US5782898A — System for anchoring mid-lead electrode on an end…

Claim 1

Independent Claim 142 words

An endocardial catheter lead comprising: an elongated insulative body member; at least two conductors disposed within the insulative body member, including: a first conductor connected at a distal end of the lead body member to a distal end electrode and at a proximal end of the body member to a first connector; and a second conductor connected at a mid-lead portion of the body member to a mid-lead electrode and at the proximal end of the body member to a second connector; and at least one fibrosis-anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and having therein an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 2

Dependent Claim 142 words

An endocardial catheter lead comprising: an elongated insulative body member; at least two conductors disposed within the insulative body member, including: a first conductor connected at a distal end of the lead body member to a distal end electrode and at a proximal end of the body member to a first connector; and a second conductor connected at a mid-lead portion of the body member to a mid-lead electrode and at the proximal end of the body member to a second connector; and at least one fibrosis-anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and having therein an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 3

Dependent Claim 28 words

The catheter lead of claim 1 wherein the endocardial lead is a endocardial lead and the mid-lead portion is adapted for positioning within the atrium of the heart.

Claim 4

Dependent Claim 32 words

The catheter lead of claim 1 comprising a plurality of fibrosis-anchoring openings including a first opening positioned proximal to the mid-lead electrode and a second opening positioned distal to the mid-lead electrode.

Claim 5

Dependent Claim 25 words

The catheter lead of claim 3 wherein each fibrosis-anchoring opening includes a plurality of adjacent openings oriented along a longitudinal axis of the body member.

Claim 6

Dependent Claim 33 words

The catheter lead of claim 1 wherein the mid-lead electrode includes at least two atrial electrodes spaced apart along the insulative body member for pacing and sensing the atrium in a bi-polar configuration.

Claim 7

Dependent Claim 17 words

The catheter lead of claim 5 wherein the fibrosis-anchoring opening is positioned between the two atrial electrodes.

Claim 8

Dependent Claim 33 words

The catheter lead of claim 1 wherein the anchoring material is selected from the set consisting of: a biocompatible fabric, a polymer mesh, polyester, porous film, polyethylene, polypropolyene or an expanded polytetraflouroethylene material.

Claim 9

Dependent Claim 27 words

The catheter lead of claim 1 further comprising biasing means operative along the mid-lead portion for biasing the mid-lead electrode against the interior wall of the heart.

Claim 10

Dependent Claim 61 words

The catheter lead of claim 1 wherein the insulative body member is comprised of an inner tube having a cross-sectional area that is generally coextensive along a longitudinal length of the body member between the proximal end and the distal end of the body member containing the first and second conductors and an outer tube in which the opening is defined.

Claim 11

Dependent Claim 24 words

The catheter lead of claim 1 wherein the anchor material is a woven material that include fibers which extend outward beyond the catheter body.

Claim 12

Dependent Claim 111 words

An endocardial catheter lead comprising: an elongated insulative body member; a conductor connected at a mid-lead portion of the catheter body to a mid-lead electrode and at the proximal end of the catheter body to a connector; and at least one fibrosis-anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and at least 2 cm from a distal end of the catheter body and having positioned therein an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 13

Dependent Claim 111 words

An endocardial catheter lead comprising: an elongated insulative body member; a conductor connected at a mid-lead portion of the catheter body to a mid-lead electrode and at the proximal end of the catheter body to a connector; and at least one fibrosis-anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and at least 2 cm from a distal end of the catheter body and having positioned therein an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 14

Independent Claim 133 words

A method of forming an endocardial catheter lead comprising the steps of: (a) providing an elongated insulative body member; (b) inserting a conductor into the insulative body member and connecting the conductor to a mid-lead electrode at a mid-lead portion of the catheter body and to a connector at the proximal end of the catheter body; creating at least one fibrosis anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and at least 2 cm from a distal end of the catheter body; and (d) disposing in the opening an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 15

Independent Claim 133 words

A method of forming an endocardial catheter lead comprising the steps of: (a) providing an elongated insulative body member; (b) inserting a conductor into the insulative body member and connecting the conductor to a mid-lead electrode at a mid-lead portion of the catheter body and to a connector at the proximal end of the catheter body; creating at least one fibrosis anchoring opening defined in an exterior surface of the insulative body member and positioned along the insulative body member proximate the mid-lead electrode and at least 2 cm from a distal end of the catheter body; and (d) disposing in the opening an anchoring material comprising: at least a portion of a sheet having multiple openings defined therein for securing the catheter lead against the interior wall of the heart by fibrosis.

Claim 16

Dependent Claim 66 words

The method of claim 12 wherein the insulative body member is comprised of an inner tube and an outer tube and wherein the conductor is inserted into the inner tube in step (b) and the opening is created in the outer tube in step (c) and further comprising the step of: (e) coaxially assembling the inner tube and the outer tube to form the catheter lead.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-07-20	2002-01-19	2002-07-21	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-07-20	2006-01-19	2006-07-21	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-07-20	2010-01-19	2010-07-21	$7700.00	Window Closed / Lapsed

System for anchoring mid-lead electrode on an endocardial catheter lead

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag