Rotary particle treatment head curtain sealing structure
By designing a rotating particle therapy head curtain sealing structure, and utilizing a sliding frame and curtain in conjunction with a track and dust collection components to clean dust, the problem of dust accumulation in particle therapy equipment has been solved, improving the stability and cleaning efficiency of the equipment.
Patent Information
- Application Number
- CN202520309067.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing particle therapy equipment lacks a sealing structure between the particle therapy head and the gantry, leading to dust accumulation and affecting the movement accuracy of the therapy head and the stability of the equipment.
A rotating particle therapy head curtain sealing structure was designed, which achieves sealing through the cooperation of a sliding frame and the curtain with first and second tracks, and is equipped with a dust collection component and brush plate for dust cleaning to ensure that dust does not enter the gaps.
It effectively prevents dust from accumulating in crevices, improves the stability and lifespan of the equipment, enhances cleaning efficiency, and reduces additional cleaning steps.
Smart Images
Figure CN224008891U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the proton treatment technical field especially relates to a rotating particle treatment head curtain sealing structure. BACKGROUND
[0002] Proton treatment is to use proton treatment equipment to shoot protons into human body, and a sharp Bragg peak is formed at the range end to cover tumor, so as to kill tumor cells and treat cancer. Since the energy loss of the proton incidence channel is small, the side scattering is also small, and the normal tissue around the front and back receives a small dose, so it becomes an important means of modern medical treatment of cancer.
[0003] Proton treatment instrument and other particle treatment equipment are composed of particle treatment head, rack and treatment bed. During treatment, the patient lies on the treatment bed, and the rack controls the particle treatment head to move around the treatment bed to treat different diseased parts.
[0004] Since the particle treatment head needs to do telescopic and rotating motion in the treatment head activity port during treatment, a gap is generated between the particle treatment head and the rack. However, the existing particle treatment equipment on the market does not have a corresponding sealing structure. In the long-term use process, dust will fall into and accumulate in the gap between the particle treatment head and the rack. The dust particles will wear the internal mechanical structure, causing the decrease of the moving precision of the particle treatment head, and further causing the decrease of the treatment effect of the particle treatment equipment.
[0005] Therefore, we propose a rotating particle treatment head curtain sealing structure to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving the problems in the prior art and proposes a rotating particle treatment head curtain sealing structure.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0008] A rotating particle treatment head curtain sealing structure, comprising a hollow rack and a telescopic particle treatment head, a C-shaped mounting port is arranged on the inner side of the rack, the particle treatment head is rotatably arranged in the mounting port, a C-shaped first track is arranged in the inner part of the rack, a C-shaped second track is fixedly arranged between the two ends of the first track, a plurality of sliding frames are slidably arranged in the first track and the second track, a curtain is fixedly sleeved on the outer side of the sliding frame, the curtains on the adjacent sliding frames are mutually adhered, the particle treatment head is adhered to two sliding frames on both sides respectively, and a dust suction assembly acting on the curtain is arranged at the second track.
[0009] Preferably, the second track is located on the outer side of the first track, and the curvature of the second track is greater than that of the first track.
[0010] Preferably, the dust suction assembly is located at both ends of the second track.
[0011] Preferably, a brush plate is fixed in the middle of the inner side of the second track, and the end of the brush plate is attached to the curtain of the corresponding sliding frame.
[0012] Preferably, the brush plate is in a vertical state, and the top end and the bottom end of the brush plate are respectively attached to the curtain of the corresponding sliding frame.
[0013] Preferably, the brush plate is located in the middle of the air inlet of the dust suction assembly.
[0014] Preferably, a ventilation groove is provided in the second track at the air inlet of the dust suction assembly.
[0015] Preferably, the fixed section of the particle therapy head is fixed with a scraping strip at one end of the telescopic section.
[0016] In summary, the technical effects and advantages of the present utility model are as follows: the rotating particle therapy head curtain sealing structure realizes the sealing of the particle therapy head and the rack through the sliding frame on the first track cooperating with the curtain, realizes the movement of the sliding frame with the rotation of the particle therapy head through the cooperation of the second track with the first track, and realizes the cleaning of the dust on the curtain through the dust suction assembly at the second track. Compared with the existing device, the problem that dust falls into and accumulates in the gap between the particle therapy head and the rack is avoided, and the stability and service life of the device are improved.
[0017] In addition, by setting the brush plate in the middle of the inner side of the second track, the curtain is scraped and cleaned, thereby improving the cleaning effect of the dust suction assembly, and at the same time, the curtain can be brought to a weak static electricity through friction, so that the dust is adsorbed on the curtain, avoiding the dust from falling from the gap between the curtain and the rack, and improving the stability and cleaning effect of the device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of the present utility model;
[0019] Figure 2 is a sectional front view of the present utility model;
[0020] Figure 3 is a sectional front view of the first track of the present utility model;
[0021] Figure 4 is Figure 2 is an enlarged view of A;
[0022] Figure 5 is Figure 3 is an enlarged view of B;
[0023] Figure 6A cross-sectional side view of the utility model;
[0024] Figure 7 A structure schematic view of the particle therapy head in the utility model.
[0025] In the drawing: 1, rack; 2, particle therapy head; 3, mounting port; 4, first track; 5, second track; 6, sliding frame; 7, curtain; 8, dust suction assembly; 9, brush plate; 10, scraping strip; 11, ventilation slot; 2a, fixed section; 2b, telescopic section; 81, air inlet. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0027] Referring to Figures 1-3 A rotating particle therapy head curtain sealing structure, comprising a hollow rack 1 and a telescopic particle therapy head 2. It should be noted that the particle therapy head 2 should be connected with a particle acceleration assembly. The particle acceleration assembly is a prior art and is common in the field of proton therapy. However, it is not described in detail here. Since the particle acceleration assembly has a large volume and is not directly related to the utility model, it is not drawn in the schematic view. The inside of the rack 1 is provided with a C-shaped mounting port 3. The particle therapy head 2 is rotatably arranged in the mounting port 3. The inside of the rack 1 is provided with a C-shaped first track 4. The first track 4 is fixedly provided with a C-shaped second track 5 between the two ends.
[0028] Referring to Figure 1 、 Figure 2 、 Figure 4 The first track 4 and the second track 5 are slidably provided with a plurality of sliding frames 6. The sliding frames 6 are fixedly provided with a curtain 7 on the outside. The adjacent sliding frames 5 can be connected by a hinge-connected connecting rod to realize the mutual adhesion of the curtains 7 on the adjacent sliding frames 6. Since the connecting mode by the connecting rod is common, it is not described in detail here. The particle therapy head 2 is adhesively connected with two sliding frames 6 on both sides. The second track 5 is provided with a dust suction assembly 8 acting on the curtain 7.
[0029] The rotating particle therapy head curtain sealing structure, when placed, the curtains 7 on the adjacent sliding frames 6 are attached to each other, thereby sealing the gap between the mounting port 3 and the particle therapy head 2, limiting the entry of dust into the gap. During treatment, the particle therapy head 2 is positioned in the mounting port 3, and the sliding frame 6 slides, and when the sliding frame 6 passes through the second track 5, the dust cleaning assembly 8 cleans the dust on the sliding frame 6 and the curtain 7, and the cleaning is synchronized during treatment, avoiding the need for additional cleaning steps and improving the efficiency of proton therapy.
[0030] It should be noted that the movement of the sliding frame 6 can use a passive scheme or an active scheme. The passive scheme is to move the sliding frame 6 by rotating the particle therapy head 2, which is low in cost but may affect the rotation accuracy of the particle therapy head 2. The active scheme is to drive multiple sliding frames 6 to move synchronously with the particle therapy head 2 by an additional driving assembly, which can include a driving motor, a chain, etc. The driving assembly is prior art and is common in the transmission field, but is not described in detail. The active scheme can reduce the impact on the particle therapy head 2, but the cost is higher, and can be selected as needed in actual use.
[0031] Referring to Figure 2 , Figure 6 Since the first track 4 is used to cooperate with the mounting port 3 of the gantry 1, and the dust cleaning assembly 8 does not require excessive space, the second track 5 is located outside the first track 4, and the curvature of the second track 5 is greater than that of the first track 4, thereby improving the utilization rate of the internal space of the gantry 1.
[0032] Referring to Figures 2-4 Since the rotation direction of the particle therapy head 2 is not necessarily in one direction during use, the dust cleaning assembly 8 is located at both ends of the second track 5, thereby enabling the dust cleaning assembly 8 to clean the dust on the curtain 7 regardless of whether the particle therapy head 2 rotates clockwise or counterclockwise.
[0033] The brush plate 9 is fixed in the middle of the inner side of the second track 5, and the end of the brush plate 9 is attached to the curtain 7 of the corresponding sliding frame 6. The brush plate 9 is used to brush the curtain 7, thereby improving the dust cleaning effect.
[0034] The brush plate 9 is in a vertical state, and the top end and the bottom end of the brush plate 9 are attached to the curtain 7 of the corresponding sliding frame 6. The brush plate 9 is used to brush the curtain 7 at the upper and lower parts of the second track 5, thereby enabling the brush plate 9 to clean the dust on the curtain 7 in the first time regardless of whether the particle therapy head 2 rotates clockwise or counterclockwise.
[0035] Since the suction force of the air inlet 81 of the dust cleaning assembly 8 is the largest in the middle, and a large amount of dust will fall at the same time when the brush plate 9 brushes the curtain 7, the brush plate 9 is located in the middle of the air inlet 81 of the dust cleaning assembly 8, thereby improving the cleaning effect.
[0036] Referring toFigure 5 In order to avoid dust falling into the second track 5 during cleaning, the second track 5 is provided with a ventilation slot 11 at the air inlet 81 of the dust collection assembly 8, so as to suck out the dust in the second track 5, and improve the cleaning effect.
[0037] Due to the use habit, the curtain 7 near the particle therapy head 2 is difficult to clean, so after a period of use, the particle therapy head 2 is moved from one end to the other end of the mounting port 3, and the curtain 7 can be completely cleaned. In actual use, the two curtains 7 on both sides of the particle therapy head 2 are difficult to be scraped and cleaned by the scraper, but since the particle therapy head 2 is generally placed at the upper part of the mounting port 3, the dust on the two curtains 7 on both sides of the particle therapy head 2 is less, and the two curtains 7 can be completely cleaned by the dust collection assembly 8.
[0038] Referring to Figure 7 The fixed section 2a of the particle therapy head 2 is fixedly provided with a scraping strip 10 at one end of the telescopic section 2b, the scraping strip 10 seals the gap at the telescopic section of the particle therapy head 2, avoids dust from entering, and improves the stability and service life of the device. The scraping strip 10 can be fixedly connected to the fixed section 2a of the particle therapy head 2 by buckles, screws, adhesives or the like.
[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A rotating particle therapy head curtain sealing structure, comprising a hollow frame (1) and a retractable particle therapy head (2), wherein the frame (1) has a C-shaped mounting port (3) on its inner side, and the particle therapy head (2) is rotatably disposed in the mounting port (3), characterized in that, The frame (1) is provided with a C-shaped first track (4) inside, and a C-shaped second track (5) is fixed between the two ends of the first track (4). Multiple sliding frames (6) are slidably arranged in the first track (4) and the second track (5). A curtain (7) is fixedly sleeved on the outside of the sliding frame (6). The curtains (7) on adjacent sliding frames (6) are attached to each other. Two sliding frames (6) are attached to both sides of the particle therapy head (2). A dust suction component (8) acting on the curtain (7) is provided at the second track (5).
2. The rotating particle therapy head curtain sealing structure according to claim 1, characterized in that, The second track (5) is located outside the first track (4), and the curvature of the second track (5) is greater than that of the first track (4).
3. The rotating particle therapy head curtain sealing structure according to claim 1, characterized in that, The vacuuming assembly (8) is located at both ends of the second track (5).
4. The rotating particle therapy head curtain sealing structure according to claim 1, characterized in that, A brush plate (9) is fixedly provided in the middle of the inner side of the second track (5), and the end of the brush plate (9) is attached to the curtain (7) of the corresponding sliding frame (6).
5. The rotating particle therapy head curtain sealing structure according to claim 4, characterized in that, The brush plate (9) is in a vertical position, and the top and bottom of the brush plate (9) are respectively attached to the curtain (7) of the corresponding sliding frame (6).
6. The rotating particle therapy head curtain sealing structure according to claim 5, characterized in that, The brush plate (9) is located in the middle of the air vent of the dust collection assembly (8).
7. The rotating particle therapy head curtain sealing structure according to claim 3, characterized in that, The second track (5) has a ventilation slot (11) at the air outlet of the dust collection assembly (8).
8. The rotating particle therapy head curtain sealing structure according to claim 1, characterized in that, The fixed section (2a) of the particle therapy head (2) is fixedly provided with a scraper (10) at one end facing the telescopic section (2b).