CN110507503A - A kind of electromyography bed - Google Patents
A kind of electromyography bed Download PDFInfo
- Publication number
- CN110507503A CN110507503A CN201910889343.0A CN201910889343A CN110507503A CN 110507503 A CN110507503 A CN 110507503A CN 201910889343 A CN201910889343 A CN 201910889343A CN 110507503 A CN110507503 A CN 110507503A
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- CN
- China
- Prior art keywords
- bedstead
- shaft
- electromyography
- hydraulic cylinder
- block
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/704—Tables
-
- 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/0018—Physician's examining tables
-
- 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/06—Adjustable operating tables; Controls therefor raising or lowering of the whole table surface
-
- 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections
-
- 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
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Psychiatry (AREA)
- Psychology (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a kind of electromyography beds, are related to electromyography bed technique field, solve and check that bed height is fixed, and some handicapped patients or the lower patient of some heights go to bed inconvenience, and once lie down, very difficult problem of standing up.A kind of electromyography bed; including bedstead; the side of the bedstead is equipped with block; the bottom surface installation of the bedstead is equipped with electric motor protecting shell below the bedstead, the both ends of the electric motor protecting shell are mounted on cross bar there are four telescopic supporting rod; the upper surface of the bedstead is provided with middle part cushion; hydraulic cylinder fixed plate is installed, the centre of the hydraulic cylinder fixed plate and bedstead is equipped with hydraulic cylinder, and the inside of the hydraulic cylinder is equipped with partition below the middle part cushion.The present invention can be convenient the lower or handicapped patient of some heights and conveniently lie on examination couch by being equipped with motor and hydraulic cylinder, and structure is simple, easy to operate.
Description
Technical field
The present invention relates to electromyography bed technique field, specially a kind of electromyography bed.
Background technique
With the rapid development of social economy, electromyogram is a kind of means for carrying out auxiliary examination to disease by myoelectricity,
Electrical activity and electrical stimulation when applied electronics instrument record muscle is static or shrinks check that nerve, muscle are excited and pass
The method for leading function can determine the function shape of peripheral nerve, neuron, neuromuscular junction and muscle itself by this inspection
State, by measuring time limit of motor unit potential, wave amplitude, whether there is or not spontaneous electrical activities and muscle to receive energetically in quiet situation
The wave mode and wave amplitude of contracting can distinguish Neurogenic lesion and Myogenic lesion, diagnose acute and chronic damage (such as spinal cord of ventricornu
Preceding poliomyelitis, motor neuron disease), nerve root and peripheral neuropathy (such as electromyography can assist to determine nerve
Position, degree, range and the prognosis of damage), electromyography bed refers to patient's recumbency when to patient's progress electromyography
Bed body.
But existing inspection bed height is fixed, some handicapped patients or the lower patient of some heights go to bed
Inconvenience, and once lie down, it stands up very difficult;Therefore, it is unsatisfactory for existing demand, we have proposed a kind of electromyograms to this
Examination couch.
Summary of the invention
The purpose of the present invention is to provide a kind of electromyography beds, mentioned above in the background art existing to solve
Checking that bed height is fixed, some handicapped patients or the lower patient of some heights go to bed inconvenience, and once lie down,
It stands up the problems such as very difficult.
To achieve the above object, the invention provides the following technical scheme: a kind of electromyography bed, including bedstead, it is described
The side of bedstead is equipped with block, and the bottom surface installation of the bedstead is equipped with there are four telescopic supporting rod below the bedstead
Electric motor protecting shell, the both ends of the electric motor protecting shell are mounted on cross bar, and it is soft that the upper surface of the bedstead is provided with middle part
Pad, is equipped with hydraulic cylinder fixed plate below the middle part cushion, and the centre of the hydraulic cylinder fixed plate and bedstead is equipped with liquid
Cylinder pressure, the inside of the hydraulic cylinder are equipped with partition, and the side of the partition is provided with inclination fuel tank, the other side of the partition
It is provided with reset fuel tank, the both ends of the hydraulic cylinder are mounted on hydraulic stem, and one end of the hydraulic stem is equipped with connecting rod, institute
The other end for stating connecting rod, which is equipped with, is fixedly connected with block, and the upper surface that block is fixedly connected with described in one of them is equipped with head bed
Plate, the upper surface that block is fixedly connected with described in another are equipped with tail portion bed board.
Preferably, support base is installed below the telescopic supporting rod, the inside of the support base is equipped with elevator,
Hoisting belts wheel is installed above the elevator.
Preferably, the inside of the electric motor protecting shell is equipped with motor, and the front end of the motor is equipped with motor gear,
One end of the motor gear is equipped with shaft bevel gear, and the inside of the shaft bevel gear is equipped with shaft, the shaft cone
Shaft belt pulley is installed above gear.
Preferably, one end of the block is bonded completely with the inside of bedstead, and the block is connect with bedstead by pivot pin.
Preferably, the cross bar is internally provided with through slot, and one end of the cross bar and one end of electric motor protecting shell be complete
Full fitting, the cross bar is with electric motor protecting shell by being welded and fixed.
Preferably, it is provided with cortex cushion above the head deck, head is installed above the cortex cushion
Bolster.
Preferably, screw thread, appearance at the one third of the telescopic supporting rod lower end are provided on the inside of the elevator
Face is provided with screw thread, and the elevator is connected through a screw thread with telescopic supporting rod.
Preferably, the motor gear engages connection with shaft bevel gear.
Preferably, the inside of the shaft belt pulley is bonded completely with the outside of shaft, the inside of the shaft bevel gear
It is bonded completely with the outside of shaft, the shaft belt pulley, shaft bevel gear and shaft are fixed by fixed pin.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is by starting hydraulic cylinder, so that the inclination fuel tank internal inside hydraulic cylinder carries out fliud flushing, liquid is filled out
It fills so that partition retreats, so that the hydraulic stem of one end drives row after the connecting rod of its end, connecting rod pulling, which is fixedly connected with block, to be made
It obtains tail portion bed board to be rotated down, the hydraulic stem of the hydraulic cylinder other end will drive connecting rod movement and be fixedly connected with block for what this end connected
It is jacked up, so that head deck rotates upwards, when head deck and tail portion bed board rotate to certain angle, is stopped to inclination
Block, is then closed by fuel tank internal filling liquid, is again started up hydraulic cylinder at this time, to fuel tank internal filling liquid is resetted, so that before partition
Into hydraulic stem can be driven by connecting rod and be fixedly connected with block indirection drive cortex cushion and tail portion bed board at this time, so that cortex is soft
State before pad and tail portion bed board restore, so that patient is in lying status, then medical staff can carry out myoelectricity to patient
Figure checks, facilitates patient's recumbency of body inconvenience, will not cause not accommodating injury to patient, and the patient side of standing up after inspection
Just;
2, the present invention makes it drive motor gear rotation by starting motor, so that motor gear drives shaft bevel gear
It is rotated with shaft bevel gear by the fixed shaft of fixed pin, shaft will drive the shaft of its outer surface fixed installation when rotating
Pulley rotation, shaft belt pulley drive the rotation of hoisting belts wheel by the belt of external installation, and hoisting belts wheel will drive liter
Drop block is rotated.Elevator rotate when can by with the screw thread of telescopic supporting rod lower end make telescopic supporting rod upwards or to
Lower movement, so that the Level Change of examination couch, facilitates the patient of different heights to carry out lying, facilitate inspection.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the present invention;
Fig. 2 is the whole structural schematic diagram of the present invention;
Fig. 3 is the partial structure sectional view of bedstead of the present invention;
Fig. 4 is the partial structure sectional view of present hydraulic cylinder;
Fig. 5 is the partial structure sectional view of electric motor protecting shell of the present invention;
Fig. 6 is the structural schematic diagram of motor of the present invention.
In figure: 1, cortex cushion;2, head bolster;3, head deck;4, bedstead;5, telescopic supporting rod;6, support base;7,
Cross bar;8, electric motor protecting shell;9, tail portion bed board;10, hydraulic cylinder fixed plate;11, block;12, middle part cushion;13, hydraulic
Bar;14, connecting rod;15, it is fixedly connected with block;16, hydraulic cylinder;17, pivot pin;18, fuel tank is resetted;19, partition;20, shaft;21,
Shaft bevel gear;22, motor;23, hoisting belts wheel;24, shaft belt pulley;25, motor gear;26, through slot;27, inclination oil
Case;28, elevator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Obtained by motor 22 (model D63R-2480-75) mentioned in the present invention can order in market or individual.
Fig. 1 to Fig. 6 is please referred to, a kind of embodiment provided by the invention: a kind of electromyography bed, including bedstead 4, bedstead
4 side is equipped with block 11, can open, patient is facilitated to lie on examination couch, and there are four flexible branch for the bottom surface installation of bedstead 4
Strut 5, the lower section of bedstead 4 are equipped with electric motor protecting shell 8, and the both ends of electric motor protecting shell 8 are mounted on cross bar 7, bedstead 4
Upper surface is provided with middle part cushion 12 and is preferably checked so that being not in discomfort when patient lies down, middle part cushion
12 lower section is equipped with hydraulic cylinder fixed plate 10, and hydraulic cylinder fixed plate 10 and the centre of bedstead 4 are equipped with hydraulic cylinder 16, hydraulic cylinder
16 inside is equipped with partition 19, and the side of partition 19 is provided with inclination fuel tank 27, and the other side of partition 19 is provided with reset oil
Case 18, the both ends of hydraulic cylinder 16 are mounted on hydraulic stem 13, and one end of hydraulic stem 13 is equipped with connecting rod 14, connecting rod 14 it is another
One end, which is equipped with, is fixedly connected with block 15, one of them upper surface for being fixedly connected with block 15 is equipped with head deck 3, another is fixed
The upper surface of link block 15 is equipped with tail portion bed board 9.
Further, the lower section of telescopic supporting rod 5 is equipped with support base 6, and the inside of support base 6 is equipped with elevator 28, rises
The top of drop block 28 is equipped with hoisting belts wheel 23, support base 6 and telescopic supporting rod 5 and provides support to entire examination couch, keeps
Stablize.
Further, the inside of electric motor protecting shell 8 is equipped with motor 22, and the front end of motor 22 is equipped with motor gear 25,
One end of motor gear 25 is equipped with shaft bevel gear 21, and the inside of shaft bevel gear 21 is equipped with shaft 20, shaft bevel gear
21 top is equipped with shaft belt pulley 24, and examination couch is allowed to carry out height adjustment, facilitates patient.
Further, one end of block 11 is bonded completely with the inside of bedstead 4, and block 11 is connect with bedstead 4 by pivot pin 17,
17 structure of pivot pin is simple, so that block 11 can be with ease rotation.
Further, cross bar 7 is internally provided with through slot 26, and one end of cross bar 7 pastes completely with one end of electric motor protecting shell 8
It closes, for cross bar 7 with electric motor protecting shell 8 by being welded and fixed, welding enhances the switching performance of cross bar 7 and electric motor protecting shell 8
And stability, there is good mechanical strength.
Further, the top of head deck 3 is provided with cortex cushion 1, and the top of cortex cushion 1 is equipped with head bolster 2,
So that being not in discomfort when patient's recumbency, preferably carried out so that checking.
Further, the inside of elevator 28 is provided with screw thread, and outer surface is arranged at the one third of 5 lower end of telescopic supporting rod
There is screw thread, elevator 28 is connected through a screw thread with telescopic supporting rod 5, and screw connection structure is simple, and facilitate examination couch to adjust height,
Patient is facilitated to go to bed.
Further, motor gear 25 engages connection with shaft bevel gear 21.
Further, the inside of shaft belt pulley 24 is bonded completely with the outside of shaft 20, the inside of shaft bevel gear 21 with
The outside of shaft 20 is bonded completely, and shaft belt pulley 24, shaft bevel gear 21 and shaft 20 are fixed by fixed pin, and fixed pin makes
Obtaining shaft belt pulley 24 and shaft bevel gear 21 can be rotated with shaft 20 is write.
Working principle: in use, connecting examination couch power supply first, start hydraulic cylinder 16, so that inclining inside hydraulic cylinder 16
Fliud flushing is carried out inside oblique fuel tank 27, the filling of liquid is so that partition 19 retreats, so that the hydraulic stem 13 of one end drives its end
Row after connecting rod 14, the pulling of connecting rod 14 are fixedly connected with block 15 and tail portion bed board 9 are rotated down, the liquid of 16 other end of hydraulic cylinder
Compression bar 13 will drive the block 15 that is fixedly connected that the movement of connecting rod 14 connects this end and jack up, so that head deck 3 revolves upwards
Turn, when head deck 3 and tail portion bed board 9 rotate to certain angle, stops to inclination 27 internal filled liquid of fuel tank, then starting is electric
Machine 22 makes it that motor gear 25 be driven to rotate, so that motor gear 25 drives shaft bevel gear 21 and leads to shaft bevel gear 21
It crosses the fixed shaft 20 of fixed pin to rotate, shaft 20 will drive 24 turns of shaft belt pulley of its outer surface fixed installation when rotating
Dynamic, shaft belt pulley 24 drives hoisting belts wheel 23 to rotate by the belt of external installation, and hoisting belts wheel 23 will drive lifting
Block 28 is rotated.Elevator 28 rotate when can by with the screw thread of 5 lower end of telescopic supporting rod make telescopic supporting rod 5 to
It above or moves downward, so that the Level Change of examination couch, then surrounds 17 Unscrew of pivot pin for block 11, at this time medical staff
Or family numbers of patients helps patient to pass through the notch that block 11 is opened, and is sitting in 12 top of middle part cushion, leg is placed after tilting
Tail portion bed board 9 on, then block 11 is closed by back against cortex cushion 1, hydraulic cylinder 16 is again started up at this time, to reset
18 internal filled liquid of fuel tank, so that partition 19 advances, hydraulic stem 13 can be driven by connecting rod 14 and be fixedly connected with block 15 indirectly at this time
Cortex cushion 1 and tail portion bed board 9 are driven, so that state before cortex cushion 1 and the recovery of tail portion bed board 9, so that patient is in flat
It lies state, then medical staff can carry out electromyography to patient, and structure is simple, easy to operate.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of electromyography bed, including bedstead (4), it is characterised in that: the side of the bedstead (4) is equipped with block
(11), there are four the bottom surface installations of the bedstead (4) telescopic supporting rod (5), electric motor protecting is installed below the bedstead (4)
The both ends of shell (8), the electric motor protecting shell (8) are mounted on cross bar (7), during the upper surface of the bedstead (4) is provided with
Portion's cushion (12) is equipped with hydraulic cylinder fixed plate (10) below the middle part cushion (12), the hydraulic cylinder fixed plate (10)
It is equipped with hydraulic cylinder (16) with the centre of bedstead (4), the inside of the hydraulic cylinder (16) is equipped with partition (19), the partition
(19) side is provided with inclination fuel tank (27), and the other side of the partition (19), which is provided with, resets fuel tank (18), described hydraulic
The both ends of cylinder (16) are mounted on hydraulic stem (13), and one end of the hydraulic stem (13) is equipped with connecting rod (14), the connection
The other end of bar (14), which is equipped with, is fixedly connected with block (15), and the upper surface that block (15) is fixedly connected with described in one of them is equipped with head
Portion's bed board (3), the upper surface that block (15) is fixedly connected with described in another are equipped with tail portion bed board (9).
2. a kind of electromyography bed according to claim 1, it is characterised in that: the lower section of the telescopic supporting rod (5)
It is equipped with support base (6), the inside of the support base (6) is equipped with elevator (28), the top installation of the elevator (28)
There are hoisting belts wheel (23).
3. a kind of electromyography bed according to claim 1, it is characterised in that: the electric motor protecting shell (8) it is interior
Portion is equipped with motor (22), and the front end of the motor (22) is equipped with motor gear (25), one end of the motor gear (25)
It is equipped with shaft bevel gear (21), the inside of the shaft bevel gear (21) is equipped with shaft (20), the shaft bevel gear
(21) shaft belt pulley (24) are installed above.
4. a kind of electromyography bed according to claim 1, it is characterised in that: one end of the block (11) and bedstead
(4) inside is bonded completely, and the block (11) is connect with bedstead (4) by pivot pin (17).
5. a kind of electromyography bed according to claim 1, it is characterised in that: cross bar (7) are internally provided with
One end of through slot (26), the cross bar (7) is bonded completely with one end of electric motor protecting shell (8), and the cross bar (7) and motor are protected
Shield shell (8) is by being welded and fixed.
6. a kind of electromyography bed according to claim 1, it is characterised in that: set above the head deck (3)
It is equipped with cortex cushion (1), head bolster (2) is installed above the cortex cushion (1).
7. a kind of electromyography bed according to claim 2, it is characterised in that: the inside of the elevator (28) is arranged
There is screw thread, outer surface is provided with screw thread at the one third of telescopic supporting rod (5) lower end, the elevator (28) and flexible
Support rod (5) is connected through a screw thread.
8. a kind of electromyography bed according to claim 3, it is characterised in that: the motor gear (25) and shaft are bored
Gear (21) engagement connection.
9. a kind of electromyography bed according to claim 3, it is characterised in that: the inside of the shaft belt pulley (24)
It is bonded completely with the outside of shaft (20), the inside of the shaft bevel gear (21) is bonded completely with the outside of shaft (20), institute
Shaft belt pulley (24), shaft bevel gear (21) is stated to fix with shaft (20) by fixed pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910889343.0A CN110507503A (en) | 2019-09-19 | 2019-09-19 | A kind of electromyography bed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910889343.0A CN110507503A (en) | 2019-09-19 | 2019-09-19 | A kind of electromyography bed |
Publications (1)
Publication Number | Publication Date |
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CN110507503A true CN110507503A (en) | 2019-11-29 |
Family
ID=68632918
Family Applications (1)
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CN201910889343.0A Pending CN110507503A (en) | 2019-09-19 | 2019-09-19 | A kind of electromyography bed |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104013508A (en) * | 2014-06-26 | 2014-09-03 | 姚丽娟 | Operating table |
CN203898637U (en) * | 2014-05-18 | 2014-10-29 | 胡龙刚 | Treatment chair bed special for cardiology department |
CN204411200U (en) * | 2015-01-22 | 2015-06-24 | 孙祖真 | A kind of examining bed for neurology department |
CN105250109A (en) * | 2015-10-27 | 2016-01-20 | 石大伟 | Diagnosis and treatment bed dedicated for department of cardiology |
US9295433B2 (en) * | 2005-02-22 | 2016-03-29 | Roger P. Jackson | Synchronized patient elevation and positioning apparatus for use with patient positioning support systems |
CN107049691A (en) * | 2017-05-11 | 2017-08-18 | 上海宥璟生物科技有限公司 | A kind of lift Medical operating platform |
CN207912686U (en) * | 2017-05-17 | 2018-09-28 | 王静 | A kind of electromyography bed |
-
2019
- 2019-09-19 CN CN201910889343.0A patent/CN110507503A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9295433B2 (en) * | 2005-02-22 | 2016-03-29 | Roger P. Jackson | Synchronized patient elevation and positioning apparatus for use with patient positioning support systems |
CN203898637U (en) * | 2014-05-18 | 2014-10-29 | 胡龙刚 | Treatment chair bed special for cardiology department |
CN104013508A (en) * | 2014-06-26 | 2014-09-03 | 姚丽娟 | Operating table |
CN204411200U (en) * | 2015-01-22 | 2015-06-24 | 孙祖真 | A kind of examining bed for neurology department |
CN105250109A (en) * | 2015-10-27 | 2016-01-20 | 石大伟 | Diagnosis and treatment bed dedicated for department of cardiology |
CN107049691A (en) * | 2017-05-11 | 2017-08-18 | 上海宥璟生物科技有限公司 | A kind of lift Medical operating platform |
CN207912686U (en) * | 2017-05-17 | 2018-09-28 | 王静 | A kind of electromyography bed |
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Application publication date: 20191129 |
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