CN103393506A - Ambulance stretcher - Google Patents
Ambulance stretcher Download PDFInfo
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- CN103393506A CN103393506A CN2013102848947A CN201310284894A CN103393506A CN 103393506 A CN103393506 A CN 103393506A CN 2013102848947 A CN2013102848947 A CN 2013102848947A CN 201310284894 A CN201310284894 A CN 201310284894A CN 103393506 A CN103393506 A CN 103393506A
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- stretcher
- upper limb
- mid portion
- pipe
- giving
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Abstract
An ambulance stretcher comprises a stretcher bed and a stretcher body. The stretcher bed is detachably mounted on the stretcher body through a connecting device; the stretcher bed is composed of a lower limb part, a middle portion and an upper limber part, the lower limb part is rotatably connected to the middle portion through plug tubes, the upper limb part comprises an inner upper limb part and an outer upper limb part, the outer upper limb part is of a stretchy structure and is connected to the middle portion in a stretchy mode, and the inner upper limb part is rotatably connected to the middle portion and is fixed through a ratchet mechanism; the stretcher body is composed of front supporting legs, a stretcher frame and back supporting legs, the front supporting legs and the back supporting legs are connected to the stretcher frame, a circular tube is arranged below the stretcher frame, a sliding groove is formed in the circular tube, a sliding rod which moves along the sliding groove is mounted in the circular tube, a spring is arranged between the tail end of the sliding rod and the rear end of the circular tube, the inner side of the sliding rod is connected with the front supporting legs through front foot connecting rods, the outer side of the sliding rod is connected with the back supporting legs through back foot connecting rods, and a panel used for bearing the stretcher bed is arranged on the stretcher frame.
Description
Technical field
The present invention relates to a kind of Multi-functional stretcher for emergency car.
Background technology
Due in recent years, the natural disaster Frequent Accidents, cause many casualties, and rescue personnel's relative shortage, and the wheel-type stretcher car can't be at the field usage of uneven, and the solid space of stretcher is large, in some narrow spaces, can't use.The stretcher part of the existing one man operation of historical facts or anecdotes up and down ambulance, stretcher and car body separable, stretcher is collapsible just seems very necessary.
Summary of the invention
The object of the present invention is to provide a kind of suitable one man operation up and down ambulance, stretcher and car body is separable, the folding Stretcher cart for giving first aid of stretcher.
For reaching goal of the invention the technical solution used in the present invention, be:
Stretcher cart for giving first aid, comprise stretcher and car body, it is characterized in that: described stretcher is arranged on car body by a connecting device is dismountable;
Described stretcher is comprised of lower limb, mid portion, upper limb, described lower limb are rotatably connected on mid portion by the latch pipe, one end of described latch pipe is fixedly connected with mid portion, its other end and lower limb are hinged, in described latch pipe, be equipped with removable and can make lower limb and mid portion be in the latch slide block on the same level line, described lower limb are provided with castor and pedal; Described upper limb comprises interior upper limb and outer upper limb, described outer upper limb is a stretching structure, its telescopically is connected on mid portion, rotatable being connected on mid portion of described interior upper limb, and can fix by ratchet mechanism, described ratchet mechanism comprises ratchet and pawl, described ratchet is fixed on interior upper limb, described ratchet is fixed on mid portion, on described outer upper limb, the fixture of guaranteeing interior upper limb horizontal level is installed, and on described interior upper limb, folding support bar and handle is installed;
Described car body is comprised of front leg strut, vehicle frame, rear support leg, and described front leg strut, rear support leg all are connected on vehicle frame, and its bottom all is equipped with universal wheel, and the universal wheel of described rear support leg is provided with brake; The below of described vehicle frame is provided with a pipe, on described pipe, offer chute, the slide bar that moves along chute is installed in described pipe, between the end of described slide bar and the rear end of pipe, be provided with spring, the inboard of described slide bar is connected with front leg strut by forward foot in a step connecting rod, and its outside is connected with rear support leg by rear foot connecting rod; Described vehicle frame is provided be used to laying the sheet material of stretcher.
Further, described connecting device is a knob, described knob is the structure of a bottom cuboid, mediate cylindrical, top semicircular body, described cuboid is positioned at the sheet material below of car body, the pipe that described semicircular body is positioned at the sheet material top of car body and can enters the stretcher mid portion is in contact with it connection, the upper surface of described semicircular body is a rectangle, and the rectangular slot on the pipe lower surface of its size and stretcher mid portion is identical.
Further, the length of described car body is slightly larger than the mid portion length of stretcher.
Further, described fixture comprises that one is sleeved on the hollow circular tube on outer upper limb, on described hollow circular tube, is connected with one be used to clamping the semi-circular tube of interior upper limb.
Further, described latch slide block is a cylindrical metal piece identical with the round tube inside diameter of lower limb.
Further, described interior upper limb, ratchet, mid portion are connected on same axis.
Further, described vehicle frame is provided with the card article for lower limb after fixing rotation.
Further, described support bar is a U-shaped tubular structure, and its height is identical to the vertical height of lower limb with castor.
Further, described slide bar is a middle cylinder with plane.
Between described rear support leg and rear foot connecting rod, are further, between described front leg strut, rear support leg and vehicle frame, between described front leg strut and forward foot in a step connecting rod, all rivetings.
use procedure of the present invention: when Stretcher cart for giving first aid will enter ambulance, at first the castor on lower limb contacts with the bottom of ambulance inside, along with Stretcher cart for giving first aid moves forward, the front leg strut of stretcher car body is rotation backward due to the collision with the ambulance afterbody, simultaneously the slide bar in the vehicle frame pipe slides backward along chute at the spring that front leg strut and people's action of gravity lower compression is arranged in pipe, when slide bar slides, driving rear support leg rotates backward, when slide bar moves to the end of chute, the slide bar stop motion, front leg strut and rear propping up are moved back the position that all folds into level simultaneously.The support bar that be rotatably installed in interior upper limb this moment makes it vertical with interior upper limb plane, keeps the stability of Stretcher cart for giving first aid.When Stretcher cart for giving first aid gets off from rescue, first pack up support bar, haul outward Stretcher cart for giving first aid, the power that is subject to when the stretcher shank disappears, spring is because elastic force will recover the original state that makes that stretches, spring promotes slide bar and travels forward, and through the transmission of connecting rod, makes the front leg strut of stretcher and rear support leg recover original upright state.
When Stretcher cart for giving first aid will enter narrow space, stretcher need be changed into to wheelchair and use, at first rotating, upper limb rotates up suitable position, and stuck fixing by ratchet mechanism, pulling handle makes it vertical with interior upper limb simultaneously.Then promote outer upper limb, make in its pipe that is reduced to mid portion.Finally slide latch slide block in mid portion latch pipe, return in the latch pipe it, then rotates lower limb, and the card article that rotates simultaneously on vehicle frame fixes the position of lower limb, thereby realizes the transformation of wheelchair state.
Separating mainly by the rotation of the knob below the sheet material that is arranged on car body of stretcher and car body.When the position consistency of the rectangular slot on the pipe lower surface of the upper surface of the semicircular body of knob and stretcher mid portion, stretcher is placed on car body, when the semicircular body of knob enters in the pipe of stretcher by the time, 90 ° of knob, the inside of the pipe of the semicircular body of knob and mid portion is contacted, realize the stuck of stretcher and car body, equally, in the time will separating stretcher and car body, same rotary knob makes the rectangular slot on the pipe lower surface of the upper surface of semicircular body of knob and stretcher mid portion parallel, then lifts stretcher and gets final product.
Stretcher is with after car body separates, and due to the existence of the castor of lower limb, stretcher can move; In order to keep the level of stretcher, in the time of use, the support bar of interior upper limb is rotated to the state vertical with interior upper limb.
Beneficial effect of the present invention:
(1) the single vertical pulling stretcher that directly pushes away can be realized by the folding of front and back supporting leg, and is simple and convenient quick during use;
(2) the folding stretcher that requires of stretcher part can change the wheelchair state into, this function realizes mid portion and interior upper limb by ratchet is hinged, lower limb and mid portion realize that by bolt device lower limb and mid portion realize the function of stretcher in same level, by a rotatable clamp, fix the position that stretcher becomes lower limb after the wheelchair state, avoid castor and the front leg strut collision of lower limb, collapsible its functional diversities that makes of stretcher, applied widely;
(3) combination that makes stretcher and car body of the connecting device by knob with separate, very convenient quick in conjunction with separating.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is wheelchair state diagram of the present invention;
Fig. 3 is the folding rear state diagram of car body of the present invention;
Fig. 4 is the structural representation of stretcher of the present invention;
Fig. 5 is the structural representation of car body of the present invention;
Fig. 6 is the structural representation of knob of the present invention;
Fig. 7 is the structural representation of slide bar of the present invention;
Fig. 8 is the structural representation of latch pipe of the present invention and latch slide block.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these specific embodiment.One skilled in the art would recognize that the present invention contained all alternatives, improvement project and the equivalents that may comprise in claims scope.
With reference to Fig. 1-8, Stretcher cart for giving first aid, comprise stretcher and car body, and described stretcher is arranged on car body by a connecting device is dismountable;
Described stretcher is comprised of lower limb 1, mid portion 2, upper limb, described lower limb 1 are rotatably connected on mid portion 2 by latch pipe 7, one end of described latch pipe 7 is fixedly connected with mid portion 2, its other end and lower limb 1 are hinged, in described latch pipe 7, be equipped with removable and can make lower limb 1 and mid portion 2 be in the latch slide block 14 on the same level line, described lower limb 1 are provided with castor 9 and pedal 21; Described upper limb comprises interior upper limb 3 and outer upper limb 4, described outer upper limb 4 is stretching structures, its telescopically is connected on mid portion 2, described interior upper limb 3 is rotatable to be connected on mid portion 2, and can fix by ratchet mechanism, described ratchet mechanism comprises ratchet 5 and ratchet 6, described ratchet 5 is fixed on interior upper limb 3, described ratchet 6 is fixed on mid portion 2, the fixture 8 of guaranteeing interior upper limb 3 horizontal levels is installed on described outer upper limb 4, on described interior upper limb 3, folding support bar 19 and handle 20 is installed;
Described car body is comprised of front leg strut 10, vehicle frame 16, rear support leg 11, and described front leg strut 10, rear support leg 11 all are connected on vehicle frame 16, and its bottom all is equipped with universal wheel 17, and the universal wheel 17 of described rear support leg 11 is provided with brake 18; The below of described vehicle frame 16 is provided with a pipe 23, on described pipe 23, offer chute, the slide bar 15 that moves along chute is installed in described pipe 23, between the end of described slide bar 15 and the rear end of pipe, be provided with spring 24, the inboard of described slide bar 15 is connected with front leg strut 10 by forward foot in a step connecting rod 12, and its outside is connected with rear support leg 11 by rear foot connecting rod 13; Described vehicle frame 16 is provided with the sheet material 27 be used to laying stretcher.
Described connecting device is a knob 25, described knob 25 is structures of a bottom cuboid, mediate cylindrical, top semicircular body, described cuboid is positioned at sheet material 27 belows of car body, the pipe that described semicircular body is positioned at sheet material 27 tops of car body and can enters stretcher mid portion 2 is in contact with it connection, the upper surface of described semicircular body is a rectangle, and the rectangular slot on the pipe lower surface of its size and stretcher mid portion 2 is identical.
The length of described car body is slightly larger than mid portion 2 length of stretcher.
Described fixture 8 comprises that one is sleeved on the hollow circular tube on outer upper limb 4, on described hollow circular tube, is connected with one be used to clamping the semi-circular tube of interior upper limb 3.
Described latch slide block 14 is cylindrical metal pieces identical with the round tube inside diameter of lower limb 1.
Described interior upper limb 3, ratchet 5, mid portion 2 are connected on same axis.
Described vehicle frame 16 is provided with the card article 26 for lower limb 2 after fixing rotation.
Described support bar 19 is U-shaped tubular structures, and its height is identical to the vertical height of lower limb 1 with castor 9.
Described slide bar 15 is middle cylinders with plane.
Between described front leg strut 10, rear support leg 11 and vehicle frame 16, between described front leg strut 10 and forward foot in a step connecting rod 12, between described rear support leg 11 and rear foot connecting rod 13, are all rivetings.
use procedure of the present invention: when Stretcher cart for giving first aid will enter ambulance, at first the castor 9 on lower limb 1 contacts with the bottom of ambulance inside, along with Stretcher cart for giving first aid moves forward, the front leg strut 10 of stretcher car body is rotation backward due to the collision with the ambulance afterbody, simultaneously the slide bar 15 in vehicle frame pipe 23 slides backward along chute at the spring 24 that front leg strut 10 and people's action of gravity lower compression is arranged in pipe 23, slide bar 15 drives rear support leg 11 when sliding and rotates backward, when slide bar 15 moves to the end of chute, slide bar 15 stop motions, simultaneously front leg strut 10 and rear move back 11 positions that fold into level.The support bar 19 that be rotatably installed in interior upper limb 3 this moment makes it vertical with interior upper limb 3 planes, keeps the stability of Stretcher cart for giving first aid.When Stretcher cart for giving first aid gets off from rescue, first pack up support bar 19, haul outward Stretcher cart for giving first aid, the power that is subject to when the stretcher shank disappears, spring 24 is because elastic force will recover the original state that makes that stretches, spring 24 promotes slide bar 15 and travels forward, and through the transmission of connecting rod, makes the front leg strut 10 of stretcher and rear support leg 11 recover original upright state.
When Stretcher cart for giving first aid will enter narrow space, stretcher need be changed into to wheelchair and use, at first rotating, upper limb 3 rotates up suitable position, and stuck fixing by ratchet mechanism, pulling handle 20 makes it vertical with interior upper limb 3 simultaneously.Then promote outer upper limb 4, make in its pipe that is reduced to mid portion 2.Finally slide latch slide block 14 in mid portion latch pipe 7, return in latch pipe 7 it, then rotates lower limb 1, and the card article 26 that rotates simultaneously on vehicle frame 16 fixes the position of lower limb 1, thereby realizes the transformation of wheelchair state.
The rotation of the knob 25 that separates mainly sheet material 27 belows by being arranged on car body of stretcher and car body.when the position consistency of the rectangular slot on the pipe lower surface of the upper surface of the semicircular body of knob 25 and stretcher mid portion 2, stretcher is placed on car body, when the semicircular body of knob 25 enters in the pipe of stretcher by the time, 90 ° of knob, the semicircular body of knob 25 is contacted with the inside of the pipe of mid portion 3, realize the stuck of stretcher and car body, equally, in the time will separating stretcher and car body, same rotary knob 25 makes the rectangular slot on the pipe lower surface of the upper surface of semicircular body of knob 25 and stretcher mid portion 3 parallel, then lifting stretcher gets final product.
Stretcher is with after car body separates, and due to the existence of the castor 9 of lower limb 1, stretcher can move; In order to keep the level of stretcher, in the time of use, the support bar 19 of interior upper limb 3 is rotated to and the vertical state of interior upper limb 3.
Claims (10)
1. Stretcher cart for giving first aid, comprise stretcher and car body, it is characterized in that: described stretcher is arranged on car body by a connecting device is dismountable;
Described stretcher is comprised of lower limb, mid portion, upper limb, described lower limb are rotatably connected on mid portion by the latch pipe, one end of described latch pipe is fixedly connected with mid portion, its other end and lower limb are hinged, in described latch pipe, be equipped with removable and can make lower limb and mid portion be in the latch slide block on the same level line, described lower limb are provided with castor and pedal; Described upper limb comprises interior upper limb and outer upper limb, described outer upper limb is a stretching structure, its telescopically is connected on mid portion, rotatable being connected on mid portion of described interior upper limb, and can fix by ratchet mechanism, described ratchet mechanism comprises ratchet and pawl, described ratchet is fixed on interior upper limb, described ratchet is fixed on mid portion, on described outer upper limb, the fixture of guaranteeing interior upper limb horizontal level is installed, and on described interior upper limb, folding support bar and handle is installed;
Described car body is comprised of front leg strut, vehicle frame, rear support leg, and described front leg strut, rear support leg all are connected on vehicle frame, and its bottom all is equipped with universal wheel, and the universal wheel of described rear support leg is provided with brake; The below of described vehicle frame is provided with a pipe, on described pipe, offer chute, the slide bar that moves along chute is installed in described pipe, between the end of described slide bar and the rear end of pipe, be provided with spring, the inboard of described slide bar is connected with front leg strut by forward foot in a step connecting rod, and its outside is connected with rear support leg by rear foot connecting rod; Described vehicle frame is provided be used to laying the sheet material of stretcher.
2. Stretcher cart for giving first aid according to claim 1, it is characterized in that: described connecting device is a knob, described knob is the structure of a bottom cuboid, mediate cylindrical, top semicircular body, described cuboid is positioned at the sheet material below of car body, the pipe that described semicircular body is positioned at the sheet material top of car body and can enters the stretcher mid portion is in contact with it connection, the upper surface of described semicircular body is a rectangle, and the rectangular slot on the pipe lower surface of its size and stretcher mid portion is identical.
3. Stretcher cart for giving first aid according to claim 1 and 2, it is characterized in that: the length of described car body is slightly larger than the mid portion length of stretcher.
4. Stretcher cart for giving first aid according to claim 3, it is characterized in that: described fixture comprises that one is sleeved on the hollow circular tube on outer upper limb, on described hollow circular tube, is connected with one be used to clamping the semi-circular tube of interior upper limb.
5. Stretcher cart for giving first aid according to claim 4, it is characterized in that: described latch slide block is a cylindrical metal piece identical with the round tube inside diameter of lower limb.
6. Stretcher cart for giving first aid according to claim 5, it is characterized in that: described interior upper limb, ratchet, mid portion are connected on same axis.
7. Stretcher cart for giving first aid according to claim 6 is characterized in that: described vehicle frame is provided with the card article for lower limb after fixing rotation.
8. Stretcher cart for giving first aid according to claim 7, it is characterized in that: described support bar is a U-shaped tubular structure, its height is identical to the vertical height of lower limb with castor.
9. Stretcher cart for giving first aid according to claim 8 is characterized in that: described slide bar is with the cylinder on plane in the middle of one.
10. Stretcher cart for giving first aid according to claim 9 is characterized in that: between described front leg strut, rear support leg and vehicle frame, between described front leg strut and forward foot in a step connecting rod, between described rear support leg and rear foot connecting rod, are all rivetings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284894.7A CN103393506B (en) | 2013-07-08 | 2013-07-08 | Stretcher cart for giving first aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284894.7A CN103393506B (en) | 2013-07-08 | 2013-07-08 | Stretcher cart for giving first aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103393506A true CN103393506A (en) | 2013-11-20 |
| CN103393506B CN103393506B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284894.7A Expired - Fee Related CN103393506B (en) | 2013-07-08 | 2013-07-08 | Stretcher cart for giving first aid |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948474A (en) * | 2014-05-19 | 2014-07-30 | 俞关清 | Foldable type first-aid stretcher |
| CN104173155A (en) * | 2014-09-11 | 2014-12-03 | 济南鑫基业医疗器械有限公司 | Slippage carrying bed |
| CN104224455A (en) * | 2014-10-14 | 2014-12-24 | 江苏澳格姆生物科技有限公司 | Foldable stretcher |
| CN106733673A (en) * | 2016-12-06 | 2017-05-31 | 顺丰速运有限公司 | A kind of automation and the turnover appliance and its application method of manual sorting's equipment |
| CN106963566A (en) * | 2017-03-28 | 2017-07-21 | 王芬 | A kind of multi-functional Cardiological nursing transfer device |
| CN107174415A (en) * | 2017-06-16 | 2017-09-19 | 李广 | Stretcher with wheels |
| CN107961118A (en) * | 2018-01-05 | 2018-04-27 | 中进医疗器材泰州有限公司 | A kind of cantilevered stretcher |
| CN108670593A (en) * | 2018-03-28 | 2018-10-19 | 贵州大学 | A kind of detachable stretcher type first aid wheelchair |
| CN109363653A (en) * | 2018-12-27 | 2019-02-22 | 李子轩 | One kind transmitting emergency department's especial patient care monitoring system based on ZIGBee |
| CN109745183A (en) * | 2019-03-15 | 2019-05-14 | 浙江理工大学 | A kind of Portable folding stretcher |
| CN110251323A (en) * | 2019-07-26 | 2019-09-20 | 龚勤峰 | Medical scoop stretcher wheelchair |
| CN110464556A (en) * | 2019-08-30 | 2019-11-19 | 黄驰越 | The ambulance stretcher combination that can be got on or off the bus automatically |
| CN111544210A (en) * | 2020-06-03 | 2020-08-18 | 陈星� | Multifunctional stretcher vehicle |
| CN112688629A (en) * | 2020-12-30 | 2021-04-20 | 国网山东省电力公司青岛供电公司 | Photovoltaic solar panel array power generation matching device |
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| CN1994248A (en) * | 2006-12-30 | 2007-07-11 | 李全兴 | Seat loaded stretcher |
| US7581265B1 (en) * | 2005-06-03 | 2009-09-01 | Ferno-Washington, Inc. | Roll-in chair cot with three cot height positions |
| CN201642614U (en) * | 2010-05-08 | 2010-11-24 | 桂林电子科技大学 | Multifunctional conveyer for sick and wounded |
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| US4767148A (en) * | 1987-10-28 | 1988-08-30 | Ferno-Washington, Inc. | Multiple level roll-in cot |
| US7581265B1 (en) * | 2005-06-03 | 2009-09-01 | Ferno-Washington, Inc. | Roll-in chair cot with three cot height positions |
| CN1994248A (en) * | 2006-12-30 | 2007-07-11 | 李全兴 | Seat loaded stretcher |
| CN201642614U (en) * | 2010-05-08 | 2010-11-24 | 桂林电子科技大学 | Multifunctional conveyer for sick and wounded |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948474A (en) * | 2014-05-19 | 2014-07-30 | 俞关清 | Foldable type first-aid stretcher |
| CN104173155A (en) * | 2014-09-11 | 2014-12-03 | 济南鑫基业医疗器械有限公司 | Slippage carrying bed |
| CN104224455A (en) * | 2014-10-14 | 2014-12-24 | 江苏澳格姆生物科技有限公司 | Foldable stretcher |
| CN104224455B (en) * | 2014-10-14 | 2016-08-24 | 江苏澳格姆生物科技有限公司 | A kind of foldable stretcher |
| CN106733673A (en) * | 2016-12-06 | 2017-05-31 | 顺丰速运有限公司 | A kind of automation and the turnover appliance and its application method of manual sorting's equipment |
| CN106963566A (en) * | 2017-03-28 | 2017-07-21 | 王芬 | A kind of multi-functional Cardiological nursing transfer device |
| CN107174415B (en) * | 2017-06-16 | 2019-08-27 | 李广 | Stretcher with wheels |
| CN107174415A (en) * | 2017-06-16 | 2017-09-19 | 李广 | Stretcher with wheels |
| CN107961118A (en) * | 2018-01-05 | 2018-04-27 | 中进医疗器材泰州有限公司 | A kind of cantilevered stretcher |
| CN108670593A (en) * | 2018-03-28 | 2018-10-19 | 贵州大学 | A kind of detachable stretcher type first aid wheelchair |
| CN108670593B (en) * | 2018-03-28 | 2020-02-14 | 贵州大学 | Detachable stretcher type first-aid wheelchair |
| CN109363653A (en) * | 2018-12-27 | 2019-02-22 | 李子轩 | One kind transmitting emergency department's especial patient care monitoring system based on ZIGBee |
| CN109745183A (en) * | 2019-03-15 | 2019-05-14 | 浙江理工大学 | A kind of Portable folding stretcher |
| CN110251323A (en) * | 2019-07-26 | 2019-09-20 | 龚勤峰 | Medical scoop stretcher wheelchair |
| CN110251323B (en) * | 2019-07-26 | 2024-03-19 | 龚勤峰 | Medical shovel type stretcher wheelchair |
| CN110464556A (en) * | 2019-08-30 | 2019-11-19 | 黄驰越 | The ambulance stretcher combination that can be got on or off the bus automatically |
| CN111544210A (en) * | 2020-06-03 | 2020-08-18 | 陈星� | Multifunctional stretcher vehicle |
| CN112688629A (en) * | 2020-12-30 | 2021-04-20 | 国网山东省电力公司青岛供电公司 | Photovoltaic solar panel array power generation matching device |
| CN112688629B (en) * | 2020-12-30 | 2023-02-17 | 国网山东省电力公司青岛供电公司 | Photovoltaic solar panel array power generation matching device |
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| Publication number | Publication date |
|---|---|
| CN103393506B (en) | 2015-10-14 |
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