IN VIVO LONG TERM EVALUATION OF TRANSCUTANEOUS ENERGY TRANSMISSION FOR TATALLY IMPLANTABLE ARTIFITIAL HEART

ASAIO Journal ◽  
2000 ◽  
Vol 46 (2) ◽  
pp. 170 ◽  
Author(s):  
Y. Kakuta ◽  
E. Tatsumi ◽  
Y. Taenaka ◽  
K. Uesho ◽  
A. Homma ◽  
...  
Keyword(s):  
Energy Transmission ◽  
Transcutaneous Energy Transmission ◽  
Term Evaluation

scholarly journals Development of a cellulose-based prosthetic mesh for pelvic organ prolapse treatment: In vivo long-term evaluation in an ewe vagina model

2021 ◽  
pp. 100172
Author(s):  
Chen Lai ◽  
Shu-Jiang Zhang ◽  
Xuan-Chen Chen ◽  
Li-Yuan Sheng ◽  
Tian-Wei Qi ◽  
...  
Keyword(s):  
Pelvic Organ Prolapse ◽  
Pelvic Organ ◽  
Prosthetic Mesh ◽  
Term Evaluation

scholarly journals Development and long-term evaluation of a new 68Ge/68Ga generator based on nano-SnO2 for PET imaging

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Eduardo Romero ◽  
Alfonso Martínez ◽  
Marta Oteo ◽  
Marta Ibañez ◽  
Mirentxu Santos ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Mouse Model ◽  
Pet Imaging ◽  
Research Reactor ◽  
On Demand ◽  
Term Evaluation ◽  
Investigation Period ◽  
Direct Use

AbstractRadionuclide generator systems can routinely provide radionuclides on demand such as 68Ga produced by a 68Ge/68Ga generator without the availability of an on-site accelerator or a research reactor. Thus, in this work nano-SnO2 was used to develop a new 68Ge/68Ga generator which was evaluated over a period of 17 months and 305 elution cycles. The elution yield was 91.1 ± 1.8% in the first 7 mL (1 M HCl as eluent) when the generator was new and then it decreased with time and use to 73.8 ± 1.9%. Around 80% of the elutable 68Ga activity was obtained in 1 mL and the 68Ge content in the eluate did not exceed 1 × 10–4% over the investigation period when it was eluted regularly. The described generator provided adequate results for radiolabelling of DOTA-TOC with direct use of eluate. In addition, [68Ga]Ga-DOTA-TOC was tested satisfactorily for in vivo tumor detection by microPET/CT imaging in a lung cancer mouse model.

Optimization Method of the Transcutaneous Energy Transmission System with Given Output Power

2012 ◽  
Vol 195-196 ◽  
pp. 1169-1174
Author(s):  
Liang Yu Bai ◽  
Yu Zheng ◽  
Hou Jun Tang
Keyword(s):  
Output Power ◽  
Magnetic Coupling ◽  
Optimization Method ◽  
Transmission Efficiency ◽  
Energy Transmission ◽  
Bifurcation Phenomenon ◽  
Design Variables ◽  
Transcutaneous Energy Transmission

Transcutaneous energy transmission (TET) systems are designed to deliver power from an in vitro primary power source to in vivo implantable secondary over relatively large air gaps via magnetic coupling. This paper proposes an optimization method with given output power to meet different practical application. The transmission efficiency is the objective function; primary and secondary coils are design variables; constraints are based on bifurcation phenomenon and components peak over-voltage and peak withstand current. We have used MATLAB/ SIMULINK to verify the analytical results.

Preclinical in vivo long-term evaluation of the novel Mitra-Spacer technology: experimental validation in the ovine model

2017 ◽  
Vol 13 (3) ◽  
pp. 272-279 ◽  
Author(s):  
Athanasios Peppas ◽  
Ariel Furer ◽  
Jon Wilson ◽  
GengHua Yi ◽  
Yanping Cheng ◽  
...  
Keyword(s):  
Experimental Validation ◽  
The Novel ◽  
Ovine Model ◽  
Term Evaluation

In Vivo Long-Term Evaluation of the Utah Electrohydraulic Total Artificial Heart

ASAIO Journal ◽  
1993 ◽  
Vol 39 (3) ◽  
pp. M373-M380 ◽  
Author(s):  
Eisuke Tatsumi ◽  
Pratap S. Khanwilkar ◽  
John R. Rowles ◽  
Bang Y. Chiang ◽  
Gregory L. Burns ◽  
...  
Keyword(s):  
Artificial Heart ◽  
Total Artificial Heart ◽  
Term Evaluation

scholarly journals TCT-825 In-Vivo Long Term Evaluation of a Novel Mitral Valve Regurgitation Therapy: Experience in a Preclinical Large Animal Model

2013 ◽  
Vol 62 (18) ◽  
pp. B249
Author(s):  
Athanasios Peppas ◽  
Jon Wilson ◽  
Yanping Cheng ◽  
Christopher Seguin ◽  
Masahiko Shibuya ◽  
...  
Keyword(s):  
Animal Model ◽  
Mitral Valve ◽  
Mitral Valve Regurgitation ◽  
Large Animal Model ◽  
Large Animal ◽  
Valve Regurgitation ◽  
Term Evaluation

scholarly journals Detoxification of Implant Surfaces Affected by Peri-Implant Disease: An Overview of Surgical Methods

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Pilar Valderrama ◽  
Thomas G. Wilson Jr
Keyword(s):  
In Vivo Studies ◽  
Surgical Approaches ◽  
Validity And Reliability ◽  
Implant Surface ◽  
Advantages And Disadvantages ◽  
Surgical Methods ◽  
Term Evaluation

Purpose. Peri-implantitis is one of the major causes of implant failure. The detoxification of the implant surface is necessary to obtain reosseointegration. The aim of this review was to summarize in vitro and in vivo studies as well as clinical trials that have evaluated surgical approaches for detoxification of the implant body surfaces.Materials and Methods. A literature search was conducted using MEDLINE (PubMed) from 1966 to 2013. The outcome variables were the ability of the therapeutic method to eliminate the biofilm and endotoxins from the implant surface, the changes in clinical parameters, radiographic bone fill, and histological reosseointegration.Results. From 574 articles found, 76 were analyzed. The findings, advantages, and disadvantages of using mechanical, chemical methods and lasers are discussed.Conclusions. Complete elimination of the biofilms is difficult to achieve. All therapies induce changes of the chemical and physical properties of the implant surface. Partial reosseointegration after detoxification has been reported in animals. Combination protocols for surgical treatment of peri-implantitis in humans have shown some positive clinical and radiographic results, but long-term evaluation to evaluate the validity and reliability of the techniques is needed.

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