IP Library › Granted Patent US 12,318,556
Granted Patent B2
US 12,318,556 · App. 18/499,818 · Granted Jun 3, 2025

Progressive flexibility catheter support frame

Inventor: Robert J. Cottone (Davie, FL)
Assignee: ORBUSNEICH MEDICAL PTE. LTD.
A61M25/0069A61M25/0023A61M25/0043A61M25/0045A61M25/0051A61M25/0054A61M25/0102A61M25/0662A61M25/0013A61M2025/0047A61M2025/006A61M2205/0266
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Quick Facts
Patent No.
US 12,318,556
App. No.
18/499,818
Granted
Jun 3, 2025
Kind
B2
Abstract

Cut-pattern designs creating a frame structure from a solid tube, which may be used as a portion of medical device, such as a catheter. The tube includes a plurality of units of cutout segments which are distributed in a band around a circumference of the tube. A tube can have multiple different zones, each having units with varying cutout segments. The cutout segments can have varying cutout surface area allowing the flexibility of the tube to be modified at any point along the tube by altering the cutout surface area with zones having greater cutout surface areas as compared to another zone are more flexible. The tube can be incorporated into a catheter.

Claims (12)

1. A guide catheter extension, comprising:

a tube having a proximal end, a distal end, a longitudinal axis, and a transition section positioned at the proximal end of the tube, wherein the transition section defines an opening oriented substantially perpendicular to the longitudinal axis of the tube, wherein the tube further comprises a plurality of sections having different cut patterns therein, wherein each section has a different flexibility than the other sections, and wherein the tube has an increasing flexibility from the proximal end to the distal end;

a push rod, wherein the push rod has a proximal and distal end, and is attached at a junction to the proximal end of the tube;

a radiopaque tip positioned at the distal end of the tube, wherein the tip has a proximal and distal end,

an outer jacket, formed from a polymer, at least partially disposed on an outer diameter of the tube;

an inner liner at least partially disposed within a lumen, wherein the inner liner is adhered to the outer jacket; and

a radially outwardly extending flare that is adhered to the tube and that is configured to prevent the backflow of fluids.

2. The guide catheter extension of claim 1 , wherein the outer diameter of the tube tapers from the proximal end to the distal end of the tube.

3. The guide extension catheter of claim 2 , wherein the distal end of the push rod has a flat profile.

4. The guide catheter extension of claim 3 , wherein the push rod is bonded at the junction.

5. The guide catheter extension of claim 1 , wherein the push rod is a tube.

6. The guide catheter extension of claim 1 , wherein the cut patterns include cutout portions having a three-fold rotational symmetry about a central point of symmetry.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2023
From: COTTONE, ROBERT J.
To: ORBUSNEICH MEDICAL, INC.
Reel/Frame 065424/0684 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2023
From: COTTONE, ROBERT J.
To: ORBUSNEICH MEDICAL, INC.
Reel/Frame 065424/0794 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2023
From: ORBUSNEICH MEDICAL, INC.
To: ORBUSNEICH MEDICAL PTE. LTD.
Reel/Frame 065424/0864 →
Continuity (5)
Continuation 16712428 · Dec 12, 2019
Continuation 15522216
Provisional Application 62238428 · Oct 7, 2015
Provisional Application 62075177 · Nov 4, 2014
Related Publication 20240058577A1 · Feb 22, 2024
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