Results 131 to 140 of about 2,950,179 (187)

Trilaminar DuraGen-Anchored Closure for Dural Repair in Posterior Fossa Surgery: Technical Note and Case Series. [PDF]

Neurosurg Pract
Kim YJ, Higashino M, Yamanishi S, Ashida N, Hosoda K, Nagashima H, Tanaka K, Sasayama T, Nishihara M.   +8 more
europepmc   +1 more source

Effect of Paralabral Cysts on 5-Year Patient-Reported Outcomes After Hip Arthroscopy for Labral Tear. [PDF]

Orthop J Sports Med
Sun H, Yang F, Zhou S, Huang H, Wang J.
europepmc   +1 more source

Endoscopic Approach to Type 1 Spontaneous Cerebrospinal Fluid Leak in the Thoracic Spine: Technical Considerations and Literature Review. [PDF]

Int J Spine Surg
Konakondla S, Telfeian A, Shen J.
europepmc   +1 more source

Bioinspired milliscale near-boundary undulatory motion for fluid transport and adhesive locomotion. [PDF]

Sci Adv
Liu S, Zheng Y, Zhu K, Li X, Zhang R, Ma K, Guan J, Sitti M, Wen L, Ren Z.   +9 more
europepmc   +1 more source

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Blood Sealing Properties of Magnetic Fluid Seals

Tribology International, 2017
Abstract Shaft seals for rotary blood pumps have strong demands for low friction, very little leakage, and long-term use. Magnetic fluid seals have attracted attention as promising candidates for this purpose owing to their properties of having zero leakage, no wear, and relatively small viscous friction at the same time.
Norifumi Miyanaga, Jun Tomioka
exaly   +2 more sources

A magnetic fluid seal for rotary blood pumps: Behaviors of magnetic fluids in a magnetic fluid seal

Bio-Medical Materials and Engineering, 2013
A magnetic fluid (MF) seal has excellent durability. The performance of an MF seal, however, has been reported to decrease in liquids (several days). We have developed an MF seal that has a shield mechanism. The seal was perfect for 275 days in water.
Yoshinori, Mitamura, Tetsuya, Yano, Wataru, Nakamura, Eiji, Okamoto   +3 more
openaire   +2 more sources

Analysis of Magnetic-Fluid Seals

A S L E Transactions, 1981
The paper offers a basic investigation of magnetic-fluid sealing. The objectives aimed at quantitative relationships between the parameters of the magnetic circuit, the properties of the fluid, and the resulting Δp capacity of a single or multistage seal. The pole pieces were investigated with the aim of arriving at an optimum configuration which would
Jed A. Walowit, Oscar Pinkus
openaire   +2 more sources

Magnetic fluids in sealing and lubrication – a state of the art review

Journal of Synthetic Lubrication, 1993
AbstractThe paper is a review of the properties and functions of magnetic fluids and their potential use in tribological applications, such as seals and bearings. They offer new possibilities for achieving low friction, low wear, and no leak‐ age.Magnetic fluids or ferrofluids consist of magnetic particles suspended in a carrier fluid and a coating on ...
Säynätjoki, Matti, Holmberg, Kenneth
openaire   +2 more sources

A Study of Magnetic Fluid Seals for Blood Sealing

The proceedings of the JSME annual meeting, 2002
Magnetic fluid seals are used in a wide variety of gas and dust sealing applications. However, it is difficult to seal for liquid because of its characteristic. This study will be a basic guide for a magnetic fluid seal for liquid, especially for blood to be practically used in medical instruments such as rotary blood pumps by clarifying its seal ...
Jun TOMIOKA, Akira FUKAISHI, Takashi OHBA   +2 more
openaire   +1 more source