 A CA 002451189A CA 2451189 A CA2451189 A CA 2451189A CA 2451189 A1 CA2451189 A1 CA 2451189A1
- Authority
- CA
- Canada
- Prior art keywords
- balloon
- fibers
- polymer
- matrix
- layers
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
-
- 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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/12—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L29/126—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
-
- 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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
-
- 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
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1084—Balloon catheters with special features or adapted for special applications having features for increasing the shape stability, the reproducibility or for limiting expansion, e.g. containments, wrapped around fibres, yarns or strands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
- B29K2105/14—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2022/00—Hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7542—Catheters
-
- 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]
Abstract
An inflatable medical balloon comprises a polymer matrix material and a plurality of fibers distributed in the matrix material. The plurality of fibers operatively adhere to the matrix material and provide reinforcement thereof. The fibers may be parallel or angularly oriented relative to the longitudinal balloon axis, and may be helically disposed thereabout. The fibers may be composed of material which has a greater tensile strength than the matrix material. The fibers may be microfibers formed by phase separation of a melt blend material during extrusion or polymer cores coextruded with the matrix material and surrounded thereby. The balloon may be formed of alternating layers of fiber-free polymer and layers of fiber-containing polymer.
Claims (22)
1. A balloon for a medical device comprising:
a polymer matrix material; and a plurality of fibers distributed in the matrix material to provide reinforcement thereof, the fibers being distributed in a selected direction relative to the balloon axis and composed of material which has a greater tensile strength than the matrix material.
a polymer matrix material; and a plurality of fibers distributed in the matrix material to provide reinforcement thereof, the fibers being distributed in a selected direction relative to the balloon axis and composed of material which has a greater tensile strength than the matrix material.
2. A balloon as in claim 1 wherein the fibers are distributed in the matrix material helically relative to the balloon axis.
3. A balloon as in claim 2 wherein said fibers are cores of polymeric material coextruded with the matrix polymer material.
4. A balloon as in claim 2 wherein the bulk elongation core polymeric material is 150% or less.
5. A balloon as in claim 2 wherein the core polymeric material has a bulk elongation less than the matrix material when oriented in the direction of the longitudinal axis.
6. A balloon as in claim 1, the balloon having a wall composed of a plurality of laminate layers, at least one layer of which comprises said polymer matrix material and said fibers.
7. A balloon as in claim 6 wherein said laminate layers comprise an alternating series of fiber-containing and fiber-free layers.
8. A balloon as in claim 7 having at least 7 of said laminate layers.
9. A balloon as in claim 6 wherein the fibers are distributed in the matrix material helically relative to the balloon axis.
10. A balloon as in claim 9 wherein said fibers are cores of polymeric material coextruded with the matrix polymer material.
11 A balloon as in claim 9 wherein said fibers are LCP fibers having a diameter of from 0.01 to about 10 microns.
12. A balloon as in claim 6 having a body portion wherein the fibers are oriented substantially parallel to the longitudinal axis of the balloon.
13. A balloon as in claim 12 wherein the fibers are LCP fibers having a
14 diameter of from 0.01 to about 10 microns.
14. A balloon for a medical device comprising from 7 to 50 laminate layers of polymer material.
14. A balloon for a medical device comprising from 7 to 50 laminate layers of polymer material.
15 A balloon as in claim 14 comprising an alternating series of (A) layers composed of a single polymer material and (B) layers composed of a blend of a matrix polymer material and an LCP polymer.
16. A balloon as in claim 15 wherein the single polymer material and the matrix polymer material are the same.
17. A balloon as in claim 15 wherein the single polymer material is a compliant or semi-compliant polymer material.
18 A balloon as in claim 15 wherein the ratio A/B of the total thickness of the two types of layers, (A )and (B) respectively, is from about 5 to about 15.
19. A balloon as in claim 18 wherein said ratio is from 8 to 10.
20. A balloon as in claim 15 wherein in the layers (B) the LCP polymer is present in the blend in an amount of from about 5 to about 25 % by weight.
21. A balloon as in claim 14, wherein the balloon has a longitudinal axis, at least some of said laminate layers are formed from an extruded blend of a matrix polymer material and an LCP polymer material, and the LCP polymer forming fibers within the matrix polymer with the fibers oriented substantially in a longitudinal or helical direction relative to the balloon axis.
21. A balloon as in claim 14 comprising alternating laminate layers of (A) a material selected from the group consisting of compliant and semi-compliant polymers and (B) a material formed from a blend of an LCP polymer with a material selected from the group consisting of compliant and semi-compliant polymers.
21. A balloon as in claim 14 comprising alternating laminate layers of (A) a material selected from the group consisting of compliant and semi-compliant polymers and (B) a material formed from a blend of an LCP polymer with a material selected from the group consisting of compliant and semi-compliant polymers.
22. A balloon as in claim 21 wherein in said layers (A) and (B) said material selected from the group consisting of compliant and semi-compliant polymers is a member of the group consisting of polyamides and block copolymers comprising polyamide blocks and polyether blocks.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/885,568 US6977103B2 (en) | 1999-10-25 | 2001-06-20 | Dimensionally stable balloons |
US09/885,568 | 2001-06-20 | ||
PCT/US2002/018248 WO2003000307A1 (en) | 2001-06-20 | 2002-06-06 | Dimensionally stable balloons |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2451189A1 true CA2451189A1 (en) | 2003-01-03 |
CA2451189C CA2451189C (en) | 2011-06-14 |
Family
ID=25387207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2451189A Expired - Fee Related CA2451189C (en) | 2001-06-20 | 2002-06-06 | Dimensionally stable balloons with fibers distributed in a matrix polymer |
Country Status (8)
Country | Link |
---|---|
US (1) | US6977103B2 (en) |
EP (1) | EP1397169B1 (en) |
JP (1) | JP2004531330A (en) |
AT (1) | ATE407711T1 (en) |
CA (1) | CA2451189C (en) |
DE (1) | DE60228835D1 (en) |
ES (1) | ES2314070T3 (en) |
WO (1) | WO2003000307A1 (en) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
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-
2001
- 2001-06-20 US US09/885,568 patent/US6977103B2/en not_active Expired - Lifetime
-
2002
- 2002-06-06 EP EP02746483A patent/EP1397169B1/en not_active Expired - Lifetime
- 2002-06-06 WO PCT/US2002/018248 patent/WO2003000307A1/en active Application Filing
- 2002-06-06 ES ES02746483T patent/ES2314070T3/en not_active Expired - Lifetime
- 2002-06-06 CA CA2451189A patent/CA2451189C/en not_active Expired - Fee Related
- 2002-06-06 AT AT02746483T patent/ATE407711T1/en not_active IP Right Cessation
- 2002-06-06 JP JP2003506948A patent/JP2004531330A/en active Pending
- 2002-06-06 DE DE60228835T patent/DE60228835D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2003000307A1 (en) | 2003-01-03 |
EP1397169B1 (en) | 2008-09-10 |
ES2314070T3 (en) | 2009-03-16 |
CA2451189C (en) | 2011-06-14 |
US6977103B2 (en) | 2005-12-20 |
EP1397169A1 (en) | 2004-03-17 |
JP2004531330A (en) | 2004-10-14 |
US20010043998A1 (en) | 2001-11-22 |
ATE407711T1 (en) | 2008-09-15 |
DE60228835D1 (en) | 2008-10-23 |
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