CN117339124A - Near-field radiation therapy device and application method - Google Patents

Abstract

The invention discloses a near-distance radiotherapy device and a using method thereof, wherein the near-distance radiotherapy device comprises a movable base, a treatment couch assembly and a radiotherapy apparatus mounting assembly, the movable base comprises a base body and a universal wheel mechanism, the universal wheel mechanism is mounted on the lower end face of the base body, the treatment couch assembly is mounted on the upper end face of the base body, the radiotherapy apparatus mounting assembly comprises a movable support and a radiotherapy apparatus body, the radiotherapy apparatus body is mounted in the middle of the top end face of the movable support, and the radiotherapy apparatus body is placed right above the treatment couch assembly, and the movable support is bridged on two sides of the upper end face of the base body.

Description

Near-field radiation therapy device and application method

Technical Field

The invention relates to the technical field of radiotherapy devices, in particular to a close range radiotherapy device and a using method thereof.

Background

Tumor radiotherapy is a local treatment method for treating tumors by utilizing radiation, wherein the radiation comprises alpha rays, beta rays, gamma rays generated by radioactive isotopes, x-rays, electron beams, proton beams, other particle beams generated by various x-ray treatment machines or accelerators, and the like, about 70 percent of cancer patients need to be treated by the radiation in the treatment process of cancers, about 40 percent of cancers can be radically treated by the radiation, the effect and the position of the radiation in the treatment of tumors are increasingly prominent, the treatment effect of the radiation is one of the main means for treating malignant tumors, the radiation treatment effect depends on the radiation sensitivity, the different tissues and tissues are different in the degree of the change of the response after being irradiated, the radiation sensitivity is related to the proliferation cycle and pathological grading of tumor cells, namely, the proliferation active cells are more sensitive than the non-proliferation cells, and the higher the cell differentiation degree is, the radiation sensitivity is lower, and conversely the higher is higher.

Radiation therapy plays a wide and important role in the field of tumor therapy, but the existing tumor radiation therapy equipment needs a patient to lie on a moving bed body, and a radiation therapy instrument and a therapy bed are fixed, so that the treatment efficiency is low, and therefore, improvement is needed.

Disclosure of Invention

The present invention is directed to a brachytherapy device and a method of use thereof, which solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a brachytherapy device, includes removal base, treatment couch subassembly and radiotherapy appearance installation component, remove the base and include pedestal and universal wheel mechanism, universal wheel mechanism installs in the pedestal lower terminal surface, the treatment couch subassembly is installed in the pedestal up end, radiotherapy appearance installation component is including removing support and radiotherapy appearance body, radiotherapy appearance body installs in the top face middle part of removing the support, just place the treatment appearance body and be in directly over the treatment couch subassembly, remove the support cross-over connection in pedestal up end both sides.

Preferably, the brachytherapy device provided by the application, wherein the treatment couch assembly comprises a treatment couch body and a lifting mechanism, and the lifting mechanism is installed between the treatment couch body and the upper end surface of the seat body.

Preferably, the application provides a brachytherapy device, wherein, elevating system includes first pivot, second pivot, first support arm, second support arm and push-and-pull pneumatic cylinder, first pivot, second pivot are installed respectively in the lower terminal surface of treatment bed body, first pivot is connected to first support arm one end, first slider is connected to the first support arm other end, second pivot is connected to second support arm one end, the second slider is connected to the second support arm other end, the horizontal slide rail of pedestal up end installation, first slider, second slider slidable mounting in horizontal slide rail, first support arm and second support arm cross arrangement, and junction installation round pin axle, push-and-pull pneumatic cylinder installs in the pedestal, push-and-pull pneumatic cylinder flexible end is connected with first slider.

Preferably, the application provides a brachytherapy device, wherein, still install a plurality of protection casing components on the treatment bed body, every protection casing component all include first cover body, second cover body, first rotation axis, second rotation axis, first sliding block and second sliding block, first sliding block is connected through first rotation axis to first cover body bottom, second sliding block is connected through the second rotation axis to second cover body bottom, first spout and second spout with first sliding block, second sliding block sliding connection are installed respectively to treatment bed body up end both sides, first cover body upper end is fixed through the joint spare with second cover body upper end.

Preferably, the application provides a brachytherapy device, wherein, the pulley block is still installed to the movable support bottom, the pulley groove is installed to pedestal up end both sides, the pulley block slides back and forth in the pulley groove.

Preferably, the present application provides a brachytherapy device, wherein 2-3 shield assemblies are provided.

Preferably, the application provides a brachytherapy device, wherein, the treatment couch body both sides still install the protection railing.

Preferably, the application provides a brachytherapy device, wherein the application method thereof comprises the following steps:

A. firstly, lowering the therapeutic bed body to the bottommost end through a lifting mechanism;

B. then the patient lies on the therapeutic bed body;

C. medical staff moves the protective cover assembly back and forth to the position above the part to be protected, and clamps and fixes the first cover body and the second cover body;

D. then, the lifting mechanism is controlled to ascend, and the lifting mechanism drives the therapeutic bed body to move upwards to the highest point;

E. and then moving and fixing the radiotherapy apparatus to enable the radiotherapy apparatus to be aligned to the radiation part, and finally starting the radiotherapy apparatus to carry out brachytherapy.

Compared with the prior art, the invention has the beneficial effects that:

(1) The invention has novel structural design and convenient use, can realize the brachytherapy of patients, can effectively protect the parts of the patients which do not need to be treated, and can also improve the treatment efficiency of the patients.

(2) The lifting mechanism adopted by the invention has good lifting stability, and can adjust the height of the treatment bed according to the use requirement, thereby further improving the treatment effect.

(3) The protective cover assembly adopted by the invention can move forwards and backwards, is convenient for covering the parts which do not need treatment, and plays a role in protection.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the lifting mechanism of the present invention;

FIG. 3 is a schematic view of the installation of a protective cover assembly of the present invention;

FIG. 4 is a flow chart of the present invention;

in the figure: the radiotherapy apparatus comprises a base 1, a universal wheel mechanism 2, a movable support 3, a radiotherapy apparatus body 4, a therapeutic bed body 5, a lifting mechanism 6, a first rotating shaft 7, a second rotating shaft 8, a first supporting arm 9, a second supporting arm 10, a push-pull hydraulic cylinder 11, a first sliding block 12, a second sliding block 13, a transverse sliding rail 14, a pin shaft 15, a first cover 16, a second cover 17, a first rotating shaft 18, a second rotating shaft 19, a first sliding block 20, a second sliding block 21, a second sliding block 22, a first sliding groove 23, a second sliding groove 24, a clamping piece 25, a pulley block 26 and a pulley groove 27.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, the present invention provides a technical solution: the brachytherapy device comprises a movable base, a therapeutic bed component and a radiotherapy instrument mounting component, wherein the movable base comprises a base body 1 and a universal wheel mechanism 2, the universal wheel mechanism 2 is mounted on the lower end face of the base body 1, the therapeutic bed component is mounted on the upper end face of the base body 1, the radiotherapy instrument mounting component comprises a movable support 3 and a radiotherapy instrument body 4, the radiotherapy instrument body 4 is mounted in the middle of the top end face of the movable support 3, the therapeutic instrument body 4 is positioned right above the therapeutic bed component, and the movable support 3 is bridged on two sides of the upper end face of the base body 1; the pulley block 26 is also arranged at the bottom end of the movable support 3, pulley grooves 27 are arranged on two sides of the upper end face of the base body 1, and the pulley block 26 slides back and forth in the pulley grooves 27.

In the invention, the treatment bed component comprises a treatment bed body 5 and a lifting mechanism 6, wherein the two sides of the treatment bed body 5 are also provided with protective rails 28, and the lifting mechanism 6 is arranged between the treatment bed body 5 and the upper end surface of the seat body 1; the lifting mechanism 6 comprises a first rotating shaft 7, a second rotating shaft 8, a first supporting arm 9, a second supporting arm 10 and a push-pull hydraulic cylinder 11, wherein the first rotating shaft 7 and the second rotating shaft 8 are respectively arranged on the lower end face of the treatment table body 5, one end of the first supporting arm 9 is connected with the first rotating shaft 7, the other end of the first supporting arm 9 is connected with a first sliding block 12, one end of the second supporting arm 10 is connected with the second rotating shaft 8, the other end of the second supporting arm 10 is connected with a second sliding block 13, a transverse sliding rail 14 is arranged on the upper end face of the base body 1, the first sliding block 12 and the second sliding block 13 are slidably arranged in the transverse sliding rail 14, the first supporting arm 9 and the second supporting arm 10 are arranged in a crossing mode, a pin shaft 15 is arranged at the crossing position, the push-pull hydraulic cylinder 11 is arranged on the base body 1, and the telescopic end of the push-pull hydraulic cylinder 11 is connected with the first sliding block 12. The lifting mechanism adopted by the invention has good lifting stability, and can adjust the height of the treatment bed according to the use requirement, thereby further improving the treatment effect.

In the invention, a plurality of protective cover assemblies are also arranged on the treatment bed body 5, 2-3 protective cover assemblies are arranged, each protective cover assembly comprises a first cover body 16, a second cover body 17, a first rotating shaft 18, a second rotating shaft 19, a first sliding block 20 and a second sliding block 21, the bottom end of the first cover body 16 is connected with the first sliding block 20 through the first rotating shaft 18, the bottom end of the second cover body 17 is connected with the second sliding block 22 through the second rotating shaft 19, a first sliding groove 23 and a second sliding groove 24 which are in sliding connection with the first sliding block 21 and the second sliding block 22 are respectively arranged on two sides of the upper end face of the treatment bed body 5, and the upper end of the first cover body 16 and the upper end of the second cover body 17 are fixed through a clamping piece 25. The protective cover assembly adopted by the invention can move forwards and backwards, is convenient for covering the parts which do not need treatment, and plays a role in protection.

Working principle: the application method of the invention comprises the following steps:

A. firstly, lowering the therapeutic bed body to the bottommost end through a lifting mechanism;

B. then the patient lies on the therapeutic bed body;

C. medical staff moves the protective cover assembly back and forth to the position above the part to be protected, and clamps and fixes the first cover body and the second cover body;

D. then, the lifting mechanism is controlled to ascend, and the lifting mechanism drives the therapeutic bed body to move upwards to the highest point;

E. and then moving and fixing the radiotherapy apparatus to enable the radiotherapy apparatus to be aligned to the radiation part, and finally starting the radiotherapy apparatus to carry out brachytherapy.

In conclusion, the invention has novel structural design and convenient use, can realize the brachytherapy of a patient, can effectively protect the part of the patient which does not need to be treated, and can also improve the treatment efficiency of the patient.

The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the invention does not relate to the improvement of software and a method.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, 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; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A brachytherapy device, includes removal base, treatment couch subassembly and radiotherapy appearance installation component, its characterized in that: the utility model provides a radiation therapy apparatus, including base (1) and universal wheel mechanism (2), universal wheel mechanism (2) install terminal surface under base (1), treatment bed subassembly is installed in base (1) up end, radiation therapy apparatus installation component is including moving support (3) and radiation therapy apparatus body (4), radiation therapy apparatus body (4) are installed in the top face middle part of moving support (3), just place treatment apparatus body (4) and be in directly over the treatment bed subassembly, move support (3) cross-over connection in base (1) up end both sides.

2. A brachytherapy apparatus as defined in claim 1, wherein: the treatment bed assembly comprises a treatment bed body (5) and a lifting mechanism (6), wherein the lifting mechanism (6) is arranged between the treatment bed body (5) and the upper end surface of the seat body (1).

3. A brachytherapy apparatus as defined in claim 2, wherein: elevating system (6) are including first pivot (7), second pivot (8), first support arm (9), second support arm (10) and push-and-pull pneumatic cylinder (11), first pivot (7), second pivot (8) are installed respectively in terminal surface under treatment bed body (5), first pivot (7) are connected to first support arm (9) one end, first slider (12) are connected to first support arm (9) other end, second pivot (8) are connected to second support arm (10) one end, second slider (13) are connected to second support arm (10) other end, transverse slide rail (14) are installed to pedestal (1) up end, first slider (12), second slider (13) slidable mounting in transverse slide rail (14), first support arm (9) and second support arm (10) cross arrangement, and junction mounting pin (15), push-and-pull pneumatic cylinder (11) are installed in pedestal (1), push-and-pull pneumatic cylinder (11) flexible end is connected with first slider (12).

4. A brachytherapy apparatus as defined in claim 2, wherein: the treatment bed is characterized in that a plurality of protective cover assemblies are further arranged on the treatment bed body (5), each protective cover assembly comprises a first cover body (16), a second cover body (17), a first rotating shaft (18), a second rotating shaft (19), a first sliding block (20) and a second sliding block (21), the bottom end of the first cover body (16) is connected with the first sliding block (20) through the first rotating shaft (18), the bottom end of the second cover body (17) is connected with the second sliding block (21) through the second rotating shaft (19), a first sliding groove (23) and a second sliding groove (24) which are connected with the first sliding block (20) and the second sliding block (21) in a sliding mode are respectively arranged on two sides of the upper end face of the treatment bed body (5), and the upper end of the first cover body (16) is fixed with the upper end of the second cover body (17) through a clamping piece (25).

5. A brachytherapy apparatus as defined in claim 1, wherein: the pulley block (26) is further arranged at the bottom end of the movable support (3), pulley grooves (27) are formed in two sides of the upper end face of the base body (1), and the pulley block (26) slides back and forth in the pulley grooves (27).

6. A brachytherapy apparatus as defined in claim 4, wherein: the number of the protective cover components is 2-3.

7. A brachytherapy apparatus as defined in claim 2, wherein: protective rails (28) are also arranged on two sides of the therapeutic bed body (5).

8. A method of using a brachytherapy device of claim 1, wherein: the application method comprises the following steps:

A. firstly, lowering the therapeutic bed body to the bottommost end through a lifting mechanism;

B. then the patient lies on the therapeutic bed body;

C. medical staff moves the protective cover assembly back and forth to the position above the part to be protected, and clamps and fixes the first cover body and the second cover body;

D. then, the lifting mechanism is controlled to ascend, and the lifting mechanism drives the therapeutic bed body to move upwards to the highest point;

E. and then moving and fixing the radiotherapy apparatus to enable the radiotherapy apparatus to be aligned to the radiation part, and finally starting the radiotherapy apparatus to carry out brachytherapy.