EP1744718A1 - Sonde zur enteralen ernährung und sondensystem zur enteralen ernährung und gastralen dekompression oder drainage - Google Patents
Sonde zur enteralen ernährung und sondensystem zur enteralen ernährung und gastralen dekompression oder drainageInfo
- Publication number
- EP1744718A1 EP1744718A1 EP05739459A EP05739459A EP1744718A1 EP 1744718 A1 EP1744718 A1 EP 1744718A1 EP 05739459 A EP05739459 A EP 05739459A EP 05739459 A EP05739459 A EP 05739459A EP 1744718 A1 EP1744718 A1 EP 1744718A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- probe
- layer
- gastric
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0069—Tubes feeding directly to the intestines, e.g. to the jejunum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0015—Gastrostomy feeding-tubes
- A61J15/0023—Gastrostomy feeding-tubes inserted by using a sheath
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0073—Multi-lumen tubes
Definitions
- the invention relates to a probe for enteral nutrition of a patient with a jejunal tube for placement in the jejunum, which has a proximal and a distal end and a lumen between the proximal and distal ends.
- the invention relates to a probe system with an enteral feeding tube and a gastric tube for gastric decompression or drainage.
- the stomach it may be necessary to place a gastric tube next to the feeding tube.
- the feeding tube In the event that the feeding tube is placed in connection with a feeding tube, it is known to place the feeding tube coaxially over the feeding tube.
- the gastric tube should have the largest possible inside diameter and / or the feeding tube should have the smallest possible outside diameter. This is because the annular space between the gastric tube and the feeding tube should be as large as possible so that the stomach can be emptied.
- a tube system with a feeding tube and a stomach tube is known from DE 101 52 788 AI.
- First the feeding tube is placed with the help of an endoscope.
- the feeding tube is inserted into the working channel of the endoscope until the distal end of the jejunal tube is placed in the jejunum.
- the gastric tube is pushed onto the feeding tube until the distal end of the gastric tube is placed in the gastrointestinal tract.
- This guidewire is designed to give the feeding tube the required rigidity.
- a so-called “zebra wire” made of a NiTi alloy with a PTFE sheath is known as a guidewire.
- EP 1 266 646 A2 describes a tube system with a nutritional and gastric tube.
- the gastric tube has a two-layer structure with an outer layer made of a soft, flexible plastic and an inner layer made of a plastic which is harder with respect to the plastic of the outer layer.
- the unstable outer layer of the gastric tube should be stabilized by the inner layer made of harder plastic.
- EP 1 266 646 A2 proposes that the surface of the feeding tube be made micro-rough to improve the lubricity.
- a catheter with a harder inner layer and a softer outer layer is known from EP 0 354 695 A2.
- the invention has for its object to provide a feeding tube that can be placed in particular in connection with a gastric tube without using a guide wire.
- the probe for enteral nutrition according to the invention has a probe tube with an at least two-layer structure.
- the outer first layer and the second layer adjacent to the outer layer differed in the hardness of the material.
- the material of the first layer has a greater hardness than the material of the second layer.
- the harder outer layer ensures sufficient stability to be able to place the probe without further aids.
- the outer, harder layer reduces sliding friction, making it easier to slide the gastric tube over the feeding tube.
- the inner layer adjacent to the outer layer ensures the necessary flexibility. With the combination of the two layers of different hardness, on the one hand improved flexibility and on the other hand an improved feed behavior with improved kink resistance is achieved.
- the probe tube has a three-layer structure with an outer first layer, an inner second layer adjacent to the outer layer and an inner third layer adjacent to the inner layer.
- the inner layer consists of a material that has a greater hardness than the material of the inner layer.
- the materials of the inner and outer layers preferably have the same hardness. It has been shown that this embodiment is characterized by further improved sliding and feed properties.
- the material of the outer layer preferably has a Shore hardness according to ASTM D 2240 which is greater than 40 and less than 70 D, preferably greater than 50 and less than 60 D, in particular 55 D, while the material of the inner layer is preferably one Shore hardness that is greater than 70 and less than 100 D, preferably greater than 80 and less than 90 D, in particular 85 D.
- the surface of the outer layer is micro-rough. With the matt or slightly rough surface, the friction can be further reduced.
- the strength of the jejunal tube can be reduced due to the improved stability. This results in a smaller outer diameter so that the probe tube fits into the working channel of the standard endoscope.
- the tube system provides a gastric tube for gastric decompression or drainage.
- the gastric tube has a gastric tube that is shorter in length and larger in diameter than the jejunal tube of the feeding tube. This makes it possible to place the gastric probe tube in the gastrointestinal tract and the jejunal probe tube in the jejunum and to insert the jejunal probe tube into the gastric probe tube.
- the jejunal tube should be more than twice the length of the gastric tube.
- the gastric probe tube also has an at least two-layer structure.
- the inner layer of the gastric tube is preferably made of a material that has a greater hardness than the material of the outer layer. Since the outer layer is softer than the inner layer, the tube is characterized on the one hand by sufficient stability and on the other hand by sufficient suppleness to avoid injuries to the mucous membrane when the gastric tube is inserted. In a particularly preferred embodiment, the lubricity of the gastric tube is improved again by a micro-rough surface.
- FIG. 1 shows the probe according to the invention for enteral nutrition in a partially sectioned illustration
- FIG. 2 shows a section through the feeding tube of FIG. 1 along the line A-A
- FIG. 3 shows the gastric tube according to the invention in a partially sectioned illustration
- Figure 4 shows a section through the gastric tube of Figure 3 along the line B-B and
- FIG. 5 shows the tube system according to the invention with the feeding tube and stomach tube in a partially sectioned illustration
- the tube system according to the invention comprises a feeding tube and a stomach tube.
- Figures 1 and 2 show the feeding tube, while Figures 3 and 4 show the feeding tube.
- the feeding tube 1 has a probe tube 2 with a length of, for example, 2700 mm, which has an open proximal end 3 and an open distal end 4.
- the lumen 5 of the probe tube runs between the proximal and distal ends 3, 4.
- the probe tube has an outer diameter of, for example, 2.6 mm and an inner diameter (lumen) of, for example, 1.8 mm.
- a connector 6 for connecting a transfer system, not shown, for supplying a nutrient solution is connected to the proximal end 3 of the tube 1.
- the hose lines of the known transfer systems have a complementary connector which is connected to connector 6 of the feeding tube.
- the connector 6 of the nutritional probe 1 has a base body 7 with a Luer lock connector 8. Positive and negative Luer lock connectors are state of the art.
- the connector 6 has a closure cap 9 which tightly closes the connector 8.
- the closure cap 9 is connected to the base body 7 of the connector 6 via a flexible web 10.
- the connector 6 is held clamped on the tube 2 of the feeding tube, so that the connector can be removed.
- the base body 7 of the connection piece has a clamping piece 7a, which is placed on the proximal end of the probe tube.
- the probe tube 2 In the area of the distal end 4, the probe tube 2 has four lateral outlet openings 11 for the outlet of the nutrient solution. To avoid injuries, the distal end 4 of the hose line is rounded.
- the tube 2 shows a section through the feeding tube 1.
- the tube 2 has a three-layer structure. It consists of an outer layer 2a made of a harder material, an inner layer 2b made of a softer material and an inner layer 2c made of a harder material.
- the surface of the outer layer 2a is micro-rough.
- the material of the outer layer 2a has a Shore hardness according to ASTM D 2240, which is preferably greater than 50 and less than 60 D, in particular 55 D.
- the inner layer 2c consists of a material with the same Shore hardness as the outer layer 2a.
- the inner layer 2b consists of a material with a Shore hardness according to ASTM D 2240 which is greater than 80 and less than 90 D, in particular 85 D.
- the inner and outer layers 2a, 2c have a layer thickness of 0.1 mm, for example.
- the probe tube 2 can consist, for example, of elastic polymers, for example thermoplastic elastomers, polyurethane, modified polyamides or polyolefins, styrene polymers, fluoropolymers or PVC with plasticizers. It is crucial that on the one hand the required Shore hardness and on the other hand the biocompatibility of the materials is given.
- the three-layer structure of the feeding tube according to the invention leads to improved feed behavior and greater kink resistance with improved flexibility. Because the feeding tube does not use a guidewire, fewer steps are required to place the feeding tube in conjunction with the gastric tube. The manufacturing costs are also lower without the expensive guidewire. In addition, the risk of food tube dislocation is further reduced.
- the outer diameter of the jejunal tube can be selected so that it fits through the working channel of a standard endoscope and still allows a sufficient inner diameter for the application of nutrient solution in the small intestine. The outer diameter should preferably be less than 2.8 mm.
- the gastric tube of the tube system according to the invention is described below.
- the gastric tube 20 has a gastric tube 21 of a length of 1200 mm with an open proximal end 22 and an open distal end 23.
- the lumen 24 of the probe tube 21 extends between the proximal and distal ends 22, 23.
- the distal end 23 of the probe tube is closed with an olive 25 which is open at the end is radiopaque.
- Lateral openings 26 are arranged circumferentially distributed in the region of the distal end 23 of the probe tube 21.
- the inner diameter of the tube 21 of the gastric tube 20 is larger than the outer diameter of the tube 2 of the feeding tube 1, so that the tube of the tube 20 can be pushed onto the tube of the feeding tube 1 with a sufficient cross-section, forming an annular gap.
- the outer diameter of the gastric tube 21 is 5.2 mm and the inner diameter 3.9 mm.
- a connector 28 is connected to the proximal end 22 of the gastric tube 21.
- the connector 28 has a first access 29 for receiving the jejunal probe tube 2 and a second access 30 for connecting a suction line, not shown.
- the connector 28 of the gastric tube 20 is preferably a Y-adapter with a straight connector 28a and a connector 28b branching off from the straight connector.
- a first connector 31 for connecting the connector 6 of the nutritional probe 1 is connected to the straight connector 28a and a second connector 32 for connecting the suction line to the branching connector 28b.
- the connector 32 for connecting the hose line is, for example, a Luer lock connector.
- the Luer lock connector 32 can be tightly closed with a suitable closure cap 33, which is connected to the branching connecting part 28b via a flexible web 34.
- the connecting piece 6 of the nutritional probe 1 and the connecting piece 28 of the gastric tube 20 can be fitted onto one another appropriately if the gastric tube is pushed onto the nutritional probe.
- the connector 6 of the nutritional probe 1 has a cylindrical lower part 12, which can be fitted to the connector 31 of the connector 28 of the gastric tube 20.
- the lower part 12 and the connector 31 are of this type formed that the connector 6 of the feeding tube 1 and the connector 31 of the connector 28 of the gastric tube 20 form a snap connection.
- grooves or grooves can be provided on the outside of the connector 31 or on the inside of the lower part 12, which fit into one another so that a secure but easily detachable connection is created.
- the tube 21 of the gastric tube 20 has a two-layer structure.
- FIG. 4 shows a section through the tube 20.
- the gastric tube 21 can be made of the same material as the jejunal tube 2.
- the outer layer 21a of the gastric tube 21 is made of a material with a Shore hardness according to ASTM D 2240, which is preferably greater than 70 and less than 90 D, in particular 85 D.
- the inner layer consists of a material with a Shore hardness, preferably 50 to 70 D, in particular 55 D.
- the outer layer 21a has a greater thickness than the inner layer 21b, the inner layer being, for example, 0.1 to 0.2 mm thick is. Since the outer layer 21a is softer than the inner layer 21b, the gastric tube acts little traumatically for the esophagus with sufficient stability.
- the inner surface of the inner layer 21b can in turn be micro-rough.
- FIG. 5 shows the nutritional probe 1 in connection with the gastric probe 20.
- the nutritional probe 1 is placed with the help of an endoscope.
- the connector 6 is not placed on the probe tube 2.
- the endoscope is then pulled out, which would not be possible with the connector attached.
- the tube 21 of the gastric tube 20 is then pushed over the tube 2 of the feeding tube 1.
- the probe tube 2 of the nutritional probe 1 is then shortened to the correct length at the proximal end, and the connector 6 is placed on the proximal end of the probe tube 2 or the first connector 31 of the gastric probe 20.
- the transfer system (not shown) for supplying the nutrient solution and the suction line (not shown) for decompressing the stomach can then be connected.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10193672.2A EP2283801B1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen Ernährung und Sondensystem zur enteralen Ernährung und gastralen Dekompression oder Drainage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004023078A DE102004023078B3 (de) | 2004-05-11 | 2004-05-11 | Sonde zur enteralen Ernährung und Sondensystem zur enteralen Ernährung und gastralen Dekompression oder Drainage |
PCT/EP2005/003754 WO2005110337A1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen ernährung und sondensystem zur enteralen ernährung und gastralen dekompression oder drainage |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10193672.2A Division EP2283801B1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen Ernährung und Sondensystem zur enteralen Ernährung und gastralen Dekompression oder Drainage |
EP10193672.2 Division-Into | 2010-12-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1744718A1 true EP1744718A1 (de) | 2007-01-24 |
EP1744718B1 EP1744718B1 (de) | 2012-02-15 |
Family
ID=34966972
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10193672.2A Revoked EP2283801B1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen Ernährung und Sondensystem zur enteralen Ernährung und gastralen Dekompression oder Drainage |
EP05739459A Revoked EP1744718B1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen ernährung und sondensystem zur enteralen ernährung und gastralen dekompression oder drainage |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10193672.2A Revoked EP2283801B1 (de) | 2004-05-11 | 2005-04-09 | Sonde zur enteralen Ernährung und Sondensystem zur enteralen Ernährung und gastralen Dekompression oder Drainage |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080097348A1 (de) |
EP (2) | EP2283801B1 (de) |
AT (1) | ATE545402T1 (de) |
DE (1) | DE102004023078B3 (de) |
WO (1) | WO2005110337A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2354903T3 (es) | 2006-10-20 | 2011-03-21 | Pfrimmer Nutricia Gmbh | Sistema de catéter. |
CA2852931C (en) | 2011-10-20 | 2016-10-11 | Neomed, Inc. | Enteral feeding and reflux collection system and method using vented syringe |
EP2879646A1 (de) | 2012-08-06 | 2015-06-10 | Neomed, Inc. | System und verfahren für dosierte enterale ernährung |
EP3370795A4 (de) * | 2015-11-05 | 2019-06-26 | Cedars-Sinai Medical Center | Pharyngeal-enterale tubuskombination |
USD792659S1 (en) * | 2015-12-14 | 2017-07-18 | Ursula Mary Haywood | T-bar strap mounted calf feeder |
USD792032S1 (en) * | 2015-12-14 | 2017-07-11 | Ursula Mary Haywood | Circular hilt calf feeder |
CA3015874A1 (en) | 2016-02-25 | 2017-08-31 | Neomed, Inc. | Syringe plunger with hinged flange |
DE102016210653A1 (de) | 2016-06-15 | 2017-12-21 | N.V. Nutricia | Schlauch/Konnektor-Baugruppe |
DE102016219083A1 (de) | 2016-09-30 | 2018-04-05 | N.V. Nutricia | Sondeneinrichtung zum Einführen in einen Patientenkörper sowie Schlauch/Konnektor-Baugruppe |
BR112018075972A2 (pt) * | 2016-06-15 | 2019-04-02 | Nutricia Nv | dispositivo de sonda para inserção no corpo de um paciente e montagem de tubo/conector |
DE102016009871A1 (de) | 2016-08-12 | 2018-02-15 | Häberle Laser- und Feinwerktechnik GmbH & Co. KG | Führungsdraht zum Einsatz in schlauchförmigen medizinischen Sonden, insbesondere zur Ernährungstherapie |
DE202016004952U1 (de) | 2016-08-12 | 2017-11-14 | Häberle Laser- und Feinwerktechnik GmbH & Co. KG | Führungsdraht zum Einsatz in schlauchförmigen medizinischen Sonden, insbesondere zur Ernährungstherapie |
WO2022225955A1 (en) * | 2021-04-19 | 2022-10-27 | The Johns Hopkins University | A gastrojejunostomy tube enabling bedside exchange without radiation, sedation, or procedure room time |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4516970A (en) * | 1982-09-13 | 1985-05-14 | Kaufman Jack W | Medical device |
US4701163A (en) * | 1984-11-05 | 1987-10-20 | Medical Innovations Corporation | Gastrostomy feeding device |
US4627844A (en) * | 1985-10-30 | 1986-12-09 | High Voltage Engineering Corporation | Tri-layer tubing |
DE8705894U1 (de) * | 1987-04-23 | 1987-06-19 | Fresenius Ag, 6380 Bad Homburg, De | |
US5085646A (en) * | 1988-05-02 | 1992-02-04 | Svenson Jan A | Implant passageway |
US4904431A (en) | 1988-08-12 | 1990-02-27 | Baxter International, Inc. | Process for manufacturing catheters |
US5085649A (en) * | 1990-11-21 | 1992-02-04 | Flynn Vincent J | Torque controlled tubing |
US5460619A (en) * | 1994-04-04 | 1995-10-24 | Esrock; Bernard S. | Disposable tubular device and method |
US5851464A (en) * | 1996-05-13 | 1998-12-22 | Cordis Corporation | Method of making a fuseless soft tip catheter |
US6013047A (en) * | 1997-06-19 | 2000-01-11 | Hewlett-Packard Company | Method and apparatus for prevention of fluid intrusion in a probe shaft |
GB9810850D0 (en) * | 1998-05-20 | 1998-07-22 | Smiths Industries Plc | Medico-surgical tubes and methods of manufacture |
DE10131152B4 (de) * | 2001-04-30 | 2004-05-27 | Nutricia Healthcare S.A. | Medizinisches Ballon-Button-System |
ATE336982T1 (de) | 2001-06-11 | 2006-09-15 | Rolf Rainer Scheu | Ernährungssonde für die enterale ernährung eines patienten |
DE10154043B4 (de) * | 2001-06-11 | 2004-10-28 | Rolf Rainer Scheu | Ernährungssonde für die enterale Ernährung eines Patienten |
US20030018320A1 (en) * | 2001-06-11 | 2003-01-23 | Scheu Rolf Rainer | Feeding probe for parenteral feeding of a patient, and its use |
DE10152788B4 (de) | 2001-10-25 | 2004-05-06 | Fresenius Kabi Deutschland Gmbh | Sondensystem zur enteralen Ernährung |
DE10154864A1 (de) | 2001-11-08 | 2003-05-28 | Fresenius Kabi De Gmbh | Mandrin für einen Katheter, Längenmesser zur Bestimmung der Stomalänge und Set zur enteralen Ernährung |
DE202004003466U1 (de) | 2004-03-05 | 2005-07-14 | Fresenius Kabi Deutschland Gmbh | Katheter mit Transponder |
-
2004
- 2004-05-11 DE DE102004023078A patent/DE102004023078B3/de not_active Expired - Fee Related
-
2005
- 2005-04-09 US US11/596,032 patent/US20080097348A1/en not_active Abandoned
- 2005-04-09 EP EP10193672.2A patent/EP2283801B1/de not_active Revoked
- 2005-04-09 WO PCT/EP2005/003754 patent/WO2005110337A1/de active Application Filing
- 2005-04-09 EP EP05739459A patent/EP1744718B1/de not_active Revoked
- 2005-04-09 AT AT05739459T patent/ATE545402T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2005110337A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20080097348A1 (en) | 2008-04-24 |
EP2283801A2 (de) | 2011-02-16 |
EP2283801B1 (de) | 2014-07-23 |
EP1744718B1 (de) | 2012-02-15 |
EP2283801A3 (de) | 2012-12-12 |
ATE545402T1 (de) | 2012-03-15 |
WO2005110337A1 (de) | 2005-11-24 |
DE102004023078B3 (de) | 2006-01-19 |
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