CN102370548A - Single-arm wheelchair - Google Patents
Single-arm wheelchair Download PDFInfo
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- CN102370548A CN102370548A CN201110208580XA CN201110208580A CN102370548A CN 102370548 A CN102370548 A CN 102370548A CN 201110208580X A CN201110208580X A CN 201110208580XA CN 201110208580 A CN201110208580 A CN 201110208580A CN 102370548 A CN102370548 A CN 102370548A
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- ratchet
- trailing wheel
- travelling gear
- locking mechanism
- pair
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Abstract
The invention discloses a single-arm wheelchair, which comprises a pair of frames, front wheels and a pair of synchronously rotating back wheels, wherein a reversing locking mechanism is rotationally connected to a back wheel installation seat of one frame; the back wheel installation seat comprises an installation bottom plate which is rotationally connected to a back wheel revolving shaft, a first one-way gear and a second one-way gear which are movably arranged on the bottom plate and are parallel to the revolving shaft, and a transmission gear which is coaxially fixed on a back wheel hub; the rotating directions of the first one-way gear and the second one-way gear are opposite; the reversing locking mechanism has three working states: 1, the second one-way gear is separated from the transmission gear, and the first one-way gear is meshed with the transmission gear; 2, the first one-way gear is separated from the transmission gear, and the second one-way gear is meshed with the transmission gear; and 3, both the first one-way gear and the second one-way gear are separated from the transmission gear; a swinging rod is rotationally connected to the frame; one end part of a connecting rod is rotationally connected to the swinging rod; and the other end part of the connecting rod is rotationally connected to the installation bottom plate.
Description
Technical field
The present invention relates to a kind of wheelchair, relate in particular to a kind of manual wheelchair of one-hand operation.
Background technology
The common in the market common structure of manual wheelchair that is applicable to people with disability, patient or old people's use is more single, is to lean on the user bimanualness or promote wheelchair by the nursing staff to advance mostly.Common manual wheelchair, primary structure has: vehicle frame, be separately positioned on pedal on the vehicle frame, handle, backrest, medicated cushion and a pair of before universal wheel and pair of rear wheels.Described trailing wheel directly is installed on the vehicle frame through wheel shaft.The common manual wheelchair of tradition generally is applicable to the user that those both hands are sound, does not but consider their special sign for the patient of some hemiplegic patients or upper limb disability, and it can't control wheelchair through one hand, and controls effort.In addition; Wheelchair to the hemiplegic patient is also arranged in the market; Like the patent No. is 200620119282.8 patent, and it is through two axles, secondary axes of a main shaft; Bearing and gear structure are set on main shaft and secondary axes respectively then realize transmission control, but this method complex structure is made difficulty and transmission efficiency is not high.
Summary of the invention
The objective of the invention is to overcome the problem that exists in the prior art, a kind of monolateral rocking bar drive-type wheelchair simple in structure, reliable is provided, to satisfy one-sided upper limb the disabled or hemiplegic patient's instructions for use.
In order to realize above specification requirement; The present invention adopts following technical scheme: a kind of single armed wheelchair; Comprise: front-wheel, rotation synchronously that a pair of symmetrical vehicle frame, rotation are arranged on a pair of described vehicle frame are arranged on the trailing wheel on a pair of described vehicle frame; Be set with on this vehicle frame and be used for fixing the trailing wheel mount pad of installing described trailing wheel; Be rotatably connected to trailing wheel flower-drum and switching-over locking mechanism through the trailing wheel rotating shaft on the trailing wheel mount pad of one of them described vehicle frame; Described switching-over locking mechanism comprises: can be rotatably connected on installation base plate in the described trailing wheel rotating shaft, be movably arranged on the described installation base plate and can be around self axial line folk prescription to first ratchet that rotates and second ratchet, the coaxial travelling gear that is fixedly connected on the described trailing wheel flower-drum; The turning cylinder of described first ratchet and second ratchet is parallel to each other; And direction of rotation, described switching-over locking mechanism has at least three duties, when described switching-over locking mechanism is in first duty; Described second ratchet and described travelling gear are separated, and described first ratchet is meshed with described travelling gear; When described switching-over locking mechanism was in second duty, described first ratchet and described travelling gear were separated, and described second ratchet is meshed with described travelling gear; When described changement was in the 3rd duty, described first ratchet and second ratchet all were separated with described travelling gear; Be rotatably connected to rocking bar through first rotating shaft on the described vehicle frame, and be rotatably connected to an end of connecting rod on the described rocking bar, the other end of described connecting rod is rotatably connected on the described installation base plate.
Preferably, described installation base plate is provided with second rotating shaft, is rotatably connected to reversing plate in described second rotating shaft, and described first ratchet and second ratchet are rotatably connected on respectively on the described reversing plate.
Preferably; Described switching-over locking mechanism also comprises the case that is fixedly mounted on the described installation base plate and is connected with described reversing plate and is positioned at the reversing handle in the described case outside; Offer a pair of arc guide barrel on the described case, the axis coinciding of the center of circle of described a pair of arc guide barrel and described second rotating shaft.
Preferably, the center of described first ratchet and second ratchet is respectively arranged with unilateral bearing.
Preferably, described first ratchet and second ratchet are not only rotatable but also be connected slidably on the described installation base plate respectively.
Preferably, the modulus of described first ratchet and second ratchet is less than the modulus of described travelling gear.
Preferably, also removably be provided with telescopic power transmission shaft between a pair of described trailing wheel.
Preferably, be provided with universal cradle head between one of them in the described front-wheel and the described rocking bar.
Preferably; Described universal cradle head comprises can be around rotating first axle sleeve of described first rotating shaft, spherical hinge, steering link, standpipe of front fork; Described rocking bar can be in self axial line be arranged on described first axle sleeve rotationally; Described spherical hinge off-centre is connected the bottom of described rocking bar, and an end of described steering link is connected with described spherical hinge is universal, and the other end is connected with described standpipe of front fork is eccentric.
Operation principle of the present invention is: user can be selected first ratchet or second ratchet and travelling gear engagement through reversing handle, through to a direction swing rocking bar, makes connecting rod drive the installation base plate and rotates then; Because the effect of unilateral bearing makes the ratchet spline with the travelling gear engagement; And then make this ratchet stir the travelling gear one-directional rotation, when reverse swing rocking bar, this ratchet rotates around self axial line; Therefore no longer driving force is provided for travelling gear; Therefore wheelchair can negative line feed, when user is constantly swung rocking bar, wheelchair is constantly advanced to single direction.Can select to let wheelchair advance, retreat or be in the neutral state through the reversing handle user; Realize rotating synchronously through power transmission shaft between the pair of rear wheels of wheelchair; For making wheelchair be suitable for singlehanded control equally in turning; One of them front-wheel is connected through universal joint with the rocking bar bottom, and user only needs rotating rocker can control the rotation direction of wheelchair.
Because the technique scheme utilization, the present invention compared with prior art has advantage and effect:
The present invention utilizes a pair of ratchet optionally to cooperate with travelling gear respectively; Thereby realize the advancing of wheelchair, retreat, action such as turning to have motion steadily, reliable in structure; Advantage simple to operate; And control part through the crank and rocker mechanism transmission, and prolonged the application of force arm of force, therefore drive more laborsaving than traditional manual type.
Description of drawings:
Accompanying drawing 1 is a side view of the present invention;
Accompanying drawing 2 is axonometric chart of the present invention (case that does not show the switching-over locking mechanism);
Accompanying drawing 3 is the sketch map (not showing case) of switching-over locking mechanism;
Accompanying drawing 4 is the axonometric chart of switching-over locking mechanism;
Accompanying drawing 5 is the front view (not showing reversing plate) of switching-over locking mechanism;
Wherein:
100, crank and rocker mechanism; 101, rocking bar; 102, connecting rod;
200, universal cradle head; 201, first axle sleeve; 202, steering link; 203, spherical hinge; 205, standpipe of front fork;
300, switching-over locking mechanism; 301, reversing handle; 302, base plate is installed; 303, first ratchet; 304, second ratchet; 306, travelling gear; 307, reversing plate; 308, second rotating shaft; 310, case; 311, arc guide barrel;
400, front-wheel; 401, trailing wheel; 403, trailing wheel flower-drum; 404, trailing wheel rotating shaft; 405, power transmission shaft;
500, vehicle frame; 501, pedal; 502, handle; 503, medicated cushion; 504, backrest; 505, trailing wheel mount pad; 506, first rotating shaft;
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described; Wherein, " the place ahead " described in this description refers to left side in the accompanying drawing 1; " rear " refers to right side shown in the accompanying drawing 1, described in this description " on ", D score position relation concerns corresponding with upper-lower position shown in the accompanying drawing 1:
A kind of single armed wheelchair; Comprise: a pair of symmetrical vehicle frame 500, rotate the front-wheel 400 that is arranged on a pair of described vehicle frame 500, can be arranged on the trailing wheel 401 on a pair of described vehicle frame 500 synchronously rotationally; One of them front-wheel 402 is connected on the vehicle frame through universal cradle head 200, to help actions such as the wheelchair completion turns to.Be set with on this vehicle frame 500 and be used for fixing the trailing wheel mount pad 505 of installing described trailing wheel 401.Pedal 501, handle 502, medicated cushion 503, backrest 504 etc. are housed on the vehicle frame 500.Be rotatably connected to trailing wheel flower-drum 403 and switching-over locking mechanism 300 through trailing wheel rotating shaft 404 on the trailing wheel mount pad 505 of one of them described vehicle frame 500; This switching-over locking mechanism 300 is in transmission connection with the trailing wheel 401 of homonymy; Trailing wheel is advanced or retreat locking through this switching-over locking mechanism 300, thereby realize that the unidirectional of wheelchair advance.The trailing wheel rotating shaft 404 of pair of rear wheels 401 is the quick detach axle, therefore according to the custom of different users left side or east side operation, can convenient the both sides trailing wheel be exchanged, thereby the locking mechanism that will commutate is changed to an other side of wheelchair.Removably be provided with power transmission shaft 405 between the pair of rear wheels 401; This power transmission shaft 405 makes pair of rear wheels be able to synchronous rotation; This power transmission shaft 405 has the structure of extension type simultaneously, can realize quick loading and unloading, when fully collapsible invalid's chair; Can power transmission shaft 405 and pair of rear wheels be separated through shrinking this power transmission shaft 405, thus the folding of realization wheelchair.
Be rotatably connected to rocking bar 101 through first rotating shaft 506 on the described vehicle frame 500, and be rotatably connected to an end of connecting rod 102 on the described rocking bar 101, the other end of described connecting rod 102 is rotatably connected on the described switching-over locking mechanism 300.Crank and rocker mechanisms 100 are formed in shown first rotating shaft 506, rocking bar 101, connecting rod 102, switching-over locking mechanism 300 and trailing wheel rotating shaft 404, and user is held rocking bar 101 swings, can make switching-over locking mechanism 300 drive trailing wheels 401 and rotate.Can prolong acting force arm through rocking bar 101, connecting rod 102, play the labour-saving action effect.
Described switching-over locking mechanism 300 comprises: can be rotatably connected on installation base plate 302 in the described trailing wheel rotating shaft 404, rotate through second rotating shaft 308 and be arranged on a pair of reversing plate 307, the coaxial travelling gear of installing on the base plate 302 306 that is fixedly connected on the described trailing wheel flower-drum 403; Rotate between the described a pair of reversing plate 307 that be provided with can be around self axial line folk prescription to first ratchet 303 and second ratchet 304 that rotate; The turning cylinder of described first ratchet 303 and second ratchet 304 is parallel to each other; And direction of rotation is (shown in the accompanying drawing 3; The rotation direction of first ratchet 303 is counterclockwise; The rotation direction of second ratchet 304 is a clockwise direction), the center of described first ratchet 303 and second ratchet 304 is respectively arranged with unilateral bearing.Said installation base plate 302 and driving cog 306 shared trailing wheel rotating shafts 404, when ratchet was stirred the travelling gear rotation, travelling gear 306 drove advancing of trailing wheel 401 rotation realization wheelchairs again and retreats.In other embodiments of the invention; Described first ratchet 303 and second ratchet 304 can also be realized on described installation base plate 302 through not only rotating but also being slidingly connected; So just ratchet has not been installed at needs reversing plate 307; Ratchet is through the sliding transform operating position, thereby realization is meshed or do not meshed with travelling gear.
Described switching-over locking mechanism 300 also comprises the case 310 that is fixedly mounted on the described installation base plate 302 and is connected with described reversing plate 307 and is positioned at the reversing handle 301 in described case 310 outsides; Offer a pair of arc guide barrel 311 on the described case 310; The axis coinciding of the center of circle of described a pair of arc guide barrel 311 and described second rotating shaft 308; Be fixed with 2 double-screw bolts on the described reversing handle 301; 2 double-screw bolts are inserted in respectively and in a pair of arc guide barrel 311, pass case 310 and be connected with the two ends of reversing plate 307 respectively; Therefore stir reversing handle 301 reversing plate 307 is rotated, thereby first ratchet 303 and second ratchet 304 are optionally meshed with travelling gear 306.
Described switching-over locking mechanism 300 has three duties:
One, user is through stirring reversing handle 301; Described second ratchet 304 is separated with described travelling gear 306; When described first ratchet 303 was meshed with described travelling gear 306, described switching-over locking mechanism was in first duty.Referring to accompanying drawing 3～5; At this moment, when user shakes rocking bar 101 clockwise, rocking bar 101 drives to be installed base plates 302 and clockwise rotates; And first ratchet 303 clockwise direction spline under the effect of unilateral bearing; Therefore first ratchet 303 is along with the rotation that base plate 302 is installed is stirred travelling gear 306 around trailing wheel rotating shaft 404 rotations, and travelling gear 306 further drives pair of rear wheels 401 and clockwise rotates, and wheelchair moves backward; After rocking bar 101 was swung the arrival extreme position clockwise, user began counterclockwise backswing rocking bar 101, drove installation base plate 302 and oppositely rotated counterclockwise; At this moment; First ratchet 303 in self axis rotation again around travelling gear 306 revolution because first ratchet 303 is no longer to travelling gear 306 application of forces, so travelling gear 306 can not travel forward in the other direction; So repeat to swing rocking bar 101, can make constantly motion backward of wheelchair;
Two, user is through stirring reversing handle 301; Described first ratchet 303 is separated with described travelling gear 306; When described second ratchet 304 was meshed with described travelling gear 306, described switching-over locking mechanism was in second duty.At this moment, when user shakes rocking bar 101 clockwise, rocking bar 101 drives to be installed base plates 302 and clockwise rotates; Both around travelling gear 306 revolution, fork was around self axial line rotation along clockwise direction for second ratchet 304, and therefore second ratchet 304 is not to travelling gear 306 application of forces; After rocking bar 101 was swung the arrival extreme position clockwise, user drove rocking bar 101 counter-clockwise swings installation base plate 302 and rotates counterclockwise around trailing wheel rotating shaft 404; Second ratchet, 304 backward rotation, because second ratchet, 304 counter clockwise direction splines, therefore in the process that installation base plate 302 rotates counterclockwise; Second ratchet 304 is stirred travelling gear 306 and is rotated counterclockwise, and travelling gear 306 drives pair of rear wheels 401 and rotates counterclockwise, thereby wheelchair is advanced; Swing rocking bar 101 repeatedly, wheelchair is constantly travelled forward;
Three, user is through stirring reversing handle 301; Described first ratchet 303 is all separated with travelling gear 306 with second ratchet 304; Be under the situation of the 3rd duty at described switching-over locking mechanism; At this moment, travelling gear 306 breaks away from and drives, and need nurse the control wheelchair through the third party and advance or retreat.
Described single armed wheelchair is through controlling the direction of wheelchair with the front-wheel 400 of rocking bar 101 homonymies; Specifically; Front-wheel 400 is rotatably connected on the vehicle frame 500 through front fork; Front fork top has standpipe of front fork 205, is connected through universal cradle head 200 between standpipe of front fork 205 and the rocking bar 101, and universal cradle head 200 comprises and can be connected spherical hinge 203, steering link 202 in described first axle sleeve 201 around rotating first axle sleeve 201 of first rotating shaft 506, off-centre; One end of steering link 202 and 203 universal connections of spherical hinge, the other end and 205 eccentric connections of standpipe of front fork.Described rocking bar 101 is arranged in described first axle sleeve 201 around self axial line (perpendicular to first rotating shaft 506) rotationally; Said first axle sleeve 201 rotates around first rotating shaft 506 with rocking bar 101; Simultaneously because spherical hinge 203 off-centre are connected the bottom of rocking bar 101; Therefore user is held rocking bar 101 when the axial line of himself rotates, and rocking bar 101 can rotate and drive standpipe of front fork 205 and rotate, and rotates arbitrarily angled thereby drive front-wheel 400.Mechanisms such as this universal cradle head 200 and rocking bar are connected on the vehicle frame through quick-disassembly structure, so that change the direction of operating of wheelchair rapidly.
In addition, the modulus of described first ratchet 303 and second ratchet 304 is less than the modulus of described travelling gear 306.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. single armed wheelchair; Comprise: front-wheel, rotation synchronously that a pair of symmetrical vehicle frame, rotation are arranged on a pair of described vehicle frame are arranged on the trailing wheel on a pair of described vehicle frame; Be set with on this vehicle frame and be used for fixing the trailing wheel mount pad of installing described trailing wheel; It is characterized in that: be rotatably connected to trailing wheel flower-drum and switching-over locking mechanism through the trailing wheel rotating shaft on the trailing wheel mount pad of one of them described vehicle frame; Described switching-over locking mechanism comprises: can be rotatably connected on installation base plate in the described trailing wheel rotating shaft, be movably arranged on the described installation base plate and can be around self axial line folk prescription to first ratchet that rotates and second ratchet, the coaxial travelling gear that is fixedly connected on the described trailing wheel flower-drum; The turning cylinder of described first ratchet and second ratchet is parallel to each other; And direction of rotation, described switching-over locking mechanism has at least three duties, when described switching-over locking mechanism is in first duty; Described second ratchet and described travelling gear are separated, and described first ratchet is meshed with described travelling gear; When described switching-over locking mechanism was in second duty, described first ratchet and described travelling gear were separated, and described second ratchet is meshed with described travelling gear; When described changement was in the 3rd duty, described first ratchet and second ratchet all were separated with described travelling gear; Be rotatably connected to rocking bar through first rotating shaft on the described vehicle frame, and be rotatably connected to an end of connecting rod on the described rocking bar, the other end of described connecting rod is rotatably connected on the described installation base plate.
2. single armed wheelchair according to claim 1; It is characterized in that: described installation base plate is provided with second rotating shaft; Be rotatably connected to reversing plate in described second rotating shaft, described first ratchet and second ratchet are rotatably connected on respectively on the described reversing plate.
3. single armed wheelchair according to claim 2; It is characterized in that: described switching-over locking mechanism also comprises the case that is fixedly mounted on the described installation base plate and is connected with described reversing plate and is positioned at the reversing handle in the described case outside; Offer a pair of arc guide barrel on the described case, the axis coinciding of the center of circle of described a pair of arc guide barrel and described second rotating shaft.
4. single armed wheelchair according to claim 1 is characterized in that: the center of described first ratchet and second ratchet is respectively arranged with unilateral bearing.
5. single armed wheelchair according to claim 1 is characterized in that: described first ratchet and second ratchet are not only rotatable but also be connected slidably on the described installation base plate respectively.
6. single armed wheelchair according to claim 1 is characterized in that: the modulus of described first ratchet and second ratchet is less than the modulus of described travelling gear.
7. single armed wheelchair according to claim 1 is characterized in that: also removably be provided with telescopic power transmission shaft between a pair of described trailing wheel.
8. single armed wheelchair according to claim 1 is characterized in that: be provided with universal cradle head between one of them in the described front-wheel and the described rocking bar.
9. single armed wheelchair according to claim 8; It is characterized in that: described universal cradle head comprises can be around rotating first axle sleeve of described first rotating shaft, spherical hinge, steering link, standpipe of front fork; Described rocking bar can be in self axial line be arranged on described first axle sleeve rotationally; Described spherical hinge off-centre is connected the bottom of described rocking bar; One end of described steering link is connected with described spherical hinge is universal, and the other end is connected with described standpipe of front fork is eccentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110208580 CN102370548B (en) | 2011-07-25 | 2011-07-25 | Single-arm wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110208580 CN102370548B (en) | 2011-07-25 | 2011-07-25 | Single-arm wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102370548A true CN102370548A (en) | 2012-03-14 |
| CN102370548B CN102370548B (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110208580 Active CN102370548B (en) | 2011-07-25 | 2011-07-25 | Single-arm wheelchair |
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| Country | Link |
|---|---|
| CN (1) | CN102370548B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640719A (en) * | 2016-03-15 | 2016-06-08 | 哈尔滨工程大学 | Multifunctional wheelchair capable of assisting patient to get in or out of bed and go to toilet |
| CN108042278A (en) * | 2017-12-29 | 2018-05-18 | 秦琴 | A kind of easy combined adjustable wheelchair of Quick Release |
| CN111150570A (en) * | 2020-04-02 | 2020-05-15 | 上海国为医疗科技有限公司 | Medical wheelchair |
| CN114948465A (en) * | 2022-05-19 | 2022-08-30 | 浙江大学 | Barrier-free hospitalizing method for ophthalmologic hospitalizing disorder |
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| FR2860430A1 (en) * | 2003-10-03 | 2005-04-08 | Dj2 | Wheelchair for hemiplegic, has tubular support axle that receives pusher whose end includes groove having locking ball that penetrates and projects with respect to opening formed at end of axle |
| WO2007049301A2 (en) * | 2006-10-23 | 2007-05-03 | Multivac India Private Limited | Single arm control wheelchair |
| CN2936217Y (en) * | 2006-08-11 | 2007-08-22 | 徐世忠 | Wheelchair for semiparalysis |
| CN201208348Y (en) * | 2008-06-17 | 2009-03-18 | 赵希富 | Self-propelled travelling type multifunctional handle wheel chair special for the disabled person |
| CN201586133U (en) * | 2009-10-09 | 2010-09-22 | 李钊 | Double-driving-wheel linkage wheelchair |
| CN202179642U (en) * | 2011-07-25 | 2012-04-04 | 卫美恒(苏州)医疗器械有限公司 | Single-arm wheelchair |
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2011
- 2011-07-25 CN CN 201110208580 patent/CN102370548B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2860430A1 (en) * | 2003-10-03 | 2005-04-08 | Dj2 | Wheelchair for hemiplegic, has tubular support axle that receives pusher whose end includes groove having locking ball that penetrates and projects with respect to opening formed at end of axle |
| CN2936217Y (en) * | 2006-08-11 | 2007-08-22 | 徐世忠 | Wheelchair for semiparalysis |
| WO2007049301A2 (en) * | 2006-10-23 | 2007-05-03 | Multivac India Private Limited | Single arm control wheelchair |
| CN201208348Y (en) * | 2008-06-17 | 2009-03-18 | 赵希富 | Self-propelled travelling type multifunctional handle wheel chair special for the disabled person |
| CN201586133U (en) * | 2009-10-09 | 2010-09-22 | 李钊 | Double-driving-wheel linkage wheelchair |
| CN202179642U (en) * | 2011-07-25 | 2012-04-04 | 卫美恒(苏州)医疗器械有限公司 | Single-arm wheelchair |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640719A (en) * | 2016-03-15 | 2016-06-08 | 哈尔滨工程大学 | Multifunctional wheelchair capable of assisting patient to get in or out of bed and go to toilet |
| CN108042278A (en) * | 2017-12-29 | 2018-05-18 | 秦琴 | A kind of easy combined adjustable wheelchair of Quick Release |
| CN111150570A (en) * | 2020-04-02 | 2020-05-15 | 上海国为医疗科技有限公司 | Medical wheelchair |
| CN111150570B (en) * | 2020-04-02 | 2020-10-13 | 青岛市精神卫生中心 | Medical wheelchair |
| CN114948465A (en) * | 2022-05-19 | 2022-08-30 | 浙江大学 | Barrier-free hospitalizing method for ophthalmologic hospitalizing disorder |
| CN114948465B (en) * | 2022-05-19 | 2023-11-14 | 浙江大学 | Barrier-free medical treatment method for ophthalmologic medical treatment disorder |
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| Publication number | Publication date |
|---|---|
| CN102370548B (en) | 2013-08-14 |
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