CN210728445U

CN210728445U - Head, neck and shoulder position fixing adapter for keeping radiotherapy and positioning in same position by MRI and CT

Info

Publication number: CN210728445U
Application number: CN201920224693.0U
Authority: CN
Inventors: 林福烘
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-06-12
Anticipated expiration: 2029-02-22

Abstract

The utility model discloses a neck shoulder position fixed adapter that is used for MRI and CT to fix a position with position radiotherapy, this adapter are equipped with adapter body, and adapter body's lower surface is equipped with and connects the position with MRI neck spine coil matched with MRI, and its upper surface is equipped with the location bearing part unanimous with human body curve, and its lower extreme is equipped with a plurality of height-adjustable's the CT support that is used for with CT location bed surface butt joint. The utility model discloses according to present most diagnosis magnetic resonance head cervical spine coil space size and human head neck shoulder ergonomic yardstick design, surface and head neck spine coil closely laminate, internal surface and human head neck shoulder phase-match. And simultaneously, the utility model discloses a set up CT support and CT location bed surface butt joint, can guarantee the body position uniformity that the imaging quality guaranteed scanning body position and CT location simultaneously when carrying out MRI scanning to obtain the registration image of high quality and high accuracy, improve the accuracy that clinician sketched tumour target area, thereby improve treatment.

Description

Head, neck and shoulder position fixing adapter for keeping radiotherapy and positioning in same position by MRI and CT

[ technical field ] A method for producing a semiconductor device

The utility model relates to a MRI and CT image fusion positioning technique among neck tumour radiotherapy, in particular to can keep the uniformity of scanning position, obtain the position fixed adapter that is used for MRI and CT neck tumour location of the high fusion image of registration accuracy.

[ background of the invention ]

Each part of the human body is composed of muscles, connective tissues and the like, is a non-rigid structure, and in radiotherapy, the necessary posture fixation of the body and the tumor focus part is the premise and the necessary requirement for realizing accurate positioning and ensuring the treatment effect. The main equipment for radiotherapy positioning is realized by matching a CT machine with a corresponding positioning body frame or head frame, and the CT image has limitation on the resolution capability of a plurality of human body structures and tumor focuses, particularly soft tissues with small density difference, and the resolution capability of the soft tissues cannot fully display the boundary and the invasion range of the tumor focuses and normal tissues. In order to make up for the defects, a magnetic resonance image and CT positioning image fusion technology is adopted in recent years, but the diagnosis of magnetic resonance and the positioning of CT are limited by factors such as inconsistency of geometric parameters of positioning CT beds, head frames and magnetic resonance beds sold in the market at present, head, neck and spinal columns, signal interference of magnetic conductive materials and the like, and a patient is kept in the same body position for scanning by using the same body position fixing device in the positioning of head and neck tumors. Therefore, it is difficult to obtain a registered image with consistent coordinate information, and thus it is difficult to achieve accurate registration fusion of the two images. In the chinese patent document with application number 01214297.2, the applicant provided a body positioning frame that has both the positioning function of magnetic resonance diagnosis and the positioning function of radiotherapy, and can perform MRI scanning on body tumors such as mediastinum, abdomen, pelvic cavity, etc. by matching with a magnetic resonance body coil, but due to the particularity of the engineering scale of the head and neck of a human body, scanning with the body coil cannot make the human body tissues and the focus well fit with the coil, so that the signal is greatly attenuated, and the image quality is obtained. The existing needs to solve the above problems require purchasing a special magnetic resonance positioning machine (MR SIM), a special positioning coil or configuring special deformation fusion software, which is difficult to realize on the conventional diagnostic magnetic resonance equipment.

[ summary of the invention ]

The utility model aims at solving the above problem, and provide one kind and be used for carrying on MRI and CT fixed scanning head neck shoulder position that moves ahead fixed to make the patient keep the uniformity of scanning the position, obtain the fixed adapter that is used for MRI and CT head neck shoulder position location of the high fusion image of registration accuracy.

For realizing the utility model discloses a purpose, the utility model provides a neck shoulder position fixed adapter that is used for MRI and CT to keep same position radiotherapy location, this adapter are equipped with the adapter body, the lower surface of adapter body is equipped with and connects the connection position with MRI neck spinal column coil matched with MRI, the upper surface of adapter body is equipped with the fixed bearing part of location position unanimous with human curve, adapter body lower extreme is equipped with a plurality of height-adjustable's the CT support that is used for with CT location bed surface butt joint.

The adapter body is made of a wood material subjected to deep carbonization treatment at a high temperature of 200 ℃ under an oxygen-free condition.

The MRI connection part comprises a head connection part, a neck-shoulder connection part and a waist-hip connection part, the head connection part is attached to the head of the head-neck spinal coil of the MRI, the neck-shoulder connection part is attached to the neck-shoulder of the head-neck spinal coil of the MRI, and the waist-hip connection part is attached to the waist-hip of the head-neck spinal coil of the MRI.

The positioning bearing part comprises a head positioning structure, a neck and shoulder positioning structure and a waist and hip positioning structure, the top surface of the head positioning structure is a hemispherical surface, the front end of the occiput is connected with the top surface through an arc, the two sides of the temporal part are U-shaped with the cross section of the occiput, the two sides of the temporal part are inverted U-shaped with the coronal surface of the top surface, the two sides of the neck and shoulder positioning structure are U-shaped with the cross section of the bottom surface, and the two sides of the neck and shoulder are omega-shaped with the coronal surface of the shoulder.

Through holes are formed in the outer sides of the neck and shoulder connecting portions of the neck and shoulder positioning structure.

The through holes are round through holes or square through holes.

The CT support part comprises a head support part, two shoulder support parts, two hip support parts and a height adjusting mechanism, the cross section of the head support part is U-shaped, the two shoulder support parts are cylinders, the two hip support parts are cylinders, and the head support part, the shoulder support parts and the hip support parts are respectively butted with the bed surface of the CT positioning bed through the height adjusting mechanism.

The head support is made of an epoxy material.

The positioning bearing part and the surface of the human tissue are filled with polyurethane foaming glue.

The top of location bearing part is equipped with the thermoplastic film, and patient's human tissue is located between polyurethane foam and the thermoplastic film during the treatment.

The utility model has the advantages that: the utility model discloses according to most present diagnosis magnetic resonance head neck coil space size and human head neck shoulder ergonomic yardstick design, surface and head neck spine coil closely laminate, internal surface and human head neck shoulder phase-match. Simultaneously, the utility model discloses a set up CT support and butt joint with CT location bed surface. Therefore, the MRI scanning method can ensure the imaging quality and the body position consistency of the scanning body position and the CT positioning during the MRI scanning, thereby obtaining a high-quality and high-precision registration image, improving the accuracy of a clinician in delineating a tumor target area and improving the treatment effect. Therefore, the method can bring the economic benefits and the social benefits of large medical instruments into play to the maximum extent, and provide better accurate radiotherapy service for tumor patients in the vast underdeveloped areas.

[ description of the drawings ]

Fig. 1 is a plan view of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a side view of the present invention.

Fig. 4 is a sectional view B-B of fig. 1.

Fig. 5 is a cross-sectional view C-C of fig. 1.

Fig. 6 is a cross-sectional view taken along line D-D of fig. 3.

Fig. 7 is a cross-sectional view E-E of fig. 1.

Fig. 8 is a schematic structural view of the head support portion of the present invention.

Fig. 9A is a front view of the present invention in a use state, fig. 9B is a sectional view from F to F of fig. 9A, fig. 9C is a sectional view from G to G of fig. 9A, and fig. 9D is a sectional view from H to H of fig. 9A.

[ detailed description ] embodiments

The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.

As shown in fig. 1, 2 and 3, the fixing adapter for positioning the head and neck regions of MRI and CT of the present invention is provided with an adapter body 10, an MRI connection region 20, a positioning portion 30 and a CT support portion 40.

As shown in fig. 1, the adaptor body 10 is made of a wood material subjected to deep carbonization at a high temperature of 200 ℃ under an oxygen-free condition, so that the adaptor body has good dimensional stability and high rigidity modulus, and all the components of the adaptor body 10 are connected and riveted by bamboo nails subjected to deep carbonization at a high temperature, so that the riveting rigidity is ensured and interference signals generated by using metal materials are avoided. As shown in fig. 2, 3 and 6, an MRI connection site 20 is provided on the lower surface of the adaptor body 10, and is fitted to an MRI cervical spine coil. This MRI connects position 20 includes head connection position 21, neck shoulder connection position 22 and waist buttockss portion connection position 23, and wherein, the skull top surface of head connection position 21 hangs in the head end opening of the head neck backbone coil of MRI, and its skull temporal part and neck lateral surface laminate with the skull temporal part and the neck medial surface of the neck spinal column coil of MRI, and its skull occipital part and neck back laminate with the occipital surface and the neck surface of the neck spinal column coil of MRI. The neck-shoulder connecting part 22 comprises two side surfaces and a bottom surface of the neck and the bottom surface of the shoulder, and the neck-shoulder connecting part 22 is attached to the neck-shoulder connecting transverse axial surface of the MRI cervical spinal coil. The waist-hip connection position 23 is attached to the waist-hip surface of the head-neck spinal coil of the MRI. The MRI connection position 20 is used as a gravity bearing part, and the head connection position 21 is of a hemispherical structure, so that the structural stability is ensured.

As shown in fig. 1, 2, 3, 4, 5, and 7, a positioning support portion 30 is provided on the upper surface of the adapter body 10, and the positioning support portion 30 conforms to the curve of the human body. This location load-bearing part 30 includes head location structure 31, neck shoulder location structure 32 and waist buttockss portion location structure 33, and wherein, head location structure 31's skull top surface is the hemisphere face, and its occipital front end passes through the circular arc to be connected with the top surface, and its temporal portion both sides are the U type with the cross-section of occipital portion, and its temporal portion both sides are personally submitted the type of falling U with the coronal of top surface, and the neck both sides face of neck shoulder location structure 32 is the U type with the cross-section of bottom surface, and the neck both sides face is the omega type with the coronal of shoulder. In addition, through holes 321 are provided on the outer sides of the neck and shoulder connecting portions of the neck-shoulder positioning structure 32 to ensure the structural connection rigidity thereof and reduce the penetrating thickness of the incident path of the radiation, thereby reducing the attenuation of the useful radiation. The through hole 321 may be a circular through hole or a square through hole, or may be a through hole of other shapes. As shown in fig. 4, the through holes 321 in the present embodiment are circular through holes and square through holes.

As shown in fig. 1 to 5 and 8, a CT support 40 is provided at the lower end of the adapter body 10 for abutting against the bed surface of the CT positioning table. The CT support 40 includes a head support 41, a shoulder support 42, a hip support 43 and a height adjusting mechanism 44, wherein, as shown in fig. 8, the cross section of the head support 41 is U-shaped and made of epoxy resin material, two shoulder supports 42 are provided and are cylinders respectively provided at two sides of the shoulder, two hip supports 43 are provided and are cylinders respectively provided at two sides of the hip, the head support 41, the shoulder support 42 and the hip support 43 respectively enable the adaptor body 10 to be located on the same plane through the height adjusting mechanism 44 so as to be butted with the bed surface of the CT positioning bed, and the height adjusting mechanism 44 of the embodiment is an adjusting nut.

As shown in fig. 9A, 9B, 9C and 9D, when the utility model is used for posture fixation, the polyurethane foam rubber 60 is used for filling the gap between the human body tissue 50 and the positioning and bearing part 30, and the polyurethane foam rubber can be removed and replaced after foam molding; a thermoplastic film 70 is provided above the positioning and bearing part 30, and the human tissue 50 of the patient is positioned between the polyurethane foam 60 and the thermoplastic film 70 during the treatment. The thermoplastic film 70 of this embodiment makes the face guard type, conveniently switches polyurethane expanded polystyrene 60 and thermoplastic film 70 face guard at different patients when guaranteeing to use to make patient's human tissue with the utility model discloses laminate more, reach the fixed effect of individualized accurate position, make and can guarantee the body position uniformity that the imaging quality guaranteed scanning position and CT location simultaneously when carrying out MRI scanning, thereby obtain high quality and high accuracy registration image.

Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.

Claims

1. The utility model provides a neck shoulder position fixed adapter that MRI and CT kept same position radiotherapy location, its characterized in that, this adapter is equipped with adapter body (10), the lower surface of adapter body (10) is equipped with and MRI neck spinal column coil matched with MRI connects position (20), the upper surface of adapter body (10) is equipped with the location supporting part (30) unanimous with human body curve, adapter body (10) lower extreme is equipped with a plurality of height-adjustable be used for with CT location bed surface butt joint's CT support portion (40).

2. The head, neck and shoulder body position fixation adapter for keeping the same position for radiotherapy treatment of MRI and CT as set forth in claim 1, wherein the adapter body (10) is made of wood material subjected to deep carbonization treatment under high temperature and oxygen-free condition at 200 ℃.

3. The MRI and CT head and neck shoulder body position fixing adapter for keeping the radiotherapy positioning in the same body position according to claim 1, wherein the MRI connection position (20) comprises a head connection position (21), a neck and shoulder connection position (22) and a waist and hip connection position (23), the head connection position (21) is attached to the head of the head and neck spine coil of the MRI, the neck and shoulder connection position (22) is attached to the neck and shoulder of the head and neck spine coil of the MRI, and the waist and hip connection position (23) is attached to the waist and hip of the head and neck spine coil of the MRI.

4. The head, neck and shoulder body position fixing adapter for keeping radiotherapy positioning in the same body position for MRI and CT according to claim 1, wherein the positioning and bearing part (30) comprises a head positioning structure (31), a neck and shoulder positioning structure (32) and a waist and hip positioning structure (33), the top surface of the head positioning structure (31) is a hemispherical surface, the front end of the occipital part is connected with the top surface through an arc, the two sides of the temporal part and the cross section of the occipital part are U-shaped, the two sides of the temporal part and the coronal surface of the top surface are inverted U-shaped, the cross sections of the two sides of the neck and the bottom surface of the neck and shoulder positioning structure (32) are U-shaped, and the two sides of the neck and the coronal surface of the shoulder are omega-shaped.

5. The head, neck and shoulder body position fixing adapter for keeping radiotherapy positioned in the same body position for MRI and CT as set forth in claim 4, wherein the neck and shoulder connecting part of the neck and shoulder positioning structure (32) is provided with a through hole (321) at the outer side.

6. The head, neck and shoulder body position fixing adapter for keeping radiotherapy positioned in the same body position for MRI and CT as set forth in claim 5, wherein the through hole (321) is a circular through hole or a square through hole.

7. The head, neck and shoulder body position fixing adapter for keeping radiotherapy positioned in the same body position for MRI and CT according to claim 1, wherein the CT support part (40) comprises a head support part (41), a shoulder support part (42), a hip support part (43) and a height adjusting mechanism (44), the cross section of the head support part (41) is U-shaped, the two shoulder support parts (42) are cylindrical, the two hip support parts (43) are cylindrical, and the head support part (41), the shoulder support part (42) and the hip support part (43) are respectively butted with the bed surface of the CT positioning bed through the height adjusting mechanism (44).

8. The head, neck and shoulder body position fixation adapter for holding a same position radiation therapy positioning for MRI and CT as set forth in claim 7, wherein said head support (41) is made of an epoxy material.

9. The head, neck and shoulder body position fixation adapter for keeping radiotherapy positioned in the same body position for MRI and CT according to claim 1, wherein the space between the positioning bearing part (30) and the surface of the human tissue (50) is filled with polyurethane foam (60).

10. The head, neck and shoulder body position fixing adapter for keeping radiotherapy positioned in the same body position for MRI and CT according to claim 9, wherein a thermoplastic film (70) is provided above the positioning and bearing part (30), and the human tissue (50) of the patient is positioned between the polyurethane foam (60) and the thermoplastic film (70) during the treatment.