Balloon catherer

• US 20040079429A1
• Filed: 10/22/2003
• Published: 04/29/2004
• Est. Priority Date: 06/26/2001
• Status: Active Grant

• Current Assignee: Stryker Corporation
• Original Assignee: Concentric Medical, Inc. (Stryker Corporation)
• Inventors: Miller, John, Aboytes, Maria, Pierce, Ryan K., Dieck, Martin
• Granted Patent: US 7,766,049 B2
• Time in Patent Office: Days
• US Class Current: 138/123
• CPC Class Codes: A61M 2025/0034 characterized by elements which are assembled, connected or fused, e.g. splittable tubes, outer sheaths creating lumina or separate cores making of catheters A61M25/0009
• CPC Class Codes: A61M 2025/0036 with more than four lumina
• CPC Class Codes: A61M 2025/0039 characterized by lumina being arranged coaxially
• CPC Class Codes: A61M 2025/004 characterized by lumina being arranged circumferentially
• CPC Class Codes: A61M 2025/0042 Microcatheters, cannula or the like having outside diameters around 1 mm or less
• CPC Class Codes: A61M 2025/1052 for temporarily occluding a vessel for isolating a sector
• CPC Class Codes: A61M 2025/1061 having separate inflations tubes, e.g. coaxial tubes or tubes otherwise arranged apart from the catheter tube
• CPC Class Codes: A61M 2025/1088 having special surface characteristics depending on material properties or added substances, e.g. for reducing friction
• CPC Class Codes: A61M 2025/1093 having particular tip characteristics
• CPC Class Codes: A61M 2210/0693 Brain, cerebrum
• CPC Class Codes: A61M 25/003 characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves catheter tips A61M25/0067
• CPC Class Codes: A61M 25/005 with embedded materials for reinforcement, e.g. wires, coils, braids
• CPC Class Codes: A61M 25/0053 having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
• CPC Class Codes: A61M 25/0054 with regions for increasing flexibility
• CPC Class Codes: A61M 25/10 Balloon catheters A61M25/0125 takes precedence; embolectomy A61B17/22032; retractors A61B17/02; inflatable balloons for placing stents or stent-grafts A61F2/958 ; stomach balloons for treatment of obesity A61F5/0003; oesophagal tubes A61J15/00
• CPC Class Codes: A61M 25/1027 Making of balloon catheters

Abstract

This is a balloon catheter having at least two lumens. One of the lumens is a large working lumen. The balloon catheter is especially useful as a guide catheter or micro catheter and may be used in a variety of therapeutic and diagnostic procedures. In particular, it has value in treating neurovascular embolic strokes in combination with other devices which are delivered to the stroke site through that working lumen. The remainder of the lumens typically are used to inflate and to deflate the balloon.

Claims

1. A braided tubular structure comprising a plurality of component tubular members each having longitudinal lumens, woven radially in and out to form said substantially tubular braided structure.

2. The braided tubular structure of claim 37 wherein the component tubular members are comprised of polymeric tubing.

3. The braided tubular structure of claim 37 wherein the component tubular members are comprised of metallic tubing.

4. The braided tubular structure of claim 39 where the metallic tubing comprises a superelastic alloy.

5. The braided tubular structure of claim 40 wherein the superelastic alloy comprises nickel and titanium.

6. The braided tubular structure of claim 37 further comprising at least one polymeric tubular member exterior to said substantially tubular braided structure.

7. The braided tubular structure of claim 42 wherein said braided tubular structure is of a size and shape suitable for introduction into a human blood vessel.

8. The braided tubular structure of claim 37 where said plurality of component tubular members longitudinal lumens are fluidly connected to a plenum at least one of the distal and proximal ends.

1-1. A braided tubular structure comprising a plurality of component tubular members each having longitudinal lumens, woven radially in and out to form said substantially tubular braided structure.

2-2. The braided tubular structure of claim 1, [[37]] wherein the component tubular members are comprised of polymeric tubing.

3-3. The braided tubular structure of claim 1, [[37]] wherein the component tubular members are comprised of metallic tubing.

4-4. The braided tubular structure of claim 3, [[39]] where the metallic tubing comprises a superelastic alloy.

5-5. The braided tubular structure of claim 4, [[40]] wherein the superelastic alloy comprises nickel and titanium.

6-6. The braided tubular structure of claim 1, [[37]] further comprising at least one polymeric tubular member exterior to said substantially tubular braided structure.

7-7. The braided tubular structure of claim 6, [[42]] wherein said braided tubular structure is of a size and shape suitable for introduction into a human blood vessel.

8-8. The braided tubular structure of claim 1, [[37]] where said plurality of component tubular members longitudinal lumens are fluidly connected to a plenum at least one of the distal and proximal ends.