CN106214368A - A kind of novel seat mechanism and be provided with the wheel-chair of this chair mechanism - Google Patents
A kind of novel seat mechanism and be provided with the wheel-chair of this chair mechanism Download PDFInfo
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- CN106214368A CN106214368A CN201610860646.6A CN201610860646A CN106214368A CN 106214368 A CN106214368 A CN 106214368A CN 201610860646 A CN201610860646 A CN 201610860646A CN 106214368 A CN106214368 A CN 106214368A
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- chair
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- support
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/14—Standing-up or sitting-down aids
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention provides a kind of novel seat mechanism, this chair mechanism mainly includes two four-bar linkages, two drive links, seat cushion link, baffle plate and the first drive mechanism, in addition the present invention also provides for a kind of wheel-chair being provided with this novel seat mechanism, this wheel-chair includes chassis walking mechanism, the fixed support being positioned at walking mechanism front portion, chassis, is positioned at the armrest mechanism on fixed support top, aiding upright mechanism, the pedal being positioned at both sides in the middle part of the walking mechanism of chassis and novel seat mechanism, it is achieved that the user random switching between stance and sitting posture；The present invention a kind of novel seat mechanism and be provided with the wheel-chair of this chair mechanism and have that design is ingenious, the advantage such as compact conformation, simple to operate and safety and stability.
Description
Technical field
The present invention relates to a kind of chair mechanism, particularly to a kind of novel seat mechanism and the wheelchair that is provided with this chair mechanism
Car.
Background technology
Although standing, rehabilitation wheelchair car help user achieves and stands, and allows it achieve and takes care of oneself, but user
Mostly it is paralysis crowd, the handicapped crowd of legs and feet or weak old people, due to the physical reason of these crowds self, uncomfortable
Close and stand for a long time.If user will be stood, rehabilitation wheelchair car has reached open air, can not find place and takes a load off one's feet, can be to making
User's is healthy unfavorable, although rehabilitation wheelchair car of standing can allow user be converted to sitting posture from stance, but user
Shank still to want roller Wheel-chair to support fixing, forward, user keeps this posture to can not get on the contrary to centre of body weight for a long time
Have a rest.
In sum, to be not suitable for life-time service rehabilitation wheelchair station of standing vertical and do not take a load off one's feet for user.Therefore, it is possible to
User can be taken a load off one's feet at any time on rehabilitation wheelchair car standing, liberate shank and need not and, by extraneous help, have
Significance.
Summary of the invention
It is an object of the invention to provide a kind of novel seat mechanism, this chair mechanism includes: two four-bar linkages,
Parallel Symmetric is arranged and is fixed by the frame bottom it；Two drive links, fixing end is hinged in described frame；Seat cushion is even
Bar, one end is vertically connected with seat support plate, the other end then by movable end and described two biographies of its internal spring arranged
The mobile terminal of lever is hinged, and at its other end also with the second side link extended end of said two four-bar linkage
It is hinged；The both sides of described seat cushion link are additionally provided with chute, and the movable end of described spring and the shifting of described two drive links
Moved end all can move reciprocatingly along described chute；Baffle plate, is positioned at said two four-bar linkage both sides and setting inside it
Limited location block；First drive mechanism, one end is movably connected on supporter, the company of the other end and described two drive link middle and lower parts
Fitting is hinged, and is used for driving described chair mechanism to stretch and shrinking.
Preferably, described two drive links are arc-shaped rod.
Preferably, the both sides of described seat support plate have been respectively articulated with seat cushion.
Preferably, described first drive mechanism is electric power push rod.
A kind of wheel-chair being provided with above-mentioned Novel chair structure, this wheel-chair includes: chassis walking mechanism, be positioned at the described end
The fixed support of dish walking mechanism front portion, bottom are fixed on the armrest mechanism on described fixed support top, aiding upright mechanism, position
The pedal of both sides and be positioned at the described Novel seat of described chassis walking mechanism postmedian in the middle part of the walking mechanism of described chassis
Chair mechanism.
Preferably, described chassis walking mechanism include base plate, the front component laying respectively at lower section before and after described base plate and
Wheel assembly.
Preferably, described aiding upright mechanism includes waist abdomen supporting mechanism, buttocks support support mechanism and knee supporting mechanism.
Preferably, described waist abdomen supporting mechanism includes that one end is connected with described fixed support top movable and the other end and abdomen
Walk with described chassis in the expansion link that portion's support means is connected, the Waist protection pad being connected with described abdominal support device both sides, one end
The second drive mechanism that mechanism is flexibly connected and the other end is flexibly connected with described expansion link middle and lower part.
Preferably, described buttocks support support mechanism includes two the 3rd driving machines being positioned at both sides, described fixed support top
Structure, one end are connected with said two the 3rd drive mechanism respectively and the other end is each passed through and is positioned at described abdominal support device both sides
Hook after be connected with described buttocks support stake pad both sides two bundling belts and one end and described buttocks support stake pad both sides phase
Even and be connected with described knee supporting mechanism two of the other end are connected band.
Preferably, also include the second driving mechanisms control device being positioned at described armrest mechanism end and be positioned at described abdominal part
The integrated manipulator on support means top.
The to sum up present invention a kind of novel seat mechanism and be provided with the wheel-chair of this chair mechanism and have that design is ingenious, structure is tight
Gather, the advantage such as simple to operate and safety and stability.
Should be appreciated that aforementioned description substantially is exemplary illustration and explanation with follow-up detailed description, should not
It is used as the restriction of content claimed to the present invention.
Accompanying drawing explanation
With reference to the accompanying drawing enclosed, as follows by by embodiment of the present invention of the more purpose of the present invention, function and advantage
Description is illustrated, wherein:
Fig. 1 schematically shows external structure when novel seat mechanism of the present invention shrinks；
Fig. 2 schematically shows cut-away view when novel seat mechanism of the present invention stretches；
Fig. 3 (a) to Fig. 3 (d) schematically shows the schematic diagram of novel seat mechanism of the present invention stretching process；
Fig. 4 schematically shows user and stands the schematic diagram on wheel-chair of the present invention；
Fig. 5 schematically shows the schematic diagram that user is sitting on wheel-chair of the present invention.
Detailed description of the invention
By with reference to one exemplary embodiment, the purpose of the present invention and function and for realizing the side of these purposes and function
Method will be illustrated.But, the present invention is not limited to one exemplary embodiment disclosed below；Can be come by multi-form
It is realized.The essence of description is only the detail helping the various equivalent modifications Integrated Understanding present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar parts, or same or similar step.
Fig. 1 to Fig. 3 shows the various structures schematic diagram of the present invention a kind of novel seat mechanism 8, and user passes through this
Bright novel seat mechanism 8 can keep sitting posture state to obtain certain rest.This chair mechanism 8 specifically includes that two hinges
Four-bar mechanism (containing frame the 801, first side link the 802, second side link 803 and connecting rod 804), two drive links 805, seat cushions are even
Bar 806, baffle plate 809 and the first drive mechanism 811.
Two four-bar linkages (containing frame the 801, first side link the 802, second side link 803 and connecting rod 804) are parallel
It is arranged symmetrically with and is fixed by the frame 801 bottom it.
Two drive links 805, its fixing end is hinged in described frame 801, it is preferable that two drive links 805 are designed as
The rod member of arcuate structure, can effectively reduce the novel seat mechanism 8 of the present invention volume when retracted position.
Seat cushion link 806, one end is vertically connected with seat support plate 807, the other end then by its internal spring arranged
The mobile terminal of the movable end of 812 and two drive links 805 is hinged, and at its other end also with said two hinge four-bar
Second side link 803 extended end of mechanism is hinged；The both sides of described seat cushion link 806 are additionally provided with chute, and described spring
The movable end of 812 and the mobile terminal of described two drive links 805 all can move reciprocatingly along described chute.
Baffle plate 809, is positioned at inside said two four-bar linkage both sides and baffle plate 809 and is also respectively provided with limited block
810, it is mainly used in the lower leg crash preventing user and produces accidental wound to the internal mechanism of novel seat mechanism 8 of the present invention
Evil.Limited block 810 is then by stopping that the rotation of the first side link 802 prevents flexible seat cushion mechanism 8 overextension simultaneously.
First drive mechanism 811, one end is movably connected on supporter, in the other end and described two drive links 805 under
The connector in portion is hinged, and is used for driving described chair mechanism 8 to stretch and shrink.First drive mechanism 811 and second drives machine
Structure 42 (as shown in Figure 5) is linear actuator and preferably employs electric power push rod or hydraulic push rod, and the first drive mechanism 811 drives
Described connector also drives 805, two four-bar linkages of two drive links and seat cushion link 806 to rotate simultaneously, thus realizes
Novel seat mechanism 8 switches between stretching and be flexible, realizes user further in sitting posture and the switching at any time between standing.
Fig. 3 (a) to Fig. 3 (d) shows the novel seat mechanism 8 of the present invention concrete stretching, extension from contraction state to deployed condition
Process.
First the first drive mechanism 811 drives chair mechanism 8 of the present invention to stretch from fully collapsed condition (as shown in Fig. 3 (a))
Exhibition is to limited block 810 position (as shown in Fig. 3 (b)), and now the first side link 802 stops and limits two for limited piece 810
Four-bar linkage continues to stretch (i.e. first side link the 802, second side link 803 and connecting rod 804 all stop operating), so far bullet
Spring 812 is constantly in relative relaxation state.
Next continues to press on two drive links 805 and rotates and compression spring 812, drives two drive links 805 to move simultaneously
End and spring 812 movable end along tangent line lower right rotate (as shown in Fig. 3 (c)), the effect of spring 812 herein be in order to
Prevent rotate stuck phenomenon, specifically in order to stuck phenomenon occurring between two drive links 805 and seat cushion link 806, by
The internal spring 812 arranged of seat cushion link 806 can avoid the generation of stuck phenomenon dexterously, and so far spring 812 is constantly in
Compressive state relatively.
Finally also continue to promote two drive links 805 to rotate and make seat cushion link 806 be in plumbness, so that seat cushion
Gripper shoe 807 is in level, and spring 812 relaxes gradually in this process, during until spring 812 is back to initial state
Stuck phenomenon occur between two drive links 805 and seat cushion link 806, now the first drive mechanism 811 also stops driving, so far
Complete whole stretchings of chair mechanism 8.On the contrary, chair mechanism 8 returns the process of contraction state with upper from extended configuration
State process just the opposite.
Novel seat mechanism 8 of the present invention double-strand chain based on Parallel Symmetric four-bar mechanism realize dexterously seat stretching, extension and
Contractile function, and there is the plurality of advantages such as floor space is little, simple and compact for structure and portable in actual applications.
Fig. 4 and Fig. 5 respectively illustrates the stance of a kind of wheel-chair 100 being provided with described novel seat mechanism 8 and sitting posture shows
It is intended to.Wheel-chair 100 of the present invention includes: chassis walking mechanism 1, fixed support 2, armrest mechanism 3, aiding upright mechanism are (containing waist
Abdomen supporting mechanism 4, buttocks support support mechanism 5 and knee supporting mechanism 6), pedal 7 and being positioned in described chassis walking mechanism 1
The described novel seat mechanism 8 at rear portion.The use object of wheel-chair 100 of the present invention is mainly disabled, and such as leg is disabled
Or lower part of the body paralytic.
Chassis walking mechanism 1 is positioned at the bottom of wheel-chair 100, be mainly used in carrying user driving wheel Wheel-chair 100 to
Front traveling.This wheel-chair 100 includes base plate 11, front component 12, wheel assembly 13, wherein front component 12 be driving wheel, after
Wheel assembly 13 is for driven pulley and preferably employs Universal wheel structure.
Being respectively arranged below front component 12 and wheel assembly 13 before and after base plate 11, wherein front component 12 is for driving
Wheel, wheel assembly 13 are for driven pulley and preferably employ universal wheel component.Front component 12 is additionally provided with shock-absorbing arms, damping trough and subtracts
Shake damping, similarly, wheel assembly 13 is also equipped with corresponding damping device, thus effectively reduces this wheel-chair 100 and be expert at
The shockproofness produced during sailing, it is ensured that the safety of user and add the ride comfort of user.
Pedal 7 is positioned at the both sides, middle part of base plate 11, is provided with annular barrier sheet, prevents user before and after pedal 7
Both feet occur bigger slip, serve regular user both feet purpose.
Fixed support 2, is positioned at the front upper of base plate 11 and for steel frame construction, is fixedly connected on base plate 11 bottom it,
Primarily serve fixed and movable interconnection function.
Armrest mechanism 3, is positioned at the surface of fixed support 2, as in figure 2 it is shown, be fixedly connected on bottom it on fixed support 2
Portion is also arranged vertically upward, mainly includes expansion link 31, is positioned at the handle 32 of expansion link 31 upper end and is positioned at handle 32 end
The second driving mechanisms control device 33 in portion.Expansion link 31 is two grades of bars or multistage bar structure, retractable self-locking, in use
Can be adjusted according to the height of user.
Waist abdomen supporting mechanism 4, for supporting waist and the abdominal part of user, prevents user from toppling over forward or backward, side
Help user stably to stand and realize standing for a long time.Waist abdomen supporting mechanism 4 mainly includes one end and fixed support 2 top movable
Connect and expansion link 41 that the other end is connected with abdominal support device 43, the Waist protection pad that is connected with abdominal support device 43 both sides
44, one end is flexibly connected with chassis walking mechanism 1 and the other end is flexibly connected by the second drive mechanism with expansion link 41 middle and lower part
The second drive mechanism 42 that controller 33 controls.
The top of abdominal support device 43 is additionally provided with for controlling 811, two the 3rd drive mechanisms of the first drive mechanism
53 and the integrated manipulator 45 of front component 12.
Buttocks support support mechanism 5, for supporting the buttocks of user, prevents user from the phenomenon of astasia occur.Buttocks
Supporting mechanism 5 mainly include being positioned at two the 3rd drive mechanisms 53, one end of both sides, fixed support 2 top respectively with two the 3rd
Drive mechanism 53 is connected and the other end be each passed through after the hook 55 being positioned at abdominal support device 43 both sides with buttocks support stake pad 52
What both sides were connected two bundling belts 51 and one end is connected with buttocks support stake pad 52 both sides and the other end and knee supporting mechanism 6
The two connection bands 54 being connected.
Knee supporting mechanism 6, is used for preventing user knee from bending and assists user shank to realize stably standing.
Knee supporting mechanism 6 is positioned on fixed support and is flexibly connected with it, thus realizes synchronizing when user shank bends
Rotate, improve the support comfort level of shank.
Preferably, abdominal support device 43, Waist protection pad 44, buttocks support stake pad 52, knee supporting mechanism 6 and pedal 7
Structure design should meet the part of human engineering and physical contact with the user and all use software vibration-absorptive material, thus greatly
Improve user abdominal part, waist, buttocks, sole and shank or the comfort level of knee support.
When user needs to be switched to sitting posture by stance, first operation integrated manipulator 45 controls the first drive mechanism
812 make flexible seat cushion mechanism 8 start to stretch, and when being fully extended, seat cushion link 806 is just at plumbness, and now
Seat support plate 807 is then in level, further spreads out seat cushion 808 and can realize the function of seat.Control the most again
Two drive mechanisms 42 and the 3rd drive mechanism 53 make waist abdomen supporting mechanism 4 and buttocks support support mechanism 5 slowly puts down until user
Buttocks sits on seat cushion 808.On the contrary, when user needs to be switched to stance by sitting posture, the second driving machine first should be controlled
Structure 42 and the 3rd drive mechanism 53 make waist abdomen supporting mechanism 4 and buttocks support support mechanism 5 slowly rise until user is in stands
State, operates integrated manipulator 45 the most again and controls the first drive mechanism 811 and make flexible seat cushion mechanism 8 start to shrink at until flexible
Complete.
In sum, user driving wheel-chair 100 of the present invention can be implemented in and easily cuts between sitting posture and stance
Changing, user can complete to cook on scooter 100, have dinner, the daily routines such as go to toilet, and realizes further taking care of oneself.Make
User can repeat to sit down by aiding upright mechanism and chair mechanism on wheel-chair 100 and stand, and does simply for leg
Rehabilitation squatting up training.User can take a load off one's feet whenever and wherever possible according to self needs, when wheel-chair 100 is opened by user
To time outdoor, the importance of novel seat mechanism 8 will obtain sufficient embodiment.Further, user either sits down use
Meal or work, all need not spin off from wheel-chair, stand also without the buttocks again dressing wheel-chair after sitting down again
Portion's supporting pad, substantially increases the convenience using wheel-chair.User can select traveling wheel-chair of standing, it is also possible to choosing
Selecting traveling wheel-chair of sitting down, sitting down and standing is used alternatingly, and blood is circulated, more favourable to user health.Seat shrinks
After take up room little, do not interfere with the use of wheel-chair.Finally, the present invention also has ingenious, the compact conformation of design, simple to operate
And the advantage such as safety and stability.
Described accompanying drawing is only and schematically and not in scale draws.Although the present invention being entered already in connection with preferred embodiment
Go description, it is to be understood that protection scope of the present invention is not limited to embodiment as described herein.
In conjunction with explanation and the practice of the present invention disclosed here, other embodiments of the present invention are for those skilled in the art
All it is easy to expect and understand.Illustrating and embodiment is to be considered only as exemplary, true scope and the purport of the present invention are equal
It is defined in the claims.
Claims (10)
1. a novel seat mechanism, this chair mechanism includes:
Two four-bar linkages, Parallel Symmetric is arranged and is fixed by the frame bottom it；
Two drive links, fixing end is hinged in described frame；
Seat cushion link, one end be vertically connected with seat support plate, the other end then by the movable end of its internal spring arranged with
The mobile terminal of described two drive links is hinged, and at its other end also with the second of said two four-bar linkage even
Hack lever extended end is hinged；The both sides of described seat cushion link are additionally provided with chute, and the movable end of described spring and described two
The mobile terminal of drive link all can move reciprocatingly along described chute；
Baffle plate, be positioned at said two four-bar linkage both sides and its inside be provided with limited block；
First drive mechanism, one end is movably connected on supporter, the connector of the other end and described two drive link middle and lower parts
It is hinged, is used for driving described chair mechanism to stretch and shrinking.
Chair mechanism the most according to claim 1, it is characterised in that: described two drive links are arc-shaped rod.
Chair mechanism the most according to claim 1, it is characterised in that: the both sides of described seat support plate have been respectively articulated with seat
Pad.
Chair mechanism the most according to claim 3, it is characterised in that: described first drive mechanism is electric power push rod.
5. being provided with a wheel-chair for Novel chair structure according to any one of Claims 1-4, this wheel-chair includes: chassis
Walking mechanism, be positioned at the anterior fixed support of described chassis walking mechanism, bottom is fixed on the handrail on described fixed support top
Mechanism, aiding upright mechanism, it is positioned at the pedal of both sides in the middle part of the walking mechanism of described chassis and is positioned at described chassis vehicle with walking machine
The described novel seat mechanism of structure postmedian.
Wheel-chair the most according to claim 5, it is characterised in that: described chassis walking mechanism includes base plate, lays respectively at
Front component below before and after described base plate and wheel assembly.
Wheel-chair the most according to claim 6, it is characterised in that: described aiding upright mechanism include waist abdomen supporting mechanism,
Buttocks support support mechanism and knee supporting mechanism.
Wheel-chair the most according to claim 7, it is characterised in that: described waist abdomen supporting mechanism includes that one end is fixing with described
Frame upper be flexibly connected and the other end be connected with abdominal support device expansion link, be connected with described abdominal support device both sides
Waist protection pad, one end is flexibly connected with described chassis walking mechanism and the other end is flexibly connected with described expansion link middle and lower part
Two drive mechanisms.
Wheel-chair the most according to claim 8, it is characterised in that: described buttocks support support mechanism includes being positioned at described fixing
Two the 3rd drive mechanisms, one end of both sides, frame top are connected with said two the 3rd drive mechanism respectively and the other end is worn respectively
Cross be connected with described buttocks support stake pad both sides after being positioned at the hook of described abdominal support device both sides two bundling belts and
One end and described buttocks support stake pad both sides are connected and the other end is connected with described knee supporting mechanism two be connected band.
Wheel-chair the most according to claim 9, it is characterised in that: also include being positioned at the second of described armrest mechanism end
Driving mechanisms control device and be positioned at the integrated manipulator on described abdominal support device top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860646.6A CN106214368B (en) | 2016-09-28 | 2016-09-28 | A kind of novel seat mechanism and the wheel-chair provided with the chair mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860646.6A CN106214368B (en) | 2016-09-28 | 2016-09-28 | A kind of novel seat mechanism and the wheel-chair provided with the chair mechanism |
Publications (2)
| Publication Number | Publication Date |
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| CN106214368A true CN106214368A (en) | 2016-12-14 |
| CN106214368B CN106214368B (en) | 2017-09-29 |
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| CN201610860646.6A Active CN106214368B (en) | 2016-09-28 | 2016-09-28 | A kind of novel seat mechanism and the wheel-chair provided with the chair mechanism |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107822354A (en) * | 2017-11-14 | 2018-03-23 | 漳州优普激光科技有限公司 | A kind of stand-type chair of intelligence |
| CN109223386A (en) * | 2018-08-09 | 2019-01-18 | 中山爱君智能科技有限公司 | A kind of auxiliary action nursing robot |
| CN109771231A (en) * | 2019-01-21 | 2019-05-21 | 天津科技大学 | Children with cerebral palsy rehabilitation go-cart |
| CN110662520A (en) * | 2017-05-23 | 2020-01-07 | 亨特来夫工业技术有限公司 | Flexible leg support membrane, leg support frame and mobile patient standing and rising aid |
| CN110859723A (en) * | 2019-12-03 | 2020-03-06 | 郑州轻工业大学 | Auxiliary standing trolley with lumbar support function |
| CN111096862A (en) * | 2019-12-31 | 2020-05-05 | 广东铱鸣智能医疗科技有限公司 | Wheelchair seat backrest system and standing wheelchair with same |
| CN111920597A (en) * | 2020-09-04 | 2020-11-13 | 天津科技大学 | Multifunctional standing assisting chair |
| IT202000023869A1 (en) | 2020-10-12 | 2022-04-12 | Comfort Online S R L | STATIC-DYNAMIC STABILIZER |
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