Although the type of XHD150B-IO 800mA X-ray machine possesses a damage protection electric circuit for the main thyristors, with the first switch of photographic hand valve pressed, abnormal instant exposure still appears when double (in different phase) or more than three main thyristors are broken through, short-circuited or mis-energized, and consequently the high voltage element or X-ray machine will break down. Therefore the original electric circuit must be improved. Material: A few of leads. Method: We exchange the conjunction sequence of three NO (normal open) contacting points of radiograph high voltage preparing work relay--MAG SW- R with three reverse parallel connection of main thyristors. Conclusion: The normal procedure of radiographic exposure won't be disturbed after the improvement. When whichever one or more than two main thyristors is broken through, short-circuited or mis-energized, the spoilage can be detected instantly and the protection circuit works correspondingly, which guarantees the safety of X-ray machine.

Objective To evaluate methods of OP mesh spreading in preperitoneal tension-free repair of inguinal hernia via open anterior approach.Methods The clinical data of 1 528 cases underwent preperitoneal tension-free repair of inguinal hernia via open anterior approach from March 2012 to April 2015 was analyzed retrospectively.The methods of mesh crimp spreading, pectineal ligament suture fixation, pubic tubercle suture fixation and auxiliary support were used.Results The mesh crimp spreading method was used in 1 021 cases, pectineal ligament suture fixation method was used in 64 cases, pubic tubercle suture fixation method was used in 48 cases, auxiliary support method was used in 395 cases.Meshes were all well spreaded.Conclusions The four methods of mesh spreading are effective, simple, convenient and easy to use in preperitoneal tension-free repair of inguinal hernia via open anterior approach.

ObjectiveTo assess the effects of constraint-induced movement therapy(CIMT) on sub-acute stroke patients with upper extremity motor dysfunction.Methods63 patients with hemiplegia after stroke were divided into two groups: control group(31 cases) and CIMT group(32 casese). The two groups received the regular rehabilitation training for 14 d. Then the control group went on the the regular rehabilitation training, while the CIMT group received CIMT for 14 d. All patients were assessed by the Action Research Arm Test(ARAT) and Fugl-Meyer(FMA) on the first day, the 15th day and the 30th day after the treatment.ResultsARAT score and FMA scores were higher in CIMT group than in the control group 30 d after the treatment and in CIMT group 15 days after the treatment(P<0.001).ConclusionCIMT is more effective to improve the upper limb motor function of the sub-acute stroke patients than the regular rehabilitation training.

In this paper are analyzed the disadvantages of CGO-3000 digital subtraction angiography table Operating Box. The authors put forward a communication control scheme between single-chip microcomputer(SCM) and programmable logic controller(PLC). The details of hardware and software of communication are given.
Angiography, Digital Subtraction ; instrumentation ; Equipment Design ; Humans ; Image Processing, Computer-Assisted ; instrumentation ; Microcomputers ; Radiographic Image Enhancement ; instrumentation ; Software

Objective To assess the prognosis and effect on renal function of pediatric urolithiasis caused by melamine-contaminated milk powder (PUMMP) in a long-term follow-up.Methods One hundred and two of 8335 children (≤ 6-year-old) with history of consuming melamine-contaminated milk powder screened in our hospital were followed up for eighteen months after diagnosis. Urinary system ultrasonography, urinalysis, urinary microprotein profiles [microalbumin (ALBU), immunoglobulin G (IgG), and N-acetyl-β-D-glucosidase (NAG)], urinary melamine and cyanuric acid were examined in the first visit and at the end of follow-up. Results Follow-up was completed in 91 children and the stone was excreted in 82 children (90.1%).Stones less than 5 mm in diameter were most vulnerable to discharge, and stones larger than 10 mm could not be expelled without interventions. At the end of follow-up, no melamine or cyanuric acid was found in the urine samples of 74 patients. Urinalysis showed that incidences of proteinuria, microscopic hematuria and leukocyturia were 0%, 5.1% and 2.0%, which were significant different from those in the first visit (Pproteinutria=0.123, Phemnatuna=0.038 and Pleukocyhuris=0.005).Urinary microprotein profiles revealed that some children whose urinalysis was normal still presented glomerular and renal tubular injury and the abnormal rates were 8.8% and 12.1%respectively. The glomerular injury was mainly related to persistent stone, male and younger.Conclusions 90.1% of children with PUMMP passes urinary stones at the end of follow-up.Stone size is the major risk factor of discharge. No melamine or cyanuric acid is found in the urine of children. After eighteen months, glomerular and renal tubular injury is still found in some patients. Further follow-up is necessary.

Objective:To discuss the inhibitory effect of Schisandrin B on the proliferation of pancreatic cancer Pan02 cells,and to clarify the mechanism.Methods:CCK-8 method was used to detect the proliferation rates of the Pan02 cells after treated with different concentrations(0,0.78,1.56,3.12,6.25,12.50,and 25.00 mg·L-1)of Schisandrin B to select the optimal concentration and treatment time of Schisandrin B.The mouse pancreatic cancer Pan02 cells were divided into control group(0 mg·L-1 Schisandrin B),2.5 mg·L-1 Schisandrin B group,5.0 mg·L-1 Schisandrin B group,and 10.0 mg·L-1 Schisandrin B group.The morpholoy of Pan02 cells invarious groups was observed with light microscope;5-ethynyl-2'-deoxyuridine(EdU)staining assay was used to detect the positive expression rates of the Pan02 cells in various groups;flow cytometry was used to detect the percentages of the Pan02 cells at different cell cycles and the apoptotic rates of the cells in various groups;Western blotting method was used to detect the expression levels of cell cycle and apoptosis-related proteins in the cells in various groups.Results:The CCK-8 method results showed that after treated with Schisandrin B for 48 and 72 h,compared with 0 mg·L-1 Schisandrin B,the proliferation rates of the Pan02 cells after treated with different concentrations of Schisandrin B were decreased(P<0.01),especially at 72 h.0.25,5.0,and 10.0 mg·L-1 Schisandrin B were selected to treat the Pan02 cells,and 72 h was the treatment time.In control group,the Pan02 cells had a spindle shape,with good condition,and grew closely adhered to the wall with normal organelles and cytoplasm,in 2.5 and 5.0 mg·L-1 Schisandrin B groups,the cell volume was decreased,the intercellular adhesion was disappeared,and the cell membrane was intact but more permeable;the cytoplasm shrank and vacuolar structures appeared inside the cells,with some fragmented and floating on the surface of the solution;in 10.0 mg·L-1 Schisandrin B group,the Pan02 cells exhibited notable apoptotic bodies,indicating an apoptotic state.The EdU staining results showed that compared with control group,the rates of EdU positive cells in 2.5,5.0,and 10.0 mg·L-1 Schisandrin B groups were significantly decreased(P<0.01).The flow cytometry results showed that compared with control group,the percentages of the cells at S phase in 2.5,5.0,and 10.0 mg·L-1 Schisandrin B groups were significantly increased(P<0.01),while the percentages of the cells at G2/M phase were significantly decreased(P<0.01),and the percentages of the cells at G0/G1 phase in 5.0 amd 1.0 mg·L-1 Schisandrin groups were decreased(P<0.01);compared with control group,the apoptotic rates of the cells in 2.5,5.0,and 10.0 mg·L-1 Schisandrin B groups were significantly increased(P<0.01).The Western blotting results showed that compared with control group,the expression levels of p27,B-cell lymphoma 2(Bcl-2)associated X protein(Bax),cleaved cysteine aspartic acid protease-3(cleaved Caspase-3),and cleaved poly adenosine diphosphate(ADP)ribose polymerase(cleaved PARP)proteins in the cells in 2.5 mg·L-1 Schisandrin B group were significantly increased(P<0.05 or P<0.01),the expression levels of cyclin A2,cyclin E2,and Bcl-2 proteins in the cells in 5.0 and 10.0 mg·L-1 Schisandrin B groups were significantly decreased(P<0.05 or P<0.01),while the expression levels of p27,Bax,cleaved Caspase-3,and cleaved PARP proteins in the cells in 5.0 and 10.0 mg·L-1 Schisandrin B groups were significantly increased(P<0.01).Conclusion:Schisandrin B has an inhibitory effect on proliferation of the pancreatic cancer Pan02 cells,and its mechanism may be related to the activation of the cysteine aspartic acid protease-3(Caspase-3)pathway to induce the apoptosis and activating p27 protein to induce the arrest of cell cycle at S phase.