CN107822636B - Medical diagnosis auxiliary equipment for nuclear magnetic resonance - Google Patents
Medical diagnosis auxiliary equipment for nuclear magnetic resonance Download PDFInfo
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- CN107822636B CN107822636B CN201711442825.9A CN201711442825A CN107822636B CN 107822636 B CN107822636 B CN 107822636B CN 201711442825 A CN201711442825 A CN 201711442825A CN 107822636 B CN107822636 B CN 107822636B
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- auxiliary
- driven
- lifting
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- guide sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention provides a medical diagnosis auxiliary device for nuclear magnetic resonance, and belongs to the technical field of nuclear magnetic resonance medical instruments. The technical scheme is as follows: the novel bed comprises a bed plate, wherein backrests are arranged at two ends of the bed plate respectively, a driving lifting structure is arranged at one corner of the bottom surface of the bed plate, driven lifting parts are arranged at the other three corners respectively, and the driven lifting parts are in transmission connection with the driving lifting structure through a closed chain. The invention has the beneficial effects that: the invention drives the ring gear on the guiding piece through the speed reducing motor, and the top surface and the bottom surface of the movable guiding sleeve of the guiding piece are oblique cambered surfaces, so that when the movable guiding sleeve moves up and down, the lifting element of the lifting component is driven to move up and down together with the bed plate; the bed board is driven to ascend or descend by the driven ascending and descending piece and the driving ascending and descending structure synchronously, when the nuclear magnetic resonance medical examination is carried out on a patient, the operation is flexible, and the workload of medical staff is greatly reduced.
Description
Technical Field
The invention relates to the technical field of nuclear magnetic resonance medical instruments, in particular to a medical diagnosis auxiliary device for nuclear magnetic resonance.
Background
In the nuclear magnetic resonance medical diagnosis equipment, a magnet with a circular cavity and an examination table auxiliary equipment are generally included. The patient is taken to a designated position of the system for scanning by the examination table, and the examination table usually needs to have two directions of movement, namely a vertical direction of movement and a horizontal direction of movement, so that the patient on the examination table can be taken to the designated position of the circular cavity magnet. In a vertical movement mechanism for realizing vertical movement, height is lifted and lowered by changing an angle by adopting a conventional scissor beam structure.
The scissors beam structure adopted in the traditional lifting scheme comprises the following structural forms: in the scissors beam structure of the first structural form, the push rod devices are vertically arranged upwards, so that the push rod devices are usually two-stage hydraulic push rods, and the descending height of the sickbed is very limited under the condition, so that the sickbed cannot descend to a lower position, and great inconvenience is brought to some patients with inconvenient actions; in the scissors beam structure of the second structure form, the top point of the push rod device is placed at the center of the scissors beam, and the other end of the push rod device is fixed on the bottom plate, so that the lowest height of the sickbed can be reduced, but when the examining bed is reduced to a certain height, the thrust of the motor of the push rod device can be increased sharply, the power of the motor is required to be increased, and the cost is increased undoubtedly.
How to solve the above technical problems is the subject of the present invention.
Disclosure of Invention
The invention aims to provide a medical diagnosis auxiliary device for nuclear magnetic resonance.
The invention is realized by the following measures: the utility model provides a medical diagnosis auxiliary assembly for nuclear magnetic resonance, includes the bed board, the bed board both ends are equipped with the back respectively, wherein one of them angle department of bed board bottom surface is equipped with initiative elevation structure, and three angle departments respectively set up a driven lifting member in addition, driven lifting member with initiative elevation structure is connected by closed chain transmission.
The active lifting structure comprises a supporting base, a guide piece arranged on the supporting base, and a power transmission piece and a lifting assembly which are respectively positioned on two sides of the guide piece.
A support column is arranged on the bottom surface of the support base, and a roller is arranged at the bottom of the support column;
the bearing sleeve is arranged at one end of the bottom surface of the supporting base, the guide column is arranged on the top surface of the middle portion of the supporting base, a support and a fixed guide sleeve are arranged on one side of the guide column, a conical friction wheel is arranged on the support, the outer layer of the conical friction wheel is a rubber layer, and a plurality of cambered surface protrusions are evenly arranged on the outer surface of the rubber layer.
The guide piece comprises a movable guide sleeve, a ring gear and a connecting sleeve, wherein the ring gear is arranged on the outer side surface of the middle section of the movable guide sleeve, the connecting sleeve is arranged in the middle of the movable guide sleeve, and the top surface and the bottom surface of the movable guide sleeve are symmetrical oblique cambered surfaces.
The power transmission part is connected with the bearing sleeve and comprises a transmission shaft arranged in the bearing sleeve, and the transmission shaft is connected with an output shaft of the speed reducing motor;
the power gear is abutted to the ring gear and used for driving the guide piece to move up and down along the guide column.
The lifting assembly comprises a lifting element, a connecting frame arranged on the lifting element and a driven conical friction wheel arranged on the connecting frame, and the driven conical friction wheel is abutted with the inclined cambered surface of the top surface of the movable guide sleeve; the top surface and the bottom surface of the transfer guide sleeve are provided with oblique cambered surfaces for adjusting the height of the lifting component, and the position height of the lifting component is ensured because the lapping rod of the lifting component is connected with the bed plate.
The lifting element comprises a vertical lifting rod in sliding fit with the fixed guide sleeve, a lapping rod connected to one side of the top of the vertical lifting rod, and a connecting frame connected to the bottom surface of the lapping rod.
The driven lifting part comprises an auxiliary supporting base, an auxiliary guide part arranged on the auxiliary supporting base, and an auxiliary power transmission part and an auxiliary lifting component which are respectively positioned on two sides of the auxiliary guide part;
a driven bearing sleeve is arranged at one end of the top surface of the auxiliary support base, a driven guide post is arranged in the middle of the auxiliary support base (40), a driven support and a driven guide sleeve are arranged on one side of the driven guide post, and an auxiliary conical friction wheel is arranged on the driven support;
the auxiliary guide part comprises an auxiliary movable guide sleeve, an auxiliary annular gear arranged on the outer side surface of the middle section of the auxiliary movable guide sleeve and an auxiliary connecting sleeve arranged in the middle of the auxiliary movable guide sleeve, and the top surface and the bottom surface of the auxiliary movable guide sleeve are mutually symmetrical oblique cambered surfaces;
the auxiliary power transmission part is connected with the driven bearing sleeve and comprises an auxiliary transmission shaft arranged in the driven bearing sleeve, and the auxiliary transmission shaft is connected with an output shaft of a speed reducing motor; the auxiliary power gear is arranged on the auxiliary transmission shaft and is abutted with the auxiliary annular gear;
the auxiliary lifting assembly comprises an auxiliary lifting element, an auxiliary connecting frame arranged on the auxiliary lifting element, and an auxiliary driven conical friction wheel arranged on the auxiliary connecting frame, wherein the auxiliary driven conical friction wheel is abutted to the inclined cambered surface on the top surface of the auxiliary moving guide sleeve.
The invention has the beneficial effects that: the invention drives the ring gear on the guiding piece through the speed reducing motor, and the top surface and the bottom surface of the movable guiding sleeve of the guiding piece are oblique cambered surfaces, so that when the movable guiding sleeve moves up and down, the lifting element of the lifting component is driven to move up and down together with the bed plate; in addition, the driving chain wheel is linked with the three auxiliary driving chain wheels by the closed chain, the driven lifting piece and the driving lifting structure synchronously drive the bed board to ascend or descend, the whole bed board height adjusting process is realized by the transmission of the closed chain and the chain wheels, the ring gear on the outer side surface of the movable guide sleeve is meshed with the power gear, the top surface and the bottom surface of the movable guide sleeve are respectively abutted against the conical friction wheel and the driven conical friction wheel, the bed board height adjusting process is stable, the driving lifting structure synchronously drives the bed board to ascend or descend, external transmission force is provided for stably and synchronously reducing or re-ascending the whole bed board, the height required by a patient during examination is reached, the operation is convenient, when the nuclear magnetic resonance medical examination is carried out on the patient, the operation is flexible, and the workload of medical staff is greatly reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic structural diagram of an active lifting structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the driven lifting member in the embodiment of the invention.
Fig. 5 is a schematic structural diagram of the driven lifting member in the embodiment of the invention.
FIG. 6 is a schematic structural diagram illustrating a positional relationship among the supporting base, the power transmission member, and the lifting assembly according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a guide member in an embodiment of the present invention.
FIG. 8 is a schematic structural diagram of a power transmitting element in an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a lifting element according to an embodiment of the invention.
Wherein the reference numerals are: 1. a bed board; 2. a backrest; 3. an active lifting structure; 30. a support base; 300. a support pillar; 3000. a roller; 301. a bearing housing; 302. a guide post; 303. a support; 304. fixing a guide sleeve; 305. a tapered friction wheel; 31. a guide member; 310. moving the guide sleeve; 311. a ring gear; 312. connecting sleeves; 32. a power transmission member; 320. a drive shaft; 321. a power gear; 322. a drive sprocket; 33. a lifting assembly; 330. a lifting element; 3300. a vertical lifting rod; 3301. building a rod; 331. a connecting frame; 332. a driven conical friction wheel; 4. a driven lifting member; 40. a secondary support base; 41. a secondary guide; 42. a secondary power transmission member; 43. a secondary lift assembly; 5. the chain is closed.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 9, the present invention is: a medical diagnosis auxiliary device for nuclear magnetic resonance comprises a bed board 1, wherein two ends of the bed board 1 are respectively provided with a backrest 2, a driving lifting structure 3 is arranged at one corner of the bottom surface of the bed board 1, the other three corners are respectively provided with a driven lifting piece 4, and the driven lifting pieces 4 and the driving lifting structure 3 are in transmission connection through a closed chain 5.
The active lifting structure 3 comprises a supporting base 30, a guiding member 31 arranged on the supporting base 30, and a power transmission member 32 and a lifting assembly 33 respectively arranged at two sides of the guiding member 31.
A support column 300 is arranged on the bottom surface of the support base 30, and rollers 3000 are arranged at the bottom of the support column 300;
the bearing sleeve 301 is arranged at one end of the bottom surface of the supporting base 30, the guide column 302 is arranged on the top surface of the middle part of the supporting base (30), the support 303 and the fixed guide sleeve 304 are arranged on one side of the guide column 302, the tapered friction wheel 305 is arranged on the support 303, the outer layer of the tapered friction wheel 305 is a rubber layer, and a plurality of cambered protrusions are uniformly arranged on the outer surface of the rubber layer.
The guide member 31 includes a movable guide sleeve 310, a ring gear 311 disposed on the outer side of the middle section of the movable guide sleeve 310, and a connection sleeve 312 disposed in the middle of the movable guide sleeve 310, wherein the top surface and the bottom surface of the movable guide sleeve 310 are symmetrical oblique arc surfaces.
The power transmission piece 32 is connected with the bearing sleeve 301, the power transmission piece 32 comprises a transmission shaft 320 arranged in the bearing sleeve 301, and the transmission shaft 320 is connected with an output shaft of the speed reducing motor;
the device further comprises a power gear 321 and a driving sprocket 322 which are arranged on the transmission shaft 320, wherein the power gear 321 is abutted with the ring gear 311 and is used for driving the guide piece 31 to move up and down along the guide column 302.
The lifting assembly 33 comprises a lifting element 330, a connecting frame 331 arranged on the lifting element 330, and a driven conical friction wheel 332 arranged on the connecting frame 331, wherein the driven conical friction wheel 332 abuts against the inclined cambered surface of the top surface of the movable guide sleeve 310; in order to adjust the height of the lifting unit 33 by providing the top and bottom surfaces of the movable guide sleeve 310 with inclined arc surfaces, the height of the lifting unit 33 is secured by the height of the top plate 1 because the hook 3301 of the lifting unit 33 is connected to the top plate 1.
The lifting member 330 includes a vertical lifting rod 3300 slidably fitted to the fixed guide 304, a hook 3301 attached to a top side of the vertical lifting rod 3300, and a connecting frame 331 attached to a bottom surface of the hook 3301.
The driven lifting member 4 comprises a sub-supporting base 40, a sub-guide member 41 arranged on the sub-supporting base 40, a sub-power transmission member 42 and a sub-lifting assembly 43 respectively positioned at two sides of the sub-guide member 41;
a driven bearing sleeve is arranged at one end of the top surface of the auxiliary support base 40, a driven guide post is arranged in the middle of the auxiliary support base (40), a driven bracket and a driven guide sleeve are arranged on one side of the driven guide post, and an auxiliary conical friction wheel is arranged on the driven bracket;
the auxiliary guide part 41 comprises an auxiliary movable guide sleeve, an auxiliary annular gear arranged on the outer side surface of the middle section of the auxiliary movable guide sleeve and an auxiliary connecting sleeve arranged in the middle of the auxiliary movable guide sleeve, and the top surface and the bottom surface of the auxiliary movable guide sleeve are mutually symmetrical oblique cambered surfaces;
the auxiliary power transmission part 42 is connected with the driven bearing sleeve, the auxiliary power transmission part 42 comprises an auxiliary transmission shaft arranged in the driven bearing sleeve, and the auxiliary transmission shaft is connected with an output shaft of the speed reducing motor; the auxiliary power gear and the auxiliary chain wheel are arranged on the auxiliary transmission shaft, and the auxiliary power gear is abutted with the auxiliary annular gear;
the auxiliary lifting assembly 43 comprises an auxiliary lifting element, an auxiliary connecting frame arranged on the auxiliary lifting element, and an auxiliary driven conical friction wheel arranged on the auxiliary connecting frame, wherein the auxiliary driven conical friction wheel is abutted to the inclined cambered surface of the top surface of the auxiliary moving guide sleeve.
When the invention is actually used: when the switch of the speed reducing motor is turned on, the speed reducing motor drives the ring gear 311 on the guide member 31, and because the top surface and the bottom surface of the movable guide sleeve 310 of the guide member 31 are oblique arc surfaces, when the movable guide sleeve 310 moves up and down, the lifting element 330 of the lifting component 33 is driven to move up and down together with the bed plate 1; in addition, the driving chain wheel 322 is linked with the three auxiliary driving chain wheels by the closing chain 5, so that the driven lifting part 4 and the driving lifting structure 3 synchronously drive the bed board 1 to ascend or descend, the whole height adjustment process of the bed board 1 is realized by the transmission of the closing chain 5 and the chain wheels, the ring gear 311 on the outer side surface of the movable guide sleeve 310 is meshed with the power gear 321, the top surface and the bottom surface of the movable guide sleeve 310 are respectively abutted against the conical friction wheel 305 and the driven conical friction wheel 332, the height adjustment process of the bed board 1 is relatively stable, the driving lifting structure 3 synchronously drives the bed board 1 to ascend or descend, and transmission external force is provided for stably and synchronously reducing or re-ascending the whole bed board to reach the height required by patient examination.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (1)
1. A medical diagnosis auxiliary device for nuclear magnetic resonance comprises a bed board (1), wherein two ends of the bed board (1) are respectively provided with a backrest (2), and the medical diagnosis auxiliary device is characterized in that a driving lifting structure (3) is arranged at one corner of the bottom surface of the bed board (1), a driven lifting piece (4) is arranged at the other three corners of the bottom surface of the bed board (1), and the driven lifting piece (4) is in transmission connection with the driving lifting structure (3) through a closed chain (5);
the active lifting structure (3) comprises a supporting base (30), a guide piece (31) arranged on the supporting base (30), and a power transmission piece (32) and a lifting component (33) which are respectively positioned on two sides of the guide piece (31);
a support column (300) is arranged on the bottom surface of the support base (30), and rollers (3000) are arranged at the bottom of the support column (300);
a bearing sleeve (301) is arranged at one end of the bottom surface of the supporting base (30), a guide post (302) is arranged on the top surface of the middle part of the supporting base (30), a support (303) and a fixed guide sleeve (304) are arranged on one side of the guide post (302), and a conical friction wheel (305) is arranged on the support (303);
the guide piece (31) comprises a movable guide sleeve (310), a ring gear (311) arranged on the outer side surface of the middle section of the movable guide sleeve (310), and a connecting sleeve (312) arranged in the middle of the movable guide sleeve (310), wherein the top surface and the bottom surface of the movable guide sleeve (310) are mutually symmetrical oblique cambered surfaces;
the power transmission piece (32) is connected with the bearing sleeve (301), the power transmission piece (32) comprises a transmission shaft (320) arranged in the bearing sleeve (301), and the transmission shaft (320) is connected with an output shaft of a speed reducing motor;
the transmission mechanism also comprises a power gear (321) and a driving chain wheel (322) which are arranged on the transmission shaft (320), wherein the power gear (321) is abutted with the ring gear (311);
the lifting assembly (33) comprises a lifting element (330), a connecting frame (331) arranged on the lifting element (330), and a driven conical friction wheel (332) arranged on the connecting frame (331), wherein the driven conical friction wheel (332) is abutted with the inclined cambered surface of the top surface of the movable guide sleeve (310);
the lifting element (330) comprises a vertical lifting rod (3300) in sliding fit with the fixed guide sleeve (304), an access rod (3301) connected to one side of the top of the vertical lifting rod (3300), and the connecting frame (331) is connected to the bottom surface of the access rod (3301);
the driven lifting part (4) comprises an auxiliary supporting base (40), an auxiliary guide part (41) arranged on the auxiliary supporting base (40), an auxiliary power transmission part (42) and an auxiliary lifting component (43) which are respectively positioned at two sides of the auxiliary guide part (41);
a driven bearing sleeve is arranged at one end of the top surface of the auxiliary support base (40), a driven guide post is arranged in the middle of the auxiliary support base (40), a driven support and a driven guide sleeve are arranged on one side of the driven guide post, and an auxiliary conical friction wheel is arranged on the driven support;
the auxiliary guide part (41) comprises an auxiliary movable guide sleeve, an auxiliary annular gear arranged on the outer side surface of the middle section of the auxiliary movable guide sleeve and an auxiliary connecting sleeve arranged in the middle of the auxiliary movable guide sleeve, and the top surface and the bottom surface of the auxiliary movable guide sleeve are mutually symmetrical oblique cambered surfaces;
the auxiliary power transmission part (42) is connected with the driven bearing sleeve, the auxiliary power transmission part (42) comprises an auxiliary transmission shaft arranged in the driven bearing sleeve, and the auxiliary transmission shaft is connected with an output shaft of a speed reducing motor; the auxiliary power gear is arranged on the auxiliary transmission shaft and is abutted with the auxiliary annular gear;
the auxiliary lifting assembly (43) comprises an auxiliary lifting element, an auxiliary connecting frame arranged on the auxiliary lifting element, and an auxiliary driven conical friction wheel arranged on the auxiliary connecting frame, wherein the auxiliary driven conical friction wheel is abutted to the inclined cambered surface of the top surface of the auxiliary moving guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442825.9A CN107822636B (en) | 2017-12-27 | 2017-12-27 | Medical diagnosis auxiliary equipment for nuclear magnetic resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442825.9A CN107822636B (en) | 2017-12-27 | 2017-12-27 | Medical diagnosis auxiliary equipment for nuclear magnetic resonance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107822636A CN107822636A (en) | 2018-03-23 |
| CN107822636B true CN107822636B (en) | 2021-04-02 |
Family
ID=61645514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442825.9A Expired - Fee Related CN107822636B (en) | 2017-12-27 | 2017-12-27 | Medical diagnosis auxiliary equipment for nuclear magnetic resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107822636B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494128B (en) * | 2020-04-22 | 2021-04-30 | 吉林大学 | Child nursing bed convenient for adjusting inclination angle |
| CN113552512B (en) * | 2021-07-26 | 2022-10-25 | 山东大学 | Rotating device for nuclear magnetic resonance equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5912445B2 (en) * | 2011-11-18 | 2016-04-27 | 株式会社日立メディコ | Mobile bed apparatus and medical image pickup apparatus including the same |
| CN202568698U (en) * | 2012-04-28 | 2012-12-05 | 上海理工大学 | Movable bed with hoisting mechanism |
| CN202785479U (en) * | 2012-09-25 | 2013-03-13 | 四川省绵阳西南自动化研究所 | Chain-type four-spindle driven elevator mechanism |
| CN203724362U (en) * | 2013-12-20 | 2014-07-23 | 郑东明 | Automatic multi-functional lifting medical bed |
| CN106937870A (en) * | 2017-03-14 | 2017-07-11 | 陈立平 | A kind of medical treatment detection bed for nuclear magnetic resonance |
| CN106963381B (en) * | 2017-04-12 | 2018-06-01 | 清佑（上海）计算机科技有限公司 | A kind of nuclear magnetic resonance medical diagnosis moving bed |
-
2017
- 2017-12-27 CN CN201711442825.9A patent/CN107822636B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN107822636A (en) | 2018-03-23 |
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Granted publication date: 20210402 Termination date: 20211227 |