CN111887893A - Special bracket for gastrointestinal ultrasonic radiography - Google Patents
Special bracket for gastrointestinal ultrasonic radiography Download PDFInfo
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- CN111887893A CN111887893A CN202010817073.5A CN202010817073A CN111887893A CN 111887893 A CN111887893 A CN 111887893A CN 202010817073 A CN202010817073 A CN 202010817073A CN 111887893 A CN111887893 A CN 111887893A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/40—Positioning of patients, e.g. means for holding or immobilising parts of the patient's body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a special bracket for gastrointestinal ultrasonic radiography, relates to a bracket and mainly aims to solve the problem that the stability of the existing bracket for adjusting the supporting angle through an air bag is poor; the medical chair comprises a bottom plate, a mounting plate, a backrest and a seat plate, wherein one end of the mounting plate is hinged to one side of the upper surface of the bottom plate, a first adjusting assembly used for adjusting the angle of the mounting plate is connected between the bottom plate and the mounting plate, the first adjusting assembly comprises a first motor, a lead screw, an internal thread sleeve and a connecting rod, a second adjusting assembly is connected between the backrest and the mounting plate, the second adjusting assembly comprises a lifting mechanism and a rotating mechanism, the lifting mechanism comprises a second motor, a worm wheel, a gear and a lifting plate, the rotating mechanism comprises a third motor, the first adjusting assembly is arranged, the inclination angle of the mounting plate is adjusted, the mounting plate is conveniently supported, and the labor intensity of medical workers is reduced; be equipped with second adjusting part, conveniently adjust patient's stomach intestines position, fully carry out the hyperradiography.
Description
Technical Field
The invention relates to a bracket, in particular to a special bracket for gastrointestinal ultrasonic radiography.
Background
In the ultrasonic room of the present hospital, when making gastrointestinal radiography for a patient, a person who benefits from sitting and standing on an examination bed is required to drink a part of gastrointestinal contrast agent first, then a part of the gastrointestinal contrast agent is contained in the mouth, then a nursing staff supports the back of the patient to enable the patient to slowly lie down backwards to be in a half lying position, then the gastrointestinal contrast agent in the mouth is slowly swallowed, and finally the person who benefits is supported by the nursing staff to continue to lie backwards to be in a flat lying position for performing gastrointestinal radiography. The disadvantages are that: because no special auxiliary tool exists at present, nursing staff beside the nursing staff are required to help the patients to take various examination postures, the labor intensity of the nursing staff is increased, and the patients feel uncomfortable.
Chinese utility model patent CN201529129U discloses a special support of intestines and stomach radiography under supersound, comprises fixed plate, fixation clamp and fastening bolt, and the fixation clamp is fixed to the bottom of fixed plate, is equipped with fastening bolt in the through-hole of fixation clamp, its characterized in that chih: the backup pad is gone up through the round pin axle fastening at the front end of fixed plate, fixes fan-shaped folding gasbag between fixed plate and backup pad, and fan-shaped folding gasbag is linked together through breather pipe and gas cell, but folding gasbag carries out the flexible support, takes place to rock easily, is unfavorable for the stability.
Disclosure of Invention
The invention aims to provide a special bracket for gastrointestinal ultrasonic radiography, which solves the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a special bracket for gastrointestinal ultrasonic radiography comprises a bottom plate, a mounting plate, a backrest and a seat plate, wherein one end of the mounting plate is hinged and mounted on one side of the upper surface of the bottom plate, a balancing weight is fixedly mounted on the other side of the upper surface of the bottom plate, a first adjusting component for adjusting the angle of the mounting plate is connected between the bottom plate and the mounting plate, the first adjusting component comprises a first motor, a screw rod, an internal thread sleeve and a connecting rod, the screw rod is rotatably arranged on the upper surface of the bottom plate, the first motor is fixedly arranged on the bottom plate and is connected with one end of the screw rod in a driving way, an output shaft of the first motor is fixedly connected with the screw rod preferably through a coupler, the internal thread sleeve is sleeved on the screw rod in a threaded way, the bottom of the internal thread sleeve is connected with the bottom plate in a sliding way, the top of the internal thread sleeve is hinged with a connecting rod, the other end of the connecting rod is hinged with one side wall of the mounting plate, a backrest is mounted on the other side wall of the mounting plate, and a seat plate is mounted on the lower portion of the side wall, far away from the mounting plate, of the backrest.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the bottom of the internal thread sleeve is fixedly provided with a first sliding block, and the bottom plate is provided with a first sliding chute for the sliding connection of the first sliding block.
In one alternative: one end of the seat plate is hinged to the backrest, an electric push rod is connected between the bottom of the seat plate and the backrest, and two ends of the electric push rod are hinged to the seat plate and the backrest respectively.
In one alternative: the front and the back of the upper surface of the seat plate are symmetrically and fixedly provided with armrests.
In one alternative: the pillow is installed at the lateral wall top that the seat board was installed to the back, pillow and back sliding connection, the vertical rotation is installed the threaded rod on the back lateral wall, and the threaded rod extends to in the pillow and threaded connection with it, and the threaded rod top is fixed with the rocking handle.
In one alternative: a second adjusting component is connected between the backrest and the mounting plate and comprises a lifting mechanism and a rotating mechanism, the lifting mechanism comprises a second motor, a worm wheel, a gear and a lifting plate, the lifting plate is slidably arranged on the mounting plate, the rotating mechanism is arranged on the lifting plate, the worm is rotationally arranged on the mounting plate, the second motor is connected with the worm in a driving way, a worm wheel matched with the worm is rotationally arranged on the mounting plate and positioned on the side edge of the worm, a gear is fixedly arranged on the mounting shaft of the worm, a rack meshed with the gear is fixedly arranged on the side wall of the lifting plate, the rotating mechanism comprises a third motor, the third motor is fixedly arranged on the lifting plate, an output shaft of the third motor is fixedly connected with the backrest, supporting rods are fixed at two ends of the lifting plate, and annular grooves for the supporting rods to be inserted are formed in the backrest.
In one alternative: the bottom plate bottom is fixed with removes the seat, remove the interior symmetry of seat and install two fourth motors, the eccentric installation roller that installs on the output shaft of fourth motor, install the gyro wheel on the lateral wall that the output shaft was kept away from to the installation roller.
Compared with the prior art, the invention has the following beneficial effects:
1. the medical nursing bed is provided with a first adjusting assembly, wherein the first adjusting assembly comprises a first motor, a screw rod, an internal thread sleeve and a connecting rod, the first motor is started, the first motor drives the screw rod to rotate, the screw rod drives the internal thread sleeve to move, the internal thread sleeve drives the mounting plate to move through the connecting rod, the inclination angle of the mounting plate is adjusted, the mounting plate is conveniently supported, and the labor intensity of medical workers is reduced;
2. be equipped with second adjusting part, second adjusting part includes elevating system and slewing mechanism, elevating system includes second motor, worm wheel, gear and lifter plate, slewing mechanism includes the third motor, starts the second motor, and the second motor drives the worm and rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives gear revolve, and the gear passes through the rack and drives the lifter plate and go up and down, and further because worm and worm wheel have auto-lock nature to can guarantee the high stability of lifter plate, drive the back through the third motor and rotate certain angle, the back drives patient and rotates the removal angle, thereby conveniently adjusts patient's stomach and intestine position, fully carries out the hyperradiography.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view showing the installation of the seat plate and the armrest according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Notations for reference numerals: 1-bottom plate, 2-first motor, 3-balancing weight, 4-screw rod, 5-internal thread sleeve, 6-connecting rod, 7-mounting plate, 8-worm, 9-second motor, 10-lifting plate, 11-sliding rod, 12-backrest, 13-threaded rod, 14-pillow, 15-supporting rod, 16-third motor, 17-worm wheel, 18-gear, 19-armrest, 20-seat plate, 21-electric push rod, 22-moving seat, 23-mounting roller, 24-roller and 25-fourth motor.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1-2, in an embodiment of the present invention, a special bracket for gastrointestinal ultrasound angiography includes a bottom plate 1, a mounting plate 7, a backrest 12 and a seat plate 20, one end of the mounting plate 7 is hinged to one side of the upper surface of the bottom plate 1, the other side of the upper surface of the bottom plate 1 is fixedly mounted with a counterweight block 3, a first adjusting assembly for adjusting the angle of the mounting plate 7 is connected between the bottom plate 1 and the mounting plate 7, the first adjusting assembly includes a first motor 2, a screw rod 4, an internal thread sleeve 5 and a connecting rod 6, the screw rod 4 is rotatably mounted on the upper surface of the bottom plate 1, the first motor 2 is fixedly mounted on the bottom plate 1, the first motor 2 is connected to one end of the screw rod 4 in a driving manner, an output shaft of the first motor 2 is preferably fixedly connected to the screw rod 4 through a coupler, the screw thread sleeve 5 is, the bottom of the internal thread sleeve 5 is fixed with a first sliding block, a first sliding groove for the sliding connection of the first sliding block is formed in the bottom plate 1, the top of the internal thread sleeve 5 is hinged with a connecting rod 6, the other end of the connecting rod 6 is hinged with one side wall of the mounting plate 7, the first motor 2 is started, the first motor 2 drives the lead screw 4 to rotate, the lead screw 4 drives the internal thread sleeve 5 to move, the internal thread sleeve 5 drives the mounting plate 7 to move through the connecting rod 6, the inclination angle of the mounting plate 7 is adjusted, the mounting plate 7 is conveniently supported, the other side wall of the mounting plate 7 is provided with a backrest 12, the lower part of the side wall of the backrest 12, which is far away from the mounting plate 7, is provided with a seat plate 20, in the embodiment, one end of the seat plate 20 is hinged with the backrest 12, an electric push rod 21 is connected between the bottom of the seat plate 20 and the backrest 12, the armrests 19 are symmetrically and fixedly installed on the front and back of the upper surface of the seat plate 20, in this embodiment, the armrests 19 are preferably connected with the seat plate 20 through screws, a sponge mat is placed on the upper surface of the seat plate 20, the pillow 14 is installed at the top of the side wall of the backrest 12, where the seat plate 20 is installed, the pillow 14 is slidably connected with the backrest 12, in this embodiment, a second sliding block is fixed on the side wall of the pillow 14, a second sliding groove for slidably connecting the second sliding block is formed in the backrest 12, a threaded rod 13 is vertically and rotatably installed on the side wall of the backrest 12, the threaded rod 13 extends into the pillow 14 and is in threaded connection with the pillow 14, a rocking handle is fixed at the top of the threaded rod 13, the threaded rod 13 is rotated through the rocking handle, the threaded rod 13 drives the pillow 14;
further, a second adjusting component is connected between the backrest 12 and the mounting plate 7, the second adjusting component comprises a lifting mechanism and a rotating mechanism, the lifting mechanism comprises a second motor 9, a worm 8, a worm wheel 17, a gear 18 and a lifting plate 10, the lifting plate 10 is slidably mounted on the mounting plate 7, the rotating mechanism is mounted on the lifting plate 10, in this embodiment, sliding rods 11 are fixed at the upper end and the lower end of the lifting plate 10, a third sliding chute for the sliding rods 11 to be slidably connected is formed in the side wall of the mounting plate 7, the worm 8 is rotatably mounted on the mounting plate 7, the second motor 9 is in driving connection with the worm 8, the output shaft of the second motor 9 is preferably fixedly connected with the worm 8 through a coupler, the worm wheel 17 matched with the worm 8 is rotatably mounted on the side edge of the worm 7, the gear 18 is fixedly mounted on the mounting shaft of the worm 8, a rack meshed with the gear 18 is fixedly mounted on the side wall of the, the second motor 9 is started, the second motor 9 drives the worm 8 to rotate, the worm 8 drives the worm wheel 17 to rotate, the worm wheel 17 drives the gear 18 to rotate, the gear 18 drives the lifting plate 10 to lift through the rack, further, the worm 8 and the worm wheel 17 have self-locking performance, so that the high stability of the lifting plate 10 can be ensured, the rotating mechanism comprises a third motor 16, the third motor 16 is fixedly installed on the lifting plate 10, the output shaft of the third motor 16 is fixedly connected with the backrest 12, the two ends of the lifting plate 10 are both fixedly provided with supporting rods 15, the backrest 12 is provided with an annular groove for the insertion of the supporting rods 15, the stability is further improved, the backrest 12 is driven to rotate by a certain angle through the third motor 16, the backrest 12 drives the patient to rotate and move by an angle, so that the gastrointestinal position of the patient can be conveniently adjusted, the angiography can be fully performed, the buttons for controlling each electric, the medical staff can adjust conveniently.
Example 2
Referring to fig. 3, the embodiment of the present invention is different from embodiment 1 in that, in order to facilitate movement of the apparatus, a moving seat 22 is fixed at the bottom of the bottom plate 1, two fourth motors 25 are symmetrically installed in the moving seat 22, an output shaft of the fourth motor 25 is eccentrically provided with a mounting roller 23, a side wall of the mounting roller 23 away from the output shaft is provided with a roller 24, as shown in fig. 3, the fourth motor 25 is started, the fourth motor 25 drives the mounting roller 23 to rotate, and the mounting roller 23 drives the roller 24 to contact with the ground for supporting, so as to facilitate movement of the apparatus.
The working principle of the invention is as follows: the first motor 2 is started, the first motor 2 drives the screw rod 4 to rotate, the screw rod 4 drives the internal thread sleeve 5 to move, the internal thread sleeve 5 drives the mounting plate 7 to move through the connecting rod 6, the inclination angle of the mounting plate 7 is adjusted, the mounting plate 7 is conveniently supported, the angle of the seat plate 20 can be adjusted by extending or shortening the electric push rod 21, the threaded rod 13 is rotated through the rocking handle, the threaded rod 13 drives the pillow 14 to move up and down, the height of the pillow 14 is adjusted to adapt to different use requirements, the second motor 9 is started, the second motor 9 drives the worm 8 to rotate, the worm 8 drives the worm wheel 17 to rotate, the worm wheel 17 drives the gear 18 to rotate, the gear 18 drives the lifting plate 10 to lift through the rack, further, the worm 8 and the worm wheel 17 have self-locking performance, so that the height stability of the lifting plate 10 can be, the backrest 12 drives the patient to rotate and move by an angle, so that the gastrointestinal position of the patient can be conveniently adjusted, and the hyperradiography can be fully carried out.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. A special bracket for gastrointestinal ultrasound radiography comprises a bottom plate (1), a mounting plate (7), a backrest (12) and a seat plate (20), and is characterized in that one end of the mounting plate (7) is hinged to one side of the upper surface of the bottom plate (1), a balancing weight (3) is fixedly mounted on the other side of the upper surface of the bottom plate (1), a first adjusting component for adjusting the angle of the mounting plate (7) is connected between the bottom plate (1) and the mounting plate (7), the first adjusting component comprises a first motor (2), a screw rod (4), an internal thread sleeve (5) and a connecting rod (6), the screw rod (4) is rotatably mounted on the upper surface of the bottom plate (1), the first motor (2) is fixedly mounted on the bottom plate (1), the first motor (2) is in driving connection with one end of the screw rod (4), the output shaft of the first motor (2) is preferably fixedly connected with the screw rod (, screw thread cover is equipped with internal thread cover (5) on lead screw (4), and internal thread cover (5) bottom and bottom plate (1) sliding connection, internal thread cover (5) top articulates there is connecting rod (6), and the connecting rod (6) other end is articulated with mounting panel (7) lateral wall, and mounting panel (7) opposite side wall mounting has back (12), seat board (20) are installed to the lateral wall lower part that mounting panel (7) were kept away from in back (12).
2. The special bracket for gastrointestinal ultrasound angiography according to claim 1, wherein a first sliding block is fixed at the bottom of the internal thread sleeve (5), and a first sliding groove for sliding connection of the first sliding block is formed in the bottom plate (1).
3. The special bracket for gastrointestinal ultrasound radiography according to claim 1, wherein one end of the seat plate (20) is hinged with the backrest (12), an electric push rod (21) is connected between the bottom of the seat plate (20) and the backrest (12), and two ends of the electric push rod (21) are respectively hinged with the seat plate (20) and the backrest (12).
4. The special bracket for gastrointestinal ultrasound radiography according to claim 1, wherein the armrests (19) are symmetrically and fixedly installed on the front and back of the upper surface of the seat plate (20).
5. The special bracket for gastrointestinal ultrasound radiography according to claim 1, wherein a pillow (14) is installed on the top of the side wall of the backrest (12) provided with the seat plate (20), the pillow (14) is slidably connected with the backrest (12), a threaded rod (13) is vertically and rotatably installed on the side wall of the backrest (12), the threaded rod (13) extends into the pillow (14) and is in threaded connection with the pillow (14), and a rocking handle is fixed on the top of the threaded rod (13).
6. The special bracket for gastrointestinal ultrasound radiography according to any one of claims 1 to 5, wherein a second adjusting assembly is connected between the backrest (12) and the mounting plate (7), the second adjusting assembly comprises a lifting mechanism and a rotating mechanism, the lifting mechanism comprises a second motor (9), a worm (8), a worm wheel (17), a gear (18) and a lifting plate (10), the lifting plate (10) is slidably mounted on the mounting plate (7), the rotating mechanism is mounted on the lifting plate (10), the worm (8) is rotatably mounted on the mounting plate (7), the second motor (9) is in driving connection with the worm (8), the mounting plate (7) is rotatably mounted at the side edge of the worm (8) and provided with the worm wheel (17) matched with the worm (8), the mounting shaft of the worm (8) is fixedly provided with the gear (18), the side wall of the lifting plate (10) is fixedly provided with a rack meshed with the gear (18), the rotating mechanism comprises a third motor (16), the third motor (16) is fixedly installed on the lifting plate (10), an output shaft of the third motor (16) is fixedly connected with the backrest (12), supporting rods (15) are fixed at two ends of the lifting plate (10), and annular grooves for the supporting rods (15) to be inserted are formed in the backrest (12).
7. The special bracket for gastrointestinal ultrasound radiography according to claim 1, wherein a moving seat (22) is fixed at the bottom of the bottom plate (1), two fourth motors (25) are symmetrically installed in the moving seat (22), an output shaft of each fourth motor (25) is eccentrically provided with a mounting roller (23), and a side wall of each mounting roller (23) far away from the output shaft is provided with a roller (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817073.5A CN111887893B (en) | 2020-08-14 | 2020-08-14 | Special bracket for gastrointestinal ultrasonic radiography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817073.5A CN111887893B (en) | 2020-08-14 | 2020-08-14 | Special bracket for gastrointestinal ultrasonic radiography |
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| Publication Number | Publication Date |
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| CN111887893A true CN111887893A (en) | 2020-11-06 |
| CN111887893B CN111887893B (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010817073.5A Active CN111887893B (en) | 2020-08-14 | 2020-08-14 | Special bracket for gastrointestinal ultrasonic radiography |
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| Country | Link |
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| CN (1) | CN111887893B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386028A (en) * | 2020-11-12 | 2021-02-23 | 苏州德拉乐电梯有限公司 | Retractable safety seat device for elevator |
| CN113314016A (en) * | 2021-06-21 | 2021-08-27 | 河南职业技术学院 | Ambient light analogue means for indoor decoration |
| CN113967143A (en) * | 2021-09-22 | 2022-01-25 | 重庆医科大学附属永川医院 | Overturning fixed bed for radiography |
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| US4221370A (en) * | 1978-03-20 | 1980-09-09 | Century Mfg. Co. | Obstetric chair |
| US20040036243A1 (en) * | 2002-08-23 | 2004-02-26 | Chuck Chang | Skateboard having a three-dimensional independent suspension balance system |
| CN108186193A (en) * | 2017-12-22 | 2018-06-22 | 兰艳 | A kind of medical neck cold compress device |
| CN108420668A (en) * | 2018-03-14 | 2018-08-21 | 安徽乐金君泽健康管理有限公司 | A kind of self-adjustable adjustable height massage armchair |
| CN208198165U (en) * | 2018-05-16 | 2018-12-07 | 黄福銮 | A kind of automotive seat of angle adjustable |
| CN109674439A (en) * | 2019-02-25 | 2019-04-26 | 何峰云 | A kind of ear nose larynx auxiliary examination device |
| CN209269730U (en) * | 2018-12-20 | 2019-08-20 | 开封市中心医院 | A kind of Gastrointestine radiography dedicated bracket for humpback patient |
-
2020
- 2020-08-14 CN CN202010817073.5A patent/CN111887893B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221370A (en) * | 1978-03-20 | 1980-09-09 | Century Mfg. Co. | Obstetric chair |
| US20040036243A1 (en) * | 2002-08-23 | 2004-02-26 | Chuck Chang | Skateboard having a three-dimensional independent suspension balance system |
| CN108186193A (en) * | 2017-12-22 | 2018-06-22 | 兰艳 | A kind of medical neck cold compress device |
| CN108420668A (en) * | 2018-03-14 | 2018-08-21 | 安徽乐金君泽健康管理有限公司 | A kind of self-adjustable adjustable height massage armchair |
| CN208198165U (en) * | 2018-05-16 | 2018-12-07 | 黄福銮 | A kind of automotive seat of angle adjustable |
| CN209269730U (en) * | 2018-12-20 | 2019-08-20 | 开封市中心医院 | A kind of Gastrointestine radiography dedicated bracket for humpback patient |
| CN109674439A (en) * | 2019-02-25 | 2019-04-26 | 何峰云 | A kind of ear nose larynx auxiliary examination device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386028A (en) * | 2020-11-12 | 2021-02-23 | 苏州德拉乐电梯有限公司 | Retractable safety seat device for elevator |
| CN113314016A (en) * | 2021-06-21 | 2021-08-27 | 河南职业技术学院 | Ambient light analogue means for indoor decoration |
| CN113967143A (en) * | 2021-09-22 | 2022-01-25 | 重庆医科大学附属永川医院 | Overturning fixed bed for radiography |
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| Publication number | Publication date |
|---|---|
| CN111887893B (en) | 2022-05-20 |
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