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"trephine" Definitions
  1. a surgical instrument for cutting out circular sections (as of bone or corneal tissue)

35 Sentences With "trephine"

How to use trephine in a sentence? Find typical usage patterns (collocations)/phrases/context for "trephine" and check conjugation/comparative form for "trephine". Mastering all the usages of "trephine" from sentence examples published by news publications.

And I hope people learn from the outrageous excesses that created such a husk of a human being, who one day lost his selfhood to a trephine drill, a cocksure surgeon and a society that didn't know any better.
A trephine with a center pin can be seen on the left. Dr. John Clarke trepanning a skull, ca. 1664, in one of the earliest American portraits. Clarke has a trephine in his right hand.
The incision is made in the medial aspect of eyebrow above, parallel to hair line. A 4–5 mm diameter hole is drilled into the anterior table of the sinus. The best location of the trephine is the floor of sinus or through brow ridge. If there is possibility of development of osteomyelitis, trephine should be made inferiorly.
The painting is in Harvard Medical School.Holmes, Oliver Wendell (September 18, 2008). Medical Essays. A trephine (; from Greek trypanon, meaning an instrument for boring).
Replacement of the entire cornea A trephine (a circular cutting device), which removes a circular disc of cornea, is used by the surgeon to cut the donor cornea. A second trephine is then used to remove a similar-sized portion of the patient's cornea. The donor tissue is then sewn in place with sutures. Antibiotic eyedrops are placed, the eye is patched, and the patient is taken to a recovery area while the effects of the anesthesia wear off.
A number of ancient Greek surgical tools. On the left is a trephine; on the right, a set of scalpels. Hippocratic medicine made good use of these tools. Hippocratic medicine was notable for its strict professionalism, discipline, and rigorous practice.
Trabeculectomy has undergone numerous modifications, e.g. filtering trepanotrabeculectomy (TTE) is a modification of the operation after J. Fronimopoulos. A triangular scleral flap is created which is approximately one-half as thick as the sclera. Trepanation is performed with a 2 mm trephine.
Alan O'Keeffe, independent.ie, 3 June 2018. Retrieved 28 June 2018. It could be used either as a trepan or as a trephine and did not require any force or pressure to cut through the skull, thus avoiding the risk of accidentally damaging the brain.
The procedure of drilling a hole through a fingernail or toenail is also known as trephination. It is performed by a physician or surgeon to relieve the pain associated with a subungual hematoma (blood under the nail); a small amount of blood is expressed through the hole and the pain associated with the pressure is partially alleviated. Similarly, in abdominal surgery, a trephine incision is when a small disc of abdominal skin is excised to accommodate a stoma. Although the abdominal wall does not contain bone, the use of the word 'trephine' in this context may relate to the round excised area of skin being similar in shape to a burr hole.
He wrote: "Observations on the Nature and Treatment of Glandular Diseases, especially those denominated Cancer," pp. 116, London, 1820, 8vo, and subsequently; also papers in "Defence of Vaccination," &c.; an "Essay on the too frequent Use of the Trephine;" on the "British System of Education;" and many articles in periodicals.
Precaution is taken not to injure the supraorbital nerve. The pus is cultured and irrigated, and the sinus is cleared with a saline or an antibiotic solution. Extra holes are cut in two pieces of french red Robinson rubber catheter or Silastic tubing. The two tubing pieces are inserted through trephine and sutured.
A disposable Jamshidi needle The Jamshidi needle is a trephine needle for performing bone marrow biopsy, whereby a cylindrical sample of tissue, a core biopsy specimen, is obtained. It is a cylindrical needle with a tapered cutting tip. The tapered end reduces the potential of crush artifact. It is the most commonly used needle for performing bone marrow biopsies.
A cylindrically shaped core of bone (or bone biopsy) obtained with a bone marrow trephine is usually examined in the histopathology department of a hospital under a microscope. It shows the pattern and cellularity of the bone marrow as it lay in the bone and is a useful diagnostic tool in certain circumstances such as bone marrow cancer and leukemia.
Dr. Steevens' Hospital in 1780DG18 Dr Steevens' Hospital. Dublin City Council. Retrieved 4 May 2018. Parts of Croker-King's trepanning instrument Croker- King's trepanning instrument configured for use as a trepan (A) and as a trephine (B) Samuel Croker-King (28 June 1728 - 12 January 1817) was an Irish surgeon who was associated with Doctor Steeven's Hospital in Dublin for sixty years.
Trepanations appear to have been most common in areas where weapons that could produce skull fractures were used. The primary theories for the practice of trepanation in ancient times include spiritual purposes and treatment for epilepsy, headache, head wound, and mental disorders. There is some contemporary use of the term. In modern eye surgery, a trephine instrument is used in corneal transplant surgery.
On , Timothy Foster was struck by a tree limb which fractured his skull and rendered him unconscious. His son Stuart Foster and two neighbors walked to Falmouth, Maine, for a surgeon. The surgeon could not return with them, but he gave them a trephine—a saw to bore a hole in Foster's skull. The men did not return in time to save him and he died .
He was bred by Marystead Farm, the American arm of French horseman Paul de Moussac, owner of the Haras du Mezeray stud farm at Ticheville in the Lower Normandy Region of France. Sired by Sharpen Up, he was out of the mare Trephine who was a daughter of Canadian Horse of the Year, Viceregal, a first-crop son of Northern Dancer. He was conditioned for racing by André Fabre.
In 2015, an intact 3,600-year-old mummy with a trepanned skull was discovered. Meanwhile, the oldest trepanned skull (M382) analysed by Han and Chen was radiocarbon dated to around 5,000 years ago and discovered at the Fuija site in Guangrao, Shandong. The skull, which belonged to an adult male, exhibited a right parietal calvarial defect (31 x 25 mm) with evidence of scraping by a trephine-like tool.
To which is added an account of the sibbens. Edinburgh: John Balfour; 1772. Hill had been taught by Young the value of observation and the need for scepticism. Hills's series of head injuries which he had treated were the best published in the eighteenth century. Hill’s ability to clinically diagnose cerebral compression from bleeding following head injury enabled him to treat this successfully by directed trephine and drainage.
Once the type 1 BB is formed in the centre, it is gradually enlarged to maximum size which is about 8 mm. Following this, the bubble is pierced with a trephine or knife (Fig 2B) and the graft is dissected meticulously. It is then stained with a dye (trypan blue) and delineated well (Fig 2C, D). The dissected PDEK graft is then placed in a storage medium till the recipient (patient) is ready for transplantation.
Histomorphometry of bone involves obtaining a bone biopsy specimen and processing of bone specimens in the laboratory, obtaining estimates of the proportional volumes and surfaces occupied by different components of bone. First the bone is broken down by baths in highly concentrated ethanol and acetone. The bone is then embedded and stained so that it can be visualized/analyzed under a microscope. Obtaining a bone biopsy is accomplished by using a bone biopsy trephine.
Just Lucas-Championnière CFDRM While still a student, he traveled to Glasgow in order to study antisepsis under Joseph Lister. Subsequently, he introduced antiseptic surgery to France, publishing an important work on the subject in 1876 that was later translated into English. He also made significant contributions in his work involving bone fractures and hernias. In his research of trepanation, he showed that prehistoric flint tools could make trephine holes in a skull in less than 50 minutes.
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Peter Cornwell is a film director from Australia. Cornwell got his start working at The Australian Broadcasting Commission in Sydney, Australia. Cornwell left ABC in order to create Trephine Production Studios, which he used to complete his award-winning short Ward 13, a stop motion animation that enjoyed success at several international film festivals.January 2004 film reviews Ward 13 received the FIPRESCI Award from the International Federation of Film Critics at Valladolid, and was short-listed for an Oscar nomination in 2005.
Hence, the reason why this method is considered the gold-standard technique for measuring bone remodelling. Patients undergo double tetracycline labelling, and then samples of bone are collected using trephine under local anesthetic from the iliac crest as it is the only readily accessible site for bone biopsy. This technique is subject to large measurement errors; it is complex and costly to perform and is invasive, meaning that it is painful to the patients. For these reasons, a bone biopsy is not readily acceptable to patients.
Schirn Kunstalle Frankfurt: Raphael Rosenberg(ed.), Turner - Hugo - Moreau. Discovery of Abstraction, Munich: Hirmer Verlag, 2007 (the two painters Joseph Mallord, William Turner und Gustave Moreau, as well as the writer Victor Hugo, who also worked as a painter). 7 - It is no coincidence that Ricardo von Brasch, in his black-and-white profile portrait of Neiriz, places the painter next to an African mask; See Ricardo von Brasch, Künstler trephine in Berlin (Artists meet in Berlin), Munich and others: Prestel Verlag, 2008, p. 121\.
14-15 After achieving various bursaries and fellowships he studied medicine at the University of Queensland. Here he edited Trephine, the annual magazine of the University's Medical Society, and demonstrated talent as a singer and actor - appearing in Noël Coward's Blithe Spirit (play) in 1953. He represented the State several times in the University debating competition. He also enjoyed painting. He had early literary aspirations, filing for copyright in 1954 a work entitled Harem by Installments (The Autobiography of Al B Manleigh Jnr) - which does not seem to have ever been published.
Hill's outcomes in treating patients with head injury compares favourably with those of his contemporaries with a mortality rate of 25%, much lower than that of le Dran (57%) or Percival Pott (51%). This was the result of Hill's appreciation of the concept of cerebral compression and his better understanding of the indication for and location of the trephine. Hill's work was recognised and was cited by the influential Edinburgh physician John Abercrombie(1780–1844),Abercrombie J. Pathological and practical researches on diseases of the brain and the spinal cord.
The intentional perforation of the cranium exposes the dura mater to treat health problems related to intracranial diseases or release pressured blood buildup from an injury. It may also refer to any "burr" hole created through other body surfaces, including nail beds. A trephine is an instrument used for cutting out a round piece of skull bone to relieve pressure beneath a surface. In ancient times, holes were drilled into a person who was behaving in what was considered an abnormal way to let out what people believed were evil spirits.
The prefrontal leucotomy, a precursor to lobotomy, was performed by cutting a trephine hole into the skull, inserting an instrument, and destroying parts of the brain. This was later made unnecessary by the development of the "orbital transit" lobotomy where a spike was inserted through the eye-sockets. Trepanation is a treatment used for epidural and subdural hematomas, and surgical access for certain other neurosurgical procedures, such as intracranial pressure monitoring. Although not illegal, medical neurosurgeons refuse to perform trepanation for the concern of losing their medical licenses.
Gustave Le Gray, also in 1957, achieved simultaneous detail in both sky and sea through combination printing in his 'The Great Wave', 1857, Albumen print from collodion-on-glass negative. Museum no. 68:004, Victoria and Albert Museum, London. French architectural photographer Edouard Baldus, commissioned in 1851 to document the state of French architectural heritage, employed combination printing techniques from paper negatives to produce not only panoramas, but also to deal with technical limitations of exposure range and depth of focus, particularly for his Cloister of St.. Trephine, Arles, 1851 He joined vigorously in contemporary debatesRobinson, H. P. (1860).
James Hill's grave in St Michael's Churchyard Dumfries.jpg James Hill (30 October 1703 – 18 October 1776) was a Scottish surgeon working in Dumfries who advocated curative excision for cancer rather than the palliative approach adopted by many leading surgeons of the day. By follow-up of his patients over years he demonstrated that his radical approach resulted in better outcomes than those published by contemporaries. His experience in diagnosing and treating intracranial bleeding after head injury by directed trephine resulted in the best results published in the 18th century and represent an important landmark in the management of post-traumatic intracranial haemorrhage.
As early as 7000 years ago, one of the alternative medicine practice was boring holes in the patient's neurocranium with the aim to cure and not to kill. Similar to bloodletting, trepanation was carried out for both medical reasons and mystical practice. In ancient times, trepanation instruments were less complex, and were commonly made out of flint, obsidian, or harder material such as stone knives, and later with metal such as bronze and copper. Additionally, the procedure was done by shamans or witch doctors utilizing tumi (ceremonial knife in early Peru), sharpened seashells (South Pacific), a trephine drill, bronze knife, etc.
The list includes (1) Rectangular intersecting cuts; (2) Scraping utilizing an abrasive instrument such as flint; (3) Circular grooving; (4) Boring and cutting by a circular trephine or crown saw; (5) Burr hole done by drilling several circle holes closely to create a space and then cut/chisel the bone between the hole. Scraping method was found to be the most common in prehistoric. The differences in method vary in the amount and depth of bone being removed. The trepanation surgical procedure includes exposure of the dura mater without damaging the underlying blood vessels, meninges, and brain.
To this end, it was decided that Lima would trephine into the side of the skull and then inject ethanol into the "subcortical white matter of the prefrontal area" so as to destroy the connecting fibres, or association tracts, and create what Moniz termed a "frontal barrier". After the first operation was complete, Moniz considered it a success and, observing that the patient's depression had been relieved, he declared her "cured" although she was never, in fact, discharged from the mental hospital. Moniz and Lima persisted with this method of injecting alcohol into the frontal lobes for the next seven patients but, after having to inject some patients on numerous occasions to elicit what they considered a favourable result, they modified the means by which they would section the frontal lobes. For the ninth patient they introduced a surgical instrument called a leucotome; this was a cannula that was in length and in diameter.

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