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 It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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 After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.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 ?
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.
Optical trocar systems: laparoscopic entry and its complications.
Zivanovic and colleagues (13) conducted a study (1,694 patients) examining the rate of trocar site metastasis in women who underwent traditional laparoscopic surgery for suspected gynecologic malignancy.
There are four basic techniques used to create pneumoperitoneum: Blind VN, Direct trocar insertion, Optical trocar insertion, and Open laparoscopic surgery.
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.
Conventional thoracoscopy requires at least a 10 mm trocar (5), however we used a 5.
10mm Trocar in an oversleeve was introduced steadily till a hissing sound was heard and/or a change in resistance was felt.
One trocar is used to host a 30[degrees] lens laparoscopic camera, two trocars host surgeon's graspers and cautery while a 4th (optional) trocar is used for fan retractor insertion (Fig.
It is simply placed by piercing the tympanic membrane with the trocar tip.