Lead delivery device and method

• US 8,920,432 B2
• Filed: 05/29/2009
• Issued: 12/30/2014
• Est. Priority Date: 09/24/2002
• Status: Active Grant

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Drake, Ronald Alan, Tobin, Lindsey Marie, Spear, Stanten C., Hayden, Scott William, Asleson, Andrea Jean, Waldhauser, Steven Lawrence, Yasger, Kendra
• Primary Examiner(s): Schaetzle, Kennedy
• Assistant Examiner(s): LEE, ERICA SHENGKAI
• Application Number:
  US12/474,425
• Publication Number:
  US 20090326550A1
• Time in Patent Office: 2,041 Days
• Field of Search: None
• US Class Current: 606/129
• CPC Class Codes: A61B 2017/22047 Means for immobilising the guide wire in the patient
• CPC Class Codes: A61B 2017/22048 Balloons
• CPC Class Codes: A61M 2025/09125 Device for locking a guide wire in a fixed position with respect to the catheter or the human body
• CPC Class Codes: A61M 2025/09183 having tools at the distal tip
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• CPC Class Codes: A61M 25/09041 Mechanisms for insertion of guide wires
• CPC Class Codes: A61N 1/056 Transvascular endocardial electrode systems
• CPC Class Codes: A61N 1/059 Anchoring means
• CPC Class Codes: A61N 2001/0585 Coronary sinus electrodes

Abstract

A medical apparatus includes a guidewire and a fixator catheter. The fixator catheter comprises a tubular body with a distal portion and a proximal portion, and further includes a distal opening, a fixator secured to the distal portion, and a body opening arranged between the fixator and the proximal portion. The guidewire passes through the body opening and the distal opening of the fixator catheter. The fixator is movable between a compact configuration and an expanded configuration and, in the expanded condition, is capable of anchoring the guidewire and fixator catheter in a lumen of a blood vessel.

Claims

1. A medical apparatus comprising:

an electrically conductive lead for a medical device, the lead having an internal bore terminating at a distal lead opening;

a lead delivery device for delivering the distal end of the lead to a blood vessel during implantation of the lead, the lead delivery device comprising;

a removably anchorable guidewire; and

a fixator attached to a distal portion of the guidewire for anchoring the guidewire, the fixator capable of passing through the distal lead opening of the lead; and

the apparatus further comprising a fixator deployment device, the fixator deployment device capable of deploying the fixator to anchor the guidewire, wherein the fixator deployment device comprises a collapsible sleeve for sealing an inner lumen of the guidewire.

2. The medical apparatus of claim 1, wherein the fixator comprises a at least one expandable lobe.

3. The medical apparatus of claim 1, wherein the fixator comprises a selectively activated portion of the guidewire movable between a compact configuration and an expanded configuration.

4. A medical apparatus comprising:

an electrically conductive lead for a medical device, the lead having an internal bore terminating at a distal lead opening;

a lead delivery device for delivering the distal end of the lead to a blood vessel during implantation of the lead, the lead delivery device comprising;

a removably anchorable guidewire; and

a fixator attached to a distal portion of the guidewire for anchoring the guidewire, the fixator capable of passing through the distal lead opening of the lead; and

the apparatus further comprising a fixator deployment device, the fixator deployment device capable of deploying the fixator to anchor the guidewire, wherein the fixator deployment device comprises means for sealing an inner lumen of the guidewire.

5. The medical apparatus of claim 4, wherein the fixator comprises a at least one expandable lobe.

6. The medical apparatus of claim 4, wherein the fixator comprises a selectively activated portion of the guidewire movable between a compact configuration and an expanded configuration.