CN117018475A - Radiotherapy equipment and cylindrical applicator thereof - Google Patents
Radiotherapy equipment and cylindrical applicator thereof Download PDFInfo
- Publication number
- CN117018475A CN117018475A CN202311056568.0A CN202311056568A CN117018475A CN 117018475 A CN117018475 A CN 117018475A CN 202311056568 A CN202311056568 A CN 202311056568A CN 117018475 A CN117018475 A CN 117018475A
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- top cover
- cylindrical applicator
- radiotherapy apparatus
- peripheral wall
- guide plate
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 38
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 230000000007 visual effect Effects 0.000 claims description 16
- 206010028980 Neoplasm Diseases 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- 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
-
- 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
- A61N2005/1019—Sources therefor
- A61N2005/1022—Generators, e.g. X-ray tubes
-
- 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
- A61N2005/1092—Details
- A61N2005/1094—Shielding, protecting against radiation
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- 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)
- Radiation-Therapy Devices (AREA)
Abstract
The application belongs to the technical field of radiotherapy equipment, and particularly relates to radiotherapy equipment and a cylindrical applicator thereof, wherein the radiotherapy equipment comprises a treatment head, the treatment head is used for emitting treatment rays, the cylindrical applicator comprises a cylinder body and a shielding shell, an irradiation channel for the treatment rays to pass through is arranged inside the cylinder body in a penetrating manner, the plane of the top end of the cylinder body is a horizontal plane, and the included angle between the plane of the bottom end of the cylinder body and the horizontal plane is 0-45 degrees. In the radiotherapy process, the treatment radiation is used for irradiating the tumor tissue region of the human body, and a cylindrical applicator is arranged between the treatment head and the human body to form an irradiation field with the size matched with the tumor tissue region, so that the damage to the surrounding normal tissues of the tumor tissue region is reduced. In fact, the plane of the tumor tissue area may be an inclined plane, and the lower end face of the cylinder body is an inclined plane to be better attached to a human body, so that damage to surrounding normal tissues is reduced.
Description
Technical Field
The application belongs to the technical field of radiotherapy equipment, and particularly relates to radiotherapy equipment and a cylindrical applicator thereof.
Background
The goal of radiation therapy is to increase the radiation dose sufficient at the target area of the tumor, and to reduce the normal tissue and organ burden surrounding the tumor, to increase the local control rate of the tumor and the survival (rate) quality of the patient. When radiotherapy equipment is used for carrying out radiotherapy on tumor tissues of a patient, a treatment head of the radiotherapy equipment is required to emit treatment rays to the area where the tumor tissues of a human body are located, and an irradiation field matched with the size of the area where the tumor tissues are located is formed through a cylindrical applicator of the radiotherapy equipment, so that damage to surrounding normal tissues is reduced, and the lower end face of the cylindrical applicator is attached to the area where the tumor tissues are located in the process.
In the prior art, a cylindrical applicator with the upper end face and the lower end face being horizontal is provided. For the above related art, when the area where the tumor tissue is located is an inclined plane, the light limiting tube in the prior art cannot be well attached to the area where the tumor tissue is located, so that the surrounding normal tissue is damaged.
Disclosure of Invention
The application mainly aims to provide a radiotherapy device and a cylindrical applicator thereof, which are used for solving the technical problem that the lower end face of a light limiting cylinder cannot be suitable for the inclined plane of a tumor tissue area of a human body in the prior art.
In an embodiment of the application, the radiotherapy apparatus comprises a treatment head for emitting treatment radiation, the cylindrical applicator comprising:
the tube body is internally provided with an irradiation channel for the passage of the therapeutic rays in a penetrating way, the diameter range of the irradiation channel is 3cm to 10cm, the plane where the top end of the tube body is positioned is a horizontal plane, and the included angle between the plane where the bottom end of the tube body is positioned and the horizontal plane is 0-45 degrees; and
the shielding shell is sleeved on the outer peripheral wall of the cylinder body and is used for shielding the treatment rays and the stray radiation.
In an embodiment of the application, the cylindrical applicator further comprises:
the top cover is sleeved on the outer peripheral wall of the cylinder body, and the outer diameter of the top cover is larger than that of the shielding shell; and
the visual guide plate is of a circular plate-shaped structure, a through hole for the barrel to pass through is formed in the center of the visual guide plate, and the bottom of the top cover is abutted to the visual guide plate.
In an embodiment of the application, an annular groove is formed on the outer peripheral wall of the cylinder body near the top end, and the bottom of the top cover is abutted with the bottom wall of the annular groove.
In an embodiment of the application, the side wall of the annular groove is in threaded engagement with the inner peripheral wall of the top cover.
In the embodiment of the application, the thickness of the visual guide plate is larger than that of the top cover, a first groove is formed in the visual guide plate, and the bottom of the top cover is clamped with the first groove.
In an embodiment of the present application, an annular protrusion is formed on the outer peripheral wall of the cylinder, the bottom of the shield case abuts against the top of the annular protrusion, and the top abuts against the bottom of the top cover.
In an embodiment of the application, the vision guide plate is radially provided with a locking member penetrating therethrough, and the locking member is used for radially abutting against the outer peripheral wall of the top cover.
In the embodiment of the application, the peripheral wall of the top cover is provided with an annular limiting groove, and the annular limiting groove is in plug-in fit with the locking piece.
In an embodiment of the present application, the number of the locking pieces is plural, and the plurality of locking pieces are uniformly spaced apart in the circumferential direction of the vision guide plate.
In an embodiment of the present application, there is also provided a radiotherapy apparatus comprising a cylindrical applicator of a radiotherapy apparatus as described above.
Through the technical scheme, the radiotherapy equipment and the cylindrical applicator thereof provided by the embodiment of the application have the following beneficial effects:
in the radiotherapy process, the treatment radiation is irradiated to the tumor tissue area of the human body by using the treatment head, but in order to reduce the damage to the surrounding normal tissues of the tumor tissue area, a cylindrical applicator is arranged between the treatment head and the human body to form an irradiation field with the size matched with the tumor tissue area, the treatment radiation is irradiated from the upper end of the cylinder, and the lower end of the cylinder is in direct contact with the human body. In fact, the plane of the tumor tissue area may be an inclined plane, the lower end face of the cylinder body of the cylindrical applicator provided by the application can be selected according to the inclination degree of the plane of the tumor tissue area, and the cylinder body is better attached to a human body through the cylinder body with the inclined plane of the lower end face, so that damage to surrounding normal tissues is reduced.
Additional features and advantages of the application will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide an understanding of the application, and are incorporated in and constitute a part of this specification, illustrate the application and together with the description serve to explain, without limitation, the application. In the drawings:
FIG. 1 is a schematic view of a cylindrical applicator according to one embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a cylindrical applicator in accordance with one embodiment of the present application;
FIG. 3 is a schematic view of a visual guide plate according to an embodiment of the present application.
Description of the reference numerals
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Cylindrical applicator | 5 | First groove |
| 1 | Barrel body | 6 | Annular protrusion |
| 2 | Shielding shell | 7 | Locking piece |
| 3 | Top cover | 8 | Annular limiting groove |
| 4 | Visual guide plate |
Detailed Description
Specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present application.
The radiotherapy apparatus and the cylindrical applicator 100 thereof according to the present application are described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, in the embodiment of the present application, the radiotherapy apparatus includes a treatment head for emitting a treatment ray, and the cylindrical applicator 100 includes a cylinder 1 and a shielding housing 2, wherein an irradiation channel for passing the treatment ray is perforated inside the cylinder 1, the diameter of the irradiation channel ranges from 3cm to 10cm, the plane in which the top end of the cylinder 1 is located is a horizontal plane, and the angle between the plane in which the bottom end of the cylinder 1 is located and the horizontal plane ranges from 0 ° to 45 °; the shielding shell 2 is sleeved on the outer peripheral wall of the cylinder body 1, and the shielding shell 2 is used for shielding therapeutic rays and stray radiation.
In the radiotherapy process, the treatment radiation is used for irradiating the tumor tissue region of the human body, and a cylindrical applicator 100 is arranged between the treatment head and the human body to form an irradiation field with the size matched with the tumor tissue region, so that the damage to the surrounding normal tissues of the tumor tissue region is reduced. The radiotherapy apparatus further comprises a holder by which the cylindrical applicator 100 is positioned and fixed to align the irradiation channel of the barrel 1 with the treatment head so that the treatment radiation is injected from the upper end of the barrel 1. The lower end of the cylinder 1 is in direct contact with the human body, and in fact, the plane of the tumor tissue area may be an inclined plane, so that the corresponding cylinder 1 is selected according to the inclination degree of the inclined plane, and the cylinder 1 with the inclined plane on the lower end surface is better attached to the human body, so that damage to surrounding normal tissues is reduced.
In addition, the irradiation channels with corresponding diameters are selected according to the size of the tumor tissue region, so that the irradiation field formed by the cylinder body 1 is matched with the size of the tumor tissue region, and the damage to surrounding normal tissues is reduced.
As shown in fig. 3, in the embodiment of the present application, the cylindrical applicator 100 further includes a top cover 3 and a vision guide plate 4, an entrance hole having the same diameter as the irradiation channel is formed in the center of the top cover 3, the top cover 3 is sleeved on the outer peripheral wall of the cylinder 1, and the outer diameter of the top cover 3 is larger than the outer diameter of the shielding shell 2; the visual guide plate 4 is of a circular plate-shaped structure, the circle center of the visual guide plate 4 is provided with a through hole for the barrel 1 to pass through, and the bottom of the top cover 3 is abutted with the visual guide plate 4.
Specifically, the visual guide plate 4 is connected with the bracket, the visual guide plate 4 is adjusted to a preset position through the bracket and fixed, the cylinder 1 is inserted into the through hole, and the top cover 3 plays a limiting role. Because different cylinders 1 have different outer diameters, the inner diameter of the through hole of the visual guide plate 4 needs to be selected according to the outer diameter of the cylinder 1, so that the cylinder 1 is kept stable, and the influence on the treatment effect is avoided. The outer peripheral wall of the cylindrical body 1 is formed with an annular protrusion 6, the bottom of the shield case 2 is abutted against the top of the annular protrusion 6, the top is abutted against the bottom of the top cover 3, and the shield case 2 is fixed to the outer peripheral wall of the cylindrical body 1 through the annular protrusion 6 and the top cover 3.
Further, the thickness of the vision guide plate 4 is larger than that of the top cover 3, a first groove 5 is formed in the vision guide plate 4, and the bottom of the top cover 3 is clamped with the first groove 5. After the top cover 3 is clamped with the first groove 5, the horizontal plane of the top cover 3 is not higher than that of the top of the vision guide plate 4, the top cover 3 is further limited by the first groove 5 to avoid fluctuation of the cylinder 1 in the vertical plane, so that the cylinder 1 is more stable.
In the embodiment of the application, an annular groove is formed on the outer peripheral wall of the cylinder 1 near the top end, and the bottom of the top cover 3 abuts against the bottom wall of the annular groove.
Specifically, the bottom wall of the annular groove is used for limiting the vertical direction of the top cover 3. The side wall of the annular groove is in threaded fit with the inner peripheral wall of the top cover 3, and the connection between the cylinder body 1 and the top cover 3 is reinforced through threaded fit of the side wall of the annular groove and the inner peripheral wall of the top cover 3, so that the cylinder body 1 is more stable.
Further, the outer peripheral wall of the top cover 3 may have a circular shape, etc., and the shape of the first groove 5 may correspond to the outer peripheral wall of the top cover 3, and a circular shape is generally selected as the best.
In the embodiment of the present application, the vision guide 4 is radially provided with a locking member 7 therethrough, and the locking member 7 is for radially abutting against the outer peripheral wall of the top cover 3.
Specifically, the locking member 7 penetrates from the outer peripheral wall of the vision guide plate 4, penetrates from the side wall of the first groove 5 and abuts against the outer peripheral wall of the top cover 3, so that the top cover 3 is prevented from fluctuating in the horizontal plane, and the cylinder 1 is further stabilized. The number of the locking pieces 7 is multiple, the locking pieces 7 are uniformly arranged at intervals along the circumferential direction of the vision guide plate 4, and the locking pieces 7 are in threaded plug-in fit with the top cover 3.
Further, an annular limiting groove 8 is formed in the peripheral wall of the top cover 3, the annular limiting groove 8 is in plug-in fit with the locking piece 7, and one end of the locking piece 7, facing the annular limiting groove 8, is abutted with the bottom wall of the annular limiting groove 8.
In an embodiment of the present application, there is also provided a radiotherapy apparatus comprising a cylindrical applicator 100 of a radiotherapy apparatus as above. Since the radiotherapy apparatus employs all embodiments of the cylindrical applicator 100 of the radiotherapy apparatus described above, the radiotherapy apparatus has all the advantages achieved above.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A cylindrical applicator of a radiotherapy apparatus, the radiotherapy apparatus comprising a treatment head for emitting treatment radiation, characterized in that the cylindrical applicator (100) comprises:
the device comprises a barrel body (1), wherein an irradiation channel for the passage of the treatment rays is formed inside the barrel body in a penetrating manner, the diameter range of the irradiation channel is 3cm to 10cm, the plane of the top end of the barrel body (1) is a horizontal plane, and the included angle between the plane of the bottom end of the barrel body (1) and the horizontal plane is 0-45 degrees; and
the shielding shell (2) is sleeved on the outer peripheral wall of the cylinder body (1), and the shielding shell (2) is used for shielding the treatment rays and the stray radiation.
2. The cylindrical applicator of claim 1, wherein the cylindrical applicator further comprises:
the top cover (3) is provided with an incidence hole with the same diameter as the irradiation channel in a penetrating way in the center of the top cover (3), the top cover (3) is sleeved on the peripheral wall of the cylinder body (1), and the outer diameter of the top cover (3) is larger than the outer diameter of the shielding shell (2); and
the visual guide plate (4) is of a circular plate-shaped structure, a through hole for the barrel (1) to pass through is formed in the center of the visual guide plate (4), and the bottom of the top cover (3) is abutted to the visual guide plate (4).
3. The cylindrical applicator according to claim 2, wherein an annular groove is formed near the top end of the outer peripheral wall of the cylinder (1), and the bottom of the top cover (3) abuts against the bottom wall of the annular groove.
4. A cylindrical applicator for a radiotherapy apparatus according to claim 3, characterized in that the side walls of the annular recess are screw-fitted with the inner peripheral wall of the cap (3).
5. The cylindrical applicator of a radiotherapy apparatus according to claim 2, wherein the thickness of the vision guide plate (4) is larger than that of the top cover (3), a first groove (5) is formed in the vision guide plate (4), and the bottom of the top cover (3) is clamped with the first groove (5).
6. The cylindrical applicator of a radiotherapy apparatus according to claim 2, characterized in that the outer peripheral wall of the cylinder (1) is formed with an annular protrusion (6), the bottom of the shield case (2) being in abutment with the top of the annular protrusion (6), the top being in abutment with the bottom of the top cap (3).
7. Radiotherapy apparatus according to claim 2, characterized in that the vision guide (4) is provided radially through with locking members (7), the locking members (7) being adapted to radially abut against the peripheral wall of the top cap (3).
8. Radiotherapy apparatus according to claim 7, characterized in that the peripheral wall of the top cover (3) is provided with an annular limiting groove (8), and the annular limiting groove (8) is in plug-in fit with the locking piece (7).
9. The cylindrical applicator of a radiotherapy apparatus according to claim 7, characterized in that the number of the locking pieces (7) is plural, and the plurality of locking pieces (7) are arranged at uniform intervals along the circumferential direction of the vision guide plate (4).
10. Radiotherapy apparatus, characterized in that it comprises a cylindrical applicator (100) of a radiotherapy apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311056568.0A CN117018475A (en) | 2023-08-21 | 2023-08-21 | Radiotherapy equipment and cylindrical applicator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311056568.0A CN117018475A (en) | 2023-08-21 | 2023-08-21 | Radiotherapy equipment and cylindrical applicator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117018475A true CN117018475A (en) | 2023-11-10 |
Family
ID=88637142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311056568.0A Pending CN117018475A (en) | 2023-08-21 | 2023-08-21 | Radiotherapy equipment and cylindrical applicator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117018475A (en) |
-
2023
- 2023-08-21 CN CN202311056568.0A patent/CN117018475A/en active Pending
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