Gamma knife definition

Gamma knife means a special stereotactic radiosurgery unit consisting of multiple cobalt sources all simultaneously focused to irradiate cancer or other neoplasms in the brain or cerebrovascular system abnormalities.
Gamma knife means equipment Gamma knife. – Equipment which emits photon beams from a stationary radioactive cobalt source to treat lesions deep within the brain and is one type of stereotactic radiosurgery.
Gamma knife means a dedicated device for stereotactic radiosurgery which employs multiple cobalt-60 sealed radiation sources aimed at a single isocenter. The gamma knife may also be used to perform stereotactic radiotherapy.

Examples of Gamma knife in a sentence

  • Gamma knife procedures and stereotactic procedures are covered under Outpatient Surgery for the purposes of determining Copayments.

  • Gamma knife surgery in mesial temporal lobe epilepsy: a prospective multicentre study.

  • Gamma knife radiosurgery for malignant melanoma brain metastases.

  • Gamma knife surgery for epilepsy related to hypothalamic hamartomas.

  • Gamma knife radiosurgery for primary management for trigeminal neuralgia.

  • Gamma knife radiosurgery for the treatment of trigeminal neuralgia.

  • Gamma knife radiosurgery in the treatment of tumor-related facial pain.

  • Gamma knife radiosurgery as a single treatment modality for large cerebral arteriovenous malformations.

  • Gamma knife thalamotomy for Parkinson disease and essential tremor: a prospective multicenter study.

  • Gamma knife radiosurgery for trigeminal neuralgia: the dry-eye complication.


More Definitions of Gamma knife

Gamma knife in clauses A through H, inclusive, of Paragraph 3.9 of the Operating Agreement shall mean and be deemed to refer to the Equipment.
Gamma knife means the Leksell Gamma Knife, as such term is defined in the LGK Purchase Agreement.

Related to Gamma knife

  • Prosthesis means an artificial substitute for a missing body part.

  • Cannabidiol means a finished preparation containing, of its total cannabinoid content, at least 98 percent cannabidiol and not more than 0.90 percent tetrahydrocannabinol by volume that has been extracted from marijuana or synthesized in a laboratory.

  • Pyrolysis means the thermal degradation of a substance in the absence of any oxidising agent, which does not form part of the substance itself, to produce char and gas and/or liquid; and

  • Cannabinoid extract means a substance obtained by separating cannabinoids from marijuana by:

  • Coagulation means a process using coagulant chemicals and mixing by which colloidal and suspended materials are destabilized and agglomerated into flocs.

  • Medical marijuana concentrate means a specific subset of Medical Marijuana that was produced by extracting cannabinoids from Medical Marijuana. Categories of Medical Marijuana Concentrate include Water-Based Medical Marijuana Concentrate, Food-Based Medical Marijuana Concentrate and Solvent-Based Medical Marijuana Concentrate.

  • Tissue means a portion of the human body other than an organ or an eye. The term does not include blood unless the blood is donated for the purpose of research or education.

  • Orthodontic means a type of specialist dental treatment carried out by an orthodontist that diagnoses, prevents and corrects mispositioned teeth and jaws and misaligned bite patterns.

  • Cosmetology means any one and/or combination of practices generally and usually performed by and known as the occupation of beauty culturalist, cosmeticians, cosmetologists or hairdressers or any person holding him or herself out as practicing cosmetology in or upon a place or premises. Cosmetology shall include, but otherwise not be limited to, the following: embellishing, arranging, dressing, curling, waving, cleansing, beautifying, cutting, singeing, bleaching, coloring, or similar work upon the hair of any person by any means and with hands or mechanical or electrical apparatuses, devices or appliances or by use of cosmetic preparations, antiseptics, tonics, lotions, creams or otherwise, massaging, cleansing, stimulating, manipulating, exercising, beautifying or similar work, the scalp, face, neck, arms, hands, bust or upper part of the body, or manicuring, pedicuring or sculpting the nails of any person.

  • Marijuana products means concentrated marijuana products and marijuana products that are comprised of marijuana and other ingredients and are intended for use or consumption, such as, but not limited to, edible products, ointments, and tinctures.

  • Surgery means any of the following:

  • Diagnostic mammography means a method of screening that

  • Stereotactic radiosurgery means the use of external radiation in conjunction with a stereotactic guidance device to very precisely deliver a therapeutic dose to a tissue volume.

  • Anesthesiologist means a physician granted clinical privileges to administer anesthesia.

  • Cannabinoid means any of the chemical compounds that are the active constituents of marijuana.

  • Medical marijuana waste or "waste" means unused,

  • Fluoroscopic imaging assembly means a subsystem in which X-ray photons produce a visual image. It includes the image receptor(s) such as the image intensifier and spot-film device, electrical interlocks, if any, and structural material providing linkage between the image receptor and diagnostic source assembly.

  • Physiotherapist means a person who is a) duly registered with the Supplementary Medical Professions Council of Hong Kong pursuant to the Supplementary Medical Professions Ordinance (Cap. 359 of the Laws of Hong Kong) or in relation to jurisdictions outside of Hong Kong, a body of equivalent standing; and b) legally authorised for practising physiotherapy in the locality where the treatment is provided to an Insured, but in no circumstance shall include the Insured, the Policyholder, an insurance intermediary or an employer, employee, Immediate Family Member or business partner(s) of the Policyholder and/or the Insured(s).

  • Vaccine means a specially prepared antigen which, upon administration to a person, will result in immunity and, specifically for the purposes of this rule, shall mean influenza and pneumococcal vaccines.

  • Brachytherapy means a method of radiation therapy in which sealed sources are utilized to deliver a radiation dose at a distance of up to a few centimeters, by surface, intracavitary, or interstitial application.

  • Laser means any device excepting a Class 1 device which can be made to produce or amplify electromagnetic radiation in the wave length range from 100 nanometres to 1 millimetre primarily by the process of controlled stimulated emission.

  • Epinephrine auto-injector means a device for immediate self-administration or administration by another trained person of a measured dose of epinephrine to a person at risk of anaphylaxis.

  • Marijuana-infused products means products that contain marijuana or marijuana extracts and are intended for human use. The term "marijuana-infused products" does not include useable marijuana.

  • Pump spray means a packaging system in which the product ingredients within the container are not under pressure and in which the product is expelled only while a pumping action is applied to a button, trigger or other actuator.

  • Nematode means invertebrate animals of the phylum nemathelminthes, and class nematoda, i.e., unsegmented round worms with elongated, fusiform, or saclike bodies covered with cuticle, and inhabiting soil, water, plants, or plant parts, may also be called nemas or eelworms.

  • Nonambulatory means a person who immediately and without the aid of another is not physically and mentally capable of traveling a normal path to safety, including the ascent and descent of stairs.