CN113730776B - Local chemotherapy device of esophagus cancer - Google Patents
Local chemotherapy device of esophagus cancer Download PDFInfo
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- CN113730776B CN113730776B CN202111113862.1A CN202111113862A CN113730776B CN 113730776 B CN113730776 B CN 113730776B CN 202111113862 A CN202111113862 A CN 202111113862A CN 113730776 B CN113730776 B CN 113730776B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/105—Oesophagus
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Abstract
The invention discloses an esophageal cancer local chemotherapy device which comprises a framework catheter and a drug inlet pipe, wherein the drug inlet pipe is arranged at the center inside the framework catheter, an air bag assembly comprises an air bag, a circular baffle, a compression spring, a cavity and air bag inner cylinders, the air bag inner cylinders are respectively positioned at the upper side and the lower side of the outer wall of the framework catheter, the circular baffle is fixedly connected with the framework catheter, and the two sides of the compression spring are respectively fixedly connected with the circular baffle and the inner wall of the air bag inner cylinder. This local chemotherapy device of esophagus cancer through the cooperation between groove piece, base, first arc wall, second arc wall, gasbag and the skeleton pipe, makes the lug that the groove piece can order about the base remove to the inside of second arc wall from first arc wall, makes the base can order about one section distance of gasbag outwards removal, prolongs the size between two gasbags, has avoided prior art can't fix a position the problem of the relative position adjustment of gasbag according to the needs of focus size.
Description
Technical Field
The invention relates to the technical field of chemotherapy, in particular to a local chemotherapy device for esophageal cancer.
Background
Esophageal cancer is a common malignant tumor of human, accounts for more than 90% of esophageal tumors, and is the 2 nd best seen in the review investigation of all malignant tumor deaths, after gastric cancer, it is estimated that about 20 million people die of esophageal cancer every year worldwide, and it is one of the most common malignant tumors with great harm to people's life and health, chemotherapy is a short term for chemical drug therapy, and is a treatment method for preventing cancer cell proliferation, infiltration and metastasis by using chemical drugs until finally killing cancer cells, and it is a systemic treatment means, and is together with surgery and radiotherapy, and is called as 3 major treatment means for cancer, although the prior art can realize local chemotherapy for esophageal cancer.
However, in the prior art, the problem that the relative position of the positioning air bag can not be adjusted according to the size of a focus in the process of carrying out local chemotherapy on esophageal cancer exists, the problem that the exposed structure of the air bag adjusting structure is too much to injure the esophagus of a patient is solved, the problem that the medicine spraying position is not accurate due to the fact that the medicine injection nozzle is not located and the center position after the air bag position is adjusted is solved, and the problem that the esophagus of the patient is easily scratched by the medicine injection nozzle when intubation is carried out.
Disclosure of Invention
The invention aims to provide a local chemotherapy device for esophageal cancer, which aims to solve the problem that the relative position of a positioning air bag cannot be adjusted according to the size of a focus in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a local chemotherapy device for esophageal cancer comprises a framework catheter and a medicine inlet pipe, wherein the medicine inlet pipe is arranged at the center of the interior of the framework catheter, and air bag assemblies are arranged on two sides of the outer wall of the framework catheter;
the air bag assembly comprises an air bag, a circular baffle, a compression spring, a cavity and an air bag inner cylinder;
it is a plurality of the gasbag inner tube is located both sides about the outer wall of skeleton pipe respectively, the gasbag inner tube all slides with the skeleton pipe and links to each other, the gasbag is all installed to the outer wall of gasbag inner tube, the cavity has all been processed to the inner wall of gasbag inner tube, the upper and lower both sides of cavity are provided with circular baffle and compression spring respectively, circular baffle links to each other with the skeleton pipe is fixed, compression spring's both sides link to each other with the inner wall of circular baffle and gasbag inner tube is fixed respectively.
Preferably, the cavity is located at the vertical center of the air bag inner cylinder, and the transverse diameter of the cavity is smaller than the diameter of the end faces of the two sides of the air bag inner cylinder.
Preferably, an adjusting component is arranged in the center of the outer wall of the framework catheter;
the adjusting assembly comprises a flexible connecting rod, a groove block, a sleeve, a supporting seat, a base, a first arc-shaped groove and a second arc-shaped groove;
it is a plurality of the inner of the gasbag inner tube of both sides about the base is installed respectively, the outer wall outside of base is all laminated fluted piece, first arc wall has all been processed to both sides around the outer wall of groove piece, the outer wall left and right sides of groove piece has all been processed the second arc wall, first arc wall is laminated mutually with the lug of base, from top to bottom the equal rigid coupling in inner of groove piece has the sleeve, telescopic outer wall outside rigid coupling has a plurality of supporting seats, from top to bottom the equal rigid coupling in inboard of supporting seat has flexible connecting rod, and is a plurality of supporting seat and flexible connecting rod are central symmetric distribution at the outer wall of skeleton pipe.
Preferably, the terminal radians of the first arc-shaped groove and the second arc-shaped groove are consistent with the inclination angles of the side sidelines.
Preferably, the outer sides of the outer walls of the supporting seats are all processed with inclined planes which form an angle of 15 degrees with the horizontal plane.
Preferably, the left side and the right side of the framework conduit are provided with air inlet components;
the air inlet assembly comprises a corrugated pipe, an air inlet branch pipe, an air outlet branch pipe, an air inlet pipe and an air outlet pipe;
the air inlet pipe and the exhaust pipe are respectively located on the left side and the right side of the interior of the framework guide pipe, the air inlet pipe and the exhaust pipe are fixedly connected with the inner wall of the framework guide pipe, the upper side and the lower side of the outer wall of the air inlet pipe are fixedly communicated with the air inlet branch pipe through a three-way pipe, the upper side and the lower side of the outer wall of the exhaust pipe are fixedly communicated with the air bag through corrugated pipes, the upper side and the lower side of the outer wall of the exhaust pipe are fixedly communicated with the exhaust branch pipe through a three-way pipe, and the upper side and the lower side of the end of the exhaust branch pipe are fixedly communicated with the air bag through corrugated pipes.
Preferably, a plurality of the corrugated pipes, the intake branch pipes and the exhaust branch pipes are distributed in a mirror symmetry manner by taking the axis and the transverse center of the framework conduit as references.
Preferably, the sizes and the structures of the inner walls of the air inlet pipe and the air outlet pipe are completely consistent, and the sizes and the structures of the inner walls of the air inlet branch pipe and the air outlet branch pipe are completely consistent.
Preferably, the outer wall central point of skeleton pipe puts and is provided with a plurality of injection shower nozzles, the inside of injection shower nozzle all is linked together through connecting pipe and advancing the pencil, and the injection shower nozzle with advance the pencil and the fixed linking to each other of skeleton pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the local chemotherapy device for the esophageal cancer, through the matching among the groove block, the base, the first arc-shaped groove, the second arc-shaped groove, the air bag and the skeleton catheter, a user can rotate the groove block to enable the groove block to drive the protruding block of the base to move from the first arc-shaped groove to the inside of the second arc-shaped groove, so that the base can drive the air bag to move outwards for a certain distance, the size between the two air bags is prolonged, and the problem that the relative position of the air bag cannot be adjusted according to the size of a focus in the prior art is solved;
through the cooperation between the air bag, the groove block, the base, the compression spring and the framework catheter, when the air bag distance is required to be shortened, a user has the rotatable groove block, so that the lug driving the base moves from the second arc-shaped groove to the inside of the first arc-shaped groove, the air bag is reset under the action of the compression spring, and the hydraulic lock spring is positioned in the inner wall of the air bag inner barrel, so that the esophagus of a patient can not be scratched, and the problem that the esophagus of the patient is injured due to too many exposed structures of an air bag adjusting structure is avoided;
through the matching among the groove block, the flexible connecting rod, the air bags, the medicine injection nozzles and the framework guide pipe, as the upper groove block and the lower groove block are connected through the flexible connecting rod, the groove block can synchronously rotate under the influence of the flexible connecting rod, so that the synchronous position adjustment of the air bags on two sides can be ensured, the medicine injection nozzles are always positioned at the central positions of the inner sides of the upper air bag and the lower air bag, and the problem of inaccurate medicine spraying position caused by the fact that the medicine injection nozzles have no place and the central positions after the air bags are adjusted is solved;
because the vertical ability of buckling of flexible connecting rod is stronger, can be along with the skeleton pipe together buckle the esophagus that gets into the patient, and flexible connecting rod and injection shower nozzle be crisscross distribution, consequently the extension length of injection shower nozzle will be less than the position of flexible connecting rod when the design, at the in-process extreme position flexible connecting rod of intubate can laminate at patient's esophagus, and the injection shower nozzle is then kept off in the inboard by flexible connecting rod, has avoided the easy problem of scratch patient's esophagus of injection shower nozzle when carrying out the intubate.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the external structure of the present invention;
FIG. 5 is an enlarged view of the structure at C in FIG. 4;
fig. 6 is a front cross-sectional view of the present invention.
In the figure: 1. the device comprises a framework catheter, 2, a balloon assembly, 201, a balloon, 202, a circular baffle, 203, a compression spring, 204, a cavity, 205, a balloon inner barrel, 3, an adjusting assembly, 301, a flexible connecting rod, 302, a groove block, 303, a sleeve, 304, a supporting seat, 305, a base, 306, a first arc-shaped groove, 307, a second arc-shaped groove, 4, an air inlet assembly, 401, a corrugated pipe, 402, an air inlet branch pipe, 403, an air outlet branch pipe, 404, an air inlet pipe, 405, an air outlet pipe, 5, a medicine injection nozzle, 6, a medicine inlet pipe, 7 and a connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a local chemotherapy device for esophageal cancer comprises a framework catheter 1 and a drug inlet pipe 6, wherein the drug inlet pipe 6 is installed in the center inside the framework catheter 1, balloon assemblies 2 are installed on two sides of the outer wall of the framework catheter 1, each balloon assembly 2 comprises a balloon 201, a circular baffle 202, a compression spring 203, a cavity 204 and a balloon inner barrel 205, a plurality of balloon inner barrels 205 are respectively located on the upper side and the lower side of the outer wall of the framework catheter 1, the balloon inner barrels 205 are connected with the framework catheter 1 in a sliding mode, the balloon inner barrels 205 can move on the outer wall of the framework catheter 1, balloons 201 are installed on the outer wall of the balloon inner barrels 205, cavities 204 are processed on the inner wall of the balloon inner barrels 205, the circular baffle 202 and the compression springs 203 are respectively arranged on the upper side and the lower side of the cavities 204, the elastic coefficient K of the compression springs 203 is 300N/m, the circular baffle 202 is fixedly connected with the framework catheter 1, two sides of the compression springs 203 are respectively fixedly connected with the inner walls of the circular baffle 202 and the balloon inner barrels 205, the cavities 204 are located in the vertical center of the balloon inner barrels 205, and the transverse diameters of the cavities 204 are smaller than the diameters of the end faces of the balloon inner barrels 205;
this local chemotherapy device of esophagus cancer, through groove block 302, a pedestal 305, first arc wall 306, second arc wall 207, cooperation between gasbag 201 and the skeleton pipe 1, user's accessible rotates groove block 302, make groove block 302 can order about the lug of base 305 and remove the inside to second arc wall 307 from first arc wall 306, make base 305 can order about gasbag 201 one section distance of outwards moving, prolong the size between two gasbags 201, the problem of the unable relative position adjustment who fixes a position the gasbag according to the needs of focus size of prior art has been avoided.
An adjusting component 3 is arranged at the center of the outer wall of the framework catheter 1, the adjusting component 3 comprises a flexible connecting rod 301, a groove block 302, a sleeve 303, a supporting seat 304, a base 305, a first arc-shaped groove 306 and a second arc-shaped groove 307, the plurality of bases 305 are respectively provided with the inner ends of the air bag inner cylinders 205 at the upper side and the lower side, the outer side of the outer wall of the base 305 is respectively jointed with the groove block 302, the front side and the rear side of the outer wall of the groove block 302 are respectively provided with the first arc-shaped groove 306, the left side and the right side of the outer wall of the groove block 302 are respectively provided with the second arc-shaped groove 307, the first arc-shaped groove 306 is jointed with a convex block of the base 305, the groove block 302 can drive the base 305 to move outwards through the plurality of arc-shaped grooves, the inner ends of the upper and lower groove blocks 302 are fixedly connected with a sleeve 303, the outer side of the outer wall of the sleeve 303 is fixedly connected with a plurality of supporting seats 304, the inner sides of the upper and lower supporting seats 304 are fixedly connected with flexible connecting rods 301, the flexible connecting rods 301 can be bent together with the framework catheter 1 to enter the esophagus of a user, but the horizontal rotation flexibility of the flexible connecting rods 301 is poor and can only be bent horizontally along with the framework catheter 1, the plurality of supporting seats 304 and the flexible connecting rods 301 are centrally and symmetrically distributed on the outer wall of the framework catheter 1, the tail end radians of the first arc-shaped groove 306 and the second arc-shaped groove 307 are consistent with the inclination angles of side edge lines, and the outer sides of the outer walls of the supporting seats 304 are all processed with inclined planes which form 15 degrees with the horizontal plane;
through the matching among the air bag 201, the groove block 302, the base 305, the compression spring 203 and the skeleton catheter 1, when the distance of the air bag 201 needs to be reduced, a user can rotate the groove block 302 to drive the protruding block of the base 305 to move from the second arc-shaped groove 307 to the inside of the first arc-shaped groove 306, so that the air bag 201 is reset under the action of the compression spring 203, and the hydraulic lock spring 203 is positioned inside the inner wall of the air bag inner barrel 205, so that the esophagus of a patient can not be scratched, and the problem that the esophagus of the patient is injured due to too many exposed structures of an air bag adjusting structure is avoided;
through the matching among the groove block 302, the flexible connecting rod 301, the air bag 201, the medicine injection nozzle 5 and the framework guide pipe 1, as the upper and lower groove blocks 302 are connected through the flexible connecting rod 301, the groove blocks 302 can synchronously rotate under the influence of the flexible connecting rod, so that the position adjustment of the air bags 201 on two sides can be synchronously carried out, the medicine injection nozzle 5 is always positioned at the central position of the inner sides of the upper and lower air bags 201, and the problem of inaccurate medicine spraying position caused by the fact that the medicine injection nozzle 5 is not positioned at the central position after the position adjustment of the air bags 201 is avoided;
because the vertical bending ability of flexible connecting rod 301 is stronger, can buckle along with skeleton pipe 1 and get into patient's esophagus, and flexible connecting rod 301 and injection shower nozzle 5 are crisscross distribution, consequently injection shower nozzle 5's the length of stretching out will be less than the position of flexible connecting rod 301 when the design, flexible connecting rod 301 can laminate at patient's esophagus at the in-process extreme position of intubate, and injection shower nozzle 5 is then kept off in the inboard by flexible connecting rod 301, avoided injection shower nozzle 5 easily to scratch the problem of patient's esophagus when carrying out the intubate.
The air inlet component 4 is installed on the left side and the right side of the framework catheter 1, the air inlet component 4 comprises a corrugated pipe 401, an air inlet branch pipe 402, an air outlet branch pipe 403, an air inlet pipe 404 and an air outlet pipe 405, the air inlet pipe 404 and the air outlet pipe 405 are located on the left side and the right side inside the framework catheter 1 respectively, the air inlet pipe 404 and the air outlet pipe 405 are fixedly connected with the inner wall of the framework catheter 1, the upper side and the lower side of the outer wall of the air inlet pipe 404 are fixedly communicated with the air inlet branch pipe 402 through a three-way pipe, air pumps are installed at the tail ends of the air inlet pipe 404 and the air outlet pipe 405, the tail ends of the air inlet branch pipe 402 and the air bag 201 on the upper side and the lower side are fixedly communicated with the air outlet branch pipe 405 through the corrugated pipe 401, the air inlet and outlet of the air bag 201 can be achieved by the air bag 401 in the moving process of the air bag 201, the plurality of corrugated pipes 401, the air inlet branch pipes 402 and the air outlet branch pipes 403 are symmetrically distributed in a mirror image mode by taking the axial line and the transverse center of the air inlet pipe 403 of the framework catheter 1 as the reference, the inner wall of the air inlet branch pipe 404 and the air outlet branch pipe 405 are completely consistent with the inner wall of the air outlet pipe 402, the outer wall of the framework catheter 402, the framework catheter 1 are connected with the chemical injection nozzle 5 at the center of the chemical injection pipe 403, the chemical injection nozzle 5 at the center of the framework catheter 1, and the chemical injection nozzle 5 are connected with the chemical injection pipe 1, and the chemical injection nozzle 5, and the chemical injection pipe 405 are connected with the chemical injection nozzle 5, and the chemical injection nozzle 5.
When the local chemotherapy device for esophageal cancer is needed to be used, firstly, a user can insert the device into the esophagus of a patient through the skeleton catheter 1, and after the device reaches a corresponding position, gas is injected into the air inlet pipe 404 through an external air pump, the gas can enter the air bag 201 through the air inlet pipe 404, the air inlet branch pipe 402 and the corrugated pipe 401, so that the air bag 201 is expanded and clamped at the corresponding position of the corresponding esophagus, then the user can administer medicine through the medicine inlet pipe 6, liquid medicine can be finally discharged from the medicine injection nozzle 5 through the medicine inlet pipe 6 and the connecting pipe 7, so that local chemotherapy can be performed on the esophagus, however, in the using process, because the size of the focus of the esophagus cannot be determined, the relative position of the two air bags 201 needs to be adjusted before intubation, in the embodiment, the user can rotate the groove block 302, so that the groove block 302 can drive the projection of the base 305 to move from the first arc-shaped groove 306 to the inside of the second arc-shaped groove 307, the base 305 can drive the air bags 201 to move outwards for a distance, the size between the two air bags 201 is prolonged, the relative position adjustment of the air bags which cannot be positioned according to the requirement of the size of a focus in the prior art is avoided, when the distance of the air bags 201 needs to be shortened, a user has the rotatable groove block 302, the lug which drives the base 305 is moved from the second arc-shaped groove 307 to the inside of the first arc-shaped groove 306, the air bags 201 are reset under the action of the compression spring 203, the esophagus of a patient cannot be scratched because the hydraulic lock spring 203 is positioned in the inner wall of the air bag inner barrel 205, the problem that the esophagus of the patient is injured due to too many exposed structures of an air bag adjusting structure is avoided, meanwhile, the upper and lower groove blocks 302 are connected through the flexible connecting rods 301, the groove blocks 302 can synchronously rotate under the influence of the hydraulic lock spring, and the position adjustment of the air bags 201 on the two sides can be synchronously performed, guaranteed that injection shower nozzle 5 is in the inboard central point of gasbag 201 from top to bottom all the time and put, avoided carrying on gasbag 201 position adjustment back injection shower nozzle 5 not have the department and the central point puts and causes the problem of spouting the medicine position inaccurate, again because flexible connecting rod 301's vertical bending capacity is stronger, can buckle along with skeleton pipe 1 and get into patient's esophagus, and flexible connecting rod 301 and injection shower nozzle 5 are crisscross distribution, consequently injection shower nozzle 5's extension length will be less than flexible connecting rod 301's position when the design, at the in-process extreme position flexible connecting rod 301 can laminate at patient's esophagus, and injection shower nozzle 5 is then kept off in the inboard by flexible connecting rod 301, avoided injection shower nozzle 5 easy scratch patient's esophagus problem when carrying out the intubate.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like are used in the orientations and positional relationships indicated in the drawings only for the convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an esophagus cancer local chemotherapy device, includes skeleton pipe (1) and advances pencil (6), the inside center of skeleton pipe (1) is installed and is advanced pencil (6), its characterized in that: air bag assemblies (2) are arranged on two sides of the outer wall of the framework catheter (1);
the air bag assembly (2) comprises an air bag (201), a circular baffle (202), a compression spring (203), a cavity (204) and an air bag inner cylinder (205);
the air bag inner cylinders (205) are respectively positioned on the upper side and the lower side of the outer wall of the framework catheter (1), the air bag inner cylinders (205) are connected with the framework catheter (1) in a sliding mode, air bags (201) are mounted on the outer wall of the air bag inner cylinders (205), cavities (204) are processed on the inner wall of the air bag inner cylinders (205), circular baffles (202) and compression springs (203) are respectively arranged on the upper side and the lower side of the cavities (204), the circular baffles (202) are fixedly connected with the framework catheter (1), and two sides of the compression springs (203) are respectively fixedly connected with the circular baffles (202) and the inner wall of the air bag inner cylinders (205);
an adjusting component (3) is arranged in the center of the outer wall of the framework catheter (1);
the adjusting assembly (3) comprises a flexible connecting rod (301), a groove block (302), a sleeve (303), a supporting seat (304), a base (305), a first arc-shaped groove (306) and a second arc-shaped groove (307);
it is a plurality of the inner of the gasbag inner tube (205) of both sides about base (305) is installed respectively, the outer wall outside of base (305) is all laminated and is fluted piece (302), groove piece (302) rotate with skeleton pipe (1) and link to each other, first arc wall (306) have all been processed to both sides around the outer wall of groove piece (302), second arc wall (307) have all been processed to the outer wall left and right sides of groove piece (302), first arc wall (306) are laminated with the lug of base (305) mutually, from top to bottom the equal rigid coupling in inner of groove piece (302) has sleeve (303), the outer wall outside rigid coupling of sleeve (303) has a plurality of supporting seats (304), from top to bottom the equal rigid coupling in inboard of supporting seat (304) has flexible connecting rod (301), and is a plurality of supporting seat (304) and flexible connecting rod (301) are central symmetry distribution at the outer wall of skeleton pipe (1).
2. The local chemotherapy device for esophageal cancer according to claim 1, wherein: the cavity (204) is positioned at the vertical center of the air bag inner cylinder (205), and the transverse diameter of the cavity (204) is smaller than the diameter of the end faces of the two sides of the air bag inner cylinder (205).
3. The local chemotherapy device for esophageal cancer according to claim 1, wherein: the radian of the tail ends of the first arc-shaped groove (306) and the second arc-shaped groove (307) is consistent with the inclination angle of the side sideline.
4. The local chemotherapy device for esophageal cancer according to claim 1, wherein: the outer sides of the outer walls of the supporting seats (304) are all processed with inclined planes which form an angle of 15 degrees with the horizontal plane.
5. The local chemotherapy device for esophageal cancer according to claim 1, wherein: the left side and the right side of the framework conduit (1) are provided with air inlet components (4);
the air inlet assembly (4) comprises a corrugated pipe (401), an air inlet branch pipe (402), an air outlet branch pipe (403), an air inlet pipe (404) and an air outlet pipe (405);
the air inlet pipe (404) and the exhaust pipe (405) are respectively located on the left side and the right side of the interior of the framework catheter (1), the air inlet pipe (404) and the exhaust pipe (405) are fixedly connected with the inner wall of the framework catheter (1), the upper side and the lower side of the outer wall of the air inlet pipe (404) are fixedly communicated with the air inlet branch pipe (402) through a three-way pipe, the tail ends of the air inlet branch pipe (402) and the air bag (201) are fixedly communicated through a corrugated pipe (401), the upper side and the lower side of the outer wall of the exhaust pipe (405) are fixedly communicated with the exhaust branch pipe (403) through a three-way pipe, and the tail ends of the exhaust branch pipe (403) and the air bag (201) are fixedly communicated through a corrugated pipe (401).
6. The local chemotherapy device for esophageal cancer according to claim 5, wherein: the corrugated pipes (401), the air inlet branch pipes (402) and the air outlet branch pipes (403) are all distributed in a mirror symmetry mode by taking the axial line and the transverse center of the framework guide pipe (1) as a reference.
7. The local chemotherapy device for esophageal cancer according to claim 5, wherein: the sizes and the structures of the inner walls of the air inlet pipe (404) and the air outlet pipe (405) are completely consistent, and the sizes and the structures of the inner walls of the air inlet branch pipe (402) and the air outlet branch pipe (403) are completely consistent.
8. The local chemotherapy device for esophageal cancer according to claim 1, wherein: the outer wall central point of skeleton pipe (1) puts and is provided with a plurality of injection shower nozzles (5), the inside of injection shower nozzle (5) all is linked together through connecting pipe (7) and advancing pencil (6), and injection shower nozzle (5) with advance pencil (6) and skeleton pipe (1) fixed linking to each other.
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| CN202111113862.1A CN113730776B (en) | 2021-09-23 | 2021-09-23 | Local chemotherapy device of esophagus cancer |
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| CN202111113862.1A CN113730776B (en) | 2021-09-23 | 2021-09-23 | Local chemotherapy device of esophagus cancer |
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| CN2834605Y (en) * | 2005-11-25 | 2006-11-08 | 范才 | Local chemotherpay tube for esophagus cancer |
| CN201295457Y (en) * | 2008-11-14 | 2009-08-26 | 孙积峰 | Esophagus cancer local chemotherapy device with adjustable air cell spacing |
| US20170028174A1 (en) * | 2010-09-23 | 2017-02-02 | Best Medical International, Inc. | Multi-purpose balloon catheter for intra cavity radiation delivery |
| CN201978327U (en) * | 2011-01-18 | 2011-09-21 | 杨金红 | Local chemotherapy device for esophageal cancer |
| EP2548606A1 (en) * | 2011-07-20 | 2013-01-23 | Florian Netzer | Catheter for creating a spatially separated vessel section |
| US20140277319A1 (en) * | 2011-11-05 | 2014-09-18 | Peter Osypka Stiftung | Balloon catheter |
| CN202437949U (en) * | 2012-02-10 | 2012-09-19 | 任磊 | Esophagus local chemotherapy catheter |
| CN107261305A (en) * | 2017-06-23 | 2017-10-20 | 河南省众妙医学科技有限公司 | A kind of double sacculus tube chamber blocking treatment devices of telescopic automatic conversion decoction |
| CN212880604U (en) * | 2020-03-31 | 2021-04-06 | 中国医学科学院北京协和医院 | Active air sac nasal cavity and esophagus source application catheter |
| CN111658969A (en) * | 2020-06-16 | 2020-09-15 | 郑州大学第一附属医院 | Balloon catheter with balloons with two asymmetric ends |
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