Academic literature on the topic 'Balloon Man'

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Journal articles on the topic "Balloon Man"

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Stone, Wilfred Healey. "The Balloon Man." Sewanee Review 115, no. 1 (2007): 20–35. http://dx.doi.org/10.1353/sew.2007.0026.

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Hikita, Hiroyuki, Keiichi Hishikari, Atsushi Takahashi, and Makoto Araki. "Balloon-Anchored CoKatte® for Successfully Delivering Balloons for an Occluded Anomalous Right Coronary Artery." International Journal of Angiology 27, no. 04 (September 14, 2018): 232–34. http://dx.doi.org/10.1055/s-0038-1669957.

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AbstractPercutaneous coronary intervention (PCI) for anomalous right coronary artery (RCA), originating from the left coronary cusp is challenging, because of the difficulty in engaging the guiding catheter coaxially, and delivering balloons and stents. A 65-year-old man with effort angina underwent PCI for anomalous RCA. This report describes the method we used. Although, delivering the balloon was difficult in short of the guiding catheter's backup force, we finally succeeded by using one more guiding catheter and the balloon-anchored CoKatte®, a novel, straight 4.5-French child catheter, to strengthen the backup force.
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Uchino, A., P. K. Maurer, H. S. Brara, and Y. Numaguchi. "Balloon Migration into a Giant Carotid Aneurysm after Parent Artery Occlusion Using Detachable Balloons." Interventional Neuroradiology 4, no. 4 (December 1998): 323–28. http://dx.doi.org/10.1177/159101999800400410.

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We treated a 70-year-old man with a giant paraophthalmic region aneurysm of the right internal carotid artery using the parent artery occlusion technique with three detachable balloons. Initially, the patient did well, but migration of the distal balloon into the aneurysm was detected seven months later. This report suggests that initial parent artery occlusion using balloons will not always induce permanent thrombosis of a large aneurysm, because the occlusion and thrombosis is strictly dependant on the position of the balloons that are used, and adjunct use of coils may be indicated.
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Araki, Akihiro, Kiichiro Tuchiya, Shigeru Oshima, Eriko Okada, Sanae Yoshioka, Shinji Suzuki, Daisuke Kubota, Takanori Kanai, and Mamoru Watanabe. "Development of One Man Method for Double Balloon Endoscopy." Gastrointestinal Endoscopy 65, no. 5 (April 2007): AB160. http://dx.doi.org/10.1016/j.gie.2007.03.244.

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Kaan, Hung Leng, Phuoc Thien Phan, Anthony Meng Huat Tiong, Muneaki Miyasaka, Soo Jay Phee, and Khek Yu Ho. "First-in-man feasibility study of a novel ingestible magnetically inflated balloon capsule for treatment of obesity." Endoscopy International Open 08, no. 05 (April 17, 2020): E607—E610. http://dx.doi.org/10.1055/a-1127-2991.

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AbstractIntragastric balloons (IGBs) are an established treatment option for obesity. Major barriers to dissemination of IGBs include lack of long-term efficacy outcomes, safety concerns, cost, and tolerability. We developed a novel ingestible magnetically inflated balloon capsule (IMI-BC) in hopes of overcoming these challenges. The IMI-BC is significantly cheaper than IGBs currently available on the market. We performed proof-of-concept animal studies and a first-in-human feasibility study to demonstrate the feasibility of inflating the IMI-BC using an external magnet. Further studies are currently being conducted to evaluate the safety, tolerability, and long-term efficacy of the IMI-BC. When fully developed, we anticipate that this device will benefit obese patients.
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Kelly, Michael E., Vivek Gonugunta, Henry H. Woo, Raymond Turner, and David Fiorella. "Double-balloon Trapping Technique for Embolization of a Large Wide-necked Superior Cerebellar Artery Aneurysm: Case Report." Operative Neurosurgery 63, suppl_4 (October 1, 2008): ONSE291—ONSE292. http://dx.doi.org/10.1227/01.neu.0000316432.05038.f1.

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Abstract Objective: To describe a novel double-balloon trapping technique for endovascular embolization of a broad-based saccular aneurysm of the superior cerebellar artery. Clinical Presentation: A 62-year-old man with a history of diabetes, coronary artery disease, and smoking presented with a syncopal episode. Catheter angiography revealed a large (11.7 × 9.4 × 11.2 mm) right superior cerebellar artery (SCA) aneurysm with a 7-mm neck, incorporating the origin of the right SCA. Intervention: An endovascular double-balloon trapping technique was used. Using bilateral groin access and bilateral vertebral artery guide catheters, a 4 × 20 mm HyperGlide balloon (ev3 Neurovascular, Irvine, CA) was placed across the neck of the aneurysm, and a 4 × 7 mm HyperForm balloon (ev3 Endovascular Inc., Plymouth, MN) was placed within the aneurysm. The aneurysm was catheterized with an Echelon 14 microcatheter (ev3 Endovascular Inc.). The inflated HyperGlide balloon was used to protect the parent basilar artery and “trap” the smaller HyperForm balloon within the aneurysm. The HyperForm balloon was inflated within the aneurysm and gently retracted to protect the origin of the SCA at the aneurysm neck. The aneurysm was coiled with the balloons inflated. A 4.5 × 20 mm Neuroform stent (Boston Scientific, Natick, MA) was deployed across the aneurysm neck. Final procedural angiography showed near complete occlusion of the aneurysm and preservation of flow in the SCA. Follow-up angiography at 8 months showed progressive thrombosis with complete occlusion of the aneurysm, preserved patency of the SCA, and anatomic reconstruction of the native artery. The patient remained neurologically normal at the time of the follow-up evaluation. Conclusion: Double-balloon trapping is a novel endovascular technique that can be used to treat wide-necked aneurysms and maintain patency of side branches incorporated into the aneurysm neck.
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Munakata, Masahito, Yohei Numasawa, Shiro Ishikawa, and Takashi Koyama. "A Novel Double Side Branch Protection Technique for a Left Main Trifurcation Lesion: Simultaneous Jailed Balloon and Jailed Corsair Technique." Case Reports in Cardiology 2018 (September 13, 2018): 1–5. http://dx.doi.org/10.1155/2018/6852946.

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Percutaneous coronary intervention for left main trifurcation disease is challenging. Although side branch protection techniques such as the jailed balloon technique and jailed Corsair technique are the established methods for treatment of coronary bifurcation lesions, little is known regarding the application and feasibility of these techniques for left main trifurcation disease. We herein describe a 72-year-old man with angina pectoris who was successfully treated with percutaneous coronary stent implantation for a left main trifurcation lesion. In this case, we performed a novel double side branch protection technique, the simultaneous jailed balloon and jailed Corsair technique, with a single 8 Fr guiding catheter. This is the first case report to highlight the feasibility and efficacy of combined use of the jailed balloon and jailed Corsair techniques during percutaneous coronary intervention for left main trifurcation disease.
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Nwaejike, Nnamdi, Andre Y. Son, Chetan B. Patel, Jacob N. Schroder, Carmelo A. Milano, and Mani A. Daneshmand. "The Axillary Intra-Aortic Balloon Pump as a Bridge to Recovery Allows Early Ambulation in Long-Term Use." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 12, no. 6 (November 2017): 472–78. http://dx.doi.org/10.1097/imi.0000000000000432.

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We evaluated the feasibility, tolerability, and efficacy of a strategy for transaxillary artery intra-aortic balloon pump placement for extended mechanical circulatory support of patients with post-cardiotomy shock as a bridge to recovery. Patients requiring prolonged intra-aortic balloon pump support for postcardiotomy heart failure were identified. Intra-aortic balloon pump was tunneled through a 6-mm Dacron graft anastomosed to the right axillary artery. The intra-aortic balloon pump catheter is advanced under fluoroscopic guidance into the descending thoracic aorta. Three patients were transferred from outside facilities, requiring prolonged intra-aortic balloon pump support for postcardiotomy heart failure. Patients included a 54-year-old woman with occluded grafts and left ventricular thrombus after coronary artery bypass grafting, ejection fraction (EF) of 23.4% on dobutamine infusion, intra-aortic balloon pump support for 39 days, max daily ambulated distance of 1250 feet, and discharged home on day 51 on milrinone infusion; a 63-year-old man with kinked left internal mammary artery to left anterior descending artery graft (surgically repaired), multiple failed extubations requiring tracheostomy, EF of 15% on epinephrine and milrinone, intra-aortic balloon pump support for 43 days, max daily ambulated distance of 400 feet, and discharged home on day 54; and a 66-year-old man after redo coronary artery bypass grafting + carotid endarterectomy, with failure to wean off cardiopulmonary bypass requiring veno-arterial extracorporeal membrane oxygenator, EF of 20% on epinephrine and norepinephrine, intra-aortic balloon pump support for 41 days, max daily ambulated distance of 2800 feet, and discharged home on day 91. There were no infection, thromboembolic, cerebrovascular, bleeding, or intra-aortic balloon pump malpositioning/migration complications. We found that transaxillary artery intra-aortic balloon pump is well tolerated by patients and allows early ambulation and aggressive physical therapy in patients needing extended support. Duration of intra-aortic balloon pump support was up to 43 days with no complications.
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Campbell, John E., Mark C. Bates, and Michael Elmore. "Endovascular Rescue of a Fused Monorail Balloon and Cerebral Protection Device." Journal of Endovascular Therapy 14, no. 4 (August 2007): 600–604. http://dx.doi.org/10.1177/152660280701400424.

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Purpose: To present a case of successful endovascular retrieval of a monorail predilation balloon fused to an embolic protection device (EPD) in the distal internal carotid artery (ICA) of a high-risk symptomatic patient. Case Report: A 60-year-old man with documented systemic atherosclerotic disease had a severe (>70%) restenosis in the left ICA 3 years after endarterectomy. He was scheduled for carotid artery stenting (CAS) with cerebral protection; however, he developed unstable angina and was transferred to our facility, where the admitting team decided that staged CAS followed by coronary bypass grafting would be the best option. During the CAS procedure, a 6-mm AccuNet filter was passed across the lesion via a 6-F carotid sheath and deployed in the distal ICA without incident. However, the 4-×20-mm predilation monorail balloon was then advanced without visualizing the markers, resulting in inadvertent aggressive interaction that trapped the balloon's tip in the filter. Several maneuvers to separate the devices were unsuccessful. Finally, the filter/balloon combination was moved gently retrograde until the balloon was straddling the subtotal ICA lesion. The lesion was dilated to 4 mm with the balloon, and the sheath was gently advanced across the lesion as the balloon was deflated. Angiography excluded interval occlusion of the filter from the embolic debris during the aforementioned aggressive maneuvers and documented antegrade flow. The filter was slowly withdrawn into the 6-F sheath with simultaneous aspiration. A second 6-mm filter was deployed, and the procedure was completed satisfactorily. The patient did well, with no neurological sequelae. Conclusion: EPDs are an essential in carotid artery stenting and, keeping in mind the potential risks associated with their use, will help the operator avoid complications such as this one.
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McLeod, Karen, Michael E. Blackburn, and John L. Gibbs. "Enlargement of a classical Blalock-Taussig shunt by implantation of a stent after failed balloon angioplasty." Cardiology in the Young 4, no. 4 (October 1994): 405–7. http://dx.doi.org/10.1017/s1047951100002432.

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SummaryThe period of adequate palliation from a Blalock-Taussig shunt may be limited by the development of stenosis of the shunt. Balloon dilatation oftenis unsuccessful due to recoil of the vessel. We report the case of a 22-year-old man with a stenosed Blalock-Taussig shunt who was successfully treated by the implantation of a balloon expandable stent.
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Dissertations / Theses on the topic "Balloon Man"

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Tanaka, Leonardo Yuji. "Dissulfeto isomerase proteica como via integrativa entre estresse oxidativo e resposta a proteínas mal-enoveladas na reparação à lesão vascular." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/5/5131/tde-08042014-092611/.

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O remodelamento vascular é um determinante fundamental do lúmen em doenças vasculares, porém os mecanismos envolvidos não estão completamente elucidados. Nós investigamos o papel da chaperona redox residente do retículo endoplasmático Dissulfeto Isomerase Proteica (PDI) e sua fração localizada na superfície celular (peri/epicelular=pecPDI) no calibre e arquitetura vascular durante reparação à lesão. Em artérias ilíacas de coelho submetidas à lesão in vivo, houve importante aumento do mRNA e expressão proteica (~25x aumento 14 dias pós-lesão vs. controle) da PDI. O silenciamento da PDI por siRNA (cultura de órgãos) acentuou o estresse do retículo e apoptose, diferentemente da inibição da pecPDI com anticorpo neutralizante (PDI Ab). Bloqueio in vivo da pecPDI por aplicação de gel perivascular contendo PDI Ab no 12° dia após lesão, com análise após 48 h, promoveu ca.25% redução no calibre vascular analisado por arteriografia e diminuição similar na área total do vaso detectada por tomografia de coerência óptica. Neste processo, não ocorreu alteração no tamanho da neoíntima, indicando assim, que PDI Ab acentuou remodelamento constrictivo. Neutralização da pecPDI promoveu importantes alterações na arquitetura da matriz de colágeno e citoesqueleto, resultando em fibras com orientação invertida e desorganizadas. Diminuição na produção de espécies reativas de oxigênio e óxidos de nitrogênio também ocorreu. Análise de propriedades viscoelásticas nas artérias indicou redução na ductilidade vascular, evidenciada pela menor distância para ruptura. As alterações subcelulares no citoesqueleto observadas in vivo após PDI Ab foram recapituladas em um modelo de estiramento cíclico em células musculares lisas vasculares, com importante redução na formação das fibras de estresse. Em modelo de migração randômica de células musculares lisas, a exposição a PDI Ab reduziu a resiliência de regulação da polaridade. Embora a neutralização da pecPDI não tenha afetado a atividade global de RhoA, ela promoveu alterações no padrão de marcação em resposta ao estiramento, na redistribuição de RhoA na superfície celular e na associação com regiões contendo caveolina. Além disso, em aterosclerose nativa em humanos, a expressão da PDI correlacionou-se inversamente com remodelamento constrictivo. Dessa forma, PDI é fortemente expressa após a lesão e sua fração peri/epicelular remodela a arquitetura da matriz e citoesqueleto, promovendo um efeito anti-remodelamento constrictivo
Whole-vessel remodeling is a critical lumen caliber determinant in vascular disease, but underlying mechanisms are poorly understood. We investigated the role of endoplasmic reticulum chaperone Protein Disulfide Isomerase(PDI) and cell-surface PDI(peri/epicellular=pecPDI) pool in vascular caliber and architecture during vascular repair after injury(AI). After rabbit iliac artery balloon injury, there was marked increase in PDI mRNA and protein (25-fold vs. basal at day 14AI), with increase in both intracellular and pecPDI. Silencing PDI by siRNA (organ culture) induced ER stress augmentation and apoptosis, contrarily to pecPDI neutralization with PDI-antibody(PDI Ab). PecPDI neutralization in vivo with PDIAb-containing perivascular gel from days 12-14AI promoted ca.25% decrease in vascular caliber at arteriography and similar decreases in total vessel circumference at optical coherence tomography, without changing neointima, indicating increased constrictive remodeling. PecPDI neutralization promoted marked changes in collagen and cytoskeleton architecture, with inverted fiber orientation and disorganization. Decreased ROS and nitrogen oxide production also occurred. Viscoelastic artery properties assessment showed decreased ductility, evidenced by decreased distance to rupture. Subcellular cytoskeletal disruption by PDI Ab was recapitulated in vascular smooth muscle cell stretch model, with marked decrease in stress fiber buildup. Also, PDI Ab incubation promoted decreased regulation resilience of vascular smooth muscle migration properties. While pecPDI neutralization did not affect global RhoA activity, there was altered RhoA redistribution to the cell surface and association with caveolin-containing clusters, which mislocalized after stretch. In human coronary atheromas, PDI expression inversely correlated with constrictive remodeling. Thus, strongly-expressed PDI after injury reshapes matrix and cytoskeleton architecture to support an anticonstrictive remodeling effect
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Books on the topic "Balloon Man"

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Armstrong, Charlotte. The balloon man. New York City: International Polygonics, 1990.

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MacLeod, Charlotte. The balloon man. New York: Mysterious Press, 1998.

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Balan, Bruce. The Balloon Man. New York: Simon & Schuster Books for Young Readers, 2003.

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MacLeod, Charlotte. The balloon man. New York: Warner, 2000.

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MacLeod, Charlotte. The balloon man. New York: Mysterious Press, 1998.

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MacLeod, Charlotte. The balloon man. Thorndike, Me: Thorndike Press, 1999.

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Delamare, David. The man in the moon and the hot air balloon. New York, N.Y: Marlowe & Co., 1996.

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The man in the moon and the hot-air balloon. Limpsfield: Dragon's World Children's Books, 1995.

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Winters, Nancy. Man flies: The story of Alberto Santos-Dumont, master of the balloon, conqueror of the air. Hopewell, N.J: Ecco Press, 1998.

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Man flies: The story of Alberto Santos-Dumont master of the Balloon, conqueror of the air. London: Bloomsbury, 1997.

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Book chapters on the topic "Balloon Man"

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Müller, Ingo, and Peter Strehlow. "8 Many Balloons – The Emergence of a Pseudoelastic Hysteresis." In Rubber and Rubber Balloons, 79–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-45223-2_8.

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Dodds, Sherril. "Mad Hot Ballroom and the Politics of Transformation." In Decentring Dancing Texts, 160–76. London: Palgrave Macmillan UK, 2008. http://dx.doi.org/10.1057/9780230584426_10.

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Diffrient, David Scott, and Carl R. Burgchardt. "A Tale of Two Balloons: Intercultural Cinema and Transnational Nostalgia in Le voyage du ballon rouge." In Transnational Film Remakes. Edinburgh University Press, 2017. http://dx.doi.org/10.3366/edinburgh/9781474407236.003.0010.

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Millions of movie lovers around the world have experienced a range of emotions upon viewing Albert Lamorrise’s 1956 French classic Le Ballon Rouge (The Red Balloon). Many adulatory responses have been triggered but perhaps none other more clearly than Hou Hsiao-hsien’s Le Voyage du Ballon Rouge (Flight of the Red Balloon, France-Taiwan, 2007). Although lacking the fantastical interludes of the earlier film and filled with fewer flaneurial excursions through the alleyways of Paris, Hou’s feature-length work is no less compelling as a series of quotidian scenes concerning the interwoven themes of companionship, loneliness, memory, nostalgia, and the restorative power of art. Drawing upon phenomenological and memory-based studies of intercultural cinema, this chapter explores the relationship between recollections, references, and transnational film remakes, ultimately aiming to transnationalise (or “uproot”) nostalgia and show how twenty-first century cinephilia performs a similar cultural function to the remaking process.
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"A Balliol Man." In In the Shadow of Death, 17–29. The Lutterworth Press, 2021. http://dx.doi.org/10.2307/j.ctv1wnwv3k.8.

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"TOY BALLOONS." In Through Many Windows, 387–97. Routledge, 2017. http://dx.doi.org/10.4324/9781315271859-33.

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de Belder, Adam, Martyn Thomas, and Emanuele Barbato. "Rotational atherectomy." In Oxford Textbook of Interventional Cardiology, edited by Simon Redwood, Nick Curzen, and Adrian Banning, 525–34. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198754152.003.0034.

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Since 1979, plain old balloon angioplasty (POBA) has provided relief of angina for many patients. Recurrent symptoms due to restenosis diminished with bare metal stent and, more recently, drug-eluting technology. A limitation to achieving good results with POBA and stenting is calcification within the artery, which can not only prevent passage of balloons and stents into a lesion but may also prevent adequate lumen expansion. Rotational atherectomy or rotablation can treat highly resistant calcified plaque within coronary arteries to allow adequate vessel expansion and ensure optimal stent deployment. The concept of using a high-speed diamond-tipped drill spinning at 150,000 rpm driven by compressed air to clear an artery that is 3 mm in diameter is challenging, yet this technique has been available for use in coronary arteries since 1989 when Bertrand (Lille, France) and Erbel (Essen, Germany) first used it in humans.
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de Belder, Adam, and Martyn Thomas. "Rotational atherectomy." In Oxford Textbook of Interventional Cardiology, 558–68. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199569083.003.033.

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Since 1979, plain old balloon angioplasty (POBA) has provided relief of angina for many patients. Recurrent symptoms due to restenosis diminished with bare-metal stent and, more recently, drug-eluting technology. A limitation to achieving good results with POBA and stenting is calcification within the artery which not only can prevent passage of balloons and stents into a lesion but also may prevent adequate lumen expansion. Rotational atherectomy or rotablation (RA) can treat highly resistant calcified plaque within coronary arteries to allow adequate vessel expansion and ensure optimal stent deployment. The concept of using a high-speed diamond-tipped drill spinning at 150 000rpm driven by compressed air to clear an artery that is 3mm in diameter is challenging, yet this technique has been available for use in coronary arteries since 1989 when M.E. Bertrand (Lille, France) and R. Erbel (Essen, Germany) first used it in humans.
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Creighton, Breen, Catrina Denvir, Richard Johnstone, Shae McCrystal, and Alice Orchiston. "Pre-Strike Ballots in Comparative Perspective." In Strike Ballots, Democracy, and Law, 60–89. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198869894.003.0003.

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Chapter 3 contains a comparative review of pre-strike ballot requirements, describing the principal forms adopted around the world. It demonstrates that pre-strike ballot requirements can range from ‘light touch’ regulation specifying that union rules must contain provisions requiring the conduct of pre-strike ballots but attaching almost no consequence to failure to do so, through to highly prescriptive requirements which can have the effect of making it exceedingly difficult lawfully to take strike action. Chapter 3 then examines in detail the pre-strike ballot requirements that have been adopted in four jurisdictions: the United States, where there are no formal pre-strike ballot requirements; South Africa, where formerly stringent ballot requirements were replaced by light touch regulation in 1995; Canada, where there are formal requirements for the conduct of pre-strike ballots, but where they appear to be of only very marginal inconvenience to trade unions; and the United Kingdom which has adopted exceedingly complex provisions which betoken an almost obsessive desire to regulate the circumstances and manner in which strike action can lawfully be taken. The chapter also points to the case of Australia, which has adopted an approach that is, in many respects, similar to that of the United Kingdom—albeit with some significant differences. The similarities are such that the detailed study of the operation of the Australian provision affords many insights into the operation of the British provisions, and into the role of law as a means of regulating industrial behaviour more generally.
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Araki, Hiroshi. "Reviewing Japanese Dream Culture and Its History: Where Ancient, Medieval and Modern Times Meet." In Orientālistika. Cilvēkzināšana un Āzijas aktualitātes, 12–29. LU Akadēmiskais apgāds, 2020. http://dx.doi.org/10.22364/luraksti.os.819.01.

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‘Dream’ is an important keyword in the study of cultural history. Dreams relate profoundly to various cultural phenomena, so that the aspects of this relationship are broad and diverse. Japanese dreams are also represented visually in many different cultural contexts, in various styles and media, and their representation changes according to social and historical situations. In particular, pictorialization of dreams offers interesting possibilities. For example, the ‘speech balloon’ (or bubble) is a popular device for depicting speech acts in picture books and manga, and a significant symbolic image in contemporary culture such as LINE messages in Japan. Historically, however, speech balloons also seem to have a close relationship with the visualization of dreams. In this paper, I would like to trace and review the Japanese dream culture and its history, to consider where or how ancient, medieval and modern times encounter in the history of East Asian cultural representation.
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Brown, Jeffrey A. "Secondary Trigeminal Neuralgia (Balloon Compression Rhizolysis)." In Pain Neurosurgery, 13–22. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780190887674.003.0003.

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Multiple sclerosis is a common secondary cause of trigeminal neuropathic pain. It occurs because of the presence of sclerotic plaque within the highly myelinated trigeminal pathway. Patients with multiple sclerosis (MS) may also have a vascular compressive etiology; however, the two-year success rate for microvascular decompression is merely 15%. Ablative treatment also has a high pain recurrence rate that is as high as 50% in one year regardless of the surgical option selected. Balloon compression rhizotomy is a simple treatment option in MS patients. When done, the balloon compression site is at the retrogasserian portion of the trigeminal nerve and not the trigeminal ganglion. Balloon compression is associated with a trigeminal depressor response for which one must be prepared to treat with iv atropine.
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Conference papers on the topic "Balloon Man"

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Liu, Pei-Yi, Yu-Wen Huang, Chun Kuo, and Yao-Hsin Chou. "The Effective Retrieval of the Sounding Balloon Combined with Unmanned Aerial Vehicle." In 2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC). IEEE, 2015. http://dx.doi.org/10.1109/smc.2015.18.

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Ryota Kurozumi, Toru Yamamoto, Shoichiro Fujisawa, and Osamu Sueda. "Development of training equipment with an adaptive and learning mechanism using balloon actuator-sensor system." In 2007 IEEE International Conference on Systems, Man and Cybernetics. IEEE, 2007. http://dx.doi.org/10.1109/icsmc.2007.4413932.

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Kadota, Kazuo, Masao Akai, Kenji Kawashima, and Toshiharu Kagawa. "Development of Power-Assist Robot Arm using pneumatic rubbermuscles with a balloon sensor." In RO-MAN 2009 - The 18th IEEE International Symposium on Robot and Human Interactive Communication. IEEE, 2009. http://dx.doi.org/10.1109/roman.2009.5326335.

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Hall, Kevin J., Fang Zhu, and Christopher D. Rahn. "Three Dimensional Vibration of a Ballooning String." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0542.

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Abstract In many textile manufacturing processes, yarn is rotated at high speed forming a balloon. In this paper, Hamilton’s principle is used to derive the nonlinear partial differential equations of a ballooning string. Jacobian elliptical sine functions satisfy the nonlinear steady state equations. The steady state eyelet tension is related to the string length for a constant balloon height. For high tension and low string length cases, single loop balloons occur. As the string length increases, tension decreases and multiple loop solutions are obtained. The nonlinear partial differential equations are linearized about the steady state solutions, resulting in three coupled equations with spatially varying coefficients. The equations involve a positive definite mass matrix operator, skew symmetric gyroscopic matrix operator, and symmetric stiffness matrix operator. It is shown using a Galerkin approach that only single loop balloons are stable for practical yarn elasticity. The natural frequencies of the single loop balloon increase with decreasing balloon size and increasing yam stiffness. The effect of yarn elasticity on the first three vibration modes of a single loop balloon is analyzed. The steady state and stability analyses are experimentally verified.
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Hyre, M. R., and R. M. Pulliam. "Balloon/Stent Expansion Dynamics in Stenotic Arteries." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68060.

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Inflation balloons for stents are typically sized 1–2mm longer than endovascular stents, yet the effects of the degree of balloon overhang are unknown. In this study, a computational model capable of predicting balloon/stent/artery/plaque interactions and their effects on arterial and plaque stresses was developed to assess the effects of length mismatch and plaque classification on stent expansion characteristics and arterial stresses in diseased arteries. A 16-mm long, 1-mm unexpanded diameter, slotted tube stent was modeled and expanded using contact frictional elements by symmetrically-placed, tapered 17-mm and 18-mm balloons within an artery which contained no plaque to evaluate the effects of stent/balloon size mismatch on arterial stresses. The 18-mm balloon was then also used to expand inside an artery lined with plaque. The plaque was crescent shaped and axisymmetric with a maximum stenosis of 40%. In one model the plaque was primarily cellular, while in another model the plaque was calcified. ANSYS was used to perform the FEA. This model takes into account the multilinear elastic balloon expansion, non-linear plastic stent expansion, and the hyper-elastic arterial and plaque deformations. In this study, endflare was defined by stent diameter at proximal end with respect to stent diameter at the midpoint. Results from this study indicate that without plaque repsent, the maximum arterial stress at balloon contact is approximately proportional to the degree of balloon overhang. A 100% increase in balloon overhang results in a 4% increase in maximum endflare and a 39% change in a peak arterial stress. However, at the end of expansion, which is of the most clinical importance, the increase in max endflare is 2% and the increase in maximum arterial stress is 93% at the balloon point of contact and 45% at the point of contact with the far proximal and distal ends of the stent. When comparing the results of calcified and cellular plaque, a maximum endflare of about 55% was observed for both the calcified and cellular plaque cases during expansion. At the end of expansion the increase in max endflare is 10% for the cellular plaque and 40% of the calcified plaque. The peak equivalent stress seen by the artery was about 100% larger in the cellular case than in the calcified plaque case. This was due to much of the stress being contained within the calcified plaque. The peak stress seen by the plaque was 100% larger in the calcified than in the cellular plaque.
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6

Fan, Rongjun, Sushil K. Singh, and Christopher D. Rahn. "Modal Analysis of Ballooning Strings With Small Sag." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/vib-8135.

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Abstract During the manufacture and transport of textile products, yarns are rotated at high speed and form balloons. The dynamic response of the balloon to varying rotation speed, boundary excitation, and disturbance forces governs the quality of the associated process. Resonance, in particular, can cause large tension variations that reduce product quality and may cause yarn breakage. In this paper, the natural frequencies and mode shapes of a single loop balloon are calculated to predict resonance. The three dimensional nonlinear equations of motion are simplified via small steady state displacement (sag) and vibration assumptions. Axial vibration is assumed to propagate instantaneously or in a quasistatic manner. Galerkin’s method is used to calculate the mode shapes and natural frequencies of the linearized equations. Experimental measurements of the steady state balloon shape and the first two natural frequencies and mode shapes are compared with theoretical predictions.
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Mortier, Peter, Matthieu De Beule, Denis Van Loo, Benedict Verhegghe, and Pascal Verdonck. "Analysis of Side Branch Access During Bifurcation Stenting." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192768.

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A common technique to improve the local blood flow through stenotic arteries involves the implantation of a metallic scaffold known as a stent. These devices have shown excellent results in unbranched vessels. However, the treatment of coronary bifurcation lesions remains an enormous challenge and is generally associated with an increased complication rate. Many different techniques have been proposed in clinical literature, but all the suggested methodologies have specific limitations [1]. In many cases, a stent is deployed in the main branch (MB) and logically, this compromises the side branch (SB) patency. This is a frequently encountered situation that can be improved by balloon dilatation through the side of the MB stent (fig. 1). However, such balloon inflation may result in unwanted distortions of the stent [2].
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Hardenburger, Jacob, Punit Prakash, Timothy R. Angeli, and Leo K. Cheng. "Microwave Ablation: A Potential Minimally Invasive Solution for Gastric Motility Disorders." In 2019 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dmd2019-3293.

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Many gastric motility disorders, including gastroparesis, are caused by dysrhythmias occurring in the stomach musculature. Microwave ablation (MWA) offers potential as a minimally invasive endoscopic approach for targeted thermal destruction of the gastric musculature to disrupt irregular electrical rhythm within the stomach wall. An experimental study was conducted in a gel phantom to analyze the transient heating profile of a water-cooled 2.45 GHz MWA antenna enclosed within a PET balloon. Fiber-optic temperature sensors were used to collect temperature data at distances 1.5–7.5 mm from the balloon surface. Ablation profiles were also characterized in ex vivo porcine skeletal muscle. With 20 W applied power and cooling water temperature of 5 °C, temperature measured at 3.5 mm from the balloon surface exceeded the temperature at 1.5 mm from the balloon surface by 3 °C. In ex vivo tissue, for 40 W applied power, tissue within 2 mm of the balloon surface remained unablated. With adequate cooling and power, it may be feasible to thermally spare tissue within 2 mm of the MWA balloon applicator.
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Roddy, Morgan, and Adam Huang. "Development of a Solid-State Inflation Balloon Deorbiter." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67467.

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In this paper we report on the current development of the Solid State Inflation Balloon (SSIB), a simple, reliable, low-cost, non-propulsive deorbit mechanism for the full range of small satellites (<180kg). Small satellites typically rely on aerodynamic drag to deorbit within the FAA’s 25 year requirements. The SSIB will enhance aerodynamic drag by inflating a balloon at the end-of-life of a satellite mission. This technology will provide a scalable and non-existing capability, low-cost deorbit, for applications in the full-range of smallsats, from CubeSats to MicroSats. The proposed SSIB system is composed of three major components: a Micro-Electro-Mechanical Systems (MEMS) Solid-State Gas Generator (SSGG) chip, a balloon structure made of thin metallized polyimide films such as Kapton® HN composed of multiple lenticular gores which will form a spherical balloon, and a subsystem package suitable for spacecraft integration. The SSGG is composed of a 2D addressable array of Sodium Azide (NaN3) crystals on a glass substrate. The crystals are contained in wells formed by a thick-film of epoxy polymer (SU-8). Under each well is a resistive heater that is selectively addressed using Metal-Insulator-Metal (MIM) diode networks. When heated to above 350 °C, the NaN3 spontaneously decomposes to generate N2 gas in time scales on the order of 10 milliseconds. Each well can be designed with a typical volume of 10−15 m3 to 10−6 m3 of NaN3. The SSIB system has built-in redundancy due to the fact that the SSGG is a scalable chip design and can incorporate as many gas generating wells as a mission may dictate. Additionally, the SSIB can mitigate balloon leaks by sequential deployment of additional gas wells and can thereby maintain the inflated state of the balloon. The SSIB system will be low power (< 1 W) and have low mass (mass is proportional to the size of the required balloon). Initial simulations have shown that the SSIB can deorbit small satellites from above 1000 km within 25 years.
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Kolli, Kranthi K., Anup K. Paul, Lloyd H. Back, and Rupak K. Banerjee. "Optimization of Balloon Obstruction for Simulating Equivalent Pressure Drop in In-Vivo Conditions." In ASME 2013 Conference on Frontiers in Medical Devices: Applications of Computer Modeling and Simulation. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fmd2013-16141.

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The study of hemodynamics in an animal model associated with coronary stenosis has been limited due to the lack of a safe, accurate, and reliable technique for creating an artificial stenosis. Creating artificial stenosis using occluders in an open-chest procedure has often caused myocardial infarction (MI) or severe injury to the vessel resulting in high failure rates. To minimize these issues, closed-chest procedures with internal balloon obstruction were often used to create artificial stenosis. However, it should be noted that the hemodynamics in a blood vessel with internal balloon obstruction as opposed to physiological stenosis hasn’t been compared. Hence, the aim of this research is to computationally evaluate the pressure drop in balloon obstruction and compare with that in physiological stenosis. It was observed that the flow characteristics in balloon obstruction are more viscous dominated, whereas it is momentum dominated in physiological stenosis. Balloon radius was iteratively varied to get a pressure drop equivalent to that of physiological stenosis at mean hyperemic flow rates. A linear relation was obtained to predict equivalent balloon obstruction for physiological stenosis.
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Reports on the topic "Balloon Man"

1

Lampkin, Cheryl L. Prescription Drug Prices and the 50+ Population: Increased Concerns May Impact the Ballot Box. AARP Research, August 2019. http://dx.doi.org/10.26419/res.00331.003.

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