EP1986726B1 - Sonde gastrique - Google Patents

Sonde gastrique Download PDF

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Publication number
EP1986726B1
EP1986726B1 EP07702636A EP07702636A EP1986726B1 EP 1986726 B1 EP1986726 B1 EP 1986726B1 EP 07702636 A EP07702636 A EP 07702636A EP 07702636 A EP07702636 A EP 07702636A EP 1986726 B1 EP1986726 B1 EP 1986726B1
Authority
EP
European Patent Office
Prior art keywords
shaped body
previous
stomach probe
probe
lumen
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
Application number
EP07702636A
Other languages
German (de)
English (en)
Other versions
EP1986726A2 (fr
Inventor
Fred G. GÖBEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Original Assignee
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kimberly Clark Worldwide Inc, Kimberly Clark Corp filed Critical Kimberly Clark Worldwide Inc
Publication of EP1986726A2 publication Critical patent/EP1986726A2/fr
Application granted granted Critical
Publication of EP1986726B1 publication Critical patent/EP1986726B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
    • 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
    • A61J15/003—Means for fixing the tube inside the body, e.g. balloons, retaining means
    • A61J15/0046—Expandable retainers inside body lumens of the enteral tract, e.g. fixing by radially contacting a lumen wall
    • A61J15/0049—Inflatable Balloons
    • 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
    • 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
    • A61J15/008—Sensor means, e.g. for sensing reflux, acidity or pressure
    • A61J15/0088—Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the device

Definitions

  • the invention relates to a gastric tube having the features of the preamble of claim 1.
  • the supply cannula in the tampon balloon superimposed on a lumen, which ensures a rapid volume balance between partial areas or partial volumes of Tamponierblase.
  • the lumen is arranged such that a channel is formed between the lumen and the supply cannula, which communicates via a plurality of openings with the interior of the tampon balloon, which is arranged on the lumen.
  • the interior of the tampon balloon is connected via the channel formed between the supply cannula and the lumen with means for generating the pressure in the Tamponierblase.
  • the lumen is thereby maintained by web-like structures or spacers between an outer and inner wall of the probe or the supply cannula of the nasogastric tube.
  • a nasogastric tube is therefore much more complicated to manufacture than, for example, common nasogastric tubes without a lumen.
  • the invention has for its object to improve a nasogastric tube of the type mentioned in that the lumen, which is located between the supply cannula and the tamponing and is in communication with the interior of the tampon balloon, technically easy to implement and at the same time a sufficiently good volume balance between Partial volumes of Tamponierblase guaranteed.
  • the separate molded body is technically easy to manufacture, since it can be prefabricated as a single part.
  • the nasogastric tube When installing the nasogastric tube, it is mounted as a finished part on the supply cannula or applied to this. This simplifies gastric tube assembly by reducing the number of individual steps needed to make the lumen. This brings a temporal as well as financial Rationalization potential for the production of the gastric tube.
  • the application of the shaped body to the supply cannula simultaneously determines the shape of the lumen, which ensures a sufficiently rapid volume exchange between partial areas of the tampon balloon.
  • the shaped body can have a tubular structure whose inner contour corresponds approximately to the outer contour of the supply cannula.
  • the tubular structure makes it possible to apply the shaped body approximately concentrically to the supply cannula. This facilitates the assembly.
  • the shaped body may have at least one opening which extends approximately in the longitudinal direction of the shaped body over at least 50 to 60%, advantageously up to 70% and in particular up to 80% of the total length of the shaped body and connects the lumen with the interior of the tamponade. This opening ensures a sufficiently good volume balance between different portions of the tampon balloon.
  • the opening may extend approximately over the entire length of the shaped body.
  • the opening ensures a good volume balance between parts of the Tamponierblase and is also technically easy to manufacture.
  • the shaped body may have in cross section a plurality of radially extending wall elements, which at their outermost ends have an approximately transversely to the respective wall element extending surface.
  • the approximately transverse to the wall elements extending surfaces provide a good contact surface for the tampon.
  • the radially extending wall elements ensure a sufficient distance of the surfaces to the supply cannula and thus create a sufficiently large lumen for a good volume balance.
  • the size and the number of individual partial volumes can be determined.
  • At least one of the wall elements may have an approximately T-shaped profile. This profile works well and offers a sufficiently large lumen and a good contact surface for the tampon balloon.
  • At least one of the wall elements may have an approximately L-shaped profile.
  • This profile is also technically easy to manufacture and ensures a lumen and a contact surface, which allow a rapid volume exchange between portions of the tamponade.
  • the cross-section of the shaped body can have a plurality of wall areas, which are supported on the supply cannula of the probe and together define at least a portion of the lumen.
  • This approximately finger-like inwardly projecting wall portions may form a through opening through their end-to-end, the dimensions correspond approximately to those of the supply cannula.
  • the molded body is easy to mount on the supply cannula.
  • the wall portions may extend approximately star-like into the interior of the shaped body. This shape ensures approximately evenly distributed wall areas. This provides a good supporting and holding function for the molding.
  • the shaped body can have at least one helically shaped helix.
  • the helix is technically easy to manufacture and can be easily mounted on the supply channel. It also provides between the individual turns of the coil a sufficiently large lumen for a good volume exchange.
  • a favorable embodiment of the invention can be arranged on the helix, an approximately hose-like element which has a plurality of openings distributed over its surface. As a result, the contact surface for the tampon balloon is increased.
  • the hose-like element can be formed like a net.
  • This net-like structure is technically easy to manufacture and can be preassembled on the helix. This makes assembly easier.
  • the shaped body may have one or more layers of a net-like structure. Through the individual openings in the network structure or its overlap, a sufficiently large lumen is defined, which allows a good volume exchange between partial areas of the tampon balloon.
  • the lumen can be connected in the region of the axial end face of the shaped body to a supply channel, via which the tampon balloon can be filled with a fluid.
  • a supply channel via which the tampon balloon can be filled with a fluid.
  • the molding may consist of PVC, PUR, mixtures of PVC and PUR, mixtures of PUR and polyamides and / or silicone. These materials ensure good compatibility. They are well deformable and thus reduce the risk of injury during insertion of the probe and yet have sufficient stability to maintain the lumen.
  • the shaped body can be produced by extrusion. This production method makes it possible to produce the molded body technically relatively easily and in a short time.
  • the shaped body can be fixed by friction on the supply cannula. As a result, the shaped body is fixed in its position relative to the supply cannula.
  • the shaped body can be fixed on the supply cannula by means of a press fit. This ensures an axial and / or radial fixation of the molding on the feeding tube of the nasogastric tube.
  • the shaped body can be fixed by means of adhesion to the supply cannula.
  • This technically simple method z. B. bonding ensures a sufficiently good fixation of the molding.
  • the shaped body can be fixed in a material-locking manner on the supply cannula. This ensures a high-quality connection between the molded body and the supply cannula.
  • the shaped body may comprise, at least in sections, a compound produced by means of a solvent with the supply cannula.
  • the at least partial release of the shaped body and / or the supply cannula ensures a good connection of the two components.
  • the outer diameter of the molding may be approximately between 7 to 12 mm, in particular between 6 to 8 mm. These dimensions ensure a good volume exchange between partial areas of the tampon balloon.
  • the length of the molding may be approximately between 6 to 12 cm, in particular between 6 to 9 cm. These length dimensions have proved to be advantageous. They offer a sufficiently large contact surface for the tampon balloon. At the same time a sufficient volume exchange between all parts of the tampon balloon is made possible.
  • the gastric tube can be provided with at least one radiopaque marker.
  • the marker, z. As a metal ring, facilitates the placement of the probe in the patient and allows in the X-ray image of the thorax a good reference to orienting structures such. B. diaphragm and / or hyoid bone.
  • FIG. 1 shows the basic structure of a nasogastric tube according to the invention 1.
  • a shaped body 2 which includes a lumen 5 in its interior.
  • the lumen 5 is in FIG. 2 which shows the section II-II through the stomach tube FIG. 1 represents.
  • the lumen 5 is in this embodiment between the supply cannula 4 and the surface 6 of the foreign body 2.
  • the molded body 2 is provided with a plurality of openings 7, which are distributed over the entire surface 6 of the shaped body 2.
  • the lumen with the interior 8 of the tampon balloon 3 is in communication. That is, the openings 7 allow a volume or fluid exchange between the lumen 5 and the inner space 8 of the tampon 3.
  • the number and shape of the opening 7 may vary depending on the application. In addition to the approximately round or oval openings 7 shown here z. As well as elongated openings possible. The shape or the outline of the openings 7 can range from round to oval to three-, four- or polygonal openings. Also, the Openings should not be distributed uniformly over the surface 6 of the molded body 2 as here. Alternatively, an irregular distribution of the openings 7 is conceivable. It is important that the shape and arrangement of the openings allow a sufficient volume exchange between two subregions 29 and 30 of the tampon 3. The number of openings can be from one to as many individual openings z. B. 100 or 1000 openings vary. The number is limited only by the size of the surface 6 of the molding 2 and the shape of the openings.
  • the outer diameter of the supply cannula 4 is advantageously between 3 to 6 mm and in particular between 4 to 5 mm.
  • a supply channel 10 through which the tampon balloon 3 with a fluid, eg. B. water is filled.
  • a fluid eg. B. water
  • different fluids z.
  • gas or gas mixtures such as air or viscous liquids apply.
  • the diameter of the tampon balloon 3 in a freely unfolded state is approximately 20 to 50 mm. Particularly favorable is a diameter of 30 to 40 mm.
  • the supply channel 10 for the fluid extends in this embodiment at least in sections into the molded body 2 and has a radially extending to the molded body 2 connection opening 11, which connects the supply channel 10 with the lumen 5.
  • the supply channel 10 can also run along the outside of the supply cannula 4. He can z. B. at least partially disposed in a extending along the supply cannula 4 recess 12, as in FIG. 4 shown.
  • the connection opening 11 of the supply channel 10 does not necessarily have to extend radially, but may also open in the region of the axial end face of the molded body 2, that is, extend axially relative to the molded body 2.
  • FIG. 3 shows the shaped body 2 according to the invention of the first embodiment in an enlarged form.
  • the molded body 2 has an overall length of about 6 to 9 cm and here has an approximately cylindrical outer contour.
  • a plurality of wall regions 13 extend radially into the interior of the molded body 2.
  • the free, front-side ends 14 of the wall regions 13 define a diameter which corresponds approximately to the outer diameter of the supply cannula 4.
  • the front ends 14 of the wall regions 13 rest on the supply cannula 4, as in FIG FIG. 2 to see. Together with the supply cannula 4 they divide the lumen 5 in the interior of the molded body 2 into individual partial lumens 15.
  • a single partial lumen 15 is formed by two wall regions 13, the partial region of the mold body surface 6 arranged between the two wall regions 13 and the partial region of the supply cannula surface is limited between the contact surfaces of the front ends 14 of the wall portions 13 is limited.
  • the molded body 2 has eight wall areas, all of which protrude into the molded body approximately equally far in the manner of a finger.
  • the number of wall regions can vary as desired and thus influence the shape of the lumen 5 or of the individual partial lumens 15.
  • the depth up to which the wall regions 13 protrude into the interior of the molded body 2 can also vary, thus determining the position of the molded body 2 relative to the supply cannula 4.
  • the molded body 2 does not necessarily have to sit approximately concentrically on the supply cannula 4, as shown here.
  • the longitudinal axis 16 of the shaped body 2 can also be offset relative to the longitudinal axis 17 of the supply cannula 4.
  • FIGS. 5 to 8 show further embodiments of inventive molding in perspective view.
  • FIGS. 5 and 6 show a molded body 2 according to the invention according to a second and third embodiment.
  • the in the FIGS. 1 to 4 used reference numerals denote the same parts as in the FIGS. 5 and 6 .
  • the moldings 2 have a central, approximately tubular structure 18 with an approximately circular cross-section.
  • the shape of the inner circumferential surface 19 corresponds approximately to the shape of the surface of the supply cannula 4.
  • a plurality of wall elements 20 extend radially outward.
  • a surface 22 is provided which extends approximately transversely to the wall element 20.
  • the molded body 2 has four approximately cross-shaped wall elements 20.
  • the wall elements 20 together with the associated surfaces 22 in cross-section of an approximately T-like profile.
  • the molded body 2 in FIG. 6 has five approximately star-like around the tubular structure 18 arranged wall elements 20.
  • the wall elements 20 together with their respective transverse surfaces 22 in cross-section an approximately L-like profile.
  • the T and L profiles of the moldings 2 of FIGS. 5 and 6 are so far apart or dimensioned such that the transverse surfaces 22 of two adjacent T and L profiles are spaced from each other. This means that each two of the transverse surfaces 22, which form the surface 6 of the shaped body 2, define an opening 23 or a gap which extends longitudinally of the shaped body 2.
  • the lumen 5, which is here between the transverse surfaces 22 and the tubular structure 18 is divided by the T and L profiles into individual partial lumens 15.
  • the shape of a single partial lumen 15 is determined by two adjacent T or L profiles and the part of the surface of the tubular structure 18 enclosed by them.
  • the number of wall elements 20 can be varied depending on the application. With it, the shape and the number of partial lumens 15 and the openings 23 in the surface 6 of the molded body 2 changes.
  • the wall elements 20 may be arranged irregularly around the tubular structure 18 in other embodiments of the invention, in contrast to those shown here , Also, the transverse surfaces 22 at the ends 21 of the wall elements 20 can be omitted. In this case, the surface 6 of the shaped body 2 is determined by the ends 21 of the wall elements 20.
  • the number of wall elements 22 may be increased accordingly and z. B. between 5 to 15 wall elements.
  • FIG. 7 shows a further embodiment of the molding 2 according to the invention.
  • the molding 2 is here spirally shaped and formed as a helix 24.
  • the inner diameter of the helix 24 corresponds approximately to the outer diameter of the supply cannula 4.
  • the lumen 5 also has a helical shape in this embodiment.
  • the turns define 27 of the helix 24 has an opening 33 which spirals around the supply cannula 4 between the individual turns 27 of the helix 24 and accommodates the lumen 5.
  • the material thickness of the helix 24 determines the height of the lumen 5.
  • the material cross section is approximately round here. Alternatively, however, it may also have an oval or angular shape.
  • the lumen can also by several z.
  • the two coils can have both the same and different slopes.
  • the helices can be applied in opposite directions.
  • the lumen 5 is defined by the space between the individual turns of the respective helix or the overlapping of these gaps.
  • a tubular or tubular structure may be appropriate, which provided with openings and in FIG. 7 is indicated by a dash-dot line.
  • the outer shape of such a shaped body would then in the FIG. 1 resemble shaped body.
  • the above-described first to third embodiments of the molding 2 according to the invention can helically, turned in and thus formed as a helix. .
  • FIG. 8 shows a fifth embodiment of the molding 2 according to the invention. It has a tubular or tubular shape and has a net-like structure 25.
  • the inner diameter of the molded body 2 corresponds approximately to the outer diameter of the supply cannula 4.
  • the lumen 5 is located here in the mesh or openings 26 of the net-like structure 25, which at least partially communicate with each other and thus a volume exchange between individual openings 26 of the net-like structure 25 allow.
  • the shaped body 2 can also have a plurality of layers of the net-like structure 25, as in FIG. 8a shown. These are then arranged approximately concentrically with one another, wherein the inner diameter of the innermost layer corresponds approximately to the outer diameter of the supply cannula 4.
  • the Lumen 5 is here determined by the holes 26 of the net-like structure 25, which overlap at least partially. That is, the overlapping holes 26 of the individual layers of the net-like structure 25 form channels or individual partial lumens 15.
  • the dimensions of the different embodiments of the molded body 2 described herein may vary depending on the application. In practice, however, an approximate length of 6 to 12 cm and in particular a length of 6 to 9 cm of the molding 2 has proven to be advantageous.
  • the outer diameter is also dependent on the application but also on the dimensions of the supply cannula 4 and the tampon balloon 3 and is advantageously in the range between 7 to 10 mm, in particular between 6 to 8 mm. In special applications, however, the dimensions of the shaped body 2 may differ from the above.
  • the shaped body 2 described in the embodiments 1 to 5 is preferably made of plastic and manufactured by extrusion. Alternatively, the shaped body can also be produced by casting or injection molding.
  • materials for the molding 2 are in principle materials that are friendly to the body deformable, so avoid injury to the patient during insertion and prolonged lying of the probe, but have sufficient rigidity to ensure a non-collapsible displacement volume over the molded body 2 away peristalsis.
  • Advantageous materials are z. As PVC, PUR, mixtures of PVC and PUR, mixtures of PUR and polyamides and silicones.
  • the nasogastric tube with radiopaque markers such.
  • the molded body 2 can also be fixed by means of adhesion to the supply cannula 4, z. B. by applying an adhesive in at least a portion of the contact surface of the shaped body 2 with the supply cannula. 4
  • the molding can also be fixed by means of material connection, in which z. B. at least a portion of the contact surface between the shaped body 2 and the supply cannula 4 is treated with a solvent.
  • Shaped body 2 shown the inner diameter of the shaped body and the contact surface of the shaped body 2 with the supply cannula 4 through the front ends 14 of the wall elements 13 is formed. These come into contact with the mounting of the shaped body 2 on the surface of the supply cannula 4 and thus divide the lumen 5 in the interior of the shaped body 2 into individual partial lumens 15, as in FIG FIG. 2 shown.
  • the inner diameter of the shaped body as well as the contact surface of the shaped body 2 with the supply cannula 4 through the tubular structure 18 is formed.
  • the inner diameter of the shaped body 2 is determined by the inner diameter of the helix 24.
  • the contact surface of the molded body 2 with the supply cannula 4 here corresponds to the likewise spiral-like investment line or Area of the individual turns 27 of the helix 24. Their expression as a line or area depends on the material cross-section of the helix.
  • the net-like structure 25 the inner diameter of the shaped body 2 and the contact surface between the shaped body 2 and the supply cannula 4 by the individual webs 32 of the net-like structure 35 is determined.
  • the ready-mounted stomach tube is z. B. used in comatose patients who can no longer provide themselves with food.
  • the gavage 1 according to the invention or the supply cannula 4 of the nasogastric tube 1 is introduced into the esophagus of the patient.
  • the advantageous length of the molded body 2 of about 6 to 9 mm ensures a good placement in the segment between the upper and lower sphincter of the esophagus.
  • the radiopaque markers 34 allow a check of the correct position of the probe by X-ray.
  • the tampon balloon 3 With a fluid z. B. water filled.
  • the fluid flows through the connection opening 11 of the supply channel 10 into the lumen 5 of the molded body 2.
  • the fluid enters the interior 8 of the tampon balloon 3.
  • By filling with the fluid expands the tampon balloon 3 from until it rests almost completely against the wall of the esophagus 28, as in FIG. 2 to see.
  • This allows the esophagus 28 largely against liquids or solids, which have the tendency to ascend from the stomach area towards the pharynx, seal and thus keep the trachea from disturbing influences.
  • Swallowing movements of the patient supplied with the nasogastric tube according to the invention lead to muscle contractions along the esophagus. These cause one or more of several ring-like constrictions of the esophagus, which proceed from the larynx area towards the stomach or run along the esophagus.
  • the movement of a single annular constriction will be considered below.
  • the ring-like constriction leads to a partial reduction of the outer diameter of the tampon balloon, that is to a local constriction 31 of the tampon balloon 3, which in FIG. 1 is shown by a dashed line.
  • the shaped body 2 according to the invention provides a lumen 5 which enables a rapid volume exchange between the individual subregions 29, 30 of the tampon balloon 3.
  • the surface 6 of the molding 2 according to the invention provides, if necessary, a contact surface for the constricted wall region of the tampon balloon 3.
  • the lumen 5 is thus kept free of these external influences and is completely available for volume exchange.

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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)
  • Otolaryngology (AREA)
  • Pulmonology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Claims (24)

  1. Sonde gastrique (1) avec un ballonnet de tamponnement (3) et une canule d'alimentation (4) à introduire dans l'oesophage, à laquelle un lumen (5) est superposé dans la région du ballonnet de tamponnement (3) et est en communication avec l'espace intérieur (8) du ballonnet de tamponnement (3), et permet une compensation de volume rapide entre différentes régions du ballonnet de tamponnement (3), caractérisée en ce qu'un corps moulé séparé (2) est posé sur la canule d'alimentation (4) dans la région du ballonnet de tamponnement, et détermine la forme du lumen (5).
  2. Sonde gastrique (1) selon la revendication 1, caractérisée en ce que le corps moulé (2) présente une structure tubulaire (18), dont le contour intérieur correspond sensiblement au contour extérieur de la canule d'alimentation (4).
  3. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) présente au moins une ouverture (23), qui s'étend environ en direction longitudinale du corps moulé (2) sur au moins 50 à 60 %, de préférence jusqu'à 80 % de la longueur totale du corps moulé et qui relie le lumen (5) à l'espace intérieur (8) du ballonnet de tamponnement (3).
  4. Sonde gastrique (1) selon la revendication 3, caractérisée en ce que l'ouverture (23) s'étend environ sur toute la longueur du corps moulé (2).
  5. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) présente, en section transversale, plusieurs éléments de paroi (20) s'étendant radialement, qui présentent à leurs extrémités les plus extérieures (21) une face (22) s'étendant environ transversalement à l'élément de paroi respectif (20).
  6. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce qu'au moins un des éléments de paroi (20) présente un profil sensiblement en forme de T.
  7. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce qu'au moins un des éléments de paroi (20) présente un profil sensiblement en forme de L.
  8. Sonde gastrique selon la revendication 1 ou 2, caractérisée en ce que la section transversale du corps moulé (2) présente plusieurs zones de paroi (13), qui prennent appui sur la canule d'alimentation (4) de la sonde (1) et qui limitent avec elle au moins une zone partielle (15) du lumen (5).
  9. Sonde gastrique (1) selon la revendication 8, caractérisée en ce que les zones de paroi (13) s'étendent sensiblement en forme d'étoile dans l'intérieur du corps moulé (2).
  10. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) présente une hélice (24) en forme de spirale.
  11. Sonde gastrique (1) selon la revendication 10, caractérisée en ce qu'un élément sensiblement en forme de tuyau souple, qui présente des ouvertures réparties sur sa surface, est disposé sur l'hélice (24).
  12. Sonde gastrique (1) selon la revendication 11, caractérisée en ce que l'élément en forme de tuyau souple est réalisé à la manière d'un filet.
  13. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) présente une ou plusieurs couches d'une structure en filet (25).
  14. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le lumen (5) est raccordé, dans la région de la face frontale axiale du corps moulé (2), à un canal d'alimentation (10) par lequel le ballonnet de tamponnement (3) peut être rempli d'un fluide.
  15. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) se compose de PVC, PUR, de mélanges de PVC et PUR, de mélanges de PUR et de polyamides et/ou de silicone.
  16. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est fabriqué par extrusion.
  17. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est fixé par un ajustement serré sur la canule d'alimentation (4).
  18. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est fixé par friction sur le corps de base de la canule d'alimentation (4).
  19. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est fixé par adhérence sur la canule d'alimentation (4).
  20. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est fixé par complémentarité de matière sur la canule d'alimentation (4).
  21. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le corps moulé (2) est traité au moins localement avec un solvant.
  22. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que le diamètre extérieur du corps moulé (2) se situe environ entre 7 et 12 mm, en particulier entre 6 et 8 mm.
  23. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que la longueur du corps moulé (2) se situe environ entre 6 et 12 cm, en particulier entre 6 et 9 cm.
  24. Sonde gastrique (1) selon au moins une des revendications précédentes, caractérisée en ce que la sonde est munie d'au moins un marqueur imperméable aux rayons X.
EP07702636A 2006-02-22 2007-01-09 Sonde gastrique Active EP1986726B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006002832U DE202006002832U1 (de) 2006-02-22 2006-02-22 Magensonde
PCT/EP2007/000128 WO2007096022A2 (fr) 2006-02-22 2007-01-09 Sonde gastrique

Publications (2)

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EP1986726A2 EP1986726A2 (fr) 2008-11-05
EP1986726B1 true EP1986726B1 (fr) 2013-03-06

Family

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EP07702636A Active EP1986726B1 (fr) 2006-02-22 2007-01-09 Sonde gastrique

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US (1) US8740928B2 (fr)
EP (1) EP1986726B1 (fr)
JP (1) JP4783831B2 (fr)
CA (1) CA2642877C (fr)
DE (1) DE202006002832U1 (fr)
MX (1) MX2008010745A (fr)
WO (1) WO2007096022A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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JP2013106797A (ja) * 2011-11-21 2013-06-06 Nipro Corp バルーンカテーテル

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Also Published As

Publication number Publication date
CA2642877A1 (fr) 2007-08-30
WO2007096022A2 (fr) 2007-08-30
MX2008010745A (es) 2009-01-21
WO2007096022A3 (fr) 2008-02-14
EP1986726A2 (fr) 2008-11-05
DE202006002832U1 (de) 2007-07-05
JP4783831B2 (ja) 2011-09-28
US20090222030A1 (en) 2009-09-03
US8740928B2 (en) 2014-06-03
CA2642877C (fr) 2011-07-05
JP2009527295A (ja) 2009-07-30

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