CN103301581A - Large medical device treatment bed - Google Patents
Large medical device treatment bed Download PDFInfo
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- CN103301581A CN103301581A CN2013102497264A CN201310249726A CN103301581A CN 103301581 A CN103301581 A CN 103301581A CN 2013102497264 A CN2013102497264 A CN 2013102497264A CN 201310249726 A CN201310249726 A CN 201310249726A CN 103301581 A CN103301581 A CN 103301581A
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Abstract
The invention relates to a large medical device treatment bed and belongs to the field of medical devices. The large medical device treatment bed comprises a bed rotating assembly. A bed base is hinged to the bed rotating assembly, a lifting assembly is fixed on the bed base and is provided with a bracket assembly, the bracket assembly is provided with a lateral moving assembly, the lateral moving assembly is connected with the bracket assembly through a horizontal bearing, a longitudinal assembly is connected with the lateral moving assembly through a longitudinal bearing, and the bracket assembly is provided with a driving device. The large medical device treatment bed can automatically accurately correct errors on line and is high in running precision, safe and reliable.
Description
Technical field
The present invention relates to a kind of large medical equipment therapeutic bed, belong to field of medical device.
Background technology
The development trend of radiotherapy is accuracy and the accuracy that improves constantly the radiotherapy links, stereotaxis device especially armarium therapeutic bed has improved patient's fixed precision greatly, but these are to be based upon the patient on the hypothesis of rigid body, and the target of actual irradiation is internal target.The application of IGRT, ART technology can detect the position deviation of internal target and revise online, and this will ask therapeutic bed will have the function of on-line automatic accurate correction.And ion beam is transferred the application of strong technology, require therapeutic bed to have higher pendulum position precision, present existing conventional therapy bed is four-dimensional structure, after the therapeutic bed load, bed surface has inclination, the bed body also has distortion simultaneously, and in length and breadth rotation positioning accuracy and the repetitive positioning accuracy to driving positioning accuracy, bed revolution of present therapeutic bed is not high, the inadaptable needs of accurately putting the position.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: a kind of large medical equipment therapeutic bed is provided, can on-line automatic accurate round-off error, and running precision is high, and is safe and reliable.
Large medical equipment therapeutic bed of the present invention, comprise bed revolution assembly, articulated bed base on the bed revolution assembly, fixing lifting assembly on the bed foundation, establish carriage assembly on the lifting assembly, establish traversing assembly on the carriage assembly, traversing assembly is connected with carriage assembly by horizontal bearing, vertical package is connected with traversing assembly by vertical bearing, establishes driving device on the carriage assembly;
Described revolution assembly comprises revolution foundation, comprise base, actuating device, bracing or strutting arrangement, actuating device comprises worm gear core wheel, worm screw, and the worm gear core wheel is fixed on the base, and worm gear core wheel outer rim is worm rim fixedly, the worm and wheel wheel rim connects, worm screw is arranged on the casing, worm screw one end connection reducer, and decelerator connects servomotor, the worm gear core wheel is inboard to connect central shaft by rolling bearing two, and central shaft is fixedly connected with casing; Bracing or strutting arrangement is fixed on the casing, the worm screw two ends radially are connected with casing by rolling bearing one, worm shaft is to thrust bearing is set, bracing or strutting arrangement comprises tripod, support wheel is set on the tripod to be connected with base, bracing or strutting arrangement arranges two groups of pneumatic units, and pneumatic unit is arranged on the tripod both sides, and servomotor is provided with rotary encoder and brake;
Described driving device comprises drive motors, drive motors is installed in a side of base, and driving shaft and Timing Belt wheel shaft are set in the base, and drive motors connects driving shaft, electromagnetic clutch is installed on the driving shaft, electromagnetic clutch is equipped with clutch gear outward, clutch gear and idler gear engagement, idler gear and gear wheel engagement, idler gear is installed on the base side wall, gear wheel is installed on the Timing Belt wheel shaft, and gear wheel one side is equipped with driving pulley, driving pulley and Timing Belt engagement;
Described vertical package comprises and vertically moves frame, vertically move frame upper surface setting-in and adjust internal layer, vertically move on the frame symmetry and fix two motors, the output shaft of each motor connects ball-screw, the leading screw seat of ball-screw is connected with the slide block of moving guide rail, vertically moves frame end section and establishes self-aligning ball bearing.
The worm screw two ends radially are connected with casing by rolling bearing one, and worm shaft is to thrust bearing is set.
The driving pulley both sides arrange driven pulley, and driven pulley is installed in respectively on the driven belt wheel shaft, and Timing Belt is walked around the driven pulley of driving pulley and opposite side successively from the driven pulley of a side wherein.
Establish position detecting device on the movable stand of ball-screw below, in order to detect the anglec of rotation of ball-screw.
Position detecting device comprises encoder and potentiometer, has guaranteed the reliability of position probing.
Operation principle and process:
During work, by the rotary encoder input servomotor anglec of rotation, servomotor drives worm screw by decelerator and rotates, worm screw is rotated around the worm gear core wheel, driving casing and central shaft rotates, casing drives bracing or strutting arrangement and therapeutic bed rotation, synchronous pulley on the casing is transferred to potentiometer by Timing Belt with rotational angle, potentiometer arrives servosystem with data feedback, servosystem is regulated synchronously, arrive the exact position after repeatedly regulating, two groups of pneumatic units move simultaneously and carry out stop, realize the accurate location of therapeutic bed;
In the situation of electromagnetic clutch energising, the rotation of motor passes to clutch gear by electromagnetic clutch, because clutch gear and idler gear engagement, idler gear and gear wheel engagement, and gear wheel and driving pulley all are mounted on the Timing Belt wheel shaft, and then the rotation of motor finally can drive the driving pulley rotation.The one side of synchronous belt teeth meshes with driving pulley, and driven pulley is close on another plane, and the two ends of Timing Belt are installed on the movable stand assembly of therapeutic bed, and when base fixedly the time, the rotation of motor can drive the movable stand assembly and move, thereby plays the effect of driving.Potentiometer is connected on the Timing Belt wheel shaft, and is namely directly coaxial with driving pulley, the rotation data that reads driving pulley that can be real-time.Incremental encoder is installed on the encoder pinion shaft, and with the encoder gear wheel engagement that is installed on the Timing Belt wheel shaft, by amplifying between encoder gear wheel and the encoder pinion shaft, can be real-time read rotation data and and potentiometer form check and correction and checking, with the accuracy of assurance data;
When two motor rotating in same directions, realize the pitching function of bed, when two motor adverse movements, realize the swing function of bed, drive disk assembly adopts the processing of eliminating the gap, and indelible drive gap then compensates by the parameter setting of digital control system, position detecting device is detected by encoder and potentiometer, the employing of above technology, the rotation positioning accuracy of vertical package can reach 0.1 °, and bed is sextuple structure by four-dimensional structure updating simultaneously.
The beneficial effect that the present invention compared with prior art has is:
Therapeutic bed revolution angle control precision is high, and data read accurately, and therapeutic bed is stable, and safety is good; Two pneumatic stop, the stop degree of accuracy is high, effective, and accuracy and the safety for the treatment of are greatly improved, and transmission efficiency is high, and is both convenient for installation and maintenance, also reduced cost.
Description of drawings
Fig. 1 is embodiment of the invention schematic diagram;
Fig. 2 is structural representation of the present invention;
Fig. 3 is that Fig. 1 master looks cutaway view;
Fig. 4 is the actuating device partial sectional view;
Fig. 5 is Fig. 3 A-A cross-sectional view;
Fig. 6 is bracing or strutting arrangement assembling schematic diagram;
Fig. 7 is Fig. 5 B-B cross-sectional view;
Fig. 8 is structural representation of the present invention;
Fig. 9 is the A-A sectional structure schematic diagram of Fig. 1;
Figure 10 is the vertical package top view;
Figure 11 is Figure 10 cutaway view.
Among the figure: 1, bed revolution assembly; 101, base; 102, mechanical stop; 103, Timing Belt; 104, actuating device; 105, bracing or strutting arrangement; 106, potentiometer; 107, bearing gland; 108, rolling bearing one; 109, worm screw; 110, motor flange; 111, decelerator; 112, servomotor; 113, casing; 114, worm gear core wheel; 115, central shaft; 116, rolling bearing two; 117, synchronous pulley; 118, worm rim; 119, inner support plate; 120, external support board; 121, pole; 122, tripod; 123, support wheel; 124, pneumatic unit; 2, bed foundation; 3, lifting assembly; 4, carriage assembly; 5, horizontal bearing; 6, traversing assembly; 7, driving device; 701, drive motors; 702, idler gear; 703, gear wheel; 704, incremental encoder; 705, encoder pinion shaft; 706, driving pulley; 707, base; 708, potentiometer; 709, electromagnetic clutch; 710, clutch gear; 711, driving shaft; 712, encoder gear wheel; 713, Timing Belt wheel shaft; 714, driven pulley; 715, driven belt wheel shaft; 716, Timing Belt; 8, chair assembly; 9, vertical package; 901, moving guide rail; 902, ball-screw; 903, motor; 904, self-aligning ball bearing; 905, adjust internal layer; 906, vertically move frame; 907, position detecting device; 10, vertical bearing.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
As shown in Figure 1, large medical equipment therapeutic bed of the present invention, comprise bed revolution assembly 1, articulated bed base 2 on the bed revolution assembly 1, fixing lifting assembly 3 on the bed foundation 2 is established carriage assembly 4 on the lifting assembly 3, establish traversing assembly 6 on the carriage assembly 4, traversing assembly 6 is connected with carriage assembly 4 by horizontal bearing 5, and vertical package 9 is connected with traversing assembly 6 by vertical bearing 10, establishes driving device 7 on the carriage assembly 4;
Such as Fig. 2-shown in Figure 7, described revolution assembly comprises revolution foundation, comprise base 101, actuating device 104, bracing or strutting arrangement 105, actuating device 104 comprises worm gear core wheel 114, worm screw 109, worm gear core wheel 114 is fixed on the base 101, worm gear core wheel 114 outer rims are worm rim 118 fixedly, worm screw 109 is connected with worm rim 118, worm screw 109 is arranged on the casing 113, worm screw 109 1 end connection reducers 111, decelerator 111 connects servomotor 112, and worm gear core wheel 114 is inboard by rolling bearing 2 116 connection central shafts 115, and central shaft 115 is fixedly connected with casing 113; Bracing or strutting arrangement 105 is fixed on the casing 113, worm screw 109 two ends radially are connected with casing 113 by rolling bearing 1, worm screw 109 axially arranges thrust bearing, bracing or strutting arrangement 105 comprises tripod 122, support wheel 123 is set on the tripod 122 to be connected with base 101, bracing or strutting arrangement 105 arranges two groups of pneumatic units 124, and pneumatic unit 124 is arranged on tripod 122 both sides, and servomotor 112 is provided with rotary encoder and brake;
Such as Fig. 8-shown in Figure 9, described driving device comprises drive motors 701, drive motors 701 is installed in a side of base 707, base 707 interior driving shaft 711 and the Timing Belt wheel shafts 713 of arranging, drive motors 701 connects driving shaft 711, electromagnetic clutch 709 is installed on the driving shaft 711, the electromagnetic clutch 709 outer clutch gears 710 that are equipped with, clutch gear 710 and idler gear 702 engagements, idler gear 702 and gear wheel 703 engagements, idler gear 702 is installed on base 707 sidewalls, and gear wheel 703 is installed on the Timing Belt wheel shaft 713, gear wheel 703 1 sides are equipped with driving pulley 706, driving pulley 706 and Timing Belt 716 engagements;
Such as Figure 10-shown in Figure 11, described vertical package comprises and vertically moves frame 906, vertically move frame 906 upper surface setting-ins and adjust internal layer 905, vertically move on the frame 906 symmetry and fix two motors 903, the output shaft of each motor 903 connects ball-screw 902, the leading screw seat of ball-screw 902 is connected with the slide block of moving guide rail 901, and moving guide rail 901 is fixed on and vertically moves on the frame 906, vertically moves frame 906 ends and establishes self-aligning ball bearing 904.
Driving pulley 706 both sides arrange driven pulley 714, and driven pulley 714 is installed in respectively on the driven belt wheel shaft 715, and Timing Belt 716 is walked around the driven pulley 714 of driving pulley 706 and opposite side successively from the driven pulley 714 of a side wherein.
Establish position detecting device 907 on the movable stand of ball-screw 902 belows, in order to detect the anglec of rotation of ball-screw 902.
Operation principle and process:
During work, by rotary encoder input servomotor 112 anglecs of rotation, servomotor 112 drives worm screw 109 by decelerator 111 and rotates, worm screw 109 is around 114 rotations of worm gear core wheel, drive casing 113 and central shaft 115 rotations, casing 113 drives bracing or strutting arrangement 105 and therapeutic bed rotation, synchronous pulley 117 on the casing 113 is transferred to potentiometer 106 by Timing Belt 103 with rotational angle, potentiometer 106 arrives servosystem with data feedback, servosystem is regulated synchronously, arrive the exact position after repeatedly regulating, two groups of pneumatic units 124 move simultaneously and carry out stop, realize the accurate location of therapeutic bed;
In the situation of electromagnetic clutch 709 energisings, the rotation of drive motors 701 passes to clutch gear 710 by electromagnetic clutch 709, because clutch gear 710 and idler gear 702 engagements, idler gear 702 and gear wheel 703 engagements, and gear wheel 703 all is mounted on the Timing Belt wheel shaft 713 with driving pulley 706, and then the rotation of drive motors 701 finally can drive driving pulley 706 rotations.Timing Belt 716 toothed one sides and driving pulley 706 engagements, driven pulley 714 is close on another plane, the two ends of Timing Belt 716 are installed on the movable stand assembly of therapeutic bed, when base 707 fixedly the time, the rotation of drive motors 701 can drive the movable stand assembly and move, thereby plays the effect of driving, and potentiometer 708 is connected on the Timing Belt wheel shaft 713, namely directly coaxial with driving pulley 706, the rotation data that reads driving pulley 706 that can be real-time.Incremental encoder 704 is installed on the encoder pinion shaft 705, and with encoder gear wheel 712 engagement that is installed on the Timing Belt wheel shaft 713, by amplifying between encoder gear wheel 712 and the encoder pinion shaft 705, can be real-time read rotation data and and potentiometer 708 form check and correction and checking, with the accuracy of assurance data;
When two motors, 903 rotating in same direction, realize the pitching function of bed, when 903 adverse movement of two motors, realize the swing function of bed, drive disk assembly adopts the processing of eliminating the gap, and indelible drive gap then compensates by the parameter setting of digital control system, position detecting device 907 is detected by encoder and potentiometer, the employing of above technology, the rotation positioning accuracy of vertical package can reach 0.1 °, and bed is sextuple structure by four-dimensional structure updating simultaneously.
Claims (5)
1. large medical equipment therapeutic bed, comprise bed revolution assembly (1), the upper articulated bed base (2) of bed revolution assembly (1), the upper fixedly lifting assembly (3) of bed foundation (2), establish carriage assembly (4) on the lifting assembly (3), establish traversing assembly (6) on the carriage assembly (4), traversing assembly (6) is connected with carriage assembly (4) by horizontal bearing (5), vertical package (9) is connected with traversing assembly (6) by vertical bearing (10), establish driving device (7) on the carriage assembly (4), it is characterized in that:
Described revolution assembly comprises revolution foundation, comprise base (101), actuating device (104), bracing or strutting arrangement (105), actuating device (104) comprises worm gear core wheel (114), worm screw (109), worm gear core wheel (114) is fixed on the base (101), worm gear core wheel (114) outer rim is worm rim (118) fixedly, worm screw (109) is connected with worm rim (118), worm screw (109) is arranged on the casing (113), worm screw (109) one end connection reducers (111), decelerator (111) connects servomotor (112), worm gear core wheel (114) is inboard to connect central shaft (115) by rolling bearing two (116), central shaft (115) is fixedly connected with casing (113), bracing or strutting arrangement (105) is fixed on the casing (113), worm screw (109) two ends radially are connected with casing (113) by rolling bearing one (108), worm screw (109) axially arranges thrust bearing, bracing or strutting arrangement (105) comprises tripod (122), support wheel (123) is set on the tripod (122) to be connected with base (101), bracing or strutting arrangement (105) arranges two groups of pneumatic units (124), pneumatic unit (124) is arranged on tripod (122) both sides, and servomotor (112) is provided with rotary encoder and brake;
Described driving device comprises drive motors (701), drive motors (701) is installed in a side of base (707), driving shaft (711) and Timing Belt wheel shaft (713) are set in the base (707), drive motors (701) connects driving shaft (711), electromagnetic clutch (709) is installed on the driving shaft (711), the outer clutch gear (710) that is equipped with of electromagnetic clutch (709), clutch gear (710) and idler gear (702) engagement, idler gear (702) and gear wheel (703) engagement, idler gear (702) is installed on base (707) sidewall, gear wheel (703) is installed on the Timing Belt wheel shaft (713), gear wheel (703) one sides are equipped with driving pulley (706), driving pulley (706) and Timing Belt (716) engagement;
Described vertical package comprises and vertically moves frame (906), vertically move frame (906) upper surface setting-in and adjust internal layer (905), vertically move the upper symmetry of frame (906) and fix two motors (903), the output shaft of each motor (903) connects ball-screw (902), the leading screw seat of ball-screw (902) is connected with the slide block of moving guide rail (901), moving guide rail (901) is fixed on and vertically moves on the frame (906), vertically moves frame (906) end and establishes self-aligning ball bearing (904).
2. large medical equipment therapeutic bed according to claim 1 is characterized in that: worm screw (109) two ends radially are connected with casing (113) by rolling bearing one (108), and worm screw (109) axially arranges thrust bearing.
3. large medical equipment therapeutic bed according to claim 1, it is characterized in that: driving pulley (706) both sides arrange driven pulley (714), driven pulley (714) is installed in respectively on the driven belt wheel shaft (715), and Timing Belt (716) is walked around the driven pulley (714) of driving pulley (706) and opposite side successively from the driven pulley of a side (714) wherein.
4. large medical equipment therapeutic bed according to claim 1 is characterized in that: establish position detecting device (907) on the movable stand of ball-screw (902) below.
5. large medical equipment therapeutic bed according to claim 4, it is characterized in that: position detecting device (907) comprises encoder and potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249726.4A CN103301581B (en) | 2013-06-21 | 2013-06-21 | Large medical equipment therapeutic bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310249726.4A CN103301581B (en) | 2013-06-21 | 2013-06-21 | Large medical equipment therapeutic bed |
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| CN103301581A true CN103301581A (en) | 2013-09-18 |
| CN103301581B CN103301581B (en) | 2016-01-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105147490A (en) * | 2015-09-30 | 2015-12-16 | 玉林市好邦医疗设备有限责任公司 | Catheter bed for interventional diagnosis and treatment |
| WO2017071451A1 (en) * | 2015-10-26 | 2017-05-04 | 深圳市奥沃医学新技术发展有限公司 | Control device and method for rotation of radiotherapy equipment |
| CN108114379A (en) * | 2017-12-21 | 2018-06-05 | 山东省肿瘤防治研究院 | A kind of medical computerized linear accelerator puts position positioner |
| CN108309342A (en) * | 2018-02-13 | 2018-07-24 | 练陈敏 | A kind of liftable image department radiation protection inspection desk |
| CN109276820A (en) * | 2018-11-15 | 2019-01-29 | 广州科莱瑞迪医疗器材股份有限公司 | A kind of real-time dynamic compensating system of radiotherapy respiratory movement and method |
| CN109876311A (en) * | 2019-03-27 | 2019-06-14 | 陕西华明普泰医疗设备有限公司 | A kind of six degree of freedom radiation therapeutical bed |
| CN110665129A (en) * | 2018-12-25 | 2020-01-10 | 江苏海明医疗器械有限公司 | Revolution mechanism for medical accelerator treatment bed |
| US11000698B2 (en) | 2015-10-26 | 2021-05-11 | Shenzhen Our New Medical Technologies Development Co., Ltd. | Device and method for controlling rotation of radiotherapy equipment |
| WO2022057085A1 (en) * | 2020-09-15 | 2022-03-24 | 苏州雷泰医疗科技有限公司 | Treatment bed revolution structure and accelerator treatment bed |
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| CN2078636U (en) * | 1990-12-11 | 1991-06-12 | 吴雪林 | Head and neck-placing fixer for radiation therapy |
| US7604645B2 (en) * | 2002-08-07 | 2009-10-20 | Civco Medical Instruments Inc. | Ultrasound probe support and stepping device |
| CN203303519U (en) * | 2013-06-21 | 2013-11-27 | 山东新华医疗器械股份有限公司 | Large medical equipment treatment bed |
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| CN2078636U (en) * | 1990-12-11 | 1991-06-12 | 吴雪林 | Head and neck-placing fixer for radiation therapy |
| US7604645B2 (en) * | 2002-08-07 | 2009-10-20 | Civco Medical Instruments Inc. | Ultrasound probe support and stepping device |
| CN203303519U (en) * | 2013-06-21 | 2013-11-27 | 山东新华医疗器械股份有限公司 | Large medical equipment treatment bed |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105147490A (en) * | 2015-09-30 | 2015-12-16 | 玉林市好邦医疗设备有限责任公司 | Catheter bed for interventional diagnosis and treatment |
| WO2017071451A1 (en) * | 2015-10-26 | 2017-05-04 | 深圳市奥沃医学新技术发展有限公司 | Control device and method for rotation of radiotherapy equipment |
| US11000698B2 (en) | 2015-10-26 | 2021-05-11 | Shenzhen Our New Medical Technologies Development Co., Ltd. | Device and method for controlling rotation of radiotherapy equipment |
| US10682526B2 (en) | 2015-10-26 | 2020-06-16 | Our New Medical Technologies | Device and method for controlling rotation of radiotherapy equipment |
| CN108114379B (en) * | 2017-12-21 | 2020-02-14 | 山东省肿瘤防治研究院 | Medical electron linear accelerator pendulum position positioner |
| CN108114379A (en) * | 2017-12-21 | 2018-06-05 | 山东省肿瘤防治研究院 | A kind of medical computerized linear accelerator puts position positioner |
| CN108309342B (en) * | 2018-02-13 | 2021-03-30 | 日照市妇幼保健院 | Liftable image branch of academic or vocational study radiation protection inspection desk |
| CN108309342A (en) * | 2018-02-13 | 2018-07-24 | 练陈敏 | A kind of liftable image department radiation protection inspection desk |
| CN109276820A (en) * | 2018-11-15 | 2019-01-29 | 广州科莱瑞迪医疗器材股份有限公司 | A kind of real-time dynamic compensating system of radiotherapy respiratory movement and method |
| CN110665129A (en) * | 2018-12-25 | 2020-01-10 | 江苏海明医疗器械有限公司 | Revolution mechanism for medical accelerator treatment bed |
| CN109876311A (en) * | 2019-03-27 | 2019-06-14 | 陕西华明普泰医疗设备有限公司 | A kind of six degree of freedom radiation therapeutical bed |
| CN109876311B (en) * | 2019-03-27 | 2023-09-29 | 陕西华明普泰医疗设备有限公司 | Six-degree-of-freedom radiotherapy bed |
| WO2022057085A1 (en) * | 2020-09-15 | 2022-03-24 | 苏州雷泰医疗科技有限公司 | Treatment bed revolution structure and accelerator treatment bed |
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