CN217661050U - 具有含添加剂的中间层的多层管材 - Google Patents
具有含添加剂的中间层的多层管材 Download PDFInfo
- Publication number
- CN217661050U CN217661050U CN202122339460.5U CN202122339460U CN217661050U CN 217661050 U CN217661050 U CN 217661050U CN 202122339460 U CN202122339460 U CN 202122339460U CN 217661050 U CN217661050 U CN 217661050U
- Authority
- CN
- China
- Prior art keywords
- additive
- interlayer
- layer
- tubing
- multilayer pipe
- 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.)
- Active
Links
- 239000000654 additive Substances 0.000 title claims abstract description 57
- 230000000996 additive effect Effects 0.000 claims abstract description 40
- 230000003711 photoprotective effect Effects 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims description 193
- 239000000463 material Substances 0.000 claims description 47
- 239000003086 colorant Substances 0.000 claims description 36
- 239000011229 interlayer Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 21
- 239000006096 absorbing agent Substances 0.000 claims description 17
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 229920006132 styrene block copolymer Polymers 0.000 claims description 12
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000001000 anthraquinone dye Substances 0.000 claims description 6
- 239000000987 azo dye Substances 0.000 claims description 6
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 4
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 4
- 239000012965 benzophenone Substances 0.000 claims description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 4
- 239000012964 benzotriazole Substances 0.000 claims description 4
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003978 infusion fluid Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 20
- 239000000203 mixture Substances 0.000 description 16
- 238000001802 infusion Methods 0.000 description 10
- 239000002952 polymeric resin Substances 0.000 description 9
- 238000001990 intravenous administration Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000004014 plasticizer Substances 0.000 description 7
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 239000001023 inorganic pigment Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- -1 phthalocyanines Substances 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- SAOKZLXYCUGLFA-UHFFFAOYSA-N bis(2-ethylhexyl) adipate Chemical compound CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC SAOKZLXYCUGLFA-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 239000004150 EU approved colour Substances 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical class OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013098 chemical test method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229940006093 opthalmologic coloring agent diagnostic Drugs 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a general shape other than plane
- B32B1/08—Tubular products
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61L29/04—Macromolecular materials
- A61L29/041—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- 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
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- 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
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M39/08—Tubes; Storage means specially adapted therefor
-
- 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
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0055—Resistive to light
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
- B29L2023/007—Medical tubes other than catheters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/248—All polymers belonging to those covered by group B32B25/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
- B32B2264/1022—Titania
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/12—Mixture of at least two particles made of different materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
Abstract
本实用新型提供了一种具有含添加剂的中间层的多层管材,例如用于施用静脉内流体的医用管材,该管材可以包括内层、在内层周围并围绕内层同心布置的外层、以及介于内层和外层之间的中间层。中间层可以在其中包括光保护添加剂。
Description
技术领域
本公开总体上涉及管材,尤其涉及用于通过输注来施用医用流体的医用管材。
背景技术
塑料管材广泛用于医疗领域,特别是用于患者分析和治疗程序。然而,医用管材需要不同且有时不相容的需求。例如,医疗管材应该是惰性的并且避免通过其进行输送的流体受到污染。但是许多具有这种特性的塑料材料往往不是柔性的。然而,在许多应用中,医疗管材被缠住或夹住,或与通过压缩管材使流体通过管材的输注泵一起使用。这种用途要求管材是柔性的。
为了满足对医疗管材的不同要求,这种管材被制成具有多个不同聚合物材料的层或具有添加剂(如增塑剂),以改变管材的特性。然而,由不同材料制成的多层管材可能会出现分层,因此有时在不相容的材料之间包括粘合剂“连接层”。此外,用添加剂制成的管材有可能将添加剂迁移到通过其输送的流体中和将其污染。此外,增塑的聚合物材料诸如增塑聚氯乙烯可能具有粘性并导致管材阻塞和撕裂。
实用新型内容
鉴于上述挑战,对能够满足医疗应用的不同需求的医疗管材存在持续需求。
根据本公开的各种实施方案,管材例如用于施用静脉内流体的医用管材,可以包括内层、在内层周围并围绕内层同心布置的外层、以及介于内层和外层之间的中间层。中间层可以在其中包括光保护添加剂。
有利地,所述内层、所述外层和所述中间层由相同的基础树脂材料形成。
有利地,所述光保护添加剂包含在所述中间层的基础树脂材料中并且包含预定浓度的紫外(UV)光吸收剂或蓝光吸收剂中的至少一种。
有利地,所述基础树脂材料包括增塑的聚氯乙烯。
有利地,所述基础树脂材料包括聚氯乙烯、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR、EPDM/PP或其他类似弹性体材料中的至少一种。
有利地,所述中间层还包含着色剂或呈现黄色、琥珀色或棕色的着色剂的混合物。
有利地,所述着色剂或所述着色剂的混合物包括有机染料,如偶氮染料、蒽醌染料、酞菁,或无机颜料,如二氧化钛、氧化铁、氧化铬和其它金属氧化物和金属颜料。
有利地,所述内层和所述外层以沿着所述管材的长度与所述中间层直接接触的方式共挤出。
有利地,所述中间层的厚度小于所述内层或所述外层中的至少一层的厚度。
有利地,所述中间层的厚度大于所述内层或所述外层中的至少一层的厚度。
有利地,所述光保护添加剂包括UV光吸收剂,所述UV光吸收剂包括苯并三唑、二苯甲酮或三嗪或它们的组合中的至少一种。
有利地,所述中间层还包括条纹标识符或不透射线材料中的至少一种。
根据本公开的各种实施方案,形成多层管材的方法可包括将基础聚合物树脂材料共挤出成多层管材的内层、外层和中间层。中间层可以包括具有预定浓度的光保护添加剂。
有利地,所述光保护添加剂包含预定浓度的紫外(UV)光吸收剂或蓝光吸收剂中的至少一种。
有利地,所述中间层还包含预定浓度的着色剂或使得中间层呈现黄色、琥珀色或棕色的着色剂的混合物。
有利地,所述着色剂或所述着色剂的混合物包括有机染料,如偶氮染料、蒽醌染料、酞菁,或无机颜料,如二氧化钛、氧化铁、氧化铬和其它金属氧化物和金属颜料。
有利地,所述中间层被共挤出成厚度小于所述内层和所述外层的厚度。
有利地,所述中间层被挤出成小于0.8mm的厚度。
有利地,所述基础聚合物树脂材料包括聚氯乙烯、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR、EPDM/PP或其他类似弹性体材料中的至少一种。
有利地,所述中间层还包括条纹标识符或不透射线材料中的至少一种。
根据本公开,本发明主题技术的额外优势对于本领域技术人员从以下具体实施方式将变得显而易见,其中,只有本主题技术的某些方面是简单地通过示例的方式示出和描述的。如将会认识到的,本主题技术能够具有其他和不同的配置,并且其若干细节能够在各种其他方面进行修改,所有这些都不脱离本主题技术。因此,附图和说明书应被视为本质上是说明性的而不是限制性的。
附图说明
所包括的用以提供对说明书的进一步理解的且包含在说明书中并构成本说明书的一部分的附图示出了公开的实施方案并与说明书一起用于解释所公开的实施方案的原理。在所述附图中:
图1示出了根据本公开的一方面的三层管材的横截面图。
具体实施方式
以下阐述的具体实施方式描述了本主题技术的各种配置,而并非旨在表示可以实践本主题技术的唯一配置。为了提供对主题技术的全面理解,详细描述包括具体细节。因此,提供关于某些方面的维度作为非限制性示例。然而,对于本领域技术人员将显而易见的是,可以在没有这些具体细节的情况下实践本主题技术。在一些例子中,为了避免模糊贯穿本主题技术的构思,以框图形式示出周知的结构和元件。
应当理解,本公开包括主题技术的示例并且不限制所附权利要求的范围。现在将根据特定但非限制性的示例公开主题技术的各个方面。本公开中描述的各种实施方案可以以不同的方式和变型并且根据期望的应用或实现方式来执行。
本主题技术的各方面涉及管材,尤其涉及用于通过输注来施用医用流体的医用管材。本公开的各个方面提供了一种具有夹心三层结构的医用级管材,该三层结构包括内层、外层和介于内层和外层树脂材料之间并连接到内层和外层树脂材料的中间层。在一些实施方案中,内层、外层和中间层可以由相同的基础聚合物树脂材料形成。内层、外层和中间层可以由相同的基础聚合物树脂材料形成的这种构造有利地避免了对传统需要的用以保持多层之间的结合并防止管材的多层发生分层的连接层的需要。例如,由于三层中的每一层都使用具有相同极性和化学组成的相同相容型基础树脂,因此无需在其间设置连接层以防止管材的内层、外层和中间层分层。
医用管材可包括各种添加剂和/或着色剂。例如,用于向患者递送药物和营养物的医用管材通常需要满足必要的临床应用要求,例如,250至450nm范围内的光保护能力,至少90%的阻塞以保护流入管材的光敏医用流体。着色剂也可以包含在医用管材中,作为特定临床用途的标识符。
根据本公开的各种实施方案,可以将光保护添加剂和/或着色剂结合到中间层的载体树脂中。光保护添加剂可以有利地提供上述光保护能力范围以保护在管材中流动的光敏医用流体免于暴露于光,否则光可能降解光敏医用流体和/或改变它们的化学组成,使它们不适合其预期用途。
将光保护添加剂和/或着色剂结合到中间层中的上述构造的进一步有利之处在于,内层用作屏障以防止光保护添加剂和/或着色剂中的任何潜在刺激性化学物质泄漏到在管腔中流动的药用流体中,否则会污染医用流体。
在此描述的各种实施方案的多层(例如,三层)管材可以利用包含光保护添加剂的单独的化学品包装,然后将其并入中间层的载体树脂中。然后可以将管材挤出成单层或多层,如下文将进一步详细描述的。如本文所述,多层(例如,三层)管材被配置为能够经受并通过针对耐光输注套件的严格测试规定。例如,中国食品药品监督管理局(cFDA)最近发布了一次性输注用耐光输注组件的标准规定,其中低和高pH值、65%乙醇和50%PEG溶液在37℃在输注组件内循环2小时。如果提取的介质的颜色比透明的65%乙醇和50%PEG溶液更深,则规定认为测试失败。在进一步的cFDA测试规定中,输注组件在60℃下孵育24 小时,然后用棉花擦拭约1米长的外管层。如果在用于擦拭管材的棉花表面发现着色剂明显迁移到管材外层,则该规定认为测试失败。这些对内层进行化学测试和外层物理测试的严格测试条件决定了需要一种替代方法来保持管层中添加剂的完整性。因此,本公开的各种实施方案涉及提供具有包含活性光保护添加剂和/或着色剂的中间层的三层管设计构造。三层管的内层有利地充当屏障以避免医用流体和光保护添加剂或着色剂的直接接触。外层充当另一个屏障以防止添加剂从中间层迁移到三层管的外表面上。
本公开的管材的另一个好处是中间层可以包括着色剂、紫外线阻隔剂、不透射线的条带以及其他添加剂中的一种或多种。此类添加剂可用于设计有色管材和/或耐光管材,而无需担心此类添加剂浸出到由管材传输的流体中,因为内层可防止此类添加剂的迁移。
本公开的三层管可特别适用于静脉组件和/或输注泵,用于将静脉流体输送到患者。将流体容器静脉内连接到患者的管材、阀门、配件和针头的组件可被称为“静脉内组件”或“IV组件”。输注组件可以包括根据本公开的管材,该管材被结合到IV组件的部件,例如医疗连接器、滴注室、鲁尔接头、针头、止回阀、过滤器和无针阀等,以实现医疗输送至患者要么用作重力组件,要么由医用泵控制以进行程序化的医疗输送程序。
图1示出了根据本公开的一方面的三层管材的横截面图。如图所示,管材例如医用管材100,可以包括内层10、在内层周围并围绕内层同心布置的外层 20、以及介于内层10和外层20之间的中间层30。在一些实施方案中,外层、内层和中间层可以各自由相同的基础材料形成。例如,内层10、外层20和中间层30可以由相同的聚合物树脂材料共挤出。层10、20和30可以共挤出使得外层20直接接触中间层30,中间层30继而沿着管长度直接接触内层10,而在外层20和内层10之间或内层10和中间层30之间没有连接层。
内层、外层和中间层10、20和30由相同的基础树脂材料形成的上述构造有利地避免了对传统需要的用以保持多层之间的结合并防止管材的多层发生分层的连接层的需要。例如,由于三层中的每一层都使用具有相同极性和化学组成的相同相容型基础树脂,因此无需在其间设置连接层以防止管材100的各层 10、20和30分层。
根据一些实施方案,所述基础树脂材料可以包括聚氯乙烯(PVC)、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR、 EPDM/PP或其他类似弹性体材料中的至少一种或组合。可用于本公开的管材的层10、20和30的基础树脂聚合物材料包括但不限于医用级塑料材料例如聚氯乙烯(PVC),及其共聚物和此类聚合物的共混物。在一些实施方案中,可以通过包括不同量的增塑剂使诸如PVC的医用级塑料材料具有柔性。
例如,可以通过在内层10的聚合物材料中包含比外层20和中间层30更少量或不同类型的增塑剂来实现柔性或硬度的差异。在一些实施方案中,增塑剂的量或不同类型的增塑剂应足以有利地使外层或中间层的硬度比内层10的硬度小至少约5个硬度单位。在一些实施方案中,例如,内层10可以具有比外层20 和中间层30更少量的相同增塑剂以实现更高的硬度。在一些方面,邻苯二甲酸酯如邻苯二甲酸二(2-乙基己基)酯(DEHP)和己二酸酯如己二酸二(2-乙基己基)酯 (DEHA)可用作医用级PVC管材中的增塑剂。
根据本公开的各种实施方案,内层、外层和中间层10、20和30可以由相同的基础聚合物树脂材料制成,但是中间层30可以包括光保护添加剂。光保护添加剂可以分散在或以其他方式包含在中间层的基础树脂材料中。在一些实施方案中,光保护添加剂可包括预定浓度的紫外(UV)光吸收剂。例如,所述光保护添加剂可以包括预定浓度的苯并三唑、二苯甲酮或三嗪或它们的组合中的至少一种。在一些实施方案中,光保护添加剂可包括预定浓度的蓝光吸收剂。
根据本公开的各个方面,所述中间层还可以包含着色剂或呈现黄色、琥珀色或棕色的着色剂的混合物。例如,所述着色剂或着色剂混合物可以包括有机染料,如偶氮染料、蒽醌染料、酞菁,或无机颜料,如二氧化钛、氧化铁、氧化铬,和其它金属氧化物和金属颜料中的至少一种或组合。由于内层10和外层 20可用作防止着色剂迁移的屏障,因此此类着色剂可用于设计着色中间层,而无需担心此类着色剂浸出到由管道输送的流体中。
在一些实施方案中,中间层30的厚度小于内层10和外层20中每一个的厚度。例如,在一些实施方案中,内层和外层10和20可各自具有范围为0.2mm 至0.8mm,例如0.4mm至0.6mm的厚度。中间层可以具有为内层或外层的10%至90%的厚度,例如小于0.8mm,例如小于0.4mm或小于0.2mm的厚度。鉴于入射在管材100上的光的特定波长,中间层具有小于0.8至0.2mm的厚度的构造在增加中间层30的光阻挡或保护能力方面可能是有利的。例如,较薄的中间层可以提供更理想的入射在管材100上的光的特定波长的光的透射率。在一些实施方案中,内层、外层和中间层的组合厚度可以小于或等于0.8mm,其中中间层的厚度小于内层10和外层20中的每一个的厚度。此外,在一些实施方案中,本公开的管材可以具有从约1.5mm至约6mm,例如2mm至4mm范围内的流体流过的内径。
因此,将上述光保护添加剂或着色剂引入管材的中间层30中可有利地提供至少在250至450nm范围内的最小必要光保护能力,且具有最小90%阻挡或最小10%透射率。因此,可以保护在管材100中流动的光敏医用流体免受有害的光照射,否则可能会降解光敏医用流体和/或改变它们的化学组成,使得如果进入患者血液,它们可能对患者有害。
在一些实施方案中,中间层还可包括不透射线材料。不透射线材料可以有利地用作X射线敏感跟踪标记,以识别管材在人体中的位置。
在一些实施方案中,中间层还可包括条纹标识符。在某些方面,患者的身体在不同的位置连接有多个管材。例如,患者可具有静脉内(IV)管、皮下管、硬膜外管、饲管、动脉管线或管道、多条引流管线或管道中的一种或多种。在这些情况下,条纹标识符可以有利地对管材进行颜色编码以防止错误的药物进入身体的错误位置。颜色代码有助于确保药物或其他医用流体易于识别,并与相应管材的最终位置相关联。因此,可以避免与将错误药物递送到身体上错误位置相关联的严重不利影响。
根据本公开的各种实施方案,形成多层管材100的方法可包括将基础聚合物树脂材料共挤出成多层管材的内层10、外层20和中间层30。层10、20和30 可以共挤出使得外层20直接接触中间层30,中间层30继而沿着管长度直接接触内层10,而在外层20和内层10之间或内层10和中间层30之间没有连接层。形成多层管的方法还可包括在共挤出之前将具有预定浓度的光保护添加剂引入中间层30中。在一些实施方案中,光保护添加剂可包括紫外(UV)光吸收剂或蓝光吸收剂、着色剂或呈现黄色、琥珀色或棕色的着色剂的混合物、不透射线材料或条纹标识符中的一种或多种。
因此,本公开的各种实施方案在与内层或外层相反的中间层中引入活性添加剂,以最小化和避免如上所述的着色剂迁移到管的外表面的管测试失败。进一步有利地,本公开的各种实施方案在与内层或外层相反的中间层中引入活性添加剂,以减少与迁移到管腔中并导致被所施用的流体危险污染的添加剂相关的潜在风险。在将流体引入体内时,污染可能变得更加严重,并且可能发生由此导致的血液污染。
更有利的是,由于内层、外层和中间层由相同的聚合物基础材料制成,这些层更容易相容并且可以更容易融合在一起,从而避免或最小化在外层、内层和中间层之间包括粘合剂或连接层的需要,极大地简化并降低了制造此类管材的挤出工艺的成本。
在本公开的一个或多个方面,一种管材包括内层、在内层周围并围绕内层同心布置的外层、以及介于内层和外层之间的中间层,其中所述中间层包括在其中包含的光保护添加剂。
根据本公开的各个方面,所述内层、外层和中间层由相同的基础树脂材料形成。根据本公开的各个方面,所述光保护添加剂包含在所述中间层的基础树脂材料中并且包含预定浓度的紫外(UV)光吸收剂或蓝光吸收剂中的至少一种。根据本公开的各个方面,所述基础树脂材料包括增塑的聚氯乙烯。根据本公开的各个方面,所述基础树脂材料包括聚氯乙烯、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR、EPDM/PP或其他类似弹性体材料中的至少一种。根据本公开的各个方面,所述中间层还包含着色剂或呈现黄色、琥珀色或棕色的着色剂的混合物。
根据本公开的各个方面,所述着色剂或着色剂混合物包括有机染料,如偶氮染料、蒽醌染料、酞菁,或无机颜料,如二氧化钛、氧化铁、氧化铬和其它金属氧化物和金属颜料。根据本公开的各个方面,所述内层和外层沿着所述管材的长度与所述中间层直接接触共挤出。根据本公开的各个方面,所述中间层的厚度小于所述内层或外层中的至少一层的厚度。根据本公开的各个方面,所述中间层的厚度大于所述内层或外层中的至少一层的厚度。根据本公开的各个方面,所述光保护添加剂包括UV光吸收剂,所述UV光吸收剂包括苯并三唑、二苯甲酮或三嗪或它们的组合中的至少一种。根据本公开的各个方面,所述中间层还包括条纹标识符或不透射线材料中的至少一种。
根据本公开的一个或多个实施方案,形成多层管材的方法包括将基础聚合物树脂材料共挤出成多层管材的内层、外层和中间层,其中所述中间层包括具有预定浓度的光保护添加剂。
根据本公开的各个方面,所述光保护添加剂包含预定浓度的紫外(UV)光吸收剂或蓝光吸收剂中的至少一种。根据本公开的各个方面,所述中间层还包含预定浓度的着色剂或使得中间层呈现黄色、琥珀色或棕色的着色剂的混合物。根据本公开的各个方面,所述着色剂或着色剂混合物包括有机染料,如偶氮染料、蒽醌染料、酞菁,或无机颜料,如二氧化钛、氧化铁、氧化铬和其它金属氧化物和金属颜料。
根据本公开的各个方面,所述中间层被共挤出成厚度小于所述内层和外层的厚度。根据本公开的各个方面,所述中间层被挤出成小于0.8mm的厚度。根据本公开的各个方面,所述基础聚合物树脂材料包括聚氯乙烯、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR、EPDM/PP 或其他类似弹性体材料中的至少一种。根据本公开的各个方面,所述中间层还包括条纹标识符或不透射线材料中的至少一种。
应当理解,所公开的方法或过程中的模块的任何特定顺序或层次结构是对示例方法的说明。可以理解,基于设计或实施偏好,可以重新排列过程中的模块的特定顺序或层次结构,或者执行所有图示的模块。在一些实施方式中,可以同时执行任何模块。
提供本公开以使本领域的任何技术人员能够实践本文描述的各个方面。本公开提供主题技术的各种示例,并且主题技术不限于这些示例。对这些方面的各种修改对于本领域技术人员来说将是显而易见的,并且这里定义的一般原理可以应用于其他方面。
除非特别说明,否则以单数形式提及一个元素并不意味着“一个且只有一个”,而是“一个或多个”。除非另有特别说明,术语“一些”是指一个或多个。阳性代词(例如,他)包括阴性和中性(例如,她和它),反之亦然。标题和副标题,如果有的话,只是为了方便而使用,并不限制本发明。
“示例性”一词在本文中用于表示“用作示例或说明”。在此描述为“示例性”的任何方面或设计不一定被解释为优于或比其他方面或设计有利。一方面,在此描述的各种替代配置和操作可以被认为是至少等效的。
如本文所用,在一系列项目之前的短语“至少一个”,用术语“或”来分隔任何项目时,是将列表作为一个整体修饰,而不是修饰列表中的每个项目。短语“至少一个”不需要选择至少一个项目;相反,该短语允许包括任何一个项目中的至少一个,和/或项目的任何组合中的至少一个,和/或每个项目中的至少一个的含义。例如,短语“A、B或C中的至少一个”可以指:仅A、仅B或仅C;或A、B和C的任意组合。
诸如“方面”之类的短语并不暗示该方面对于主题技术是必不可少的或该方面适用于该主题技术的所有配置。与一个方面相关的公开可适用于所有配置,或者一个或多个配置。一个方面可以提供一个或多个示例。诸如方面之类的短语可以指一个或多个方面,反之亦然。诸如“实施方案”之类的短语并不暗示该实施方案对于主题技术是必不可少的或该实施方案适用于该主题技术的所有配置。与一个实施方案相关的公开可适用于所有实施方案,或者一个或多个实施方案。一个实施方案可以提供一个或多个示例。诸如实施方案之类的短语可以指一个或多个实施方案,反之亦然。诸如“实施方案”之类的短语并不暗示该配置对于主题技术是必不可少的或该配置适用于该主题技术的所有配置。与一个配置相关的公开可适用于所有配置,或者一个或多个配置。一个配置可以提供一个或多个示例。诸如配置之类的短语可以指一个或多个配置,反之亦然。
在一个方面,除非另有说明,本说明书中,包括所附权利要求中阐述的所有测量值、值、额定值、位置、大小、尺寸和其它规格是近似的,而不是精确的。在一个方面,它们旨在具有与它们相关的功能以及它们所属领域的惯例一致的合理范围。
应当理解,所公开的步骤、操作或过程的特定顺序或层次结构是对示例性方法的说明。可以理解,基于设计偏好,可以重新安排步骤、操作或过程的特定顺序或层次结构。一些步骤、操作或过程可以同时执行。一些或所有步骤、操作或过程可以自动执行,而无需用户干预。随附的方法权利要求(如果有的话)以样品顺序呈现各个步骤、操作或过程的元素,并且不意味着限于呈现的特定顺序或层次结构。
对本领域普通技术人员来说是已知的或后来变得已知的本公开通篇描述的各方面的元素的所有结构和功能等效物,在本文中通过参考明确引用并旨在被权利要求书所涵盖。此外,无论权利要求书中是否明确记载了此类公开,本文所公开的任何内容均不旨在专供公众使用。任何权利要求要素不根据35 USC. §112(f)的规定解释,除非该要素使用短语“用于...装置”明确表述,或者在方法权利要求的情况下,使用短语“用于...步骤”表述要素。此外,就使用术语“包括”、“具有”等而言,此类术语旨在以类似于术语“包含”的方式包含在内,因为“包含”在一个权利要求中用作过渡时被解释。
本公开的标题、背景技术、实用新型内容、附图说明和摘要在此并入本公开并作为本公开的说明性示例而不是限制性描述提供。它被提交并具有以下理解:它不是用于限制权利要求的范围或含义。此外,在具体实施方式中,可以看出,该描述提供了说明性示例,并且为了简化公开的目的,各种特征在各种实施方案中被组合在一起。本公开的方法不被解释为反映所要求保护的主题要求比每个权利要求中明确记载的特征更多的特征的企图。相反,如所附权利要求所反映的,发明主题在于少于单个公开的配置或操作的所有特征。以下权利要求由此被并入到具体实施方式中,其中每个权利要求独立地作为单独要求保护的主题。
权利要求不旨在限于本文所述的各方面,而是符合与语言权利要求一致的完整范围并包含所有合法的等效物。无论如何,权利要求都不旨在包含不能满足35 USC§101、102或103的要求的主题,也不应以这种方式来解释。
Claims (12)
1.一种具有含添加剂的中间层的多层管材,其特征在于所述管材包括内层、在内层周围并围绕内层同心布置的外层、以及介于内层和外层之间的中间层,其中所述中间层包括在其中包含的光保护添加剂。
2.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述内层、所述外层和所述中间层由相同的基础树脂材料形成。
3.根据权利要求2所述的具有含添加剂的中间层的多层管材,其特征在于所述光保护添加剂包含在所述中间层的基础树脂材料中并且包含预定浓度的紫外(UV)光吸收剂或蓝光吸收剂中的一种。
4.根据权利要求2所述的具有含添加剂的中间层的多层管材,其特征在于所述基础树脂材料为增塑的聚氯乙烯。
5.根据权利要求2所述的具有含添加剂的中间层的多层管材,其特征在于所述基础树脂材料为聚氯乙烯、苯乙烯嵌段共聚物(SBC)、聚烯烃、热塑性聚氨酯(TPU)、聚酯、聚醚、硅树脂HCR或EPDM/PP中的一种。
6.根据权利要求2所述的具有含添加剂的中间层的多层管材,其特征在于所述中间层还包含导致中间层呈现黄色、琥珀色或棕色的着色剂。
7.根据权利要求6所述的具有含添加剂的中间层的多层管材,其特征在于所述着色剂为偶氮染料、蒽醌染料、酞菁,二氧化钛、氧化铁和氧化铬中的一种。
8.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述内层和所述外层以沿着所述管材的长度与所述中间层直接接触的方式共挤出。
9.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述中间层的厚度小于所述内层或所述外层中的至少一层的厚度。
10.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述中间层的厚度大于所述内层或所述外层中的至少一层的厚度。
11.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述光保护添加剂包括UV光吸收剂,所述UV光吸收剂包括苯并三唑、二苯甲酮或三嗪中的一种。
12.根据权利要求1所述的具有含添加剂的中间层的多层管材,其特征在于所述中间层还包括条纹标识符或不透射线材料中的至少一种。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/033,511 | 2020-09-25 | ||
US17/033,511 US20220099223A1 (en) | 2020-09-25 | 2020-09-25 | Multilayer tubing having intermediate layer with additives |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217661050U true CN217661050U (zh) | 2022-10-28 |
Family
ID=78414723
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111130689.6A Pending CN114247031A (zh) | 2020-09-25 | 2021-09-26 | 具有含添加剂的中间层的多层管材 |
CN202122339460.5U Active CN217661050U (zh) | 2020-09-25 | 2021-09-26 | 具有含添加剂的中间层的多层管材 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111130689.6A Pending CN114247031A (zh) | 2020-09-25 | 2021-09-26 | 具有含添加剂的中间层的多层管材 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20220099223A1 (zh) |
EP (1) | EP4217191A1 (zh) |
JP (1) | JP2023544090A (zh) |
CN (2) | CN114247031A (zh) |
AU (1) | AU2021347153A1 (zh) |
BR (1) | BR112023003790A2 (zh) |
CA (1) | CA3193054A1 (zh) |
MX (1) | MX2023002486A (zh) |
WO (1) | WO2022066665A1 (zh) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4303457A (en) * | 1975-10-06 | 1981-12-01 | Eaton Corporation | Method of making a semi-conductive paint hose |
DE3204762C2 (de) * | 1982-02-11 | 1986-02-06 | REHAU AG + Co, 8673 Rehau | Technisches Zubehör für medizinische Arbeitsgeräte |
US4469483A (en) * | 1982-08-25 | 1984-09-04 | Baxter Travenol Laboratories, Inc. | Radiopaque catheter |
US6007520A (en) * | 1992-02-12 | 1999-12-28 | Daikyo Gomu Seiko, Ltd. | Medical instrument |
US6860849B2 (en) * | 2000-05-08 | 2005-03-01 | Pentax Corporation | Flexible tube for an endoscope |
US20060178485A1 (en) * | 2003-03-14 | 2006-08-10 | Jsr Corporation | Hydrogenated diene copolymer, polymer composition, and molded object |
JP4509033B2 (ja) * | 2004-01-27 | 2010-07-21 | 宇部興産株式会社 | 積層チューブ |
JP5828700B2 (ja) * | 2010-07-28 | 2015-12-09 | 株式会社ブリヂストン | 触媒組成物、触媒組成物を用いたノルボルネン系共重合体の製造方法、及びノルボルネン系共重合体、更には、その共重合体を用いた耐熱性フイル |
JP6059911B2 (ja) * | 2011-08-31 | 2017-01-11 | リケンテクノス株式会社 | 塩化ビニル樹脂組成物 |
EP3037072B1 (en) * | 2014-12-23 | 2020-04-22 | Cook Medical Technologies LLC | Introducer with side opening |
EP3299165B1 (de) * | 2016-09-21 | 2020-08-12 | Evonik Operations GmbH | Mehrschichtiger hohlkörper mit hoher auswaschbeständigkeit |
JP7251145B2 (ja) * | 2017-11-22 | 2023-04-04 | 三菱ケミカル株式会社 | エチレン-ビニルアルコール系共重合体組成物、溶融成形用材料および多層構造体、ならびに多層パイプ |
EP3742033A4 (en) * | 2018-01-16 | 2021-10-13 | Ube Industries, Ltd. | MULTI-LAYER HOSE |
-
2020
- 2020-09-25 US US17/033,511 patent/US20220099223A1/en active Pending
-
2021
- 2021-09-21 JP JP2023516193A patent/JP2023544090A/ja active Pending
- 2021-09-21 AU AU2021347153A patent/AU2021347153A1/en active Pending
- 2021-09-21 WO PCT/US2021/051362 patent/WO2022066665A1/en active Application Filing
- 2021-09-21 BR BR112023003790A patent/BR112023003790A2/pt unknown
- 2021-09-21 CA CA3193054A patent/CA3193054A1/en active Pending
- 2021-09-21 EP EP21799381.5A patent/EP4217191A1/en active Pending
- 2021-09-21 MX MX2023002486A patent/MX2023002486A/es unknown
- 2021-09-26 CN CN202111130689.6A patent/CN114247031A/zh active Pending
- 2021-09-26 CN CN202122339460.5U patent/CN217661050U/zh active Active
Also Published As
Publication number | Publication date |
---|---|
BR112023003790A2 (pt) | 2023-04-04 |
CN114247031A (zh) | 2022-03-29 |
JP2023544090A (ja) | 2023-10-20 |
AU2021347153A1 (en) | 2023-05-04 |
EP4217191A1 (en) | 2023-08-02 |
AU2021347153A9 (en) | 2024-02-08 |
WO2022066665A1 (en) | 2022-03-31 |
US20220099223A1 (en) | 2022-03-31 |
CA3193054A1 (en) | 2022-03-31 |
MX2023002486A (es) | 2023-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6203754B2 (ja) | 複層管 | |
CN217661050U (zh) | 具有含添加剂的中间层的多层管材 | |
US20230347127A1 (en) | Continuous tubing with alternating compositions for medical devices | |
WO2021076990A1 (en) | Multilayer medical tubing with enhanced adhesion | |
US11453191B2 (en) | Multilayer tubing having layers with different plasticizer | |
US11684755B2 (en) | Medical connectors having integrated adhesive backing | |
US11560960B2 (en) | Color changing and pressure sensing check valves | |
US20230133021A1 (en) | Medical tubing and formulations therefor | |
EP3721852A1 (en) | Package | |
US20240123211A1 (en) | Universal fluid connector assembly with a regulating valve component | |
EP4114482A1 (en) | Infusion connection line | |
CN114191643A (zh) | 用于重力静脉注射套件的压力致动的流动控制装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |