WO2001062204A1 - Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung - Google Patents
Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung Download PDFInfo
- Publication number
- WO2001062204A1 WO2001062204A1 PCT/DE2000/000562 DE0000562W WO0162204A1 WO 2001062204 A1 WO2001062204 A1 WO 2001062204A1 DE 0000562 W DE0000562 W DE 0000562W WO 0162204 A1 WO0162204 A1 WO 0162204A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lumen
- probe system
- hose
- tube
- lumen probe
- Prior art date
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
- A61J15/0015—Gastrostomy feeding-tubes
-
- 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
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0073—Multi-lumen tubes
Definitions
- the present invention relates to a multi-lumen probe system for percutaneous, enteral application of liquid food in the human body, in particular a probe system which is used in acute sick patients in intensive care units who suffer from severe traumatic brain injuries, burns, polytrauma, neurosurgical interventions, celebrated events, serious internal infectious diseases can be applied to ensure early small intestinal nutrition.
- a probe system which is used in acute sick patients in intensive care units who suffer from severe traumatic brain injuries, burns, polytrauma, neurosurgical interventions, celebrated events, serious internal infectious diseases can be applied to ensure early small intestinal nutrition.
- Such multi-lumen probe systems are known in the prior art from DE 196 07 922 C2, with which at least one liquid can be injected in endoscopic interventions.
- This known probe is used in particular to inject suspensions or emulsions into a tissue or into a hollow organ or an artificial cavity in a human or animal body.
- This probe system includes, among other things, a tube with a distal and a proximal end, so that this multi-lumen tube can be put on endoscopically on the one hand and at the same time transports liquids.
- three-lumen probes with a suction and a rinsing channel for the stomach and a feeding channel for the small intestine are known.
- single-lumen percutaneous, endoscopic probes are used exclusively for gastric nutrition and are used by inserting a thin leg as either a duodenal or jejunal feeding tube only.
- the nasal probes cause problems due to pressure necrosis in the nasopharyngeal space and the isophageal mucosa, as well as a risk of reflux disease and aspiration due to mechanical insufficiency of the esophageal sphincter.
- training of the swallowing act is clearly disturbed during the recovery process.
- the nasogastric part of the probe is avoided and the patient is spared the above complications listed.
- the leg system By saving one of the two probes for the stomach and by integrating a two-lumen leg system in a first tube, it leads to an expansion of the indication area to acutely ill patients.
- the feeding tube for acutely ill people can be converted into a standard tube and thus serve a second indication area.
- Such a double application area is particularly important because it corresponds directly to the desired nutritional-medical-therapeutic concept.
- the therapeutic training of the swallowing reflex in the absence of a foreign body in the pharynx can be carried out significantly better and faster.
- the multi-lumen probe system according to the invention is divided into two single-lumen legs at the end of the second tube, the long single-lumen tube being intended for jejunal use and the short single-lumen tube being intended for gastric use.
- the jejunal thigh has a total length of 100 to 160 cm and a diameter of 5 to 15 career. Furthermore, the jenunal end of the probe has a length of approximately 4 to 7 cm to prevent the probe from being dislodged by body movement or peristalsis.
- the gastric leg of the probe has a total length of approx. 30 to 45 cm and a diameter of 5 to 15 career. The lengths correspond to the patient's body measurements to be determined beforehand.
- the two-lumen second tube according to the invention which is enveloped by the first single-lumen tube, is about 25 to 30 cm long.
- the two lumens of the second tube are separated from one another by suitable partition walls.
- the cross sections are in principle arbitrary and can either be semicircular or round.
- the outer wall of the twin probe is suitably made from a harder plastic at a height of approx. 1 cm than the rest of the loop.
- the entire second hose In order to be able to pull out the second hose in certain application cases, it is necessary for the entire second hose to have a certain tensile strength, which can advantageously be achieved in that a reinforcing element such as a plastic thread or a metal wire is cast into the material.
- a thin membrane (10 to 1000 ⁇ m) can be drawn in between the first and the second tube, which tears when the twin probe is pulled out and previously prevents secretion from passing between the two probe parts.
- a circular holding plate is arranged at the gastric end coaxial to the tube axis, which has a thickness of about 1 mm and a diameter of about 2 cm. This holding plate is made of a soft plastic and prevents the probe from slipping out after the system.
- a conically tapering tip which has a length of approximately 1 to 2 cm, is advantageously located at the upper end of the first and second hose.
- a highly flexible loop made of a plastic thread is advantageously incorporated directly at the tip, which serves to connect the two thread ends in accordance with the thread pulling method.
- transition and fastening elements which are arranged concentrically to the axes of the first and second hose. These fastening and transition elements are placed on the hoses outside the body and give the probe the necessary support as a counterforce to the inner flat disc. It is advantageous that the bearing surface (A) of the Fastening element has at least 5 cm 2 and can in principle take any shape.
- All transition and fastening elements advantageously have a central, axial bore, which have at least the outer diameter of the first hose.
- One of the fastening elements is advantageously a union nut which has a fine thread on the cylindrical part. The fine thread is in engagement with the mating thread of a transition piece, so that the transition element from the thinner hose to the thicker hose of an external apparatus is held securely.
- This union nut is suitable for holding the transition elements of single-lumen transition elements as well as for the transition of double-lumen transition elements.
- the single-lumen transition element advantageously has two cylindrical sections, the outside diameter of which corresponds to the inside diameter of the corresponding connecting parts, such as a hose or the like.
- Another fastening element for holding the first tube has a plate-like structure on its underside, which can advantageously be both round and angular, the corners being rounded.
- this fastening element In its cylindrical part of this fastening element there is a conical bore with a corresponding thread, the smallest diameter of this conical bore being slightly larger than the diameter of the first hose.
- a mating thread of another holding element engages in the conical thread, the holding element having a slot in the longitudinal direction, which is tapered when the thread is screwed in.
- the central one located in this fastening element also becomes The diameter of the bore is reduced and thus has a clamping effect on the first tube of the probe.
- FIG. 1 shows a schematic side view of part of the multi-lumen probe system with the first tube (2), the second tube (10), the third tube (12) and the fourth tube (13);
- Figure 2 is a schematic partial view of the tip (4) at the end of the first and second hose (2, 10).
- Fig. 3 a union nut (17) for holding the transition elements (18, 19);
- Fig. 5 shows a transition element (19) for the transition of single-lumen hoses
- Fig. 6 is a schematic representation of a fastener (20) with a support surface (A) and a conical internal thread (30);
- Fig. 7 is a cylindrical fastener (21), on the outer wall of a thread is incorporated.
- Fig. 1 shows a schematic side view of part of the melirlumigen probe system.
- the multi-lumen probe system has a first outer single-lumen tube 2 one end 3 of which a tip 4 is arranged, which consists of solid material.
- a flat disc 9 is fastened coaxially to the axis of the first hose 2.
- the flat disc 9 has a concentric bore which is slightly smaller than the outer diameter of the first hose 2 and thus a clamping effect is achieved.
- the end of the first hose 2, on which the flat disc is arranged has a folding ring, the degree of hardness of the material of which is greater than that of the rest of the hose 2.
- the second multi-lumen, here two-lumen, hose 10 is of the same length as the single-lumen hose 2.
- the length of these two hoses 2 and 10 is approximately 20 to 30 cm.
- the outer diameter of the first tube is approximately 5 mm and the inner diameter is approximately 4 mm, which corresponds to a wall thickness of 0.5 mm.
- the outer diameter of the second multi-lumen tube 10 must be slightly smaller than the inner diameter of the first tube 2 in order to allow the second tube 10 to be pulled out easily. In principle, the lengths and diameters of these hoses are variable and must be adapted to the practical circumstances.
- the two-lumen hose 10 is divided into two single-lumen hoses 12 and 13.
- the short gastric tube 12 has a length of approximately 35 to 45 cm and a diameter of approximately 9 career, which corresponds to a metric dimension of 3 mm. The lengths can be shorter or longer depending on age.
- the subdivision of the cross-sectional area of the second two-lumen tube 10 is shown schematically by a straight partition 11.
- the openings 14, 15 are round, so that the partition 11 is not straight.
- the opening 14 opens into the gastric single-lumen tube 12 and the opening 15 opens into the jejunal single-lumen tube 13, the length of which, depending on the application, is between 100 and 160 cm. In the present case, the diameter is 9 career (3 mm).
- the jejunal single-lumen tube 13 is serpentine over a length of approximately 3 to 7 mm.
- a thin membrane In order to prevent secretions from settling between the walls of the first and second tubes, a thin membrane, not shown here, extends over the entire gaps at the end of the two tubes 2, 10. When the second multi-lumen tube 10 is pulled out, the membrane becomes irrelevant To leave residues, torn so that they do not interfere.
- the tip 4 shows a detailed representation of the tip 4 at the end 3 of the two hoses 2, 10.
- the tip 4 consists of a cone-like part, at the narrow end of which a loop 6 is arranged.
- the two ends of the loop 6 are either cast into the tip 4 or glued.
- the loop 6 consists of a highly flexible plastic thread.
- the length of the tip 4 extends over 1 to 2 cm.
- the base area of the cone 4 corresponds to the base area 5 of the first single-lumen tube 2.
- a fastening element 17 is shown schematically in FIG. 3.
- the fastening element 17 is designed as a union nut and has a cylindrical part 32 with a bore 38 and an attachment 3-9.
- the attachment 39 is used only for better handling of the union nut 17.
- the diameter of the bore 38 is adapted to the outer diameter of the first hose 2.
- the jacket of the cylinder 32 carries a fine thread.
- This fastener 17 or union nut is with the threaded shaft plugged upwards, backwards onto the probe end 3 after the plastic tip and thread loop had been cut off in such a way that the middle, about 2 cm longer partition 11 is not damaged.
- a transition element 18 is placed on the hose end 3 with the projecting partition 11 (FIG. 4).
- the transition element 18 has on one side two connecting pieces 24, 24 ', the outer diameter (dl) of which corresponds to that of the partial cross sections of the multi-lumen second hose 10.
- the diameter changes to a diameter (d2) of the connecting piece 25, 25 'to be adapted, which corresponds to the connection of a further apparatus which is not described in any more detail.
- the jacket of the cylindrical section 28 of the transition element 18 has on the one hand a fine thread which is in engagement with the fine thread of the fastening element 17 (union nut).
- a further transition element 19 is shown schematically in FIG. 5.
- This transition element 19 consists of two cylindrical sections 29, 29 'which are arranged coaxially to one another. Also ' coaxially leads through both cylinder sections 29, 29' a bore 40, the diameter of which is adapted to the diameter of the first single-lumen tube 2.
- This transition element 19 is then placed on the first single-lumen tube 2 if the two-lumen second tube 10 has been removed beforehand.
- the surface of the cylindrical section 29 ' also has a fine thread, which is in engagement with the fine thread of the fastening element 17 (union nut).
- the fastening element 17 thus serves two transition elements 18, 19.
- the middle partition 11 In order to remove the second multi-lumen tube 10 from the first single-lumen tube 2, the middle partition 11 must be worked out by about 2 cm longer than the walls of the second tube 10. The longer end of the partition 11 is inserted into a groove 41 provided for this purpose in the transition element 18 and clamped there. Now the transition element 18 is pushed onto the open hose end 3 of the second hose 10, so that the protruding part of the partition 11 protrudes about 0.9 cm. With the help of a corresponding wedge, not shown in detail, the partition 11 is fixed in the groove 41 by exerting a slight tensile force on the transition element 18, the second hose 10 can thus be pulled out of the first hose 2 with ease.
- the last 30 cm at the lower end 7 of the first tube 2 are made of a firmer material than the rest of the leek aterial.
- a further fastening element 20 is shown schematically in FIG. 6.
- the fastening element 20 has an approximately 1 to 2 cm long cylindrical section 29 which is provided coaxially with a conical threaded bore 30.
- the conical threaded bore 30 is designed such that it corresponds approximately to the diameter of the first hose 2 at its narrowest point.
- a flat holding plate 32 is arranged, which can in principle take any surface shape.
- the support surface (A) is circular.
- a polygonal surface would also be conceivable, which is shown by the dashed lines.
- the application and clinical handling of the probe system according to the invention is the size of the contact surface (A).
- This contact surface (A) should not be less than 5 cm 2 , which significantly reduces the contact pressure per unit area and greatly reduces medically indicated complications.
- the material of this contact surface (A) should be soft at least on the sides, so that pressure marks are avoided.
- FIG. 7 shows a further holding element 21, which has a cylindrical section 42, in the outer surface of which a thread is machined, which is in engagement with the internal thread of the conical bore 30 of the fastening element 20.
- the diameter of the bore 43 is slightly larger than the diameter of the first hose 2 to be fixed, so that the loading element 21 slides easily over the surface of the hose 2.
- An approximately 1 mm wide slot 37 is machined along the jacket of the cylindrical section 42, the width of which is reduced when it is screwed into the conical thread of the bore 30 of the fastening element 20. This also reduces the diameter of the bore 43, so that a clamping of the holding element 21 on the outer wall of the hose 2 is effected.
- the multi-lumen probe system is applied in several steps.
- an endoscope is used to visually assess the inside of the stomach in order to firstly rule out contraindications such as ulcer ventricuti, malformations of all kinds and gastric carcinomas, and secondly to find a favorable place for puncturing a puncture needle.
- the puncture needle itself is a large-lumen, plastic coated needle.
- a second examiner pierces the stomach through the abdominal wall. The second examiner is directed by the first. The plastic sleeve remains and the needle is removed.
- a thread is then pushed through the plastic sleeve into the stomach, which is gripped with the endoscope forceps and pulled out of the mouth together with the endoscope through the esophagus. Then the loop 6 is linked to the outside of the thread.
- the second examiner then pulls the thread together with the linked probe back through the plastic sleeve into the abdominal cavity, so that the probe in turn forwards through the mouth and esophagus and through the abdominal wall with the plastic sleeve pushed open, finally creating the desired connection between the inside of the stomach and the outside of the abdomen.
- the inner holding plate 9 prevents the multi-lumen probe system from slipping out.
- the conical plastic tip 4 is then cut off with a knife, so that the ends of the tubes 2, 10 are open.
- the fastening element 20 with its outer holding plate 32 is placed on the first tube 2, pushed forward and fixed in such a way that the holding plate 32 touches the outer abdominal wall under slight pressure on the abdominal wall.
- the fasteners 20, 21 are screwed together in the manner described above, so that the fasteners 20, 21 hold the probe system.
- the transition elements 18, 19 with the union nut 17 are placed on the hose ends after completion of the above-described work.
- the multi-lumen probe system is thus ready to be connected to the transfer system in which the probe food is stored. With compresses and a skin-friendly plaster, the device is secured in its seat against slipping.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL00364778A PL364778A1 (en) | 2000-02-26 | 2000-02-26 | Multiple lumen probe system for percutaneously and enterally applying liquid food |
HU0204310A HUP0204310A2 (en) | 2000-02-26 | 2000-02-26 | Multiple lumen probe system for percutaneously and enterally applying liquid food |
PCT/DE2000/000562 WO2001062204A1 (de) | 2000-02-26 | 2000-02-26 | Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung |
AU34178/00A AU3417800A (en) | 2000-02-26 | 2000-02-26 | Multiple lumen probe system for percutaneously and enterally applying liquid food |
EP00912389A EP1326572A1 (de) | 2000-02-26 | 2000-02-26 | Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2000/000562 WO2001062204A1 (de) | 2000-02-26 | 2000-02-26 | Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001062204A1 true WO2001062204A1 (de) | 2001-08-30 |
Family
ID=5647434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/000562 WO2001062204A1 (de) | 2000-02-26 | 2000-02-26 | Mehrlumiges sondensystem zur perkutanen enteralen applikation von flüssiger nahrung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1326572A1 (de) |
AU (1) | AU3417800A (de) |
HU (1) | HUP0204310A2 (de) |
PL (1) | PL364778A1 (de) |
WO (1) | WO2001062204A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3144868A (en) * | 1960-10-21 | 1964-08-18 | Mario E Jascalevich | Drainage and feeding cannulae |
US4356824A (en) * | 1980-07-30 | 1982-11-02 | Vazquez Richard M | Multiple lumen gastrostomy tube |
US5527280A (en) * | 1995-03-29 | 1996-06-18 | The Children's Seashore House | Multi-lumen enteral feeding and medicating device |
DE19607922A1 (de) * | 1996-03-01 | 1997-09-04 | Grund Karl Ernst Prof | Verfahren und Vorrichtung zum endoskopischen Injizieren mindestens einer Flüssigkeit |
EP0824929A2 (de) | 1996-08-23 | 1998-02-25 | Fresenius AG | Katheter für die perkutane enterale Ernährung |
-
2000
- 2000-02-26 EP EP00912389A patent/EP1326572A1/de not_active Withdrawn
- 2000-02-26 WO PCT/DE2000/000562 patent/WO2001062204A1/de not_active Application Discontinuation
- 2000-02-26 AU AU34178/00A patent/AU3417800A/en not_active Abandoned
- 2000-02-26 HU HU0204310A patent/HUP0204310A2/hu unknown
- 2000-02-26 PL PL00364778A patent/PL364778A1/xx unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3144868A (en) * | 1960-10-21 | 1964-08-18 | Mario E Jascalevich | Drainage and feeding cannulae |
US4356824A (en) * | 1980-07-30 | 1982-11-02 | Vazquez Richard M | Multiple lumen gastrostomy tube |
US5527280A (en) * | 1995-03-29 | 1996-06-18 | The Children's Seashore House | Multi-lumen enteral feeding and medicating device |
DE19607922A1 (de) * | 1996-03-01 | 1997-09-04 | Grund Karl Ernst Prof | Verfahren und Vorrichtung zum endoskopischen Injizieren mindestens einer Flüssigkeit |
DE19607922C2 (de) | 1996-03-01 | 1998-01-29 | Grund Karl Ernst Prof | Vorrichtung zum endoskopischen Injizieren mindestens einer Flüssigkeit |
EP0824929A2 (de) | 1996-08-23 | 1998-02-25 | Fresenius AG | Katheter für die perkutane enterale Ernährung |
Also Published As
Publication number | Publication date |
---|---|
HUP0204310A2 (en) | 2003-05-28 |
AU3417800A (en) | 2001-09-03 |
EP1326572A1 (de) | 2003-07-16 |
PL364778A1 (en) | 2004-12-13 |
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