CN112933433A - Radiotherapy positioner and radiotherapy device - Google Patents
Radiotherapy positioner and radiotherapy device Download PDFInfo
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- CN112933433A CN112933433A CN202110403794.6A CN202110403794A CN112933433A CN 112933433 A CN112933433 A CN 112933433A CN 202110403794 A CN202110403794 A CN 202110403794A CN 112933433 A CN112933433 A CN 112933433A
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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
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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
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a radiotherapy positioning device and a radiotherapy device, comprising a base; a fixing mechanism is arranged in the center of the top surface of the base; two sides of the top surface of the base are fixedly connected with baffles respectively; the top surface of the baffle is provided with a positioning mechanism; the positioning mechanism comprises two screw rods and an arc-shaped guide rail; two ends of the top surface of the baffle are respectively fixedly connected with a transmission seat; the side surfaces of the two transmission seats positioned on the same side of the two baffles are respectively fixedly connected with a transmission motor; two ends of the arc-shaped guide rail are fixedly connected with the top surfaces of the two shaft sleeves respectively; an arc-shaped rack is fixedly connected to one side face of the arc-shaped guide rail; a radiotherapy mechanism is sleeved outside the arc-shaped guide rail; one side of the positioning plate is connected with the other side of the arc-shaped guide rail in a sliding manner; the other side of the positioning plate is provided with a guide wheel assembly and a transmission gear; a transmission shaft is fixedly connected to the side surface of the transmission gear; the other end of the transmission shaft is in transmission connection with a positioning motor; and a radiotherapy assembly is arranged at the bottom of the positioning plate.
Description
Technical Field
The invention relates to the technical field of radiotherapy, in particular to a radiotherapy positioning device and a radiotherapy device.
Background
Radiotherapy is a therapy for killing malignant tumor by inhibiting its growth by irradiating it with radiation, and is called radiotherapy for short. The basic principle of radiotherapy is to destroy malignant tumors and preserve normal tissue. Ionizing radiation refers to electromagnetic waves or particles that can directly or indirectly produce ionizing effects in matter, and can be generated by artificially accelerating charged particles or by radionuclides.
At present, when radiotherapy is clinically carried out on a patient, each part of the body of the patient needs to be fixed by adopting a body position fixing device, and the irradiated part is prevented from moving when irradiation is carried out, so that the irradiated dose of normal tissues is reduced, and the target area is ensured to be sufficiently irradiated. The selection of the radiotherapy body position not only ensures that the patient obtains the correct treatment body position, but also ensures that the body position is kept unchanged in the irradiation process, and meanwhile, the repeatability of each positioning is also considered. However, the existing body position fixing device is complex to use and generally needs to be implemented according to the actual height and body type of a patient, so that the labor of medical staff is increased; the commonality is relatively poor, even put of same patient position also lacks accurate location, and the repeatability of putting every turn is relatively poor.
Disclosure of Invention
The invention aims to provide a radiotherapy positioning device and a radiotherapy device, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a radiotherapy positioning device and a radiotherapy device, comprising a base; a fixing mechanism is arranged in the center of the top surface of the base; two sides of the top surface of the base are fixedly connected with baffles respectively; the top surface of the baffle is provided with a positioning mechanism;
the fixing mechanism comprises a lifting component; the bottom surface of the lifting component is fixedly connected with the top surface of the base; a radiotherapy plate is fixedly connected to the top surface of the lifting assembly;
the positioning mechanism comprises two screw rods and an arc-shaped guide rail; two ends of the top surface of the baffle are respectively fixedly connected with a transmission seat; the side surfaces of the two transmission seats positioned on the same side of the two baffles are respectively fixedly connected with a transmission motor; one ends of the two screw rods are fixedly connected with output shafts of the two transmission motors respectively; the other ends of the two screws are respectively in rotating connection with the other two transmission seats; the two screw rods are respectively sleeved with a shaft sleeve; two ends of the arc-shaped guide rail are fixedly connected with the top surfaces of the two shaft sleeves respectively; an arc-shaped rack is fixedly connected to one side face of the arc-shaped guide rail; a radiotherapy mechanism is sleeved outside the arc-shaped guide rail;
the radiotherapy mechanism comprises a positioning plate; one side of the positioning plate is connected with the other side of the arc-shaped guide rail in a sliding manner; the other side of the positioning plate is provided with a guide wheel assembly and a transmission gear; the guide wheel assembly is respectively abutted against the top surface and the bottom surface of the arc-shaped guide rail; the transmission gear is arranged in the center of the side surface of the positioning plate; a transmission shaft is fixedly connected to the side surface of the transmission gear; the other end of the transmission shaft is in transmission connection with a positioning motor; the transmission gear is meshed with the arc-shaped rack; and a radiotherapy assembly is arranged at the bottom of the positioning plate.
Preferably, the arranged arc-shaped guide rail can drive the radiotherapy assembly to move horizontally by means of rotation of the screw rod, and the arranged arc-shaped guide rail is matched with the arc-shaped rack, so that the angle of the radiotherapy assembly can be adjusted, and the arc-shaped guide rail and the arc-shaped rack are matched with each other to realize circumferential angle adjustment when the radiotherapy is performed on a human body; the radiotherapy board can carry out lift adjustment under lifting unit's effect, and the targeted radiotherapy in no dead angle can be realized to cooperation arc guide rail.
The lifting assembly comprises a transmission lead screw; the number of the transmission screw rods is multiple; one end of the transmission screw rod is rotatably connected with the base, and a lifting gear is sleeved at the bottom of the peripheral wall of the transmission screw rod; the bottom surface of the radiotherapy plate is fixedly connected with a plurality of lifting cylinders; the top surface of the lifting cylinder is fixedly connected with the bottom surface of the radiotherapy plate; the other end of the transmission screw rod is connected with the inner wall of the lifting cylinder through threads; the base center sets up drive assembly.
Preferably, set up the area of being connected that a plurality of drive screw and a lift section of thick bamboo cooperation have increased lifting unit and radiotherapy board, make the lift process of radiotherapy board more stable.
The drive assembly includes a drive shaft; a driving groove is formed in the center of the top surface of the base; a driving motor is fixedly connected to the bottom of the driving groove; one end of the driving shaft is in transmission connection with the driving motor; the other end of the driving shaft is fixedly connected with a driving gear; the driving gear is meshed with the lifting gear.
Preferably, the arranged driving gear is meshed with the lifting gears, so that the transmission screw rods rotate in the same direction.
The guide wheel assembly comprises a guide shaft; four guide shafts are arranged, and the guide shafts are symmetrical in pairs; one end of the guide shaft is rotatably connected with the positioning plate; and the other end of the guide shaft is fixedly connected with a guide wheel.
Preferably, the guide wheel assembly is arranged to adopt a plurality of guide shafts to be matched with the guide wheels, so that the stable movement of the radiotherapy mechanism is enhanced; the radiotherapy mechanism can be tightly fed by adopting the mutual meshing of the driving gear and the arc-shaped rack.
The two guide shafts positioned at the top of the positioning plate are in sliding connection with the top surfaces of the arc-shaped guide rails; the two guide shafts positioned at the bottom of the positioning plate are in sliding connection with the bottom surface of the arc-shaped guide rail; the side surface of the guide wheel is in sliding connection with the side surface of the arc-shaped guide rail.
One side surface of the radiotherapy plate is of an arc-shaped structure; the top surface of the radiotherapy plate is provided with an adjusting mechanism.
A radiotherapy apparatus comprising the positioning apparatus of any one of claims 1-6, further comprising: a fine adjustment rod; a fine adjustment motor is fixedly connected to the side surface of the positioning plate; one end of the fine adjustment rod is fixedly connected with the fine adjustment motor; the other end of the fine adjustment rod is fixedly connected with a radiotherapy seat; a radiotherapy probe is fixedly connected to the bottom surface of the radiotherapy seat;
the positioning device moves back and forth along the screw direction to control the radiotherapy device to move along the height direction of the human body; the guide wheel assembly moves circumferentially along the arc-shaped guide rail to control the radiotherapy device to rotate along the circumference direction of the human body; the fine adjustment rod in the radiotherapy device drives the radiotherapy probe to rotate; the driving motor drives the driving shaft to rotate; the driving shaft drives the driving gear to rotate; the lifting gear meshed with the driving gear rotates along with the lifting gear; the lifting screw rods synchronously rotate to enable the lifting cylinder to lift; the radiotherapy plate positioned on the top surface of the lifting cylinder is lifted.
Preferably, the radiotherapy probe is arranged to rotate according to the fine adjustment motor, so that the rotation of the radiotherapy probe is realized, the flexibility of the human body during radiotherapy is enhanced, and the dead angle position is completely removed.
The invention discloses the following technical effects: the arc-shaped guide rail can drive the radiotherapy assembly to move horizontally by means of rotation of the screw rod, and the arc-shaped guide rail is matched with the arc-shaped rack, so that the angle of the radiotherapy assembly can be adjusted, and the arc-shaped guide rail and the arc-shaped rack are matched with each other to realize circumferential angle adjustment when the human body is subjected to radiotherapy; the radiotherapy plate can be lifted and adjusted under the action of the lifting assembly, and the targeted radiotherapy without dead angles can be realized by matching with the arc-shaped guide rail; the guide wheel assembly is arranged, and a plurality of guide shafts are matched with the guide wheels, so that the stable movement of the radiotherapy mechanism is enhanced; the radiotherapy mechanism can be tightly fed by adopting the mutual meshing of the driving gear and the arc-shaped rack. The radiotherapy probe is arranged to rotate according to the fine adjustment motor, so that the rotation of the radiotherapy probe is realized, the flexibility of the human body during radiotherapy is enhanced, and the dead angle position is completely removed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic structural view of the idler assembly of the present invention.
Fig. 5 is a schematic structural diagram of the lifting assembly of the present invention.
Fig. 6 is an enlarged view of a portion of a1 of the present invention.
Fig. 7 is an enlarged view of a portion of a2 of the present invention.
Wherein, 1-a base, 2-a baffle, 3-a radiotherapy plate, 4-a screw, 5-an arc guide rail, 6-a transmission seat, 7-a transmission motor, 8-a shaft sleeve, 9-an arc rack, 10-a positioning plate, 11-a transmission gear, 12-a transmission shaft, 13-a positioning motor, 14-a transmission screw, 15-a lifting gear, 16-a lifting cylinder, 17-a driving shaft, 18-a driving groove, 19-a driving motor, 20-a driving gear, 21-a guiding shaft, 22-a guiding wheel, 23-a fine adjustment rod, 24-a fine adjustment motor, 25-a radiotherapy seat, 26-a radiotherapy probe, 27-a stretching plate, 28-a stretching motor, 29-a stretching rod, 30-a connecting block and 31-a stretching seat, 32-auxiliary seat, 33-clamping roller, 34-clamping ring, 35-adjusting plate, 36-guiding through hole, 37-guiding motor, 38-guiding screw, 39-guiding cylinder, 40-elastic motor seat, 41-elastic motor and 42-elastic roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a radiotherapy positioning device and a radiotherapy device, comprising a base 1; a fixing mechanism is arranged in the center of the top surface of the base 1; two sides of the top surface of the base 1 are fixedly connected with baffle plates 2 respectively; the top surface of the baffle 2 is provided with a positioning mechanism;
the fixing mechanism comprises a lifting component; the bottom surface of the lifting component is fixedly connected with the top surface of the base 1; the top surface of the lifting component is fixedly connected with a radiotherapy plate 3;
the positioning mechanism comprises two screw rods 4 and an arc-shaped guide rail 5; two ends of the top surface of the baffle 2 are respectively fixedly connected with a transmission seat 6; the side surfaces of the two transmission seats 6 positioned on the same side of the two baffles 2 are respectively fixedly connected with a transmission motor 7; one ends of the two screw rods 4 are fixedly connected with output shafts of the two transmission motors 7 respectively; the other ends of the two screws 4 are respectively in rotary connection with the other two transmission seats 6; the two screw rods 4 are respectively sleeved with a shaft sleeve 8; two ends of the arc-shaped guide rail 5 are fixedly connected with the top surfaces of the two shaft sleeves 8 respectively; an arc rack 9 is fixedly connected to one side surface of the arc guide rail 5; a radiotherapy mechanism is sleeved outside the arc-shaped guide rail 5;
the radiotherapy mechanism comprises a positioning plate 10; one side of the positioning plate 10 is slidably connected with the other side of the arc-shaped guide rail 5; the other side of the positioning plate 10 is provided with a guide wheel assembly and a transmission gear 11; the guide wheel assemblies are respectively abutted against the top surface and the bottom surface of the arc guide rail 5; the transmission gear 11 is arranged in the center of the side surface of the positioning plate 10; a transmission shaft 12 is fixedly connected to the side surface of the transmission gear 11; the other end of the transmission shaft 12 is in transmission connection with a positioning motor 13; the transmission gear 11 is meshed with the arc-shaped rack 9; the bottom of the positioning plate 10 is provided with a radiotherapy assembly.
The lifting assembly comprises a drive screw 14; the number of the transmission screw rods 14 is several; one end of the transmission screw 14 is rotatably connected with the base 1, and the bottom of the peripheral wall of the transmission screw 14 is sleeved with a lifting gear 15; a plurality of lifting cylinders 16 are fixedly connected to the bottom surface of the radiotherapy plate 3; the top surface of the lifting cylinder 16 is fixedly connected with the bottom surface of the radiotherapy plate 3; the other end of the transmission screw 14 is connected with the inner wall of the lifting cylinder 16 through threads; the base 1 is centrally provided with a driving component.
The drive assembly comprises a drive shaft 17; a driving groove 18 is formed in the center of the top surface of the base 1; a driving motor 19 is fixedly connected at the bottom of the driving groove 18; one end of the driving shaft 17 is in transmission connection with the driving motor 19; the other end of the driving shaft 17 is fixedly connected with a driving gear 20; the driving gear 20 is engaged with the elevating gear 15.
The guide wheel assembly comprises a guide shaft 21; four guide shafts 21 are arranged, and the guide shafts 21 are symmetrical in pairs; one end of the guide shaft 21 is rotatably connected with the positioning plate 10; the other end of the guide shaft 21 is fixedly connected with a guide wheel 22.
The two guide shafts 21 positioned at the top of the positioning plate 10 are in sliding connection with the top surfaces of the arc-shaped guide rails 5; the two guide shafts 21 positioned at the bottom of the positioning plate 10 are in sliding connection with the bottom surface of the arc-shaped guide rail 5; the side surface of the guide wheel 22 is in sliding connection with the side surface of the arc-shaped guide rail 5.
One side surface of the radiotherapy plate 3 is of an arc-shaped structure; and the top surface of the radiotherapy plate 3 is provided with an adjusting mechanism.
A radiotherapy apparatus comprising the positioning apparatus of any one of claims 1-6, further comprising: a fine adjustment lever 23; a fine adjustment motor 24 is fixedly connected to the side surface of the positioning plate 10; one end of the fine adjustment rod 23 is fixedly connected with the fine adjustment motor 24; the other end of the fine adjustment rod 23 is fixedly connected with a radiotherapy seat 25; a radiotherapy probe 26 is fixedly connected to the bottom surface of the radiotherapy seat 25;
the positioning device moves back and forth along the direction of the screw rod 4 to control the radiotherapy device to move along the height direction of the human body; the guide wheel assembly moves circumferentially along the arc-shaped guide rail 5 to control the radiotherapy device to rotate along the circumference direction of the human body; the fine adjustment rod 23 in the radiotherapy device drives the radiotherapy probe 26 to rotate; the driving motor 19 drives the driving shaft 17 to rotate; the driving shaft 17 drives the driving gear 20 to rotate; the lifting gear 15 engaged with the driving gear 20 rotates therewith; the plurality of lifting screw rods 14 synchronously rotate to lift the lifting cylinder 16; the radiotherapy plate 3 positioned on the top surface of the lifting cylinder 16 is lifted.
Example 1
Two adjusting mechanisms are arranged; the two adjusting mechanisms are respectively arranged at two sides of the radiotherapy plate 3; the adjustment mechanism comprises a tension plate 27; two stretching plates 27 are arranged; the two stretching plates 27 are fixedly connected with two side surfaces of the radiotherapy plate 3 respectively; a stretching motor 28 is fixedly connected to the center of the top surface of the stretching plate 27; the output shaft of the stretching motor 28 is connected with a stretching rod 29 in a transmission way; one end of the stretching rod 29 is fixedly connected with a connecting block 30; a stretching seat 31 is fixedly connected to the bottom surface of the connecting block 30; one side of the stretching seat 31 is an arc-shaped surface; the arc surface of the stretching seat 31 is matched with the arc surface of the radiotherapy plate 3; an auxiliary seat 32 is fixedly connected with the side surface opposite to the arc surface of the radiotherapy plate 3; the auxiliary seat 32 and the side surface of the stretching seat 31 are both provided with clamping roller sets; the clamping roller group comprises two clamping rollers 33; the circumferential surfaces of the two clamping rollers 33 are provided with a plurality of convex blocks, and the outer walls of the two clamping rollers 33 are abutted; one side surfaces of the two clamping rollers 33 positioned on the same side are respectively and rotatably connected with the side surfaces of the stretching seat 31 and the auxiliary seat 32; the other side surface of the clamping roller 33 is provided with an eccentric hole; the eccentric holes of the two abutted clamping rollers 33 are detachably connected with clamping rings 34;
the two clamping roller sets can clamp and fix the two sides of the positioning film soaked by hot water, and the two clamping rollers 33 are adopted to facilitate clamping and fixing of the positioning film; after the clamping is finished, the clamping ring 34 is used for positioning, and the movable clamping roller set stretches the positioning film towards the other side of the radiotherapy plate 3 after the stretching motor 28 is started, so that the positioning film covers the head or the trunk of the patient; the arc-shaped surface of the stretching seat 31 enables the stretching seat 31 and the side surface of the radiotherapy plate 3 to be convenient for attaching.
Example 2
An adjusting plate 35 is fixedly connected to the side surface of the stretching plate 27; a guide through hole 36 is formed in the side surface of the adjusting plate 35; two guide motors 37 are fixedly connected to the side surfaces of the adjusting plate 35; the output of the two guide motors 37 is in transmission connection with one end of a guide screw 38; the other end of the guide screw 38 is provided with a guide cylinder 39; the guide screw 38 is connected with the inner wall of the guide cylinder 39 through threads; an elastic motor seat 40 is fixedly connected to the side surface of the guide cylinder 39; a tension motor 41 is fixedly connected to the side surface of the tension motor base 40; an output shaft of the elastic motor 41 penetrates through the elastic motor base 40 and is in transmission connection with an elastic roller 42 through the guide through hole 36;
the elastic roller 42 may fix the attached positioning film; and the two elastic rollers 42 can reduce the gaps at the two sides of the positioning film after moving towards the center, so that the positioning film is more attached to the human body and the radiotherapy plate 3 to enhance the fixing effect of the human body; after the elastic roller 42 fixes the positioning film, the clamping ring 34 is removed, so that the positioning film is separated from the clamping roller 33; the elastic motor 41 rotates the elastic roller 42 to adjust the stretching degree of the positioning film, so that the patient is not pressed after the positioning film is shaped.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. A radiotherapy positioning device is characterized by comprising a base (1); a fixing mechanism is arranged at the center of the top surface of the base (1); two sides of the top surface of the base (1) are fixedly connected with baffle plates (2) respectively; the top surface of the baffle (2) is provided with a positioning mechanism;
the fixing mechanism comprises a lifting component; the bottom surface of the lifting component is fixedly connected with the top surface of the base (1); a radiotherapy plate (3) is fixedly connected to the top surface of the lifting component;
the positioning mechanism comprises two screw rods (4) and an arc-shaped guide rail (5); two ends of the top surface of the baffle (2) are respectively fixedly connected with a transmission seat (6); the side surfaces of the two transmission seats (6) positioned at the same side of the two baffles (2) are respectively fixedly connected with a transmission motor (7); one ends of the two screw rods (4) are fixedly connected with output shafts of the two transmission motors (7) respectively, and the other ends of the two screw rods (4) are rotatably connected with the other two transmission seats (6) respectively; the two screw rods (4) are respectively sleeved with a shaft sleeve (8); two ends of the arc-shaped guide rail (5) are fixedly connected with the top surfaces of the two shaft sleeves (8) respectively; an arc rack (9) is fixedly connected to one side surface of the arc guide rail (5); a radiotherapy mechanism is sleeved outside the arc-shaped guide rail (5);
the radiotherapy mechanism comprises a positioning plate (10); one side of the positioning plate (10) is in sliding connection with the other side of the arc-shaped guide rail (5); the other side of the positioning plate (10) is provided with a guide wheel assembly and a transmission gear (11); the guide wheel assemblies are respectively abutted against the top surface and the bottom surface of the arc-shaped guide rail (5); the transmission gear (11) is arranged in the center of the side face of the positioning plate (10); a transmission shaft (12) is fixedly connected to the side surface of the transmission gear (11); the other end of the transmission shaft (12) is in transmission connection with a positioning motor (13); the transmission gear (11) is meshed with the arc-shaped rack (9); and a radiotherapy assembly is arranged at the bottom of the positioning plate (10).
2. A radiotherapy positioning apparatus according to claim 1, in which: the lifting assembly comprises a drive screw (14); the number of the transmission screw rods (14) is multiple; one end of the transmission screw rod (14) is rotatably connected with the base (1), and a lifting gear (15) is sleeved at the bottom of the peripheral wall of the transmission screw rod (14); a plurality of lifting cylinders (16) are fixedly connected to the bottom surface of the radiotherapy plate (3); the top surface of the lifting cylinder (16) is fixedly connected with the bottom surface of the radiotherapy plate (3); the other end of the transmission screw rod (14) is connected with the inner wall of the lifting cylinder (16) through threads; the center of the base (1) is provided with a driving component.
3. A radiotherapy positioning apparatus according to claim 2, in which: the drive assembly comprises a drive shaft (17); a driving groove (18) is formed in the center of the top surface of the base (1); a driving motor (19) is fixedly connected to the bottom of the driving groove (18); one end of the driving shaft (17) is in transmission connection with the driving motor (19); the other end of the driving shaft (17) is fixedly connected with a driving gear (20); the driving gear (20) is meshed with the lifting gear (15).
4. A radiotherapy positioning apparatus according to claim 1, in which: the guide wheel assembly comprises a guide shaft (21); four guide shafts (21) are arranged, and the guide shafts (21) are symmetrical in pairs; one end of the guide shaft (21) is rotatably connected with the positioning plate (10); the other end of the guide shaft (21) is fixedly connected with a guide wheel (22).
5. A radiotherapy positioning apparatus according to claim 4, in which: the two guide shafts (21) positioned at the top of the positioning plate (10) are in sliding connection with the top surfaces of the arc-shaped guide rails (5); the two guide shafts (21) positioned at the bottom of the positioning plate (10) are in sliding connection with the bottom surface of the arc-shaped guide rail (5); the side surface of the guide wheel (22) is in sliding connection with the side surface of the arc-shaped guide rail (5).
6. A radiotherapy positioning apparatus according to claim 1, in which: one side surface of the radiotherapy plate (3) is of an arc-shaped structure; the top surface of the radiotherapy plate (3) is provided with an adjusting mechanism.
7. Radiotherapy apparatus comprising a positioning device according to any one of claims 1 to 6, further comprising: a fine adjustment lever (23); a fine adjustment motor (24) is fixedly connected to the side surface of the positioning plate (10); one end of the fine adjustment rod (23) is in transmission connection with the fine adjustment motor (24); the other end of the fine adjustment rod (23) is fixedly connected with a radiotherapy seat (25); a radiotherapy probe (26) is fixedly connected to the bottom surface of the radiotherapy seat (25);
the positioning device moves back and forth along the direction of the screw (4) to control the radiotherapy device to move along the height direction of the human body; the guide wheel assembly moves circumferentially along the arc-shaped guide rail (5) to control the radiotherapy device to rotate along the circumference direction of a human body; the fine adjustment rod (23) in the radiotherapy device drives the radiotherapy probe (26) to rotate; the driving motor (19) drives the driving shaft (17) to rotate; the driving shaft (17) drives the driving gear (20) to rotate; the lifting gear (15) which is meshed with the driving gear (20) rotates along with the lifting gear; the lifting screw rods (14) synchronously rotate to enable the lifting cylinder (16) to lift; the radiotherapy plate (3) positioned on the top surface of the lifting cylinder (16) is lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403794.6A CN112933433A (en) | 2021-04-15 | 2021-04-15 | Radiotherapy positioner and radiotherapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403794.6A CN112933433A (en) | 2021-04-15 | 2021-04-15 | Radiotherapy positioner and radiotherapy device |
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| Publication Number | Publication Date |
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| CN112933433A true CN112933433A (en) | 2021-06-11 |
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| CN202110403794.6A Pending CN112933433A (en) | 2021-04-15 | 2021-04-15 | Radiotherapy positioner and radiotherapy device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159700A (en) * | 2021-12-02 | 2022-03-11 | 浙江通用海特医疗科技有限公司 | Infrared thermotherapy equipment and infrared thermotherapy scheme optimizing system |
| CN114654709A (en) * | 2022-03-23 | 2022-06-24 | 四川绵阳四0四医院 | Thermoplastic film prestretching auxiliary device for fixed head, neck and shoulder radiotherapy |
| CN114714608A (en) * | 2022-03-23 | 2022-07-08 | 四川绵阳四0四医院 | A automatic preforming device of thermoplastic film for being directed at head radiotherapy |
-
2021
- 2021-04-15 CN CN202110403794.6A patent/CN112933433A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159700A (en) * | 2021-12-02 | 2022-03-11 | 浙江通用海特医疗科技有限公司 | Infrared thermotherapy equipment and infrared thermotherapy scheme optimizing system |
| CN114654709A (en) * | 2022-03-23 | 2022-06-24 | 四川绵阳四0四医院 | Thermoplastic film prestretching auxiliary device for fixed head, neck and shoulder radiotherapy |
| CN114714608A (en) * | 2022-03-23 | 2022-07-08 | 四川绵阳四0四医院 | A automatic preforming device of thermoplastic film for being directed at head radiotherapy |
| CN114654709B (en) * | 2022-03-23 | 2024-02-06 | 四川绵阳四0四医院 | Thermoplastic film prestretching auxiliary device for fixing head, neck and shoulder radiotherapy |
| CN114714608B (en) * | 2022-03-23 | 2024-02-09 | 四川绵阳四0四医院 | A automatic preforming device of thermoplastic film for being directed at head radiotherapy |
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