Relevant bibliographies by topics / Linear stapler

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Linear stapler'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Linear stapler"

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Makey, Ian A., Magdy M. El-Sayed Ahmed, and Samuel Jacob. "The Radial Stapler Facilitates Lung-Conserving Wedge Resections." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 15, no. 5 (2020): 463–67. http://dx.doi.org/10.1177/1556984520942370.

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Objective To test whether use of the radial stapler facilitates lung-conserving wedge resections compared to the linear stapler. Methods A video-assisted thoracoscopic simulation lab was established to compare wedge resections performed only with linear staplers to wedge resections performed with the option of a radial stapler. Preserved sheep lungs were used. The target was a 0.5 cm mark on an ovoid surface of the lung equidistant from all edges. Seven fully trained cardiothoracic surgeons participated. They were instructed to obtain at least a 1 cm margin in all directions from the mark. The surgeons were allowed to work from only 2 preassigned ports. Each resected specimen was weighed. The resection margin was the shortest distance measured from the edge of the mark to the staple line. The mass-to-margin ratio was defined as the mass of the specimen divided by the length of the margin. The results were analyzed using a t-test for 2 independent means. Results The 17 radial resections demonstrated a significantly better mass-to-margin ratio (3.31 [SD = 1.19]) compared to the 11 linear resections (4.75 [SD = 1.32], t[26] = 3, P = 0.006). Conclusions In a thoracoscopic simulation, the option of a radial stapler allowed for a better mass-to-margin resection of a small target from a broad surface of the lung than a linear stapler-only option.
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Hasegawa, Suguru, Shinya Nakayama, Koya Hida, Kenji Kawada, and Yoshiharu Sakai. "Effect of Tri-Staple™ Technology and Slow Firing on Secure Stapling Using an Endoscopic Linear Stapler." Digestive Surgery 32, no. 5 (2015): 353–60. http://dx.doi.org/10.1159/000437216.

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Aim: To evaluate the effect of Tri-staple™ technology and slow firing using the Endo-GIA™ endoscopic linear stapler. Methods: The cardiac and pyloric portions of porcine stomachs were divided using the endoscopic linear stapler with different reload types. A total of 8 min of waiting time was employed during firing in the slow-firing group and no waiting time was employed in the normal-firing group. The shape of the staples was then evaluated. The length of the staple line and serosal laceration was also determined. Results: There was a moderate negative correlation between tissue thickness and secure staple formation. Tri-staple™ reloads (purple, black) offered more secure staple formation compared with Universal green reload. Although slow firing enhanced secure staple formation, its effect was greater when using green reload, compared with Tri-staple™ reloads. Significantly shorter staple line length and longer serosal laceration was observed in the thick tissue. Although the cartridge type did not influence lengths of the staple line or serosal laceration, both were better in the slow-firing group. Conclusions: Tri-staple™ reloads offered more secure staple formation compared with the Universal reload. Although slow firing improved staple line shortening and serosal laceration, its effect on secure stapling was relatively small when using Tri-staple™ reloads.
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Bernardi, Daniele, Emanuele Asti, and Luigi Bonavina. "VS03.08: ANASTOMOTIC TECHNIQUES FOR MINIMALLY INVASIVE TRANSTHORACIC ESOPHAGECTOMY." Diseases of the Esophagus 31, Supplement_1 (2018): 49. http://dx.doi.org/10.1093/dote/doy089.vs03.08.

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Abstract Description Minimally invasive esophagectomy has the potential to reduce the incidence of pulmonary complications and postoperative pain. This video shows two safe and reproducible technical variants for thoracoscopic stapled anastomosis. The patient is placed in a left semi-prone position after induction of anesthesia with a single lumen orotracheal tube. Triportal access and low-pressure pneumothorax (8 mmHg) are used for the procedure. Once circumferential mobilization of the esophagus is completed, intraoperative ultrasonography is performed to identify a previously placed endoscopic metal clip marking the upper tumor level. The esophagus is safely transected above this level. An end-to-side intra-corporeal esophagogastric anastomosis is performed. Technique A. The esophagus is stapled with a 60 mm cartridge (EndoGIA™ Tri-Staple™ purple). The anvil of a 25 mm circular stapler (OrVil™) is inserted transorally and retrieved through a small hole in the esophageal stump. Technique B. The 25 mm anvil is inserted through a transverse esophagotomy with a 7 cm long 2–0 polypropylene suture attached to the sharp tip. The suture is passed from inside to outside of the esophageal lumen. The esophagus is then divided distal to the anvil with an linear stapler. At this point, the anvil is pulled out with a gentle traction close to the stapled line. In both techniques, the circular stapler is introduced into the chest cavity through a mini-thoracotomy at the level of lowermost trocar and a wound retractor (Alexis™) is used. The head of the circular stapler, sealed with a surgical glove cutted at the middle finger, is then introduced into the gastric tube through a small gastrotomy on the lesser curvature. The tip of the gastric tube is perforated close to the greater curvature and engage the esophageal anvil. After checking the doughnut, transection of the remnant gastric tube is completed with a linear stapler and the specimen is retrieved through the mini-thoracotomy. Disclosure All authors have declared no conflicts of interest.
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Durao, Carolina, Sofia Decq Motta, Ana Hebe, Ricardo Pacheco, Pedro Montalvão, and Miguel Magalhães. "Linear Stapler in Total Laryngectomy." International Journal of Otolaryngology and Head & Neck Surgery 03, no. 06 (2014): 354–58. http://dx.doi.org/10.4236/ijohns.2014.36063.

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Deng, Donna Y., Maxwell V. Meng, Hiep T. Nguyen, Gary C. Bellman, and Marshall L. Stoller. "Laparoscopic linear cutting stapler failure." Urology 60, no. 3 (2002): 415–19. http://dx.doi.org/10.1016/s0090-4295(02)01778-8.

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Vasaiya, Mehulkumar K., Samir M. Shah, Vikram B. Gohil, and Milankumar S. Vaghasia. "A prospective study of 50 cases of laparoscopic intestinal anastomosis by Endo GIA universal loading stapler (green/blue) versus Endo GIA articulating reload with tri staple technology (purple)." International Surgery Journal 7, no. 11 (2020): 3657. http://dx.doi.org/10.18203/2349-2902.isj20204667.

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Background: Intestinal anastomosis is a commonly performed procedure in surgery. Various evolvements have occurred in the field of intestinal anastomosis and recent advancement is the use of stapler in laparoscopic surgeries as a device for Gastrointestinal (GI) anastomosis. Few previous studies evaluating the clinical safety of the 2 laparoscopic linear stapling devices are available.Methods: A prospective comparative study of 50 cases which met the inclusion and exclusion criteria were included in this hospital-based study. They were randomly allocated to two groups, Group A which underwent laparoscopic intestinal anastomosis by Endo GIA tri-staple (purple) stapler and Group B which underwent Endo GIA universal loading unit (blue/green) stapler. Primary outcome was assessed in terms of intra-operative staple line bleeding, operative time and post-operative anastomotic leak.Results: Patients with laparoscopic intestinal anastomosis by Endo GIA tri-staple stapler (purple) have required less operation time as compared to Endo GIA universal loading unit. In Endo GIA universal loading unit (blue/green) 04% patients developed anastomotic leak and 40% patients had intra-operative staple line bleed while with Endo GIA tri-staple no postoperative anastomotic leak was found and 02% patients developed intra-operative staple line bleeding.Conclusions: The result of our study has shown that the Endo GIA reload tri- staple (purple) is superior in terms of having no anastomosis leak, negligent staple line bleeding and less operation time as compared with Endo GIA universal loading unit (blue/green). Thus, laparoscopic intestinal anastomosis by Endo GIA reload tri-staple stapler (purple) technology is more effective and overall more efficient.
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Maciver, A., M. McCall, D. Mihalicz, D. Al-Adra, R. Pawlick, and A. M. J. Shapiro. "The Use of Bovine Pericardial Buttress on Linear Stapler Fails to Reduce Pancreatic Fistula Incidence in a Porcine Pancreatic Transection Model." HPB Surgery 2011 (October 25, 2011): 1–6. http://dx.doi.org/10.1155/2011/624060.

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We investigate the effectiveness of buttressing the surgical stapler to reduce postoperative pancreatic fistulae in a porcine model. As a pilot study, pigs (n=6) underwent laparoscopic distal pancreatectomy using a standard stapler. Daily drain output and lipase were measured postoperative day 5 and 14. In a second study, pancreatic transection was performed to occlude the proximal and distal duct at the pancreatic neck using a standard stapler (n=6), or stapler with bovine pericardial strip buttress (n=6). Results. In pilot study, 3/6 animals had drain lipase greater than 3x serum on day 14. In the second series, drain volumes were not significantly different between buttressed and control groups on day 5 (55.3 ± 31.6 and 29.3 ± 14.2 cc, resp.), nor on day 14 (9.5 ± 4.2 cc and 2.5 ± 0.8 cc, resp., P=0.13). Drain lipase was not statistically significant on day 5 (3,166 ± 1,433 and 6,063 ± 1,872 U/L, resp., P=0.25) or day 14 (924 ± 541 and 360 ± 250 U/L). By definition, 3/6 developed pancreatic fistula; only one (control) demonstrating a contained collection arising from the staple line. Conclusion. Buttressed stapler failed to protect against pancreatic fistula in this rigorous surgical model.
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Skaerlund, M. L., L. Jacobsen, and A. Tøttrup. "Ileostomy revision using noncutting linear stapler." Colorectal Disease 10, no. 8 (2008): 833–36. http://dx.doi.org/10.1111/j.1463-1318.2007.01458.x.

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Hancke, Edgar. "H�morrhoidektomie mit dem Linear-Stapler." coloproctology 26, no. 6 (2004): 337–43. http://dx.doi.org/10.1007/s00053-004-5146-4.

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Gaidry, Alicia D., Laurier Tremblay, Don Nakayama, and Romeo C. Ignacio. "The History of Surgical Staplers: A Combination of Hungarian, Russian, and American Innovation." American Surgeon 85, no. 6 (2019): 563–66. http://dx.doi.org/10.1177/000313481908500617.

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Since their development in 1908, surgical staplers have been used as a method of “mechanical suturing” in efforts to divide hollow viscera and create anastomoses in an efficient and sterile manner. The concept for the surgical stapler was first developed by Humér Hultl, a Hungarian professor and surgeon, and designed by Victor Fischer, a Hungarian businessman and designer of surgical instruments. The design was highly acclaimed; however, it was bulky, cumbersome, and expensive to manufacture. In 1920, Aladár Petz, a student of Hultl, incorporated two innovations to the Fischer-Hultl stapler to create a more lightweight model, which was named the Petz clamp. In 1934, Friedrich of Ulm designed what would be the predecessor to the modern-day linear stapler. In the 1950s, Russian and American staplers began to emerge. Throughout the 1960s, a variety of stapling instruments were developed in the United States, manufactured by the United States Surgical Corporation. In the 1970s, Johnson & Johnson Ethicon brand joined the market. The United States Surgical Corporation was later bought by Tyco Healthcare and became Covidien in 2007. Through the collaboration of Felicien Steichen, Mark Ravitch, and Leon Hirsch, surgical staplers were further modified to incorporate interchangeable cartridges with various designs. With the advent of minimally invasive surgery began production of laparoscopic surgical staplers. Since its inception, the surgical stapler has provided a means to efficiently create safe and effective visceral and vascular anastomoses. The surgical stapler design continues to evolve while still maintaining the basic principles that were implemented in the original design.
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Dissertations / Theses on the topic "Linear stapler"

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Murakami, Katsuhiro. "Linear or circular stapler? A propensity score-matched, multicenter analysis of intracorporeal esophagojejunostomy following totally laparoscopic total gastrectomy." Kyoto University, 2020. http://hdl.handle.net/2433/253181.

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Books on the topic "Linear stapler"

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Ver, Maria R., and Tammy S. Fouse. Vertical Banded Gastroplasty. Edited by Tomasz Rogula, Philip Schauer, and Tammy Fouse. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190608347.003.0036.

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Vertical banded gastroplasty (VBG) is the construction of a small vertical pouch using a linear stapler, with addition of a Marlex band placed through a window formed by a circular stapler. Compared to gastric bypass, VBG maintains a more normal anatomy of the upper gastrointestinal tract. However, due to poor long-term outcomes and a high percentage of patients requiring revisional surgery, most bariatric surgeons have abandoned VBG as a primary bariatric procedure. Early complications include acute gastric distention and gastric leaks. Late complications include mesh migration or erosion, stomal stenosis, staple-line disruption, and gastrogastric fistulas. The most common revision is to Roux-en-Y gastric bypass (RYGB). There are reports of other revisions, such as the vertical banded gastroplasty−gastric bypass (VBG-GB), re-VBG, RYGB-on-VBG, VBG to duodenal switch, VBG to biliopancreatic diversion, VBG to sleeve gastrectomy, VBG to adjustable gastric band, and VBG reversal, as well as endoscopic alternatives.
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Bour, Eric S. Economic Costs Associated with Bariatric Surgery Complications. Edited by Tomasz Rogula, Philip Schauer, and Tammy Fouse. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190608347.003.0041.

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Surgical complications in bariatric procedures occur despite all efforts to minimize their incidence. This chapter examines the costs and expenses associated with four complications: bleeding, stricture, staple-line leak, and internal hernia. In addition, it defines the relationship between the expense of techniques designed to reduce the incidence of complications and the cost of caring for the patient who sustains a complication. Last, it explores the medicolegal and financial implications of any surgical complication in the changing healthcare landscape of the future. Through a better understanding these issues, surgeons should be able to tailor their practice by determining the cost/benefit and “value” of interventions used to prevent or treat complications.
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Auty, Richard M., and Haydn I. Furlonge. The Rent Curse. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198828860.001.0001.

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This book analyses the political economy of economic development using two stylized facts models of rent-driven growth. The models show that: (i) the resource curse is a variant of a wider rent curse that can be driven by geopolitical rent (foreign aid), labour rent (worker remittances), or regulatory rent (government manipulation of relative prices); (ii) the rent curse is caused by policy failure and is avoidable; (iii) the global incidence of the rent curse varies over time, which reflects development policy fashions; and (iv) the intensity of the rent curse also varies with rent linkages. Rent cycling theory posits that low rent incentivizes the elite to grow the economy to become wealthy, whereas high rent encourages siphoning rent for immediate enrichment at the expense of sustainable and diversified economic growth. The contrasting incentives trigger divergent policies and structural change. Low rent motivates the efficient allocation of inputs in line with the economy’s comparative advantage in labour-intensive exports, which drives: structural change; rapid egalitarian economic growth; and incremental democratization. High rent, however, elicits contests to capture rent for immediate enrichment so the economy absorbs rent too quickly. The economy experiences Dutch disease effects that expand a subsidized urban sector whose rent demands outstrip supply, resulting in a staple trap and a protracted growth collapse. The economy fails to diversify competitively and depends for growth on expanding rent rather than on competitive diversification that boosts productivity. The book uses the models to explain why many developing countries in Latin America, Sub-Saharan Africa, and the Gulf followed a staple trap trajectory and draws on East Asia and South Asia for reform.
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Rutter, Emily Ruth. Invisible Ball of Dreams. University Press of Mississippi, 2018. http://dx.doi.org/10.14325/mississippi/9781496817129.001.0001.

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Although many Americans think of Jackie Robinson when they consider the story of race and racism in baseball, a long history of tragedies and triumphs precede Robinson’s momentous debut with the Brooklyn Dodgers on April 15, 1947. From the pioneering Cuban Giants (1885-1915) to the Negro Leagues (1920-1960), black baseball was a long-standing, if underdocumented, staple of African American communities. This book examines creative portraits of this history by William Brashler, Jerome Charyn, August Wilson, Gloria Naylor, Harmony Holiday, Kadir Nelson, and Denzel Washington, among others. Divided into three literary waves, the book is especially attentive to the archival contributions (and at times drawbacks) of imaginative representations of black baseball. Specifically, the book argues that African American and Euro-American novelists, playwrights, poets, and filmmakers fill in gaps and silences in recorded baseball history; democratize access to archives by sharing their research with readers; and advance countermythologies to whitewashed baseball lore. Reading representations across the literary color line also opens up a propitious space for exploring black cultural pride and residual frustrations with racial hypocrisies on the one hand and the benefits and limitations of white empathy on the other. Thus, while this book’s particular focus is black baseball, the comparative, archival mode of analysis utilized herein provides a model for analyzing literary interventions in other marginalized cultural histories as well.
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Blacklock, Mark. The Emergence of the Fourth Dimension. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198755487.001.0001.

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The idea of the fourth dimension of space has been of sustained interest to nineteenth-century and Modernist studies since the publication of Linda Dalrymple Henderson’s The Fourth Dimension and Non-Euclidean Geometry in Modern Art (1983). An idea from mathematics that was appropriated by occultist thought, it emerged in the fin de siècle as a staple of genre fiction and grew to become an informing idea for a number of important Modernist writers and artists. Describing the post-Euclidean intellectual landscape of the late nineteenth century, The Emergence of the Fourth Dimension works with the concepts derived from the mathematical possibilities of n-dimensional geometry—co-presence, bi-location, and interpenetration; the experiences of two consciousnesses sharing the same space, one consciousness being in two spaces, and objects and consciousness pervading each other—to examine how a crucially transformative idea in the cultural history of space was thought and to consider the forms in which such thought was anchored. It identifies a corpus of higher-dimensional fictions by Conrad and Ford, H.G. Wells, Henry James, H.P. Lovecraft, and others and reads these closely to understand how fin de siècle and early twentieth-century literature shaped and were in turn shaped by the reconfiguration of imaginative space occasioned by the n-dimensional turn. In so doing it traces the intellectual history of higher-dimensional thought into diverse terrains, describing spiritualist experiments and how an extended abstract space functioned as an analogue for global space in occult groupings such as the Theosophical Society.
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Book chapters on the topic "Linear stapler"

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Luyer, Misha, and Grard Nieuwenhuijzen. "Intrathoracic Oesophago-Gastrostomy After MIE Ivor Lewis Resection: Side-To-Side Oesophago-Gastrostomy by Means of a Linear Stapler." In Atlas of Minimally Invasive Techniques in Upper Gastrointestinal Surgery. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-55176-6_20.

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Joice, Gregory A., and Mohammad E. Allaf. "Complications Related to Linear Staplers." In Complications in Robotic Urologic Surgery. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62277-4_6.

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Song, Kyo Young, Young-Joon Lee, and Norio Shiraishi. "Use of Linear and Circular Staplers." In Laparoscopic Gastrectomy for Cancer. Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-54003-8_12.

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Thodiyil, Paul A., Tomasz Rogula, and Philip R. Schauer. "Linear Stapled Technique for Gastrojejunal Anastomosis." In Minimally Invasive Bariatric Surgery. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-68062-0_30.

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Buss, Antal A., Timmie G. Smith, Gabriel Tanase, et al. "Design for Interoperability in stapl: pMatrices and Linear Algebra Algorithms." In Languages and Compilers for Parallel Computing. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-89740-8_21.

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Waddell, Calum. "Slash and Burn: The Exploitation-Horror film in Transition." In The Style of Sleaze. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474409254.003.0009.

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This concluding chapter about exploitation-horror cinema focuses on how the form evolved in the 1970s before concluding when the advent of more ‘gruesome’ special effects wizardry prepared the wider genre from a period of change at the end of the decade. I ascertain that George Romero’s film ‘Martin’ was the prelude to this factor – with ‘Halloween’ predicting a new market for stylish productions that could compete against Hollywood’s biggest and best. As with hardcore sex films, horror films would develop into a VHS staple in the 1980s – arguably the true lineage of the gritty, confrontational horror of such classics as ‘The Last House on the Left’.
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Hudson, Lynn M. "Freedom Claims." In West of Jim Crow. University of Illinois Press, 2020. http://dx.doi.org/10.5622/illinois/9780252043345.003.0002.

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This chapter examines the history of California’s commitment to Jim Crow, a history that begins during the state’s earliest years. African Americans loomed large in the minds of California’s earliest legislators and politicians. Black codes became a prominent feature of the state’s legal system and developed in tandem with scientific racism. Black bodies as a site of difference became a staple of the public discourse of citizenship. Resistance to the state’s color line took place at parades, in court, in schools, on streetcars, and on stage, all places African Americans were discouraged or prohibited from occupying. Gendered politics infused this first western campaign for civil rights and women’s participation would be pivotal in the ongoing struggle for racial justice.
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Hosler, Kim A., and Bridget D. Arend. "Strategies and Principles to Develop Cognitive Presence in Online Discussions." In Educational Communities of Inquiry. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2110-7.ch009.

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The chapter is designed to provide online instructors with strategies and techniques for fostering greater cognitive presence in asynchronous online discussion forums. Online discussions, moderated and facilitated by instructors and students, are a staple in online learning environments and provide powerful mechanisms for engaging students in dialogue. However, oftentimes dialogues stall out at the initial inquiry stage, and deeper, critical thinking is neglected. Realizing the foundational nature of discussion forum activities, the authors present ways in which instructors can nurture cognitive presence and foster deeper lines of thinking in online discussions. The chapter outlines the four stages of cognitive presence while offering strategies and question prompts to engender cognitive presence in online discussions. A quick reference guide is included as a discussion aid, suggesting ways to recognize the stages of cognitive presence as well as providing question prompts for engendering greater cognitive presence and critical thinking.
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Mehandi, Suhel, Anita Yadav, Ramanuj Maurya, et al. "Current Scenario of Breeding Approaches in Rice." In Cereal Grains [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98744.

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Rice is the predominant crop in India and is the staple food in eastern and southern Indian populations. One of the oldest grown crops is rice. The initial discovery of cytoplasmic male sterile (CMS) three-line system made it possible to produce hybrids that significantly increase rice yields compared to its inbred counterparts. Further genetic and molecular studies help elucidate the mechanisms involved in CMS male sterility. Additional CMS types were also discovered with similar genetic control from wild sources by interspecific hybridization. In India more than 1200 varieties were released for cultivation suitable different ecosystems and out of them 128 varieties have been contributed from NRRI, Cuttack. A list of these varieties are furnished below with their duration, grain type, yield potential, reaction to major disease and insects grain quality and tolerance to different adverse situations. Recent advances in molecular approaches used in modern rice breeding include molecular marker technology and marker-assisted selection (MAS); molecular mapping of genes and QTLs and production of hybrids and alien introgression lines (AILs). Genomic selection (GS) has been projected as alternative to conventional MAS. GS has huge potential to enhance breeding efficiency by increasing gain per selection per unit time. Due to the adaptation of semi dwarf high yielding varieties, combined with intensive input management practices, the country witnessed an impressive rice production growth in the post-independent period. Rice production was increased four times, productivity three times while the area increase was only one and half times during this period. The projected rice requirement by 2025, in order to keep up with increasing population, is about 130 m.t. The challenge of growing rice production is made more difficult by declining trends in HYV’s yields, decreasing and degrading natural resources such as land and water and a severe labour shortage.
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Chikkaballi Annegowda, Deepak, Mothukapalli Krishnareddy Prasannakumar, Hirehally Basavarajegowda Mahesh, et al. "Rice Blast Disease in India: Present Status and Future Challenges." In Rice [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98847.

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Rice (Oryza sativa L.) is the staple food of the majority of Indians, and India is both the major producer and consumer of rice. Rice cultivation in India is confronted with diverse agro-climatic conditions, varying soil types, and several biotic and abiotic constraints. Among major fungal diseases of Rice in India, the blast caused by Magnaporthe oryzae is the most devastating disease, with the neck blast being the most destructive form. Most of the blast epidemic areas in India have been identified with a mixture of races blast fungus resulting in the resistance breakdown in a short period. At present, a more significant number of the rice varieties cultivated in India were bred by conventional breeding methods with blast resistance conferred by a single resistance gene. Therefore, the blast disease in India is predominantly addressed by the use of ecologically toxic fungicides. In line with the rest of the world, the Indian scientific community has proven its role by identifying several blast resistance genes and successfully pyramiding multiple blast resistance genes. Despite the wealth of information on resistance genes and the availability of biotechnology tools, not a great number of rice varieties in India harbor multiple resistance genes. In the recent past, a shift in the management of blast disease in India has been witnessed with a greater focus on basic research and modern breeding tools such as marker-assisted selection, marker-assisted backcross breeding, and gene pyramiding.
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Conference papers on the topic "Linear stapler"

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Riggs, Marie K., Matt R. Bohm, and Philip J. Mountain. "Examining Relationships Between Device Complexity and Failure Modes of Minimally Invasive Surgical Staplers." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66750.

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Minimally invasive surgery (MIS) has become the standard approach for an increasing number and variety of procedures. Designing devices for such surgeries presents many challenges and must address efficiency, accuracy, and ease of use. The complexity of a device’s design likely influences its performance in real life situations. Therefore, identifying the complexity and potential for failures of a device is crucial in the early stage of design in order to ensure the effectiveness and safety of the final product. A complexity measure is explored utilizing design variables such as the maximum number of connections, number of total elements, and number of unique elements within a device. Reverse engineering of medical devices has been completed to begin understanding such complexity variables. The overall objective of this research is to determine the correlation between a medical device’s complexity measure and its failure modes. The nature and frequency of problems associated with various surgical medical devices must be characterized. This paper is an initial investigation and focuses on surgical stapling devices for MIS. The analysis pertains strictly to surgical staplers that simultaneously staple and transect tissue with a design that allows insertion through small incisions via a trocar, wound protector and retractor, or direct insertion. Adverse event reports involving minimally invasive surgical staplers have been retrieved from the U.S. Food and Drug Administration (FDA) Manufacturer and User Facility Device Experience (MAUDE) database from January 2006 – January 2016 and examined to determine trends in the characterization of device problems and prevalence of such problems. A total of 13,312 reports are included in the analysis. 106 events resulted in death, 3234 resulted in injury, and 9972 involved a device malfunction. A yearly analysis has been conducted analyzing the trends in event type (death, injury, and malfunction) and device brands involved in the reports over the past decade. A sample of reports was taken in order to perform a detailed analysis of the event descriptions. The reports are categorized by phase and description of failure modes associated with surgical stapler use. The phases of use in which failures occur have been identified as packaging, reload, articulation, application, firing, cutting, removal, and staple line. FDA recall information associated with these devices was also investigated. An extensive study regarding adverse events reported to the FDA associated with surgical staplers has not been completed since 2004 to the authors’ knowledge, nor a study investigating this specific category of surgical stapling devices. These devices are constantly evolving in regards to their design features, and their application is expanding to more wideranging open and MIS procedures. Despite the prevalence of minimally invasive surgical stapler use, any incident of failure may put a patient’s health and safety at risk. Malformed staples as a result of the firing phase, removal issues, and leaking staple lines were the main contributors to surgical stapler failure in the adverse event reports analyzed. Bariatric and thoracic surgery accounted for the majority of procedure types identified within the reports. The range of procedures in the analysis verifies the expansion of surgical stapler use and application. Various failure modes can be attributed to user error; however, the FDA recall information associated with these devices indicates that device failure shares responsibility. The results of this work contribute to the awareness of both surgical stapling device designers and users, and the importance of such must be heavily emphasized in order to prevent future complications in the field.
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Whiting, Amanda L., Francisco Aguilar-Alonso, Joseph J. Mitala, and Federico Bernal. "Abstract 5235: Affecting activity of the linear ubiquitin chain assembly complex (LUBAC) with stapled alpha-helical peptides." In Proceedings: AACR Annual Meeting 2017; April 1-5, 2017; Washington, DC. American Association for Cancer Research, 2017. http://dx.doi.org/10.1158/1538-7445.am2017-5235.

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Hidayat, Wahyu, Mursyid Ardiansyah, and Kusrini Kusrini. "Decision Support System for Selection of Staples Food and Food Commodity Price Prediction Post-COVID-19 Using Simple Additive Weighting and Multiple Linear Regression Methods." In 2020 3rd International Conference on Information and Communications Technology (ICOIACT). IEEE, 2020. http://dx.doi.org/10.1109/icoiact50329.2020.9332095.

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Dolan, Bryan R., and Kemper E. Lewis. "Robust Product Family Consolidation and Selection Using the Hypothetical Equivalents and Inequivalents Method." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35522.

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The design and development of effective product lines is a challenge in modern industry. Companies must balance diverse product families that satisfy wide ranging customer demands with practical business needs such as combining manufacturing processes and using similar materials, for example. In this paper, the issue of consolidating an existing product family is addressed. Specifically, the Hypothetical Equivalents and Inequivalents Method (HEIM) is utilized in order to select an optimal product family configuration. In previous uses, HEIM has been shown to assist a decision maker in selecting one concept from a set when concept attributes conflict with each other. In this extension of HEIM, the optimization problem’s constraints are formulated using two different value functions, and common solutions are identified in order to select an optimal family of staplers. The result is then compared with the result found using a multi-attribute utility theory (MAUT) based approach. While each method has its advantages and disadvantages, and MAUT provides a necessary first step for product family consolidation and selection, a robust solution is achieved through HEIM.
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Smith, Michael, Aidan Blenkinsop, Matthew Capewell, and Brian Kerrigan. "Now You SCC Me, Now You Don’t: Using Machine Learning to Find Stress Corrosion Cracking." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9624.

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Abstract Electromagnetic Acoustic Transducer (EMAT) is a non-destructive inspection technology that uses guided acoustic waves to detect planar flaws in a metal structure. When deployed via in-line inspection (ILI), it is an effective way to detect cracks in a pipeline. EMAT has thus become a staple of crack management programs throughout the world since its introduction to the market over a decade ago. As with all technologies, challenges remain with the inspection process. One such challenge with EMAT is classification. While it is possible to determine that a defect is “crack-like” (a property determined by its tendency to reflect incident waves), it is difficult to determine the nature of the defect from the EMAT measurement alone. Indeed, similar reflections are obtained for many different types of defects, from relatively benign manufacturing and construction abnormalities, to more concerning anomalies such as stress corrosion cracking (SCC). To compensate for the difficulties in classification, it is good practice to follow up an EMAT inspection with a number of in-field verifications. These investigations allow for a more direct observation of classification and size, and provide valuable information about the nature of cracks. They are, however, expensive — meaning that avoiding unnecessary digs is a top priority. In this paper, we document a developing approach to post-ILI crack management, whereby the results of an EMAT run are combined with those from field verifications to maximize the amount of information gained from costly field work. This approach — which relies on supervised machine learning — leads to a marked improvement in the classification of crack-like indications from EMAT, and allows future investigations to be prioritized according to the likelihood of finding a concerning defect. The method was trialed on a pipeline system with extensive SCC, leading to an improved success rate in finding SCC, and a more cost effective crack management plan.
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Zhang, Qingwei, Wei Zhang, Donggang Yao, Peter I. Lelkes, and Jack G. Zhou. "The Co-Continuous Micro-Porous PLLA Scaffolds and Their Application for ACL Reconstruction." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38291.

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Anterior cruciate ligament (ACL) reconstructive surgery is a major health concern world-wide because of a large aging population and increased occurrence of sport-related damage. Tissue engineering is a rapidly growing interdisciplinary field that offers a promising new approach for ACL repair. In order to overcome the shortages of current existing surgical fixation devices, we are combining gradient cellular structure (GCS) injection molding technique and biomedical engineering to develop novel surgical fixation devices (screw, anchor, plate, pin, staple, etc.) that not only incorporate bioactive materials such as growth factors, healing drugs and cells, but have natural bone GCS structure, intended to mimic the natural bone and promote bone tissue growth and eventually eliminate the defects associated with existing surgical fixation devices. In this work, a series of novel poly-L-lactic acid (PLLA) scaffolds with micro-porous structure were prepared by injection molding an immiscible polymer blend, with spatially controlled thermal conditioning to adjust the phase size from core to surface. The produced scaffolds were observed under SEM, which shows a co-continuous structure was created successfully through our method. The biocompatibility and the feasibility of produced micro-porous structural PLLA and PLLA/HA scaffolds as a matrix supporting cell growth tested by culturing murine osteoblasts cell line (7F2) for up to 9 days were assessed by Alamar Blue™ assay, which showed that the manufacturing process had no negative effects on cell proliferation. The cell attachment, spreading, migration and proliferation to confluence were assessed by fluorescent nuclear staining with Hoechst 33258. In order to evaluate the functional and cell biological applicability of the micro-porous structural PLLA scaffolds, a subcutaneous biodegradation test was performed through rat model for 1 week and 1 month time period, respectively. Our results showed that the micro-porous structural PLLA scaffolds are non-toxic, and they showed a mild foreign body reaction and complete fibrous encapsulation after implantation. Well created interconnected porous structure and biocompatibility suggest great potential of the micro-porous PLLA scaffolds in application for ACL reconstruction.
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