pressure sensor use with endovascular aneurysm repair

... Animal models for endovascular graft application Introduction Endovascular aneurysm repair is nowadays an established treatment with its own complications, including persistent aneurysm perfusion, ... and abdominal aorta The most popular one is the aneurysm patch model Research focused first on the feasibility of endovascular aneurysm repair with relatively simple models Later more complex ... models that have been used in the context of endovascular graft applications Animal models for endovascular graft application ] Animal models The most frequently used animals for aneurysms are pigs...

Ngày tải lên: 12/08/2014, 00:22

... latter had a prosthetic lumen defined by the area within the prosthesis, and a perfused lumen given by the area perfused by the blood stream We focused exclusively on the area, not the diameter, ... endoprosthetic wall causes a marked reduction of the perfused lumen Second, self-expandable EPs are capable of keeping pace with aortic growth by progressive expansion Because the prosthetic lumina ... conflicting with the cylindrical configuration of the devices ] Possible clinical applications of oversized covered EPs Endovascular treatment of CoA with bare stents carries the risk of pseudoaneurysm...

Ngày tải lên: 12/08/2014, 00:22

... use of intravascular ultrasound for endovascular aneurysm repair ± The Lausanne experience Introduction The interventionist is used to rely on arteriography and fluoroscopy for endovascular aneurysm ... infrarenal aneurysms the feasibility of an endovascular repair was calculated at about 50% including type I and II aneurysms including a proximal neck Type I aneurysms mostly suitable for endovascular ... performance with 54% proximal or distal endoleaks (7/13) Endoleaks were significantly associated with early gen- Systematic and exclusive use of intravascular ultrasound for endovascular aneurysm repair...

Ngày tải lên: 12/08/2014, 00:22

... fixation with endoleakage and kinking of prosthetic limbs in devices that are no longer on the market Systematic and exclusive use of intravascular ultrasound for endovascular aneurysm repair ... angiographic suite, yet with standby of complete cardiopulmonary bypass equipment [7, 9, 11] The exclusive use of intravascular ultrasound (IVUS) for the endovascular repair, without using arteriography, ... endoleaks was our liberal policy regarding endovascular repair during the first years, including high-risk patients with challenging neck configuration As endovascular surgery was evolving worldwide,...

Ngày tải lên: 12/08/2014, 00:22

... durable anchorage will allow the repair of aneurysms with a short or even absent neck The ultimate goal of endovascular aneurysm treatment is its application in ruptured aneurysms Patients in hemorrhagic ... through the use of adenosine, too Although adenosine is considered safe, it can precipitate atrial fibrillation in 12% [13] The systematic use of adenosine in endovascular aneurysm repair carries ... MJ, Hagberg RC, Lee GK, Mitchell RS, Miller DC, Dake MD (1998) Mycotic aneurysms of the thoracic aorta: Repair with use of endovascular stent-grafts J Vasc Interv Radiol 9:33± 40 12 Fattori R,...

Ngày tải lên: 12/08/2014, 00:22

... JT, Thompson SG, EVAR trial participants: Comparison of endovascular aneurysm repair with open repair in patients with abdominal aortic aneurysm (EVAR trial 1), 30-day operative mortality results: ... trial Lancet 2004, 364:843-848 EVAR trial participants: Endovascular aneurysm repair versus open repair in patients with abdominal aortic aneurysm (EVAR trial 1): randomised controlled trial Lancet ... results of endovascular aneurysm repair Ann Vasc Surg 2003, 17:615-621 Ouriel K, Greenberg RK, Clair DG, O'hara PJ, Srivastava SD, Lyden SP, Sarac TP, Sampram E, Butler B: Endovascular aneurysm repair: ...

Ngày tải lên: 11/08/2014, 21:22

... micro pressure sensors 1.3.1 Micro piezoresistive pressure sensor 1.3.2 Micro capacitive pressure sensor 1.3.3 Micro resonant pressure sensor ... micro piezoresistive pressure sensor 1.4 (a) cross section and (b) top view of micro capacitive pressure sensor 10 1.5 Cross section view of micro resonant pressure sensor 11 1.6 ... been removed greatly 1.3.3 Micro resonant pressure sensor Another type of pressure sensor relies on vibrating elements for measurement of pressure The sensors operate by monitoring the resonant...

Ngày tải lên: 11/09/2015, 21:53

... Security Agreement and Pledge For Use with Letter of Credit The signer(s) certifies that he/she is authorized to execute this Credit ... Secretary TITLE Chief Financial Officer Assistant Secretary PRINT NAME Assistant Treasurer TITLE BANK USE ONLY Sales Officer’s Name Phone ( ) Business Site Inspection Performed By (print name and title)...

Ngày tải lên: 20/12/2013, 17:15

... simply a convenient way to represent the optional use of applying encryption within ESP ESP can then be used to provide authentication and integrity without confidentiality Unlike AH these services ... algorithm can make use of keys of varying lengths However, no measurable increase in security is afforded by the use of longer key lengths 2.2 Cryptographic Synchronization Because of the stateless ... calculating the authentication data This can be useful in providing IPsec services through non-IP network devices The discussion on how ESP_NULL might be used with non-IP network devices is outside the...

Ngày tải lên: 14/02/2014, 16:20

... filling pressure can be ignored DP5 DPH DP5 ORDER GUIDE SPECIFICATIONS Pressure sensor head DPH Pressure sensor head Type Appearance Rated pressure range (Note) Model No Pressure port Vacuum pressure ... only when using leak test mode) With vacuum/positive pressure type sensor head: within ± 0.2% F.S.±1 digit ( ± digits) With compound pressure type sensor head: within ± 0.2% F.S ± digits ( ± digits) ... the sensor number and the sensor application DPH DP5 SPECIFICATIONS Pressure sensor controller DP5-C Model No DP5-C-P Rated pressure range (Note 1) Vacuum pressure: to −101.3kPa, Positive pressure: ...

Ngày tải lên: 15/02/2014, 10:02

... protocols for use with refugees and internally displaced persons Revised edition WHO Library Cataloguing-in-Publication Data Clinical management of rape survivors: developing protocols for use with refugees ... often part of sexual abuse and, if used by those attempting to help, will increase the child's fear and anxiety and worsen the psychological impact of the abuse It is useful to have a doll on ... specimens can be collected with a dry sterile cotton swab Do not use a speculum to examine prepubertal girls; it is extremely painful and may cause serious injury A speculum may be used only when you...

Ngày tải lên: 23/03/2014, 23:21

Ngày tải lên: 10/04/2014, 20:11

... iOS Sensor Apps with Arduino Alasdair Allan Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo iOS Sensor Apps with Arduino by Alasdair Allan Copyright ... example: “iOS Sensor Apps with Arduino, by Alasdair Allan (O’Reilly) Copyright 2011 Alasdair Allan, 978-1-449-30848-3.” If you feel your use of code examples falls outside fair use or the permission ... allow arbitrary control over an Arduino from a user-friendly interface Chapter In this chapter, we will attach sensors to the Arduino and then use the serial cable to communicate the readings...

Ngày tải lên: 31/05/2014, 01:07

Ngày tải lên: 10/06/2014, 20:56

... to the other sensors This is a result of the age of the foam: The breathing sensor was replaced with weekold foam prior to the test, while the other sensors were months old The sensor foams are ... other sensor positions, e.g seconds for shoulder lift foam sensor As seen in the torso sensor evaluation, the age of the sensor had a significant impact on the absolute resistance of the sensors ... the foam sensor would allow pressure points to be monitored without introducing a solid sensor element into a pressurized area close to the skin that could create more irritation Rigid sensors...

Ngày tải lên: 19/06/2014, 10:20

... pass with 0order model (b) Forward pass with 1-order model (c) Forward pass with 2-order model (d) Backward pass with 0-order model (e) Backward pass with 1-order model (f) Backward pass with ... EM with appearance based inference, EM with MCMC inference, EM with forward approximate inference I, EM with backward approximate inference I, EM with forward approximate inference II, and EM with ... probability and white probability (a) Forward pass with 0-order model (b) Forward pass with 1-order model (c) Backward pass with 0-order model (d) Backward pass with 1-order model δi−1 = p(xi−1 = j), and...

Ngày tải lên: 21/06/2014, 05:20

... the sensors with high correlation with the source and low cross-correlations should be selected The procedure does not take into account the fact that even if a sensor has high correlation with ... θ1 decreases the distortion This is because, for given deployment, the spatial correlation of the sensors with the source (and with each other) improves with increasing θ1 [c.f (6)] Note that ... the sensors and is also independent of wi , ∀i (ni , ∀i) Moreover, we assume that the source s, the observation si at sensor i, the observation s j at sensor j, the observation noise ni at the sensor, ...

Ngày tải lên: 21/06/2014, 17:20

... results using various sensor fields with randomly deployed sensor nodes Section reviews related work in two research fields, the area coverage for both stationary and mobile sensor networks and the ... neighborhood of a sensor s as the set of all sensors that are located at a distance less than or equal to rc from the mobile In other words, the neighborhood of sensor s ∈ N is the set of all sensors that ... where if a source exists it will cause the sensor to be alarmed with high probability (at least 0.5) This is referred to as the detection (sensing) range of the sensor and it is assumed known For...

Ngày tải lên: 21/06/2014, 22:20

... multilevel modulation to be used for energy efficient communications [31, 32] Then, in this paper we will use M-QAM modulation because of its higher-energy efficiency for centralized WSN with PAN coverage ... problem: N N En = minimize n=1 EStx · n=1 N Tn TS (5) Tn = T subject to h3 Sensor Sensor h2 Sensor Figure 1: Wireless sensor network scheme: a centralized configuration the receiver (dn ) is in ... allocation, is the parameter used to compute saving in energy We distinguish two cases: (a) fixed TDMA with fixed modulation 16-QAM for each sensor and (b) variable length TDMA with fixed modulation (M...

Ngày tải lên: 22/06/2014, 19:20

... network be composed of K sensors, where each node, say the kth, has a discrete-time clock with period Tk If the nodes are left isolated, the timing clock of the kth sensor evolves as tk (n) ... channels by the other sensors It is assumed that all the nodes transmit with the same power, and that the power Pki received on the wireless link between the ith and the kth user reads Pki (n) = ... / / In sensor networks, this result is of interest in applications where the steady state value of synchronization is used in order to infer the status of the process monitored by the sensor...

Ngày tải lên: 22/06/2014, 19:20