Results 51 to 60 of about 562,918 (320)

Mitral Valve Mechanics

open access: yes, 2015
The goal of this book is to develop a working hypothesis for mitral valve function in the beating heart.
Jr. Ingels, B. Neil, Matts Karlsson
openaire   +3 more sources

Multifunctional Fluidic Units for Emergent, Responsive Robotic Behaviors

open access: yesAdvanced Materials, EarlyView.
A multifunctional reconfigurable fluidic unit can be used as sensor, valve and actuator is presented. A unique configuration combines the features of the three components as a Responsive self‐oscillating actuator. The remarkable versatility of the fluidic unit is demonstrated by building different robots with the same fluidic units only by varying ...
Mostafa Mousa   +3 more
wiley   +1 more source

Suporte (holder) ADL para cirurgia profética valvar cardíaca: the ADL Holder Holder for valve replacement surgery

open access: yesBrazilian Journal of Cardiovascular Surgery, 1993
Apresentamos um instrumento cirúrgico inédito, o Suporte ADL, para cirurgia de substituição valvar cardíaca em qualquer das posições: aórtica, mitral ou tricúspide, por próteses biológicas ou mecânicas.
Arnaldo Duarte Lourenço
doaj  

Physical Intelligence in Small‐Scale Robots and Machines

open access: yesAdvanced Materials, EarlyView.
“Physical intelligence” (PI) empowers biological organisms and artificial machines, especially at the small scales, to perceive, adapt, and even reshape their complex, dynamic, and unstructured operation environments. This review summarizes recent milestones and future directions of PI in small‐scale robots and machines.
Huyue Chen, Metin Sitti
wiley   +1 more source

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

open access: yesAdvanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song   +14 more
wiley   +1 more source

RANCANG BANGUN DAN UJI UNJUK KERJA POMPA GEAR PADA SUHU FLUIDA 70 0 C (REDESIGN AND PERFOMANCE TEST FOR GEAR PUMP AT 70 DEGREES CELCIUS OF FLUIDS TEMPERATURE) [PDF]

open access: yes, 2008
The purpose of this research is cognizant of characteristic, transfer of fluid, and performance by operated Gear Pump. Material worked is ex lubricant which 77,905 cP viscosity then heated from atmospheric to 70 0 C by used heater and temperature ...
Bambang, Setyoko   +2 more
core  

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee   +5 more
wiley   +1 more source

Valve-related complications after mechanical heart valve implantation [PDF]

open access: yesSurgery Today, 2014
The number of heart valve surgeries is increasing, and 19,164 patients underwent heart valve surgery in Japan in 2011. The early mortality rate has remained stable for more than 10 years. Many patients now survive for many years, with a reported 10-year survival rate of at least 60 %.
openaire   +2 more sources

Overcoming Printing and Interfacial Challenges in Liquid Metal Direct Writing for Integrated Stretchable Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
Liquid metal direct writing is advanced from a technological and fundamental point. Utilizing a kinematic bed, printing on large surfaces with irregularities is enabled. Furthermore, a pressure‐driven flow during printing is discovered that affects the thickness of traces.
Maximilian Krack   +15 more
wiley   +1 more source

Various clinical factors’ influence on long-term results of valve prosthetic surgery in heart valve disease

open access: yesКардиоваскулярная терапия и профилактика, 2005
Aim. To assess factors influencing the long-term results of valve prosthetic surgery in heart valve disease. Material and methods. In total, 310 patients with heart valve surgery in anamnesis were examined: 168 females (54%), 142 males (46%); mean age 54.
L. I. Murzabekova, V. A. Orlov
doaj  

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