CN211884967U - Balloon stomach tube for esophageal cancer intracavity radiation therapy - Google Patents
Balloon stomach tube for esophageal cancer intracavity radiation therapy Download PDFInfo
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- CN211884967U CN211884967U CN202020082559.4U CN202020082559U CN211884967U CN 211884967 U CN211884967 U CN 211884967U CN 202020082559 U CN202020082559 U CN 202020082559U CN 211884967 U CN211884967 U CN 211884967U
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Abstract
The utility model discloses a balloon stomach tube for esophageal cancer intracavity radiation therapy, which comprises a stomach tube body, a balloon and a particle bin; the stomach tube body comprises a first tube body and a second tube body, the first tube body is sleeved inside the second tube body, a nutrient substance channel is formed inside the first tube body, a balloon airway is formed between the outer wall of the first tube body and the inner wall of the second tube body, and the first tube body and the second tube body are respectively provided with a nutrient substance channel valve and an airway valve; the balloon is arranged at the intracavity end of the stomach tube body and is communicated with the balloon airway; the number of the particle bins is at least 1, and the particle bins are movably arranged in the balloon air passage; the particle bin is of a tubular structure, and an iodine 125 particle seed source is sealed inside the particle bin. The scheme is suitable for the close-range continuous internal radiation treatment in the cavity of an esophageal cancer patient, and has the advantages of no wound, high safety and low cost.
Description
Technical Field
The utility model relates to a balloon stomach tube for esophageal cancer intracavity radiation therapy.
Background
The esophagus is a hollow longitudinal organ with elasticity, and patients with esophageal cancer have difficulty or no food intake, and usually need to input nutrients through a nasogastric tube.
Tumor radiotherapy is mainly used for treating solid tumors, and comprises remote external radiotherapy and close internal radiotherapy. The close-range internal radiation treatment of tumors is carried out by adopting an after-loading machine or a radioactive particle implantation mode. Because the radiation therapy outside the tumor has great damage to normal tissues and can cause serious complications and sequelae, the radiation therapy directly placed in the close range of the tumor surrounding tissues is gradually popularized and popularized.
To the esophagus cancer patient, how to avoid the injury to normal tissues, satisfy the ingestion of nutrient substance simultaneously and realize accurate local radiotherapy, be prime for the problem of awaiting solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides a balloon stomach tube for esophageal cancer intracavity radiation therapy, and solves the problems in the background technology.
The utility model provides a technical scheme that its technical problem adopted is: provides a balloon stomach tube for esophageal cancer intracavity radiation therapy, which comprises a stomach tube body, a balloon and a particle bin;
the stomach tube body comprises a first tube body and a second tube body, a nutrient substance channel is formed inside the first tube body, a balloon airway is formed between the side walls of the first tube body and the second tube body, and a nutrient substance channel valve and an airway valve are respectively arranged on the first tube body and the second tube body;
the balloon is arranged at the intracavity end of the stomach tube body and is communicated with the balloon airway;
the number of the particle bins is at least 1, and the particle bins are movably arranged in the balloon air passage; the particle bin is of a tubular structure, and an iodine 125 particle seed source is sealed inside the particle bin and fixed in position through the side walls of the first pipe body and the second pipe body.
In a preferred embodiment of the present invention, the particle seed source is a titanium tube welded in a sealing manner, the diameter of the titanium tube is 0.6-0.8 mm, the length of the titanium tube is 4.5-5.0 mm, and the wall thickness of the titanium tube is 0.05-0.06 mm.
In a preferred embodiment of the present invention, the iodine 125 particle seed source is a silver rod with a size of 0.5-0.6 x 3mm penetrating through the iodine 125, the silver rod is sealed in the titanium tube, and the half-life period is 59.6 days. Iodine 125 is firstly used for treating prostate cancer abroad, obtains local control rate similar to surgery, and obtains more satisfactory clinical curative effect in treating solid tumors; the continuous low dose rate irradiation of iodine 125 has little influence on surrounding healthy tissues, the irradiation distance is short, only 1.7cm, can continuously kill tumor cells, the action time is longer, the continuous irradiation can be carried out for a long time, the local control rate is higher, and the purpose of treating diseases is achieved.
In a preferred embodiment of the present invention, the number of the particle bins is 1 to 5.
In a preferred embodiment of the present invention, the first tube is sleeved inside the second tube, the first tube forms a nutrient channel inside, and a balloon air passage is formed between the outer wall of the first tube and the inner wall of the second tube.
In a preferred embodiment of the present invention, the balloon cover is fixed to the periphery of the inner end of the stomach tube body, and the port of the inner end of the stomach tube body is open.
In a preferred embodiment of the present invention, the nutrient passage valve is disposed at the outer end of the stomach tube body, and comprises a sealing plug and a connecting member, wherein the connecting member is used for connecting the outer wall and the sealing plug of the stomach tube body, and the sealing plug is used for controlling the opening and closing of the nutrient passage.
In a preferred embodiment of the present invention, the air passage valve is disposed at the filling opening of the balloon air passage for controlling the opening and closing of the balloon air passage.
In a preferred embodiment of the present invention, a balloon air tube is disposed in the balloon air passage, the external end of the balloon air tube is a filling opening, and the inner end of the cavity is communicated with the balloon air passage.
Compared with the background technology, the technical scheme has the following advantages:
according to the scheme, the stomach tube body is fixed through the balloon in the stomach after being sent into the stomach, iodine 125 radioactive particles are put into the stomach according to the length and the position of the lesion of the esophageal cancer to continuously irradiate the lesion for a long time, so that accurate and continuous internal radiation treatment of the iodine 125 particles on the lesion of the esophageal cancer is guaranteed, only local tumor tissues are subjected to internal radiation treatment, and the damage to normal tissues is small; meanwhile, nutrient substances can be provided for patients, the nutrient intake of the patients is guaranteed, and a treatment mode which is simple in implantation process, free of operation and wound and good in tolerance is provided for the treatment of the patients with esophageal cancer.
Drawings
FIG. 1 is a schematic structural view of example 1;
fig. 2 is a schematic cross-sectional view of the gastric tube body of example 1;
the device comprises a particle cabin, a balloon airway, a balloon trachea, a nutrient substance channel, a 4 balloon, an airway valve, a 61 sealing plug and a 62 connecting piece, wherein the particle cabin is 1-particle cabin, the balloon airway is 2-balloon airway, the balloon trachea is 21-balloon airway, the nutrient substance channel is 3-balloon, and the connecting piece is 62-air airway valve.
Detailed Description
Example 1
The balloon stomach tube for esophageal cancer intracavity radiotherapy is used for realizing precise and long-time continuous internal radiotherapy treatment on esophageal cancer patients, and structurally comprises a stomach tube body with a double-layer structure, a balloon 4 and a particle bin 1;
the stomach tube body comprises a first tube body and a second tube body, a nutrient substance channel 3 is formed inside the first tube body, a balloon airway 2 is formed between the side walls of the first tube body and the second tube body, and a nutrient substance channel 3 valve and an airway valve 5 are respectively arranged on the first tube body and the second tube body;
in this embodiment, the first tube body is sleeved inside the second tube body, a nutrient substance channel 3 is formed inside the first tube body, and a balloon airway 2 is formed between the outer wall of the first tube body and the inner wall of the second tube body;
the nutrient substance channel 3 valve is arranged at the outer end of the stomach tube body and comprises a sealing plug 61 and a connecting piece 62, the connecting piece 62 is used for connecting the outer wall of the stomach tube body with the sealing plug 61, and the sealing plug 61 is used for controlling the opening and closing of the nutrient substance channel 3. Sealing the passage when it is not necessary to provide nutrients to the patient with esophageal cancer, while avoiding reflux of gastric contents.
The air passage valve 5 is arranged at a filling opening of the balloon air passage 2 and used for controlling the opening and closing of the balloon air passage 2, and after the balloon 4 is opened, the air passage valve 5 seals the air passage to ensure that the balloon 4 is in a long-time expansion state to play an internal fixing role. In this embodiment, in order to guarantee the accurate inflation of sacculus, and guarantee that the position in particle storehouse is not influenced in the filling process, add in sacculus air flue 2 and establish sacculus trachea 21, this sacculus trachea 21's external end is sealed through air flue valve 5, intracavity end and sacculus air flue 2 intercommunication.
The balloon 4 is arranged at the inner end of the stomach tube body and is communicated with the balloon airway 2; the balloon 4 is sleeved and fixed on the periphery of the inner end of the cavity of the stomach tube body, the internal fixing balloon 4 is positioned in the stomach, the near end of the balloon 4 is attached to an opening in the esophagus, and the balloon 4 of the iodine 125 particle-loaded balloon stomach tube can firmly fix the position of the stomach tube so as to ensure that iodine 125 particles are fixed on the position of an esophageal cancer focus and ensure that the stomach tube does not shift or slip; the port of the inner cavity end of the stomach tube body is open, so that the input of nutrient substances such as food is facilitated.
The particle bins 1 are 1-5 in number, are movably arranged in the balloon air passage 2 and are fixed through the tube walls of the first tube body and the second tube body; the particle bin 1 is of a tubular structure, and an iodine 125 particle seed source is sealed inside the particle bin. In the embodiment, the particle bin 1 is of a tubular structure, a titanium tube formed by sealing welding is arranged in the particle bin, the diameter of the titanium tube is 0.8mm, the length of the titanium tube is 4.5mm, and the wall thickness of the titanium tube is 0.05 mm; the iodine 125 particle seed source is a silver rod with the diameter of 0.5 x 3mm penetrating through the iodine 125, and the silver rod is sealed in a titanium tube.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides an esophageal cancer intracavity radiation therapy sacculus stomach tube which characterized in that: comprises a stomach tube body, a balloon and a particle cabin;
the stomach tube body comprises a first tube body and a second tube body, a nutrient substance channel is formed inside the first tube body, a balloon airway is formed between the side walls of the first tube body and the second tube body, and a nutrient substance channel valve and an airway valve are respectively arranged on the first tube body and the second tube body;
the balloon is arranged at the intracavity end of the stomach tube body and is communicated with the balloon airway;
the number of the particle bins is at least 1, and the particle bins are movably arranged in the balloon air passage; the particle bin is of a tubular structure, and the inner part of the particle bin is sealed with an iodine 125 particle seed source through the side wall fixing positions of the first pipe body and the second pipe body.
2. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the iodine 125 particle seed source is a titanium tube formed by sealing welding, the diameter of the titanium tube is 0.6-0.8 mm, the length of the titanium tube is 4.5-5.0 mm, and the wall thickness of the titanium tube is 0.05-0.06 mm.
3. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 2, wherein: the iodine 125 particle seed source is a silver rod which penetrates through iodine 125 and has the size of 0.5-0.6 x 3mm, and the silver rod is sealed in a titanium tube.
4. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the number of the particle bins is 1-5.
5. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the first pipe body is sleeved inside the second pipe body, and a balloon air passage is formed between the outer wall of the first pipe body and the inner wall of the second pipe body.
6. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the sacculus cover is established and is fixed in the periphery of the intracavity end of stomach tube body, the intracavity end port of stomach tube body is open to be set up.
7. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the nutrient substance passage valve is arranged at the outer end of the stomach tube body and comprises a sealing plug and a connecting piece, the connecting piece is used for connecting the outer wall of the stomach tube body and the sealing plug, and the sealing plug is used for controlling the opening and closing of the nutrient substance passage.
8. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 1, wherein: the air passage valve is arranged at the perfusion opening of the balloon air passage and used for controlling the opening and closing of the balloon air passage.
9. The esophageal cancer intracavity radiation therapy balloon stomach tube of claim 8, wherein: the balloon airway is internally provided with a balloon trachea, the external end of the balloon trachea is a perfusion opening, and the inner end of the cavity is communicated with the balloon airway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082559.4U CN211884967U (en) | 2020-01-15 | 2020-01-15 | Balloon stomach tube for esophageal cancer intracavity radiation therapy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082559.4U CN211884967U (en) | 2020-01-15 | 2020-01-15 | Balloon stomach tube for esophageal cancer intracavity radiation therapy |
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| CN211884967U true CN211884967U (en) | 2020-11-10 |
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| CN202020082559.4U Active CN211884967U (en) | 2020-01-15 | 2020-01-15 | Balloon stomach tube for esophageal cancer intracavity radiation therapy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198115A (en) * | 2021-05-19 | 2021-08-03 | 郑州大学第一附属医院 | Feeding type esophageal balloon particle sleeve |
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2020
- 2020-01-15 CN CN202020082559.4U patent/CN211884967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198115A (en) * | 2021-05-19 | 2021-08-03 | 郑州大学第一附属医院 | Feeding type esophageal balloon particle sleeve |
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