CN115154940A - Linear motion mechanism of radiotherapy bed - Google Patents
Linear motion mechanism of radiotherapy bed Download PDFInfo
- Publication number
- CN115154940A CN115154940A CN202211089363.8A CN202211089363A CN115154940A CN 115154940 A CN115154940 A CN 115154940A CN 202211089363 A CN202211089363 A CN 202211089363A CN 115154940 A CN115154940 A CN 115154940A
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- China
- Prior art keywords
- shaped structure
- groove
- linear motion
- thin plate
- motion mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000033001 locomotion Effects 0.000 title claims abstract description 29
- 238000001959 radiotherapy Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 6
- 230000002265 prevention Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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 relates to the technical field of radiotherapy, and discloses a linear motion mechanism of a radiotherapy bed, which comprises a base, a guide rail, an electric screw rod, a thin plate and a sliding plate, wherein the base comprises a groove-shaped structure, the guide rail and the electric screw rod are arranged in the groove-shaped structure, the guide rail extends along the length direction of the groove-shaped structure, two ends of the thin plate are connected with two end parts of the groove-shaped structure, the thin plate is arranged above the groove-shaped structure to cover the groove-shaped structure, the guide rail and the electric screw rod in the groove-shaped structure, and the sliding plate is arranged between the groove-shaped structure and the thin plate and is driven by the electric screw rod to slide on the guide rail. The linear motion mechanism of the radiotherapy bed can well protect the electric screw rod, can realize maintenance-free protection structure, thereby reducing the use and maintenance cost and simultaneously improving the attractiveness and the safety of the product.
Description
Technical Field
The invention relates to the technical field of radiotherapy, in particular to a linear motion mechanism of a radiotherapy bed.
Background
The radiotherapy bed needs to be matched with radiotherapy equipment in the radiotherapy process, in order to meet the treatment requirement, the radiotherapy bed for radiotherapy generally has a linear motion mechanism for moving the position of a patient on the radiotherapy bed, and in the prior art, the linear motion mechanism usually comprises a motor lead screw, so that the radiotherapy bed is not safe and attractive if exposed outside; therefore, the motor lead screw of the linear motion mechanism of the existing radiotherapy bed generally adopts a telescopic lead screw sheath to protect and play roles of dust prevention, water prevention, oil prevention and the like, the lead screw sheath has a plurality of types, typically an organ type telescopic sheath and a plurality of sections of telescopic sheaths, the two types of lead screw sheaths easily cause material fatigue and abrasion after being repeatedly stretched, the lead screw sheath is damaged, the service life of the sheath is influenced, and the maintenance cost of the radiotherapy bed is increased.
Disclosure of Invention
The invention aims to provide a linear motion mechanism of a radiation therapy bed, which solves the problems mentioned in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a radiation therapy couch linear motion mechanism comprising:
a base, the base comprising a channel-type structure;
the guide rail and the electric screw rod are respectively arranged in the groove-shaped structure, and the guide rail extends along the length direction of the groove-shaped structure;
the two ends of the thin plate are connected with the two end parts of the groove-shaped structure, and the thin plate is arranged above the groove-shaped structure so as to cover the groove-shaped structure, the guide rail and the electric lead screw in the groove-shaped structure; and
and the sliding plate is arranged between the groove-shaped structure and the thin plate and is driven by the electric lead screw to slide on the guide rail.
Preferably, the groove-shaped structure comprises a bottom plate, two side plates and two connecting beams, the two side plates are arranged at intervals and extend along the length direction of the bottom plate, the lower ends of the two side plates are connected with the bottom plate, and the two side plates are connected with each other at two ends through the two transverse connecting beams.
Preferably, the two connecting beams are respectively connected with the tops of the two side plates, and the thin plate is mounted on the two connecting beams.
Preferably, the electric screw comprises a motor, a speed reducing mechanism, a screw rod and a nut, the nut is connected with the bottom of the sliding plate, the motor drives the screw rod to rotate through the speed reducing mechanism so as to enable the nut to move on the screw rod, and the nut is suitable for driving the sliding plate to slide on the guide rail.
Preferably, the number of the guide rails is two, and the two guide rails are arranged on two sides of the electric lead screw in parallel.
Preferably, the groove-shaped structure further comprises two guide rail support frames, and the two guide rails are fixedly connected with the two guide rail support frames.
Preferably, the upper surface of the sliding plate is provided with two grooves which are spaced from each other and arranged in parallel, and the two grooves are arranged in a direction parallel to the guide rail.
Preferably, the sheet includes a sheet body, two wing plates are arranged on two sides of the sheet body, and the two wing plates are arranged in the two grooves and are not in contact with the two grooves.
Preferably, the width of the sliding plate is greater than the width of the thin plate, two ends of the sliding plate in the width direction are higher than the thin plate body, and the two ends have a plurality of fixing mounting holes on two sides of the sliding plate in the sliding movement direction.
Preferably, the upper surface of the sliding plate is provided with a plurality of sliding guide bars made of sliding wear-resistant materials, and the sliding guide bars are in contact with the lower surface of the thin plate.
The invention has the technical effects and advantages that:
according to the linear motion mechanism of the radiotherapy bed, the guide rail and the electric screw rod are arranged in the groove-shaped structure of the base, the sliding plate driven by the electric screw rod is arranged between the groove-shaped structure and the thin plate, and the groove-shaped structure, the guide rail and the electric screw rod in the groove-shaped structure are covered by the thin plate, so that the radiotherapy bed can be driven to move through normal movement of the sliding plate, the electric screw rod is prevented from being exposed, the electric screw rod is well protected, maintenance-free protection of a protection structure can be realized, the use and maintenance cost is reduced, and meanwhile, the attractiveness and the safety of a product are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the radiation treatment couch for opening the thin plate in the linear motion mechanism of the present invention;
FIG. 2 is a schematic view of a portion of a radiation treatment table according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a thin plate in an embodiment of the linear motion mechanism of the radiation therapy bed of the present invention.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
As shown in fig. 1-2, the linear motion mechanism of the radiotherapy bed of the present invention comprises a base 1, a guide rail 2, an electric lead screw 3, a thin plate 4 and a sliding plate 5, wherein the base 1 comprises a groove-shaped structure, the guide rail 2 and the electric lead screw 3 are arranged in the groove-shaped structure, the guide rail 2 extends along the length direction of the groove-shaped structure, two ends of the thin plate 4 are connected with two ends of the groove-shaped structure, the thin plate 4 is arranged above the groove-shaped structure to cover the groove-shaped structure, the guide rail 2 and the electric lead screw 3 in the groove-shaped structure, and the sliding plate 5 is arranged between the groove-shaped structure and the thin plate 4 and is driven by the electric lead screw 3 to slide on the guide rail 2. Through the technical scheme, the treatment bed can be driven to move through the normal movement of the sliding plate, the electric lead screw is prevented from being exposed, the electric lead screw is well protected, and the maintenance-free protection structure can be realized, so that the use and maintenance cost is reduced, and the attractiveness and the safety of a product are improved; it should be understood herein that the sheet of the present invention is known to those skilled in the art and is typically a sheet of metal having a thickness of less than 3 mm.
Further, the groove-shaped structure includes a bottom plate 11, two side plates 12 and two connecting beams 13, the bottom plate 11 and the two side plates 12 are made of metal plates, the two side plates 12 are arranged at intervals and extend along the length direction of the bottom plate 11, the lower ends of the two side plates 12 are connected with the bottom plate 11, the two side plates 12 are connected with each other at two end portions through the two transverse connecting beams 13, the electric screw 3 includes a motor 31, a speed reducing mechanism 32, a screw 33 and a nut 34, the nut 34 is connected with the bottom portion of the sliding plate 5, the motor 31 drives the screw 33 to rotate via the speed reducing mechanism 32 so as to move the nut 34 on the screw 33, and the nut 34 drives the sliding plate 5 to slide on the guide rail 2, as shown in fig. 1 to 3, in this embodiment, the guide rails are two parallel to each other and are respectively located at two sides of the screw 33 of the electric screw 3, and the two guide rails are thus configured, which takes into consideration of cost and transmission stability. The bottom of the sliding plate 5 is fixedly provided with a plurality of sliding blocks 51, the sliding blocks 51 are a pair or a plurality of pairs which are parallel to each other and are respectively matched with the two guide rails 2, the groove-shaped structure further comprises two guide rail supporting frames 14 connected with the bottom plate and the side plates, and the two guide rails 2 are fixedly connected with the two guide rail supporting frames 14 through bolts 15. Slide 5 upper surface is equipped with two recesses 52 of mutual interval and parallel arrangement, two recesses 52 set up along the direction that is on a parallel with guide rail 2, sheet metal 4 includes sheet metal body 41, the both sides of sheet metal body 41 are equipped with two pterygoid lamina 42, two pterygoid lamina 42 are located in two recesses 52 and with two discontiguous settings of recess 52, in order to avoid slide 5 when removing with pterygoid lamina 42 contact friction of sheet metal 4. In addition, in this embodiment, the width of the sliding plate 5 is larger than the width of the thin plate 4, and two ends of the sliding plate 5 in the width direction are higher than the thin plate body 41, and the two ends have a plurality of fixing mounting holes 53 on two sides of the sliding movement direction of the sliding plate 5, so that the treatment couch can be fixedly mounted with the fixing mounting holes 53 directly or through a support plate, thereby enabling the patient to be moved on the treatment couch. Further, in order to make the upper surface of the sliding plate have a certain supporting function for the thin plate 4, in an embodiment, a plurality of sliding guide bars (not shown) made of sliding wear-resistant material may be disposed on the upper surface of the sliding plate 5, and the sliding guide bars may be in contact with the lower surface of the thin plate 4, such as nylon guide bars or teflon guide bars, and the lower surface of the thin plate 4 may be in sliding contact with the nylon guide bars or teflon guide bars.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A radiation therapy bed linear motion mechanism, comprising:
a base, the base comprising a channel-type structure;
the guide rail and the electric screw rod are respectively arranged in the groove-shaped structure, and the guide rail extends along the length direction of the groove-shaped structure;
the two ends of the thin plate are connected with the two end parts of the groove-shaped structure, and the thin plate is arranged above the groove-shaped structure so as to cover the groove-shaped structure, the guide rail and the electric lead screw in the groove-shaped structure; and
and the sliding plate is arranged between the groove-shaped structure and the thin plate and is driven by the electric lead screw to slide on the guide rail.
2. The linear motion mechanism of claim 1, wherein the trough-shaped structure comprises a bottom plate, two side plates and two connecting beams, the two side plates are spaced apart and extend along the length of the bottom plate, the lower ends of the two side plates are connected to the bottom plate, and the two side plates are connected to each other at two ends by the two connecting beams in the transverse direction.
3. The linear motion mechanism of claim 2, wherein the two connection beams are connected to the tops of the two side plates, respectively, and the thin plate is mounted on the two connection beams.
4. The linear motion mechanism of claim 1, wherein the electric lead screw comprises a motor, a speed reducing mechanism, a screw rod and a nut, the nut is connected to the bottom of the sliding plate, the motor drives the screw rod to rotate via the speed reducing mechanism so as to move the nut on the screw rod, and the nut is adapted to drive the sliding plate to slide on the guide rail.
5. The linear motion mechanism of claim 4, wherein the two guide rails are disposed in parallel on two sides of the screw rod of the electric screw rod.
6. The linear motion mechanism of claim 5, wherein the slot-shaped structure further comprises two rail supports, and the two rails are fixedly connected with the two rail supports.
7. The linear motion mechanism of claim 1, wherein the sliding plate has two grooves on its upper surface, the two grooves being spaced apart from each other and arranged in parallel, and the two grooves being arranged in a direction parallel to the guide rail.
8. The linear motion mechanism of claim 7, wherein the thin plate comprises a thin plate body, and two wings are disposed on two sides of the thin plate body, and are disposed in the two grooves and are not in contact with the two grooves.
9. The linear motion mechanism of claim 8, wherein the slide plate has a width greater than that of the thin plate, and two ends of the slide plate in the width direction are higher than the thin plate body and have a plurality of fixing holes on two sides of the slide plate in the sliding motion direction.
10. The linear motion mechanism of claim 1, wherein the upper surface of the slide plate is provided with a plurality of sliding guides of sliding wear-resistant material, the sliding guides contacting the lower surface of the thin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089363.8A CN115154940B (en) | 2022-09-07 | 2022-09-07 | Linear motion mechanism of radiotherapy bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089363.8A CN115154940B (en) | 2022-09-07 | 2022-09-07 | Linear motion mechanism of radiotherapy bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115154940A true CN115154940A (en) | 2022-10-11 |
| CN115154940B CN115154940B (en) | 2023-01-06 |
Family
ID=83481231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211089363.8A Active CN115154940B (en) | 2022-09-07 | 2022-09-07 | Linear motion mechanism of radiotherapy bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115154940B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070211855A1 (en) * | 2006-03-10 | 2007-09-13 | Xiaomu Zheng | Automatic gamma ray stereotactic radiosurgery remedial system |
| CN104084651A (en) * | 2014-08-01 | 2014-10-08 | 丽水市创峰科技有限公司 | Linear module, machining method and machining devices applied to machining method |
| CN204304692U (en) * | 2015-01-22 | 2015-04-29 | 温州纳米克自动化科技有限公司 | half-sealed electric cylinder |
| CN208179545U (en) * | 2018-05-16 | 2018-12-04 | 深圳市康施顿机电设备有限公司 | A kind of single-motor double driving manipulator |
| CN215334246U (en) * | 2021-07-29 | 2021-12-28 | 林泽标 | Linear module with extremely high length utilization rate |
-
2022
- 2022-09-07 CN CN202211089363.8A patent/CN115154940B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070211855A1 (en) * | 2006-03-10 | 2007-09-13 | Xiaomu Zheng | Automatic gamma ray stereotactic radiosurgery remedial system |
| CN104084651A (en) * | 2014-08-01 | 2014-10-08 | 丽水市创峰科技有限公司 | Linear module, machining method and machining devices applied to machining method |
| CN204304692U (en) * | 2015-01-22 | 2015-04-29 | 温州纳米克自动化科技有限公司 | half-sealed electric cylinder |
| CN208179545U (en) * | 2018-05-16 | 2018-12-04 | 深圳市康施顿机电设备有限公司 | A kind of single-motor double driving manipulator |
| CN215334246U (en) * | 2021-07-29 | 2021-12-28 | 林泽标 | Linear module with extremely high length utilization rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115154940B (en) | 2023-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231031 Address after: 1st Floor, Building 18, No. 1-14, Lane 388, Kangye Road, Zhujiajiao Town, Qingpu District, Shanghai, 201799 Patentee after: Shanghai Aikrosi Medical Technology Co.,Ltd. Address before: 215151 standard workshop 15, supporting industrial park, No. 666 Jianlin Road, high tech Zone, Suzhou, Jiangsu Province Patentee before: Hanstai medical technology (Suzhou) Co.,Ltd. |
|
| CI03 | Correction of invention patent | ||
| CI03 | Correction of invention patent |
Correction item: transfer of patent right Correct: Hanstai medical technology (Suzhou) Co.,Ltd.|215151 standard workshop 15, supporting industrial park, No. 666 Jianlin Road, high tech Zone, Suzhou, Jiangsu Province False: Shanghai Aikrosi Medical Technology Co.,Ltd.|1st Floor, Building 18, No. 1-14, Lane 388, Kangye Road, Zhujiajiao Town, Qingpu District, Shanghai, 201799 Number: 46-02 Volume: 39 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231031 Granted publication date: 20230106 |