CN209997043U

CN209997043U - accurate radiotherapy head locating rack

Info

Publication number: CN209997043U
Application number: CN201920251684.0U
Authority: CN
Inventors: 姜春富
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-01-31
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses an accurate radiotherapy head locating racks, including positioning frame, upside mount and mounting panel base, positioning frame's both sides board all is provided with Z shape location structure, and two sets of Z shape location structure's inboard side all is provided with the wire, and positioning frame's rear side is provided with the circular arc rearmounted board, positioning frame's top fixed mounting upside mount, and the preceding side of upside mount is provided with X axle scale, and the side is provided with Y axle scale on the positioning frame right side board, and the side is provided with Z axle scale before the positioning frame right side board, the utility model discloses the realization is to the positioning action of radiotherapy head to through the setting of Z shape location structure's built-in Z coordinate, realize the convenient beneficial effect more accurate with the pendulum position of location to can make when accomplishing to the coordinate calculation convenience.

Description

accurate radiotherapy head locating rack

Technical Field

The utility model relates to the technical field of medical equipment head positioning frames, in particular to accurate radiotherapy head positioning frames.

Background

With the development of modern tumor radiotherapy technology, precise and accurate radiotherapy is pursued, and the precise radiotherapy can minimize the damage to normal tissues and toxic and side effects of patients. Firstly, errors such as positioning errors, image transmission and treatment plan planning errors, various index errors of machine equipment and the like are reduced from all links, and the positioning and positioning errors are the largest errors.

The existing head radiotherapy positioning and positioning method comprises the steps of firstly making virtual X, Y, Z mark points on the surface of a head mask, then performing positioning scanning, transmitting images to a treatment plan to complete the treatment plan design, calculating the coordinates of an actual tumor center target area through the coordinates of the virtual mark points, resetting according to the simulated coordinates and the treatment plan tumor center coordinates under a simulated positioning machine or a simulated CT, and determining that the actual coordinates x.y.z of the tumor irradiation center target area are marked on the mask, wherein the steps are complex and have large errors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide accurate radiotherapy head locating racks to the that provide in solving above-mentioned background art, need on patient's fixed film or skin secondary reset mark coordinate, lead to the repeatability of locate function and the inaccuracy error of treatment bigger, second, the great problem of space orientation coordinate pendulum position error.

In order to achieve the purpose, the utility model provides a following technical scheme accurate radiotherapy head locating racks, including positioning frame, upside mount and mounting panel base, the both sides board of aforementioned positioning frame all is provided with Z shape location structure, the inboard side of two sets of aforementioned Z shape location structure all is provided with the wire, the rear side of aforementioned positioning frame is provided with circular arc rear panel, the top fixed mounting upside mount of aforementioned positioning frame, the front side of aforementioned upside mount is provided with X axle scale mark, the side is provided with Y axle scale mark on the board of aforementioned positioning frame right side, the front side of aforementioned positioning frame right side board is provided with Z axle scale mark, aforementioned positioning frame fixed mounting is at the upside of mounting panel base, the upside fixed mounting fixed film bottom plate of aforementioned mounting panel base, the fixed connection head facial mask of the upside of aforementioned fixed film bottom plate.

The X-axis scale corresponds to the X axis, the X-axis coordinate is 0-280mm, the Y-axis scale corresponds to the Y axis, the Z-axis scale corresponds to the Z axis, and the Y axis and the Z axis are both set to be 0-200 mm.

The Z-shaped positioning structure is provided with a built-in Z coordinate on the side edge of the positioning frame, and the built-in Z coordinate corresponds to the Y-axis scale and the Z-axis scale.

The materials of the head positioning frame for the precise radiotherapy are all made of carbon fiber materials.

The utility model discloses an useful part lies in: the utility model realizes the positioning function to the radiotherapy head through the connection and cooperation between the positioning frame, the Z-shaped positioning structure, the arc rear plate, the upper side fixing frame, the X-axis scale, the Y-axis scale and the Z-axis scale, realizes the beneficial effects of convenient positioning and more accurate positioning through the built-in Z coordinate setting of the Z-shaped positioning structure, can conveniently calculate the coordinate when the treatment plan is formulated, realizes the limiting and laminating function with the head of a patient through the connection and cooperation between the mounting plate base, the fixed film base plate and the head mask, is favorable for achieving the aim of not manually marking the head mask, reduces twice resetting twice marking coordinate points on a simulation positioning machine or a simulation CT, solves the problems of unclear or lost manually marking coordinates, delays treatment, and can realize the installation and use on various positioning frames, the accuracy and the repeatability of the radiotherapy on the head of the patient are ensured.

Drawings

Fig. 1 is a schematic view of a structure of kinds of precise radiotherapy head positioning frames in an embodiment of the present invention;

fig. 2 is a second structural diagram of kinds of precise radiotherapy head positioning frames in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the positioning frame in fig. 2.

The meaning of the reference symbols in the figures: 1-a positioning frame, 2-a Z-shaped positioning structure, 3-a circular arc rear plate, 4-an upper side fixing frame, 5-an X-axis scale, 6-a Y-axis scale, 7-a Z-axis scale, 8-a mounting plate base, 9-a fixed film base plate and 10-a head mask.

Detailed Description

Referring to fig. 1-3, the utility model provides kinds of technical scheme accurate radiotherapy head locating racks, including positioning frame 1, upside mount 4 and mounting panel base 8, positioning frame 1's both sides board all is provided with Z shape location structure 2, the inboard side of two sets of Z shape location structure 2 all is provided with the wire, positioning frame 1's rear side is provided with circular arc rearmounted board 3, positioning frame 1's top fixed mounting upside mount 4, the preceding side of upside mount 4 is provided with X axle scale 5, positioning frame 1 right side board upper side is provided with Y axle scale 6, positioning frame 1 right side board front side is provided with Z axle scale 7, positioning frame 1 fixed mounting is at mounting panel base 8's upside, mounting panel base 8's upside fixed mounting fixed film bottom plate 9, fixed connection head facial mask 10 of fixed film bottom plate 9's upside.

As preferred schemes, the X-axis scale 5 corresponds to the X-axis, the coordinate of the X-axis is 0-280mm, the Y-axis scale 6 corresponds to the Y-axis, the Z-axis scale 7 corresponds to the Z-axis, and the Y-axis and the Z-axis are both set to be 0-200mm, which is beneficial to realizing the positioning function of space.

More preferably, Z shape location structure 2 sets up to the built-in Z coordinate of side of positioning frame 1, and built-in Z coordinate and Y axle, Z axle all correspond with Y axle scale 6, Z axle scale 7, are favorable to realizing the accurate positioning action in space to Z shape location structure 2 to the convenient effect of location of the built-in Z coordinate of full play side.

More preferably, the materials of the head positioning frame for the precise radiotherapy are all made of carbon fiber materials, so that the attenuation coefficient of the radioactive rays is reduced.

The utility model discloses a specific applications of accurate radiotherapy head locating racks do that the patient puts the head pillow at fixed film bottom plate 9 upside, head facial mask 10 carries out the effect of spacing location to patient's head, be favorable to realizing patient's head radiation therapy accuracy effect, positioning frame 1's both sides board all is provided with Z shape location structure 2, Z shape location structure 2 sets up to positioning frame 1's the built-in Z coordinate of side, the use of cooperation X axle coordinate can realize the space orientation function in positioning frame 1, calculate actual tumour center target region coordinate simultaneously in treatment plan preparation through the Z coordinate that sets up, tumour center target region coordinate body is on positioning frame 1, the utility model provides a complicated positioning action that traditional radiotherapy head locating rack will carry out twice mark on head facial mask 10, avoided losing or unclear because of the mark point, lead to carry out the error phenomenon of positioning scanning again, do not mark on the head locating film, reduce the secondary and reset the mark coordinate point on simulation pedestrian's machine or simulation location, reduce the mark effect for the radiation accuracy obtains the repeatability of treatment.

It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims

The utility model provides an accurate radiotherapy head locating rack of , including positioning frame (1), upside mount (4) and mounting panel base (8), its characterized in that the both sides board of positioning frame (1) all is provided with Z shape location structure (2), and is two sets of the inboard side of Z shape location structure (2) all is provided with the wire, the rear side of positioning frame (1) is provided with circular arc rearmounted board (3), top fixed mounting upside mount (4) of positioning frame (1), the preceding side of upside mount (4) is provided with X axle scale (5), positioning frame (1) right side board top side is provided with Y axle scale (6), positioning frame (1) right side board front side is provided with Z axle scale (7), positioning frame (1) fixed mounting is in the upside of mounting panel base (8), upside fixed mounting fixed film bottom plate (9) of mounting panel base (8), upside fixed connection head membrane (10) of fixed film bottom plate (9).
2. The kinds of precision radiotherapy head positioning frames of claim 1, wherein the X-axis scale (5) corresponds to the X-axis with X-axis coordinates of 0-280mm, the Y-axis scale (6) corresponds to the Y-axis, the Z-axis scale (7) corresponds to the Z-axis with both the Y-axis and the Z-axis set to 0-200 mm.
3. kinds of precision radiotherapy head positioning frame according to claim 1 or 2, characterized in that the Z-shaped positioning structure (2) is arranged with a built-in Z coordinate at the side of the positioning frame (1), and the built-in Z coordinate and the Y axis, and the Z axis are both corresponding to the Y axis scale (6) and the Z axis scale (7).
4. The kinds of precise radiotherapy head positioning frames of claim 3, wherein the materials of the precise radiotherapy head positioning frames are all made of carbon fiber materials.