trocar

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Related to trocars: Trochar

trocar

 [tro´kahr]
a sharp-pointed instrument equipped with a cannula; used to puncture the wall of a body cavity and withdraw fluid or to introduce an endoscope.

tro·car

(trō'kar),
An instrument for withdrawing fluid from a cavity, or for use in paracentesis. It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar and cannula.
[Fr. trocart, fr. trois, three, + carre, side (of a sword blade)]

trocar

/tro·car/ (tro´kahr) a sharp-pointed instrument equipped with a cannula, used to puncture the wall of a body cavity and withdraw fluid.

trocar

(trō′kär′)
n.
A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.

trocar

[trō′kär]
Etymology: Fr, trois, three, carres, sides
a sharp, pointed rod that fits inside a tube. It is used to pierce the skin and the wall of a cavity or canal in the body to aspirate fluids, to instill a medication or solution, or to guide the placement of a soft catheter. The trocar is usually removed, and the catheter, tube, or instrument is left in place. See also cannula.

trocar

Laparoscopic surgery A blunt needle-shaped instrument used to withdraw fluid from a body cavity, or perform a 'centesis'. See Saber BTblunt-tip surgical.

tro·car

(trō'kahr)
An instrument for withdrawing fluid from a cavity, or for use in paracentesis; it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar and cannula.
[Fr. trocart, fr. trois, three, + carre, side (of a sword blade)]

trocar

A sharp-pointed surgical stilette normally used within a CANNULA to allow its insertion into a body cavity. After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.

Trocar

A sharp pointed tube through which a needle can be inserted.
Mentioned in: Joint Biopsy

trocar

a sharp-pointed, needle-like instrument equipped with a cannula; used to puncture the wall of a body cavity and withdraw fluid or gas. An especially large bore trocar and cannula, 1.0 to 1.5 cm diameter, is used in the treatment of bloat in cattle.

bleeding trocar
a large bore, about 10 gauge, needle with a ferruled hub for the attachment of rubber tubing.
Duchenne's trocar
a trocar for obtaining specimens of deep-seated tissues.
References in periodicals archive ?
2) dilating tip trocar 5mm x 100mm and 10 or 12mm x 100mm;
Then dissection was carried out using diathermy hook to remove gall bladder from liver bed while securing hemostasis and freed gall bladder was removed through umbilical trocar using improvised endo-bag made of sterilized surgical gloves.
Two years on from the product's launch, Cardiff Medicentre-based Alesi has introduced its redesigned product - the Ultravision Trocar - which builds on the technology already harnessed and brings further benefits to those involved in surgical procedures.
Does the use of pneumoperitoneum and disposable trocars prevent bowel injury at laparoscopy a randomised experimental study in the rabbit?
With my index finger underneath the pubic bone, the trocar tip, with the attached sling, is advanced with my thumb directly toward the ipsilateral shoulder just until it pops through the retropubic space.
1,2 More than half of these complications are related to gaining access3 and majority of these are observed during insertion of primary umbilical trocar.
A statement from Spire Cardiff Hospital said: "We routinely use disposable trocars.
Classic describes trocars as complex, sleeve-like tools that provide surgeons with a tunnel in which to insert instruments such as laparoscopes for certain minimally invasive surgical procedures.
The three are the Versaport[TM] bladeless optical 5 mm trocar and two new line extensions to the LigaSure[TM] 5 mm blunt tip sealer/divider portfolio.