Definition : Biopsy needles designed to obtain tissue samples from the brain. These needles typically include an inner needle that is attached to an external aspiration syringe and an outer needle (cannula) to cut the aspirated tissue that is extracted by pulling out the inner needle. Brain biopsy needles are used to perform biopsies of cystic lesions and suspected tumors. Needles that can be used in stereotactic procedures, either under radiographic or magnetic resonance imaging guidance, are available.
Ad-Tech Medical has been dedicated to providing the finest devices for the surgical treatment of epilepsy as well as devices for neurosurgery. Ad-Tech's epilepsy monitoring products have become known as the "gold standard". And we continue to innovate and create products with the patient in mind.
Second in a series of national research studies on healthcare's transition from volume to value, conducted by ORC International and commissioned by Change Healthcare
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There are 3 types of search. Please only use one option at a time.
1) Build a boolean search string.
Ensure that document matches include...
2) Search for a phrase:
3) Search on part of a word:
Information on how to use Search
There are 2 types of basic queries: Terms and Phrases.
A Term is a single word search.
A Phrase would wrap a string of words in quotes and find matches on the extact string.
Boolean Operators You can combine basic queries with Boolean operators to form a more complex query. Boolean operators define the relationships between Terms or Phrases. Our search supports the following Boolean operators: AND, "+", OR, NOT and "-". Please note that Boolean operators must be all uppercase.
AND example search: default AND document
This is the default operator. It will be used if there is no Boolean operator between two terms. For example:
default document is the same as default AND document. In this case both terms need to exist within a listing to find a match on that listing.The + character is synonymous with using AND.
OR example search: default OR document
In this case just one of the terms needs to exist within a listing to find a match on that listing.
NOT example search: default NOT "document type"
The NOT operator excludes documents that contain the term (or phrase) after NOT. So a listing match would have to include the word default but not the phrase "document type". The - character is synonymous with using NOT.
Wildcard/Prefix queries You can perform "wildcard" or "prefix" queries using the '*' operator. Whereas all of the previous search found exact matches on the whole term or phrase, a wildcard search will find partial matches.
example search: ehr*
This query will match all documents containing words beginning with the prefix 'ehr' like the word Ehrlichia.
