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 Laparoscopic T-tube, drain and securing instrument and method therefor

Details
Inventors: Knoepfler, Dennis J.;
Assignee:
Primary Examiner: Rosenbaum; C. Fred
Assistant Examiner: Mendez; Manuel
Attorney, Agent or Firm: Wood, Herron & Evans

A combination laparoscopic T-tube, drain and balloon instrument comprises T-tube means, drain means, and balloon means and is insertable into a common bile duct and operable to evacuate fluids therefrom. The drain means is adjacent the T-tube means and is operable to evacuate fluids from the abdominal cavity and the balloon means is adjacent the T-tube means and drain means and is operable to fixate the T-tube within the common bile duct. To insert the instrument through a cannula and into a common bile duct, a V-tip stylet is provided which is a slender rigid rod with a V-tip on a distal end of the rod. A method is provided whereby the V-tip stylet is utilized to introduce the instrument through a cannula and into a common bile duct. In another embodiment, the invention comprises a T-tube, a drain adjacent the T-tube, and a flexible resilient member connected to the ends of the T-tube for configuring the T-tube generally straight for insertion into a bile duct, and for configuring the T-tube into a generally T configuration within the bile duct. The T-tube and drain are joined so as to function as an integral instrument.

DETAILED DESCRIPTION It is therefore an object of the present invention to provide a laparoscopic T-tube which is easily insertable through a cannula and into a common bile duct for use during a laparoscopy.
It is another object of the present invention to provide a T-tube which can be fixed within a common bile duct without having to suture it in place.
It is yet another object of the present invention to provide a medical instrument which drains bile and fluids from a patient's abdomen which have escaped from the common bile duct and have not been collected by the T-tube drain.
It is still a further object of the present invention to provide a combination surgical instrument insertable through a single cannula thereby avoiding multiple portal entries into a patient's abdomen.
In accordance with the stated objects, a combination laparoscopic T-tube, drain and balloon or securing device instrument is provided.
The instrument comprises a T-tube means which is insertable into a common bile duct within a patient's abdominal cavity to evacuate fluids from the common bile duct, a drain means adjacent the T-tube to evacuate fluids from the abdominal cavity, and a balloon means adjacent the T-tube and drain which can fix the T-tube within the common bile duct.
The T-tube means comprises an elongated tube having a T portion on its distal end and a proximal end which can be attached to a bile bag to aid in evacuating and collecting fluids from the common bile duct.
The drain means comprises an elongated tube having a plurality of openings along its distal end and a proximal end which can be attached to a vacuum bulb to aid in evacuating and collecting the fluids from the abdominal cavity.
The balloon means comprises an elongated tube having an inflatable balloon on a distal end and a proximal end which can be attached to a syringe to inflate the balloon with saline for fixing the balloon and the T portion of the T-tube within the common bile duct.
The respective tubes of the T-tube, drain and balloon are connected along lengths thereof to provide one integral combination instrument easily manipulated and inserted through a cannula



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