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Orbitoclast
An orbitoclast was a surgical instrument used for performing transorbital lobotomies. Because actual ice picks were used in initial experimentation and because of continued close resemblance to ice pick shafts, the procedure was dubbed "ice pick lobotomy". History and description It was invented by Dr. Walter Freeman in 1948 to replace the unique form of leucotome used up until that point for the transorbital lobotomy procedure. This instrument is, essentially, an ice pick with some gradation marks etched onto the shaft. The operation involved placing the pick behind the eye socket of the patient and breaking through the thin layer of bone found there by applying a hammer to the end of the pick and driving the instrument into the frontal lobes. The pick would then be swung medially and laterally to separate the frontal lobes from the thalamus. In 1948, Freeman embellished the procedure by adding the deep frontal cut, an additional swing of the pick deep into the lobe which plac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leucotome
A leucotome or McKenzie Leucotome is a surgical instrument used for performing leucotomies (also known as lobotomy) and other forms of psychosurgery. Invented by Canadian neurosurgeon Dr. Kenneth G. McKenzie in the 1940s, the leucotome has a narrow shaft which is inserted into the brain through a hole in the skull, and then a plunger on the back of the leucotome is depressed to extend a wire loop or metal strip into the brain. The leucotome is then rotated, cutting a core of brain tissue. This type was used by the Nobel prize-winning Portuguese neurologist Egas Moniz. Another, different, surgical instrument also called a leucotome was introduced by Walter Freeman for use in the transorbital lobotomy. Modeled after an ice-pick, it consisted simply of a pointed shaft. It was passed through the tear duct under the eyelid and against the top of the eyesocket. A mallet was used to drive the instrument through the thin layer of bone and into the brain along the plane of the bridge o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surgical Instrument
A surgical instrument is a tool or device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. Over time, many different kinds of surgical instruments and tools have been invented. Some surgical instruments are designed for general use in all sorts of surgeries, while others are designed for only certain specialties or specific procedures. Classification of surgical instruments helps surgeons to understand the functions and purposes of the instruments. With the goal of optimizing surgical results and performing more difficult operations, more instruments continue to be invented in the modern era. History Many different kinds of surgical instruments and tools have been invented and some have been repurposed as medical knowledge and surgical practices have developed. As surgery practice diversified, some tools are advanced for higher accuracy and stability while som ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transorbital Lobotomy
A lobotomy, or leucotomy, is a form of neurosurgical treatment for psychiatric disorder or neurological disorder (e.g. epilepsy) that involves severing connections in the brain's prefrontal cortex. The surgery causes most of the connections to and from the prefrontal cortex, the anterior part of the frontal lobes of the brain, to be severed. In the past, this treatment was used for treating psychiatric disorders as a mainstream procedure in some countries. The procedure was controversial from its initial use, in part due to a lack of recognition of the severity and chronicity of severe and enduring psychiatric illnesses, so it was claimed to be an inappropriate treatment. Frontal lobe surgery, including lobotomy, is the second most common surgery for epilepsy to this day, and usually done on one side of the brain, unlike lobotomies for psychiatric disorder which were done on both sides of the brain. The originator of the procedure, Portuguese neurologist António Egas Moniz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Walter Freeman (neurologist)
Walter Jackson Freeman II (November 14, 1895 – May 31, 1972) was an American physician who specialized in lobotomy. Early years Walter J. Freeman was born on November 14, 1895, and raised in Philadelphia, Pennsylvania, by his parents. Freeman's grandfather, William Williams Keen, was well known as a surgeon in the Civil War. His father was also a very successful doctor. Freeman attended Yale University beginning in 1912, and graduated in 1916. He then moved on to study neurology at the University of Pennsylvania Medical School. While attending medical school, he studied the work of William Spiller and idolized his groundbreaking work in the new field of the neurological sciences. Freeman applied for a coveted position working alongside Spiller in his home town of Philadelphia, but was rejected. Shortly afterward, in 1924, Freeman relocated to Washington, D.C., and started practicing as the first neurologist in the city. Upon his arrival in Washington, Freeman began work direc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ice Pick
The ice pick is a pointed metal tool used from the 1800s to the 1900s to break, pick or chip at ice. The design consists of a sharp metal spike attached to a wooden handle. The tool's design has been relatively unchanged since its creation. The only notable differences in the design are the material used for the handle. The handle material is usually made out of wood but can also be made from plastic or rubber. These materials can be better in terms of safety and allow the user to better grip the pick during use. History During the 1800s, ice blocks were gathered from frozen water sources and distributed to nearby homes. Ice picks were used to easily cut the blocks into smaller pieces for use. In many cases these smaller blocks were used in iceboxes. Iceboxes are similar in use to refrigerators with the major difference being that iceboxes could only stay cold for a limited time. They needed to be restocked with ice regularly to continue proper functioning. The ice pick slowly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frontal Lobes
The frontal lobe is the largest of the four major lobes of the brain in mammals, and is located at the front of each cerebral hemisphere (in front of the parietal lobe and the temporal lobe). It is parted from the parietal lobe by a groove between tissues called the central sulcus and from the temporal lobe by a deeper groove called the lateral sulcus (Sylvian fissure). The most anterior rounded part of the frontal lobe (though not well-defined) is known as the frontal pole, one of the three poles of the cerebrum. The frontal lobe is covered by the frontal cortex. The frontal cortex includes the premotor cortex, and the primary motor cortex – parts of the motor cortex. The front part of the frontal cortex is covered by the prefrontal cortex. There are four principal gyri in the frontal lobe. The precentral gyrus is directly anterior to the central sulcus, running parallel to it and contains the primary motor cortex, which controls voluntary movements of specific body parts. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thalamus
The thalamus (from Greek θάλαμος, "chamber") is a large mass of gray matter located in the dorsal part of the diencephalon (a division of the forebrain). Nerve fibers project out of the thalamus to the cerebral cortex in all directions, allowing hub-like exchanges of information. It has several functions, such as the relaying of sensory signals, including motor signals to the cerebral cortex and the regulation of consciousness, sleep, and alertness. Anatomically, it is a paramedian symmetrical structure of two halves (left and right), within the vertebrate brain, situated between the cerebral cortex and the midbrain. It forms during embryonic development as the main product of the diencephalon, as first recognized by the Swiss embryologist and anatomist Wilhelm His Sr. in 1893. Anatomy The thalamus is a paired structure of gray matter located in the forebrain which is superior to the midbrain, near the center of the brain, with nerve fibers projecting out to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nobel Prize For Physiology Or Medicine
The Nobel Prize in Physiology or Medicine is awarded yearly by the Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Prize is not a single prize, but five separate prizes that, according to Alfred Nobel's 1895 will, are awarded "to those who, during the preceding year, have conferred the greatest benefit to humankind". Nobel Prizes are awarded in the fields of Physics, Chemistry, Physiology or Medicine, Literature, and Peace. The Nobel Prize is presented annually on the anniversary of Alfred Nobel's death, 10 December. As of 2022, 114 Nobel Prizes in Physiology or Medicine have been awarded to 226 laureates, 214 men and 12 women. The first one was awarded in 1901 to the German physiologist, Emil von Behring, for his work on serum therapy and the development of a vaccine against diphtheria. The first woman to receive the Nobel Prize in Physiology or Medicine, Gerty Cori, received it in 1947 for her role in elucidating the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leucotomy
A lobotomy, or leucotomy, is a form of neurosurgical treatment for psychiatric disorder or neurological disorder (e.g. epilepsy) that involves severing connections in the brain's prefrontal cortex. The surgery causes most of the connections to and from the prefrontal cortex, the anterior part of the frontal lobes of the brain, to be severed. In the past, this treatment was used for treating psychiatric disorders as a mainstream procedure in some countries. The procedure was controversial from its initial use, in part due to a lack of recognition of the severity and chronicity of severe and enduring psychiatric illnesses, so it was claimed to be an inappropriate treatment. Frontal lobe surgery, including lobotomy, is the second most common surgery for epilepsy to this day, and usually done on one side of the brain, unlike lobotomies for psychiatric disorder which were done on both sides of the brain. The originator of the procedure, Portuguese neurologist António Egas Moniz, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lobotomy
A lobotomy, or leucotomy, is a form of neurosurgical treatment for psychiatric disorder or neurological disorder (e.g. epilepsy) that involves severing connections in the brain's prefrontal cortex. The surgery causes most of the connections to and from the prefrontal cortex, the anterior part of the frontal lobes of the brain, to be severed. In the past, this treatment was used for treating psychiatric disorders as a mainstream procedure in some countries. The procedure was controversial from its initial use, in part due to a lack of recognition of the severity and chronicity of severe and enduring psychiatric illnesses, so it was claimed to be an inappropriate treatment. Frontal lobe surgery, including lobotomy, is the second most common surgery for epilepsy to this day, and usually done on one side of the brain, unlike lobotomies for psychiatric disorder which were done on both sides of the brain. The originator of the procedure, Portuguese neurologist António Egas Moniz, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surgical Instruments
A surgical instrument is a tool or device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. Over time, many different kinds of surgical instruments and tools have been invented. Some surgical instruments are designed for general use in all sorts of surgeries, while others are designed for only certain specialties or specific procedures. Classification of surgical instruments helps surgeons to understand the functions and purposes of the instruments. With the goal of optimizing surgical results and performing more difficult operations, more instruments continue to be invented in the modern era. History Many different kinds of surgical instruments and tools have been invented and some have been repurposed as medical knowledge and surgical practices have developed. As surgery practice diversified, some tools are advanced for higher accuracy and stability while so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
