CN219127935U - Trigeminal nerve balloon catheter with adjustable head end - Google Patents
Trigeminal nerve balloon catheter with adjustable head end Download PDFInfo
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- CN219127935U CN219127935U CN202223535906.2U CN202223535906U CN219127935U CN 219127935 U CN219127935 U CN 219127935U CN 202223535906 U CN202223535906 U CN 202223535906U CN 219127935 U CN219127935 U CN 219127935U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model discloses a trigeminal nerve balloon catheter with an adjustable head end, which belongs to the technical field of medical appliances and comprises a regulating section, a catheter section and a balloon section, wherein the regulating section is divided into a grab handle and a regulating slide button; the rear end of the grab handle is provided with a luer connector, the front end of the grab handle is provided with a conical port, the grab handle and the luer connector are spliced into a catheter inner cavity by a hollow structure; the adjusting slide button is connected with the grab handle through the clamping groove and slides along the clamping groove; the catheter section comprises a guide sleeve and a catheter guide sleeve which are sleeved on the conical port, and the catheter is communicated with the balloon section; the balloon section comprises a flexible elbow, a bending guide wire and a balloon, one end of the bending guide wire is connected with the adjusting slide button, and the other end of the bending guide wire is connected with the end head of the flexible elbow. The bending guide wire connects the regulating section with the balloon section, and a doctor can control the bending angle of the balloon by sliding the regulating slide button in the operation process, so that the balloon is suitable for various complex channels and reaches a preset position for compression treatment.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a trigeminal balloon catheter with an adjustable head end.
Background
The trigeminal neuralgia has the remarkable characteristics of recurrent and paroxysmal severe pain, and is divided into primary and secondary trigeminal neuralgia, which have different etiologies, different clinical manifestations and different treatment methods. The prevalence rate of trigeminal neuralgia is 182/10 ten thousand, and the prevalence rate of men and women is 1:1.5, about 200 ten thousand cases are seen in China every year, and the middle-aged and the elderly people are seen. In recent years, the percutaneous trigeminal ganglion balloon compression has been widely used for treating various trigeminal neuralgia due to the advantages of convenient operation, small trauma, high safety and the like.
The existing percutaneous trigeminal ganglion balloon pressing device mainly comprises the main working principles that a guide needle is inserted into the percutaneous trigeminal ganglion balloon pressing device firstly to reach the entrance of a Mahalanobis balloon through an oval hole, a channel is manufactured, then the guide needle is pulled out, a balloon catheter is inserted, the balloon catheter is filled with contrast agent or air under lateral X-ray perspective, so that the balloon at the tail end of the balloon catheter forms a pear shape or dumbbell shape to press postganglion fibers, the catheter and the puncture needle are pulled out after the maintenance time is 60-180 seconds, the trigeminal ganglion is fully pressed, then the balloon is emptied, and the catheter is removed.
The main defects of the existing percutaneous trigeminal ganglion saccule pressing devices in the market are as follows: the operating handle end of the balloon catheter is generally of slim design, so that the balloon catheter is inconvenient to grasp and not stable enough in the operation process; the balloon is generally softer and difficult to control; the guide needle prefabricated passage is relatively complex, so that the balloon is blocked in the feeding process and is difficult to smoothly reach a preset position, and the balloon is difficult to adjust the filling state at the preset position; the balloon end is excessively contracted and deformed due to negative pressure when the balloon is emptied, and the balloon is broken due to the change of the product performance when the balloon is refilled; the sharp edges and corners of the balloon tip can stab internal tissues to a certain extent when the balloon catheter is inserted, and secondary injury to a patient can be caused by the fact that the balloon is scratched in the balloon filling process, so that the operation effect is not ideal.
Disclosure of Invention
The technical problem to be solved by the utility model is to solve the defects.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the trigeminal balloon catheter with the adjustable head end comprises a regulating section, a catheter section and a balloon section, wherein the regulating section is divided into a grab handle and a regulating slide button; one end of the grab handle is provided with a luer connector, the other end of the grab handle is provided with a conical port, and the grab handle, the luer connector and the conical port are spliced into a catheter inner cavity in a hollow structure; the adjusting slide button is connected with the grab handle through the clamping groove and slides along the clamping groove; the catheter section comprises a guide sleeve and a catheter, the guide sleeve is sleeved on the conical port, and the catheter is communicated with the balloon section; the balloon section comprises a flexible elbow, a bending guide wire and a balloon, one end of the bending guide wire is connected with the adjusting slide button, and the other end of the bending guide wire is connected with the end head of the flexible elbow.
The balloon segment further comprises a developing ring, and the developing ring is nested at the joint of the balloon and the catheter.
The flexible bent pipe, the bending guide wire and the balloon of the balloon section form a multi-layer nested structure.
The flexible elbow is provided with intermittent grooves in a staggered manner, and the bending adjusting guide wire stretches to drive the flexible elbow to bend along the intermittent groove slotting positions.
The grab handle and the adjusting slide button are formed by injection molding of acrylonitrile-butadiene-styrene copolymer ABS, polycarbonate PC, nylon PA, polyvinyl chloride PVC or polyethylene PE, and the surface of the grab handle is sandblasted and provided with concave-convex stripes.
The guide sleeve is made of nylon PA, polyvinyl chloride PVC, polyethylene terephthalate PET, polyethylene PE or polypropylene PP, the guide sleeve is integrally conical, and a conical port of the grab handle is connected with the catheter.
The catheter is made of medical thermoplastic polyurethane elastomer rubber TPU, polyether block polyamide Pebax and polyamide PA, and is adhered to the conical port of the grab handle.
The flexible elbow is formed by cutting a medical grade stainless steel or NITI memory alloy pipe by laser, the pipe body is provided with a break groove, and the opening directions of adjacent break grooves are opposite.
The bending guide wire is made of a medical NITI memory alloy cable or a TI cable.
A graduated scale is arranged on the grab handle of the regulating section, and a graduated scale is arranged on the catheter of the catheter section.
The utility model has the beneficial effects that:
1. the utility model relates to a trigeminal nerve balloon catheter with an adjustable head end, which comprises a regulating section, a catheter section and a balloon section. The regulating section comprises a grab handle and a regulating slide button: the grab handle and the adjusting slide button are made of acrylonitrile-butadiene-styrene copolymer ABS or polycarbonate PC or nylon PA or polyvinyl chloride PVC or polyethylene PE, and the like, or the grab handle and the adjusting slide button are made of single plastic materials or mixed plastic materials through injection molding, and the whole grab handle is provided with concave-convex stripe design, surface sand blasting, in-mold roughening and other technological treatments so as to increase friction force, thereby ensuring firm and comfortable grasping by doctors in the operation process. The rear end of the grab handle is a luer connector, the front end of the grab handle is a conical port, the grab handle is mechanically matched with the adjusting slide button, the adjusting slide button can axially slide in the grab handle clamping groove, and the bottom of the adjusting slide button is provided with a fastening clamping groove.
2. The catheter segment comprises a guide sleeve and a catheter: the guide sleeve is made of nylon PA or polyvinyl chloride PVC or polyethylene terephthalate PET or polyethylene PE or polypropylene PP, has certain toughness, and connects the handle of the regulating section with the guide pipe; the catheter is made of medical thermoplastic polyurethane elastomer rubber TPU or polyether block polyamide Pebax or polyamide PA and other materials, the whole guide sleeve is conical and is clamped with the conical port of the grab handle of the regulating section, the catheter has higher toughness, and the rear end of the catheter is bonded with the inner cavity of the conical port of the grab handle to form sealing connection.
3. The balloon section comprises a flexible elbow, a bending guide wire, a developing ring and a balloon: the flexible elbow is formed by cutting a medical grade stainless steel or NITI memory alloy pipe by laser, the pipe body is provided with intermittent grooves which are arranged in a sparse and dense way, the bending degree of the flexible elbow is adjusted left and right in a certain plane, one end of the flexible elbow is embedded into the front end of the catheter section, sealing connection is formed by bonding, and the rest part is completely arranged in the saccule; the bending guide wire is made of a medical NITI memory alloy cable or TI cable, is soft and high in tensile strength, is not easy to break, one end of the bending guide wire is fixedly connected with the end head of the flexible elbow in the balloon through crimping or welding, the other end of the bending guide wire is fixedly connected with the regulating section regulating slide Niu Kacao, and the bending direction and the angle of the balloon can be controlled by the forward and backward sliding of the regulating slide button; the developing ring is made of medical grade stainless steel or platinum iridium alloy and other metals, is nested at the balloon and the front end of the catheter section, can form marking points after developing under CT, and is convenient for doctors to observe the balloon position; the balloon is made of medical latex, rubber, thermoplastic polyurethane elastomer rubber TPU, polyamide PA and other materials, and can be a compliant balloon, a non-compliant balloon and a semi-compliant balloon, the shape of the balloon after being expanded can be round, rugby-shaped or cylindrical, and the rear end of the balloon is bonded and connected with the front end of the catheter section.
4. The bending guide wire connects the regulating section with the balloon section, and a doctor can control the bending angle of the balloon by sliding the regulating slide button in the operation process, so that the balloon is suitable for various complex channels and reaches a preset position for compression treatment; the flexible elbow has rigidity, so that the problem that the balloon is softer and difficult to control is solved to a certain extent; the grab handle is designed to increase friction force for stripes, and can provide stable grasp for doctors in the operation process.
Drawings
FIG. 1 is a schematic diagram of the general assembly of an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the position of regulatory segment A-A in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic view showing the cross-sectional structure of a regulatory segment A-A according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a catheter segment B-B in section according to an embodiment of the present utility model;
FIG. 5 is a schematic view showing a sectional structure of a catheter segment B-B according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a balloon segment inflation state according to an embodiment of the present utility model;
FIG. 7 is an enlarged schematic view of a balloon segment of the present utility model in partial inflation;
FIG. 8 is a schematic illustration of bending a flexible elbow of the present utility model;
FIG. 9 is a schematic diagram of the assembly of an additional scale according to an embodiment of the present utility model;
figure number and name:
1 regulation section, 1-1 grab handle, 1-2 regulation slide button, 1-3 luer connector and 1-4 conical port; a 2-conduit section, a 2-1 guide sleeve, a 2-2 conduit; the device comprises a balloon segment, a flexible bend tube 3-1, a bending guide wire 3-2, a developing ring 3-3 and a balloon 3-4.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The trigeminal balloon catheter with the adjustable head end comprises a regulating section 1, a catheter section 2 and a balloon section 3, wherein the regulating section 1 is divided into a grab handle 1-1 and a regulating slide button 1-2; one end of the grab handle 1-1 is provided with a luer connector 1-3, the other end of the grab handle 1-1 is provided with a conical port 1-4, and the grab handle 1-1, the luer connector 1-3 and the conical port 1-4 are spliced into a catheter inner cavity in a hollow structure; the adjusting slide button 1-2 is connected with the grab handle 1-1 through a clamping groove, and the adjusting slide button 1-2 slides along the clamping groove; the catheter section 2 comprises a guide sleeve 2-1 and a catheter 2-2, the guide sleeve 2-1 is sleeved on the conical port 1-4, and the catheter 2-2 is communicated with the balloon section 3; the balloon section 3 comprises a flexible elbow 3-1, a bending guide wire 3-2 and a balloon 3-4, one end of the bending guide wire 3-2 is connected with the adjusting slide button 1-2, and the other end of the bending guide wire 3-2 is connected with the end head of the flexible elbow 3-1.
The balloon segment 3 further comprises a developing ring 3-3, and the developing ring 3-3 is nested at the joint of the balloon 3-4 and the catheter 2-2. The flexible bent pipe 3-1, the bending guide wire 3-2 and the balloon 3-4 of the balloon section 3 form a multi-layer nested structure. The flexible bent pipe 3-1 is provided with intermittent grooves in a staggered manner, and the bending adjusting guide wire 3-2 stretches and contracts to drive the flexible bent pipe 3-1 to bend along the intermittent groove seam.
The grab handle 1-1 and the adjusting slide button 1-2 are formed by injection molding of acrylonitrile-butadiene-styrene copolymer ABS, polycarbonate PC, nylon PA, polyvinyl chloride PVC or polyethylene PE, and the surface of the grab handle 1-1 is sandblasted and provided with concave-convex stripes. The guide sleeve 2-1 is made of nylon PA, polyvinyl chloride PVC, polyethylene terephthalate PET, polyethylene PE or polypropylene PP, the guide sleeve 2-1 is integrally conical, and the conical port 1-4 of the grab handle 1-1 is connected with the guide tube 2-1. The catheter 2-2 is made of medical thermoplastic polyurethane elastomer rubber TPU, polyether block polyamide Pebax and polyamide PA, and the catheter 2-2 is bonded with the conical port 1-4 of the grab handle 1-1. The flexible bent pipe 3-1 is formed by cutting a medical grade stainless steel or NITI memory alloy pipe by laser, the pipe body is provided with a break groove, and the opening directions of adjacent break grooves are opposite. The bending guide wire 3-2 is made of a medical grade NITI memory alloy cable or TI cable.
A graduation scale is arranged on the grab handle 1-1 of the regulating section 1 and is used for marking the front-back sliding distance of the regulating slide button 1-2; the guide tube 2-2 of the guide tube section 2 is provided with a graduated scale for marking the feeding length of the guide tube 2-2; the depth of the catheter 2-2 entering the body tissue during the operation and the bending direction of the balloon 3-4 are controlled more precisely.
Example 1
As shown in fig. 1-4:
the grab handle 1-1 is made of single plastic material or mixed plastic material through injection molding, and the grab handle 1-1 is integrally provided with concave-convex stripe design, surface sand blasting, in-mold roughening and other technological treatments so as to increase friction force, and the grabbing stability and comfort of a doctor are ensured in the operation process. The rear end of the grab handle 1-1 is provided with a luer connector 1-3, and the front end is provided with a conical port 1-4. The adjusting slide button 1-2 is mechanically matched with the grab handle 1-1, the adjusting slide button 1-2 can axially slide in the clamping groove of the grab handle 1-1, and a fastening clamping groove is formed in the bottom of the adjusting slide button. The guide sleeve 2-1 is integrally conical, and a conical port 1-4 at the front end of the grab handle 1-1 of the regulating section 1 is connected with the guide tube 2-1. The guide tube 2-1 has stronger toughness, and the rear end of the guide tube 2-1 is bonded with the inner cavity of the conical port 1-4 of the grab handle 1-1 of the regulating section 1 to form sealing connection.
The flexible elbow 3-1 is formed by cutting a medical grade stainless steel or NITI memory alloy pipe through laser, the pipe body is provided with intermittent grooves which are arranged in a sparse and dense mode, the bending degree of the flexible elbow 3-1 is adjusted left and right in a certain plane, one end of the flexible elbow 3-1 is embedded into the front end of the catheter 2-2 of the catheter section 2, sealing connection is formed through bonding, and the rest part is completely arranged in the balloon 3-4.
The bending guide wire 3-2 is made of a medical NITI memory alloy cable or TI cable, the bending guide wire is soft and high in tensile strength and is not easy to break, one end of the bending guide wire 3-2 is fixedly connected with the end head of the flexible elbow 3-2 in the balloon 3-4 through crimping or welding, the other end of the bending guide wire is fixedly connected with the clamping groove of the adjusting slide button 1-2 of the adjusting section 1, and the adjusting slide button 1-2 of the adjusting section 1 slides forwards and backwards to control the bending direction and the angle of the balloon 3-4; the developing ring 3-3 is made of medical grade stainless steel or platinum iridium alloy and other metals, and can form marking points through developing under CT, so that doctors can observe the position of the balloon 3-4 conveniently. The balloon 3-4 is made of medical latex or rubber or thermoplastic polyurethane elastomer rubber TPU, polyamide PA and other materials, has compliance or non-compliance or semi-compliance, the shape of the balloon 3-4 after being expanded can be round, rugby-shaped or cylindrical, and the rear end of the balloon 3-4 is in adhesive sealing connection with the front end of the catheter 2-2 of the catheter section 2.
As shown in fig. 5 to 7, the device comprises the following steps when in use:
step S1: taking a patient in a supine position after full anesthesia intubation, preparing an injector to absorb required developer or medicament, and adopting a trigeminal nerve half moon puncture front approach method, wherein the needle insertion point of a guide needle is selected to be 2-3 cm outside the affected side mouth angle, and the other 2 reference points are respectively 1 cm below the pupils on the same side and 3 cm in front of the zygomatic arch horizontal external auditory canal;
step S2: under the side X-ray perspective, referring to the puncture of bone structures such as temporomandibular joint, temporomandibular rock part, slope and the like, firstly inserting a guide needle required by an operation to reach the entrance of the Mahalanobis sac through the foramen ovale, manufacturing a channel, and then extracting the guide needle;
step S3: slowly inserting the balloon segment 3 and the catheter segment 2, and adjusting the flexible elbow 3-2 of the balloon segment 3 in real time by observing and sensing the sliding of the adjusting and controlling segment 1 and the adjusting and sliding button 1-2 so that the balloon 3-4 of the balloon segment 3 smoothly enters a prefabricated channel to reach a preset position;
step S4: connecting an injector with developing solution to the luer joint 1-3 of the regulating section 1, holding the handle 1-1 of the regulating section 1 by one hand, slowly injecting the injector with developing solution into the balloon 3-4 of the balloon section 3 by one hand, and observing the filling state and pressure of the balloon 3-4 of the balloon section 3 to flexibly match the requirements of different tissue structures when the trigeminal semilunar node is pressed;
step S5: and evacuating the contrast medium in the balloon 3-4 of the balloon segment 3 after pressing the semilunar node for 3-7 min, withdrawing the trigeminal balloon catheter, and then performing temporary compression hemostasis on the operation point.
The foregoing has outlined the more detailed description of the embodiments of the present utility model, and the detailed description of the embodiments of the present utility model is provided herein with the understanding that the present principles and implementations are applicable to embodiments of the present utility model
The foregoing description of the embodiments is provided to facilitate the understanding of the principles of the embodiments of the utility model.
Claims (10)
1. The trigeminal nerve balloon catheter with the adjustable head end is characterized by comprising a regulating section (1), a catheter section (2) and a balloon section (3), wherein the regulating section (1) is divided into a grab handle (1-1) and an adjusting slide button (1-2); one end of the grab handle (1-1) is provided with a luer connector (1-3), the other end of the grab handle (1-1) is provided with a conical port (1-4), and the grab handle (1-1), the luer connector (1-3) and the conical port (1-4) are spliced into a catheter inner cavity in a hollow structure; the adjusting slide button (1-2) is connected with the grab handle (1-1) through a clamping groove, and the adjusting slide button (1-2) slides along the clamping groove; the catheter section (2) comprises a guide sleeve (2-1) and a catheter (2-2), the guide sleeve (2-1) is sleeved on the conical port (1-4), and the catheter (2-2) is communicated with the balloon section (3); the balloon section (3) comprises a flexible elbow (3-1), a bending-adjusting guide wire (3-2) and a balloon (3-4), one end of the bending-adjusting guide wire (3-2) is connected with the adjusting slide button (1-2), and the other end of the bending-adjusting guide wire (3-2) is connected with the end head of the flexible elbow (3-1).
2. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the balloon section (3) further comprises a developing ring (3-3), and the developing ring (3-3) is nested at the joint of the balloon (3-4) and the catheter (2-2).
3. The head end adjustable bending trigeminal balloon catheter according to claim 1, wherein the flexible bend (3-1), bending guide wire (3-2) and balloon (3-4) of the balloon segment (3) form a multi-layer nested structure.
4. The trigeminal balloon catheter with the adjustable head end according to claim 1 is characterized in that intermittent grooves are formed in the flexible bent tube (3-1) in a staggered mode, and the bending guide wire (3-2) stretches and contracts to drive the flexible bent tube (3-1) to bend along the intermittent groove seam.
5. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the grab handle (1-1) and the adjusting slide button (1-2) are formed by injection molding of acrylonitrile-butadiene-styrene copolymer ABS, polycarbonate PC, nylon PA, polyvinyl chloride PVC or polyethylene PE, and the surface of the grab handle (1-1) is sandblasted and provided with concave-convex stripes.
6. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the guide sleeve (2-1) is made of nylon PA, polyvinyl chloride PVC, polyethylene terephthalate PET, polyethylene PE or polypropylene PP, the guide sleeve (2-1) is integrally tapered, and the tapered port (1-4) of the grab handle (1-1) is connected with the catheter (2-2).
7. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the catheter (2-2) is made of medical thermoplastic polyurethane elastomer rubber TPU, polyether block polyamide Pebax and polyamide PA, and the catheter (2-2) is adhered to the conical port (1-4) of the grab handle (1-1).
8. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the flexible bent tube (3-1) is formed by cutting a medical grade stainless steel or NITI memory alloy tube by laser, the tube body is provided with break grooves, and the opening directions of adjacent break grooves are opposite.
9. A head end adjustable bend trigeminal balloon catheter, according to claim 1, characterized in that the bend adjusting guide wire (3-2) is made of medical grade NITI memory alloy cable or TI cable.
10. The head end adjustable bent trigeminal balloon catheter according to claim 1, wherein the handle (1-1) of the regulating section (1) is provided with a graduated scale, and the catheter (2-2) of the catheter section (2) is provided with a graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223535906.2U CN219127935U (en) | 2022-12-29 | 2022-12-29 | Trigeminal nerve balloon catheter with adjustable head end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223535906.2U CN219127935U (en) | 2022-12-29 | 2022-12-29 | Trigeminal nerve balloon catheter with adjustable head end |
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| CN219127935U true CN219127935U (en) | 2023-06-06 |
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| CN202223535906.2U Active CN219127935U (en) | 2022-12-29 | 2022-12-29 | Trigeminal nerve balloon catheter with adjustable head end |
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| CN (1) | CN219127935U (en) |
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