CN109620559A - With the stretcher for crossing bed function and its cross bed process - Google Patents
With the stretcher for crossing bed function and its cross bed process Download PDFInfo
- Publication number
- CN109620559A CN109620559A CN201811542677.2A CN201811542677A CN109620559A CN 109620559 A CN109620559 A CN 109620559A CN 201811542677 A CN201811542677 A CN 201811542677A CN 109620559 A CN109620559 A CN 109620559A
- Authority
- CN
- China
- Prior art keywords
- bed
- folding
- connecting rod
- stretcher
- planetary gear
- 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
- A61G1/02—Stretchers with wheels
-
- 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
- A61G1/013—Stretchers foldable or collapsible
-
- 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
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1414—Hanging-up devices
- A61M5/1415—Stands, brackets or the like for supporting infusion accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1414—Hanging-up devices
- A61M5/1417—Holders or handles for hanging up infusion containers
Abstract
The invention discloses the stretcher with bed function and its cross bed process.When seriously ill patient performs the operation, the process for crossing bed is very complicated.The present invention includes bed frame, folding tripod mechanism, mobile bed board, bed board position-limit mechanism and bed board transfer device.Folding tripod mechanism includes connecting rod, cabinet base column, folding connecting rod and folding electric push rod.Bed board transfer device includes lifting pin, roller, cam, first bed motor and lifting pin excessively.Bed board position-limit mechanism includes limit electric pushrod, limit connecting rod, position limiting slide block and flipping baffle.Two lifting pins are separately positioned on the both ends of a frame.Two cam difference eccentric supports are in one end of two blocks of width plates.Two cams are crossed bed motor by two first and are respectively driven.One end of two lifting pins and two blocks of width plates of bed frame respectively constitute revolute pair, and the other end is against respectively on two cams.The present invention can be realized quick nondestructive transfer of the patient from moving stretcher to hospital bed, and then improve medical efficiency.
Description
Technical field
The invention belongs to medical treatment to replicate equipment technology field, and in particular to a kind of with the stretcher and its mistake of crossing bed function
Bed process.
Background technique
All in traditional stretcher using labor intensive, these stretchers at least need two when in use for major part hospital at present
The assistance of people, and have a single function, especially when hospital's manpower is in short supply, being likely to result in patient cannot be controlled in time
It treats.In addition to this, when seriously ill patient performs the operation, the limit of stretcher is also cumbersome.
With medicine development and medical supply it is perfect, modern medicine is increasingly mature.Present many physicians and
Scholar, which is devoted to research, allows patient to see a doctor more convenient comfortable device and method.Therefore, a full automatic more function are designed
Energy stretcher is particularly significant.
Summary of the invention
The purpose of the present invention is to provide a kind of with the stretcher for crossing bed function and its crosses bed process.
It includes bed frame, folding tripod mechanism, mobile bed board, bed board position-limit mechanism that the present invention, which had the stretcher of bed function,
With bed board transfer device.The bed frame includes surrounding rectangular position length plate, outlet length boards and two blocks of width plates.Institute
The both ends for stating position length plate and one end of two blocks of width plates are fixed respectively.The both ends of the outlet length boards and two blocks of width plates
The other end fix respectively.The upper edge for exporting length boards is lower than the upper edge of position length plate.The position length of the bed frame
Horizontally disposed folding sliding slot is offered on plate, outlet length boards.Sliding block is folded there are two being respectively provided in two folding sliding slots.
The folding sliding block constitutes sliding pair with corresponding folding sliding slot.Four folding sliding blocks are driven respectively by four folding electric push rods
It is dynamic.
The folding tripod mechanism includes connecting rod, cabinet base column, folding connecting rod and folding electric push rod.Four cabinet base columns
Four angles on top and bedstead bottom be respectively articulated with, bottom end is supported with travel wheel.One end of four folding connecting rods with four
It is respectively articulated in the middle part of cabinet base column, the other end and four folding sliding blocks respectively constitute revolute pair.
The bed board transfer device includes roller, cam, first bed motor and lifting pin excessively.Two lifting pins are set respectively
It sets at the both ends of bed frame.Two cam difference eccentric supports are in the one end of two blocks of width plates far from outlet length boards.Two cams
Bed motor is crossed by two first to respectively drive.Two lifting pins are close to that end of outlet length boards and two blocks of width plates point of bed frame
It Gou Cheng not revolute pair.Two lifting pins are against on two cams respectively far from that end of outlet length boards.Distinguish at the both ends of roller
It is supported on two lifting pins.Roller shares n, 3≤n≤10.N roller is successively equidistantly arranged along the length direction of lifting pin
Column setting.Mobile bed board is placed on n roller.The bottom surface of mobile bed board is lower than the upper edge of position length plate, and is higher than
The upper edge of mouth length.
The bed board position-limit mechanism includes limit electric pushrod, limit connecting rod, position limiting slide block and flipping baffle.It is described to turn over
The upper edge of the bottom and outlet length boards that turn baffle constitutes revolute pair.Limit sliding chutes are offered on two blocks of width plates.Two
Position limiting slide block and two limit sliding chutes respectively constitute sliding pair.Two position limiting slide blocks are respectively driven by two limit electric pushrods.
One end of two limit connecting rods respectively constitutes revolute pair with flipping baffle both ends, and the other end and two position limiting slide blocks, which respectively constitute, to be turned
Dynamic pair.
Further, the bed board transfer device further includes that gear, planetary gear, planetary gear connecting rod and the second bed excessively are electric
Machine.The axis of that roller farthest apart from cam is overlapped with the articulated shaft axis of lifting pin, width plate.The gear is shared
Two.One of gear support crosses bed motor driven on bed frame, and by second.Another gear with it is farthest apart from cam
One end of that roller is fixed.Two gear engagements.One end of four planetary gears and four rollers is fixed.On four planetary gears
It is fixed with linkage articulated shaft.The axis of linkage articulated shaft is parallel with the axis of corresponding roller and is not overlapped.Planetary gear connecting rod is total
There are three.Linkage articulated shaft on the both ends of first planetary gear connecting rod and first planetary gear, second planetary gear distinguishes structure
At revolute pair.Linkage articulated shaft on the both ends of second planetary gear connecting rod and second planetary gear, third planetary gear is distinguished
Constitute revolute pair.Linkage articulated shaft point on the both ends of third root planetary gear connecting rod and third planetary gear, the 4th planetary gear
It Gou Cheng not revolute pair.
Further, the invention also includes transfusion suspenders；The inner end of the transfusion suspender and one end of position length plate are cut with scissors
It connects；Limit card block is provided on position length plate；Limit card block and position length plate constitute sliding pair, and are located at transfusion suspender
At inner end.
Further, the folding tripod mechanism further includes connecting rod.The connecting rod shares two.Wherein one
It is fixed respectively in the middle part of the both ends of connecting rod and two cabinet base columns for being located at bedstead one end.The both ends of another connecting rod be located at bed
It is fixed respectively in the middle part of two cabinet base columns of the frame other end.
Further, the shell of two limit electric pushrods is fixed with bed frame, and push-off pin and two position limiting slide blocks are distinguished
It is fixed.
Further, the shell of four folding electric push rods is fixed with bedstead, and push-off pin and four folding sliding blocks are solid respectively
It is fixed.
Further, the coaxial travel wheel of two of them is respectively driven by two traveling motors.
It is further, fixed on one of width plate that there are two ultrasonic sensors.
Further, the upper edge of the position length plate and two blocks of width plates is concordantly arranged.
Further, two first bed motors excessively are each attached on a frame, and output shaft and two cams pass through connection respectively
Axis device is fixed.
This had the bed process excessively of the stretcher of bed function specific as follows:
Step 1: bed frame to be moved to the side for being transferred hospital bed by folding tripod mechanism.
Step 2: limit electric pushrod rotation, so that flipping baffle is overturn to horizontality.
Step 3: two first are crossed bed motor and rotated synchronously, so that two cams jack up two lifting pins respectively, and then make
Mobile bed board is inclined.
Step 4: second crosses the rotation of bed motor, driving n root roller is rotated synchronously, so that mobile bed board is moved to and is transferred
On hospital bed.
The invention has the advantages that:
1, the present invention can be realized quick nondestructive transfer of the patient from moving stretcher to hospital bed, and then improve medical treatment effect
Rate.
2, the present invention can fold, and then reduce the required space of storage.
3, the present invention can carry out or advance automatically, alleviate the burden of healthcare givers.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is bottom view of the invention；
Fig. 3 is left view of the invention；
Fig. 4 is cross-sectional view of the Fig. 3 along hatching A-A.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As shown in Fig. 1,2,3 and 4, there is the stretcher of bed function, including bed frame 3, ultrasonic sensor 15, folding feet
Frame mechanism, mobile bed board 2, bed board position-limit mechanism, bed board transfer device and transfusion suspender 17.Bed frame 3 is rectangular including surrounding
Position length plate, outlet length boards and two blocks of width plates.The both ends of position length plate and one end of two blocks of width plates are fixed respectively.
The other end at the both ends and two blocks of width plates that export length boards is fixed respectively.The upper edge of position length plate and two blocks of width plates is flat
Neat setting.The upper edge for exporting length boards is lower than the upper edge of position length plate.The position length plate of bed frame 3, outlet length boards
On offer horizontally disposed folding sliding slot 6.Sliding block is folded there are two being respectively provided in two folding sliding slots 6.Fold sliding block with
Corresponding folding sliding slot 6 constitutes sliding pair.The inner end of transfusion suspender 17 and one end of position length plate are hinged.On position length plate
It is provided with limit card block.Limit card block and position length plate constitute the sliding pair slided along width plate axis direction.Limit card block
At the inner end of transfusion suspender 17.The overturning of transfusion suspender 17 under vertical state, sliding limit card block to transfusion suspender 17
The state of contact, to guarantee the stability of transfusion suspender 17.When patient needs to be infused, transfusion suspender 17 is overturn to vertical
State and fixation, medical staff can quickly carry out transfusion operation.
Folding tripod mechanism includes connecting rod 8, cabinet base column 5, folding connecting rod 7 and folding electric push rod.Four cabinet base columns 5
Four angles on top and bedstead bottom are respectively articulated with, and bottom end is supported with travel wheel 9.One end of four folding connecting rods 7 with four
The middle part of cabinet base column 5 is respectively articulated with, and the other end and four folding sliding blocks respectively constitute revolute pair.Four folding electric push rods it is outer
Shell is fixed with bedstead, and push-off pin is fixed respectively with four folding sliding blocks.Connecting rod 8 shares two.Wherein the two of a connecting rod 8
It holds and is fixed respectively with two cabinet base columns, 5 middle part for being located at bedstead one end.The both ends of another connecting rod 8 be located at the bedstead other end
The middle part of two cabinet base columns 5 fix respectively.The coaxial travel wheel 9 of two of them is respectively driven by two traveling motors.Wherein
It is fixed on one block of width plate that there are two ultrasonic sensors 15.Ultrasonic sensor 15 is used to detect front pedestrian and barrier,
Guarantee the safety of patient on bed.In the case where the present invention needs to store, two folding electric pushrod movements, so that four
The overturning of cabinet base column 5 is to horizontality, to reduce space needed for storage.
Bed board transfer device include lifting pin 10, cam 11, gear 12, planetary gear 13, roller 14, planetary gear connecting rod 16,
First, which crosses bed motor 18 and second, crosses bed motor.Two lifting pins 10 are separately positioned on the both ends of a frame 3.Two cams 11 are distinguished
Eccentric support is in the one end of two blocks of width plates far from outlet length boards.Bed motor 18 is crossed for two first to be each attached on a frame 3, and
It is fixed that output shaft and two cams pass through shaft coupling 19 respectively.That end and bed frame 3 of two lifting pins 10 close to outlet length boards
Two blocks of width plates be respectively articulated with.Two lifting pins 10 are against the top of two cams 11 far from that end of outlet length boards respectively
Portion.The both ends of roller 14 are supported on respectively on two lifting pins 10.Roller 14 shares four.Length of four rollers 14 along lifting pin
Degree direction is successively equidistantly arranged.The axis of that roller farthest apart from cam 11 and the hinge of lifting pin 10, width plate
Spindle axis is overlapped.There are two gear 12 is total.One of gear 12 is supported on a frame 3, and crosses bed motor driven by second.
One end of another gear and that roller farthest apart from cam 11 is fixed.Two gears 12 engage.Four planetary gears 13 with
One end of four rollers 14 is fixed.Linkage articulated shaft is respectively and fixedly provided on four planetary gears 13.Link articulated shaft axis with it is corresponding
Roller 14 axis it is parallel and be not overlapped.Planetary gear connecting rod 16 shares three.The both ends of first planetary gear connecting rod 16 and the
Linkage articulated shaft on one planetary gear, 13, second planetary gears 13 respectively constitutes revolute pair.Second planetary gear connecting rod 16
Linkage articulated shaft on both ends and second planetary gear 13, third planetary gear 13 respectively constitutes revolute pair.Third root planetary gear
Linkage articulated shaft on the both ends of connecting rod 16 and third planetary gear 13, the 4th planetary gear 13 respectively constitutes revolute pair.It is mobile
Bed board 2 is placed on four rollers 14.By the rotation of cam 11, one that lifting pin 10 is flipped up in 10 ° is enabled to
Angle, only second crosses the rotation of bed motor, so that mobile bed board 2 skids off under the drive of roller.The bottom surface of mobile bed board 2 is lower than
The upper edge of position length plate, and it is higher than the upper edge of outlet length.
Bed board position-limit mechanism includes limit electric pushrod, limit connecting rod 4, position limiting slide block and flipping baffle 1.Flipping baffle 1
Bottom and outlet length boards upper edge constitute revolute pair.It is opened up on one end of outlet length boards on two blocks of width plates
There are horizontally disposed limit sliding chutes.Two position limiting slide blocks and two limit sliding chutes respectively constitute sliding pair.Two limits are electronic to be pushed away
The shell of bar is fixed with bed frame, and push-off pin is fixed respectively with two position limiting slide blocks.One end of two limit connecting rods 4 is kept off with overturning
The horizontally disposed revolute pair of common axis is respectively constituted at the top of 1 both ends of plate, the other end and two position limiting slide blocks, which respectively constitute, to be turned
Dynamic pair.
This had the bed process excessively of the stretcher of bed function specific as follows:
Step 1: being carried out bed frame by folding tripod mechanism to the side for being transferred hospital bed.
Step 2: limit electric pushrod rotation, so that flipping baffle 1 is overturn to horizontality.
Step 3: two first are crossed bed motor 18 and rotated synchronously, so that two cams jack up two lifting pins respectively, in turn
Keep mobile bed board 2 inclined.
Step 4: second crosses the rotation of bed motor, four rollers is driven to rotate synchronously, so that mobile bed board 2 is moved to and is turned
It moves on hospital bed.At this point, patient completes transfer with mobile bed board 2.
Claims (10)
1. there is the stretcher of bed function, including bed frame, folding tripod mechanism, mobile bed board, bed board position-limit mechanism and bed board
Transfer device；It is characterized by: the bed frame includes surrounding rectangular position length plate, outlet length boards and two pieces of width
Plate；The both ends of the position length plate are fixed respectively with one end of two blocks of width plates；It is described outlet length boards both ends with two pieces
The other end of width plate is fixed respectively；The upper edge for exporting length boards is lower than the upper edge of position length plate；The bed frame is determined
Horizontally disposed folding sliding slot is offered on bit length plate, outlet length boards；Folding there are two being respectively provided in two folding sliding slots
Folded sliding block；The folding sliding block constitutes sliding pair with corresponding folding sliding slot；Four folding sliding blocks are pushed away by four folding electrics
Bar respectively drives；
The folding tripod mechanism includes connecting rod, cabinet base column, folding connecting rod and folding electric push rod；The top of four cabinet base columns
It holds and is respectively articulated with four angles of bedstead bottom, bottom end is supported with travel wheel；One end of four folding connecting rods and four cabinet bases
It is respectively articulated in the middle part of column, the other end and four folding sliding blocks respectively constitute revolute pair；
The bed board transfer device includes lifting pin, roller, cam, first bed motor and lifting pin excessively；Two lifting pins point
The both ends of bed frame are not set；Two cam difference eccentric supports are in one end of two blocks of width plates；Two cams are by two first
Bed motor is crossed to respectively drive；One end of two lifting pins and two blocks of width plates of bed frame respectively constitute revolute pair, other end difference
It is against on two cams；The both ends of roller are supported on respectively on two lifting pins；Roller shares n, 3≤n≤10；N roller
Length direction along lifting pin is successively equidistantly arranged；Mobile bed board is placed on n roller；The bottom surface of mobile bed board is low
In the upper edge of position length plate, and it is higher than the upper edge of outlet length；
The bed board position-limit mechanism includes limit electric pushrod, limit connecting rod, position limiting slide block and flipping baffle；The overturning gear
The bottom of plate and the upper edge of outlet length boards constitute revolute pair；Limit sliding chutes are offered on two blocks of width plates；Two limits
Sliding block and two limit sliding chutes respectively constitute sliding pair；Two position limiting slide blocks are respectively driven by two limit electric pushrods；Two
The one end and flipping baffle both ends for limiting connecting rod respectively constitute revolute pair, and the other end and two position limiting slide blocks respectively constitute rotation
It is secondary.
2. the stretcher with bed function according to claim 1, it is characterised in that: the bed board transfer device is also
Bed motor is crossed including gear, planetary gear, planetary gear connecting rod and second；The axis of that roller farthest apart from cam and jacking
The articulated shaft axis coincidence of bar, width plate；There are two the gear is total；One of gear support is on bed frame, and by
Two cross bed motor driven；One end of another gear and that roller farthest apart from cam is fixed；Two gear engagements；Four
One end of planetary gear and four rollers is fixed；Linkage articulated shaft is respectively and fixedly provided on four planetary gears；Link articulated shaft axis with
The axis of corresponding roller is parallel and is not overlapped；Planetary gear connecting rod shares three；The both ends of first planetary gear connecting rod and first
Linkage articulated shaft on a planetary gear, second planetary gear respectively constitutes revolute pair；The both ends of second planetary gear connecting rod and the
Linkage articulated shaft on two planetary gears, third planetary gear respectively constitutes revolute pair；The both ends of third root planetary gear connecting rod with
Linkage articulated shaft on third planetary gear, the 4th planetary gear respectively constitutes revolute pair.
3. the stretcher with bed function according to claim 1, it is characterised in that: further include transfusion suspender；It is described
The inner end of transfusion suspender and one end of position length plate are hinged；Limit card block is provided on position length plate；Limit card block and fixed
Bit length plate constitutes sliding pair, and is located at the inner end of transfusion suspender.
4. the stretcher with bed function according to claim 1, it is characterised in that: the folding tripod mechanism is also
Including connecting rod；The connecting rod shares two；The wherein both ends of a connecting rod and two cabinet bases for being located at bedstead one end
It is fixed respectively in the middle part of column；It is fixed respectively in the middle part of the both ends of another connecting rod and two cabinet base columns for being located at the bedstead other end.
5. the stretcher with bed function according to claim 1, it is characterised in that: two limit the outer of electric pushrod
Shell is fixed with bed frame, and push-off pin is fixed respectively with two position limiting slide blocks；The shell of four folding electric push rods is fixed with bedstead,
Push-off pin is fixed respectively with four folding sliding blocks.
6. the stretcher with bed function according to claim 1, it is characterised in that: the coaxial travel wheel of two of them
It is respectively driven by two traveling motors.
7. the stretcher with bed function according to claim 1, it is characterised in that: fixed on one of width plate
There are two ultrasonic sensors.
8. the stretcher with bed function according to claim 1, it is characterised in that: the position length plate and two pieces
The upper edge of width plate is concordantly arranged.
9. the stretcher with bed function according to claim 1, it is characterised in that: two first bed motors excessively are solid
It is scheduled on a frame, and output shaft is fixed by shaft coupling respectively with two cams.
10. had the stretcher of bed function as claimed in claim 2 crosses bed process, it is characterised in that:
Step 1: bed frame to be moved to the side for being transferred hospital bed by folding tripod mechanism；
Step 2: limit electric pushrod rotation, so that flipping baffle is overturn to horizontality；
Step 3: two first are crossed bed motor and rotated synchronously, so that two cams jack up two lifting pins respectively, and then make to move
Bed board is inclined；
Step 4: second crosses the rotation of bed motor, driving n root roller is rotated synchronously, so that mobile bed board is moved to and is transferred hospital bed
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542677.2A CN109620559A (en) | 2018-12-17 | 2018-12-17 | With the stretcher for crossing bed function and its cross bed process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542677.2A CN109620559A (en) | 2018-12-17 | 2018-12-17 | With the stretcher for crossing bed function and its cross bed process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109620559A true CN109620559A (en) | 2019-04-16 |
Family
ID=66074720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542677.2A Pending CN109620559A (en) | 2018-12-17 | 2018-12-17 | With the stretcher for crossing bed function and its cross bed process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109620559A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115804693A (en) * | 2023-02-01 | 2023-03-17 | 潍坊医学院附属医院 | Transfer device for clinical obstetrical department |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115804693A (en) * | 2023-02-01 | 2023-03-17 | 潍坊医学院附属医院 | Transfer device for clinical obstetrical department |
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