DEFLECTABLE IMPLANTATION DEVICE AND METHOD FOR USE
First Claim
Patent Images
1. A medical device comprising:
- an elongated sleeve with a distal end and a proximal end;
a needle slidable within the elongated sleeve, the needle including a distal segment, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve;
the needle being formed of a shape memory material; and
the distal segment of the needle having a preformed shape trained into it such that it assumes the preformed shape upon being slid beyond the distal end of the elongated sleeve in the body.
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Accused Products
Abstract
Systems, apparatus, components and methods are disclosed that allow the clinician to circumvent the pubic arch in instances where it interferes with insertion of instrumentation into the prostate or periprostatic tissue. The systems, apparatus and components disclosed herein employ structures, such as needles and trocars, of shape memory alloys, such as nickel-titanium (Ni—Ti) for the purpose of avoiding the pubic arch when accessing the prostate from the perineum.
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Citations
75 Claims
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1. A medical device comprising:
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an elongated sleeve with a distal end and a proximal end;
a needle slidable within the elongated sleeve, the needle including a distal segment, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve;
the needle being formed of a shape memory material; and
the distal segment of the needle having a preformed shape trained into it such that it assumes the preformed shape upon being slid beyond the distal end of the elongated sleeve in the body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 34)
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16. A medical device comprising:
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an elongated sleeve with a distal end and a proximal end;
a leading member slidable within the elongated sleeve, the leading member including a distal segment, at least a portion of a distal segment slideable beyond the distal end of the elongated sleeve;
the leading member being formed of a shape memory material; and
the at least a portion of the distal segment of the leading member having a preformed shape trained into it such that it assumes the preformed shape upon being slid beyond the distal end of the elongated sleeve in the body. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38)
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39. A medical device comprising:
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an elongated sleeve with a distal end and a proximal end;
a trocar slidable within the elongated sleeve, the trocar including a distal segment, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve;
the trocar being formed of a shape memory material; and
the at least a portion of the distal segment of the trocar having a preformed shape trained into it such that it assumes the preformed shape upon being slid beyond the distal end of the elongated sleeve in the body. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46)
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47. A method for treating at least a portion of the prostate comprising:
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a) providing an apparatus comprising;
an elongated sleeve with a distal end and a proximal end;
a needle slidable within the elongated sleeve, the needle including a distal segment, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve; and
the needle being formed of a shape memory material, with a curved shape preformed into at least the distal portion;
b) moving the apparatus to a sufficient depth within the prostate in a direction from the perineum to the prostate;
c) extending at least a portion of the distal segment beyond the distal end of the elongated sleeve to the desired site within the prostate, such that upon contact with the prostate tissue, the needle returns to its preformed shape; and
d) guiding at least one treatment element through at least a portion of the needle to the desired site within the prostate. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 59, 60, 61)
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55. A method for treating at least a portion of the prostate comprising:
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a) providing an apparatus comprising;
an elongated sleeve with a distal end and a proximal end;
a needle slidable within the elongated sleeve, the needle including a distal segment, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve; and
the needle being formed of a shape memory material, with a curved shape preformed into at least the distal portion;
b) providing at least one treatment element in the distal segment of the needle;
c) moving the apparatus to a sufficient depth within the prostate in a direction from the perineum to the prostate;
d) extending at least a portion of the distal segment beyond of the needle the distal end of the elongated sleeve to the desired site within the prostate, such that upon contact with the prostate tissue, the needle returns to its preformed shape; and
e) guiding the at least one treatment element through at least a portion of the needle to the desired site within the prostate. - View Dependent Claims (56, 57, 58)
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62. A method for treating at least a portion of the prostate comprising:
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a) providing an apparatus comprising;
an elongated sleeve with a distal end and a proximal end;
a needle slidable within the elongated sleeve, the needle including a distal segment at a distal end of the needle, at least a portion of the distal segrnent slideable beyond the distal end of the elongated sleeve; and
the needle being formed of a shape memory material, with a curved shape preformed into at least the distal portion;
b) moving the apparatus to a sufficient depth within the prostate in a direction from the perineum to the prostate;
c) extending at least a portion of the distal segment of the needle beyond the distal end of the elongated sleeve to the desired site within the prostate, such that upon contact with the prostate tissue, the needle returns to its preformed shape;
d) removing the elongated sleeve from the body;
e) moving a sheath over the needle to a point proximate the distal end of the needle;
f) removing the needle from the body; and
g) guiding at least one treatment element through at least a portion of the sheath to the desired site within the prostate. - View Dependent Claims (63, 64, 65, 66, 67, 68, 69)
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70. A method for treating at least a portion of the prostate comprising:
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a) providing an apparatus comprising;
an elongated sleeve with a distal end and a proximal end;
a trocar slidable within the elongated sleeve, the trocar including a distal segment at a distal end of the trocar, at least a portion of the distal segment slideable beyond the distal end of the elongated sleeve; and
the trocar being formed of a shape memory material, with a curved shape preformed into at least the distal portion;
b) moving the apparatus to a sufficient depth within the prostate in a direction from the perineum to the prostate;
c) extending at least a portion of the distal segment of the trocar beyond the distal end of the elongated sleeve to the desired site within the prostate, such that upon contact with the prostate tissue, the trocar returns to its preformed shape;
d) removing the elongated sleeve from the body;
e) moving a sheath over the trocar to a point proximate the distal end of the trocar;
f) removing the trocar from the body; and
g) guiding at least one treatment element through at least a portion of the sheath to the desired site within the prostate. - View Dependent Claims (71, 72, 73, 74, 75)
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Specification