What's the difference between incision and trocar?

Incision


Definition:

  • (n.) The act of incising, or cutting into a substance.
  • (n.) That which is produced by incising; the separation of the parts of any substance made by a cutting or pointed instrument; a cut; a gash.
  • (n.) Separation or solution of viscid matter by medicines.

Example Sentences:

  • (1) Midsagittal or parasagittal pontomedullary brainstem incisions were performed in 4 cats.
  • (2) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (3) In a double-blind trial, 50 patients with subcostal incisions performed for cholecystectomy or splenectomy, received 10 ml of either 0.5% bupivacaine plain or physiological saline twice daily by wound perfusion through an indwelling drainage tube for 3 days after operation.
  • (4) Measurements were made of the width of the marginal gap for three sites at each of four stages: (1) after the shoulder firing, (2) after the body-incisal firing, (3) after the glaze firing, and (4) after a correction firing.
  • (5) The reduction in respiratory function in those subjects without an abdominal incision demonstrated that other factors, particularly the influence of a general anaesthesia, need to be taken into account.
  • (6) It is unnecessary to make any special more complicated incision designed to avoid lymphatics.
  • (7) The advantages of pars plana approach are the small incision and minimal ocular manipulation during surgery.
  • (8) The operative approach is through an incision above the medial canthus.
  • (9) The authors recall the advantages of low transcartilage incision in rhinoplasty and, by means of several technical details, illustrate the value of this approach in submucosal dissection.
  • (10) By making the incision inside the hairline, there is no increase in the height of the pubic hair.
  • (11) If transportation is unduly delayed, immediate linear incision and suction may be of value.
  • (12) Following orthodontic treatment the canine's incisal edge occlusion demonstrates the tip and torque present in the appliance that was used.
  • (13) Middle-ear exploration in six patients revealed abundant granulation tissue; multiple granulomas and acid-fast bacilli were demonstrated on a section of tissue from one patient with a nonhealing mastoidectomy incision.
  • (14) At surgery, upon incision of the paravertebral muscle fascia, viscous pale fluid was encountered emanating from a foramen in the thoracic lamina.
  • (15) The sample was divided into three groups based on the degree of pretreatment overbite: openbite subsample--no incisal overlap; overlap subsample--incisal overlap and no incisal contact; contact subsample--incisal overlap with incisal contact.
  • (16) The usual approach to the inferior orbit has been through a subciliary skin incision and dissection of a skin flap to the orbital rim.
  • (17) Bojan Krkic had been snuffed out in his central role for Stoke and Hughes’s tweaks would have paid off if Diouf’s finishing had been more incisive.
  • (18) Compared with a matched group without ultrasonic visualization, the eventual site for uterine incision and morbidity to the mother and fetus were not significantly different.
  • (19) The incision was then extended toward the opening of the left coronary artery.
  • (20) Not intimately associated with a nonvital tooth or found to have any communication with the incisive canal.

Trocar


Definition:

  • (n.) A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.

Example Sentences:

  • (1) Following this combination procedure the patients were relieved completely of obstructive jaundice and right upper quadrant pain, leaving only small trocar insertion scars made during the short course of hospitalization.
  • (2) The sutures exit through the periumbilical trocars.
  • (3) The trocar mounted on the main stem of the circular stapler allows the stem of the main device to be brought out through the distal staple line.
  • (4) Only endoscopic cryosurgery enables a precise and exact control by means of viewing through the endoscopic trocar along with simultaneous rectal feeling, both of which enable us to achieve an exact supervision of the size of the subvesically-formed freezing sphere adjacent to the rectum.
  • (5) These observations suggest that direct trocar insertion is safer for patients in terms of operative time, need for additional CO2, and especially risk of multiple instrument insertions, always a blind procedures with potential for injury.
  • (6) To the authors' knowledge, there have been no previous reports to describe tumor implants in the abdominal trocar sites after diagnostic laparoscopic biopsies of ovarian tumors of low malignant potential.
  • (7) Round K-wires with either a diamond point or a high rake-angle trocar point were compared with each other and with C-wires, which have a rounded square cross section and a short diamond point.
  • (8) In this study a new trocar-cannula-unit(10 French) is introduced, which was used in a prospective randomised comparative study in 74 patients for suprapubic bladder punction.
  • (9) Two cases of tumor implants occurring in the abdominal trocar sites after diagnostic laparoscopic biopsies of ovarian papillary serous tumors of low malignant potential are presented.
  • (10) Two additional trocars were inserted at the level of the umbilicus at the anterior axillary lines.
  • (11) A special trocar permits the introduction of the catheter to be done more gently, causes less scarring, and does away with the lower Dacron cuff.
  • (12) The equipment consisted of the standard fiberoptic Welch-Allyn pediatric sigmoidoscope modified by replacing the obturator with a sharp pyrimidal trocar.
  • (13) A small trocar is passed under radiographic control, and balloon dilatation is performed over a guidewire.
  • (14) The trocar catheter was found to be a simple, practical, and safe instrument for suprapubic bladder drainage.
  • (15) This patient was a 32-year old woman who had Hulka clip sterilization without any difficulties, using a 10 mm trocar and a Wolff laparoscope, with 3 liter carbon dioxide for induction of pneumoperitoneum.
  • (16) The authors devised a brain biopsy technique through only one burr hole under real time monitoring, using a small foot-print transducer, 12 mm in diameter, and a special trocar with engraved scales on its surface.
  • (17) Coaxial trocar technique (19 patients) permits initial insertion of softer and often larger catheters (9-14 French feeding tubes), which are less likely to clog or require exchange; the intragastric balloon support method facilitates trocar insertion.
  • (18) The device consists of two acrylic cylinders, an acrylic template with an array of holes that serve as guides for trocars, and a cover plate.
  • (19) The sonographically detectable catheter may be placed via a Seldinger technique or trocar method.
  • (20) The mark V Filshie clip was applied a few cm from the horn of the uterus with an applicator which was introduced intraperitoneally with a special trocar.

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