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US 8,911,465 B2Granted
Devices, systems, methods and kits for performing selective dissection of lung tissue
AssigneePneumRx, Inc.
InventorsMark Mathis, Amelia Lasser, David Lehrberg
Life of this patent
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Abstract
This invention relates to device, systems, kits and methods that enable selective dissection of lung tissue to remove diseased tissue from healthy tissue without damaging blood vessels or airways. The invention and methods enable minimally invasive lung surgery procedures by providing a device and method to perform automated dissection that discriminates against traumatizing critical lung tissue.
Claims20
A method of removing a portion of a lung from other portions of the lung, the method comprising:
- providing a surgical instrument with a source of work energy that is coupled to a dissecting member extending at a forward portion of the instrument, the forward portion of the instrument comprising a plurality of grooves having groove widths;
- activating the source to induce a cyclical motion of the dissecting member;
- contacting the forward portion of the instrument to a lung tissue and to a lung structure so that the dissecting member contacts the lung structure, the lung structure comprising an artery, a vein, or an airway having an outer diameter;
- and
- selectively dissecting lung tissue away from the lung structure with the cyclical motion of the dissecting member while the contact between the lung structure and the forward portion of the instrument inhibits damage to the lung structure, the groove widths being less than the outer diameter of the artery, the vein, or the airway so as to inhibit damage by the cyclical motion of the dissecting member to the artery, the vein, or the airway.
2 more elements
A method of performing a lobectomy of a lung using a surgical instrument, the method comprising:
- a. providing a surgical instrument with a source of work energy that is coupled to a dissecting member extending at a forward portion of the instrument, the forward portion having a plurality of grooves;
- b. activating the source to induce a reciprocating motion of the dissecting member;
- c. contacting the dissecting member to adjacent pleurae along a fissure;
- and
- d. dissecting a lobe of lung away from a tubular lung structure with the reciprocating motion of the dissecting member such that the grooves inhibit injury to the tubular lung structure, the tubular lung structure comprising an artery, a vein, or an airway and having an outer diameter, the outer diameter being more than a width of the grooves.
2 more elements
A method of removing a portion of a lung from other portions of the lung, the method comprising:
- providing a surgical instrument with a source of work energy that is coupled to a dissecting member extending at a forward portion of the instrument, the forward portion of the instrument comprising a plurality of grooves having groove widths;
- activating the source to induce a cyclical motion of the dissecting member;
- contacting the forward portion of the instrument to a lung tissue and to a lung structure so that the dissecting member contacts the lung structure, the lung structure comprising a tubular tissue having an outer diameter;
- and
- selectively dissecting lung tissue away from the lung structure with the cyclical motion of the dissecting member while the contact between the outer diameter of the lung structure and the groove widths of the forward portion of the instrument inhibits damage to the lung structure;
- wherein the cyclical motion comprises a reciprocating motion of the dissection member along a major surface of the dissection member, wherein the dissection member comprises teeth defining the grooves therebetween, and wherein the forward portion of the instrument comprises a grooved body extending along the major surface of the dissection member such that relative motion between teeth of the grooved body and the teeth of the dissection member discriminatingly separates the lung tissue from the lung structure while inhibiting injury to the lung structure, the tubular tissue of the lung structure comprising a vein, an artery, or an airway.
3 more elements
Dependencies are inferred from the claim text.