Pacemaker‐mediated tachycardia in a dual‐lead CRT‐D: What is the mechanism?

2020 ◽  
Author(s):  
Christopher Monkhouse ◽  
Alex Cambridge ◽  
Anthony W.C. Chow ◽  
Jonathan Behar
Keyword(s):  
Dual Lead

scholarly journals Dual-lead SCS combined with low-dose ketamine drip infusion therapy for the treatment of neuropathic pain

PAIN RESEARCH ◽  
2009 ◽  
Vol 24 (1) ◽  
pp. 9-15 ◽  
Author(s):  
Takamitsu Yamamoto ◽  
Toshiki Obuchi ◽  
Toshikazu Kano ◽  
Kazutaka Kobayashi ◽  
Hideki Oshima ◽  
...  
Keyword(s):  
Neuropathic Pain ◽  
Low Dose ◽  
Infusion Therapy ◽  
Drip Infusion ◽  
Dual Lead

Medication-Refractory Parkinsonian Tremor Requiring Dual Lead Implantation for Tremor Control

2020 ◽  
pp. 73-78
Author(s):  
Anhar Hassan
Keyword(s):  
Marked Improvement ◽  
Motor Fluctuation ◽  
Motor Fluctuations ◽  
Parkinsonian Tremor ◽  
Lead Placement ◽  
Patient Reported ◽  
Tremor Suppression ◽  
Optimal Target ◽  
Dual Lead

A 52-year-old man with Parkinson disease (PD) of 9 years’ duration was referred to the DBS clinic for medication-refractory severe unilateral rest and re-emergent tremor and frequent motor fluctuations. He was approved for DBS, with debate over the optimal target to treat severe tremor and fluctuations (subthalamic nucleus [STN] plus/minus the ventral intermediate [Vim] thalamus) and unilateral versus bilateral implantation. The committee decided to perform unilateral STN lead placement first, to provide benefit for both motor fluctuation and tremor, with the option of adding Vim concurrently if required. Intraoperatively, there was incomplete tremor capture, so a second lead was placed in Vim with success. Subsequent DBS programming achieved marked improvement of tremor and fluctuations at low stimulation, although side effects necessitated bipolar configurations in both leads. The patient reported excellent sustained tremor suppression at 2-year follow-up, although motor fluctuations recurred. This case illustrates that for intraoperative stimulation-refractory PD tremor, consideration can be given to adding a second Vim DBS target (dual DBS targets).

scholarly journals Tooth contact analysis and manufacturing of dual lead worm gears in ISO type I

2018 ◽  
Vol 12 (1) ◽  
pp. JAMDSM0026-JAMDSM0026 ◽  
Author(s):  
Shigenori HAMADA ◽  
Kazumasa KAWASAKI ◽  
Isamu TSUJI
Keyword(s):  
Contact Analysis ◽  
Type I ◽  
Tooth Contact Analysis ◽  
Tooth Contact ◽  
Worm Gears ◽  
Dual Lead

Initial Clinical Experience with a Dual Lead Endocardial Defibrillation System with Atrial Pace/Sense Capability

1995 ◽  
Vol 18 (1) ◽  
pp. 163-167 ◽  
Author(s):  
RICHARD M LUCERI ◽  
PHILIP ZILO ◽  
◽  
Keyword(s):  
Clinical Experience ◽  
Atrial Pace ◽  
Dual Lead ◽  
Initial Clinical Experience

Sensitivity Analysis and Surface-Deviation Minimization of ZK-Type Dual-Lead Worm Gear Drives

1999 ◽  
Vol 121 (3) ◽  
pp. 409-415 ◽  
Author(s):  
Biing-Wen Bair ◽  
Chung-Biau Tsay
Keyword(s):  
Mathematical Model ◽  
Sensitivity Analysis ◽  
Machine Tool ◽  
Gear Tooth ◽  
Data File ◽  
Worm Gear ◽  
Tooth Surface ◽  
Tool Profile ◽  
Surface Deviation ◽  
Dual Lead

This work uses the mathematical model of ZK-type dual-lead worm gear drive proposed in our recent work (1998). Based on the proposed mathematical model, coordinates and unit normals of the worm gear surface grid points can be determined and a data file subsequently formed. The data file is considered as the theoretical tooth surface data and then input into the computer of a three-dimensional coordinate measurement machine (3-D CMM) to numerically calculate the surface deviations of a real-cut worm gear. In addition, a computerized tooth surface measurement model compatible with the 3-D CMM is developed. Sensitivity analysis is also performed on machine-tool settings and tool-profile errors to the generated gear tooth surface variations. Minimization on gear tooth surface variations can be determined by applying the proposed measurement and calculation methods. In addition, optimum machine tool settings and tool-profile modifications are obtained by applying the developed computer simulation softwares. Moreover, the singular value decomposition (SVD) and sequential quadratic programming (SQP) methods are compared to establish the optimum machine-tool settings and resolve the minimum surface deviation problems.

scholarly journals On Dual Lead Worm Gears made by Simple Method of Cutting

1948 ◽  
Vol 14 (46) ◽  
pp. 216-229
Author(s):  
Akira WAKURI ◽  
Teijiro ANDO
Keyword(s):  
Simple Method ◽  
Worm Gears ◽  
Dual Lead

On Dual Lead Worm Gears made by Simple Method of Cutting

1947 ◽  
Vol 50 (348) ◽  
pp. 236-237
Author(s):  
Akira WAKURI ◽  
Teijiro ANDO
Keyword(s):  
Simple Method ◽  
Worm Gears ◽  
Dual Lead

High Precision Dual Lead Worm Gears in JIS4Type

2016 ◽  
Vol 2016.16 (0) ◽  
pp. B5-1
Author(s):  
Shigenori HAMADA ◽  
Kazumasa KAWASAKI ◽  
Isamu TSUJI
Keyword(s):  
High Precision ◽  
Worm Gears ◽  
Dual Lead

Two-stage optimum design of the dual-lead worm

2003 ◽  
Vol 35 (5) ◽  
pp. 561-572 ◽  
Author(s):  
Ting-Yu Chen ◽  
Juinn-Ning Perng ◽  
Shean-Juinn Chiou
Keyword(s):  
Optimum Design ◽  
Two Stage ◽  
Dual Lead
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