EP2713987A1 - Sonde zur enteralen ernährung eines patienten - Google Patents
Sonde zur enteralen ernährung eines patientenInfo
- Publication number
- EP2713987A1 EP2713987A1 EP12725351.6A EP12725351A EP2713987A1 EP 2713987 A1 EP2713987 A1 EP 2713987A1 EP 12725351 A EP12725351 A EP 12725351A EP 2713987 A1 EP2713987 A1 EP 2713987A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- probe
- distal end
- tube
- probe according
- retaining device
- 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
- 239000000523 sample Substances 0.000 title claims abstract description 161
- 235000016709 nutrition Nutrition 0.000 title claims abstract description 15
- 230000035764 nutrition Effects 0.000 title claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 7
- 210000002784 stomach Anatomy 0.000 description 35
- 210000003815 abdominal wall Anatomy 0.000 description 10
- 210000003813 thumb Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 235000015097 nutrients Nutrition 0.000 description 7
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 210000003238 esophagus Anatomy 0.000 description 4
- 238000002575 gastroscopy Methods 0.000 description 4
- 210000000936 intestine Anatomy 0.000 description 3
- 210000001630 jejunum Anatomy 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 235000021405 artificial diet Nutrition 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000008384 ileus Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000016236 parenteral nutrition Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
- A61J15/0034—Retainers adjacent to a body opening to prevent that the tube slips through, e.g. bolsters
- A61J15/0038—Retainers adjacent to a body opening to prevent that the tube slips through, e.g. bolsters expandable, e.g. umbrella type
-
- 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
- A61J15/0053—Means for fixing the tube outside of the body, e.g. by a special shape, by fixing it to the skin
- A61J15/0065—Fixing means and tube being one part
-
- 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
Definitions
- the invention relates to a probe for enteral nutrition of a
- Such a probe has a tube section, which extends at least in sections along an axial direction, with a proximal end and a distal end and a retaining device arranged at the distal end of the tube section.
- Retaining device here has a compressed state and a stretched state: In the compressed state, the retaining device projects beyond the distal end of the tube section at least in a direction radially to the axial direction, while in the extended state, the retainer is stretched along the axial direction and one in comparison to the compressed Condition radially smaller expansion has.
- the restraint device can be activated or deactivated in cooperation with an actuating device by being transferred from the compressed state to the extended state or conversely from the extended state to the compressed state.
- Such a probe can, for example, in the context of a
- PEG percutaneous endoscopic gastrostomy
- Hose section in the form of a flexible plastic hose s provides access to the stomach.
- a PEG allows artificial feeding with tube feeding as enteral nutrition via the gastrointestinal tract (as opposed to parenteral nutrition, where the diet is via intravenous vessels).
- a probe of the type described here is basically not limited to the PEG, but can, for example, in the so-called Jet-PEG or in the context of a percutaneous endoscopic jejunostomy (PEJ) are used.
- PEJ percutaneous endoscopic jejunostomy
- another narrow probe tube is placed through the underlying PEG, the distal end of which is placed beyond the stomach exit and the duodenum into the uppermost portion of the small intestine (the jejunum or jejunum).
- PEJ involves direct puncture of the jejunum.
- Yarn threading method A suture is inserted through a cannula into the patient's stomach, which is grasped in the stomach via an endoscope inserted through the mouth and esophagus of the patient and pulled through the esophagus and the patient's mouth.
- the probe to be placed on this thread is knotted, and the probe is pulled through the mouth, the esophagus, the stomach and an opening in the abdominal wall by pulling on the protruding end of the abdomen until the probe reaches its intended position on the abdominal wall Has.
- such probes laid down by the thread-passing method have a plate made of plastic and firmly fixed to the distal end of the tube of the probe, which prevents the probe from slipping outwards and from the inside comes to rest on the stomach wall.
- the thread-passing method has proven itself many times in the past.
- placement of the probe is relatively cumbersome and, in addition, removal of the probe may be difficult if use of the probe for enteral nutrition of the patient is no longer required or if the probe is to be replaced after a prolonged period of use.
- either the probe on the outside of the abdominal skin can be cut off and the protruding end of the probe pushed into the stomach, in order subsequently to prevent the departure of the probe Inside (the distal end of the probe tube together with the restraining device arranged thereon) to wait over the intestine. Or a new gastroscopy can be performed in the
- Restraint device for example, an activatable and
- deactivatable balloon is used.
- Such probes allow placement and replacement without endoscopic gastroscopy.
- a retaining device is arranged at a distal end of a hose section, which in a compressed, holding state has a spherical or pyramidal shape and via a
- Actuator in the form of a so-called obturator can be stretched so that it can be pushed in a stretched state in a simple manner through an opening in the abdominal wall into the stomach or pulled out to replace the probe out of the stomach.
- the restraint device is made of a resilient, deformable material and has individual webs that cause a biasing force from the extended state to the compressed state of the restraint device.
- Retaining device by inserting a so-called stylet of the obturator in the probe tube in the extended state
- the retaining device has a radially large compared to the tube and prevents slippage of the probe through the abdominal wall.
- discontinuous surface shaping elasticity is provided, which allow a deflection out of a compressed state in an extended state and an elastic return to the compressed state.
- enteral feeding probes which are placed percutaneously on a patient, it should also be ensured that in particular those elements of the restraint device which rest against the inside of the stomach wall for retaining the probe do not grow into the stomach wall (so-called buried bumper syndrome). or the
- stomach wall is not irritated. This risk is all the more in restraints, which have a discontinuous surface shaping with openings and webs.
- the object of the present invention is to provide a probe for the enteral nutrition of a patient, which enables simple placement and replacement of the probe.
- Nutrition of a patient comprising an at least partially extending along an axial direction hose portion having a proximal end and a distal end, and one disposed at the distal end of the hose portion
- Retaining device which projects in a compressed state, the distal end of the tube portion at least in a direction radially to the axial direction and in an extended state in which the retainer is stretched along the axial direction, compared to the compressed state radially smaller extent, wherein the retaining device in cooperation with an actuator from the compressed state in the
- proximal end is understood here the end of the tube portion or of the outer tube and the inner tube, which is not inserted in the probe inserted in the patient and can be connected, for example, with a transfer system or a nutrient container.
- distal end is meant the end which is introduced when the probe is inserted into the patient, usually in a hollow organ. As enteral nutrition becomes
- the invention is characterized in particular in that the tube section is formed by an outer tube and within the outer tube a uzeschiauch having a proximal end and a distal end, wherein the
- Inner tube is connected with its distal end to the actuating piece and along the axial direction is elastic such that the actuating piece relative to the outer tube along the axial direction for transferring the retaining device from
- the retaining device is a support structure having a shell surrounding the support structure.
- the inner tube also has a proximal end and a distal end, wherein the outer tube and the inner tube are connected, in particular at their respective proximal end, to a proximal end piece of the probe.
- the inner tube is connected at its distal end to the movable relative to the outer tube actuating piece.
- the inner tube is designed so elastically along the axial direction, that the actuating piece relative to the outer tube along the axial direction for transferring the return device from the compressed state in the extended state can be moved.
- To transfer the return device from the compressed state in the stretched state is by inserting a
- Actuator in the form of an obturator in the inner tube exerted an adjusting force on the actuating piece, as a result of which the actuating piece moves axially and from the distal end of the
- Outer tube is removed, so that the backhaul device with its support structure and shell stretched and at the same time the connected to the operating piece of inner tube is stretched in an elastic manner.
- the inner tube is elastically tensioned so that it provides a restoring force on the return device in the direction of its compressed
- the probe in particular the diameter D1 of the probe, can vary depending on the application or required catheter outer diameter
- the elasticity of the inner tube in the axial direction is chosen so that it is stretchable in the axial direction by at least one length, so that the diameter of the probe is reduced in the extended state such that the probe can be inserted through an access into the patient.
- Inner tube stretchable by at least a length of about Dl in the axial direction.
- the probe thus uses two tubes, arranged coaxially with one another and not connected to each other along the axial direction, in the form of the outer slide and the coaxial therewith
- the interior window can in this case be designed to guide the application fluid to be supplied, in particular a nutrient and / or medicament fluid.
- it can be in fluid communication with an opening of the proximal end piece and with an opening of the distal operating piece.
- the réelleschiauch is advantageously sealed with its inner lumen relative to the outer tube, so that a
- the retaining device is preferably radially outside the
- the outer tube has a
- Outer diameter in a range of 3 mm to 20 mm, preferably from 4 mm to 12 mm, particularly preferably from 4 mm to 8 mm.
- the inner tube has a smaller outer diameter than the
- Wall thickness of the outer tube and / or the inner tube 0, 1 mm to 2 mm, preferably 0.2 mm to 1 mm.
- the restraint device has a
- This embodiment of the invention is based on the idea to use a restraint device, on the one hand a
- the support structure is in this case designed so that the forces acting on the probe in a laid state tensile forces can be absorbed, for example by the Stauerstru ktur can absorb a retention force of greater than 25 N.
- the surrounding shell encloses the support structure and envelops it to the outside, so that on the shell a continuous surface is created over which an advantageous investment of
- Restraining device can be obtained, for example, on an inner stomach wall and in which the Risi ko is reduced for ingrowth of the restraint device in the stomach wall with prolonged use of the probe for enteral nutrition (not unusual is that a probe for enteral nutrition far longer than a year in a patient remains).
- the Stauerstru ktur and surrounding the support structure shell are arranged against each other movable or displaceable. They are not glued together. You can glide together.
- the support structure may, for example, by one of several
- the braid includes one
- the fiber or fibers are movable relative to each other. It is or are not glued together at the fiber crossing points. You can glide together.
- the fibers may for example be made of a thermoplastic
- Plastic for example polyester, in particular
- PET Polyethylene terephthalate
- the restraint device has a bellows with a proximal and a distal inner side and a spacer arranged in the bellows for the proximal
- the spacer causes the proximal inner side and the distal inner side of the bellows to not rest on each other in the compressed condition of the probe.
- the bellows does not collapse completely. This leaves air in the compressed state in the interior of the bellows. It forms a kind of air cushion or air cushion.
- the bellows with the forming air cushion on the one hand provides the required strength and rigidity to keep the probe in its set position in its intended position.
- the bellows provides an enveloping shell.
- the bellows thus provides a support structure as well as a shell, in particular with the support structure and shell described above
- the spacer is designed in one embodiment as a, preferably two-stage, sleeve, which is particularly attached to the distal end of the inner tube.
- the sheath and / or the bellows can be advantageously made of a biocompatible material such as silicone or a
- composition containing silicone and polyurethane be made. Characterized in that the shell of the support structure and / or the bellows the Includes spacers and z. B. prevents contact of Stützstru ktur with the stomach wall, is a beneficial, biocompatible
- Attachment of the retention device to the stomach wall (or other hollow organ wall in other use of the probe).
- the shell and the support structure are in particular as separate
- Stauerstru ktur is disposed within the shell and to the outside sealingly from the shell
- the spacer and the bellows are in particular designed as separate components, wherein the spacer is disposed within the bellows and is sealed from the bellows to the outside.
- Hose section concentric outer contour.
- Retaining device forms in the compressed state in this case preferably a flat, plate-like structure, which is to
- the retaining device Due to the dish-like, flat shape of the braided, enclosed by the shell support structure, the retaining device
- Spacers may each have one end with the distal end of the tube portion of the probe and another end with one opposite the distal end of the tube portion
- the actuating piece can in this case be moved to place the probe via an actuator in the form of an obturator to the restraint device with their support structure in the stretched state and in this way to reduce the radial extent of the retaining device for easy insertion of the probe. If the actuating device in the form of the obturator is removed again after the insertion of the probe, then the actuating piece can, due to acting elastic prestressing forces or possibly also under the action of the
- Obturator be approximated to the distal end of the tube section again, so that the retaining device from the
- stretched state is returned to the compressed state in order to keep the probe in its intended position.
- Fig. 1 is a perspective overview view of a probe
- Fig. 2A is a schematic view of a probe before laying
- Fig. 2B is a schematic view of the probe in the laid state
- Fig. 3 is an exploded perspective view of a distal end of the probe
- Fig. 4A is a perspective view of the distal end of the probe with a retaining device in a compressed
- FIG. 4B is a half-sectional view of the assembly of FIG. 4A; FIG.
- Fig. 5A is a perspective view of the distal end of the probe with the retainer disposed thereon in a stretched condition
- Fig. 5B is a half-sectional view of the arrangement of Fig. 5A;
- 6A is a plan view of a Stönstru ktur the
- Fig. 6B is a sectional view through the support structure along the line
- Fig. 6C is a schematic view showing the braid structure of the support structure; a separate plan view of a shell of
- FIG. 8A a side view of the inner tube of FIG. 8A;
- FIG. 9A a side view of the outer tube of FIG. 9A;
- FIG. 12A a sectional view taken along the line I - I of the centering of FIG. 12A;
- FIG. 13A a plan view of a proximal end of the probe; a sectional view of the proximal end along the line I - I of FIG. 13A;
- FIG. 13B an enlarged detail of FIG. 13B showing a toothing on a cylindrical portion of the
- FIG. 1 a perspective view of the probe with an actuating device arranged in the form of a
- Fig. 16B is a perspective view of a head of the stylet of Fig. 16A;
- FIG. 16C is a sectional view through the head of FIG. 16B; FIG.
- 17A is a partial sectional view of the actuator before
- 17B is a partial sectional view of the actuator in
- Fig. 17C is a partial sectional view of the actuator according to
- Fig. 18A is a cross-section of a probe with a bellows and a spacer positioned inside the bellows in an assembled condition;
- Fig. 18B is a cross section of a two-stage spacer and Fig. 18C is a cross-section of a spacer surrounding the spacer
- Fig. 1 shows in perspective perspective view a probe 1 which can be placed percutaneously through the abdominal or intestinal wall of the patient for enteral nutrition to provide direct access to, for example, the stomach or intestine of a patient.
- the probe 1 has for this purpose a tube system consisting of an outer tube 16 and an inner tube 15, which are connected at their proximal ends with a proximal end piece 17 and at its distal ends with a retaining device 12, 13. With a distal end 1B, the probe 1 is to be guided through an opening of the abdominal wall of a patient, while a
- Proximal end 1A of the probe 1 with the probe 1 placed outside the patient remains, so that via the proximal end 17 a
- Transfer system or, for example, a container with a
- Nutrient fluid can be connected to the probe 1 to feed the patient enterally.
- the retaining device 12, 13 serves to hold the probe 1 in its intended position and a placed probe 1
- the retaining device 12, 13, the structure and function of which will be explained in detail below, has a compressed
- FIGS. 2A and 2B illustrate the basic procedure for placing the probe 1. To surround the probe 1 with its distal end 1B through an opening 32 of a skin layer 30 and a stomach wall 31
- the backhaul device 12, 13 is stretched by applying a force via an actuator in the form of an obturator (to be explained below) along an axial direction S, along which the probe 1 extends substantially, so that the diameter Dl 'the
- Restraint device 12, 13 is reduced in the radial direction and the probe 1 with its distal end 1 B without great effort in an insertion direction E through the opening 32 in a stomach 3 of a
- the probe 1 will be described below with reference to a use as a PEG probe.
- the probe 1 can basically also be used, for example, as a jet PEG or PEJ probe.
- the probe 1 can thus not with its distal end 1 B from the stomach. 3 be withdrawn and is held by the in the compressed state retaining device 12, 13 so that in the stomach 3. Soli the probe 1 are replaced, so the
- FIGS. 18A to 18C show a further exemplary embodiment of a probe with a retaining device 40 and 41.
- the explanations given in particular with reference to FIGS. 14 to 17 also apply to this embodiment.
- FIGs 3 to 5 are first an overview of the distal end 1B of the probe 1 with the backhaul device 12, 13 arranged thereon. Figures 6 to 13 then show separate views of individual ones
- the retaining device 12, 13 is within the meaning of the present
- Invention constructed in two parts and has an inner support structure 13 and an outer shell 12.
- the support structure 13 is through a
- Braid is formed of a number of Einzeimaschinen 133 (see FIGS. 6A to 6C) and is connected to a first end 131 with a centering sleeve 14 and with a second end 130 with an actuating piece 10 (see Fig. 3).
- the fibers 133 of the support structure 13 can be configured for example of a thermoplastic material, in particular polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- Support structure 13 in its compressed state (see Fig. 3 and Fig. 4A and 4B and Fig. 6B) record retaining forces that hold the probe 1 safely in its laid state and, for example, 25 N can exceed.
- the support structure 13 is enclosed by the sheath 12, which is defined by e.g. made of silicone enveloping body 123 is formed with a wall thickness of a few tenths of a millimeter (see Fig. 7A and 7B).
- the shell 12 is connected to a first end 121 also with the sheath 12
- Both the support structure 13 in the form of the braid and the shell 12 are thus with a first end 121, 131 with the centering sleeve 14 and with another, second end 120, 130 with the
- the centering sleeve 14 (see FIGS. 12A and 12B) is defined by two
- Section 140 is present, while the sheath 12 is slipped with its end 121 on the cylindrical portion 140 and abuts an outer wall 140 A of the cylindrical portion 140. Both the shell 12 and the support structure 13 are advantageously fixed to the
- the actuating piece 10 (see FIGS. 10A and 10B) has at its distal end side a collar 100 and, subsequently, with smaller diameters, cylindrical portions 101, 102.
- the support structure 13 is slipped with its second end 130 over the adjoining the collar 100 cylindrical portion 101 and a distal sleeve 11 (see Fig.
- Section 110 of the distal sleeve 11 abuts the second end 120 of the sheath 12, which is slipped over the distal sleeve 11 and additionally fixed to the distal sleeve 11, for example glued or welded.
- the support structure 13 in the form of the braid is preferably fixed with its second end 130 in addition to the clamping stop on the actuating piece 10, for example glued or welded. Due to the firm conclusion of the retaining device 12, 13 via the actuating piece 10 toward the distal end of the probe 1 is in
- the probe 1 has, as already mentioned above, a
- Outer tube 16 and an inner tube 15 which are arranged coaxially with each other.
- the outer tube 16 (see FIGS. 9A and 9B) is made of a flexible but relatively high tensile strength material such as polyurethane and is provided with a distal end 160 across the cylindrical portion 141 of FIG.
- Centering sleeve 14 is slipped so that it rests against the outer wall 141 A (see Fig. 12B) of the cylindrical portion 141, wherein the
- Outer tube 16 is preferably additionally glued or welded to the Zentrierhüise 14.
- the outer tube 16 is transverse to
- Axiaicardi S sufficiently rigid and dimensionally stable, so that it forms a dimensionally stable access to the stomach 3 (so-called stoma channel) due to its inherent rigidity in the laid state of the probe 1.
- the inner tube 15 (see FIGS. 8A and 8B) is made of an axially elastically extensible material along the axial direction S, for example Sili kon, and is provided with its inner opening 152 in
- the actuating piece 10 can be moved along the axial direction S to the Stitzstru ktur 13 from its in Fig. 3 and 4A and 4B, shown in the compressed state shown in FIG. 5A and 5B idealized shown to transfer extended position.
- the actuating piece 10 is for this purpose moved by the action of an external actuator in the form of an obturator in the axial direction S and thus removed from the distal end 160 of the outer tube 16, so that the Stauerstru ktur 13 and thus the shell 12 in the axial direction S between the centering 14 and the
- the outer tube 16 is in the movement of the actuating piece 10 in the axial direction S for stretching the retaining device 12, 13th not stretched, so that the centering sleeve 14 is held substantially in its axial position.
- the inner tube 15 may be mounted under tension on a train so that even in the compressed state due to the bias of the inner tube 15, a tensile force acts on the support structure 13, which holds the support structure 13 in the compressed state.
- the inner tube 15 extends completely within the
- the support structure 13 and the sheath 12 are in this case arranged radially outside of the inner tube 15, wherein the inner tube 15 is sealed with its inner lumen completely to the outside, characterized in that the inner tube 15 is connected with its distal end 150 to the actuating piece 10 is.
- a nutrient fluid flowing through the inner tube 15 thus does not come into contact with the support structure 13 and does not have to flow around it.
- the support structure 13 can not come into contact with tissue.
- a continuous surface surface of the retaining device 12, 13 is provided to the outside, which creates a convenient investment on a stomach wall when using the probe 1 as a PEG probe.
- the shell 12 provides a closed surface to the outside, the risk of ingrowth is
- Retaining device 12, 13 minimized in the stomach wall.
- restraining forces can advantageously be transferred in flat contact with low surface pressure.
- the plate-like, flat shape of the retaining device 12, 13 results in
- the inner tube 15 and the outer tube 16 are each connected to a proximal end piece 17 of the probe 1 at their proximal ends 151 and 161 facing away from the distal end 150 and 160 (see FIGS. 8A, 8B and 9A, 9B).
- This proximal end piece 17 is shown in different views in FIGS. 13A to 13C and has a cylindrical portion 170, followed by a collar 172 and a cylindrical portion 171.
- Section 170 is mounted a toothing 170G in the form of circumferential teeth, which serves to the inner tube 15 and the
- Outer tube 16 to connect to the proximal end 17.
- the inner tube With its proximal end 151 on the cylindrical portion 170 and the thereto
- Inner tube 15 to evert so that both the inner tube 15 and the outer tube 16 under extension of their respective proximal ends 151, 161 press-held on the toothing 170G of the proximal end 17 are held.
- the inner tube 15 and the outer tube 16 are at their ends 150, 151 and 160, 161, respectively
- the inner tube 15 is in fluid communication with a central opening 173 of the proximal end piece 17, so that via the proximal end piece 17, the inner tube 15 and the distal
- the proximal end piece 17 can for this purpose via the cylindrical portion 171, for example, with a
- Transfer system or a nutrient bag are connected.
- 14 to 17 show in different views the interaction of the probe 1 with an actuator 2 in the form of an obturator.
- the actuating device 2 which itself is not part of the probe 1, serves to actuate the retaining device 12, 13 for transferring from its compressed state to the extended state, so that the probe 1 is placed as intended in a patient and through an opening can be guided in a stomach wall.
- the actuator 2 has as a first assembly a
- Connector 20 for connection to the proximal end portion 17 of the probe and a fixedly connected to the connector 20 handle 21.
- a so-called stylet is provided, which consists of a rod 22 (also referred to as stylet rod), a thumb piece 23 and a head 24 (also as stylet head
- the rod 22, the thumb piece 23 and the head 24 are fixedly connected to each other and can be inserted through an opening 210 in a body 212 of the handle 21 through the connector 20 into the inner tube 15 of the probe 1.
- the head 24 is over a
- the connector 20 is connected to the proximal end piece 17 of the probe 1, for example via a suitable threaded connection,
- the stylet with the head 24 and the rod 22 is inserted through the opening 210 in the inner tube 15 until the head 24 comes into abutment with the cylindrical portion 102 of the actuating piece 10, as shown in Fig. 4B.
- the head 24 has this one on a
- Head portion 240 arranged, circumferential projection 241, the with inserted head 24 frontally abuts the cylindrical portion 102 of the actuating piece 10 and above a
- the retaining device 12, 13 is now actuated for transfer to the stretched state, a user grasps with index and middle finger in grip eyelets 211 on the grip 21 and presses with his thumb on the thumb piece 23, so that the stylet with the rod 22 and the head 24 in the
- Axial direction S is pressed so that moves together with the head 24, the actuating piece 10 in the axial direction S and thereby the retaining device 12, 13 is stretched.
- thumb piece 23 On the thumb piece 23 are locking elements 230, which serve for locking the thumb piece 23 with a locking projection 213 on the body 212 of the handle 21. If the retaining device 12, 13 has been transferred into its extended state, then the thumb piece 23 is in the position shown in FIG. 17B. By tilting the thumb piece 23 with the mandrin arranged thereon, one of the latching elements 230 can be hooked into the latching projection 213 and thereby, as shown in FIG. 17C, the
- Actuator 2 are locked detent, so that the
- Retaining device 12, 13 is held in its stretched state and the probe 1 can be supplied to a patient as intended and placed.
- FIGS. 18A to 18C show an alternative or supplementary one
- FIG. 18A first shows the distal end 1B of a probe 1 in the compressed state with a bellows 40 and a spacer 41 positioned inside the bellows 40.
- FIGS. 18B and 18C show the spacer 41 and the spacer 41
- the spacer 41 causes the bellows 40 in its compressed state does not collapse or collapse.
- the inner sides 40C of the bellows 40 are held spaced from each other.
- the distal inner side 40C of the bellows 40 is associated with the distal end 1B of the probe 1.
- the proximal inner side 40C of the bellows 40 is associated with the proximal end 1A of the probe 1. This leaves a certain amount of air in the bellows 40. It forms an air cushion. The forming air cushion is sufficient to the bellows 40 and thus the retention device a
- the bladder 40 simultaneously provides a shell for the spacer 41 and an air cushion or air cushion.
- the bellows 40 preferably has the same properties as the shell 12 described above
- the spacer 41 is as a sleeve 41 or preferably
- the sleeve 41 consists of or comprises a metal.
- the sleeve 41 is disposed at the distal end 150 of the inner tube 15.
- the sleeve 41 is attached to the distal end 150 of the inner tube 15 and optionally glued to it.
- the sleeve 41 is positioned in the interior of the bellows 40.
- the bellows 40 extends beyond the sleeve 41 on both sides.
- the bellows 40 is, preferably by gluing, connected on one side with the outer tube 16 and on the other side with the actuating piece 10.
- the sleeve 41 is designed in two stages. It has two sections 41-1 and 41-2 with different diameters. The smaller diameter portion 41-2 is associated with the distal 1B end of the probe 1. As a result, an edge 41-3 forms on the outside of the sleeve 41. At the edge 41-3 comes the front inside 40C of the bellows 40 in the compressed state to the plant. The edge 41-3 forms a stopper for the bellows 41.
- Previously described embodiments limited, but can also be realized in fundamentally different embodiments.
- the use of a probe of the type described here is not limited to percutaneous endoscopic gastrostomy, but the probe is basically without
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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)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12725351.6A EP2713987B1 (de) | 2011-05-24 | 2012-05-24 | Sonde zur enteralen ernährung eines patienten |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161489275P | 2011-05-24 | 2011-05-24 | |
| EP11167284 | 2011-05-24 | ||
| EP12725351.6A EP2713987B1 (de) | 2011-05-24 | 2012-05-24 | Sonde zur enteralen ernährung eines patienten |
| PCT/EP2012/059700 WO2012160134A1 (de) | 2011-05-24 | 2012-05-24 | Sonde zur enteralen ernährung eines patienten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2713987A1 true EP2713987A1 (de) | 2014-04-09 |
| EP2713987B1 EP2713987B1 (de) | 2015-07-08 |
Family
ID=47216632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12725351.6A Not-in-force EP2713987B1 (de) | 2011-05-24 | 2012-05-24 | Sonde zur enteralen ernährung eines patienten |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9039661B2 (de) |
| EP (1) | EP2713987B1 (de) |
| JP (1) | JP5995333B2 (de) |
| CN (1) | CN103547246B (de) |
| AU (1) | AU2012260832B9 (de) |
| BR (1) | BR112013029882A2 (de) |
| CA (1) | CA2836623A1 (de) |
| DK (1) | DK2713987T3 (de) |
| ES (1) | ES2546744T3 (de) |
| WO (1) | WO2012160134A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3066331C (en) * | 2009-07-10 | 2022-11-29 | Medicaltree Patent Ltd. | Implantable lubrication device and method of treating a human or mammal patient by means of the device |
| US9149176B2 (en) * | 2012-09-13 | 2015-10-06 | Emmy Medical, Llc | 4-way cystoscopy catheter |
| DE202015009010U1 (de) | 2014-06-10 | 2016-06-24 | Kliniken Der Stadt Köln Ggmbh | Papillotom für die perkutane endoskopische Gastrostomie |
| DE102015102542A1 (de) * | 2015-02-23 | 2016-08-25 | medwork GmbH | Endoskopische Schneideinrichtung zum Freischneiden einer mit einer Halteplatte versehenen Sonde |
| CN104888296B (zh) * | 2015-05-25 | 2017-10-24 | 王洛 | 套管式胃穿刺冲洗减压装置 |
| CN104970981B (zh) * | 2015-08-05 | 2016-03-02 | 三峡大学第一临床医学院 | 便于更换的鼻饲管及更换方法 |
| USD908865S1 (en) | 2018-08-17 | 2021-01-26 | Emmy Medical, Llc | Catheter |
| DE102019000474A1 (de) * | 2019-01-24 | 2020-07-30 | Creative Balloons Gmbh | Vorrichtung zur dichtend tamponierenden Protektion von Darm-Anastomosen |
| MX2021013473A (es) * | 2019-05-06 | 2022-01-06 | Bles Biochemicals Incorporated | Sonda de alimentacion con estilete integrado. |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073166A (en) | 1989-02-15 | 1991-12-17 | Medical Innovations Corporation | Method and apparatus for emplacement of a gastrostomy catheter |
| US5248302A (en) | 1992-08-05 | 1993-09-28 | Biosearch Medical Products Inc. | Percutaneous obturatable internal anchoring device |
| US5431676A (en) * | 1993-03-05 | 1995-07-11 | Innerdyne Medical, Inc. | Trocar system having expandable port |
| US5429598A (en) * | 1994-04-19 | 1995-07-04 | Applied Medical Resources Corporation | Surgical access device and procedure |
| US6066112A (en) * | 1996-01-11 | 2000-05-23 | Radius International Limited Partnership | Corporeal access tube assembly and method |
| JP3675650B2 (ja) * | 1997-10-14 | 2005-07-27 | シー・アール・バード・インコーポレーテッド | 身体アクセスチューブ |
| US6159178A (en) * | 1998-01-23 | 2000-12-12 | Heartport, Inc. | Methods and devices for occluding the ascending aorta and maintaining circulation of oxygenated blood in the patient when the patient's heart is arrested |
| US7083595B2 (en) | 2002-05-01 | 2006-08-01 | Scimed Lipe Systems, Inc. | Medical catheter assembly and method of using the same |
| DE602004020213D1 (de) | 2003-04-28 | 2009-05-07 | Sumitomo Bakelite Co | Katheterkit für ein loch |
| JP4623548B2 (ja) | 2004-04-30 | 2011-02-02 | 日本シャーウッド株式会社 | 胃瘻形成管用伸展具 |
| JP4721329B2 (ja) | 2005-04-21 | 2011-07-13 | 日本シャーウッド株式会社 | 体内留置具 |
| WO2008027375A2 (en) | 2006-08-31 | 2008-03-06 | Cook Incorporated | Rotationally actuated fixation mechanism |
| JP5018522B2 (ja) * | 2008-02-06 | 2012-09-05 | 住友ベークライト株式会社 | 瘻孔用留置カテーテルキット及び瘻孔用留置カテーテルキットの挿入準備方法 |
| US8523818B2 (en) | 2009-01-19 | 2013-09-03 | Kimberly-Clark Worldwide, Inc. | Enteral feeding assembly with obturator |
| SI3170476T1 (sl) * | 2009-07-10 | 2022-01-31 | Medicaltree Patent Ltd. | Implantabilna mazalna naprava |
-
2012
- 2012-05-23 US US13/478,268 patent/US9039661B2/en not_active Expired - Fee Related
- 2012-05-24 CA CA2836623A patent/CA2836623A1/en not_active Abandoned
- 2012-05-24 ES ES12725351.6T patent/ES2546744T3/es active Active
- 2012-05-24 AU AU2012260832A patent/AU2012260832B9/en not_active Ceased
- 2012-05-24 WO PCT/EP2012/059700 patent/WO2012160134A1/de not_active Ceased
- 2012-05-24 DK DK12725351.6T patent/DK2713987T3/en active
- 2012-05-24 EP EP12725351.6A patent/EP2713987B1/de not_active Not-in-force
- 2012-05-24 CN CN201280025167.2A patent/CN103547246B/zh not_active Expired - Fee Related
- 2012-05-24 BR BR112013029882A patent/BR112013029882A2/pt not_active IP Right Cessation
- 2012-05-24 JP JP2014511871A patent/JP5995333B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012160134A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013029882A2 (pt) | 2016-12-20 |
| CA2836623A1 (en) | 2012-11-29 |
| CN103547246A (zh) | 2014-01-29 |
| AU2012260832B9 (en) | 2015-11-12 |
| CN103547246B (zh) | 2016-06-15 |
| US9039661B2 (en) | 2015-05-26 |
| WO2012160134A1 (de) | 2012-11-29 |
| EP2713987B1 (de) | 2015-07-08 |
| JP2014515280A (ja) | 2014-06-30 |
| DK2713987T3 (en) | 2015-09-28 |
| AU2012260832B2 (en) | 2015-10-29 |
| US20120302962A1 (en) | 2012-11-29 |
| AU2012260832A1 (en) | 2013-10-31 |
| ES2546744T3 (es) | 2015-09-28 |
| JP5995333B2 (ja) | 2016-09-21 |
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