A pilot study, a specially designed pillow may prevent developmental plagiocephaly by reducing pressure from the infant head

Developmental plagiocephaly (DP) has been an increasing problem since the successful “back to sleep campaign”. The referrals for DP have increased by >400% during the years 2004 to 2008. Many infants spend less time in the prone position nowadays and some of the risk factors for DP are as follows: less than 3 times per day for the tummy time, torticollis and slow achievement of motor milestones. There is a need for better information to the parents but also for other strategies to prevent DP. The aim of this study was to investigate the effect of a special pillow and thus to reduce pressure on the infant head. Method: infants aged zero to two months were included in the study. They were randomized to either intervention group or control group. Head shape was investigated on two occasions, on the second occasion motor development, mobility and muscle function of the neck were also investigated. The parents were asked about tummy time and sleep position. All infants were investigated by the same physical therapist, blinded to group belonging. Result: seven infants had CVAI >3.5 on the last assessment, five of these had not used any method to reduce pressure. Fishers exact test showed a tendency where infants with reduced pressure on the head had less DP (P 0.08). Paired t test showed significant decrease in CVAI for the infants who had had reduced pressure on the head (P 0.01). Among these infants the CVAI was zero for 47% in the last assessment. For the infants who had not had a reduction of pressure on the head, there was no indication of a decrease of CVAI (P 0.45), and only 12% of these infants had a CVAI that was zero in the last assessment. Conclusion: this pilot study shows that a specially designed pillow may prevent DP in young infants. However, a larger sample is needed to confirm or disprove this. The study is planned to go on until there are 200 participants.

Sleeping on an Anti-Wrinkle Pillow Reduces Facial Wrinkles: Results from an Anatomical Study

Background: A special pillow was designed to redistribute mechanical stress during sleeping in order to slow down the formation of facial skin wrinkles. Objective: To investigate whether sleeping on a specially designed pillow reduces facial skin wrinkles. Participants and Methods: A 28-day pilot study was carried out in which fifteen healthy female volunteers aged 23 - 55 years (mean age 35. 6 ± 8.5) slept on an antiwrinkle pillow. Evaluation of facial wrinkles was conducted before commencing the study (T0), following at 14 days (T14), and at 28 days (T28) when the study ended. Wrinkle density was assessed by computerized analysis of 2D images of participants’ faces. Results: A statistically significant decrease in wrinkle density was detected while smiling around both eyes, around the right eye in a relaxed facial expression, on average in all observed facial areas, around the left periorbital area in participants who predominantly slept on their left side of the body, but not on the frontal area. Limitations: A 3D camera could be used to better visualize and analyze wrinkle density. Conclusions: Sleeping on the specially designed pillow reduces facial wrinkles.

Peperites Associated Pillow Lavas within Ophiolites and New Insight to Tectonic Setting: Comparative Study between Oman and West Junggar of China

Peperites are generated by magma intruding and mingling with wet unconsolidated or poorly consolidated sediments.Late Paleozoic peperites have been identified in the Darbut and Baijiantan ophiolitic belts at West Junggar,NW China.The peperites form successions up to 500 m thick interbedded with basaltic lava(sometimes pillow lava)and sedimentary rocks(i.e.limestones).The peperites are described and interpreted as resulting from basaltic lava bulldozed into wet,unconsolidated sediments at their basal contacts.The peperitebearing units are generally undeformed,occurring in continuous stratigraphic sections distributed regionally over a distance of 100 km on either side of the Darbut and Baijiantan ophiolitic belts,in contrast to the highly deformed slices of ophiolite.They demonstrate that the Darbut and Baijiantan ophiolitic belts should not be interpreted as significant plate boundaries and represent the underlying ocean crust uplifted along tectonic lineaments within a continuous shallow remnant ocean basin.Jordan et al.(2008)reported an occurrence of peperite in the Oman—United Arab Emirates(UAE)border region.In this border area the field relations of the pillow lavas surrounded by limestone with deformed bedding and peperite boundaries between the pillows and the limestone are consistent with the pillow lavas forming directly within carbonate sediments.The pillow lavas in Oman-UAE border area likely have formed as intrusions into water-saturated carbonate sediments deposited along the edges of seamounts.Based on the comparative study on the peperites associated pillow lavas within ophiolites between West Junggar and Oman,this paper proposes that the ophiolites with peperites associated pillow lavas surrounded by limestone were not formed in a typical ocean basin,but a shallow remnant ocean basin.

A Specially Designed Pillow Can Decrease Developmental Plagiocephaly in Young Infants

Developmental plagiocephaly (DP) has been an increasing problem since the successful “back to sleep campaign”. The referrals for DP have increased by more than 400% during the years 2004 to 2008. Many infants spend less time in the prone position nowadays and some of the risk factors for DP are: tummy time less than 3 times per day, torticollis and slow achievement of motor milestones. Improved information for the parents is needed but also other strategies to prevent DP. This study is a continuum of an earlier pilot study;the aim was to investigate the effect of a pillow, designed to reduce pressure on the infant head. Method: Infants aged zero to two months were included in the study. They were randomized to either intervention group or control group. Head shape was investigated on two occasions, on the second occasion motor development, mobility and muscle function of the neck were also investigated. The parents were asked about tummy time and sleep position. All infants were investigated by the same physical therapist, blinded to group belonging. Result: Fishers exact test showed that it was more common with decreased CVAI among infants in the intervention group (P 0.001). Paired t test showed significant decrease in CVAI for the intervention group (P 0.002), but not for the control group (P 0.96). Conclusion: This study shows that a specially designed pillow can decrease DP in young infants.

Geochronology and Petrogenesis of the Pillow Basalts in Western Karamay from West Junggar,NW China

Recently, we carried out the National Nature Science Foundation of China （No. 41303027） and focused on pillow basalts in western Karamay from West Junggar. The detailed geological survey at a scale of 1：500 distinguished an assemblage of accretionary complex in western Karamay. The accretionary complex consists of pillow basalt, mudstone, turbidite and abyssal radiolarian chert interlayered with tuff （Fig. 1a）. The great concern in the study area is the large-scale pillow lava.

Study on the automatic process of line heating for pillow shape plate

This paper focuses on the process for pillow shape plate by line heating technique, which is widely applied in the production of ship hull. Based on the analysis of primary parameters and experimental data in line heating process, the amount of local contraction generated by line heating has been illustrated. Then, combining with the computational result of local deformation determined by shell plate development, an optimization method for line heating parameters has been studied. This prediction system may provide rational arrangements of heating lines and technical parameters of process. By integrating the prediction system into the line heating robot for pillow shape plate, the automatic process of line heating for pillow shape plate can be achieved.

Pillow飞片气炮加载实验的数值模拟研究

采用多介质弹塑性流体动力学计算方法,研制了适用于复杂加载的Lagrange计算程序MLEP,对劳伦斯利弗莫尔国家实验室(Lawrence Livermore National Laboratory,LLNL)19层和冲击波物理与爆轰物理国防科技重点实验室(Laboratory of Shock Wave andDetonation Physics,LSD)设计的29层Mg-Cu体系Pillow密度梯度飞片气炮加载实验过程进行了数值模拟和比较,获得的速度剖面计算结果与实验测试结果吻合一致,验证了流体动力学计算方法、不同材料体系混合模型以及计算程序的有效性和实用性,为进一步开展可控路径的复杂加载实验研究奠定了基础。

Ti-Cu-W体系Pillow飞片加载铋熔化再凝固过程计算分析

采用数值计算设计了Ti-Cu-W材料体系Pillow飞片,实现金属铋样品的冲击加载和准等熵加载,并通过实验研究铋的冲击熔化再凝固这一复杂的物理过程,实验获得的速度波剖面结果与数值模拟结果基本一致。还建立了金属铋的包含5个固相和1个液相的完全物态方程,计算相图的三相点以及高压区的Hugoniot线与实验数据吻合较好,计算还获得了冲击加载再凝固实验中的温度信息和相变信息。通过计算分析和对实验数据的解读,认为Ti-Cu-W材料体系Pillow飞片加载可以用于铋的冲击熔化再凝固复杂物理过程研究,为实验探索研究建立了适用的研究方法和有效的技术手段。

玲珑枕制作技艺信息可视化设计研究

玲珑枕作为我国优秀传统非物质文化遗产之一,历史悠久,具有特有的艺术呈现,其历史文化艺术特色理应传承与保护。文章首先从信息可视化进行阐述,并对玲珑枕概况进行论述,从而提出信息可视化设计与玲珑枕结合的意义,将玲珑枕进行相关信息系统整理归纳和分级,并基于玲珑枕信息可视化设计原则,对玲珑枕制作技艺等相关信息进行可视化设计。利用信息可视化设计对玲珑枕文化进行创新式呈现。为人们提供了更新颖、直接的视觉获取信息体验,扩大玲珑枕信息传播范围,也在一定程度上推动了玲珑枕文化的保护与传承。

3D打印颈椎枕的压力疼痛评估及信度分析

目的:通过信度分析压痛测量仪评估颈肩部压痛的可靠性,并为3D打印个性化颈椎枕的临床效果评估提供新方式。方法:选取健康受试者36例,分别由2位评估者使用压痛测量仪对其颈肩部肌肉的7个测量点进行2次压痛阈测量,间隔7天后再次测量,采用Spearson相关系数计算评估者内和评估者间的信度,并使用Mann-Whitney U检验比较男性与女性的压痛阈值(pressure pain thresholds,PPT)。个性化颈椎枕使用前后,使用压痛测量仪对13例颈椎病患者选取具有代表性的4个测量点进行PPT测量,用以评估3D打印颈椎枕的治疗效果。结果:除了受测点C5、C6的棘突间旁1cm右侧和肩胛上角左侧外,各受测点评估者内信度均>0.65,各受测点评估者间信度均>0.75,可信度高;C5、C6的棘突间旁1cm右侧和肩胛上角左侧的评估者内组内相关系数(intraclass correlation coefficient,ICC)分别为0.65和0.56,中等信度(P<0.01);健康男性的斜方肌右侧、肩胛上角R、C5、C6的棘突间旁1cm左侧平均值要大于女性(P<0.05);斜方肌右侧、C5、C6的棘突间旁1cm右侧和C5、6的棘突间旁1cm左侧受测点3D打印颈椎枕治疗后的PPT平均值比治疗前大,差异具有显著性意义(P<0.05),说明疼痛有改善。结论:压痛测量仪评估正常健康人颈部压痛阈值信度较高,该方法稳定可靠,可作为3D打印颈椎枕临床效果评估的有效工具。

Zircon U-Pb and geochemical analyses for leucocratic intrusive rocks in pillow lavas in the Danfeng Group,north Qinling Mountains,China

Field observation showed that there are many irregular leucocratic intrusive rocks in pillow lavas in the Danfeng Group in the Xiaowangjian area, north Qinling orogenic belt. Photomicrographs indicated that the protoliths of those altered leucocratic intrusive rocks are dioritic rocks. Geochemical analyses showed that pillow lavas have a range of SiO2 from 47.35% to 51.20%, low abundance of TiO2 from 0.97% to 1.72%, and percentages of MgO (MgO#=41―49). Chondrite-normalized REE patterns of pillow lavas are even, indicative of a weak differentiation between LREE and HREE (La/YbN=1.52―0.99). N-MORB-normalized trace element abundances showed that pillow lavas are enriched in incompatible elements (e.g., K, Rb, and Ba). Leucocratic intrusive rocks in pillow lavas have a wide range of SiO2 from 53.85%―67.20%, low abundances of TiO2 from 0.51%―1.10%, and MgO (MgO#=40―51), and higher percentages of Al2O3 (13.32%―16.62%) and concentration of Sr (342-539 μg/g), ratios of Na2O/K2O (2―7) and Sr/Y (17―28). Chondrite-normalized REE patterns of leucocratic intrusive rocks showed highly differentiation between LREE and HREE (La/YbN=12.26―19.41). N-MORB-normalized trace element abundances showed that leucocratic intrusive rocks are enriched in incompatible elements (e.g., K, Rb, and Ba), and significantly depleted in HFSE (e.g., Nb, Ta, Zr and Ti), indicative of a relationship to subduction. Isotopically, leucocratic intrusive rocks have a similar εNd(t) (+7.45―+13.14) to that of MORB (+8.8―+9.7), which indicates that those leucocratic intrusive rocks sourced from depleted mantle most likely. SHRIMP U-Pb analyses for zircon showed that those leucocratic intrusive rocks were formed at 442±7 Ma, yielding an age of subduction in the early Paleozoic in the north Qinling orogenic belt.

Characteristics of the island-arc pillow lavas from southeast Yunnan Province, and its tectonic implications for Paleo-Tethys in South China

Based on the geological mapping, it is suggested that the pillow lavas exposed in Jianshui area in southeastern Yunnan Province are emplaced into the western part of Shizong-Mile faults, the boundary between the Yangtze and Cathaysian blocks, and mainly composed of tectonic massive of basalts and basaltic andsites. The geological and geochemical studies show that these lavas erupted in an island arc tectonic setting, which suggests that there existed the subduction of oceanic crust between the Yangtze and Cathaysian blocks. The paleontological fossils in the sedimentary interlayers between the volcanic rocks indicate that these pillow lavas erupted during Carboniferous-Permian. The geologic and geochemical evidence suggested that there existed an eastern branch of Paleo-Tethys between the Yangtze and Cathaysian blocks in southeastern Yunnan, South China.

运用多维视角融合视觉转换器的食品气调枕形包装漏气检测

食品气调枕形包装被广泛用于农产品的贮藏、运输和消费全流程,尽管工厂广泛使用的现代包装机械和人工检验手段减小了漏气风险,但是封口缺陷、贮藏和运输中的挤压、人工检验时的人为差错等造成漏气甚至瘪袋的情况时有发生,变质的袋内食品既影响了消费者身体健康又导致厂商声誉受损。该文针对食品气调枕形包装的漏气检测问题,提出了一种基于多维视角融合的Vision Transformer漏气检测方法(multi-dimentional fusion vision transformer,MdF-ViT)。通过包装袋的主视角、侧视角和俯视角的融合,提取3个视角包装袋轮廓特征,综合判断包装袋形变量,完成对枕形包装的漏气检测。对样本A、样本B、样本C的测试结果表明,该种模型准确率均达到97.5%,F1值分别达到97.6%、97.6%和97.4%。该研究提出的模型可以有效应用于工厂生产并节约成本。

宋金瓷枕中执莲童子形象卮论

瓷枕作为民俗文化与传统工艺联姻的宁馨儿,其诞生之肇便与用者关系甚切,相较于其他器类,其承载的世俗文化更耐人寻味。宋金时期,瓷枕的烧造达到了鼎盛,执莲童子作为瓷枕中的一种代表性题材,得到了广泛运用。执莲童子与磨喝乐、化生关系甚切,与妇女求子催生有关,表达了祈子宜男的愿景。文章通过阐释执莲童子与磨喝乐、化生的联系,溯回原境,观风察俗,探索宋金瓷枕中执莲童子形象背后的深层意涵。

防压疮异形气囊枕垫及人体外压感知方法研究

为解决规则形气囊枕垫设计算法不足及气囊外表面薄膜压力传感器的透气性和稳定性问题,提出一种防压疮异形气囊枕垫及基于气囊内压-高度模型的人体外压感知方法,通过建立异形气囊的压力-高度-外部载荷模型,测量异形气囊内压力和气囊高度,实现人体外压的推算和稳定感知,以及仰卧或俯卧位的压疮防治。试验结果表明:外压力误差为0.85 N,满足智能防压疮枕垫的压力控制精度。采用人体外压感知方法进行压力感知,避免采用压力薄膜传感器,为重症患者创造更舒适、更安全的护理环境。

自制垫枕在超声引导下肘上PICC置管过程中的应用

目的 探究自制垫枕在超声引导下行肘上经外周静脉穿刺中心静脉(PICC)置管术的临床应用效果。方法 选取2022年1月至2022年12月于赣南医学院第一附属医院肿瘤内科行超声引导下肘上PICC置管的患者120例作为研究对象,采用随机数字表法分为对照组(60例)和试验组(60例)。其中对照组采用临床常规方法进行PICC置管,试验组使用自制垫枕放置于手臂下进行PICC置管。分析比较两组患者血管成像效果、超声探头纵轴与操作台的平面角度、一次性穿刺成功率、置管成功率以及置管时间。结果 试验组患者置管前血管成像效果优于对照组(P<0.05);试验组患者血管成像效果良好时操作台与探头纵轴垂直率高于对照组(P<0.05);对照组患者置管成功率为98.33%、试验组为100.00%,两组对比无统计学意义(P>0.05);试验组患者一次穿刺成功率(98.33%)高于对照组(88.33%)(P<0.05),且多次进针及多次送导丝情况低于对照组(P<0.05);试验组患者的置管时间在30~45 min范围内的例数多于对照组(P<0.05),> 45 min的例数少于对照组(P<0.05)。结论 使用自制垫枕在超声引导下进行肘上PICC置管,能够有效提高血管成像的效果。此外,操作台与超声探头纵轴呈垂直角度更加利于操作,降低了多次进针及送导丝次数,进一步缩短了置管时间。

宋金瓷枕中的艺俗互动探赜

宋金时期,瓷枕中兴,烧造体系完善,产量巨大且使用普遍。宋金瓷枕不仅承载了实用、认知及审美上的多元功能,并且将工艺技术与人文艺术,社会风尚与生活情趣融于一体,化身为传统文化艺术与民间风物习俗交融互动的纽带。文章以瓷枕为窗,管窥宋金时期民生百态,旨在卮议瓷枕维系下艺术与民俗的互生共存关系,探赜两者在适用、美善、认知、寄情等层面的多维互动,以期为当代艺术与民俗的融合发展提供些微启发。

枕项针刺疗法联合推拿手法治疗椎动脉型颈椎病的效果及对颈椎功能的影响

目的探讨枕项针刺疗法联合推拿手法治疗椎动脉型颈椎病的效果及对颈椎功能的影响。方法选取2019年5月至2022年5月收治的80例椎动脉型颈椎病患者为研究对象,以随机数字表法将其分为对照组和观察组,各40例。对照组采用推拿手法治疗,观察组采用枕项针刺疗法联合推拿手法治疗。比较两组的治疗效果。结果观察组的治疗总有效率高于对照组(P<0.05)。治疗后,观察组的颈部疼痛、头痛耳鸣、眩晕恶心积分低于对照组(P<0.05)。治疗后,观察组的舒张末期血流速度(EDV)、收缩期峰值血流速度(PSV)、平均血流速度(MFV)高于对照组(P<0.05)。治疗后,观察组的纤维蛋白原(Fbg)水平低于对照组,一氧化氮(NO)水平高于对照组(P<0.05)。治疗后,观察组的颈椎功能障碍指数(NDI)评分低于对照组,生活质量问卷-C30(QLQ-C30)评分高于对照组(P<0.05)。结论枕项针刺疗法联合推拿手法治疗椎动脉型颈椎病的效果显著,可缓解患者症状,改善血流动力学情况,调节Fbg、NO水平,促进颈椎功能改善和生活质量提高,值得推广。

基于压力分布聚氨酯类睡枕的高度研究

随着人们生活水平的提高,越来越多的人开始关注睡眠质量。因此,文章提出了一种基于神经网络技术的睡枕匹配系统,旨在根据用户个体差异提供有针对性的睡眠问题解决方案,展示了神经网络技术在提高个性化产品匹配效果方面的准确性以及在睡枕匹配领域的具体应用实例,同时还探讨了神经网络技术在其他个性化产品匹配领域的应用潜力,为相关领域的研究与实践提供了新的视角与方法。

基于脑电波监测智能睡眠按摩枕头系统设计

设计了一种智能睡眠按摩枕头系统,旨在为用户提供有力的睡眠保障。该系统由TGAM脑电波检测、温湿度控制、按摩控制、蓝牙、网络通信等模块组成,通过实时调控智能睡眠产品,实现高度智能化、全自动化流程,从放松到入睡一体化设计,使用户睡眠舒心。此外,该睡眠无忧APP还兼具睡眠分期算法,自动生成睡眠深度分析报告,为用户提供个性化睡眠计划,同时搭配AI智能聊天回答分析用户睡眠情况,帮助用户更科学地改善睡眠体验。