CN-224220601-U - Human body simulation die body for radiotherapy quality control and verification

CN224220601UCN 224220601 UCN224220601 UCN 224220601UCN-224220601-U

Abstract

The utility model discloses a human body simulation die body for radiotherapy quality control and verification, which comprises a plurality of parts combined through a falcon structure or a connecting piece, wherein the parts of the human body simulation die body comprise a first die body, a second die body, a third die body and a fourth die body which are sequentially connected, and adjacent two of the first die body, the second die body, the third die body and the fourth die body are connected through the falcon structure or the connecting piece. According to the utility model, the multifunctional combined die body is arranged, so that the die body replacement frequency is reduced, the operation flow is simplified, and the quality control working efficiency is improved.

Inventors

CHEN XIAOXIANG
Mei Qiuyue
LV HOUQIAN

Assignees

上海希替直加医疗科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250210

Claims (10)

1. The utility model provides a human emulation die body for radiotherapy quality control and verification, includes a plurality of parts that pass through falcon structure or connecting piece combination, its characterized in that, a plurality of parts of human emulation die body are including first die body (100), second die body (200), third die body (201) and fourth die body (202) that connect gradually, in first die body (100), second die body (200), third die body (201) and fourth die body (202), adjacent two pass through falcon structure or connecting piece are got to the falcon.
2. The human body simulation phantom for radiotherapy quality control and verification according to claim 1, wherein the first phantom (100) comprises a head and neck model (101), a first phantom cavity (102), a phantom insert assembly (103) and a mounting fixture (104), the head and neck model (101) is similar to the geometric outline of the head and neck of the human body, the head and neck model (101) is provided with a cross mark, the first phantom cavity (102) is positioned below the head and neck model (101), the phantom insert assembly (103) comprises a first insert (30) and a second insert (31) which are cylindrical, the first insert (30) and the second insert (31) are inserted into the first phantom cavity (102), the first insert (30) comprises a front end face and a rear end face, the rear end face is connected with the head and neck model (101) and the mounting fixture (104), and the arrangement mode of the first insert (30) and the second insert (31) forms the cross mark.
3. The human body simulation die body for radiotherapy quality control and verification according to claim 2, wherein a clamping groove (3) of a regular hexahedron is formed in the front end face of the first insert (30), the clamping groove (3) is symmetrically distributed relative to the horizontal center line of the first insert (30), the clamping groove (3) is embedded into the first cube die body (10) and the second cube die body (20), the front end faces of the first cube die body (10) and the second cube die body (20) are overlapped with the front end face of the first insert (30), and cross marks are drawn along the center positions at the front end faces of the first cube die body (10) and the second cube die body (20).
4. A phantom for radiotherapy quality control and verification according to claim 3, wherein the first cube phantom (10) comprises a metal mark point a, a metal mark point b, a metal mark point c, a metal mark point d and a metal mark point e, wherein the metal mark point a is located at the center of the first cube phantom (10), the metal mark point b is located at the right obliquely lower part of the metal mark point a, the metal mark point c is located at the right obliquely lower part of the metal mark point b, the inclination angle is 45 °, the metal mark point a, the metal mark point b and the metal mark point c are located on the same straight line, the metal mark point d is located above the metal mark point a, the metal mark point e is located above the metal mark point d, and the metal mark point a, the metal mark point d and the metal mark point e are located on the same horizontal line.
5. A phantom for radiotherapy quality control and verification according to claim 3, characterized in that the second cubic phantom (20) is provided with a first film placement area (5), an outer ball (6), an inner ball (7), the center of the outer ball (6), the center of the inner ball (7) is the center of the second cubic phantom (20), and the second cubic phantom (20) is provided with the first film placement area (5) in the horizontal and vertical directions, respectively.
6. The phantom for radiotherapy quality control and verification according to claim 2, characterized in that the second insert (31) is provided with a second insert through hole (4) in a central position, and in an axial direction of the second insert (31), the length of the second insert through hole (4) is equal to the length of the second insert (31).
7. The human body simulation die body for radiotherapy quality control and verification according to claim 1, wherein a cross mark is arranged at the center of the second die body (200), the second die body (200) comprises a spinal cord plug-in (50), a lung tissue simulation plug-in (40), a second die body through hole (8), a third plug-in (60), a fourth plug-in (61) and a simulated tumor target body (9), the third plug-in (60) and the fourth plug-in (61) for tumor simulation are arranged inside the lung tissue simulation plug-in (40), and the third plug-in (60) and the fourth plug-in (61) are provided with spherical simulated tumor target bodies (9).
8. The human body simulation phantom for radiotherapy quality control and verification according to claim 7, wherein the third insert (60) is provided with a third insert through hole (601), the third insert through hole (601) extends to and penetrates through one side end surface of the third insert (60) with the center of sphere of the simulated tumor target (9) as a starting point, and a second film placement area (602) is arranged inside the fourth insert (61).
9. The phantom for radiotherapy quality control and verification according to claim 1, characterized in that the third phantom (201) comprises two concentric third phantoms a and b, the third phantom (201) being provided with third phantom through holes distributed over the third phantoms a and b, the third phantom through holes being inserted with a fifth insert.
10. The phantom for radiotherapy quality control and verification according to claim 1, characterized in that the fourth phantom (202) comprises two concentric fourth phantoms a and b, the fourth phantom (202) being provided with identification through holes distributed over the fourth phantoms a and b.

Description

Human body simulation die body for radiotherapy quality control and verification Technical Field The utility model relates to the technical field of radiotherapy, in particular to a human body simulation die body for radiotherapy quality control and verification. Background Radiation therapy is one of the important means of cancer treatment, and most cancer patients require radiation therapy at various stages of cancer treatment, about half of which can be cured by radiation therapy. Along with the development of accurate radiotherapy technology, the application range of radiotherapy in tumor treatment is continuously expanded, and the whole process of tumor treatment is penetrated. In the radiotherapy process, the linear accelerator is used as main treatment equipment, and the stability and the accuracy of the performance of the linear accelerator are critical to the treatment effect. The existing quality control and verification human body simulation die body has the defects that the function is single, the die body is used for testing of a specific type, different die bodies need to be replaced to complete multiple quality control tasks, operators spend a large amount of time to perform die body positioning, and the quality control efficiency is low. Disclosure of utility model The utility model aims to provide a human body simulation die body for radiotherapy quality control and verification, which is used for solving the problems in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a human emulation die body for radiotherapy quality control and verification, includes a plurality of parts that are through falcon structure or connecting piece combination, a plurality of parts of human emulation die body are including the first die body, second die body, third die body and the fourth die body that connect gradually, in first die body, second die body, third die body and the fourth die body, adjacent two pass through falcon structure or connecting piece are got to the falcon. Preferably, the first die body comprises a head and neck model, a first die body cavity, a die body plug-in component and an installation fixing device, the head and neck model is similar to the geometric outline of the head and neck of a human body, the head and neck model is provided with a cross mark, the first die body cavity is located at the position below the head and neck model, the die body plug-in component comprises a cylindrical first plug-in component and a cylindrical second plug-in component, the first plug-in component and the second plug-in component are inserted into the first die body cavity, the first plug-in component comprises a front end face and a rear end face, the rear end face is connected with the head and neck model and the installation fixing device, and the arrangement mode of the first plug-in component and the second plug-in component forms the cross mark. Preferably, the front end face of the first insert is provided with a slot of a regular hexahedron, the slot is symmetrically distributed relative to the horizontal central line of the first insert, the slot is embedded into the first cube mold body and the second cube mold body, the front end faces of the first cube mold body and the second cube mold body coincide with the front end face of the first insert, and a cross mark is drawn along the central position at the front end faces of the first cube mold body and the second cube mold body. Preferably, the first cube mold body includes a metal mark point a, a metal mark point b, a metal mark point c, a metal mark point d and a metal mark point e, wherein the metal mark point a is located at the center of the first cube mold body, the metal mark point b is located at the right obliquely lower part of the metal mark point a, the metal mark point c is located at the right obliquely lower part of the metal mark point b, the inclination angle is the same, the metal mark point a, the metal mark point b and the metal mark point c are located on the same straight line, the metal mark point d is located above the metal mark point a, the metal mark point e is located above the metal mark point d, and the metal mark point a, the metal mark point d and the metal mark point e are located on the same horizontal line. Preferably, the second cubic mold body is provided with a first film placing area, an outer ball and an inner ball, the positions of the centers of the outer ball and the inner ball are the center positions of the second cubic mold body, and the second cubic mold body is respectively provided with the first film placing area in the horizontal direction and the vertical direction. Preferably, a second insert through hole is arranged in the center of the second insert, and the length of the second insert through hole is equal to the length of the second insert in the axial direction of the second insert. Pre