EP3773863A1 - Mehrschichtiger schlauch für ein infusionsset zur abgabe eines fluids - Google Patents
Mehrschichtiger schlauch für ein infusionsset zur abgabe eines fluidsInfo
- Publication number
- EP3773863A1 EP3773863A1 EP19716990.7A EP19716990A EP3773863A1 EP 3773863 A1 EP3773863 A1 EP 3773863A1 EP 19716990 A EP19716990 A EP 19716990A EP 3773863 A1 EP3773863 A1 EP 3773863A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- equal
- particularly preferably
- fluid
- inner layer
- layer
- 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.)
- Withdrawn
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
- 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
- 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 non-planar shape
- B32B1/08—Tubular products
-
- 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
- B32B27/40—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
- B32B2535/00—Medical equipment, e.g. bandage, prostheses or 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
Definitions
- Multilayer hose for an infusion set for delivering a fluid
- the invention relates to a multilayer hose, in particular a multilayer hose
- Such tubing is used, for example, in conjunction with an infusion set to deliver or administer a fluid, particularly a fluid medicament, to a patient.
- Infusion sets may serve to administer the fluid, particularly the fluid drug.
- the infusion set is preferably connectable to a fluid delivery device, whereby the fluid, in particular the fluid medicament, can be administered into the body of the patient via a cannula provided on the infusion set, in particular via a transdermal cannula provided on the infusion set.
- the infusion set may be replaced after use with a new infusion set, so that the fluid delivery device can be used for further use.
- Hoses for an infusion set serve to transport the fluid, particularly the fluid drug, from the fluid delivery device to the cannula of the infusion set to the patient.
- Such hoses must meet several requirements, in particular have a mobility, ensure tensile strength and tensile strength, be compatible with the fluid to be delivered to the patient and / or ensure the visibility of the phase boundary between gas, especially air and liquid, in particular fluid.
- the term "medicament” includes any fluid medical formulation suitable for controlled administration through an agent, such as a cannula or hollow needle, including, for example, a liquid, solution, gel or fine suspension (s) containing one or more medicinal agents
- Drug may be a single drug composition or a premixed or co-formulated multi-drug composition from a single container
- Drug includes drugs such as peptides (eg, insulins, insulin-containing drugs, GLP) 1 containing as well as derived or analogous preparations), proteins and hormones, biologically derived or active
- Active substances active substances based on hormones or genes, nutrient formulations, enzymes and other substances both in solid (suspended) or liquid form but also polysaccharides, vaccines, DNA or RNA or oligonucleotides, antibodies or parts of antibodies and suitable basic, auxiliary and carriers.
- Multilayer hoses for an infusion set are known from the prior art.
- a multilayer tube for an infusion set is known, for example, from the patent WO2013 / 109329 A1.
- the patent WO2013 / 109329 A1 describes a three-layered polymer tube for a
- Infusion set with an outer layer of polyurethane, an inner layer of polyethylene and a
- the disadvantage is that the layer between the outer and the inner layer to the Patients can contaminate fluid to be dispensed. Further, it is disadvantageous that the inner layer of the tube can absorb preservative of the fluid to be delivered to the patient, so that the durability of the fluid to be delivered to the patient is limited.
- the invention is based on a multilayer tube for an infusion set.
- Such tubing may be used in conjunction with infusion sets to permanently or repeatedly deliver or deliver fluid to a patient.
- Infusion sets are commonly used in the treatment of diabetes, with permanent or repeated insulin being delivered to the patient.
- Multilayer tubes, in particular multi-layered tubes for infusion sets can also be used for other forms of therapy, whereby a permanent or repeated delivery of a fluid should be ensured.
- a first end of the tube of the infusion set may include an adapter for releasable connection to a fluid delivery device, in particular an infusion pump. Furthermore, a piercing cannula can be arranged on the adapter in order to form a fluid connection to the delivery device, in particular the infusion pump.
- the second end of the tube of the infusion set may include a cap with a piercing cannula, the piercing cannula may puncture a septum of a base of the infusion set to form a fluid communication between the tube and the base.
- the tube with the attached adapter and attached cap can form part of the infusion set.
- the base of the infusion set includes an adhesive patch that may be applied or adhered to the lumen of a patient and a cannula to deliver the fluid from the dispenser, particularly from the infusion pump, through the tube and cannula into the patient's body.
- the base may also form part of the infusion set.
- the inventive multilayer tube also in a different way to a
- Fluid delivery device in particular infusion pump detachably or permanently attached and / or connected in a different way with the patient, so that the fluid can be brought into the body of the patient.
- the invention relates to a multilayer tube for an infusion set for delivering a fluid.
- the cross section of the multilayered tube may be circular or oval in shape.
- the inner and / or outer surface of the multi-layered tube may have one or more grooves or ribs, in particular longitudinal grooves or longitudinal ribs.
- the multilayer tube has an outer and an inner layer.
- the outer layer comprises a polyurethane (PU) and the inner layer comprises a high density polyethylene (HDPE) or / and a polypropylene (PP).
- the multi-layered tube may comprise further layers, chemical or biological compounds or chemical or biological compounds in another layer.
- the tube may deliver preservatives, stabilizers or anti-inflammatory substances or other active ingredient to the fluid flowing through the tube.
- the multilayered tube preferably consists of two layers, in particular exclusively of two layers.
- the adhesion of the two layers to their mating surfaces preferably arises during the coextrusion process by a chemical and / or physical process.
- the outer and the inner layer can be connected to each other by a positive connection, adhesion and / or chemical bonding.
- the outer and inner layers of the multi-layered tube may be replaced by a
- the two-layer hose is produced by a coextrusion process, then cooled, for example, in a water bath, can be rolled up onto a roll and cut to the appropriate length.
- the two-layered hose does not include an adhesive layer between the outer and inner layers, the outer layer comprising a polyurethane (PU) and the inner layer comprising a high density polyethylene (HDPE) or a polypropylene (PP).
- PU polyurethane
- HDPE high density polyethylene
- PP polypropylene
- the absence of an adhesive layer between the two layers prevents the fluid to be delivered to the patient from being contaminated by a substance released from the adhesive layer.
- the multi-layered tube is transparent or transparent, so that the flowability of the fluid or a possible inclusion of air bubbles found, especially visually detected.
- the outer layer of the multi-layered hose comprises a polyurethane (PU), in particular a
- thermoplastic polyurethane PU
- PU thermoplastic polyurethane
- the polyurethane (PU) used should have a good tensile strength or a good tensile strength, a
- the outer layer of the multilayered hose particularly preferably comprises Elastollan® 1185A 10 FC from BASF Polyurethanes GmbH.
- the inner layer of the multi-layered hose comprises a high density polyethylene (HDPE) or / and a
- Polypropylene (PP).
- the High Density Polyethylene (HDPE) and Polypropylene (PP) used should be compatible with the fluid to be delivered to the patient so that, for example, between the fluid to be delivered to the patient and the inner layer of the multi-layered tube, there is as little or as little undesirable chemical-physical Reactions and / or interactions take place.
- the inner layer of the multilayer tubing comprises SABIC® HDPE B5429 from Sabic Europe or / and polypropylene Bormed TM SC820CF-11 from Borealis AG.
- the multilayer tube according to the invention can be used for an infusion set for the treatment of diabetes.
- a drug such as insulin is passed through an infusion pump and the hose of the infusion set in the body of the patient.
- the insulin to be delivered to the patient is a hormone which comprises amino acids, with the stability of the insulin other substances being added.
- these are various preservatives or stabilizers, such as, for example, phenol or / and cresol, in particular m-cresol. Better preservation of insulin increases the shelf life of insulin.
- the use of preservatives in insulin protects the insulin from spoilage, especially from microbial spoilage.
- the tubing should absorb the least amount of insulin preservative, thereby increasing the shelf life of the insulin delivered to the patient.
- a high density polyethylene (HDPE) or / and a polypropylene (PP) as the inner layer of the multilayer tubing, the absorbance of the preservative from the insulin can be reduced and thus the effectiveness of the insulin can be increased.
- the volume or surface area of the inner layer can be reduced so that less volume of the inner layer is used to make the tube.
- Preservative in particular phenol and / or cresol, in particular m-cresol from the inner layer of the tube absorbed from the insulin. This leads to an improved holdability of the insulin to be delivered to the patient.
- the inner diameter of the inner layer is greater than or equal to 0.22mm and less than 0.38mm, preferably between 0.26mm and 0.34mm, more preferably between 0.28mm and 0.32mm, most preferably about 0.3mm is.
- the inner diameter of the inner layer is greater than or equal to 0.03 mm and less than or equal to 0.27 mm, preferably between 0.07 mm and 0.27 mm, particularly preferably between 0.11 mm and 0.19 mm, particularly preferably approximately 0, 15mm is.
- the inner diameter of the inner layer may be greater than or equal to 0.42 mm and less than or equal to 0.58 mm, preferably between 0.46 mm and 0.54 mm, particularly preferably between 0.48 mm and 0.52 mm, particularly preferably approximately 0.5 mm is.
- the outer diameter of the inner layer greater than or equal to 0.5 mm and less than 0.70 mm, preferably between 0.55 mm and 0.65 mm, more preferably between 0.58 mm and 0.62 mm, more preferably about 0.6 mm be.
- the inner diameter of the outer layer may be greater than or equal to 0.5mm and less than or equal to 0.70mm, preferably between 0.55mm and 0.65mm, more preferably between 0.58mm and 0.62mm, most preferably about 0.6mm.
- the outer diameter of the outer layer can preferably be greater than or equal to 1.42 mm and less than 1.62 mm, preferably between 1.47 mm and 1.70 mm, particularly preferably between 1.50 mm and 1.50 mm, particularly preferably approximately 1.52 mm.
- the outer diameter of the outer layer can preferably be greater than or equal to 1 mm and less than or equal to 3 mm, preferably between 1.30 mm and 2.70 mm, particularly preferably between 1.60 mm and 2.40 mm, particularly preferably approximately 2.00 mm be.
- the outer diameter of the inner layer greater than or equal to 0.7mm and less than 0.9mm, preferably between 0.75mm and 0.85mm, more preferably between 0.78mm and 0.82mm, more preferably about 0.8mm be.
- the inner diameter of the outer layer is greater than or equal to 0.7mm and less than 0.9mm, preferably between 0.75mm and 0.85mm, more preferably between 0.78mm and 0.82mm, more preferably about 0.8mm.
- the outer diameter of the outer layer may preferably be greater than or equal to 1.42 mm and less than 1.62 mm, preferably between 1.47 mm and 1. 57 mm, particularly preferably between 1.50 mm and 1. 54 mm, particularly preferably approximately 1.52 mm.
- the outer diameter of the outer layer can preferably be greater than or equal to 1 mm and less than or equal to 3 mm, preferably between 1.30 mm and 2.70 mm, particularly preferably between 1.60 mm and 2.40 mm, particularly preferably approximately 2.00 mm be.
- Figure 1 is a cross-sectional view of a hose (1) according to a first embodiment of the
- Figure 2 is a cross-sectional view of a hose (1 ') according to a second embodiment of the
- Figure 3 is a longitudinal sectional view of an infusion set with a hose (1, 1 ') according to the first and second embodiments of the present invention.
- FIG. 1 shows a cross-sectional view of a hose (1) according to a first embodiment of the present invention.
- the multilayer tube (1) for an infusion set for dispensing a fluid comprises an outer layer (1a) with a polyurethane (PU) and an inner layer (1b) with a high density polyethylene (HDPE) or / and a polypropylene (PP ).
- the multilayer tube (1) consists of only two layers, namely the outer (1 a) and the inner layer (1 b).
- the outer layer (1a) of the two-layered tube (1) preferably comprises Elastollan® 1185A 10 FC from BASF Polyurethanes GmbH.
- two-layer hose (1) preferably comprises SABIC® HDPE B5429 from Sabic Europe or / and Bormed TM SC820CF-11 polypropylene from Borealis AG.
- the adhesion of the outer (1 a) and the inner layer (1 b) of the two-layer hose (1) is formed during the coextrusion process by a chemical and / or physical process.
- the outer (1 a) and the inner layer (1 b) may be connected to each other by a positive connection, a frictional connection and / or a chemical bond.
- multi-layered hose (1) are connected together by a shrinking technique, wherein during the manufacturing process, e.g. by temperature change or change in shape or relaxation, the outer surface of the inner layer connects pressing on the inner surface of the outer layer.
- the cross section of the multi-layered tube (1) may be circular or oval-shaped. Alternative embodiments of the cross sections are possible.
- the outer diameter of the outer material is about 1.52 +/- 0.05mm, the inner diameter of the outer material is about 0.6mm. Further, preferably the outer diameter of the inner material is about 0.6mm and the inner diameter of the inner material is about 0.3 +/- 0.04mm.
- the tube has a good tear strength or a good tensile strength, hydrolysis resistance, cold flexibility and / or resistance to microorganisms.
- FIG. 2 shows a cross-sectional view of a hose (T) according to a second embodiment of the present invention.
- the second embodiment of the invention differs from the first embodiment of the invention by the size of the outer diameter and / or the inner diameter of the outer (1 a ') and / or inner layer (1 b') of the hose (T).
- the outer diameter of the outer material is approximately 1.52 +/- 0.05mm
- the inner diameter of the outer material is approximately 0.8mm.
- the outer diameter of the inner material is about 0.8mm and the inner diameter of the inner material is about 0.5 +/- 0.04mm.
- the hose (1, 1 ') according to the invention is used in particular for an infusion set for dispensing the fluid.
- FIG. 1 An infusion set with a hose (1, 1 ') according to the invention is shown in FIG. Of the
- Hose (1, 1 ') can alternatively be connected to other devices, wherein a transport of a fluid is to be ensured.
- the first end of the hose (1, T) may have an adapter (2).
- the adapter (2) serves to form a detachable connection with a dispenser for dispensing a fluid.
- the adapter (2) may comprise a piercing cannula (2a) to form a fluid connection to the delivery device, in particular to the infusion pump.
- a cap (3) may be arranged at the second end of the tube (1, T) of the infusion set, the cap (3) having a puncture cannula (3a).
- the puncture cannula (3a) may puncture a septum (4a) of a base (4) of the infusion set to form a fluid junction.
- the base (4) of the infusion set further comprises an adhesive plaster (4b), which can be attached or stuck to the patient's flaccid, and a cannula (4c) to deliver the fluid from the infusion pump via the tube (1, T) and administer the cannula (4c) into the body of the patient.
- Such infusion sets are preferably used in conjunction with a therapy of diabetes, especially for the delivery of insulin.
- the infusion set with the tube (1, T) according to the invention can alternatively be used in conjunction with other therapies. In diabetes therapy can be used as a delivery device, an infusion pump, with a permanent or repeated delivery of insulin can be guaranteed.
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00419/18A CH714842A2 (de) | 2018-03-29 | 2018-03-29 | Mehrschichtiger Schlauch für ein Infusionsset zur Abgabe eines Fluids. |
| PCT/IB2019/052422 WO2019186376A1 (de) | 2018-03-29 | 2019-03-26 | Mehrschichtiger schlauch für ein infusionsset zur abgabe eines fluids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3773863A1 true EP3773863A1 (de) | 2021-02-17 |
Family
ID=66102730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19716990.7A Withdrawn EP3773863A1 (de) | 2018-03-29 | 2019-03-26 | Mehrschichtiger schlauch für ein infusionsset zur abgabe eines fluids |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200406019A1 (de) |
| EP (1) | EP3773863A1 (de) |
| CN (1) | CN111971087A (de) |
| CA (1) | CA3094916C (de) |
| CH (1) | CH714842A2 (de) |
| MX (1) | MX2020010007A (de) |
| WO (1) | WO2019186376A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4452352B1 (de) * | 2022-06-17 | 2025-08-06 | Tekni-Plex, Inc. | Medizinischer schlauch und verfahren zur herstellung |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830794B2 (en) * | 1999-08-13 | 2004-12-14 | Richard G. Cartledge | Insulated intravenous administration tubing |
| US20050148928A1 (en) * | 2003-12-31 | 2005-07-07 | Medtronic Minimed, Inc. | Multiple layer tubing and method of making same |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385635A (en) * | 1980-04-25 | 1983-05-31 | Ruiz Oscar F | Angiographic catheter with soft tip end |
| US5165952A (en) * | 1989-01-18 | 1992-11-24 | Becton, Dickinson And Company | Anti-infective and antithrombogenic medical articles and method for their preparation |
| US5306252A (en) * | 1991-07-18 | 1994-04-26 | Kabushiki Kaisha Kobe Seiko Sho | Catheter guide wire and catheter |
| US6149997A (en) * | 1992-01-30 | 2000-11-21 | Baxter International Inc. | Multilayer coextruded material for medical grade products and products made therefrom |
| US6030369A (en) * | 1997-07-03 | 2000-02-29 | Target Therapeutics Inc. | Micro catheter shaft |
| US20020156434A1 (en) * | 1998-03-13 | 2002-10-24 | Minimed Inc. | Stabilizing catheter for protein drug delivery |
| US6230749B1 (en) * | 1999-11-29 | 2001-05-15 | Norma Products (Us) Inc. | Multilayer tube |
| US7329412B2 (en) * | 2000-12-22 | 2008-02-12 | The Trustees Of Columbia University In The City Of New York | Antimicrobial medical devices containing chlorhexidine free base and salt |
| US6431219B1 (en) * | 2001-02-05 | 2002-08-13 | Alaris Medical Systems, Inc. | Coextruded tubing |
| US20030009151A1 (en) * | 2001-07-03 | 2003-01-09 | Scimed Life Systems, Inc. | Biaxially oriented multilayer polymer tube for medical devices |
| EP1468218B1 (de) * | 2002-01-25 | 2012-06-20 | Natvar Holdings, Inc. | Coextrudierter schlauch |
| US7261734B2 (en) * | 2002-04-23 | 2007-08-28 | Boston Scientific Scimed, Inc. | Resorption-controllable medical implants |
| JP2004033354A (ja) * | 2002-07-01 | 2004-02-05 | Terumo Corp | カテーテルおよびその製造方法 |
| US20050124976A1 (en) * | 2003-12-04 | 2005-06-09 | Devens Douglas A.Jr. | Medical devices |
| CN2801197Y (zh) * | 2005-06-22 | 2006-08-02 | 天津市塑料研究所 | 胰岛素泵专用复合软管 |
| CN201179269Y (zh) * | 2008-03-05 | 2009-01-14 | 深圳邦普医疗设备系统有限公司 | 医用输液复合管 |
| JP2010051631A (ja) * | 2008-08-29 | 2010-03-11 | Nippon Sherwood Medical Industries Ltd | 医療用多層チューブ |
| CN101623521B (zh) * | 2009-08-06 | 2013-03-20 | 四川大学 | 一次性输液器用复合软管及其制备方法 |
| CN102266640A (zh) * | 2010-06-01 | 2011-12-07 | 李广英 | 医用输液管 |
| JP5632226B2 (ja) * | 2010-07-30 | 2014-11-26 | 株式会社細川洋行 | 医療用多層チューブ、および医療用輸液バッグ |
| FR2963890B1 (fr) * | 2010-08-17 | 2013-03-08 | Sartorius Stedim Biotech Sa | Dispositif biopharmaceutique a usage unique d'elaboration, stockage, transport d'un produit biopharmaceutique et tube multicouche correspondant. |
| US20130190714A1 (en) * | 2012-01-19 | 2013-07-25 | Tekni-Plex, Inc | Multi-layered tubing |
| US9702486B2 (en) * | 2012-01-19 | 2017-07-11 | Tekni-Plex, Inc. | Polyurethane-polyethylene delamination resistant tubing with gas barrier properties |
| DE102013221101A1 (de) * | 2013-10-17 | 2015-04-23 | Raumedic Ag | Hochdruck-Schlauch mit mehreren Koextrusions-Schichten |
| CN205411754U (zh) * | 2015-11-19 | 2016-08-03 | 绍兴新原力科技有限公司 | 复合型导尿管 |
| US20210113743A1 (en) * | 2019-10-17 | 2021-04-22 | Carefusion 303, Inc. | Multilayer medical tubing with enhanced adhesion |
-
2018
- 2018-03-29 CH CH00419/18A patent/CH714842A2/de not_active Application Discontinuation
-
2019
- 2019-03-26 WO PCT/IB2019/052422 patent/WO2019186376A1/de not_active Ceased
- 2019-03-26 CA CA3094916A patent/CA3094916C/en active Active
- 2019-03-26 EP EP19716990.7A patent/EP3773863A1/de not_active Withdrawn
- 2019-03-26 CN CN201980023073.3A patent/CN111971087A/zh active Pending
- 2019-03-26 MX MX2020010007A patent/MX2020010007A/es unknown
-
2020
- 2020-09-14 US US17/019,726 patent/US20200406019A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830794B2 (en) * | 1999-08-13 | 2004-12-14 | Richard G. Cartledge | Insulated intravenous administration tubing |
| US20050148928A1 (en) * | 2003-12-31 | 2005-07-07 | Medtronic Minimed, Inc. | Multiple layer tubing and method of making same |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2019186376A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3094916A1 (en) | 2019-10-03 |
| CN111971087A (zh) | 2020-11-20 |
| CH714842A2 (de) | 2019-09-30 |
| US20200406019A1 (en) | 2020-12-31 |
| MX2020010007A (es) | 2020-10-14 |
| WO2019186376A1 (de) | 2019-10-03 |
| CA3094916C (en) | 2023-03-07 |
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