trocar


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Related to trocar: Hasson trocar

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 It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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 After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.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 ?
I then inject my final syringe of dilute vasopressin saline solution at the groin poke incision sites, directed toward the projected trocar path, as opposed to suprapubically.
The investing layer is then sutured back, a drain placed and the trocar sites closed.
Conventional thoracoscopy requires at least a 10 mm trocar (5), however we used a 5.
With his light, the surgeon viewed the interior of Dukes's abdomen, where he saw "a little blood," which he assumed was probably from the initial trocar insertion.
When the scene was filmed, the moviemakers were amused to note that the handle of the real trocar they used was engraved with the word "slaughter.
We are pleased that the Court recognized that Covidien's trocar products are differentiated from our competitors," said Scott Herring, Vice President, Endomechanical and Energy Division, Covidien Surgical Solutions.
In minimally invasive surgery, this requires longer trocars and Veress needles, which are now routinely available.
Wasp technology pre-aligns the edges of the Trocar tip to the rise of the blades, which helps provide a continuous cutting path for increased penetration.
Tuesday marked the conclusion of a patent trial involving discontinued trocar products by United States Surgical (Norwalk, CT), a market leader and innovator of minimally invasive surgical instruments.
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.