CN105943259A - Stretcher with damping function - Google Patents
Stretcher with damping function Download PDFInfo
- Publication number
- CN105943259A CN105943259A CN201610372880.4A CN201610372880A CN105943259A CN 105943259 A CN105943259 A CN 105943259A CN 201610372880 A CN201610372880 A CN 201610372880A CN 105943259 A CN105943259 A CN 105943259A
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- China
- Prior art keywords
- moving platform
- damping
- damping branch
- bar
- branch chain
- 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.)
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Classifications
-
- 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
- A61G1/00—Stretchers
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
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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)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a stretcher with a damping function. The stretcher comprises a fixed platform, first damping branch chains, second damping branch chains, a first movable platform, third damping branch chains, fourth damping branch chains, a second movable platform and handles. Each first damping branch chain comprises first springs, torsion springs, a first rotating rod, a second rotating rod and a connecting rod. The first rotating rod comprises a first rod, a rotating shaft and a second rod. By means of the parallel-connection mechanism design principle, by arranging the two types of corresponding branch chains between the fixed platform and the movable platforms and arranging the two types of corresponding branch chains between the first movable platform and the second movable platform, the second movable platform can finally bear shake at four freedom degrees, the multi-freedom-degree damping effect is achieved, and the problems that an existing stretcher is not remarkable in damping effect and multi-direction damping can not be conducted under complicated conditions are solved.
Description
Technical field
The invention belongs to technical field of medical equipment, relate to a kind of stretcher possessing vibration-damping function.
Background technology
Stretcher, as the instrument of transport patient, is a navigation ship in life line.The many employings of Hospitals at Present are simply carried on a shoulder pole
Frame, scoop stretcher, folding stretcher, these all only taken into account stretcher convenience, stretcher can only play fortune
Sending effect, do not have the function of vibration damping, Lu Shanghui produces and jolts.Present stretcher can only reduce the amplitude of up-down vibration,
Be not suitable for the landform of complexity, for some especial patients, may the state of an illness of making patients, affect the treatment of patient,
Bringing the biggest harm to patient vitals, a kind of stretcher possessing vibration-damping function of present invention design just can solve above-mentioned
Problem, vibration damping stretcher can substantially alleviate the vibration produced during transporting, and uses parallel institution vibration damping, structure
Simply, it is simple to use.
Summary of the invention
The invention aims to provide a kind of stretcher possessing vibration-damping function, finally realizing moving platform two can bear
The vibration of four-degree-of-freedom, vibration damping stretcher platform can substantially alleviate the vibration produced during transporting, existing to solve
There is stretcher effectiveness in vibration suppression inconspicuous, the problem that cannot be carried out multi-faceted vibration damping in complex situations.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of stretcher possessing vibration-damping function, including silent flatform, damping branch chain one, damping branch chain two, moving platform one,
Damping branch chain three, damping branch chain four, moving platform two, handle；Four grooves one are had on described silent flatform；Described
Moving platform one on the upside of have four grooves two；Described damping branch chain one has two, the lower end of two damping branch chains one
Being separately mounted in the groove one of silent flatform, the upper end of two damping branch chains one is installed on moving platform one；Described
Damping branch chain two has 12, and the upper end of 12 damping branch chains two is both connected on moving platform one, and 12 vibration dampings prop up
The lower end of chain two is both connected on silent flatform；Article two, in the lower end of damping branch chain three is installed in the groove two of moving platform one,
Article two, the upper end of damping branch chain three is installed on moving platform two；Described damping branch chain four has 18, and 18 subtract
The shake upper end of side chain four is both connected on moving platform two, and the lower end of 18 damping branch chains four is both connected on moving platform one；
Described handle has four, and four handles are all welded on silent flatform, provides liftable point for whole device；
Described damping branch chain one includes spring one, torsion spring, rotation bar one, rotates bar two, connecting rod；Described turns
Lever one includes bar one, rotary shaft, bar two；In walking process, two damping branch chains one and 12 damping branch chains two
It is connected between moving platform one and silent flatform；Article two, the rotation bar one on damping branch chain one, rotation bar two rotate, and rotate
Axle rotates, and torsion spring reverses stress deformation, passes to rotary shaft counteracting force, and connecting rod rotates, connecting rod and moving platform one
It is connected so that moving platform one can rotate around x-axis direction relative to silent flatform.
As the further optimization of such scheme, described rotation bar one is identical with rotating bar two structure；Described spring
One has four, and wherein one end of spring one is installed on the rotating shaft, and the other end is arranged in groove one；Described bar two
Through rotary shaft, bar two forms revolute pair with rotary shaft；Described bar two contacts with groove one and is fixed in silent flatform
On；Described torsion spring has two, and on the rotating shaft, one end is fixed in bar one torsion spring set, and the other end is fixed on
On groove one；Described connecting rod is connected formation revolute pair with rotating bar one；The connecting rod of described damping branch chain one
It is bolted at moving platform a lower surface；Described bar one is by welding on the rotating shaft.
As the further optimization of such scheme, described damping branch chain three is obtained by damping branch chain one 90-degree rotation, subtracts
The side chain three that shakes is identical with damping branch chain one structure；Bar two in damping branch chain three contacts with groove two and is fixed in
On moving platform one, the connecting rod of described damping branch chain three is bolted at moving platform two lower surface；Described subtracts
Two spring guides of side chain four of shaking are separately mounted on moving platform one and moving platform two.
The invention has the beneficial effects as follows,
1, a kind of stretcher possessing vibration-damping function of the present invention uses parallel institution design principle, at silent flatform and moving platform
Arranging two kinds of side chains between one, moving platform one and moving platform two arrange two kinds of side chains, and finally realizing moving platform two can hold
Vibrated by four-degree-of-freedom, to realize multi-degree of freedom vibration reduction effect, inconspicuous to solve existing stretcher effectiveness in vibration suppression,
The problem that cannot be carried out multi-faceted vibration damping in the case of complexity.
2, a kind of stretcher possessing vibration-damping function of the present invention overcomes the technological deficiency of existing stretcher, for complicated transport
Distance, produced vibration during can significantly reducing transport, reduces the secondary injury during transporting, fortune
It is easy to use with the mechanical vibration damping of parallel institution and produces.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of the present invention；
Fig. 2 is damping branch chain one structural representation of the present invention；
Fig. 3 is the structural representation rotating bar one of the present invention；
Fig. 4 is damping branch chain two structural representation of the present invention；
Fig. 5 is silent flatform one structural representation of the present invention；
Fig. 6 is moving platform one structural representation of the present invention.
Silent flatform 1, damping branch chain 1, damping branch chain 23, moving platform 1, damping branch chain 35, damping branch chain in figure
46, moving platform 27, handle 8, spring 1, torsion spring 10, rotate bar 1, rotate bar 2 12, connecting rod 13,
Bar 1, rotary shaft 15, bar 2 16, spring guide 17, spring 2 18, groove 1, groove 2 20.
Detailed description of the invention
For the technological means making the present invention be realized, creation characteristic, reach purpose and be easy to understand with effect, under
Face in conjunction with specific embodiments and illustrates, and the present invention is expanded on further.
As shown in Fig. 1, Fig. 5, Fig. 6, a kind of stretcher possessing vibration-damping function, including silent flatform 1, damping branch chain one
2, damping branch chain 23, moving platform 1, damping branch chain 35, damping branch chain 46, moving platform 27, handle 8；
Four grooves 1 are had on described silent flatform 1；Four grooves 2 20 are had on the upside of described moving platform 1；Institute
Groove 1, the groove 2 20 stated are equivalently-sized；Described damping branch chain 1 has two, two damping branch chains 1
Lower end be separately mounted in the groove 1 of silent flatform 1, the upper end of two damping branch chains 1 is installed in moving platform
On one 4；Described damping branch chain 23 has 12, and the upper end of 12 damping branch chains 23 is both connected to moving platform
On one 4, the lower end of 12 damping branch chains 23 is both connected on silent flatform 1；Described damping branch chain 35 has two
Bar, the lower end of two damping branch chains 35 is installed in the groove 2 20 of moving platform 1, two damping branch chains 35
Upper end be installed on moving platform 27；Described damping branch chain 46 has 18,18 damping branch chains 46
Upper end be both connected on moving platform 27, the lower end of 18 damping branch chains 46 is both connected on moving platform 1；
Described handle 8 has four, and four handles 8 are all welded on silent flatform 1, provides liftable point for whole device.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, described damping branch chain 1 include spring 1,
Torsion spring 10, rotation bar 1, rotation bar 2 12, connecting rod 13；Described rotation bar 1 includes bar 1, turns
Moving axis 15, bar 2 16；Described rotation bar 1 is identical with rotating bar 2 12 structure；Described spring 1 has four
Root, wherein one end of spring 1 is arranged in rotary shaft 15, and the other end is arranged in groove 1；Described bar
2 16 pass rotary shaft 15, and bar 2 16 and rotary shaft 15 form revolute pair；Described bar 2 16 and groove 1 phase
Contact and be fixed on silent flatform 1；Described torsion spring 10 has two, and torsion spring 10 is enclosed within rotary shaft 15, torsion spring 10
One end is fixed in bar 1, and the other end is fixed on groove 1；Described connecting rod 13 and rotation bar 1
Be connected formation revolute pair；The connecting rod 13 of described damping branch chain 1 is bolted in moving platform 1 following table
Face；Described bar 1 is by being welded in rotary shaft 15；Described damping branch chain 23 includes two spring guides
17, spring 2 18；Described spring 2 18 two ends are separately installed with spring guide 17；Described damping branch chain 35
Being obtained by damping branch chain 1 90-degree rotation, damping branch chain 35 is identical with damping branch chain 1 structure；Vibration damping props up
Bar 2 16 in chain 35 contacts with groove 2 20 and is fixed on moving platform 1, described damping branch chain 35
Connecting rod 13 be bolted at moving platform 27 lower surface；Two spring guides of described damping branch chain 46
17 are separately mounted on moving platform 1 and moving platform 27.
During work: people lifted on moving platform 27, two people lift two handles 8, in the process of walking, road surface respectively
Jolting, vibrated, two damping branch chains 35 and 18 damping branch chains 46 are connected to moving platform 1 and move flat
Between platform 27；In the process of walking, rotation bar 1, rotation bar 2 12 on two damping branch chains 35 rotate,
Rotary shaft 15 rotates, and torsion spring 10 reverses stress deformation, passes to rotary shaft 15 counteracting force, and connecting rod 13 rotates,
Connecting rod 13 is connected with moving platform 27 so that moving platform 27 can rotate around y-axis relative to moving platform 1, and 18
Bar damping branch chain 46 is because stress is different, and partial spring 2 18 compresses, due to torsion spring 10 and the anti-work of spring 2 18
Firmly pass to moving platform 27 by rotation bar 1, rotation bar 2 12, connecting rod 13 and spring guide 17, thus
Moving platform 27 can be realized there is relative to moving platform 1 vibration damping rotated around y-axis direction；Article two, damping branch chain 35
On partial spring 1 because of forced compression, partial spring 1 stress stretches, and moving platform 27 is relative to moving platform 1
There is one-movement-freedom-degree along the y-axis direction, the counteracting force that spring 1 produces because of stress deformation by rotate bar 1,
Rotate bar 2 12, connecting rod 13 and act on moving platform 27,18 damping branch chains 46 also because the difference of stress,
Partial spring 2 18 compresses, and partial spring 2 18 stretches, and the power of generation acts on moving platform 27, moving platform 27 phase
The vibration damping moved along the y-axis direction can be realized for moving platform 1；Due to spring 1, torsion spring 10 and spring 2 18
Effect, power is acted on moving platform 27 by two damping branch chains, 35,18 damping branch chains 46 jointly so that dynamic
Platform 27 has around the rotation of y-axis direction relative to moving platform 1, moves two degree of freedom along the y-axis direction, makes
Obtain moving platform 27 to have around the rotation of y-axis direction, effectiveness in vibration suppression along the y-axis direction relative to moving platform 1.
In the process of walking, two damping branch chains 1 and 12 damping branch chains 23 are connected to moving platform 1 and quiet
Between platform 1；Article two, the rotation bar 1 on damping branch chain 1, rotation bar 2 12 rotate, and rotary shaft 15 rotates,
Torsion spring 10 reverses stress deformation, passes to rotary shaft 15 counteracting force, and connecting rod 13 rotates, and connecting rod 13 is flat with dynamic
Platform 1 is connected so that moving platform 1 can rotate around x-axis direction relative to silent flatform 1,12 damping branch chains 23
Because stress is different, spring 2 18 stress deformation produces counteracting force, due to torsion spring 10 and the retroaction of spring 2 18
Power passes to moving platform 1 by rotating bar 1, rotation bar 2 12, connecting rod 13 and spring guide 17, thus can
Realize moving platform 1 to rotate around x-axis direction relative to silent flatform 1；Article two, the partial spring on damping branch chain 1
One 9 stretch because of forced compression, partial spring 1 stress, and moving platform 1 has along x-axis shifting relative to silent flatform 1
Dynamic degree of freedom, the counteracting force that spring 1 produces because of stress deformation is by rotating bar 1, rotating bar 2 12, company
Extension bar 13 acts on moving platform 1, and 12 damping branch chains 23 are also because the difference of stress, and spring 2 18 is subject to
The power that force deformation produces acts on moving platform 1 so that moving platform 1 can realize moving along x-axis relative to silent flatform 1
Dynamic vibration damping；Due to spring 1, torsion spring 10 and the effect of spring 2 18, two damping branch chains one 2,12 subtract
Power is acted on moving platform 1 by the side chain 23 that shakes jointly so that moving platform 1 has around x-axis side relative to silent flatform 1
To rotation, move two degree of freedom along the x-axis direction so that moving platform 1 has around x-axis relative to silent flatform 1
Direction rotates, effectiveness in vibration suppression along the x-axis direction.
Moving platform 27 can bear two rotating around y-axis direction and moving along the y-axis direction freely relative to moving platform 1
Degree vibration, moving platform 1 can bear relative to silent flatform 1 and rotates around x-axis direction and move two along the x-axis direction
The vibration of degree of freedom, final moving platform 27 relative to silent flatform 1 can bear around x-axis, y-axis direction rotate and along x-axis,
The four-degree-of-freedom vibration that y-axis moves；In sum when people is on moving platform 27, the vibration damping of four degree of freedom can be obtained
Effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent or the improvement etc. made within god and principle, should be included in protection scope of the present invention it
In.
Claims (3)
1. the stretcher possessing vibration-damping function, it is characterised in that: include silent flatform, damping branch chain one, damping branch chain
Two, moving platform one, damping branch chain three, damping branch chain four, moving platform two, handle；Four are had on described silent flatform
Individual groove one；Four grooves two are had on the upside of described moving platform one；Described damping branch chain one has two, and two subtract
The shake lower end of side chain one is separately mounted in the groove one of silent flatform, and the upper end of two damping branch chains one is installed in dynamic flat
On platform one；Described damping branch chain two has 12, and the upper end of 12 damping branch chains two is both connected on moving platform one,
Article 12, the lower end of damping branch chain two is both connected on silent flatform；Article two, the lower end of damping branch chain three is installed in moving platform
In the groove two of, the upper end of two damping branch chains three is installed on moving platform two；Described damping branch chain four has ten
Article eight, the upper end of 18 damping branch chains four is both connected on moving platform two, and the lower end of 18 damping branch chains four all connects
It is connected on moving platform one；Described handle has four, and four handles are all welded on silent flatform, provide for whole device
Liftable point；
Described damping branch chain one includes spring one, torsion spring, rotation bar one, rotates bar two, connecting rod；Described turns
Lever one includes bar one, rotary shaft, bar two；In walking process, two damping branch chains one and 12 damping branch chains two
It is connected between moving platform one and silent flatform；Article two, the rotation bar one on damping branch chain one, rotation bar two rotate, and rotate
Axle rotates, and torsion spring reverses stress deformation, passes to rotary shaft counteracting force, and connecting rod rotates, connecting rod and moving platform one
It is connected so that moving platform one can rotate around x-axis direction relative to silent flatform.
A kind of stretcher possessing vibration-damping function the most according to claim 1, it is characterised in that: described rotation bar
One is identical with rotating bar two structure；Described spring one has four, and wherein one end of spring one is installed on the rotating shaft,
The other end is arranged in groove one；Described bar two forms revolute pair through rotary shaft, bar two with rotary shaft；Described
Bar two contacts with groove one and is fixed on silent flatform；Described torsion spring has two, and torsion spring set on the rotating shaft, is turned round
Spring one end is fixed in bar one, and the other end is fixed on groove one；Described connecting rod is connected formation with rotating bar one
Revolute pair；The connecting rod of described damping branch chain one is bolted at moving platform a lower surface；Described bar one leads to
Cross welding on the rotating shaft.
A kind of stretcher possessing vibration-damping function the most according to claim 1, it is characterised in that: described vibration damping props up
Chain three is obtained by damping branch chain one 90-degree rotation, and damping branch chain three is identical with damping branch chain one structure；Damping branch chain
Bar two in three contacts with groove two and is fixed on moving platform one, and the connecting rod of described damping branch chain three passes through spiral shell
Tether and be connected on moving platform two lower surface；Two spring guides of described damping branch chain four are separately mounted to moving platform one He
On moving platform two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610372880.4A CN105943259B (en) | 2016-05-24 | 2016-05-24 | A kind of stretcher for possessing vibration-damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610372880.4A CN105943259B (en) | 2016-05-24 | 2016-05-24 | A kind of stretcher for possessing vibration-damping function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105943259A true CN105943259A (en) | 2016-09-21 |
| CN105943259B CN105943259B (en) | 2017-11-21 |
Family
ID=56911035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610372880.4A Withdrawn - After Issue CN105943259B (en) | 2016-05-24 | 2016-05-24 | A kind of stretcher for possessing vibration-damping function |
Country Status (1)
| Country | Link |
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| CN (1) | CN105943259B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658340A (en) * | 2020-06-10 | 2020-09-15 | 陈韩 | Emergency department first aid is with initiative storage type stretcher |
| CN113476222A (en) * | 2021-08-02 | 2021-10-08 | 中国人民解放军陆军军医大学第二附属医院 | Shock-absorbing stretcher for medical critical patients |
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| CN1132562C (en) * | 1998-10-21 | 2003-12-31 | 株式会社三角工具加工 | Shockproof rack for ambulance |
| CN202674156U (en) * | 2012-05-08 | 2013-01-16 | 北京市北分仪器技术有限责任公司 | Vehicle-mounted apparatus vibration damping device |
| CN203214749U (en) * | 2013-04-27 | 2013-09-25 | 杭州汉克斯隔音技术工程有限公司 | Transformer shock absorber |
| CN203770957U (en) * | 2014-03-24 | 2014-08-13 | 中核华泰建设有限公司 | Simple damping base for horizontal pump |
| CN104129307A (en) * | 2014-08-19 | 2014-11-05 | 安徽理工大学 | Three-degree-of-freedom series-parallel pantograph based on double-parallel mechanism |
| CN204501275U (en) * | 2015-03-16 | 2015-07-29 | 南安市广韵贸易有限公司 | A kind of novel emergency stretcher car |
| CN204545385U (en) * | 2015-04-29 | 2015-08-12 | 安徽理工大学 | Four-freedom hybrid connected vibrating casting machine is rotated in three translations one |
| CN204562597U (en) * | 2015-04-03 | 2015-08-19 | 许永刚 | A kind of transportation trolley of patients in cardiovascular internal medicine department |
| CN204683945U (en) * | 2015-05-22 | 2015-10-07 | 林慧敏 | Medical first aid stretcher |
| CN105213116A (en) * | 2015-11-06 | 2016-01-06 | 金丽秋 | A kind of transfer cart for patients |
| CN105299128A (en) * | 2015-11-27 | 2016-02-03 | 上海工程技术大学 | Double-acting platform type parallel mechanism vibration reducing platform |
-
2016
- 2016-05-24 CN CN201610372880.4A patent/CN105943259B/en not_active Withdrawn - After Issue
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132562C (en) * | 1998-10-21 | 2003-12-31 | 株式会社三角工具加工 | Shockproof rack for ambulance |
| CN202674156U (en) * | 2012-05-08 | 2013-01-16 | 北京市北分仪器技术有限责任公司 | Vehicle-mounted apparatus vibration damping device |
| CN203214749U (en) * | 2013-04-27 | 2013-09-25 | 杭州汉克斯隔音技术工程有限公司 | Transformer shock absorber |
| CN203770957U (en) * | 2014-03-24 | 2014-08-13 | 中核华泰建设有限公司 | Simple damping base for horizontal pump |
| CN104129307A (en) * | 2014-08-19 | 2014-11-05 | 安徽理工大学 | Three-degree-of-freedom series-parallel pantograph based on double-parallel mechanism |
| CN204501275U (en) * | 2015-03-16 | 2015-07-29 | 南安市广韵贸易有限公司 | A kind of novel emergency stretcher car |
| CN204562597U (en) * | 2015-04-03 | 2015-08-19 | 许永刚 | A kind of transportation trolley of patients in cardiovascular internal medicine department |
| CN204545385U (en) * | 2015-04-29 | 2015-08-12 | 安徽理工大学 | Four-freedom hybrid connected vibrating casting machine is rotated in three translations one |
| CN204683945U (en) * | 2015-05-22 | 2015-10-07 | 林慧敏 | Medical first aid stretcher |
| CN105213116A (en) * | 2015-11-06 | 2016-01-06 | 金丽秋 | A kind of transfer cart for patients |
| CN105299128A (en) * | 2015-11-27 | 2016-02-03 | 上海工程技术大学 | Double-acting platform type parallel mechanism vibration reducing platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658340A (en) * | 2020-06-10 | 2020-09-15 | 陈韩 | Emergency department first aid is with initiative storage type stretcher |
| CN113476222A (en) * | 2021-08-02 | 2021-10-08 | 中国人民解放军陆军军医大学第二附属医院 | Shock-absorbing stretcher for medical critical patients |
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| Publication number | Publication date |
|---|---|
| CN105943259B (en) | 2017-11-21 |
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