CN113611177A - Training device for simulating thoracoscopic surgery - Google Patents
Training device for simulating thoracoscopic surgery Download PDFInfo
- Publication number
- CN113611177A CN113611177A CN202110922936.XA CN202110922936A CN113611177A CN 113611177 A CN113611177 A CN 113611177A CN 202110922936 A CN202110922936 A CN 202110922936A CN 113611177 A CN113611177 A CN 113611177A
- Authority
- CN
- China
- Prior art keywords
- plate
- simulating
- sliding
- rod
- thoracoscopic surgery
- Prior art date
- 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.)
- Pending
Links
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 11
- 210000000115 thoracic cavity Anatomy 0.000 abstract description 2
- 210000000038 chest Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
Abstract
The invention provides a training device for simulating a thoracoscopic surgery, which belongs to the technical field of training devices for simulating the thoracoscopic surgery and comprises an operation table and a cleaning device, wherein the cleaning device comprises two fixed blocks, the surface of a sliding rod is connected with a sliding plate in a sliding manner, the surface of the sliding plate is fixedly provided with two connecting rods, one ends of the two connecting rods, which are far away from the sliding plate, are fixedly provided with rectangular plates, the surface of each rectangular plate is fixedly provided with a motor, the output end of each motor is fixedly connected with a gear, and the surface of each sliding plate is fixedly provided with a connecting plate. The invention solves the problems that when the existing training device for simulating thoracoscopic surgery is not used, a display screen is easy to adsorb a lot of dust, the dust is accumulated on the display screen, the patterns are blurred, the phenomenon that the trainees see the patterns in the thoracic cavity from the display screen is influenced, and the trainees are inconvenient to use.
Description
Technical Field
The invention belongs to the technical field of simulated operation trainers, and particularly relates to a trainer for simulating a thoracoscopic operation.
Background
The requirements of the thoracoscope surgery on doctors are strict, the operations of complex operations under the thoracoscope can be really and completely mastered only through strict thoracoscope surgery training, and the simulated thoracoscope surgery trainer can be used when the thoracoscope surgery is trained.
The training ware of current simulation thoracoscope operation when placing not using, the display screen adsorbs a lot of dust easily, and the dust gathers on the display screen, can cause the fuzzy problem of pattern, and then can influence training personnel and see the inside pattern of thorax from the display screen, and then brings inconvenience for training personnel's use.
Disclosure of Invention
The invention aims to solve the problems that when the existing training device for simulating thoracoscopic surgery is not used, a display screen is easy to adsorb a lot of dust, the dust is accumulated on the display screen, and the patterns are blurred, so that the training personnel can be influenced to see the patterns in the thoracic cavity from the display screen, and the training personnel are inconvenient to use.
In order to achieve the purpose, the invention adopts the following technical scheme: a trainer for simulating thoracoscopic surgery comprises an operation table and a cleaning device, wherein a supporting plate is fixedly arranged on the side face of the operation table, a frame is fixedly arranged at one end, far away from the operation table, of the supporting plate, a cleaning device is arranged on the side face of the frame, the cleaning device comprises two fixing blocks, the two fixing blocks are symmetrically distributed on the side face of the frame, a rack is fixedly arranged between the two fixing blocks, a sliding rod is fixedly arranged between the two fixing blocks, a sliding plate is connected with the surface of the sliding rod in a sliding manner, two connecting rods are fixedly arranged on the surface of the sliding plate, a rectangular plate is fixedly arranged at one end, far away from the sliding plate, of the two connecting rods, a motor is fixedly arranged on the surface of the rectangular plate, a gear is fixedly connected with the output end of the motor, the gear is meshed with the aid of the motor and the rack, the sliding plate is connected with the slide rod in a sliding manner with the aid of the gear, and the surface of the sliding plate is fixedly provided with a connecting plate.
The connecting plate is of an L-shaped structure, and the connecting rods and the connecting plate are symmetrically distributed on the surface of the sliding plate.
The utility model discloses a building structure, including operation panel, support leg, model standing groove, display screen, three hornblocks, connecting plate, slide, dust-shielding cloth, the bottom fixed surface of operation panel installs two landing legs, the one end fixed mounting that the operation panel was kept away from to the landing leg has the base, the model standing groove has been seted up on the surface of operation panel, the fixed surface of frame installs the display screen, the top fixed surface of frame installs two three hornblocks, two fixed mounting has the horizontal pole between the three hornblocks, the surface winding of horizontal pole has dust-shielding cloth, the one end and the dust-shielding cloth fixed connection of slide are kept away from to the connecting plate.
The surface of base is equipped with auxiliary device, auxiliary device includes two risers, two riser symmetric distribution is on the surface of base, two it is connected with the threaded rod to rotate between the riser, the fixed surface of threaded rod installs the runner, the surperficial threaded connection of threaded rod has two movable blocks, the surface of movable block articulates there is the swinging arms, two fixed mounting has the round bar between the riser, the side of operation panel articulates there is the apparatus to place the board.
The screw thread on the surface of the threaded rod uses the runner as the center to form reverse screw threads, and the movable block is connected with the round rod in a sliding mode through the threaded rod.
The threaded rod is connected with the vertical plate in a rotating mode through the rotating wheel, and one end, far away from the movable block, of the oscillating rod is hinged to the instrument placing plate.
Compared with the prior art, the invention has the advantages and positive effects that,
1. according to the invention, when the trainer is used, the motor is turned on, the motor drives the gear to rotate, the gear rotates and is meshed with the rack, the rectangular plate is further driven to move, the rectangular plate moves to drive the connecting rod to move, the connecting rod moves to drive the sliding plate to move downwards on the surface of the sliding rod, the sliding plate moves downwards on the surface of the sliding rod to drive the connecting plate to move downwards, the connecting plate moves downwards to drive the dust shielding cloth to move downwards, and the dust shielding cloth covers the surface of the display screen.
2. According to the invention, when training personnel needs to simulate, the rotating wheel is rotated, the rotating wheel rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the two movable blocks to slide on the surface of the round rod, the threads on the surface of the threaded rod are opposite to each other with the rotating wheel as the center, the threaded rod can drive the two movable blocks to move together in the direction of keeping away from each other on the surface of the sliding rod when rotating, the two movable blocks move in the direction of keeping away from each other on the surface of the sliding rod to drive the swinging rod to move, so that the swinging rod drives the instrument placing plate to rotate, the instrument placing plate rotates from the vertical state to the horizontal state, and through the matching of the structures, surgical instruments used by the training personnel can be placed on the surface of the instrument placing plate, and the training personnel can finish the process of the thoracoscopic surgery more conveniently.
Drawings
FIG. 1 is a schematic perspective view of a training device for simulating thoracoscopic surgery according to the present invention;
FIG. 2 is a schematic left side view of a training aid for simulating thoracoscopic surgery;
FIG. 3 is a schematic diagram of a training aid for simulating thoracoscopic surgery shown in FIG. 2 at B;
FIG. 4 is a schematic view of a training apparatus for simulating thoracoscopic surgery shown in FIG. 1 at A;
illustration of the drawings: 1. an operation table; 2. a support leg; 3. a base; 4. a model placing groove; 5. a support plate; 6. a frame; 7. a cleaning device; 71. a fixed block; 72. a rack; 73. a slide bar; 74. a slide plate; 75. a connecting rod; 76. a rectangular plate; 77. a motor; 78. a gear; 79. a connecting plate; 8. an auxiliary device; 81. a vertical plate; 82. a threaded rod; 83. a rotating wheel; 84. a movable block; 85. a swing lever; 86. an instrument placement board; 87. a round bar; 9. a display screen; 10. a triangular block; 11. a cross bar; 12. dust-shielding cloth.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The training ware of solving current simulation thoracoscope operation is said below specifically, when placing not using, the display screen adsorbs a lot of dusts easily, the dust gathers on the display screen, can cause the problem that the pattern is fuzzy, and then can influence training personnel and see the inside pattern of thorax from the display screen, and then the problem part that brings inconvenience for training personnel's use and solve current simulation thoracoscope operation's training ware, surgical instruments does not have the department to place, and then the problem part of going on of influence training work.
As shown in fig. 3 and 4, the cleaning device comprises an operation table 1 and a cleaning device 7, a supporting plate 5 is fixedly installed on the side surface of the operation table 1, a frame 6 is fixedly installed on one end, away from the operation table 1, of the supporting plate 5, the cleaning device 7 is arranged on the side surface of the frame 6, the cleaning device 7 comprises two fixing blocks 71, the two fixing blocks 71 are symmetrically distributed on the side surface of the frame 6, a sliding rod 73 is fixedly installed between the two fixing blocks 71, a rack 72 is fixedly installed between the two fixing blocks 71, a sliding plate 74 is slidably connected to the surface of the sliding rod 73, two connecting rods 75 are fixedly installed on the surface of the sliding plate 74, a rectangular plate 76 is fixedly installed on one end, away from the sliding plate 74, of the two connecting rods 75, a motor 77 is fixedly installed on the surface of the rectangular plate 76, the motor 77 drives a gear 78 to rotate, the gear 78 to be engaged with the rack 72, and further drive the rectangular plate 76 to move, the rectangular plate 76 moves to drive the connecting rod 75 to move, connecting rod 75 removes and drives slide 74 and move down on the surface of slide bar 73, slide 74 moves down on the surface of slide bar 73 and drives connecting plate 79 and move down, connecting plate 79 moves down and drives dust-proof cloth 12 and move down, make dust-proof cloth 12 cover the surface at display screen 9, cooperation through the structure, to having protected display screen 9, prevent that display screen 9 from being stained with the dust under the condition of not using for a long time, and then influence training personnel and watch the inside pattern of thorax from display screen 9, the output fixedly connected with gear 78 of motor 77, slide 74's fixed surface installs connecting plate 79.
The gear 78 is engaged with the rack 72 by a motor 77, and the slide plate 74 is slidably connected with the slide rod 73 by the gear 78.
The connecting plate 79 is of an L-shaped structure, and the connecting rods 75 and the connecting plate 79 are symmetrically distributed on the surface of the sliding plate 74.
The effect that mutually supports between its upper segment part reached does, when the training ware finishes using, open motor 77, motor 77 drives gear 78 and rotates, gear 78 rotates and rack 72 meshes, and then drive rectangular plate 76 and remove, rectangular plate 76 removes and drives connecting rod 75 and remove, connecting rod 75 removes and drives slide 74 and remove downwards at the surface of slide bar 73, slide 74 removes downwards at the surface of slide bar 73 and drives connecting plate 79 and remove downwards, connecting plate 79 removes downwards and drives and hide dirt cloth 12 and remove downwards, make and hide dirt cloth 12 and cover the surface at display screen 9, cooperation through the above-mentioned structure, reached and protected display screen 9, prevent that display screen 9 from being stained with the dust under the condition of not using for a long time, and then influence the training personnel and watch the inside pattern of thorax from display screen 9.
As shown in fig. 1 and fig. 2, the surface of the base 3 is provided with the auxiliary device 8, the auxiliary device 8 includes two vertical plates 81, the two vertical plates 81 are symmetrically distributed on the surface of the base 3, a threaded rod 82 is rotatably connected between the two vertical plates 81, a rotating wheel 83 is fixedly installed on the surface of the threaded rod 82, the rotating wheel 83 rotates to drive the threaded rod 82 to rotate, the threaded rod 82 rotates to drive the two movable blocks 84 to slide on the surface of the round rod 87, because the threads on the surface of the threaded rod 82 are opposite to each other with the rotating wheel 83 as the center, the threaded rod 82 rotates to drive the two movable blocks 84 to move together in the direction of the surface of the sliding rod 73 being away from each other, the two movable blocks 84 move in the direction of the surface of the sliding rod 73 to drive the swinging rod 85 to move, the swinging rod 85 drives the instrument placing plate 86 to rotate, the instrument placing plate 86 rotates from the vertical state to the horizontal state, by the cooperation of the above structures, the surgical instruments that the training personnel that make used can place the surface of placing board 86 at the apparatus, and the process of training thoracoscope operation is accomplished to more convenient messenger training personnel, and the surface threaded connection of threaded rod 82 has two movable blocks 84, and the surface of movable block 84 articulates there is swinging arms 85, and fixed mounting has round bar 87 between two risers 81, and the side of operation panel 1 articulates there is the apparatus to place board 86.
The threads on the surface of the threaded rod 82 are opposite threads with respect to the wheel 83, and the movable block 84 is slidably connected by the threaded rod 82 and the round rod 87.
The threaded rod 82 is rotatably connected to the vertical plate 81 by means of a rotating wheel 83, and the end of the swing lever 85 remote from the movable block 84 is hinged to the implement placement plate 86.
The effect achieved by the mutual matching of the upper-section components is that when the training staff needs to simulate, the rotating wheel 83 is rotated, the rotating wheel 83 rotates to drive the threaded rod 82 to rotate, the threaded rod 82 rotates to drive the two movable blocks 84 to slide on the surface of the round rod 87, because the threads on the surface of the threaded rod 82 are opposite threads with the rotating wheel 83 as the center, when the threaded rod 82 rotates, the two movable blocks 84 are driven to move together in the direction of separating from each other on the surface of the sliding rod 73, the two movable blocks 84 move in the direction of separating from each other on the surface of the sliding rod 73 to drive the swing rod 85 to move, so that the swing rod 85 drives the instrument placing plate 86 to rotate, and the instrument placing plate 86 rotates from the vertical state to the horizontal state, through the cooperation of above-mentioned structure, the surgical instruments that make the training personnel use can place the surface of placing board 86 at the apparatus, and the process of training thoracoscopic surgery is accomplished to more convenient messenger's training personnel.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. A training device for simulating thoracoscopic surgery, comprising an operating table (1) and a cleaning device (7), characterized in that: the side fixed mounting of operation panel (1) has backup pad (5), the one end fixed mounting that operation panel (1) was kept away from in backup pad (5) has frame (6), the side of frame (6) is equipped with cleaning device (7), cleaning device (7) include two fixed block (71), two fixed block (71) symmetric distribution is in the side of frame (6), two fixed mounting has rack (72) two between fixed block (71) fixed mounting has slide bar (73) between fixed block (71), the sliding surface of slide bar (73) is connected with slide plate (74), the fixed surface of slide plate (74) installs two connecting rods (75), two the one end fixed mounting that slide plate (74) were kept away from to connecting rod (75) has rectangular plate (76), the fixed surface of rectangular plate (76) installs motor (77), the output end of the motor (77) is fixedly connected with a gear (78), and the surface of the sliding plate (74) is fixedly provided with a connecting plate (79).
2. A trainer for use in simulating thoracoscopic surgery according to claim 1, which is characterized in that: the gear (78) is meshed with the rack (72) through a motor (77), and the sliding plate (74) is connected with the sliding rod (73) in a sliding mode through the gear (78).
3. A trainer for use in simulating thoracoscopic surgery according to claim 1, which is characterized in that: the connecting plates (79) are of L-shaped structures, and the connecting rods (75) and the connecting plates (79) are symmetrically distributed on the surface of the sliding plate (74).
4. A trainer for use in simulating thoracoscopic surgery according to claim 1, which is characterized in that: the utility model discloses a building structure, including operation panel (1), one end fixed mounting that operation panel (1) was kept away from in landing leg (2) has two landing legs (2), the one end fixed mounting that operation panel (1) was kept away from in landing leg (2) has base (3), model standing groove (4) have been seted up on the surface of operation panel (1), the fixed surface of frame (6) installs display screen (9), the fixed surface in top of frame (6) installs two triangle blocks (10), two fixed mounting has horizontal pole (11) between triangle block (10), the surface winding of horizontal pole (11) has dust-shielding cloth (12), the one end and dust-shielding cloth (12) fixed connection of slide (74) are kept away from in connecting plate (79).
5. A trainer for use in simulating thoracoscopic surgery according to claim 4, which is characterized in that: the surface of base (3) is equipped with auxiliary device (8), auxiliary device (8) include two riser (81), two riser (81) symmetric distribution is on the surface of base (3), two it is connected with threaded rod (82) to rotate between riser (81), the fixed surface of threaded rod (82) installs runner (83), the surperficial threaded connection of threaded rod (82) has two movable block (84), the surface of movable block (84) articulates there is swinging arms (85), two fixed mounting has round bar (87) between riser (81), the side of operation panel (1) articulates there is the apparatus to place board (86).
6. A trainer for use in simulating thoracoscopic surgery according to claim 5, which is characterized in that: the threads on the surface of the threaded rod (82) are mutually reverse threads by taking the rotating wheel (83) as the center, and the movable block (84) is connected with the round rod (87) in a sliding mode through the threaded rod (82).
7. A trainer for use in simulating thoracoscopic surgery according to claim 5, which is characterized in that: the threaded rod (82) is rotatably connected with a vertical plate (81) by means of a rotating wheel (83), and one end of the swinging rod (85) far away from the movable block (84) is hinged with an appliance placing plate (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922936.XA CN113611177A (en) | 2021-08-12 | 2021-08-12 | Training device for simulating thoracoscopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922936.XA CN113611177A (en) | 2021-08-12 | 2021-08-12 | Training device for simulating thoracoscopic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113611177A true CN113611177A (en) | 2021-11-05 |
Family
ID=78340422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110922936.XA Pending CN113611177A (en) | 2021-08-12 | 2021-08-12 | Training device for simulating thoracoscopic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113611177A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202350213U (en) * | 2011-11-24 | 2012-07-25 | 苏州三星电子有限公司 | Dustproof device of air-conditioner outdoor unit |
| JP2013544373A (en) * | 2010-10-01 | 2013-12-12 | アプライド メディカル リソーシーズ コーポレイション | Portable laparoscopic trainer |
| CN109686212A (en) * | 2019-01-29 | 2019-04-26 | 西安交通大学医学院第一附属医院 | A kind of training aids performed the operation for simulating medical thoracoscopy |
| CN211325162U (en) * | 2019-12-11 | 2020-08-25 | 山东省日照市人民医院 | Patient limb adjusting device for ultrasound department examination |
| CN211916391U (en) * | 2020-03-25 | 2020-11-13 | 常德市中凯机械工业有限公司 | Operation platform for machining convenient to adjust operation angle |
-
2021
- 2021-08-12 CN CN202110922936.XA patent/CN113611177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013544373A (en) * | 2010-10-01 | 2013-12-12 | アプライド メディカル リソーシーズ コーポレイション | Portable laparoscopic trainer |
| CN202350213U (en) * | 2011-11-24 | 2012-07-25 | 苏州三星电子有限公司 | Dustproof device of air-conditioner outdoor unit |
| CN109686212A (en) * | 2019-01-29 | 2019-04-26 | 西安交通大学医学院第一附属医院 | A kind of training aids performed the operation for simulating medical thoracoscopy |
| CN211325162U (en) * | 2019-12-11 | 2020-08-25 | 山东省日照市人民医院 | Patient limb adjusting device for ultrasound department examination |
| CN211916391U (en) * | 2020-03-25 | 2020-11-13 | 常德市中凯机械工业有限公司 | Operation platform for machining convenient to adjust operation angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108529518A (en) | A kind of underground piping maintenance well lid lid arrangement | |
| CN205018576U (en) | Music teaching is with removing rotatory cabinet | |
| CN210039160U (en) | University student's entrepreneurship education interactive multimedia device | |
| CN113611177A (en) | Training device for simulating thoracoscopic surgery | |
| CN113409633A (en) | Culture education teaching device capable of synchronously live broadcasting | |
| CN206230529U (en) | A kind of reading robot with simulated scenario | |
| CN210109548U (en) | Projection curtain | |
| CN209056104U (en) | A kind of Clothing Design and Engineering teaching special operation device | |
| CN203721074U (en) | Folding type electric teaching board hanging frame | |
| CN208954363U (en) | A kind of education sector projection arrangement | |
| CN208498076U (en) | A kind of English education blackboard line drawing device | |
| CN214897490U (en) | Economic management teaching of convenient dismantlement is with show board | |
| CN206834522U (en) | Low-voltage distribution cabinet | |
| CN213303481U (en) | Livestock farm ground fire control knowledge display board | |
| CN211237193U (en) | Colleges and universities english multi-media teaching aid | |
| CN210643277U (en) | Teaching display board for software technology development | |
| CN208096415U (en) | Desk is used in a kind of teaching of intelligent music | |
| CN109243256B (en) | Electrical professional integrated circuit design display equipment | |
| CN209843045U (en) | Simulation sand table for teaching | |
| CN209486934U (en) | A kind of law interactive demonstration ac equipment | |
| CN216803369U (en) | Building design model splicing apparatus | |
| CN210727340U (en) | Display device is stored to computer science and technology sample | |
| CN221200745U (en) | Double-screen different-display song requesting machine control panel based on Android system | |
| CN220709917U (en) | Propaganda column | |
| CN212809509U (en) | Piano fingering exercise bracket for music teaching |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211105 |