We present a design of an acoustic levitator consisting of three pairs of opposite transducer arrays.Three orthogonal standing waves create a large number of acoustic traps at which the particles are levitated in mid-...We present a design of an acoustic levitator consisting of three pairs of opposite transducer arrays.Three orthogonal standing waves create a large number of acoustic traps at which the particles are levitated in mid-air.By changing the phase difference of transducer arrays,three-dimensional manipulation of particles is successfully realized.Moreover,the relationship between the translation of particles and the phase difference is experimentally investigated,and the result is in agreement with the theoretical calculation.This design can expand the application of acoustic levitation in many fields,such as biomedicine,ultrasonic motor and new materials processing.展开更多
Objective:To evaluate the clinical efficacy of sinew-regulating and bone-setting manipulation(SRBSM)combined with Xiaoyu Jiegu Powder(XYJGP)in treating knee osteoarthritis(KOA).Methods:Sixty patients were randomly div...Objective:To evaluate the clinical efficacy of sinew-regulating and bone-setting manipulation(SRBSM)combined with Xiaoyu Jiegu Powder(XYJGP)in treating knee osteoarthritis(KOA).Methods:Sixty patients were randomly divided into treatment group(30 cases)and control group(30 cases).The treatment group was treated with SRBSM combined with XYJGP and the control group was given intermediate frequency electrotherapy and XYJGP.Visual Analogue Scale(VAS).The Western Ontario and McMaster Universities Osteoarthritis Index(WOMAC),Flexion range of motion of the knee joint,and surface electromyography(sEMG)were used to evaluate and compare the patients'knee function before and after treatment.The efficacy was observed with diagnosis and efficacy standards of TCM.Results:After treatment,compared with the same group before treatment,muscle fatigue and muscle tension decreased,pain was reduced,range of motion of the knee joint was increased,and motor function was improved(P<0.05).The improvement degree of the treatment group was better than that of the control group(P<0.05).The total effective rate of the treatment group was 96.6%(29/30),higher than that of the control group(80.0%),P<0.05.Conclusion:SRBSM combined with XYJGP can effectively reduce the pain of KOA patients,improve the range of motion of the joints,and improve the quality of life of the patients,and its curative effect is better than that of intermediate frequency electrotherapy combined with XYJGP.展开更多
BACKGROUND Comminuted calcaneal fractures present significant treatment challenges.Open reduction and internal fixation carries risks such as infection and skin necrosis,while minimally invasive techniques may comprom...BACKGROUND Comminuted calcaneal fractures present significant treatment challenges.Open reduction and internal fixation carries risks such as infection and skin necrosis,while minimally invasive techniques may compromise reduction stability.Conservative management is generally limited to minimally displaced fractures.Traditional Chinese manual bone-setting has a long history in fracture treatment and is renowned globally for achieving functional reduction.It offers distinct advantages including lower cost,minimal soft tissue trauma,and the avoidance of expensive reduction equipment or internal fixation materials.CASE SUMMARY A 60-year-old female presented with left foot pain and limited mobility following a fall.Computed tomography scan revealed a Sanders type IV calcaneal fracture with a Böhler angle of 0°.A standardized,stepwise Traditional Chinese manual bone-setting was initially performed,followed by percutaneous screw fixation through several mini-incisions after satisfactory alignment was confirmed under fluoroscopy.The Visual Analog Scale score decreased from 5 on postoperative day 1 to 3 by day 3.The American Orthopaedic Foot and Ankle Society score improved from 73 at 6 weeks to 90 at 3 months,indicating rapid functional recovery and high patient satisfaction.At 7 months postoperatively,the American Orthopaedic Foot and Ankle Society score reached 95,prompting removal of internal fixation.At the 6-year follow-up,reduction remained well maintained,with the Böhler angle preserved at 22°.CONCLUSION The combination of Traditional Chinese manual bone-setting and percutaneous screw fixation achieved satisfactory functional reduction for comminuted calcaneal fractures.展开更多
Ninety-four patients with lumbar intervertebral disc herniation were enrolled in this study. Of these, 48 were treated with Feng＇s Spinal Manipulation, hot fomentation, and bed rest （treatment group）. The remaining...Ninety-four patients with lumbar intervertebral disc herniation were enrolled in this study. Of these, 48 were treated with Feng＇s Spinal Manipulation, hot fomentation, and bed rest （treatment group）. The remaining 46 patients were treated with hot fomentation and bed rest only （control group）. After 3 weeks of treatment, clinical parameters including the angle of straight-leg raising, visual analogue scale pain score, and Japanese Orthopaedic Association score for low back pain were improved. The treatment group had significantly better improvement in scores than the control group. Magnetic resonance myelography three-dimensional reconstruction imaging of the vertebral canal demonstrated that filling of the compressed nerve root sleeve with cerebrospinal fluid increased significantly in the treatment group. The diameter of the nerve root sleeve was significantly larger in the treatment group than in the control group. However, the sagittal diameter index of the herniated nucleus pulposus and the angle between the nerve root sleeve and the thecal sac did not change significantly in either the treatment or control groups. The effectiveness of Feng＇s Spinal Manipulation for the treatment of symptoms associated with lumbar intervertebral disc herniation may be attributable to the relief of nerve root compression, without affecting the herniated nucleus pulposus or changing the morphology or position of the nerve root.展开更多
Holograms provide a characteristic manner to display and convey information, and have been improved to provide better user interactions Holographic interactions are important as they improve user interactions with vir...Holograms provide a characteristic manner to display and convey information, and have been improved to provide better user interactions Holographic interactions are important as they improve user interactions with virtual objects. Gesture interaction is a recent research topic, as it allows users to use their bare hands to directly interact with the hologram. However, it remains unclear whether real hand gestures are well suited for hologram applications. Therefore, we discuss the development process and implementation of three-dimensional object manipulation using natural hand gestures in a hologram. We describe the design and development process for hologram applications and its integration with real hand gesture interactions as initial findings. Experimental results from Nasa TLX form are discussed. Based on the findings, we actualize the user interactions in the hologram.展开更多
BACKGROUND Lumbar disc herniation(LDH)has emerged as one of the most common causes of low back pain.The routine treatment approach involves chemonucleolysis therapy,discectomy by percutaneous endoscopy,and percutaneou...BACKGROUND Lumbar disc herniation(LDH)has emerged as one of the most common causes of low back pain.The routine treatment approach involves chemonucleolysis therapy,discectomy by percutaneous endoscopy,and percutaneous laser disc decompression.Unfortunately,all of these methods carry inherent risk of causing harm to the patient and,as such,there is an unmet but urgent need for an effective and safe noninvasive treatment for LDH.The purpose of this report is to describe a non-invasive method for re-absorption of LDH.CASE SUMMARY A 34-year-old woman was admitted with a complaint of waist pain that she reported as having become acutely aggravated over the past 3 d and accompanied by discomfort in the right lower limb.Her self-reported medical history included persistent postpartum low back pain from 7 years prior.Physical exam showed positivity for neck flexion test(Lindner sign)and supine abdomen test;the straight leg-raising test showed right 60(+)and left 80(-).Findings from standard imaging(magnetic resonance)and collective physical examinations indicated a L5/S1 herniated lumbar disc.Treatment consisted of three-dimensional(balanced regulating)spinal manipulation and acupuncture,upon which the LDH resolved by retraction.CONCLUSION Following L5/S1 herniated lumbar disc diagnosis,three-dimensional(balanced regulating)spinal manipulation combined with acupuncture therapy is an effective treatment.展开更多
This paper describes the development of an intelligent automated control system of a robot manipulator for plasma treatment of medical implants with complex shapes.The two-layer coatings from the Ti wire and hydroxyap...This paper describes the development of an intelligent automated control system of a robot manipulator for plasma treatment of medical implants with complex shapes.The two-layer coatings from the Ti wire and hydroxyapatite powders are applied on the surface of Ti medical implants by microplasma spraying to increase the biocompatibility of implants.The coating process requires precise control of a number of parameters,particularly the plasma spray distance and plasma jet traverse velocity.Thus,the development of the robotic plasma surface treatment involves automated path planning.The key idea of the proposed intelligent automatic control system is the use of data of preliminary three-dimensional (3D) scanning of the processed implant by the robot manipulator.The segmentation algorithm of the point cloud from laser scanning of the surface is developed.This methodology is suitable for robotic 3D scanning systems with both non-contact laser distance sensors and video cameras,used in additive manufacturing and medicine.展开更多
基金Supported by the Beijing College Students’Innovation and Entrepreneurship Training Program under Grant No BJ17040
文摘We present a design of an acoustic levitator consisting of three pairs of opposite transducer arrays.Three orthogonal standing waves create a large number of acoustic traps at which the particles are levitated in mid-air.By changing the phase difference of transducer arrays,three-dimensional manipulation of particles is successfully realized.Moreover,the relationship between the translation of particles and the phase difference is experimentally investigated,and the result is in agreement with the theoretical calculation.This design can expand the application of acoustic levitation in many fields,such as biomedicine,ultrasonic motor and new materials processing.
基金Key natural fund projects of Anhui provincial department of education(No.KJ2018A0273)。
文摘Objective:To evaluate the clinical efficacy of sinew-regulating and bone-setting manipulation(SRBSM)combined with Xiaoyu Jiegu Powder(XYJGP)in treating knee osteoarthritis(KOA).Methods:Sixty patients were randomly divided into treatment group(30 cases)and control group(30 cases).The treatment group was treated with SRBSM combined with XYJGP and the control group was given intermediate frequency electrotherapy and XYJGP.Visual Analogue Scale(VAS).The Western Ontario and McMaster Universities Osteoarthritis Index(WOMAC),Flexion range of motion of the knee joint,and surface electromyography(sEMG)were used to evaluate and compare the patients'knee function before and after treatment.The efficacy was observed with diagnosis and efficacy standards of TCM.Results:After treatment,compared with the same group before treatment,muscle fatigue and muscle tension decreased,pain was reduced,range of motion of the knee joint was increased,and motor function was improved(P<0.05).The improvement degree of the treatment group was better than that of the control group(P<0.05).The total effective rate of the treatment group was 96.6%(29/30),higher than that of the control group(80.0%),P<0.05.Conclusion:SRBSM combined with XYJGP can effectively reduce the pain of KOA patients,improve the range of motion of the joints,and improve the quality of life of the patients,and its curative effect is better than that of intermediate frequency electrotherapy combined with XYJGP.
基金Supported by Jin-Wen Liu Academic Experience Heritage Studio Special Fund of National Famous Traditional Chinese Medicine,No.75.
文摘BACKGROUND Comminuted calcaneal fractures present significant treatment challenges.Open reduction and internal fixation carries risks such as infection and skin necrosis,while minimally invasive techniques may compromise reduction stability.Conservative management is generally limited to minimally displaced fractures.Traditional Chinese manual bone-setting has a long history in fracture treatment and is renowned globally for achieving functional reduction.It offers distinct advantages including lower cost,minimal soft tissue trauma,and the avoidance of expensive reduction equipment or internal fixation materials.CASE SUMMARY A 60-year-old female presented with left foot pain and limited mobility following a fall.Computed tomography scan revealed a Sanders type IV calcaneal fracture with a Böhler angle of 0°.A standardized,stepwise Traditional Chinese manual bone-setting was initially performed,followed by percutaneous screw fixation through several mini-incisions after satisfactory alignment was confirmed under fluoroscopy.The Visual Analog Scale score decreased from 5 on postoperative day 1 to 3 by day 3.The American Orthopaedic Foot and Ankle Society score improved from 73 at 6 weeks to 90 at 3 months,indicating rapid functional recovery and high patient satisfaction.At 7 months postoperatively,the American Orthopaedic Foot and Ankle Society score reached 95,prompting removal of internal fixation.At the 6-year follow-up,reduction remained well maintained,with the Böhler angle preserved at 22°.CONCLUSION The combination of Traditional Chinese manual bone-setting and percutaneous screw fixation achieved satisfactory functional reduction for comminuted calcaneal fractures.
基金supported by grants from the Key Topics of China Traditional Chinese Medicine Scientific Research Project,General Logistics Department of Chinese PLA,No.10ZYZ125the Army Medical Science and Technology the125Scientific Research Projects,Chinese PLA,No.AKJ11J004
文摘Ninety-four patients with lumbar intervertebral disc herniation were enrolled in this study. Of these, 48 were treated with Feng＇s Spinal Manipulation, hot fomentation, and bed rest （treatment group）. The remaining 46 patients were treated with hot fomentation and bed rest only （control group）. After 3 weeks of treatment, clinical parameters including the angle of straight-leg raising, visual analogue scale pain score, and Japanese Orthopaedic Association score for low back pain were improved. The treatment group had significantly better improvement in scores than the control group. Magnetic resonance myelography three-dimensional reconstruction imaging of the vertebral canal demonstrated that filling of the compressed nerve root sleeve with cerebrospinal fluid increased significantly in the treatment group. The diameter of the nerve root sleeve was significantly larger in the treatment group than in the control group. However, the sagittal diameter index of the herniated nucleus pulposus and the angle between the nerve root sleeve and the thecal sac did not change significantly in either the treatment or control groups. The effectiveness of Feng＇s Spinal Manipulation for the treatment of symptoms associated with lumbar intervertebral disc herniation may be attributable to the relief of nerve root compression, without affecting the herniated nucleus pulposus or changing the morphology or position of the nerve root.
文摘Holograms provide a characteristic manner to display and convey information, and have been improved to provide better user interactions Holographic interactions are important as they improve user interactions with virtual objects. Gesture interaction is a recent research topic, as it allows users to use their bare hands to directly interact with the hologram. However, it remains unclear whether real hand gestures are well suited for hologram applications. Therefore, we discuss the development process and implementation of three-dimensional object manipulation using natural hand gestures in a hologram. We describe the design and development process for hologram applications and its integration with real hand gesture interactions as initial findings. Experimental results from Nasa TLX form are discussed. Based on the findings, we actualize the user interactions in the hologram.
基金Supported by Major Science and Technology Innovation Projects of Shandong Province,No.2018CXGC1310Natural Foundation of Shandong Province,No.ZR2019MH134+2 种基金Project of Jinan"20 Universities",No.2019GXRC040Shandong Institute of Advanced Technology,Chinese Academy of Sciences,No.YJZX003Collaborative Innovation Center Project of quality Control of traditional Chinese Medicine and Construction of whole Industry chain in Colleges and Universities of Shandong Province,No.CYLXTCX2020-04.
文摘BACKGROUND Lumbar disc herniation(LDH)has emerged as one of the most common causes of low back pain.The routine treatment approach involves chemonucleolysis therapy,discectomy by percutaneous endoscopy,and percutaneous laser disc decompression.Unfortunately,all of these methods carry inherent risk of causing harm to the patient and,as such,there is an unmet but urgent need for an effective and safe noninvasive treatment for LDH.The purpose of this report is to describe a non-invasive method for re-absorption of LDH.CASE SUMMARY A 34-year-old woman was admitted with a complaint of waist pain that she reported as having become acutely aggravated over the past 3 d and accompanied by discomfort in the right lower limb.Her self-reported medical history included persistent postpartum low back pain from 7 years prior.Physical exam showed positivity for neck flexion test(Lindner sign)and supine abdomen test;the straight leg-raising test showed right 60(+)and left 80(-).Findings from standard imaging(magnetic resonance)and collective physical examinations indicated a L5/S1 herniated lumbar disc.Treatment consisted of three-dimensional(balanced regulating)spinal manipulation and acupuncture,upon which the LDH resolved by retraction.CONCLUSION Following L5/S1 herniated lumbar disc diagnosis,three-dimensional(balanced regulating)spinal manipulation combined with acupuncture therapy is an effective treatment.
基金supported by the Science Committee of RK MES under the Grant No. AP05130525。
文摘This paper describes the development of an intelligent automated control system of a robot manipulator for plasma treatment of medical implants with complex shapes.The two-layer coatings from the Ti wire and hydroxyapatite powders are applied on the surface of Ti medical implants by microplasma spraying to increase the biocompatibility of implants.The coating process requires precise control of a number of parameters,particularly the plasma spray distance and plasma jet traverse velocity.Thus,the development of the robotic plasma surface treatment involves automated path planning.The key idea of the proposed intelligent automatic control system is the use of data of preliminary three-dimensional (3D) scanning of the processed implant by the robot manipulator.The segmentation algorithm of the point cloud from laser scanning of the surface is developed.This methodology is suitable for robotic 3D scanning systems with both non-contact laser distance sensors and video cameras,used in additive manufacturing and medicine.
