US3814137A - Injection site for flow conduits containing biological fluids - Google Patents

Injection site for flow conduits containing biological fluids Download PDF

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Publication number
US3814137A
US3814137A US00326737A US32673773A US3814137A US 3814137 A US3814137 A US 3814137A US 00326737 A US00326737 A US 00326737A US 32673773 A US32673773 A US 32673773A US 3814137 A US3814137 A US 3814137A
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US
United States
Prior art keywords
sleeve
tubing
elastomeric sleeve
elastomeric
inner diameter
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.)
Expired - Lifetime
Application number
US00326737A
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English (en)
Inventor
F Martinez
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.)
Baxter International Inc
Original Assignee
Baxter Laboratories Inc
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 Baxter Laboratories Inc filed Critical Baxter Laboratories Inc
Priority to US00326737A priority Critical patent/US3814137A/en
Priority to CA187,439A priority patent/CA988441A/en
Priority to ZA739284A priority patent/ZA739284B/xx
Priority to IL43787A priority patent/IL43787A/xx
Priority to JP14176873A priority patent/JPS5641251B2/ja
Priority to BE139132A priority patent/BE808946A/xx
Priority to AR251849A priority patent/AR207438A1/es
Priority to IT19099/74A priority patent/IT1006730B/it
Priority to GB34474A priority patent/GB1417529A/en
Priority to IE30/74A priority patent/IE39151B1/xx
Priority to CH63074A priority patent/CH577322A5/xx
Priority to DE19742402135 priority patent/DE2402135C3/de
Priority to NL7400730.A priority patent/NL161362C/xx
Priority to BR74489A priority patent/BR7400489D0/pt
Priority to FR7402319A priority patent/FR2215248B1/fr
Priority to SE7401015A priority patent/SE393536B/xx
Priority to AU64957/74A priority patent/AU486661B2/en
Application granted granted Critical
Publication of US3814137A publication Critical patent/US3814137A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/04—Access sites having pierceable self-sealing members

Definitions

  • a second elastic sleeve surrounds the first elastomeric sleeve, the second sleeve having an unstretched inner diameter which is less than the outer diameter of the elastomeric sleeve.
  • the latex sleeve when a needle penetrates the latex sleeve and the blood tubing, and is thereafter withdrawn after injecting a medicament or taking a sample, the latex sleeve is intended to provide a seal against fluid leaks which occur through the needle puncture in the blood tubing.
  • the prior art resealable injection site has also been observed to leak by the passage of fluid between the vinyl blood tubing and the latex sleeve, until fluid appears at the end of the latex sleeve as a continuous slow leak.
  • the stretching in the latex sleeve is increased, which results in less capability to seal needle punctures.
  • the sealing capability of a fluid conduit of biologically compatable tubing surrounded by an elastomeric sleeve injection site is improved by a second elastic sleeve surrounding the first elastomeric sleeve, in which the second elastic sleeve has an unstretched inner diameter which is less than the outer diameter of the first elastomeric sleeve.
  • the second elastic sleeve prefferably be longer than the first elastomeric sleeve, and to overlie the ends of the elastomeric sleeve.
  • the unstretched inner diameter of the second elastic sleeve should be less than the outer diameter of the biologi cally compatible tubing, to seal the ends of the first elastomeric sleeve against fluid leakage between the elastomeric sleeve and the tubing.
  • the wall thickness of the second sleeve is also desirable for the wall thickness of the second sleeve to be less than one-half of the wall thickness of the elastomeric sleeve, and for-the inner diameter of the second sleeve to be less than the inner diameter of the elastomeric sleeve, so that the degree of stretching of the second sleeve is greater than that of the first elastomeric sleeve, and it tightly seals about the ends of the first sleeve.
  • the' outer diameter of the first elastomeric sleeve as mounted on the tubing is at least about twice the inner diameter of the second elastic sleeve for high compression of the first elastomeric sleeve, although lesser degrees of compression can be used by providing a second sleeve of larger inner diameter.
  • the first elastomeric sleeve is preferably made of natural latex or any other elastomeric material having excellent needle puncture resealing characteristics.
  • the second elastic sleeve is also conveniently made of natural latex, although any elastic material having generally equivalent tensile strength can be used. However, it is generallydesi rable for the second sleeve to also have excellent I needle puncture resealing characteristics equivalent to natural latex.
  • the second elastic'sleeve can be made of a material which shrinks upon drying of solvent in the material or upon heating,
  • FIG. 2 is a longitudinal sectional view taken along line 2-2 of FIG. 1, and enlarged in size.
  • FIG. 3 is a transverse sectional view taken along line 3-3 of FIG. 1 and enlarged in size.
  • tubing 10 is shown as a conduit for blood in a medical device such as a conventional arterial or veinous set for an artificial kidney. Such sets are commercially available at the present time from Travenol Laboratories, Inc. of Morton Grove, Ill. Tubing 10 might also be part of a blood line in a blood oxygenation system. Tubing 10 can be made of any needle-puncturable, biologically compatible material, for example, plastic materials including vinyl plastisol or polyurethane, and silicone rubber.
  • the improved injection site 12 of this invention comprises an elastomeric sleeve 14 surrounding a portion of tubing 10.
  • the unstretched inner diameter of elastomeric sleeve 14 is smaller than the outer diameter of tubing 10 to provide a compressive seal at the interface 22 between sleeve 14 and tubing 10.
  • Second elastic sleeve 16 overlies the first elastomeric sleeve 14, and is longer than elastomeric sleeve 14, so that overlying portions 18, 20 cover the ends of sleeve 14 and provide sealing against any fluid leakage that takes place along the interface 22 between tubing 10 and elastomeric sleeve 14 after puncture by a needle 24, shown in phantom in FIG. 2.
  • Sleeve 16 has less than half the wall thickness of sleeve 14, to permit it to closely conform about the ends of sleeve 14 for improved sealing.
  • Second sleeve 16 is proportioned to compress elastomeric sleeve 14, which compression .provides improved sealing of needle puncture holes through sleeve 14 after the puncturing needle 24 has been withdrawn.
  • the inner diameter of second sleeve l6' is less than the unstretched outer diameter of sleeve 14, so that sleeve 14 is substantially compressed.
  • tubing l in one suitable'form, tubing l has an inner diameter of about 0.18 to 0.2 inch and a wall thickness of about 0.06 to 0.07 inch, to give a total outer diameter of about 0.3 to 0.34 inch.
  • elastomeric sleeve 14 can have an unstretched inner diameter of about 0.2 to 0.3 inch and a wall thickness'of about 0.09 to 0.1 inch.
  • the inner diameter is 0.312 inch and the wallthickness 0.094 inch, to give a total outer diameter of 0.5 inch.
  • the outer diameter of tubing is 0.34 inch.
  • second elastic sleeve 16 may have an inner diameter of about 0.25 inch and a wall thickness of about 0.03. inch. It can thus be seen in the above specific embodiment that the outer diameter of elastomeric sleeve 14 is about twice the inner diameter of second sleeve .16 in the above specific embodiment. Accordingly, sleeve 14 is placed under quite substantial compression by second sleeve 16, which results in an improvement in the sealing characteristics of sleeve 14. Similarly, since the unstretched inner diameter of second sleeve 16 is less than the outer diameter of tubing 10, an additional pressure seal is applied to tubing 10 by end portions 18, 20, resulting in additional sealing about the ends of elastomeric sleeve 14.
  • tubing 10 has an inner diameter of 0.187 inch and a wall thickness of 0.063 inch, while elastomeric sleeve 14 has an inner diameter of 0.25 inch and a wall thickness of 0.094 inch.
  • the remaining dimensions are similar to the previous embodiment.
  • Elastomeric sleeve 14 is generally about 2 to 6 inches long, while second sleeve '16 is about 1 to 3 inches longer than sleeve 14, to provide suitable sealing about the ends of sleeve 14.
  • Sleeves 14 and 16 can be placed upon tubing 10 simply by expanding them with a suitable expansion fork made of a plurality of rods, and lever means for spreading the rods apart, to stretch the sleeves while threading them onto tubing 10 to the desired position. Then the expansion fork is allowed to collapse, and is withdrawn from the inside of each sleeve. Likewise, sleeves l4, 16 can be threaded upon a suitably sized rigid collet, and threaded on the tubing 10, the collet being then withdrawn.
  • a conduit for blood' and the like which comprises needle puncturable, biologically compatible tubing, a portion of said tubing being surrounded by an elastomeric sleeve injection site, the improvement comprising a second, elastic sleeve surrounding said elastomeric sleeve, said second sleeve having an unstretched inner diameter which is less than the outer diameter of said puncturable tubing, to compress said elastomeric sleeve, whereby the sealing of said elastomeric sleeve after puncture by a needle is improved, and in which said second, elastic sleeve is longer than said elastomeric sleeve and overlies the ends of said elastomeric sleeve, to seal the ends of said elastomeric sleeve against fluid leakage between the. elastomeric sleeve and the tubing.
  • the blood conduit of claim 2 in which said tubing has an inner diameter of about 0.18 to 0.2 inch and a wall thickness of about 0.06 to 0.07 inch; said elastomeric sleeve has an unstretched inner diameter of about 0.2 to 0.3 inch and a wall thickness of about 0.09 to 0.1 inch, and said second, elastic sleeve has an unstretched inner diameter of about 0.25 inch and a wall thickness of about 0.03 inch.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
US00326737A 1973-01-26 1973-01-26 Injection site for flow conduits containing biological fluids Expired - Lifetime US3814137A (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
US00326737A US3814137A (en) 1973-01-26 1973-01-26 Injection site for flow conduits containing biological fluids
CA187,439A CA988441A (en) 1973-01-26 1973-12-05 Injection site for flow conduits containing biological fluids
ZA739284A ZA739284B (en) 1973-01-26 1973-12-06 Improved injection site for flow conduits containing biological fluids
IL43787A IL43787A (en) 1973-01-26 1973-12-10 Injection site for flow conduits containing biological fluids
JP14176873A JPS5641251B2 (enExample) 1973-01-26 1973-12-17
BE139132A BE808946A (fr) 1973-01-26 1973-12-21 Perfectionnements apportes aux endroits d'injection prevus dans un conduit servant a l'ecoulement de fluide biologique
AR251849A AR207438A1 (es) 1973-01-26 1974-01-01 Mejoras en un conducto para fluidos biologicos
GB34474A GB1417529A (en) 1973-01-26 1974-01-04 Injection site for flow conduits containing biological fluids
IT19099/74A IT1006730B (it) 1973-01-26 1974-01-04 Mezzo definente la zona di iniezio ne per condotti di flusso contenen ti fluidi biologici
IE30/74A IE39151B1 (en) 1973-01-26 1974-01-07 Improved injection site for flow conduits containing biological fluids
CH63074A CH577322A5 (enExample) 1973-01-26 1974-01-17
DE19742402135 DE2402135C3 (de) 1973-01-26 1974-01-17 Leitung mit einem punktierbaren Schlauch
NL7400730.A NL161362C (nl) 1973-01-26 1974-01-18 Leiding voor bloed en dergelijke, voorzien van een injectieplaats.
BR74489A BR7400489D0 (pt) 1973-01-26 1974-01-23 Local para aplicacao de injecao em condutos de fluxo contendo fluidos biologicos
FR7402319A FR2215248B1 (enExample) 1973-01-26 1974-01-24
SE7401015A SE393536B (sv) 1973-01-26 1974-01-25 Ledning for blod och liknande innefattande ett punkterbart ror
AU64957/74A AU486661B2 (en) 1973-01-26 1974-01-29 Improved injection site for flow conduits containing biological fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00326737A US3814137A (en) 1973-01-26 1973-01-26 Injection site for flow conduits containing biological fluids

Publications (1)

Publication Number Publication Date
US3814137A true US3814137A (en) 1974-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00326737A Expired - Lifetime US3814137A (en) 1973-01-26 1973-01-26 Injection site for flow conduits containing biological fluids

Country Status (15)

Country Link
US (1) US3814137A (enExample)
JP (1) JPS5641251B2 (enExample)
AR (1) AR207438A1 (enExample)
BE (1) BE808946A (enExample)
BR (1) BR7400489D0 (enExample)
CA (1) CA988441A (enExample)
CH (1) CH577322A5 (enExample)
FR (1) FR2215248B1 (enExample)
GB (1) GB1417529A (enExample)
IE (1) IE39151B1 (enExample)
IL (1) IL43787A (enExample)
IT (1) IT1006730B (enExample)
NL (1) NL161362C (enExample)
SE (1) SE393536B (enExample)
ZA (1) ZA739284B (enExample)

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898988A (en) * 1974-04-22 1975-08-12 Cobe Lab Extra corporeal blood access site
US4076023A (en) * 1975-08-01 1978-02-28 Erika, Inc. Resealable device for repeated access to conduit lumens
US4184489A (en) * 1976-10-06 1980-01-22 Cordis Dow Corp. Infusion tube access site
US4619641A (en) * 1984-11-13 1986-10-28 Mount Sinai School Of Medicine Of The City University Of New York Coaxial double lumen anteriovenous grafts
US4698061A (en) * 1984-03-02 1987-10-06 Baxter Travenol Laboratories, Inc. Injection site package
US5116318A (en) * 1989-06-06 1992-05-26 Cordis Corporation Dilatation balloon within an elastic sleeve
US5290306A (en) * 1989-11-29 1994-03-01 Cordis Corporation Puncture resistant balloon catheter
US5478320A (en) * 1989-11-29 1995-12-26 Cordis Corporation Puncture resistant balloon catheter and method of manufacturing
US5538510A (en) * 1994-01-31 1996-07-23 Cordis Corporation Catheter having coextruded tubing
US5797877A (en) * 1993-10-01 1998-08-25 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US5843032A (en) * 1993-10-27 1998-12-01 Schneider (Europe) Ag Catheter with multilayer tube
US5931865A (en) * 1997-11-24 1999-08-03 Gore Enterprise Holdings, Inc. Multiple-layered leak resistant tube
US5961765A (en) * 1994-09-20 1999-10-05 Schneider (Europe) A. G. Method of making a catheter
WO2000047271A1 (en) * 1999-02-11 2000-08-17 Gore Enterprise Holdings, Inc. Multiple-layered leak-resistant tube
US6132824A (en) * 1989-09-25 2000-10-17 Schneider (Usa) Inc. Multilayer catheter balloon
US6136258A (en) * 1991-04-26 2000-10-24 Boston Scientific Corporation Method of forming a co-extruded balloon for medical purposes
US6165166A (en) * 1997-04-25 2000-12-26 Schneider (Usa) Inc. Trilayer, extruded medical tubing and medical devices incorporating such tubing
US6319228B1 (en) 1996-04-26 2001-11-20 Schneider (Europe) A.G. Multilayer interventional catheter
US6659977B2 (en) 1993-10-27 2003-12-09 Schneider (Europe) A.G. Multilayer interventional catheter
US20040210211A1 (en) * 2003-02-26 2004-10-21 Devens Douglas A. Balloon catheter
US20040220664A1 (en) * 1997-11-25 2004-11-04 Trivascular, Inc. Layered endovascular graft
US20040251827A1 (en) * 2003-06-10 2004-12-16 Kang Tae-Min Organic electro luminescent display and method for fabricating the same
US6896842B1 (en) 1993-10-01 2005-05-24 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US20050137614A1 (en) * 2003-10-08 2005-06-23 Porter Christopher H. System and method for connecting implanted conduits
US20060064159A1 (en) * 2003-10-08 2006-03-23 Porter Christopher H Device and method for vascular access
US20060118236A1 (en) * 2004-11-29 2006-06-08 House Wayne D Implantable devices with reduced needle puncture site leakage
US7081129B2 (en) 1998-02-09 2006-07-25 Boston Scientific Santa Rosa Corp. Endovascular graft
US20060217682A1 (en) * 1998-10-23 2006-09-28 Scimed Life Systems, Inc. Catheter having improved bonding region
US7166099B2 (en) 2003-08-21 2007-01-23 Boston Scientific Scimed, Inc. Multilayer medical devices
US20070123968A1 (en) * 2005-11-14 2007-05-31 Artegraft, Inc. Self-sealing vascular graft
US20070167901A1 (en) * 2005-11-17 2007-07-19 Herrig Judson A Self-sealing residual compressive stress graft for dialysis
US20110040262A1 (en) * 2007-10-04 2011-02-17 Cull David L Device and methods to facilitate cannulation and prevent needle puncture bleeding of an arteriovenous fistula
US8066755B2 (en) 2007-09-26 2011-11-29 Trivascular, Inc. System and method of pivoted stent deployment
US8079973B2 (en) 2008-03-05 2011-12-20 Hemosphere Inc. Vascular access system
US8083789B2 (en) 2007-11-16 2011-12-27 Trivascular, Inc. Securement assembly and method for expandable endovascular device
US8216498B2 (en) 2008-09-10 2012-07-10 Boston Scientific Scimed, Inc. Catheter having a coextruded fluoropolymer layer
US8226701B2 (en) 2007-09-26 2012-07-24 Trivascular, Inc. Stent and delivery system for deployment thereof
US8328861B2 (en) 2007-11-16 2012-12-11 Trivascular, Inc. Delivery system and method for bifurcated graft
USRE44639E1 (en) 1997-02-07 2013-12-10 Hemosphere, Inc. Hemodialysis and vascular access system
US8663309B2 (en) 2007-09-26 2014-03-04 Trivascular, Inc. Asymmetric stent apparatus and method
US8992595B2 (en) 2012-04-04 2015-03-31 Trivascular, Inc. Durable stent graft with tapered struts and stable delivery methods and devices
US9278172B2 (en) 2011-09-06 2016-03-08 Cryolife, Inc. Vascular access system with connector
US9427218B2 (en) 2010-03-09 2016-08-30 Solinas Medical Inc. Self-closing devices and methods for making and using them
US9498363B2 (en) 2012-04-06 2016-11-22 Trivascular, Inc. Delivery catheter for endovascular device
US9814560B2 (en) 2013-12-05 2017-11-14 W. L. Gore & Associates, Inc. Tapered implantable device and methods for making such devices
US10159557B2 (en) 2007-10-04 2018-12-25 Trivascular, Inc. Modular vascular graft for low profile percutaneous delivery
US10357385B2 (en) 2015-06-05 2019-07-23 W. L. Gore & Associates, Inc. Low bleed implantable prosthesis with a taper
US10595888B2 (en) 2013-04-13 2020-03-24 Solinas Medical Inc. Self-closing devices and apparatus and methods for making and delivering them
US10596017B2 (en) 2016-04-25 2020-03-24 Solinas Medical Inc. Self-sealing tubular grafts, patches, and methods for making and using them
US10682453B2 (en) 2013-12-20 2020-06-16 Merit Medical Systems, Inc. Vascular access system with reinforcement member
US10792413B2 (en) 2008-03-05 2020-10-06 Merit Medical Systems, Inc. Implantable and removable customizable body conduit
US10925710B2 (en) 2017-03-24 2021-02-23 Merit Medical Systems, Inc. Subcutaneous vascular assemblies for improving blood flow and related devices and methods
US11026704B2 (en) 2017-03-06 2021-06-08 Merit Medical Systems, Inc. Vascular access assembly declotting systems and methods
US11179543B2 (en) 2017-07-14 2021-11-23 Merit Medical Systems, Inc. Releasable conduit connectors
US11331458B2 (en) 2017-10-31 2022-05-17 Merit Medical Systems, Inc. Subcutaneous vascular assemblies for improving blood flow and related devices and methods
US11383072B2 (en) 2017-01-12 2022-07-12 Merit Medical Systems, Inc. Methods and systems for selection and use of connectors between conduits
US11413043B2 (en) 2016-11-10 2022-08-16 Merit Medical Systems, Inc. Anchor device for vascular anastomosis
US11590010B2 (en) 2017-01-25 2023-02-28 Merit Medical Systems, Inc. Methods and systems for facilitating laminar flow between conduits
US11911585B2 (en) 2017-07-20 2024-02-27 Merit Medical Systems, Inc. Methods and systems for coupling conduits

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JPS5523544Y2 (enExample) * 1975-12-25 1980-06-05
JPS52101697A (en) * 1976-02-24 1977-08-25 Denki Kagaku Kogyo Kk Recovery of iron oxide
JPS5457311U (enExample) * 1977-09-30 1979-04-20
JPS56141629U (enExample) * 1980-03-25 1981-10-26
DE3671171D1 (de) * 1986-01-29 1990-06-21 Sinai School Medicine Koaxiale kanuele fuer venoese transplantate.
CN115715827A (zh) * 2021-08-27 2023-02-28 江苏昊普生物医学科技有限公司 体外引流系统和引流导管

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US2053112A (en) * 1932-12-30 1936-09-01 Schnabel Ernst Flexible conductor or flexible parts of conductors
US2907351A (en) * 1955-12-05 1959-10-06 California Research Corp Means for protecting well casing from corrosion
US3566868A (en) * 1968-08-26 1971-03-02 American Hospital Supply Corp Parenteral liquid administration set with injection site and method of making same

Cited By (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898988A (en) * 1974-04-22 1975-08-12 Cobe Lab Extra corporeal blood access site
US4076023A (en) * 1975-08-01 1978-02-28 Erika, Inc. Resealable device for repeated access to conduit lumens
US4184489A (en) * 1976-10-06 1980-01-22 Cordis Dow Corp. Infusion tube access site
US4698061A (en) * 1984-03-02 1987-10-06 Baxter Travenol Laboratories, Inc. Injection site package
US4619641A (en) * 1984-11-13 1986-10-28 Mount Sinai School Of Medicine Of The City University Of New York Coaxial double lumen anteriovenous grafts
US5116318A (en) * 1989-06-06 1992-05-26 Cordis Corporation Dilatation balloon within an elastic sleeve
US5476476A (en) * 1989-06-06 1995-12-19 Cordis Corporation Dilatation balloon assembly
US6132824A (en) * 1989-09-25 2000-10-17 Schneider (Usa) Inc. Multilayer catheter balloon
US5478320A (en) * 1989-11-29 1995-12-26 Cordis Corporation Puncture resistant balloon catheter and method of manufacturing
US5613979A (en) * 1989-11-29 1997-03-25 Cordis Corporation Puncture resistant balloon catheter
US5620649A (en) * 1989-11-29 1997-04-15 Cordis Corporation Puncture resistant balloon catheter
US5290306A (en) * 1989-11-29 1994-03-01 Cordis Corporation Puncture resistant balloon catheter
US6482348B1 (en) 1991-04-26 2002-11-19 Boston Scientific Corporation Method of forming a co-extruded balloon for medical purposes
US7585289B2 (en) 1991-04-26 2009-09-08 Boston Scientific Scimed, Inc. Co-extruded medical balloon
US6136258A (en) * 1991-04-26 2000-10-24 Boston Scientific Corporation Method of forming a co-extruded balloon for medical purposes
US6086556A (en) * 1993-10-01 2000-07-11 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US5797877A (en) * 1993-10-01 1998-08-25 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US7781038B2 (en) 1993-10-01 2010-08-24 Boston Scientific Scimed, Inc. Medical device balloons containing thermoplastic elastomers
US6896842B1 (en) 1993-10-01 2005-05-24 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US8066666B2 (en) 1993-10-27 2011-11-29 Schneider (Europe) A.G. Multilayer interventional catheter
US7635347B2 (en) 1993-10-27 2009-12-22 Schneider (Europe) A.G. Catheter with multilayer tube
US6027477A (en) * 1993-10-27 2000-02-22 Schneider (Europe) A.G. Catheter with multilayer tube
US20100094210A1 (en) * 1993-10-27 2010-04-15 Schneider (Europe) Ag Catheter with Multilayer Tube
US5843032A (en) * 1993-10-27 1998-12-01 Schneider (Europe) Ag Catheter with multilayer tube
US20090137954A1 (en) * 1993-10-27 2009-05-28 Schneider (Europe) Gmbh Multilayer Interventional Catheter
US7485108B2 (en) 1993-10-27 2009-02-03 Schneider (Europe) A.G. Multilayer interventional catheter
US6471673B1 (en) 1993-10-27 2002-10-29 Schneider (Europe) A.G. Catheter with multilayer tube
US7942849B2 (en) 1993-10-27 2011-05-17 Schneider Gmbh Catheter with multilayer tube
US20030088265A1 (en) * 1993-10-27 2003-05-08 Schneider (Europe) A.G. Catheter with multilayer tube
US6659977B2 (en) 1993-10-27 2003-12-09 Schneider (Europe) A.G. Multilayer interventional catheter
US20040092866A1 (en) * 1993-10-27 2004-05-13 Schneider (Europe) A.G. Multilayer interventional catheter
US20060015064A1 (en) * 1993-10-27 2006-01-19 Schneider (Europe) A.G. Catheter with multilayer tube
US6960187B2 (en) 1993-10-27 2005-11-01 Schneider Gmbh Catheter with multilayer tube
US5820594A (en) * 1994-01-31 1998-10-13 Cordis Corporation Balloon catheter
US5538510A (en) * 1994-01-31 1996-07-23 Cordis Corporation Catheter having coextruded tubing
US5824173A (en) * 1994-01-31 1998-10-20 Cordis Corporation Method for making a balloon catheter
US5961765A (en) * 1994-09-20 1999-10-05 Schneider (Europe) A. G. Method of making a catheter
US6319228B1 (en) 1996-04-26 2001-11-20 Schneider (Europe) A.G. Multilayer interventional catheter
USRE44639E1 (en) 1997-02-07 2013-12-10 Hemosphere, Inc. Hemodialysis and vascular access system
US6464683B1 (en) 1997-04-25 2002-10-15 Schneider (Usa) Inc. Trilayer, extruded medical tubing and medical devices incorporating such tubbing
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CH577322A5 (enExample) 1976-07-15
NL161362C (nl) 1980-02-15
CA988441A (en) 1976-05-04
GB1417529A (en) 1975-12-10
IL43787A (en) 1975-12-31
IE39151B1 (en) 1978-08-16
BE808946A (fr) 1974-04-16
JPS5641251B2 (enExample) 1981-09-26
AU6495774A (en) 1975-07-31
DE2402135A1 (de) 1974-08-01
IE39151L (en) 1974-07-26
FR2215248A1 (enExample) 1974-08-23
FR2215248B1 (enExample) 1980-09-05
BR7400489D0 (pt) 1974-12-03
NL7400730A (enExample) 1974-07-30
DE2402135B2 (de) 1977-01-27
IL43787A0 (en) 1974-03-14
JPS507393A (enExample) 1975-01-25
NL161362B (nl) 1979-09-17
IT1006730B (it) 1976-10-20
ZA739284B (en) 1974-10-30
AR207438A1 (es) 1976-10-08
SE393536B (sv) 1977-05-16

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