TOOL FOR RETRACTING A TINE ELEMENT OF A MEDICAL LEAD
First Claim
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1. A tool for retracting a tine of a lead, comprising:
- a body extending from a proximal end to a distal end, the body defining(i) a lumen configured to receive the lead and(ii) a longitudinal slit in communication with the lumen,wherein the longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit, andwherein the tool is configured such that axial rotation of the tool causes the tine to retract into the lumen.
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Abstract
A tool for retracting a tine of a lead includes a body extending from a proximal end to a distal end. The body defines
- (i) a lumen configured to receive the lead and
- (ii) a longitudinal slit in communication with the lumen.
The longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit. The tool and slit are configured such that axial rotation or longitudinal retraction of the tool causes the tine to retract into the lumen.
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Citations
26 Claims
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1. A tool for retracting a tine of a lead, comprising:
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a body extending from a proximal end to a distal end, the body defining (i) a lumen configured to receive the lead and (ii) a longitudinal slit in communication with the lumen, wherein the longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit, and wherein the tool is configured such that axial rotation of the tool causes the tine to retract into the lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system comprising:
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an implantable medical lead having (i) a lead body extending from a proximal end to a distal end and (ii) a tine extending from the lead body; and a tine retraction tool having a body extending from a proximal end to a distal end, the tool body defining (i) a lumen configured to receive the lead body and (ii) a longitudinal slit in communication with the lumen, wherein the longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit, and wherein the tool is configured such that axial rotation of the tool causes the tine to retract into the lumen. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for retracting a tine of a lead with a tool having a body extending from a proximal end to a distal end, the tool body defining
(i) a lumen configured to receive the lead and (ii) a longitudinal slit in communication with the lumen, wherein the longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit, the method comprising: axially rotating a tine retraction tool to cause the tine to retract into a lumen of the tool.
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19. A tine retraction tool comprising:
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a body forming a lumen and a longitudinal slit in communication with the lumen, wherein the lumen is configured to receive a lead, and wherein the longitudinal slit is configured to slidably receive a tine deployed on the lead such that the tine extends through the slit; and a pushing member moveable relative to the body, wherein movement of the pushing member from one side of the longitudinal slit to beyond the other side of the slit causes pushing member to engage the tine and causes the tine to retract into the lumen of the tool. - View Dependent Claims (20, 21)
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22. A tool for retracting a tine of a lead, comprising:
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a body extending from a proximal end to a distal end, the body defining (i) a lumen configured to receive the lead and (ii) a longitudinal slit in communication with the lumen; and wherein the longitudinal slit is configured to slidably receive the tine when the tine is deployed such that the deployed tine extends though the longitudinal slit, wherein the slit includes (i) a first section extending from the distal end of the body to a first location proximal the distal end, and (ii) a second section extending from and in communication with the first section, the second having a width greater than the first section, wherein a wall of the body forms a distal edge of the second slit such that proximal movement of the body relative to the lead, when the tine is deployed in the second section of the slit, causes the distal edge to engage the tine and further distal movement of the tool relative to the lead causes the tine to retract into the lumen. - View Dependent Claims (23, 24, 25)
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26. A method comprising:
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introducing proximal portion of a lead into a distal portion of a lumen of a tine retraction tool, aligning a slit of the tine retraction tool with a tine of the lead; moving the tool distally relative to the lead until the tine extends through the slit; axially rotating the tool relative to the lead to cause the tine to occupy a second portion of the slit having a distal edge distal the tine; moving the tool proximally relative to the lead to cause the tine to engage the distal edge and retract into a lumen of the tool.
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Specification