CN107854244A - A kind of sick bed - Google Patents

A kind of sick bed Download PDF

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Publication number
CN107854244A
CN107854244A CN201711182537.4A CN201711182537A CN107854244A CN 107854244 A CN107854244 A CN 107854244A CN 201711182537 A CN201711182537 A CN 201711182537A CN 107854244 A CN107854244 A CN 107854244A
Authority
CN
China
Prior art keywords
bed
traverse rod
portable plate
described
provided
Prior art date
Application number
CN201711182537.4A
Other languages
Chinese (zh)
Inventor
褚玲玲
Original Assignee
中国人民解放军陆军军医大学第二附属医院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国人民解放军陆军军医大学第二附属医院 filed Critical 中国人民解放军陆军军医大学第二附属医院
Priority to CN201711182537.4A priority Critical patent/CN107854244A/en
Publication of CN107854244A publication Critical patent/CN107854244A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/053Aids for getting into, or out of, bed, e.g. steps, chairs, cane-like supports
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/70General characteristics of devices with special adaptations, e.g. for safety or comfort

Abstract

The invention provides a kind of sick bed, including fixed plate, go to bed, leave the bed and portable plate;Go to bed and leave the bed and correspond to up and down and in fixed plate, fixed plate is provided with the track groups being made up of the first traverse rod, a pair perpendicular rails and the second traverse rod, a pair of perpendicular rails connect with upper and lower corresponding first traverse rod and the second cross bar square crossing, first traverse rod, which is correspondingly gone to bed and extends to certain distance of going to bed, to be enable on portable plate is moved to and goes to bed, and perpendicular rail is positioned at right side of going to bed;Portable plate is provided with reinforcement and connection end, and being provided with track groups can drive portable plate on the first traverse rod and the second traverse rod and erect Slide Group on rails while mobile for a pair, and Slide Group connects connection end.When patient of the present invention needs to get off from going to bed, it is sitting on portable plate to operate Slide Group and drive portable plate to be moved to the first traverse rod and the second traverse rod low order end and then operate Slide Group again and drives portable plate to slide down to perpendicular rail bottom along a pair of perpendicular rails so as to facilitate patient to get off from going to bed.

Description

A kind of sick bed

Technical field

The present invention relates to hospital bed, and in particular to a kind of sick bed.

Background technology

In the inpatient department of hospital, because current patient is increasing, many times limited by space, the sick bed of inpatient department Supply falls short of demand, and many patients also need to the sick beds such as queuing, often brings many troubles to patient and potential safety hazard be present, can also indulge in The treatment time of patient by mistake.

The content of the invention

The problem to be solved in the present invention is to provide a kind of sick bed for the above-mentioned deficiency in the presence of prior art and alleviate With bed pressure.

To achieve the above object, present invention employs following technical scheme:A kind of sick bed, including fixed plate, go to bed, under Bed and portable plate;Described to go to bed and leave the bed corresponding up and down and be arranged in the fixed plate, the fixed plate is provided with by first The track groups that traverse rod, a pair perpendicular rails and the second traverse rod form, a pair of perpendicular rails and upper and lower corresponding first traverse rod and institute State the second cross bar square crossing connection, go to bed described in first traverse rod is corresponding and extend to the certain distance of going to bed make it is described Portable plate can be moved on described go to bed, and the perpendicular rail is positioned at the right side of going to bed;The portable plate is provided with reinforcement and company End is connect, being provided with the track groups can drive the portable plate on first traverse rod and the second traverse rod and a pair described perpendicular Slide Group simultaneously mobile on rail, the Slide Group connect the connection end.

Further, the reinforcement is " ∠ " shape reinforcement, described to go to bed provided with relative with " ∠ " the shape reinforcement The neck answered, second traverse rod stretch into the neck.

Further, the portable plate is provided with a pair of guide rods, is provided with a pair of guide rods relative with the reinforcement " ∠ " the shape support member answered, " ∠ " the shape support member are provided with the first magnet, and the reinforcement is provided with and first magnetic Second magnet of iron phase reprimand.

Further, the dead plate upper end is provided with the push rod that can be pushed against on the wall.

Further, first brace and the second brace for being respectively arranged below with and connecting the fixed plate of going to bed and leave the bed.

Further, the Slide Group includes the first sliding block, the second sliding block, the 3rd cunning that can be slided in the track groups Block, the first telescopic cylinder and the second telescopic cylinder, first sliding block and the second sliding block are horizontally arranged on the portable plate, institute The 3rd sliding block is stated on the reinforcement, first sliding block is provided with the of the first telescopic cylinder expansion link described in clamping One interface, the 3rd sliding block are provided with the second interface of the expansion link of the second telescopic cylinder described in clamping.

Further, the Slide Group is furnished with control system and electromagnet system, and the electromagnet system includes being arranged on institute State the first electromagnet on the first telescopic cylinder expansion link front end and the first auxiliary section on the first interface and The second electromagnet on the second telescopic cylinder expansion link front end and second in the second interface is matched somebody with somebody Conjunction portion, the control system, which connects the electromagnet system, makes the first telescopic cylinder expansion link front end and the first interface First electromagnet described in during docking attracts the first auxiliary section, and second electromagnet disconnects with second auxiliary section simultaneously, described Control system, which connects the electromagnet system, makes the second telescopic cylinder expansion link front end dock when institute with the second interface State the second electromagnet and attract the second auxiliary section first electromagnet and first auxiliary section disconnection simultaneously.

Compared to prior art, the present invention has the advantages that:The fixed plate of the present invention is arranged on metope And it is fixed, can be embedded in armored concrete can also be locked at metope by bolt lock by the fixed plate;It is described to go to bed Weld or be bolted in the fixed plate with described leave the bed, described go to bed is supplied to the convenient patient of motion to use, institute Stating to leave the bed is supplied to the patient for being inconvenient to walk to use, and described leave the bed is left the bed apart from ground 1m or so, described go to bed described in distance 1.5m left and right;The portable plate is arranged on the Slide Group by the connection end, be able to can also be passed through by welding The fixtures such as bolt are fixed;The Slide Group is slided so as to make the portable plate be slided on first traverse rod and the second traverse rod Move and can slide on a pair of perpendicular rails, when patient needs to get off from described go to bed, be sitting on the portable plate and operate institute Stating Slide Group drives the portable plate to be moved to first traverse rod and the second traverse rod low order end and then operate the Slide Group again The portable plate is driven to slide down to the perpendicular rail bottom along a pair of perpendicular rails so as to facilitate patient to get off from going to bed; When on patient's needs it is described go to bed when, be sitting on the portable plate, operate the Slide Group and be moved to most along a pair of perpendicular rails Upper end, it is then horizontal again to be moved to the left described on band patient go to bed along the first cross bar direction;The Slide Group can select From drive system drive walking driving wheel and with driven pulley walk, driving wheel be connected on the portable plate it is convenient can be from institute The walking of the first traverse rod is stated to perpendicular rail;The connection end can be the screw thread of prominent first traverse rod, the second traverse rod and perpendicular rail Projection, the thread protrusion are tightened on driven pulley or driving wheel;The reinforcement provides an inclination to the portable plate Support alleviate caused pressure after the portable plate is directly connected people with the Slide Group.

Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.

Brief description of the drawings

Fig. 1 is a kind of sick bed front view of the present invention.

Fig. 2 is a kind of sick bed side view of the present invention.

Fig. 3 is portable plate stereogram of the present invention.

Fig. 4 is Slide Group structural representation of the present invention.

Fig. 5 is portable plate upward view of the present invention.

Fig. 6 is the first structure chart of Slide Group of the present invention.

Fig. 7 is second of structure chart of Slide Group of the present invention.

Embodiment

In order that technological means, creation characteristic, reached purpose that the present invention realizes more understand and are apparent to acting on, The present invention is further elaborated with reference to the accompanying drawings and detailed description:

The present invention proposes a kind of sick bed, including fixed plate 1, go to bed 2, leave the bed 3 and portable plate 4;Described go to bed 2 and is left the bed About 3 correspond to and in the fixed plate 1, and the fixed plate 1 is provided with horizontal by the first traverse rod 5, a pair of perpendicular rails 7 and second The track groups that rail 9 forms, a pair of perpendicular rails 7 and upper and lower corresponding first traverse rod 5 and the square crossing of the second cross bar 9 Connection, goes to bed 2 and extending to 2 certain distances of going to bed enables the portable plate 4 to be moved to described in first traverse rod 5 is corresponding Described to go to bed on 2, the perpendicular rail 7 is positioned at 2 right sides of going to bed;The portable plate 4 is provided with reinforcement 6 and connection end 8, described The portable plate 4 can be driven on the traverse rod 9 of the first traverse rod 5 and second and on a pair of perpendicular rails 7 by being provided with track groups Mobile Slide Group 11, the Slide Group 11 connect the connection end 8 simultaneously.

The fixed plate of the present invention is arranged on metope and fixed, and can be embedded in armored concrete to pass through The fixed plate is locked at metope by bolt lock;The fixed plate is welded or be bolted to described go to bed with described leave the bed On, described go to bed is supplied to the convenient patient of motion to use, and described leave the bed is supplied to the patient for being inconvenient to walk to use, under described Bed is apart from ground 1m or so, the described 1.5m or so that left the bed described in distance that goes to bed;The portable plate is installed by the connection end On the Slide Group, it can also can be fixed by welding by fixtures such as bolts;The Slide Group is slided so as to make The portable plate is slided on first traverse rod and the second traverse rod and can slided on a pair of perpendicular rails, and patient is needed from institute State when getting off on going to bed, be sitting on the portable plate and operate the Slide Group and drive the portable plate to be moved to first traverse rod Then operating the Slide Group again with the second traverse rod low order end drives the portable plate to slide down to institute along a pair of perpendicular rails Perpendicular rail bottom is stated so as to facilitate patient to get off from going to bed;When on patient's needs it is described go to bed when, be sitting on the portable plate, The Slide Group is operated to be moved to topmost along a pair of perpendicular rails, it is then horizontal again to be moved to the left along the first cross bar direction Gone to bed described in band patient is upper;The Slide Group can select from drive system drive walking driving wheel and with driven pulley row Walk, driving wheel is connected on the portable plate can conveniently walk onto perpendicular rail from first traverse rod;The connection end can be The thread protrusion of prominent first traverse rod, the second traverse rod and perpendicular rail, the thread protrusion are tightened in driven pulley or driving wheel On;The reinforcement provides an inclined support alleviation portable plate to the portable plate and is directly connected with the Slide Group Caused pressure after upper people.

As specific embodiment, the reinforcement 6 is " ∠ " shape reinforcement, and the side of portable plate 4 towards the metope is set There is at least one pair of described connection end 8, this pair connection ends 8 are moved on first traverse rod 5 and can be respectively in a pair of institutes State and moved on perpendicular rail 7;The both ends of " ∠ " the shape reinforcement are respectively welded on the portable plate 4, " ∠ " the shape reinforcement Corner be provided with another described connection end 8, this connection end 8 is mobile on second traverse rod 9 and can be in the institute on right side State and moved on perpendicular rail 7, described go to bed 2 is provided with the neck 10 corresponding with " ∠ " the shape reinforcement, and second traverse rod 9 is stretched Enter the neck 10, when the portable plate 4 is moved to low order end end on first traverse rod 5, " ∠ " the shape reinforcement moves Move convenient for collecting in the neck 10;Described go to bed 2 is provided with breach 17, and the portable plate 4 moves up in first traverse rod 5 The portable plate 4 convenient for collecting in the breach 17 is slipped into when dynamic.

As specific embodiment, the Slide Group 11 stretches out connection from first traverse rod 5, the second traverse rod 9 and perpendicular rail 7 The abutting end 12 of the connection end 8, the abutting end 12 and the connection end 8 can pass through welding or bolt connection.

As specific embodiment, it is contemplated that the reinforcement 6 only one, and people on the best balance portable plate 4 Supporting way afterwards is to be provided with support in the other half for not penetrating the reinforcement 6, so the portable plate 4 is provided with a pair Guide rod 14, " ∠ " the shape support member 13 corresponding with the reinforcement 6, " ∠ " the shape branch are installed on a pair of guide rods 14 Support member 13 is provided with the first magnet 15, and the reinforcement 6 is provided with the second magnet 16 to repel each other with first magnet 15, works as institute When stating portable plate 4 and being received into the breach 17 and the reinforcement 6 and be received into the neck 10, " ∠ " the shape support member 13 Be close to by 2 promotions of going to bed with the reinforcement 6, now repulsion reaches maximum, when the portable plate 4 move right to it is most right End is, first magnet 15 with second magnet 16 is mutually exclusive reaches farthest distance, now described " ∠ " shape support Part 13 aligns with the perpendicular rail 7 in left side, and limiting section is provided with the guide rod 14, and to ensure that first magnet 15 promotes described Second magnet 16 makes " ∠ " the shape support member 13 smoothly perpendicular rail 7 on the left of alignment.

As specific embodiment, the button 18 of the slip of Slide Group 11 described in installation operation on the portable plate 4.

As specific embodiment, the upper end of fixed plate 1 is provided with the push rod 19 that can be pushed against on the wall, passes through the push rod 19 An other metope is withstood in one end, and the fixed plate 1 is withstood so as to provide a horizontal support to the fixed plate 1 in one end.

As specific embodiment, described go to bed 2 and is left the bed and 3 is respectively arranged below with the first brace for connecting the fixed plate 1 20 and second brace 21.

As specific embodiment, the Slide Group 11 includes the first sliding block 22, second that can be slided in the track groups Sliding block 23, the 3rd sliding block 24, the first telescopic cylinder 25 and the second telescopic cylinder 26, the water of 22 and second sliding block of the first sliding block 23 Safety is on the portable plate 4, and the 3rd sliding block 24 is arranged on the reinforcement 6, and first sliding block 22 is provided with The first interface of the expansion link of first telescopic cylinder 25 described in clamping, the 3rd sliding block 24 are provided with the second flexible gas described in clamping The second interface of the expansion link of cylinder 26;First sliding block 22 is driven in first traverse rod by first telescopic cylinder 25 Slided on 5;The 3rd sliding block 24 is driven to be slided on the perpendicular rail 7 on right side by second telescopic cylinder 26, it is described Second sliding block 23 is driven with the portable plate 4;First sliding block 22, the second sliding block 23, the 3rd sliding block 24 are connected to the company Connect on end 8;When first telescopic cylinder 25 promotes the portable plate 4 to be moved to 5 low order end of the first traverse rod, described Two telescopic cylinders 26, which stretch out the expansion link and are connected to the second interface and limit the portable plate 4, moves horizontally and then extracts out institute State the expansion link of the first telescopic cylinder 25;When second telescopic cylinder 26 promotes the portable plate 4 to be moved to along the perpendicular rail During the top, first telescopic cylinder 25, which stretches out to be connected on the first interface, limits the portable plate vertical shift, takes out Go out the expansion link of second telescopic cylinder 26.

As specific embodiment, in order that the intelligence words of the Slide Group 11, the Slide Group 11 are furnished with control system and electricity Magnet system, the electromagnet system include be arranged on the expansion link front end of the first telescopic cylinder 25 on the first electromagnet and The first auxiliary section on the first interface and on the expansion link front end of the second telescopic cylinder 26 Two electromagnet and the second auxiliary section in the second interface, the control system, which connects the electromagnet system, makes institute Stating the first electromagnet described in when the expansion link front end of the first telescopic cylinder 25 is docked with the first interface attracts the first auxiliary section same The electromagnet of Shi Suoshu second disconnects with second auxiliary section, and the control system, which connects the electromagnet system, makes described second Second electromagnet described in when the expansion link front end of telescopic cylinder 26 is docked with the second interface attracts the second auxiliary section simultaneously described First electromagnet disconnects with first auxiliary section.

Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims (7)

  1. A kind of 1. sick bed, it is characterised in that:Including fixed plate (1), go to bed (2), leave the bed (3) and portable plate (4);It is described to go to bed (2) and leave the bed (3) correspond to up and down and in the fixed plate (1), the fixed plate (1) be provided with by the first traverse rod (5), The track groups of a pair of perpendicular rail (7) and the second traverse rod (9) compositions, a pair of perpendicular rails (7) and upper and lower corresponding first traverse rod (5) connected with the second cross bar (9) square crossing, go to bed (2) and extend on described described in the first traverse rod (5) correspondence Bed (2) certain distance make the portable plate (4) can be moved to it is described go to bed on (2), the perpendicular rail (7) is gone to bed (2) positioned at described Right side;The portable plate (4) is provided with reinforcement (6) and connection end (8), and the activity can be driven by being provided with the track groups Plate (4) Slide Group (11) simultaneously mobile on first traverse rod (5) and the second traverse rod (9) and on a pair of perpendicular rails (7), The Slide Group (11) connects the connection end (8).
  2. A kind of 2. sick bed according to claim 1, it is characterised in that:The reinforcement (6) is " ∠ " shape reinforcement, it is described on Bed (2) is provided with the neck (10) corresponding with " ∠ " the shape reinforcement, and second traverse rod (9) stretches into the neck (10)。
  3. A kind of 3. sick bed according to claim 2, it is characterised in that:The portable plate (4) is provided with a pair of guide rods (14), and one To being provided with " ∠ " the shape support member (13) corresponding with the reinforcement (6), " ∠ " the shape support on the guide rod (14) Part (13) is provided with the first magnet (15), and the reinforcement (6) is provided with the second magnet to repel each other with first magnet (15) (16)。
  4. A kind of 4. sick bed according to claim 1, it is characterised in that:Fixed plate (1) upper end is provided with and can pushed against on the wall Push rod (19).
  5. A kind of 5. sick bed according to claim 1, it is characterised in that:Described (3) company of being respectively arranged below with of going to bed (2) and leave the bed Connect the first brace (20) and the second brace (21) of the fixed plate (1).
  6. A kind of 6. sick bed according to claim 1, it is characterised in that:The Slide Group (11) includes can be in the track groups The first sliding block (22), the second sliding block (23), the 3rd sliding block (24), the first telescopic cylinder (25) and the second telescopic cylinder slided (26), first sliding block (22) and the second sliding block (23) are horizontally arranged on the portable plate (4), the 3rd sliding block (24) On the reinforcement (6), first sliding block (22) is provided with the first telescopic cylinder (25) expansion link described in clamping First interface, the 3rd sliding block (24) are provided with the second interface of the expansion link of the second telescopic cylinder (26) described in clamping.
  7. A kind of 7. sick bed according to claim 6, it is characterised in that:The Slide Group (11) is furnished with control system and electromagnet System, the electromagnet system include the first electromagnet and the peace being arranged on the first telescopic cylinder (25) expansion link front end The first auxiliary section on the first interface and on the second telescopic cylinder (26) expansion link front end Two electromagnet and the second auxiliary section in the second interface, the control system, which connects the electromagnet system, makes institute State the first electromagnet described in when the first telescopic cylinder (25) expansion link front end is docked with the first interface and attract the first auxiliary section Second electromagnet and second auxiliary section disconnect simultaneously, and the control system, which connects the electromagnet system, makes described the Second electromagnet described in when two telescopic cylinders (26) expansion link front end is docked with the second interface attracts the second auxiliary section simultaneously First electromagnet disconnects with first auxiliary section.
CN201711182537.4A 2017-11-23 2017-11-23 A kind of sick bed CN107854244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711182537.4A CN107854244A (en) 2017-11-23 2017-11-23 A kind of sick bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711182537.4A CN107854244A (en) 2017-11-23 2017-11-23 A kind of sick bed

Publications (1)

Publication Number Publication Date
CN107854244A true CN107854244A (en) 2018-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711182537.4A CN107854244A (en) 2017-11-23 2017-11-23 A kind of sick bed

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Country Link
CN (1) CN107854244A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390378A (en) * 1993-03-16 1995-02-21 Schmidt & Lenhardt Gmbh & Co. Ohg Bathtub seat arrangement for handicapped persons
CN2604924Y (en) * 2003-01-21 2004-03-03 何纯正 Tilting two-deck bed
US20090163837A1 (en) * 2007-12-03 2009-06-25 Western Carolina University Knee flexion devices and methods of using the same
CN201445620U (en) * 2009-05-26 2010-05-05 李家民;于海霞;陆英 Apparatus for shifting severe patient
CN101820844A (en) * 2007-08-13 2010-09-01 联合医疗系统公司 Table and slide assemblies for patient transfer device
CN203468901U (en) * 2013-09-08 2014-03-12 李培培 Medical nursing hospital bed
CN106580568A (en) * 2016-11-29 2017-04-26 李艳霞 Special-purpose bed car of liftable nuclear magnetic resonance machine
CN206414419U (en) * 2016-09-12 2017-08-18 环美(天津)医疗器械有限公司 A kind of smart home side broaching machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390378A (en) * 1993-03-16 1995-02-21 Schmidt & Lenhardt Gmbh & Co. Ohg Bathtub seat arrangement for handicapped persons
CN2604924Y (en) * 2003-01-21 2004-03-03 何纯正 Tilting two-deck bed
CN101820844A (en) * 2007-08-13 2010-09-01 联合医疗系统公司 Table and slide assemblies for patient transfer device
US20090163837A1 (en) * 2007-12-03 2009-06-25 Western Carolina University Knee flexion devices and methods of using the same
CN201445620U (en) * 2009-05-26 2010-05-05 李家民;于海霞;陆英 Apparatus for shifting severe patient
CN203468901U (en) * 2013-09-08 2014-03-12 李培培 Medical nursing hospital bed
CN206414419U (en) * 2016-09-12 2017-08-18 环美(天津)医疗器械有限公司 A kind of smart home side broaching machine
CN106580568A (en) * 2016-11-29 2017-04-26 李艳霞 Special-purpose bed car of liftable nuclear magnetic resonance machine

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