CN209004466U - Medical wheelchair - Google Patents
Medical wheelchair Download PDFInfo
- Publication number
- CN209004466U CN209004466U CN201721864138.1U CN201721864138U CN209004466U CN 209004466 U CN209004466 U CN 209004466U CN 201721864138 U CN201721864138 U CN 201721864138U CN 209004466 U CN209004466 U CN 209004466U
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- fixed
- bag body
- connecting rod
- bayonet lock
- support bar
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Abstract
The utility model discloses a kind of Medical wheelchairs, including two symmetrically arranged first beams, two symmetrically arranged top rods, seat bottom portions, backrest portion, seat bottom portion.The utility model adjusts the angle as the bag body of backrest using the back support bar of four-bar linkage structure, to adapt to the dependence posture at various backs；The length that degree to push up the elongation of rod is adjusted as the bag body of cushion achievees the effect that completely to wrap up thigh, avoids the fatigue after sitting to adapt to the thigh length of various users.
Description
Technical field
The present invention relates to a kind of Medical Devices, more particularly to a kind of wheelchair.
Background technique
Wheelchair is the important tool of rehabilitation, it is not only the walking-replacing tool of limbs the disabled and people with mobility problems with wheelchair,
Them are more importantly made to carry out physical exercise by means of wheelchair and participate in social activities.
Patient was sitting on wheelchair daily average more than 8 hours, therefore the comfort of wheelchair is most important.In general, wheelchair
Moulding is all that patient's use of different statures, different demands is sold to a kind of model.Each patient is different for wheelchair
Requirement.
Therefore, a kind of wheelchair for being more in line with patient demand is needed at present.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of a kind of Medical wheelchairs for being more in line with patient demand.
A kind of Medical wheelchair of the present invention, including two symmetrically arranged first beams, front-rear direction configuration, medial surface prolong
Its length direction offers guide groove, and both ends of the rear end of two the first beams respectively with the second beam are fixed；Two symmetrically arranged tops
Rod is moved along the guide groove, is connect by fixed part with the guide groove of first beam；Seat bottom portion comprising bag body and edge
Multiple supporting sticks of the length direction arrangement of the bag body, the supporting stick are connect with the bag body；Backrest portion comprising backrest
Bar, first connecting rod, second connecting rod, support base, the top of the back support bar offer the first slotted hole, in first slotted hole
Equipped with the first bayonet lock for prolonging its movement, the top of first bayonet lock and the first connecting rod is fixed, the bottom of the first connecting rod
Portion is connect with the middle and back hinge of first beam, and the lower part of the back support bar is connect with the top hinge of the second connecting rod,
The bottom of the second connecting rod is connect with the middle part hinge of first beam, and the support base is connect with first beam, described
The rear surface of the front surface and the bag body of the seat bottom portion of the front surface and support base of back support bar is fixed；Seat bottom portion comprising Gu
Fixed board, the first spring, conduit, drawstring, the fixed plate and the rear portion of the lower surface of first beam are fixed, the fixed plate with
One end of first spring is fixed, and one end of the other end and the drawstring of first spring is fixed, and is set with outside the drawstring
The lower surface of conduit, the conduit and first beam is fixed, and the other end of the drawstring and the lower end of the bag body are fixed,
In, the rear surface of the front of the bag body and the front end face of the top rod abut against.
A kind of Medical wheelchair of the present invention, wherein the support base is connect by back support bar with first beam, the support
The top of seat and the lower end of the back support bar are fixed.
A kind of Medical wheelchair of the present invention, wherein the lower end of the back support bar is configured with the first permanent magnet, second beam
Upper surface is configured with the first electromagnet, and second beam is located at the lower end of the second connecting rod, the lower end of the first connecting rod and
The output shaft of second motor is fixed, and second motor is fixed with first beam, the power module of the first electromagnet, the second electricity
The power module of machine is connect by communication module with user terminal.
A kind of Medical wheelchair of the present invention, wherein the top of the bag body and the top of connecting rope are fixed, the connecting rope
Bottom and the bottom of the bag body are fixed, and the connecting rope is connect with the middle part of multiple supporting sticks, the other end of the drawstring with
The lower end of the connecting rope is fixed.
A kind of Medical wheelchair of the present invention, wherein the outer surface of the supporting stick is configured with Chinese traditional medicine layer, the Chinese traditional medicine layer is by such as
Lower formula numeral system at:
200~300 parts of vaseline, 40~100 parts of honey, 4~10 parts of ethyl alcohol, 3 parts of borneol, 10 parts of peppermint, 2 parts of Radix Glycyrrhizae,
3 parts of rice vinegar, 5 parts of folium artemisiae argyi, 3 parts of cloves, 3 parts of Fructus Forsythiae, 3 parts of cordate houttuynia, 3 parts of chaulmoogra, 3 parts of vomiting nut, 0.2 part of centipede, wear mountain
0.2 part of first, 0.03 part of lemon grass essential oil, 0.0067 part of isopropyl cresol；
The configuration method of above-mentioned Chinese traditional medicine layer are as follows:
S100, the first medicament of configuration: by the honey, borneol, peppermint, Radix Glycyrrhizae, rice vinegar, folium artemisiae argyi, cloves, Fructus Forsythiae, fish raw meat
Grass, chaulmoogra, vomiting nut are put into the water that 10 times of weight is added in pot, and after mild fire tanning 2 hours, the first medicament is made；
S200, configuration second medicament: will be added centipede, pangolin in first medicament, after being heated 15 minutes with mild fire,
It is cooled to room temperature, second medicament is made；
S300, configuration third medicament: will be added lemon grass essential oil, isopropyl cresol in the second medicament, stirring is equal
The dregs of a decoction are filtered after even, and third medicament is made；
S400, configuration Chinese traditional medicine layer: the third medicament is mixed with vaseline, ethyl alcohol, and is uniformly applied to supporting stick
Chinese traditional medicine layer is made after solidification in outer surface.
A kind of Medical wheelchair of the present invention, wherein the fixed part includes the second bayonet lock, connecting rod, dovetail guide, described the
Dovetail guide is configured in the guide groove of one beam along its length, the top rod, which prolongs, offers dovetail groove on its length direction, institute
It states the matching of dovetail groove and dovetail guide and merges and be moved along it, one end of the connecting rod is connect with the end face for pushing up rod, described
Multiple card holes are transversely offered in connecting rod, first beam laterally offers guide hole, the second card is set in the guide hole
One end far from first beam of pin, second bayonet lock is equipped with bayonet lock cap, and the is equipped between second bayonet lock and guide hole
Two springs.
A kind of Medical wheelchair difference from prior art of the present invention is a kind of Medical wheelchair of the present invention with double leval jib knot
The back support bar of structure adjusts the angle of the bag body as backrest, to adapt to the dependence posture at various backs；To push up the journey of the elongation of rod
Degree is adjusted to be achieved the effect that completely to wrap up thigh as the length of the bag body of cushion to adapt to the thigh length of various users,
Avoid the fatigue after sitting.Also, using multiple supporting sticks as the support of user, so that the skin of user can be in each support
It realizes ventilated in the gap of rod, and when entire wheelchair is advanced, realizes ventilated seating naturally, avoid the generation of bedsore.
Wherein, the back support bar of four link type compared to directly with the hinged back support bar of the first beam for, flip angle more accords with
Comfortable requirement of the human body for backrest is closed, ergonomics is met.
A kind of Medical wheelchair of the invention is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of Medical wheelchair；
Fig. 2 is a kind of schematic front view of deformation of Fig. 1；
Fig. 3 is another motion state schematic diagram of Fig. 2；
Fig. 4 is another motion state schematic diagram of Fig. 2；
Fig. 5 is another motion state schematic diagram of Fig. 2；
Fig. 6 is the left view schematic diagram of Fig. 2；
Fig. 7 is the postrotational top view of Fig. 2；
Fig. 8 is the structural schematic diagram of the supporting stick with Chinese traditional medicine layer；
Fig. 9 is the postrotational partial enlargement diagram of Fig. 7.
Specific embodiment
As shown in figure 1-9, referring to Fig. 1,6,7, a kind of Medical wheelchair of the present invention includes
Two symmetrically arranged first beams 100, front-rear direction configuration, medial surface prolong its length direction and offer guide groove
110, both ends of the rear end of two the first beams 100 respectively with the second beam 106 are fixed；
Two symmetrically arranged top rods 300, are moved along the guide groove 110, pass through fixed part 700 and described first
The guide groove 110 of beam 100 connects；
Seat bottom portion 200 comprising bag body 201 and the multiple supporting sticks 202 arranged along the length direction of the bag body 201,
The supporting stick 202 is connect with the bag body 201；
Backrest portion 500 comprising back support bar 510, first connecting rod 520, second connecting rod 530, support base 540, the backrest
The top of bar 510 offers the first slotted hole 511, is equipped with the first bayonet lock 521 for prolonging its movement in first slotted hole 511,
The top of first bayonet lock 521 and the first connecting rod 520 is fixed, the bottom of the first connecting rod 520 and first beam
100 middle and back hinge connection, the lower part of the back support bar 510 connect with the top hinge of the second connecting rod 530, and described the
The bottom of two connecting rods 530 is connect with the middle part hinge of first beam 100, and the support base 540 connects with first beam 100
It connects, the rear surface of the bag body 201 of the front surface and seat bottom portion 200 of the front surface and support base 540 of the back support bar 510 is solid
It is fixed；
Seat bottom portion 200 comprising fixed plate 401, the first spring 402, conduit 403, drawstring 404, the fixed plate 401 with
The rear portion of the lower surface of first beam 100 is fixed, and the fixed plate 401 and one end of the first spring 402 are fixed, and described first
The other end of spring 402 and one end of the drawstring 404 are fixed, and are set with conduit 403, the conduit 403 outside the drawstring 404
It is fixed with the lower surface of first beam 100, the other end of the drawstring 404 and the lower end of the bag body 201 are fixed, wherein
The rear surface of the front of the bag body 201 and the front end face of the top rod 300 abut against.
In use, referring to fig. 2,3,4,5, chair cushion is fixed by the back support bar 510 and support base 540 of four-bar linkage structure
At the backrest of the bag body 201 in portion 200, and using support base 540 as the first supporting point of the lower part of bag body 201, to push up rod 300
Second supporting point of the front end as bag body 201.When the left and right ends of the lower part of bag body 201 are by the top support of rod 300 and suspension
Limit.
The present invention adjusts the angle as the bag body 201 of backrest using the back support bar 510 of four-bar linkage structure, to adapt to various back
The dependence posture in portion；Degree to push up the elongation of rod 300 adjusts the length as the bag body 201 of cushion, to adapt to various use
The thigh length at family achievees the effect that completely to wrap up thigh, avoids the fatigue after sitting.Also, with multiple supporting sticks 202 work
For the support of user, thus the skin of user can be realized in the gap of each supporting stick 202 it is ventilated, and in entire wheelchair
When traveling, realizes ventilated seating naturally, avoid the generation of bedsore.Wherein, the back support bar 510 of four link type compared to directly with
For the hinged back support bar of first beam 100, flip angle is more in line with comfortable requirement of the human body for backrest, meets
Ergonomics.
Wherein, the support base 540 and first beam 100 are fixed.
Wherein, the front surface of the support base 540 is equipped with arc groove.
Wherein, the rear end of the first beam 100 and the lower end of the pushing hands bar 105 are fixed, the front end of first beam 100 with
The portion 104 of stopping over is fixed, and the front of first beam 100 and the middle part of the handrail 103 are fixed, the handrail 103
Lower end connect with 102 hinge of front-wheel, the middle part of first beam 100 is connect with 101 hinge of rear-wheel.
Wherein, the supporting stick 202 is fixedly connected with bag body 201, and the section of the supporting stick 202 can be round, rectangular
Shape, square, supporting stick 202 only have one on the thickness direction of bag body 201, that is, the supporting stick 202 of a row is along the bag body
201 length direction configuration.Supporting stick 202 laterally supports the left and right ends of bag body 201.
Preferably, the support base 540 is connect by back support bar 510 with first beam 100, the support base 540
Top and the lower end of the back support bar 510 are fixed.
The present invention fixes bag body 201, it can be achieved that bag by the above-mentioned support base 540 moved together with back support bar 510
The adjusting of the height tilt angle of body 201 tires out its sitting not to wrap up the buttocks of human body goodly.In particular, ginseng
See Fig. 2,4, when the rotation of back support bar 510 to the higher position of the four-bar linkage structure, horizontal plane changes the bag body 201 as chair cushion again
For inclined surface, in general, the 201 only one point of bag body of horizontal plane is contacted with buttocks, fails to wrap up buttocks very well, and is tilted
Bag body 201 can wrap up buttocks with cambered surface, to reach good buttocks package effect, disperse the pressure of buttocks, with
Just sitting is not tired out.
Certainly, the rotation of second connecting rod 530 to the mode of vertical state is made may be used also are as follows: the lower end of second connecting rod 530 and first
The output shaft of motor is fixed, and the first motor and the first beam 100 are fixed, and the power module of the first motor passes through communication mould
Block is connect with user terminal.That is, user terminal remotely controls first motor rotation, it is made to control the height of bag body 201 and front and back
Position.
The height and angle that the present invention controls motor or magnet control back support bar 510 to meet the different demands of user,
And tire out user's sitting not the magnetic therapy of user by magnet.
Preferably, the top of the bag body 201 and the top of connecting rope 203 are fixed, the bottom of the connecting rope 203 with
The bottom of the bag body 201 is fixed, and the connecting rope 203 is connect with the middle part of multiple supporting sticks 202, the drawstring 404 it is another
One end and the lower end of the connecting rope 203 are fixed.
Wherein, the middle part of the multiple supporting stick 202 can open up a through-hole, and connecting rope 203 passes through the through-hole, and leads to
Cross with the interference fit of the through-hole and it is fixed with the supporting stick 202.
The present invention is contacted multiple supporting sticks 202 by above-mentioned connecting rope 203, and connecting rope 203 can be made as supporting stick 202
Skeleton prevents multiple in bag body 201 so that drawstring 404 is convenient to supporting stick 202 be pulled and driven the movement of bag body 201
The entanglement of supporting stick 202 and extension 201 service life of bag body.
Certainly, the connecting rope 203 can also be connect by multiple third springs with multiple supporting sticks 202.To use for reference
Supporting stick 202 can be waved and be rotated for the principle of padding for spring bed, takes user more comfortable.Wherein, upside or front side are branch
Saddle bar 202, middle part are that the structure that third spring, rear side or downside are connecting rope 203 is stronger.
Preferably, the outer surface of the supporting stick 202 is configured with Chinese traditional medicine layer 600, and the Chinese traditional medicine layer 600 is by as following formula
It is made in parts by weight:
200~300 parts of vaseline, 40~100 parts of honey, 4~10 parts of ethyl alcohol, 3 parts of borneol, 10 parts of peppermint, 2 parts of Radix Glycyrrhizae,
3 parts of rice vinegar, 5 parts of folium artemisiae argyi, 3 parts of cloves, 3 parts of Fructus Forsythiae, 3 parts of cordate houttuynia, 3 parts of chaulmoogra, 3 parts of vomiting nut, 0.2 part of centipede, wear mountain
0.2 part of first, 0.03 part of lemon grass essential oil, 0.0067 part of isopropyl cresol；
The configuration method of above-mentioned Chinese traditional medicine layer are as follows:
S100, the first medicament of configuration: by the honey, borneol, peppermint, Radix Glycyrrhizae, rice vinegar, folium artemisiae argyi, cloves, Fructus Forsythiae, fish raw meat
Grass, chaulmoogra, vomiting nut are put into the water that 10 times of weight is added in pot, and after mild fire tanning 2 hours, the first medicament is made；
S200, configuration second medicament: will be added centipede, pangolin in first medicament, after being heated 15 minutes with mild fire,
It is cooled to room temperature, second medicament is made；
S300, configuration third medicament: will be added lemon grass essential oil, isopropyl cresol in the second medicament, stirring is equal
The dregs of a decoction are filtered after even, and third medicament is made；
S400, configuration Chinese traditional medicine layer: the third medicament is mixed with vaseline, ethyl alcohol, and is uniformly applied to supporting stick 202
Outer surface, Chinese traditional medicine layer is made after solidification.
Referring to Fig. 8, the present invention can promote the blood circulation of user contact site, avoid hemorrhoid by above-mentioned Chinese traditional medicine layer
Occur.Wherein, bag body 201 of ventilative cotton, nylon cloth or silk by that can be made.
Concrete case
Mr. Wang, 35 years old, female, height 155cm, people from Shandong, Calf muscle atrophy 5 years, due to taking wheelchair daily up to 8 hours
More than, therefore often break out with hemorrhoid.After the wheelchair with Chinese traditional medicine layer of the invention, feedback comfort for sitting posture is adjustable, stern
Portion is wrapped good, and cushion length is adjustable, so that thigh is wrapped good, the breaking-out of hemorrhoid is had no in three months.
Tan, 30 years old, male, height 185cm, people from Henan fractured the right legs 3 years, due to take daily wheelchair up to 10 hours with
On, therefore often break out with hemorrhoid.After the wheelchair with Chinese traditional medicine layer of the invention, feedback cushion length is adjustable, thigh
Wrapped good, buttocks is wrapped good, and backrest angle is comfortable, and the air permeability of skeleton is good, and hemorrhoid breaking-out is had no in three months.
Pathological experiment
15 years old~65 years old, daily patient 300 for taking wheelchair and being more than 8 hours screen in certain present hospital, are randomly divided into three
Group, first group is embodiment 1, selects the wheelchair of the invention without Chinese traditional medicine layer, and second group is embodiment 2, selects band
There is Chinese traditional medicine layer to obtain wheelchair of the invention, third group is comparative example, selects mainstream wheelchair on the market, makes three groups of patients daily
Taking wheelchair is more than 8 hours, the hemorrhoid attack times in observation three months, and statistical result is as shown in the table:
The present invention by above-mentioned comparative experiments it is found that the wheelchair of included ventilated seating function compared to for traditional wheelchair
The decreased disease incidence of hemorrhoid, and generally reflection seat is adjustable, and ride comfort, sitting is not tired out, and has the wheel of Chinese traditional medicine layer
Chair can further decrease the disease incidence of hemorrhoid, the more reason of third month relative incidence, it may be possible to and Chinese traditional medicine layer drug effect reduces, but
It is that the phenomenon that constantly avoiding hemorrhoid can be realized by dressing.
Preferably, referring to Fig. 9, the fixed part 700 includes the second bayonet lock 710, connecting rod 720, dovetail guide 730, institute
It states along its length configured with dovetail guide 730 in the guide groove 110 of the first beam 100, the top rod 300 prolongs on its length direction
Dovetail groove is offered, the dovetail groove merges with the matching of dovetail guide 730 to be moved along it, one end of the connecting rod 720 and institute
The end face connection of top rod 300 is stated, multiple card holes 721 are transversely offered in the connecting rod 720, first beam 100 is laterally
Guide hole 190 is offered, the second bayonet lock 710, separate first beam 100 of second bayonet lock 710 are set in the guide hole
One end be equipped with bayonet lock cap 711, between second bayonet lock 710 and guide hole 190 be equipped with second spring 712.
Certainly, the structure of the fixed part 700 can be also the structure of the multiple buckles of tradition, or can be self-locking it is motor-driven
The structure of rack-and-pinion.
The present invention passes through the fixed part 700 of above-mentioned similar man's belt type, can make to push up rod 300 in back-and-forth motion to suitable conjunction
When right position is set, that is, when 201 length adjustment of bag body to appropriate location as chair cushion, the position of fixed top rod 300, so that its
Keep front and back state.Wherein, the fixed part 700 of the structure of motor-driven rack-and-pinion that can be self-locking can also be automatic by motor
It adjusts, and can be controlled by user terminal.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (4)
1. a kind of Medical wheelchair, it is characterised in that: including
Two symmetrically arranged first beams (100), front-rear direction configuration, medial surface prolong its length direction and offer guide groove
(110), both ends of the rear end of two the first beams (100) respectively with the second beam (106) are fixed；
Two symmetrically arranged top rods (300), it is mobile along the guide groove (110), pass through fixed part (700) and described first
The guide groove (110) of beam (100) connects；
Seat bottom portion (200) comprising bag body (201) and the multiple supporting sticks arranged along the length direction of the bag body (201)
(202), the supporting stick (202) connect with the bag body (201)；
Backrest portion (500) comprising back support bar (510), first connecting rod (520), second connecting rod (530), support base (540), institute
The top for stating back support bar (510) offers the first slotted hole (511), is equipped in first slotted hole (511) and prolongs its movement
First bayonet lock (521), first bayonet lock (521) and the top of the first connecting rod (520) are fixed, the first connecting rod
(520) bottom is connect with the middle and back hinge of first beam (100), the lower part and described second of the back support bar (510)
The top hinge of connecting rod (530) connects, and the middle part hinge of the bottom of the second connecting rod (530) and first beam (100) connects
It connects, the support base (540) connect with first beam (100), the front surface and support base (540) of the back support bar (510)
The rear surface of front surface and the bag body (201) of the seat bottom portion (200) fix；
Seat bottom portion (200), further includes fixed plate (401), the first spring (402), conduit (403), drawstring (404), described solid
Fixed board (401) and the rear portion of the lower surface of first beam (100) are fixed, the fixed plate (401) and the first spring (402)
One end is fixed, and one end of the other end and the drawstring (404) of first spring (402) is fixed, drawstring (404) housing
Equipped with conduit (403), the lower surface of the conduit (403) and first beam (100) is fixed, the drawstring (404) it is another
It holds and is fixed with the lower end of the bag body (201), wherein the rear surface of the front of the bag body (201) and top rod (300)
Front end face abuts against.
2. a kind of Medical wheelchair according to claim 1, it is characterised in that: the support base (540) passes through back support bar
(510) it is connect with first beam (100), the top of the support base (540) and the lower end of the back support bar (510) are fixed.
3. a kind of Medical wheelchair according to claim 1, it is characterised in that: the top of the bag body (201) and connecting rope
(203) top is fixed, and the bottom of the connecting rope (203) and the bottom of the bag body (201) are fixed, the connecting rope
(203) it is connect with the middle part of multiple supporting sticks (202), the other end of the drawstring (404) and the lower end of the connecting rope (203)
It is fixed.
4. a kind of Medical wheelchair according to claim 1, it is characterised in that: the fixed part (700) includes the second bayonet lock
(710), connecting rod (720), dovetail guide (730), the guide groove (110) of first beam (100) is interior to be configured along its length
Have dovetail guide (730), the top rod (300), which is prolonged, offers dovetail groove on its length direction, the dovetail groove and dovetail guide
(730) match to merge and be moved along it, one end of the connecting rod (720) is connect with the end face of top rod (300), the connection
It is transversely offered multiple card holes (721) in bar (720), first beam (100) laterally offers guide hole (190), described to lead
It is set in hole the second bayonet lock (710), one end far from first beam (100) of second bayonet lock (710) is equipped with bayonet lock
Cap (711) is equipped with second spring (712) between second bayonet lock (710) and guide hole (190).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864138.1U CN209004466U (en) | 2017-12-27 | 2017-12-27 | Medical wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864138.1U CN209004466U (en) | 2017-12-27 | 2017-12-27 | Medical wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004466U true CN209004466U (en) | 2019-06-21 |
Family
ID=66827317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864138.1U Expired - Fee Related CN209004466U (en) | 2017-12-27 | 2017-12-27 | Medical wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997890A (en) * | 2017-12-27 | 2018-05-08 | 乔鲁军 | Medical wheelchair |
-
2017
- 2017-12-27 CN CN201721864138.1U patent/CN209004466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997890A (en) * | 2017-12-27 | 2018-05-08 | 乔鲁军 | Medical wheelchair |
| CN107997890B (en) * | 2017-12-27 | 2023-12-05 | 乔鲁军 | medical wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20191227 |