CN111803808A - Radiotherapy positioner of nasopharyngeal carcinoma tumour - Google Patents
Radiotherapy positioner of nasopharyngeal carcinoma tumour Download PDFInfo
- Publication number
- CN111803808A CN111803808A CN202010711664.4A CN202010711664A CN111803808A CN 111803808 A CN111803808 A CN 111803808A CN 202010711664 A CN202010711664 A CN 202010711664A CN 111803808 A CN111803808 A CN 111803808A
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- China
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- fixedly connected
- rod
- sliding
- side wall
- nasopharyngeal carcinoma
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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
-
- 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
Abstract
The invention discloses a radiotherapy positioning device for nasopharyngeal carcinoma tumors, which relates to the field of medical instruments and comprises a base, wherein the side wall of the upper end of the base is provided with a sliding groove, a threaded rod is connected in the sliding groove in a rotating manner, a servo motor is installed in the base, the tail end of an output shaft of the servo motor is fixedly connected with the end part of the threaded rod, the outer side wall of the threaded rod is in threaded connection with two threaded sleeves, the upper ends of the two threaded sleeves are fixedly connected with a movable plate, one side opposite to the two movable plates is provided with a sliding groove, the inner side walls of the two sliding grooves are both in sliding connection with a sliding block, and through the matching use of the threaded rod, the threaded sleeves, a rotating rod, a connecting plate, a first cushion pad, a first arc-shaped plate and a driving motor, the clamping fixation of the, effectively improving the comfort of the patient.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a radiotherapy positioning device for nasopharyngeal carcinoma tumors.
Background
Nasopharyngeal carcinoma refers to a malignant tumor that occurs in the top and side walls of the nasopharyngeal cavity. Is one of high-incidence malignant tumors in China, and the incidence rate of the malignant tumors is the first of the malignant tumors of ear, nose and throat. The common clinical symptoms are nasal obstruction, blood in nasal discharge, ear obstruction, hearing loss, double vision, headache and the like. Nasopharyngeal carcinoma is mostly of moderate sensitivity to radiotherapy, which is the first choice for treatment of nasopharyngeal carcinoma. However, surgical resection and chemotherapy are indispensable for the cases of more differentiated cancers, later disease course and relapse after radiotherapy;
in-process to carrying out the chemotherapy to nasopharyngeal darcinoma, need fix a position the patient usually, avoid the patient to take place to remove and influence chemotherapy work, traditional mode is the location work of realizing the patient through two clamp plates, this kind of mode neither can adjust work according to patient head size effectively, also can not press from both sides the clamp completely to patient's head simultaneously, traditional mode is because highly can not adjust simultaneously, and then cause patient's uncomfortable to feel easily, for this reason, the radiotherapy positioner who provides a nasopharyngeal darcinoma tumour solves above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a radiotherapy positioning device for nasopharyngeal carcinoma tumors.
In order to achieve the purpose, the invention adopts the following technical scheme:
a radiotherapy positioning device for nasopharyngeal carcinoma tumors comprises a base, wherein a sliding groove is formed in the side wall of the upper end of the base, a threaded rod is rotationally connected in the sliding groove, a servo motor is installed in the base, the tail end of an output shaft of the servo motor is fixedly connected with the end part of the threaded rod, the outer side wall of the threaded rod is in threaded connection with two threaded sleeves, the upper ends of the two threaded sleeves are fixedly connected with a movable plate, one opposite sides of the two movable plates are respectively provided with a sliding groove, the inner side walls of the two sliding grooves are respectively in sliding connection with a sliding block, one sides of the two connecting blocks, far away from the sliding grooves, are respectively and fixedly connected with a connecting block, the two connecting blocks are respectively and rotatably connected with the corresponding threaded sleeves through a rotating rod, the upper ends of the two movable plates are respectively and fixedly connected with a, the upper ends of the two first arc-shaped plates are fixedly connected with first cushion pads, and the upper ends of the two movable plates are fixedly provided with positioning mechanisms.
Preferably, positioning mechanism includes the collar of fixed mounting on the movable plate lateral wall, the sliding tray has been seted up in the collar, sliding connection has the carriage release lever on the sliding tray, the one end fixedly connected with pull rod of carriage release lever, a plurality of constant head tanks have been seted up to the lateral wall of carriage release lever, fixing mechanism is installed to the lateral wall of collar, fixing mechanism's tip offsets tightly with the inside wall of constant head tank, the tip fixedly connected with second arc of carriage release lever, the inside wall of second arc is provided with the second blotter, the lateral wall fixedly connected with chucking mechanism of collar, one side fixedly connected with ratchet strip that the movable plate was kept away from to the second arc.
Preferably, the fixing mechanism comprises a fixing cavity formed in the side wall of the mounting ring, a positioning rod is connected in the fixing cavity in a sliding mode, the end portion of the positioning rod is abutted to the inner side wall of the positioning groove, a first spring is sleeved on the outer side wall of the positioning rod, and a handle is fixedly connected to the end portion of the positioning rod.
Preferably, the clamping mechanism includes the slip ring of fixed connection on the collar side wall, the inside wall sliding connection of slip ring has the sliding block, the tip fixedly connected with connecting rod of sliding block, the clamping groove has been seted up to the upper end lateral wall of sliding block, the bolt is installed to the slip ring, the bolt supports tightly with the clamping groove mutually.
Preferably, the inner diameter of the threaded sleeve is larger than the outer diameter of the threaded rod, and the inner thread of the threaded sleeve is matched with the outer thread of the threaded rod.
Preferably, the two rotating rods are rotatably connected through a rotating hinge.
Preferably, the outer side wall of the bolt is provided with a non-slip pad, and the non-slip pad is abutted against the sliding ring.
Preferably, the first spring is in a stretched state, and the first spring is made of a stainless steel material.
The invention has the beneficial effects that: according to the invention, the threaded rod, the threaded sleeve, the rotating rod, the connecting plate, the first cushion pad, the first arc-shaped plate and the driving motor are used in a matched manner, so that the head position of the human body is clamped and fixed, the height of the head position of the human body is adjusted, and the comfort level of a patient is effectively improved;
through the pull rod, the collar, the installation pole, the locating lever, the connecting rod, the sliding block, the slip ring, the bolt, the ratchet strip, cooperation between the fixed establishment is used, when removing fixed establishment, can lose the limiting displacement to the constant head tank, later the slip movable rod slides, the regulation work to the movable rod height has been realized, when extracting the bolt, rotate the second arc, can realize the regulation work to second arc angle, and then realized the tight work of clamp to human head, pertinence has realized the tight work of clamp to the head of not unidimensional size, avoid the condition that the head takes place to rock effectively.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged view of a portion A of the present invention.
Fig. 3 is an enlarged view of part B of the present invention.
Fig. 4 is an enlarged view of the portion C of the present invention.
Fig. 5 is a perspective view of the connecting plate and the first arc-shaped plate of the present invention.
Reference numbers in the figures: the device comprises a base 1, a sliding groove 2, a thread bush 3, a threaded rod 4, a servo motor 5, a rotating rod 6, a connecting plate 7, a first cushion pad 8, a first arc-shaped plate 9, a sliding groove 10, a sliding block 11, a connecting block 12, a pull rod 13, a moving plate 14, a positioning groove 15, a sliding groove 16, a positioning rod 17, a handle 18, a mounting ring 19, a first spring 20, a positioning rod 21, a second arc-shaped plate 22, a ratchet bar 23, a second cushion pad 24, a sliding ring 25, a sliding block 26, a connecting rod 27, a bolt 28, a mounting rod 29 and a moving rod 30.
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.
Referring to fig. 1-5, a radiotherapy positioning device for nasopharyngeal carcinoma tumor comprises a base 1, a sliding groove 2 is formed on the upper end side wall of the base 1, a threaded rod 4 is rotatably connected in the sliding groove 2, a servo motor 5 is installed in the base 1, the end of an output shaft of the servo motor 5 is fixedly connected with the end part of the threaded rod 4, two thread sleeves 3 are in threaded connection with the outer side wall of the threaded rod 4, the inner diameter of each thread sleeve 3 is larger than the outer diameter of the threaded rod 4, the inner threads of the thread sleeves 3 are matched with the outer threads of the threaded rod 4, a movable plate 14 is fixedly connected with the upper ends of the two thread sleeves 3, sliding grooves 10 are formed on the opposite sides of the two movable plates 14, sliding blocks 11 are slidably connected with the inner side walls of the two sliding grooves 10, connecting blocks 12 are fixedly connected with the sides far away from the sliding grooves 10, the two rotating rods 6 are rotatably connected through the rotating pivot, so that the normal operation of lifting is ensured;
the upper ends of the two moving plates 14 are fixedly connected with first arc-shaped plates 9, the end parts of the two first arc-shaped plates 9 are fixedly connected with connecting plates 7, the upper ends of the two first arc-shaped plates 9 are fixedly connected with first cushion pads 8, the upper ends of the two moving plates 14 are fixedly provided with positioning mechanisms, each positioning mechanism comprises a mounting ring 19 fixedly mounted on the side wall of the corresponding moving plate 14, a sliding groove 16 is formed in each mounting ring 19, a moving rod 30 is slidably connected onto each sliding groove 16, one end of each moving rod 30 is fixedly connected with a pull rod 13, the side wall of each moving rod 30 is provided with a plurality of positioning grooves 15, and a fixing mechanism is mounted on the side wall of each;
the fixing mechanism comprises a fixing cavity arranged on the side wall of the mounting ring 19, a positioning rod 17 is connected in the fixing cavity in a sliding manner, the end part of the positioning rod 17 is abutted against the inner side wall of the positioning groove 15, a first spring 20 is sleeved on the outer side wall of the positioning rod 17, the first spring 20 is in a stretching state, the first spring 20 is made of stainless steel, the end part of the positioning rod 17 is fixedly connected with a handle 18, the end part of the fixing mechanism is abutted against the inner side wall of the positioning groove 15, a second arc-shaped plate 22 is fixedly connected with the end part of the moving rod 30, a second cushion pad 24 is arranged on the inner side wall of the second arc-shaped plate 22, a clamping mechanism is fixedly connected with the side wall of the mounting ring 19 and comprises a sliding ring 25 fixedly connected on the side wall of the mounting ring 19, the inner side wall of the sliding ring 25, the slip ring 25 is provided with a bolt 28, the bolt 28 is abutted against the clamping groove, the outer side wall of the bolt 28 is provided with a non-slip pad, the non-slip pad is abutted against the slip ring 25, and one side of the second arc-shaped plate 22 far away from the moving plate 14 is fixedly connected with a ratchet bar 23.
The working principle is as follows: when in use, firstly, the head size of a patient needs to be adjusted, and the adjustment work is as follows;
the method comprises the following steps that firstly, a servo motor 5 is started, the servo motor 5 drives a threaded rod 4 to rotate, the threaded sleeves 3 are in threaded connection with the threaded rod 4, meanwhile, the sliding grooves 2 limit the threaded sleeves 3, so that the two threaded sleeves 3 move relatively or oppositely, when the two threaded sleeves 3 move relatively, the rotating rod 6 is supported, in the supporting process of the rotating rod 6, a connecting block 12 is driven to move upwards, in the upward movement process of the connecting block 12, the sliding block 11 moves upwards synchronously, and further, the angle and the height of the two connecting plates 7 are adjusted;
then the head position of the patient is placed on the position of the first cushion pad 8, the upper end position of the head of the patient needs to be clamped at the moment, the situation that the patient shakes in the chemotherapy process is avoided, the chemotherapy work of the patient is further influenced, the adjustment work is as follows, firstly, the handle 18 is pulled to move, the handle 18 is driven to synchronously move in the moving process, the limiting effect on the positioning groove 15 is lost in the moving process of the positioning rod 17, then, the second arc-shaped plate 22 is pulled to move, the position of the second cushion pad 24 is adjusted in the moving process of the second arc-shaped plate 22, when the position is adjusted to a proper position, the clamping work on the head of the patient is realized, the mounting rod 29 rotates along with the second arc-shaped plate 22, the ratchet wheel strip 23 moves upwards, because the positioning rod 21 is rotatably connected with the mounting ring 19, can realize its rotation work, realize the regulation work to second arc 22 angle, and then can freely adjust according to the size of different patient's head sizes, because ratchet bar 23's structure sets up, realized the fixed work (utilized the principle of location ratchet) to second arc 22, after the location work was accomplished, need carry out chemotherapy work to patient's nasopharyngeal darcinoma.
In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a radiotherapy positioner of nasopharyngeal carcinoma tumour, includes base (1), its characterized in that, sliding tray (2) have been seted up to the upper end lateral wall of base (1), sliding tray (2) internal rotation is connected with threaded rod (4), install servo motor (5) in base (1), the end of output shaft of servo motor (5) and the tip fixed connection of threaded rod (4), the lateral wall threaded connection of threaded rod (4) has two thread bush (3), two the equal fixedly connected with movable plate (14) in upper end of thread bush (3), two sliding tray (10), two have all been seted up to one side that movable plate (14) is relative sliding tray (10) the equal sliding connection of inside wall of sliding tray (10) has (11), two keep away from the equal fixedly connected with connecting block (12) in one side of sliding tray (10), two connecting block (12) all change rather than through dwang (6) between the thread bush (3) that correspond through dwang (6) The movable connection is characterized in that the movable connection is two, the upper end of the movable plate (14) is fixedly connected with a first arc-shaped plate (9), the end part of the first arc-shaped plate (9) is fixedly connected with a connecting plate (7), the upper end of the first arc-shaped plate (9) is fixedly connected with a first cushion pad (8), and the upper end of the movable plate (14) is fixedly provided with a positioning mechanism.
2. The radiotherapy positioning device for nasopharyngeal carcinoma tumor according to claim 1, wherein the positioning mechanism comprises a mounting ring (19) fixedly mounted on the sidewall of the moving plate (14), a sliding groove (16) is formed in the mounting ring (19), a moving rod (30) is slidably connected on the sliding groove (16), a pull rod (13) is fixedly connected at one end of the moving rod (30), a plurality of positioning grooves (15) are formed in the sidewall of the moving rod (30), a fixing mechanism is mounted on the sidewall of the mounting ring (19), the end of the fixing mechanism abuts against the inner sidewall of the positioning grooves (15), a second arc-shaped plate (22) is fixedly connected at the end of the moving rod (30), a second cushion (24) is arranged on the inner sidewall of the second arc-shaped plate (22), and a clamping mechanism is fixedly connected on the sidewall of the mounting ring (19), one side of the second arc-shaped plate (22) far away from the moving plate (14) is fixedly connected with a ratchet bar (23).
3. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 2, wherein the fixing mechanism comprises a fixing cavity formed in the side wall of the mounting ring (19), a positioning rod (17) is slidably connected in the fixing cavity, the end of the positioning rod (17) abuts against the inner side wall of the positioning groove (15), a first spring (20) is sleeved on the outer side wall of the positioning rod (17), and a handle (18) is fixedly connected to the end of the positioning rod (17).
4. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 2, wherein the clamping mechanism comprises a sliding ring (25) fixedly connected to the side wall of the mounting ring (19), a sliding block (26) is slidably connected to the inner side wall of the sliding ring (25), a connecting rod (27) is fixedly connected to the end of the sliding block (26), a clamping groove is formed in the side wall of the upper end of the sliding block (26), a plug pin (28) is mounted on the sliding ring (25), and the plug pin (28) abuts against the clamping groove.
5. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 1, wherein the inner diameter of the threaded sleeve (3) is larger than the outer diameter of the threaded rod (4), and the inner thread of the threaded sleeve (3) is matched with the outer thread of the threaded rod (4).
6. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 1, wherein the two rotation rods (6) are pivotally connected to each other by a pivot.
7. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 4, wherein the outer side wall of the plug pin (28) is provided with a non-slip pad, and the non-slip pad abuts against the sliding ring (25).
8. The radiotherapy positioning device for nasopharyngeal carcinoma tumors according to claim 3, wherein said first spring (20) is in a stretched state, and said first spring (20) is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711664.4A CN111803808B (en) | 2020-07-22 | 2020-07-22 | Radiotherapy positioner of nasopharyngeal carcinoma tumour |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711664.4A CN111803808B (en) | 2020-07-22 | 2020-07-22 | Radiotherapy positioner of nasopharyngeal carcinoma tumour |
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| Publication Number | Publication Date |
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| CN111803808A true CN111803808A (en) | 2020-10-23 |
| CN111803808B CN111803808B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010711664.4A Active CN111803808B (en) | 2020-07-22 | 2020-07-22 | Radiotherapy positioner of nasopharyngeal carcinoma tumour |
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Cited By (1)
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|---|---|---|---|---|
| CN112674788A (en) * | 2021-01-09 | 2021-04-20 | 中国人民解放军空军军医大学 | Head fixing device for tumor radiology department |
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| Publication number | Publication date |
|---|---|
| CN111803808B (en) | 2022-06-24 |
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