Surgical device
First Claim
Patent Images
1. A surgical device, comprising:
- a guide tube having a proximal end, a distal end, and an inside diameter;
a protective sleeve having an inner diameter larger than an outer diameter of the guide tube;
a needle having a proximal end and a distal end, the needle comprising;
a longitudinal portion having a diameter suitable to be slidably received within the inside diameter of the guide tube; and
a helical element comprising a tube or a wire formed into a helical shape disposed at the distal end of the needle, wherein a distal end of the helical element is suitable for piercing tissue, and wherein a tip of the distal end of the helical element is configured to pierce the tissue through rotation of the helical element in a direction perpendicular to the longitudinal portion; and
a tapered element located distally relative to the longitudinal portion and proximally relative to the helical element, the tapered element having a diameter less than the diameter of the longitudinal portion and a diameter of the tube or the wire of the helical element, the tapered element being configured to extend beyond the distal end of the guide tube and being configured to collapse by drawing, in a direction parallel to the longitudinal portion, the longitudinal portion closer to the helical element, when a force parallel to the longitudinal portion of the needle is applied to the proximal end of the needle during piercing of the tissue, the collapse of the tapered element to prevent a build up of pressure against the tissue by the needle, wherein the tapered element is shorter relative to the longitudinal portion;
wherein the protective sleeve is able to be positioned at least partially over the helical element.
1 Assignment
0 Petitions
Accused Products
Abstract
A surgical device comprises a guide tube having a proximal end, a distal end, and an inside diameter. A needle has a proximal end and a distal end. The needle comprises a longitudinal portion having a diameter suitable to be slidably received within the inside diameter of the guide tube. The needle comprises a helical element disposed at the distal end of the needle.
-
Citations
19 Claims
-
1. A surgical device, comprising:
-
a guide tube having a proximal end, a distal end, and an inside diameter; a protective sleeve having an inner diameter larger than an outer diameter of the guide tube; a needle having a proximal end and a distal end, the needle comprising; a longitudinal portion having a diameter suitable to be slidably received within the inside diameter of the guide tube; and a helical element comprising a tube or a wire formed into a helical shape disposed at the distal end of the needle, wherein a distal end of the helical element is suitable for piercing tissue, and wherein a tip of the distal end of the helical element is configured to pierce the tissue through rotation of the helical element in a direction perpendicular to the longitudinal portion; and a tapered element located distally relative to the longitudinal portion and proximally relative to the helical element, the tapered element having a diameter less than the diameter of the longitudinal portion and a diameter of the tube or the wire of the helical element, the tapered element being configured to extend beyond the distal end of the guide tube and being configured to collapse by drawing, in a direction parallel to the longitudinal portion, the longitudinal portion closer to the helical element, when a force parallel to the longitudinal portion of the needle is applied to the proximal end of the needle during piercing of the tissue, the collapse of the tapered element to prevent a build up of pressure against the tissue by the needle, wherein the tapered element is shorter relative to the longitudinal portion; wherein the protective sleeve is able to be positioned at least partially over the helical element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A surgical device, comprising:
-
a guide tube having a proximal end and a distal end; a protective sleeve having an inner diameter larger than an outer diameter of the guide tube; an inflatable member at least partially surrounding a portion of the guide tube and positioned proximal to the distal end of the guide tube, the inflatable member comprising an outer perimeter; a needle having a proximal end and a distal end, wherein the proximal end of the needle is attached to the distal end of the guide tube; a helical element comprising a tube or a wire formed into a helical shape disposed at the distal end of the needle, wherein the helical element is configured to pierce tissue through rotation of the helical element; and wherein the protective sleeve surrounds at least a portion of the guide tube and is able to be positioned at least partially over the helical element, the protective sleeve moveable at least between a first position outside an incision of the tissue created by piercing of the tissue by the helical element and a second position at least partially inside the incision of the tissue, the protective sleeve configured to; shield the inflatable member throughout the protective sleeve moving from the first position to the second position, wherein the inflatable member is positioned at least partially inside the incision of the tissue at the second position; and expose the inflatable member for inflation by moving from the second position to the first position, the inflatable member remaining at the second position; and wherein the inflatable member is configured to inflate while at least partially inside the incision of the tissue at the second position. - View Dependent Claims (13, 14, 15, 16, 17)
-
-
18. A surgical device, comprising:
-
a guide tube comprising a proximal end and a distal end; a conduit having an inner diameter larger than an outer diameter of the guide tube; an inflatable member at least partially surrounding a portion of the conduit and positioned proximal to the distal end of the guide tube, the inflatable member comprising an outer perimeter; a sleeve at least partially surrounding a portion of the guide tube, the sleeve comprising an elongate channel comprising an inner diameter larger than the outer diameter of the guide tube and larger than an outer diameter of the conduit; and a needle configured to be slidably disposed within the guide tube located distally relative to the inflatable member, the needle comprising; a longitudinal portion slidably disposed within an inside diameter of the guide tube; a helical element comprising a tube or a wire formed into a helical shape disposed at a distal end of the needle, wherein a tip of a distal end of the helical element is suitable for piercing tissue, and wherein the helical element is configured to pierce the tissue through rotation of the helical element; and a tapered element located distally relative to the longitudinal portion and proximally relative to the helical element;
wherein the tapered element comprises;a first tapered segment; a second tapered segment; and a middle segment located between the first and second tapered segments, the middle segment having a diameter which is less than a diameter of any one of the longitudinal portion of the needle and the helical element, wherein the tapered element is shorter relative to the longitudinal portion; wherein the sleeve is moveable at least between a first position outside an incision of the tissue created by piercing of the tissue by the helical element and a second position at least partially inside the incision of the tissue, the sleeve configured to; shield the inflatable member throughout the sleeve moving from the first position to the second position, wherein the inflatable member is positioned at least partially inside the incision of the tissue at the second position; and expose the inflatable member for inflation by moving from the second position to the first position, the inflatable member remaining at the second position; and wherein the inflatable member is configured to inflate while at least partially inside the incision of the tissue at the second position. - View Dependent Claims (19)
-
Specification