CN113995950B - Iodine particle stomach tube for radiotherapy of esophageal tumor - Google Patents
Iodine particle stomach tube for radiotherapy of esophageal tumor Download PDFInfo
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- CN113995950B CN113995950B CN202111477612.6A CN202111477612A CN113995950B CN 113995950 B CN113995950 B CN 113995950B CN 202111477612 A CN202111477612 A CN 202111477612A CN 113995950 B CN113995950 B CN 113995950B
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- 239000002245 particle Substances 0.000 title claims abstract description 148
- 229910052740 iodine Inorganic materials 0.000 title claims abstract description 140
- 239000011630 iodine Substances 0.000 title claims abstract description 140
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 208000025402 neoplasm of esophagus Diseases 0.000 title claims abstract description 14
- 210000002784 stomach Anatomy 0.000 title claims description 33
- 238000001959 radiotherapy Methods 0.000 title claims description 13
- 230000002496 gastric effect Effects 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims abstract description 48
- 238000007906 compression Methods 0.000 claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims description 20
- 210000003238 esophagus Anatomy 0.000 claims description 19
- 206010028980 Neoplasm Diseases 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 12
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000002560 therapeutic procedure Methods 0.000 description 6
- 210000003928 nasal cavity Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 210000004051 gastric juice Anatomy 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 210000003097 mucus Anatomy 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000011281 clinical therapy Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 150000002496 iodine Chemical class 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000013160 medical therapy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1002—Intraluminal radiation therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to the technical field of medical supplies and discloses an iodine particle gastric tube for treating esophageal tumors by radiation, which comprises a gastric tube body and an external tube, wherein the gastric tube body is fixedly sleeved in the external tube, a gap is formed between the outer wall surface of the gastric tube body and the inner wall surface of the external tube, a spiral groove is formed in the outer wall surface of the external tube in a penetrating way, a folding compression bag is fixedly arranged at the outer circle of the gastric tube body through the fixed sleeve, an iodine particle box is movably sleeved at the outer circle of the gastric tube body and positioned at the lower side of the folding compression bag, a downward-inclined guiding-out inclined tube is fixedly arranged on the side wall surface of the iodine particle box, and the structure of the guiding-out inclined tube is matched with the structure of the spiral groove.
Description
Technical Field
The invention relates to the technical field of medical supplies, in particular to an iodine particle gastric tube for radiotherapy of esophageal tumors.
Background
The radioactive particle implantation is one of important methods for tumor interventional therapy, the interventional therapy is a minimally invasive therapy performed by utilizing a modern high-tech technology, a special catheter or guide wire and other precise instruments are introduced into a human body under the guidance of medical imaging equipment, diagnosis and local therapy are performed on in-vivo lesions, a digital imaging technology is applied in the interventional therapy, the field of view of doctors is enlarged, the hands of the doctors are prolonged by the catheter or the guide wire, a plurality of diseases which cannot be treated in the past or have to be treated by an operation or have poor curative effect in the medical therapy can be treated, and at present, the interventional therapy becomes one of the main means of clinical therapy of modern hospitals and one of the most promising clinical medical specialities in the 21 st century.
The iodine particles have the characteristics of good tumor treatment effect and small side effect on treating esophageal tumors, the esophageal tumors are treated by utilizing the implantation of the iodine particles, however, the esophagus is different from other parts of a human body, the structure of the esophagus is slender and is directly connected with the stomach, when the iodine particles are implanted in a traditional way, the iodine particles cannot be implanted in the appointed position in the esophagus accurately, and the iodine particles are difficult to be uniformly distributed in the esophagus of a patient, so that the treatment effect of the iodine particles is affected.
Disclosure of Invention
The invention mainly solves the technical problems existing in the prior art and provides the iodine particle gastric tube for radiotherapy of esophageal tumors.
In order to achieve the above purpose, the technical scheme is adopted by the invention, the iodine particle gastric tube for radiotherapy of esophageal tumors comprises a gastric tube body and an external tube, wherein the gastric tube body is fixedly sleeved inside the external tube, a gap is formed between the outer wall surface of the gastric tube body and the inner wall surface of the external tube, a spiral groove in a spiral shape is formed in the outer wall surface of the external tube in a penetrating manner, a folding compression bag is fixedly arranged at the outer circle of the gastric tube body through a fixing sleeve, an iodine particle box is movably sleeved at the outer circle of the gastric tube body and positioned at the lower side of the folding compression bag, an export inclined tube in a downward inclined shape is fixedly arranged on the side wall surface of the iodine particle box, the structure of the export inclined tube is matched with the structure of the spiral groove, one end, far away from the iodine particle box, of the export inclined tube extends to the outside of the external tube through the spiral groove, an inner cavity is vertically and downwards formed in the top surface of the iodine particle box, a fixing column is fixedly arranged inside the inner cavity, the fixing column is coaxially arranged with the inner cavity, a rotating column is rotatably arranged on the fixing column, and an iodine particle winding column is rotatably arranged on the fixing column.
Preferably, the upper end of the external tube is hollow, the lower end of the external tube is closed, and the lower end of the stomach tube body penetrates through the external tube and extends to the lower part of the external tube
Preferably, the top surface of the folding compression bag is fixedly provided with a connecting pipe communicated with the inside of the folding compression bag, and the connecting pipe is connected with an external miniature air pump.
Preferably, the top surface of the iodine particle box is detachably and fixedly provided with a box cover, the top surface of the iodine particle box is vertically and downwards provided with an annular clamping groove, the bottom surface of the box cover is fixedly provided with an annular clamping block with a structure matched with the annular clamping groove, and the bottom surface of the box cover is provided with a circular groove with a structure matched with the fixed column structure.
Preferably, the iodine particle chain comprises iodine particles, a gravity shell and connecting wires, wherein the iodine particles are fixedly sleeved on the gravity shell, and a plurality of groups of iodine particles are fixedly connected through the connecting wires to form the iodine particle chain.
Preferably, the top surface of the iodine particle box is provided with a guide groove with an arc structure, the upper end of the guide groove is close to the built-in cavity, the lower end of the guide groove is close to the guide inclined tube, and the bottom surface of the guide groove is gradually inclined downwards from top to bottom.
Preferably, one end of the guiding-out inclined tube near the iodine particle box penetrates through the side wall surface of the iodine particle box to be communicated with the guiding-out groove, and the side wall surface of the built-in cavity is provided with a communication port communicated with the inside of the guiding-out groove
Preferably, one end of the iodine particle chain wound on the rotating column is fixed on the rotating column, the free end of the iodine particle chain extends to the inside of the guiding-out groove through the communication opening, and the iodine particle chain extending to the inside of the guiding-out groove through the communication opening slides down along the guiding-out groove and extends out through the guiding-out inclined tube under the gravity action of the gravity shell arranged on the iodine particle.
Preferably, a gelatin material port diaphragm is laid in parallel in the outer port of the guide-out inclined tube.
Advantageous effects
The invention provides an iodine particle stomach tube for radiotherapy of esophageal tumor. The beneficial effects are as follows:
(1) When the iodine particle gastric tube for radiotherapy of esophageal tumor is used, firstly, the spiral groove formed on the external tube is smeared with filling lubricant, the lubrication degree of the gastric tube body and the external tube is increased, the external tube is driven by the gastric tube body to be inserted into the throat of a patient from the nasal cavity of the patient and then enter the esophagus until the stomach, the external tube is fixedly connected with the gastric tube body, the liquid accumulation in the stomach of the patient is pumped out by the gastric tube body through the external tube, the connecting tube is connected with the external micro air pump, the gas is led into the folding compression bag through the connecting tube by the external micro air pump, the originally folded compression bag in a folded shrinkage shape is filled with the gas to expand downwards, the iodine particle box below the folding compression bag is extruded by the downward extension of the folding compression bag, the iodine particle box is pushed to slide downwards on the gastric tube body through the folding compression bag, when the iodine particle box slides downwards along the gastric tube body, the guiding-out inclined tube is driven to slide downwards along the spiral groove, so that the iodine particle box slides downwards under the pushing action of the folding compression bag while rotating, one end of the iodine particle chain wound on the rotating column is fixed on the rotating column, the free end of the iodine particle chain extends to the inside of the guiding-out groove through the communication port, the iodine particle chain extending to the inside of the guiding-out groove through the communication port slides downwards along the guiding-out groove and passes through the inside of the guiding-out inclined tube under the gravity action of the gravity shell arranged on the iodine particle, due to the fact that the port diaphragm is paved at the outer port of the guiding-out inclined tube, iodine particles in the guiding-out inclined tube slide onto the wall of the esophagus through the guiding-out inclined tube after contacting with the esophagus mucus, the iodine particle chain slides downwards while rotating through the iodine particle box, the iodine particle chain is spirally distributed on the inner wall of the patient passage, the effect of evenly arranging iodine particle chains in the esophagus is achieved, and the efficiency of destroying cancer cells is improved.
(2) When the external miniature air pump fills air into the folding compression bag through the connecting pipe, the folding compression bag expands downwards along the direction of the stomach tube body, the folding compression bag extends downwards to extrude the iodine particle box below the folding compression bag, the iodine particle box is pushed to slide downwards on the stomach tube body through the folding compression bag, the air filling amount in the folding compression bag is controlled, the position of the iodine particle box on the stomach tube body is controlled freely, the effect of accurately controlling the position of the iodine particle box is achieved, and the effect of accurately treating focus is achieved.
(3) The upper end of the external tube is hollow, the lower end of the external tube is closed, the lower end of the gastric tube body penetrates through the external tube and extends to the lower side of the external tube, a gap is formed between the outer wall surface of the gastric tube body and the inner wall surface of the external tube, the external tube is driven by the gastric tube body to be inserted into the throat of a patient from the nasal cavity until reaching the stomach, the gastric tube body is fixedly connected with the gastric tube body through an external straw, the effusion in the stomach of the patient is extracted through the gastric tube body, through the arrangement, gastric juice in the stomach of the patient flows in the gastric tube body, gastric juice cannot enter the external tube, an iodine particle chain led out from the lead-out inclined tube cannot be influenced by gastric juice, and a better treatment environment is improved for the iodine particle chain.
(4) This iodine particle stomach tube of radiotherapy esophagus tumour, because iodine particle is fixed cup joints on the gravity shell, constitutes the iodine particle chain through connecting wire fixed connection between the multiunit iodine particle, after the iodine particle plays therapeutical effect in the esophagus, through taking out the stomach tube body, make the stomach tube body can drive the iodine particle chain and break away from the person together, reached the effect of timely taking out the iodine particle chain, avoid the iodine particle chain to carry over in the shadow of human body and play the side effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing the position structure of the folding compression bag and the iodine particle box according to the present invention;
FIG. 3 is a schematic diagram showing the internal structure of the iodine particle cassette of the present invention;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 6 is a schematic view of the bottom structure of the lid of the present invention;
FIG. 7 is a schematic diagram showing the three-dimensional structure of the iodine particle chain of the present invention.
Legend description:
1. a gastric tube body; 2. an external cylinder; 3. a spiral groove; 4. a fixed sleeve; 5. folding the compression bag; 6. a connecting pipe; 7. an iodine particle cassette; 8. a guiding-out inclined tube; 9. a box cover; 10. an annular clamping groove; 11. an annular clamping block; 12. a circular groove; 13. a built-in cavity; 14. fixing the column; 15. rotating the column; 16. iodine particles; 17. a gravity shell; 18. a connecting wire; 19. a lead-out groove; 20. a communication port; 21. a port septum.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: an iodine particle gastric tube for radiotherapy of esophageal tumor, as shown in fig. 1-7, comprises a gastric tube body 1 and an external tube 2, wherein the gastric tube body 1 is fixedly sleeved inside the external tube 2, the upper end of the external tube 2 is hollow, the lower end of the external tube 2 is closed, the lower end of the gastric tube body 1 penetrates through the external tube 2 to extend to the lower part of the external tube 2, a gap is formed between the outer wall surface of the gastric tube body 1 and the inner wall surface of the external tube 2, when in use, the external tube 2 is driven by the gastric tube body 1 to be inserted into the throat of a patient from the nasal cavity of the patient to enter the esophagus until reaching the stomach, the gastric tube body 1 is fixedly connected with the gastric tube through the external straw, the effusion in the stomach of the patient is extracted through the gastric tube body 1 through the external straw, a spiral groove 3 is formed on the outer wall surface of the external tube 2 in a penetrating way, when the gastric tube body 1 drives the external tube 2 to be inserted into the stomach of the patient, the spiral groove 3 arranged on the external tube 2 is smeared with filling lubricant, the lubrication degree of the gastric tube body 1 and the external tube 2 is increased, the folding compression bag 5 is fixedly arranged at the outer circle of the gastric tube body 1 through the fixing sleeve 4, the connecting pipe 6 communicated with the inside of the folding compression bag 5 is fixedly arranged at the top surface of the folding compression bag 5, the connecting pipe 6 is connected with an external micro air pump, gas is led into the folding compression bag 5 through the external micro air pump by the connecting pipe 6, the originally folded and contracted folding compression bag 5 is filled with gas to expand downwards, the iodine particle box 7 is movably sleeved at the outer circle of the gastric tube body 1 at the lower side of the folding compression bag 5, the guiding-out inclined pipe 8 which is in a downward inclined shape is fixedly arranged on the side wall surface of the iodine particle box 7, the structure of the guiding-out inclined pipe 8 is matched with the structure of the spiral groove 3, one end of the guiding-out inclined tube 8 far away from the iodine particle box 7 extends to the outside of the external tube 2 through the spiral groove 3, when the external miniature air pump fills air into the folding compression bag 5 through the connecting tube 6, the folding compression bag 5 expands downwards along the direction of the stomach tube body 1, the folding compression bag 5 extends downwards to squeeze the iodine particle box 7 positioned below the folding compression bag 5, the iodine particle box 7 is pushed to slide downwards on the stomach tube body 1 through the folding compression bag 5, the guiding-out inclined tube 8 is driven to slide downwards along the spiral groove 3 when the iodine particle box 7 slides downwards along the stomach tube body 1, the iodine particle box 7 slides downwards while rotating under the pushing action of the folding compression bag 5, the top surface of the iodine particle box 7 is detachably and fixedly provided with a box cover 9, the top surface of the iodine particle box 7 is vertically and downwards provided with an annular clamping groove 10, the bottom surface of the box cover 9 is fixedly provided with an annular clamping block 11 with a structure matched with the annular clamping groove 10, when the box cover 9 is installed, the box cover 9 is pressed towards the direction of the iodine particle box 7, the annular clamping block 11 on the box cover 9 is clamped into the annular clamping groove 10, so that the box cover 9 is fixedly installed on the top surface of the iodine particle box 7, the top surface of the iodine particle box 7 is vertically and downwards provided with the built-in cavity 13, the inside of the built-in cavity 13 is fixedly provided with the fixed column 14, the fixed column 14 and the built-in cavity 13 are coaxially arranged, the fixed column 14 is rotatably provided with the rotary column 15, the rotary column 15 is wound with the iodine particle chain, the iodine particle chain comprises iodine particles 16, a gravity shell 17 and connecting wires 18, the iodine particles 16 are fixedly sleeved on the gravity shell 17, a plurality of groups of iodine particles 16 are fixedly connected through the connecting wires 18 to form the iodine particle chain, the bottom surface of the box cover 9 is provided with the circular groove 12 with the structure matched with the structure of the fixed column 14, and when the box cover 9 is installed, the round groove 12 arranged on the box cover 9 corresponds to the fixed column 14, the top surface of the iodine particle box 7 is provided with a guiding groove 19 with an arc structure, the upper end of the guiding groove 19 is close to the built-in cavity 13, the lower end of the guiding groove 19 is close to the guiding inclined tube 8, the bottom surface of the guiding groove 19 is gradually inclined downwards from top to bottom, one end of the guiding inclined tube 8 close to the iodine particle box 7 penetrates through the side wall surface of the iodine particle box 7 to be communicated with the guiding groove 19, the side wall surface of the built-in cavity 13 is provided with a communicating opening 20 communicated to the inside of the guiding groove 19, one end of an iodine particle chain wound on the rotating column 15 is fixed on the rotating column 15, the free end of the iodine particle chain extends to the inside of the guiding groove 19 through the communicating opening 20, the iodine particle chain extending to the inside of the guiding groove 19 through the gravity of the gravity shell 17 arranged on the iodine particle 16 slides downwards along the guiding groove 19 and extends to the outside through the guiding inclined tube 8, the port diaphragm 21 is laid in parallel in the outer port of the guiding-out inclined tube 8, the port diaphragm 21 is made of gelatin, the outer port of the guiding-out inclined tube 8 is blocked by the port diaphragm 21, iodine particle chains are prevented from being guided out through the guiding-out inclined tube 8 in the intubation process, when the device is used, the spiral groove 3 formed in the external tube 2 is coated with filling lubricant, the lubricating degree of the gastric tube body 1 and the external tube 2 is increased, the external tube 2 is driven by the gastric tube body 1 to be inserted into the throat of a patient from the nasal cavity of the patient and then enter the esophagus until reaching the stomach, the external tube is fixedly connected with the gastric tube body 1, the accumulated liquid in the stomach of the patient is pumped out through the gastric tube body 1 by using the external tube, the connecting tube 6 is connected with the external micro air pump, and gas is guided into the folding compression bag 5 through the connecting tube 6 by using the external micro air pump, the gas is filled into the folding compression bag 5 which is originally in a folding shrinkage shape to expand and extend downwards, the folding compression bag 5 extends downwards to extrude the iodine particle box 7 positioned below the folding compression bag 5, the iodine particle box 7 is pushed by the folding compression bag 5 to slide downwards on the gastric tube body 1, when the iodine particle box 7 slides downwards along the gastric tube body 1, the export chute 8 is driven to slide downwards along the spiral groove 3, the iodine particle box 7 rotates and slides downwards under the pushing action of the folding compression bag 5, one end of the iodine particle chain wound on the rotating column 15 is fixed on the rotating column 15, the free end of the iodine particle chain extends to the inside of the export chute 19 through the communication port 20, the iodine particle chain extending to the inside of the export chute 19 through the gravity action of the gravity shell 17 arranged on the iodine particle 16, and slides downwards along the export chute 19 and passes through the inside of the export chute 8, as the port diaphragm 21 is paved at the outer port of the export chute 8, the iodine particle 16 in the export chute 8 can be slowly melted after the port diaphragm 21 contacts with the esophagus mucus, the iodine particle chain is enabled to slide downwards through the chute 8, the iodine particle chain is enabled to slide on the inner wall of the chute 8 through the chute 8, the tumor particles are enabled to be released on the inner wall of the tumor particles which are enabled to slide on the inner wall of the tumor particles which are arranged on one side of the inner wall of the tumor particle layer, which is released by the tumor particle particles which is arranged on the side of the inner wall of the tumor particle layer.
The working principle of the invention is as follows: when in use, the spiral groove 3 arranged on the external tube 2 is smeared with filling lubricant to increase the lubrication degree of the gastric tube body 1 and the external tube 2, the external tube 2 is driven by the gastric tube body 1 to be inserted into the throat of a patient from the nasal cavity of the patient and then enter the esophagus until reaching the stomach, the external tube is fixedly connected with the gastric tube body 1, the effusion in the stomach of the patient is pumped out by the gastric tube body 1 through the external tube, the connecting tube 6 is connected with the external micro air pump, the gas is led into the folding compression bag 5 through the external micro air pump, the originally folded compression bag 5 is filled with the gas to expand downwards, the folding compression bag 5 extends downwards to extrude the iodine particle box 7 positioned below the folding compression bag 5, the iodine particle box 7 is pushed to slide downwards on the gastric tube body 1 through the folding compression bag 5, when the iodine particle box 7 slides downwards along the gastric tube body 1, the guiding-out inclined tube 8 is driven to slide downwards along the spiral groove 3, so that the iodine particle box 7 slides downwards while rotating under the pushing action of the folding compression bag 5, one end of an iodine particle chain wound on the rotating column 15 is fixed on the rotating column 15, the free end of the iodine particle chain extends to the inside of the guiding-out groove 19 through the communication port 20, the iodine particle chain extending to the inside of the guiding-out groove 19 through the communication port 20 slides downwards along the guiding-out groove 19 and passes through the inside of the guiding-out inclined tube 8 under the gravity action of the gravity shell 17 arranged on the iodine particle 16, as the port diaphragm 21 is paved at the outer port of the guiding-out inclined tube 8, after the port diaphragm 21 contacts with esophagus mucus, the iodine particle 16 in the guiding-out inclined tube 8 slides down onto the esophagus wall through the guiding-out inclined tube 8 while rotating, the iodine particle chains are spirally distributed on the inner wall of the patient tract, the gamma rays released by the iodine particles 16 destroy the tumor on the esophagus, and the gamma rays released by the iodine particles 16 kill the tumor cells on the esophagus in a short distance.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an iodine particle stomach tube of radiotherapy esophagus tumour, includes stomach tube body (1) and external section of thick bamboo (2), its characterized in that: the novel iodine particle winding device is characterized in that the stomach tube body (1) is fixedly sleeved inside the external tube (2), a gap is formed between the outer wall surface of the stomach tube body (1) and the inner wall surface of the external tube (2), a spiral groove (3) which is spiral is formed in a penetrating mode on the outer wall surface of the external tube (2), a folding compression bag (5) is fixedly installed at the outer circle of the stomach tube body (1) through a fixing sleeve (4), an iodine particle box (7) is movably sleeved at the outer circle of the stomach tube body (1) and positioned at the lower side of the folding compression bag (5), an outgoing inclined tube (8) which is in a downward inclined mode is fixedly installed on the side wall surface of the iodine particle box (7), the structure of the outgoing inclined tube (8) is matched with the structure of the spiral groove (3), one end, far away from the iodine particle box (7), of the outgoing inclined tube (8) extends to the outside of the external tube (2) through the spiral groove (3), an inner cavity (13) is vertically and downwards formed in the top surface of the iodine particle box (7), an inner fixed cylinder (14) and an inner rotating cylinder (15), a rotating cylinder (15) are arranged on the inner fixed cylinder (14), and the inner cylinder (15) and the rotating cylinder (15);
the top surface of the folding compression bag (5) is fixedly provided with a connecting pipe (6) communicated with the inside of the folding compression bag (5), and the connecting pipe (6) is connected with an external miniature air pump;
the iodine particle chain comprises iodine particles (16), a gravity shell (17) and connecting wires (18), wherein the iodine particles (16) are fixedly sleeved on the gravity shell (17), and a plurality of groups of iodine particles (16) are fixedly connected through the connecting wires (18) to form the iodine particle chain;
the top surface of the iodine particle box (7) is provided with a guide groove (19) with an arc structure, the upper end of the guide groove (19) is close to the built-in cavity (13), the lower end of the guide groove (19) is close to the guide inclined tube (8), and the bottom surface of the guide groove (19) is gradually inclined downwards from top to bottom;
one end of the guiding-out inclined tube (8) close to the iodine particle box (7) penetrates through the side wall surface of the iodine particle box (7) to be communicated with the guiding-out groove (19), and a communication port (20) communicated to the inside of the guiding-out groove (19) is formed in the side wall surface of the built-in cavity (13);
one end of an iodine particle chain wound on the rotating column (15) is fixed on the rotating column (15), the free end of the iodine particle chain extends to the inside of the guiding-out groove (19) through the communication port (20), and the iodine particle chain extending to the inside of the guiding-out groove (19) through the communication port (20) slides downwards along the guiding-out groove (19) and extends to the outside through the guiding-out inclined tube (8) under the gravity action of the gravity shell (17) arranged on the iodine particle (16).
2. An iodine particle gastric tube for the radiation therapy of esophageal tumors as claimed in claim 1, wherein: the upper end of the external tube (2) is hollow, the lower end of the external tube (2) is closed, and the lower end of the stomach tube body (1) penetrates through the external tube (2) and extends to the lower side of the external tube (2).
3. An iodine particle gastric tube for the radiation therapy of esophageal tumors as claimed in claim 1, wherein: the top surface of iodine particle box (7) can be dismantled fixed mounting and have lid (9), annular draw-in groove (10) have been seted up vertically downwards to the top surface of iodine particle box (7), the bottom surface fixed mounting of lid (9) has annular fixture block (11) of structure and annular draw-in groove (10) looks adaptation, circular groove (12) of structure and fixed column (14) structure looks adaptation have been seted up to the bottom surface of lid (9).
4. An iodine particle gastric tube for the radiation therapy of esophageal tumors as claimed in claim 1, wherein: and a port diaphragm (21) made of gelatin material is laid in parallel in the outer port of the guide-out inclined tube (8).
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| CN202111477612.6A CN113995950B (en) | 2021-12-06 | 2021-12-06 | Iodine particle stomach tube for radiotherapy of esophageal tumor |
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| CN202111477612.6A CN113995950B (en) | 2021-12-06 | 2021-12-06 | Iodine particle stomach tube for radiotherapy of esophageal tumor |
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| CN113995950A (en) | 2022-02-01 |
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