Ommaya reservoir

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1. a storage place or cavity.
2. an alternate or passive host or carrier that harbors pathogenic organisms without injury to itself and serves as a source from which other individuals can be infected.
cardiotomy reservoir in cardiopulmonary bypass, a collection chamber for blood suctioned from the heart chambers and pericardium.
continent ileal reservoir an intra-abdominal pouch having a volume of at least 500 ml and a valve created from a portion of the ileum, pulled through the stoma, and lying flat against the abdominal wall; it maintains continence of feces and is emptied by a catheter when full. See also continent ileostomy and kock pouch.
ileoanal reservoir see ileoanal reservoir.
Ommaya reservoir a device implanted in the brain for instillation of medication or removal of fluid through a catheter in a lateral ventricle. When used for the direct administration of chemotherapy, it enhances the concentration of medication in brain tissue.

Om·ma·ya res·er·voir

a plastic container placed in the subgaleal space that is connected to a lateral ventricle or tumor cyst by tubing; it is used to instill medication into, or remove fluid from, the ventricle or tumor cyst.

Ommaya reservoir

a device placed under the scalp and used to deliver anticancer drugs to the cerebrospinal fluid.
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Ommaya reservoir

Ommaya reservoir

Oncology A reservoired device implanted under the scalp with a catheter to a ventricle, used to deliver chemotherapy to the CSF


Ayub Khan, U.S. neurosurgeon, 1930–.
Ommaya cerebrospinal fluid reservoir
Ommaya intraventricular reservoir system
Ommaya reservoir
Ommaya reservoir implant material
Ommaya reservoir prosthesis
Ommaya reservoir transensor
Ommaya retromastoid reservoir
Ommaya shunt
Ommaya side-port flat-bottomed reservoir
Ommaya suboccipital reservoir
Ommaya tube
Ommaya ventricular reservoir
References in periodicals archive ?
In a MEDLINE search of English literature, we found only 12 cases of GAS meningitis reported in the pediatric age group since year 2000 but no cases of GAS meningitis in a child with Ommaya reservoir.
The use of an Ommaya reservoir for administration of morphine sulphate to control pain in select cancer patients.
Since administration of intrathecal chemotherapy is an important component of the treatment of ALL (3), an Ommaya reservoir was subsequently inserted to allow the patient to complete therapy.