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 It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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

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

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it consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to the obturator alone, the entire instrument being designated trocar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 After the trocar and cannula have been inserted into the body, the trocar is withdrawn, leaving the cannula in place.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
References in periodicals archive ?
This report provides in depth study of "Disposable Laparoscopic Trocar Market" using SWOT analysis i.e.
The mean laparoscopic surgery duration was 94.90[+ or -]42.88 min, and the mean time of trocar insertion was 2 (1-5) min.
Veress needle was then removed and a 10mm sharp trocar with over-sleeve was introduced.
It can be moved and used in several locations throughout a surgical procedure such that we can achieve more patient-specific "incisional mapping," as I'm now calling it, rather than uniformly utilizing standard trocar placement sites.
The aim of the study was to assess the safety profile of trocar thoracostomy versus blunt thoracostomy, in terms of the injury to various structures in and around the lung.
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.
High incidence of trocar site hernia after laparoscopic or robotic Roux-en-Y gastric bypass.
(12) Additionally, several studies have examined the rate of robotic trocar site metastasis following surgery for gynecologic cancer and have found it to occur in 1.1 to 1.9 percent of cases.
Closed techniques include Veress Needle (VN) technique and the direct trocar technique, which involve the blind insertion of the trocar directly into the peritoneal cavity, followed by laparoscopic inspection and subsequent gas insufflations.
We used bedside chest sonography to guide safe entry of the trocar. The skin was sterilised with povidone-iodine and local analgesia was with 2% lignocaine.