This article discusses the composing of the rise-and-fall sickbed which is based on infrared remote control technology, the design and working principle of the sickbed mechanical structure and the design and working principle of the infrared remote control circuit. It is convenient, reliable, endurable and cheap.

Objective To explore the morbidity, manifestation, pathogenesis and diagnosis of acquired immune deficiency syndrome( AIDS)-related lesions in digestive system. Methods The complete history interview, physical examination and diagnostic test were made in a total of 1000 heroin addictors with intravenous injection. Seventy-two of them were selected as AIDS based on the diagnosis criteria on HIV/AIDS of Centers for Disease Control(CDC) (CD4+ T cell count lower than 400/?l and human immunodeficiency virus ( HIV) load higher than 400 copies/ml). Results Main clinical manifestations of AIDS were persistent low fever, diarrhea, progressive exhaustion, opportunistic infection, tumorgenesis and multiple organ impairment. The morbidity of AIDS-related lesions in digestive system ranged from 1.4% to 98. 6%. Oropharyngeal and gastrointestinal lesions occurred in 71 cases (98.6%), while hepatic, biliary and pancreatic impairment occurred in 59 cases (81. 9%). Conclusions AIDS-related lesions in digestive system are common in AIDS patients which are mainly caused by HIV invasion, opportunistic infection, tumorgensis and immune system impairment.

OBJECTIVE: To investigate the relationship between visceral syndrome differentiation in traditional Chinese medicine (TCM) and the changes of nutrition status or blood gas analysis in patients with chronic obstructive pulmonary disease (COPD). METHODS: Sixty patients with COPD in stable phase were divided into dysfunction of lung (DL, n=20) group, dysfunction of lung and spleen (DLS, n=16) group and dysfunction of lung, spleen and kidney (DLSK, n=24) group according to syndrome differentiation of TCM. Moreover, the basic electric rhythm, percentage of bradygastria in electrogastrogram (EGG), ratio of actual body weight (ABW) to ideal body weight (IBW) and serum albumin level were determined to evaluate the nutrition status of the patients with COPD. Blood gas analysis was made too. RESULTS: The basic electric rhythm values in the DL, DLS and DLSK groups were (56.20+/-13.24)%, (47.38+/-10.24)% and (41.35+/-10.01)%, respectively. Compared with the DL group, the basic electric rhythm values in the DLS and DLSK groups decreased obviously (P<0.05). The percentages of bradygastria in the DL, DLS and DLSK groups were (45.18+/-18.13)%, (46.31+/-15.83)% and (49.90+/-17.54)%, respectively, and there were no differences among the three groups (P>0.05). The incidence rates of ABW/IBW<90% in the DL, DLS and DLSK groups were 50%, 75% and 54.17%, respectively, and there were no differences among the three groups (P>0.05). The incidence rates of serum albumin less than 35 g/L were 20%, 37.5% and 54.17%, respectively, and there were no differences among the three groups (P>0.05). PO2 in the DLS group [(63.56+/-15.06) mmHg] and DLSK group [(63.17+/-19.05) mmHg] were decreased as compared with the DL group [(78.15+/-16.63) mmHg] (P<0.05). PCO2 in the DL, DLS and DLSK groups were (42.25+/-12.46) mmHg, (48.60+/-17.60) mmHg and (49.97+/-13.43) mmHg respectively, and there were no differences among the three groups (P>0.05). CONCLUSION: Several dysfunction organs described in TCM were involved in COPD followed by the increased severity, hypoxemia and PCO2. Dysfunction of gastrointestinal tract and malnourishment took place accordingly.

Objective To explore the effects of calcitonin gene-related peptide (CGRP) on proliferation of vascular endothelial cells (VECs) and osteogenic differentiation of bone mesenchymal stem cells (BMSCs) of osteoporotic rats in vitro,and cell/ molecular mechanism of promoting osteoporotic fracture healing.Methods 10 3-month-old SD rats were employed to make osteoporosis model by taking bilateral ovariectomy.Micro-CT analysis was used to determine the success of modeling at 6 months of postoperation.BMSCs and VECs were isolated from osteoporotic rats by blood adherence mcthod.10-7-10-10 mol/L CGRP were added to the culture medium.CCK-8 method was used to examine the cell proliferation.Effect of CGRP on osteogenic differentiation of BMSCs:Alkaline phosphatase (ALP) activity,and reverse transcription polymerase chain reaction (RT-PCR) were used to detect the expression of ALP,Collagen Ⅰ,BMP-2,Osteonectin and RunX2 gene.Effect of CGRP on vascularization of VECs:Vascular cell endothelial growth factor (VEGF) protein secretion and gene expression level were tested by ELISA and RT-PCR.Resuits BMSCs and VECs of osteoporotic rats were isolated successfully.The optical density (OD) values of CCK-8 method increased in a dose-dependent manner,for BMSCs at 7 d,the control group of OD value was 0.58±0.02,the CGRP group 10-7-10-10 mo]/L was to 0.80±0.03,0.79±0.03,0.74±0.03,0.69±0.03,difference was significant;for VECs,the control group of OD value was 2.20±0.01,the CGRP group 10-7-10-10 mol/L was to 4.12±0.04,3.90±0.02,3.56±0.04,3.12±0.04,difference was significant.Effect of CGRP on osteogenic differentiation of BMSCs:Alkaline phosphatase (ALP) activity,and reverse transcription polymerase chain reaction (RT-PCR) were used to detect the expression of ALP,Collagen Ⅰ,BMP-2,Osteonectin and RunX2 gene.Effect of CGRP on vascularization of VECs:Vascular cell endothelial growth factor (VEGF) protein secretion and gene expression level were tested by ELISA and RT-PCR,difference between the control group and CGRP group were all significant.Conclusion 10-7 mol/L,10-10 mol/L of CGRP can directly promote the proliferation of the BMSCs and VECs of osteoporotic rats,promote the osteogenic differentiation of BMSCs,improve the expression of VEGF gene and protein secretion,promote angiogenesis.

Objective To describe CT and MRI imaging findings of retinal hamartomas with tuberous sclerosis and evaluate their clinical value. Design Retrospective case series. Participants 7 patients of tuberous sclerosis complex (TSC) who have ocular lesions found with CT and MRI examination. Methods 7 patients with tuberous sclerosis were diagnosed by clinical data and head CT. The size, morphology, density and enhancing situation of the retinal lesions were observed with CT and MR.I, as while as with direct or indi-rect fundoscopy. Main Outcome Measures CT and MRI features of ocular lesions. Results 7 cases displayed intraeranial calcification and/or non-calcified tubercles, situating in subendyrna (7 cases, accounting for 100%) by head CT. Orbital CT and MRI showed 4 cases (57.1%) of flat retinal hamartomas 3 cases (42.9%) 9f retinal lobular and nodular hamartomas, 2 cases(28.6%) scattered calcification patches in hamartoma, and 2 cases (28.6%) of nanophthalmos. The lesions displayed unenhancement on contrast-enhanced MR images in 7 cases(100%) . There was 1 case (14.3%) of progressive retinal astrocytic hamartoma. Conclusion The examination of CT and MRI may find the bigger retinal hamartomas, which can play a very important role at the diagnosis with the help of whole brain examination. For progressive retinal nstrocytic hamartoma,systemic evaluation with CT and MRI can provide evidence for choosing appropriate thera-pies. (Ophthalmol CHN, 2009, 18: 257-260)

Objective To investigate the diagnostic value of transrectal ultrasonography (TRUS)for female traumatic urethral stricture.Methods Fifteen female patients with traumatic urethral stricture were examined by using TRUS and urethrography and the examination results were compared with op-eration findings.Results The ultrasonography results of all patients were in consistency with their operation findings,while the urethrography results of six patients were different from their operation findings.Conclusion TRUS is of great value in the diagnosis of female traumatic urethral stricture.

Objective To analyse protein tyrosine phosphatase 1B (PTP1B) gene mutation in myeloproliferative neoplasms (MPN).Methods DNA sequencing technology was used to detect DNA sequences of PTP1B in MPN patients (n =84) and normal controls (n =37).Results For Exon1-6,Exon9 and Exon10,84 cases of MPN patients and 37 cases of control group were not detected mutation.For EXON 8,18 of 84 MPN patients had Exon8 C/T heterozygous mutation and 10 of 37 normal controls were detected C/T heterozygous mutation.There was no significant difference between MPN patients and normal controls (x2 =0.453,P =0.501).Exon7 was detected in 38 MPN patients and 2 cases of patients were found C/T heterozygous mutation,while in the control group,1 case with G/C heterozygous mutation.All of the cases were not detected homozygous mutation.Conclusion Using DNA sequencing technology to detect gene mutations of PTP1B,there is no significant difference between MPN patients and normal controls.

0.05).EBV-specific IgM was detected more frequently in patients than that in controls(P

Objective To better understand and manage the current situation and problems of patent transformation in university affiliated hospital.Methods we conducted the statistical analysis the quantity of patent authorization in the Peking University People's Hospital during 2002-2013,and the status of patent transformation.Results The quantity of patent authorization increased significantly,however the number of patent transformation is small,with low proportion.Meantime,the transformation period is long,with single mode.Conclusions the hospital should be strengthened for all patent life-cycle management,and strengthen the emphasis on the conversion work to build integrated management team,in particular by building technological achievements promotion platform,improve the incentive mechanism to strengthen the franchise use of the work.

Objective To investigate the levels of serum surfactant protein D (SP-D) and mannosebinding lectin (MBL) in infants with cytomegalovirus (CMV) pneumonia with the severity of disease.Methods A total of 101 hospitalized infants with CMV pneumonia were enrolled from January 2011 to December 2012.These patients were divided as the severe pneumonia group (n =48) and the mild pneumonia group (n =53) according to physical sign of lung and complication.Another 55 infants who were hospitalized in the same period with non-infectious diseases were used as the control group.Serum levels of SP-D and MBL were detected by enzyme-linked immunosorbent assay.Blood gas analyzer was used to measure arterial partial pressure of oxygen (PaO2) of the blood in severe patients.Results The mean serum SP-D levels in the severe pneumonia group [(150.08 ±52.59)ng/ml] and the mild pneumonia group [(109.67 ±31.39)ng/ml] were significantly higher than those in control group [(41.33 ± 16.42) ng/ml] (P ＜ 0.01), and higher in the severe pneumonia group than in the mild pneumonia group (P ＜ 0.01).However, there was no significant difference in serum MBL between all groups (P ＞ 0.05).In severe patients, serum SP-D levels were negatively correlated with PaO2 (r =-0.565, P ＜ 0.01).Conclusion Serum SP-D is associated with the severity of CMV pneumonia, but MBL shows no relation.The serum SP-D levels has an important clinical significance in judgment the sererity of infants with CMV pneumonia.