CN112618256A - Movable device for initial recovery after knee joint injury - Google Patents
Movable device for initial recovery after knee joint injury Download PDFInfo
- Publication number
- CN112618256A CN112618256A CN202011471458.7A CN202011471458A CN112618256A CN 112618256 A CN112618256 A CN 112618256A CN 202011471458 A CN202011471458 A CN 202011471458A CN 112618256 A CN112618256 A CN 112618256A
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- CN
- China
- Prior art keywords
- mounting ring
- fixedly connected
- base plate
- knee joint
- ring
- 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.)
- Withdrawn
Links
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 206010060820 Joint injury Diseases 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims 1
- 210000001699 lower leg Anatomy 0.000 abstract description 26
- 210000002414 leg Anatomy 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 210000003205 muscle Anatomy 0.000 abstract description 9
- 230000009916 joint effect Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 210000000689 upper leg Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
Landscapes
- Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a movable device for the early recovery after knee joint injury, which comprises a first base plate, wherein one end of the first base plate is rotatably connected with a rotating shaft, two grooves are symmetrically formed in the first base plate, one end of the rotating shaft is rotatably connected with a first mounting ring, and one end of the rotating shaft, which is far away from the first mounting ring, is fixedly connected with a second mounting ring. The invention can provide assistance for the user in the process of lifting the crus during training, thereby effectively reducing the muscle force required by the user for subsequently lifting the crus, obviously prolonging the time of the knee joint activity training of the user under the condition of the same physical energy consumption in the initial stage of recovery training after knee joint injury, thereby achieving better training effect, and stopping the assistance at the moment when the user stops lifting the legs, thereby ensuring that the training experience for the user is more real and natural, avoiding unnecessary electric energy waste and realizing the effect of energy saving.
Description
Technical Field
The invention relates to the technical field of medical auxiliary equipment, in particular to a movable device for the early recovery stage after knee joint injury.
Background
After the knee joint is seriously injured due to diseases, accidents and the like, the user can not act for a long time in the process of curing injury, and after the injury is recovered, in order to recover the action capability, the user needs to lift and drop the shank frequently, and the knee joint flexibility is recovered by rotating the knee joint to perform rehabilitation training. In the initial stage of recovery after knee joint injury, because the shank is lifted relatively hard and the shank also needs to be controlled to fall slowly by the force of leg muscles in the process of falling the shank, the recovery training time is short under the influence of the user physical performance, and the recovery training effect is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: in the initial stage of recovery after knee joint injury, because the shank is lifted relatively hard and the shank also needs to be controlled to fall slowly by the force of leg muscles in the process of falling the shank, the recovery training time is short under the influence of the user physical performance, and the recovery training effect is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a knee joint is mobile device for initial stage of resumeing after hindering, includes first base plate, the one end internal rotation of first base plate is connected with the pivot, the symmetry is equipped with two recesses on the first base plate, one end of pivot is gone up to rotate and is connected with first collar, the pivot is kept away from one of first collar and is served fixedly connected with second collar, first collar and second collar all are located the recess, equal fixedly connected with connecting rod, two on the lateral wall of first collar and second collar fixedly connected with second base plate between the connecting rod, be equipped with the supplementary laborsaving device of energy-conserving formula on the first collar, be equipped with slow-down protection device on the second collar
Preferably, the energy-saving auxiliary labor-saving device comprises a double-shaft output motor, the double-shaft output motor is fixedly connected to a side wall of the first substrate, which is close to the first mounting ring, an output shaft is arranged in the double-shaft output motor, one end of the output shaft is fixedly connected with the first mounting ring, an insulating shell is fixedly connected to the double-shaft output motor, two brush pieces are symmetrically and fixedly connected to a side wall of the double-shaft output motor, which is close to the insulating shell, a conductor wire frame is fixedly connected to one end of the output shaft, which is far away from the first mounting ring, both ends of the conductor wire frame are rotatably connected to the inner side wall of the brush pieces, two magnets are symmetrically and fixedly connected to the inner side wall of the insulating shell, the conductor wire frame is located between the two magnets, an LED lamp and a diode are connected between the two brush pieces through a wire, the LED lamp is connected in, one of the connecting wires is provided with a photoelectric switch, and the photoelectric switch is arranged right opposite to the LED lamp.
Preferably, the slow-speed protection device includes one-way bearing, one-way bearing installs between pivot and second collar, it is connected with sealed go-between to rotate on the inside wall of second collar, sealed go-between and one-way bearing fixed connection, it is connected with the fender cover to rotate on the inside wall of second collar, fender cover and sealed go-between fixed connection, the symmetry is equipped with a plurality of baffles that are the slope setting on the fender cover, be equipped with the shear thickening liquid in the second collar.
Preferably, a layer of rubber film is arranged on each of the first substrate and the second substrate.
The invention has the beneficial effects that:
1. in the training process, user's shank is sent out power and is rotated the process of lifting to keeping away from thigh direction around knee joint when, the second base plate drives the conductor wire frame through the output shaft and is cut magnetic induction line motion in the magnetic field between two magnets, make the conductor wire frame have the electric current to produce, the LED lamp is luminous, after receiving light signal, photoelectric switch will be closed, biax output motor begins to work, it lifts the direction rotation on the shank to order about the output shaft, because the revolving force that biax output motor provided is unanimous with user's leg lifting direction, consequently, can provide the helping hand for the user, thereby the follow-up required muscle power of lifting the shank of effectual reduction user, resume the initial stage of training after the knee joint injury, under the equal physical stamina consumption, the extension user knee joint activity training's that this laborsaving measure can show time, thereby play better training effect.
2. Because the assistance provided by the double-shaft output motor is provided after the user actively applies force to lift the lower leg, the conductor wire frame stops moving at the moment when the user stops lifting the lower leg, the LED lamp finishes emitting light, the photoelectric switch is switched off, the double-shaft output motor stops working, and the assistance stops, so that the training experience given to the user is more real and natural, unnecessary electric energy waste can be avoided, and the energy-saving effect is realized.
3. In the training process, a user stops leg muscles to exert force after lifting the legs, then the legs drive the second substrate to naturally swing back under the action of gravity, and in the swinging back process, the natural swinging back process of the legs is subjected to slow speed protection by utilizing the blocking effect of the viscous resistance between the liquids of the shear thickening liquid and the characteristic that the stronger the shear stress is, the larger the viscous force is.
Drawings
FIG. 1 is a schematic front view of a mobile device for early recovery after knee joint injury according to the present invention;
FIG. 2 is a sectional view showing the internal structure of a knee joint injury early recovery mobilization device according to the present invention;
FIG. 3 is an enlarged view of the structure A of FIG. 2;
FIG. 4 is a schematic view of a connection structure between a brush piece and an LED of a movable device for early recovery after knee joint injury according to the present invention;
fig. 5 is a schematic side view of the present invention showing a movable device for early recovery after knee joint injury.
In the figure: the device comprises a first base plate 1, a rotating shaft 2, a groove 3, a first mounting ring 4, a second mounting ring 5, a connecting rod 6, a second base plate 7, a double-shaft output motor 8, an output shaft 9, an insulating shell 10, a brush piece 11, a conductor wire frame 12, a magnet 13, an LED lamp 14, a diode 15, a photoelectric switch 16, a one-way bearing 17, a sealing connecting ring 18, a baffle cover 19, a baffle plate 20 and shear thickening fluid 21.
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 mobile device for early recovery after knee joint injury, including first base plate 1, the one end internal rotation of first base plate 1 is connected with pivot 2, the symmetry is equipped with two recesses 3 on first base plate 1, the one end of pivot 2 is gone up and is rotated and is connected with first collar 4, pivot 2 keeps away from one of first collar 4 and serves fixedly connected with second collar 5, first collar 4 and second collar 5 all are located recess 3, equal fixedly connected with connecting rod 6 on the lateral wall of first collar 4 and second collar 5, fixedly connected with second base plate 7 between two connecting rods 6, all be equipped with the one deck rubber membrane on first base plate 1 and the second base plate 7, the comfort when the rubber membrane can promote user's shank skin and paste first base plate 1 and second base plate 7.
Two brush pieces 11 of symmetry fixedly connected with on the lateral wall that biax output motor 8 is close to insulating casing 10, output shaft 9 keeps away from one of first collar 4 and serves fixedly connected with conductor wire frame 12, conductor wire frame 12's both ends are all rotated and are connected on the inside wall of brush piece 11, two magnet 13 of symmetry fixedly connected with on the inside wall of insulating casing 10, conductor wire frame 12 is located between two magnet 13, be connected with LED lamp 14 and diode 15 through the wire between two brush pieces 11, LED lamp 14 and diode 15 establish ties, be equipped with two on the biax output motor 8 and connect the electric wire, be equipped with photoelectric switch 16 on one of them connects the electric wire, photoelectric switch 16 just sets up LED lamp 14, connect the electric wire and be connected with external power supply.
When the activity recovery training is carried out, the thighs of the user are kept in a horizontal state, then the legs exert force to rotate the shanks around the knee joints to the direction far away from the thighs, namely, the shank is lifted, in the process, the second base plate 7 drives the first mounting ring 4 to rotate, the first mounting ring 4 drives the output shaft 9 to rotate relative to the first base plate 1, the output shaft 9 drives the conductor wire frame 12 to do cutting magnetic induction line motion in the magnetic field between the two magnets 13, when the conductor wire frame 12 is contacted with the brush piece 11, which forms a closed loop with an LED lamp 14 and a diode 15 through a lead, and based on the electromagnetic induction principle, current is generated in a conductor wire frame 12, therefore, during the process of lifting the lower leg, current is generated in the conductor wire frame 12, the LED lamp 14 emits light, and after receiving a light signal, the photoelectric switch 16 is closed, the double-shaft output motor 8 starts to work, and the output shaft 9 is driven to rotate along the rising direction of the shank.
Because the rotating force provided by the double-shaft output motor 8 is consistent with the leg lifting direction of the user, the power can be provided for the user, the muscle force required by the user for subsequently lifting the lower leg is effectively reduced, the labor-saving measure can obviously prolong the time of the knee joint activity training of the user under the same physical consumption at the initial stage of the recovery training after the knee joint injury, and a better training effect is achieved, and in addition, the power provided by the double-shaft output motor 8 is provided after the user actively applies force to lift the lower leg, so that the conductor wire frame 12 stops moving at the moment when the user stops lifting the leg, the LED lamp 14 finishes emitting light, the photoelectric switch 16 is disconnected, the double-shaft output motor 8 stops working, and the power is stopped, so the training experience given to the user is more real and natural, unnecessary electric energy waste can be avoided, and the energy-saving effect.
The slow-speed protection device comprises a one-way bearing 17, the one-way bearing 17 is arranged between the rotating shaft 2 and the second installation ring 5, a sealing connection ring 18 is rotatably connected on the inner side wall of the second installation ring 5, the sealing connection ring 18 is fixedly connected with the one-way bearing 17, a baffle cover 19 is rotatably connected on the inner side wall of the second installation ring 5, the baffle cover 19 is fixedly connected with the sealing connection ring 18, a plurality of baffle plates 20 which are obliquely arranged are symmetrically arranged on the baffle cover 19, a shearing thickening liquid 21 is arranged in the second installation ring 5, after the lower leg is lifted and rotated to be close to a straight line with the thigh, a user generally stops the force of leg muscles, so that the lower leg naturally swings back by means of gravity or slowly rotates back by controlling the force of the leg muscles, but the natural swinging back speed is high, and the flexibility of the knee joint is not suitable for the quick swinging back of the lower leg, in the invention, a user can stop leg muscle exerting after lifting the leg, then the leg drives the second substrate 7 to naturally swing back under the action of gravity, and in the process of swinging back, the natural swinging back process of the leg is slowly protected by using the blocking effect of the viscous resistance between the liquids of the shear thickening liquid 21 and the characteristic that the shear stress is stronger and the viscous force is larger.
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 (4)
1. A mobile device for the early stage of recovery after knee joint injury comprises a first base plate (1), it is characterized in that one end of the first base plate (1) is rotationally connected with a rotating shaft (2), two grooves (3) are symmetrically arranged on the first substrate (1), one end of the rotating shaft (2) is rotatably connected with a first mounting ring (4), a second mounting ring (5) is fixedly connected to one end of the rotating shaft (2) far away from the first mounting ring (4), the first mounting ring (4) and the second mounting ring (5) are both positioned in the groove (3), one side wall of each of the first mounting ring (4) and the second mounting ring (5) is fixedly connected with a connecting rod (6), a second substrate (7) is fixedly connected between the two connecting rods (6), the energy-saving auxiliary labor-saving device is arranged on the first mounting ring (4), and the retarding protection device is arranged on the second mounting ring (5).
2. The movable device for the initial recovery period after the knee joint injury according to claim 1, wherein the energy-saving auxiliary labor-saving device comprises a double-shaft output motor (8), the double-shaft output motor (8) is fixedly connected to a side wall of the first base plate (1) close to the first mounting ring (4), an output shaft (9) is arranged in the double-shaft output motor (8), one end of the output shaft (9) is fixedly connected to the first mounting ring (4), an insulating shell (10) is fixedly connected to the double-shaft output motor (8), two brush sheets (11) are symmetrically and fixedly connected to a side wall of the double-shaft output motor (8) close to the insulating shell (10), a conductor wire frame (12) is fixedly connected to one end of the output shaft (9) far from the first mounting ring (4), and two ends of the conductor wire frame (12) are both rotatably connected to an inner side wall of the brush sheets (11), two magnet (13) of symmetry fixedly connected with on the inside wall of insulating casing (10), conductor wire frame (12) are located between two magnet (13), two be connected with LED lamp (14) and diode (15) through the wire between brush piece (11), LED lamp (14) and diode (15) establish ties, be equipped with two electric connection wires on biax output motor (8), one of them be equipped with photoelectric switch (16) on the electric connection wire, photoelectric switch (16) are just setting up LED lamp (14).
3. The movable device for the initial recovery period after the knee joint injury according to claim 1, wherein the slow-speed protection device comprises a one-way bearing (17), the one-way bearing (17) is installed between the rotating shaft (2) and the second installation ring (5), the inner side wall of the second installation ring (5) is rotatably connected with a sealing connection ring (18), the sealing connection ring (18) is fixedly connected with the one-way bearing (17), the inner side wall of the second installation ring (5) is rotatably connected with a baffle cover (19), the baffle cover (19) is fixedly connected with the sealing connection ring (18), the baffle cover (19) is symmetrically provided with a plurality of baffle plates (20) which are obliquely arranged, and the second installation ring (5) is internally provided with shear thickening fluid (21).
4. The mobile device for the initial period of recovery after knee joint injury according to claim 1, wherein a rubber film is provided on each of the first base plate (1) and the second base plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471458.7A CN112618256A (en) | 2020-12-14 | 2020-12-14 | Movable device for initial recovery after knee joint injury |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471458.7A CN112618256A (en) | 2020-12-14 | 2020-12-14 | Movable device for initial recovery after knee joint injury |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112618256A true CN112618256A (en) | 2021-04-09 |
Family
ID=75313085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471458.7A Withdrawn CN112618256A (en) | 2020-12-14 | 2020-12-14 | Movable device for initial recovery after knee joint injury |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112618256A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006122642A (en) * | 2004-09-30 | 2006-05-18 | Tokyo Univ Of Science | Exercise stress providing device |
| US20120109029A1 (en) * | 2010-05-18 | 2012-05-03 | Shenzhen Breo Technology Co., Ltd. | Vibration transducer and somatosensory vibration device having vibration transducer |
| CN202665913U (en) * | 2012-04-27 | 2013-01-16 | 刘显东 | Convenient and fast rehabilitation training support for knee joint motion range |
| WO2013136149A1 (en) * | 2012-03-14 | 2013-09-19 | Borysikhin Sergiy Anatol Evich | Method for the functioning of a transportation means having at least one movable support, and device for the implementation thereof |
| CN108743224A (en) * | 2018-06-07 | 2018-11-06 | 中国电子科技集团公司第二十研究所 | Leg rehabilitation training and body-building exoskeleton robot |
| CN110403770A (en) * | 2019-07-15 | 2019-11-05 | 宋玉堂 | A kind of quick binding device of orthopaedic trauma |
| CN210472552U (en) * | 2018-12-25 | 2020-05-08 | 黄杰 | Knee joint movement training device |
| CN111135014A (en) * | 2020-01-15 | 2020-05-12 | 滨海县人民医院 | Multifunctional comprehensive treatment machine for orthopedic rehabilitation |
| CN111228101A (en) * | 2020-03-24 | 2020-06-05 | 缙云都画医疗科技有限公司 | Knee joint rehabilitation physiotherapy device |
| CN111904722A (en) * | 2020-08-31 | 2020-11-10 | 陈生木 | Ambulance stretcher with high protection effect |
| CN112006455A (en) * | 2020-08-24 | 2020-12-01 | 薛自宽 | Massage type office chair for leg shaking crowd |
| CN112058722A (en) * | 2020-08-24 | 2020-12-11 | 杨雨 | Photovoltaic panel self-cleaning system for solar lamp outside coastal city high-rise building wall |
-
2020
- 2020-12-14 CN CN202011471458.7A patent/CN112618256A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006122642A (en) * | 2004-09-30 | 2006-05-18 | Tokyo Univ Of Science | Exercise stress providing device |
| US20120109029A1 (en) * | 2010-05-18 | 2012-05-03 | Shenzhen Breo Technology Co., Ltd. | Vibration transducer and somatosensory vibration device having vibration transducer |
| WO2013136149A1 (en) * | 2012-03-14 | 2013-09-19 | Borysikhin Sergiy Anatol Evich | Method for the functioning of a transportation means having at least one movable support, and device for the implementation thereof |
| CN202665913U (en) * | 2012-04-27 | 2013-01-16 | 刘显东 | Convenient and fast rehabilitation training support for knee joint motion range |
| CN108743224A (en) * | 2018-06-07 | 2018-11-06 | 中国电子科技集团公司第二十研究所 | Leg rehabilitation training and body-building exoskeleton robot |
| CN210472552U (en) * | 2018-12-25 | 2020-05-08 | 黄杰 | Knee joint movement training device |
| CN110403770A (en) * | 2019-07-15 | 2019-11-05 | 宋玉堂 | A kind of quick binding device of orthopaedic trauma |
| CN111135014A (en) * | 2020-01-15 | 2020-05-12 | 滨海县人民医院 | Multifunctional comprehensive treatment machine for orthopedic rehabilitation |
| CN111228101A (en) * | 2020-03-24 | 2020-06-05 | 缙云都画医疗科技有限公司 | Knee joint rehabilitation physiotherapy device |
| CN112006455A (en) * | 2020-08-24 | 2020-12-01 | 薛自宽 | Massage type office chair for leg shaking crowd |
| CN112058722A (en) * | 2020-08-24 | 2020-12-11 | 杨雨 | Photovoltaic panel self-cleaning system for solar lamp outside coastal city high-rise building wall |
| CN111904722A (en) * | 2020-08-31 | 2020-11-10 | 陈生木 | Ambulance stretcher with high protection effect |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210409 |