Apparatus and method for performing a thoracic operation

Claim 2

In a kit of instruments adapted for use in performing a percutaneous thoracic operation on a patient, a hollow needle having one end adapted to be inserted into said patient through the chest wall, between a pair of ribs, and into the pleural cavity; and a hollow tube having a distal portion and a proximal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into said pleural cavity, said distal portion having at least one aperture therein and being adapted to be connected to means for evacuating fluid from said pleural cavity of said patient through said hollow tube, said distal portion of said hollow needle being adapted to receive a section of said distal portion of said hollow tube, and a first means carried on an interior surface of said distal portion of said hollow needle and a second means carried on an exterior surface of said section of said hollow tube being adapted to lock said hollow needle and said hollow tube together.

Claim 3

Apparatus as claimed in claim 1, further comprising a cover means adapted to be mounted over at least a portion of said needle and a portion of said tube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said tube in said pleural cavity of said patient, said cover means including anchor means adapted to be fastened to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 4

In a kit of instruments adapted for use in performing a percutaneous thoracic operation on a patient, a hollow needle having one end adapted to be inserted into said patient through the chest wall, between a pair of ribs, and into the pleural cavity; and a hollow tube having a distal portion and a proximal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into said pleural cavity, said distal portion having at least one aperture therein and being adapted to be connected to means for evacuating fluid from said pleural cavity of said patient through said hollow tube, said distal portion of said hollow needle being adapted to receive a section of said distal portion of said hollow tube, and a first means carried on an interior surface of said distal portion of said hollow needle and a second means carried on an exterior surface of said section of said hollow tube being adapted to lock said hollow needle and said hollow tube together; and a cover means adapted to be mounted over at least a portion of said needle and a portion of said tube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said tube in said pleural cavity of said patient; means formed on each of said cover means, said needle and said tube adapted to lock said cover means, said needle and said tube together; and anchor means formed on said cover means adapted to be fastened to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 5

In a kit of instruments adapted for use in performing a percutaneous thoracic operation on a patient, a hollow needle having one end adapted to be inserted into said patient through the chest wall, between a pair of ribs, and into the pleural cavity; and a hollow tube having a distal portion and a proximal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into said pleural cavity, said distal portion having at least one aperture therein and being adapted to be connected to means for evacuating fluid from said pleural cavity of said patient through said hollow tube, said distal portion of said hollow needle being adapted to receive a section of said distal portion of said hollow tube, and a first means carried on an interior surface of said distal portion of said hollow needle and a second means carried on an exterior surface of said section of said hollow tube being adapted to lock said hollow needle and said hollow tube together; and a cover means adapted to be mounted over at least a portion of said needle and a portion of said tube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said tube in said pleural cavity of said patient; means formed on each of said cover means, said needle and said tube adapted to lock said cover means, said needle and said tube together; and anchor means formed on said cover means adapted to be fastened to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 6

In a kit of instruments adapted for use in performing a percutaneous thoracic operation on a patient, a hollow needle having one end adapted to be inserted into said patient through the chest wall, between a pair of ribs, and into the pleural cavity; and a hollow tube having a distal portion and a proximal portion and being adapted to be inserted through said hollow needle into said pleural cavity, said distal portion having at least one aperture therein and being adapted to be connected to means for evacuating fluid from said pleural cavity of said patient through said hollow tube, said hollow tube being formed of a silastic compound, said proximal portion of said hollow tube having a plurality of rows of small, separated apertures extending along the walls thereof, the walls of said proximal portion otherwise having sufficient rigidity to enable the end of said proximal portion to be directed toward the apex of the lung of a patient having a documented pneumothorax but having sufficient flexibility to conform to the wall of said pleural cavity as the lung of said patient expands upon evacuation of air from said pleural cavity through said tube.

Claim 7

In a kit of instruments adapted for use in performing a percutaneous thoracic operation on a patient, a hollow needle having one end adapted to be inserted into said patient through the chest wall, between a pair of ribs, and into the pleural cavity; and a hollow tube having a distal portion and a proximal portion and being adapted to be inserted through said hollow needle into said pleural cavity, said distal portion having at least one aperture therein and being adapted to be connected to means for evacuating fluid from said pleural cavity of said patient through said hollow tube, said hollow tube being formed of a silastic compound, said proximal portion of said hollow tube having a plurality of rows of small, separated apertures extending along the walls thereof, the walls of said proximal portion otherwise having sufficient rigidity to enable the end of said proximal portion to be directed toward the apex of the lung of a patient having a documented pneumothorax but having sufficient flexibility to conform to the wall of said pleural cavity as the lung of said patient expands upon evacuation of air from said pleural cavity through said tube.

Claim 8

In a kit of instruments adapted for use in performing a percutaneous thoracostomy on a patient having a documented pneumothorax, a hollow metal needle adapted to be inserted into said patient through the chest wall between a pair of ribs and into the pleural cavity; and a hollow rubber pneumotube having a proximal portion and a distal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into the thoracic cavity of said patient, said proximal portion having at least one aperture therein and being adapted to be connected to means for evacuating air from said thoracic cavity through said pneumotube; said distal portion of said pneumotube having a larger diameter than said proximal portion thereof, said hollow needle having an enlarged distal end portion adapted to receive a front section of said distal portion of said pneumotube, and means formed on an interior surface of said distal portion of said needle and means formed on an exterior portion of said front section of said pneumotube being adapted to lock said needle and said pneumotube together.

Claim 9

In a kit of instruments adapted for use in performing a percutaneous thoracostomy on a patient having a documented pneumothorax, a hollow metal needle adapted to be inserted into said patient through the chest wall between a pair of ribs and into the pleural cavity; and a hollow rubber pneumotube having a proximal portion and a distal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into the thoracic cavity of said patient, said proximal portion having at least one aperture therein and being adapted to be connected to means for evacuating air from said thoracic cavity through said pneumotube; said distal portion of said pneumotube having a larger diameter than said proximal portion thereof, said hollow needle having an enlarged distal end portion adapted to receive a front section of said distal portion of said pneumotube, and means formed on an interior surface of said distal portion of said needle and means formed on an exterior portion of said front section of said pneumotube being adapted to lock said needle and said pneumotube together.

Claim 10

Apparatus as claimed in claim 5, further comprising a cover means adapted to be mounted over at least a portion of said needle and a portion of said pneumotube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said pneumotube in said thoracic cavity, said cover means including anchor means adapted to be sutured to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 11

In a kit of instruments adapted for use in performing a percutaneous thoracostomy on a patient having a documented pneumothorax, a hollow metal needle adapted to be inserted into said patient through the chest wall between a pair of ribs and into the pleural cavity; and a hollow rubber pneumotube having a proximal portion and a distal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into the thoracic cavity of said patient, said proximal portion having at least one aperture therein and being adapted to be connected to means for evacuating air from said thoracic cavity through said pneumotube; said distal portion of said pneumotube having a larger diameter than said proximal portion thereof, said hollow needle having an enlarged distal end portion adapted to receive a front section of said distal portion of said pneumotube, and means formed on an interior surface of said distal portion of said needle and means formed on an exterior portion of said front section of said pneumotube being adapted to lock said needle and said pneumotube together; and a cover means adapted to be mounted over at least a portion of said needle and a portion of said pneumotube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said tube in said thoracic cavity of said patient; means formed on said cover means, said needle and said tube adapted to lock said cover means, said needle and said tube together; and anchor means formed on said cover means and adapted to be fastened to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 12

In a kit of instruments adapted for use in performing a percutaneous thoracostomy on a patient having a documented pneumothorax, a hollow metal needle adapted to be inserted into said patient through the chest wall between a pair of ribs and into the pleural cavity; and a hollow rubber pneumotube having a proximal portion and a distal portion, said proximal portion having at least one aperture therein and being adapted to be inserted through said hollow needle into the thoracic cavity of said patient, said proximal portion having at least one aperture therein and being adapted to be connected to means for evacuating air from said thoracic cavity through said pneumotube; said distal portion of said pneumotube having a larger diameter than said proximal portion thereof, said hollow needle having an enlarged distal end portion adapted to receive a front section of said distal portion of said pneumotube, and means formed on an interior surface of said distal portion of said needle and means formed on an exterior portion of said front section of said pneumotube being adapted to lock said needle and said pneumotube together; and a cover means adapted to be mounted over at least a portion of said needle and a portion of said pneumotube after said needle has been withdrawn from the chest of said patient leaving said proximal portion of said tube in said thoracic cavity of said patient; means formed on said cover means, said needle and said tube adapted to lock said cover means, said needle and said tube together; and anchor means formed on said cover means and adapted to be fastened to the skin of the chest of said patient with sutures to maintain said cover means, said needle and said tube in a fixed position on said patient.

Claim 13

Apparatus as claimed in claim 2, 3, 6 or 7, wherein said cover means comprises a top section and a bottom section, each of said sections having semicircular shaped cavities therein adapted to receive one half of said needle, said top and bottom portions being adapted to snap together to captivate said needle with said pneumotube extending therethrough.

Claim 14

In a method for performing a percutaneous thoracostomy on a patient having a documented pneumothorax, the steps comprising: (a) inserting a hollow needle through the chest wall of said patient between a pair of ribs and into the thoracic cavity with the leading end of said needle generally directed toward the apex of the chest cavity; (b) inserting through said needle a proximal portion of a pneumotube having a plurality of apertures therein; (c) partially advancing the end of said proximal portion of said pneumotubes toward the apex of the chest cavity; (d) withdrawing said hollow needle from said patient's chest; (e) fully advancing the proximal end of said pneumotube to the apex of the patient's chest cavity; and (f) evacuating air from said patient's thoracic cavity through said pneumotube to enable said patient's lung to expand within said thoracic cavity.

Claim 15

In a method for performing a percutaneous thoracostomy on a patient having a documented pneumothorax, the steps comprising: (a) inserting a hollow needle through the chest wall of said patient between a pair of ribs and into the thoracic cavity with the leading end of said needle generally directed toward the apex of the chest cavity; (b) inserting through said needle a proximal portion of a pneumotube having a plurality of apertures therein; (c) partially advancing the end of said proximal portion of said pneumotubes toward the apex of the chest cavity; (d) withdrawing said hollow needle from said patient's chest; (e) fully advancing the proximal end of said pneumotube to the apex of the patient's chest cavity; and (f) evacuating air from said patient's thoracic cavity through said pneumotube to enable said patient's lung to expand within said thoracic cavity.

Claim 16

The method of claim 9, wherein a step prior to inserting said hollow needle comprises penetrating the skin of the patient with a surgical blade to enable easier insertion of said needle.

Claim 17

The method claimed in claim 9 wherein the steps after removing said needle from the chest wall of the patient comprise assembling a cover having at least two suture anchors thereon over the needle and pneumotube and sewing the cover to the skin of the chest of the patient with sutures at said two anchors to maintain said cover, said needle and said pneumotube in position on said patient.

Claim 18

In a method for performing a percutaneous thoracostomy on a patient having a documented pneumothorax, the steps comprising: (a) instilling a local anasthetic at the inferior border of the third rib at the mid-clavicular line to anesthetize a tunnel subcutaneously to and above the superior border of the third rib, through the second intercostal space above the third rib until the thoracic cavity is entered as determined by the withdrawal of air therefrom; (b) penetrating the skin at the mid-clavicular line of the inferior border of the third rib with a small surgical blade to form a small incision therein; (c) inserting a hollow needle at an angle through the incision in the direction of the apex of the chest cavity and advancing the leading edge of said needle through the anesthetized tract into the thoracic cavity above the third rib; (d) inserting the apertured proximal end portion of a pneumotube through the needle and advancing the proximal end of said tube in the direction of the apex of the chest cavity; (e) withdrawing the hollow needle from the chest wall just prior to the leading edge of the pneumotube reaching the apex of the chest cavity; (f) fully advancing the proximal end of the pneumotube to the apex of the chest cavity; (g) placing a plastic cover having suture anchors thereon over the needle and the pneumotube and sewing the plastic cover to the skin of the chest of the patient with sutures at said suture anchors to maintain the needle and the pneumotube in a fixed position on the patient; (h) and evacuating air from the thoracic cavity of the patient through said pneumotube to allow the lung of said patient to expand.

Claim 19

In a method for performing a percutaneous thoracostomy on a patient having a documented pneumothorax, the steps comprising: (a) instilling a local anasthetic at the inferior border of the third rib at the mid-clavicular line to anesthetize a tunnel subcutaneously to and above the superior border of the third rib, through the second intercostal space above the third rib until the thoracic cavity is entered as determined by the withdrawal of air therefrom; (b) penetrating the skin at the mid-clavicular line of the inferior border of the third rib with a small surgical blade to form a small incision therein; (c) inserting a hollow needle at an angle through the incision in the direction of the apex of the chest cavity and advancing the leading edge of said needle through the anesthetized tract into the thoracic cavity above the third rib; (d) inserting the apertured proximal end portion of a pneumotube through the needle and advancing the proximal end of said tube in the direction of the apex of the chest cavity; (e) withdrawing the hollow needle from the chest wall just prior to the leading edge of the pneumotube reaching the apex of the chest cavity; (f) fully advancing the proximal end of the pneumotube to the apex of the chest cavity; (g) placing a plastic cover having suture anchors thereon over the needle and the pneumotube and sewing the plastic cover to the skin of the chest of the patient with sutures at said suture anchors to maintain the needle and the pneumotube in a fixed position on the patient; (h) and evacuating air from the thoracic cavity of the patient through said pneumotube to allow the lung of said patient to expand.