Guide extension catheter

Patent metadata

Field	Value
Publication number	US-2016346502-A1
Application number	US-201615165124-A
Country	US
Kind code	A1
Filing date	May 26, 2016
Priority date	Jun 1, 2015
Publication date	Dec 1, 2016
Grant date	—

Abstract

Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a guide extension catheter. The guide extension catheter may include a proximal member having a proximal end, a distal end, and a proximal diameter. The guide extension catheter may additionally include a collar member attached to the distal end of the proximal member, the collar member comprising a base portion and one or more ribs connected to the base portion and extending distally away from the base portion. In still some additional embodiments, the guide extension catheter may further include a distal sheath member attached to the collar member, the distal sheath member having a distal diameter larger than the proximal diameter.

First claim

What is claimed is:

1 . A guide extension catheter comprising:
a proximal member having a proximal end, a distal end, and a proximal diameter; a collar member attached to the distal end of the proximal member, the collar member comprising a base portion and one or more ribs connected to the base portion and extending distally away from the base portion; and a distal sheath member attached to the collar member, the distal sheath member having a distal diameter larger than the proximal diameter.

2 . The guide extension catheter of claim 1 , wherein the one or more ribs extend from the base portion to the distal end of the collar member.

3 . The guide extension catheter of claim 1 , wherein each of the one or more ribs are connected to the base portion at an angle of between about 15 degrees and about 75 degrees.

4 . The guide extension catheter of claim 1 , wherein each of the one or more ribs are connected to the base portion at an angle of between about 30 degrees and about 60 degrees.

5 . The guide extension catheter of claim 1 , wherein each of the one or more ribs are connected to the base portion at an angle of about 45 degrees.

6 . The guide extension catheter of claim 1 , wherein the one or more ribs comprise between two ribs and ten ribs.

7 . The guide extension catheter of claim 1 , wherein the one or more ribs comprise five ribs.

8 . The guide extension catheter of claim 1 , wherein the one or more ribs extend away from the base portion in a twisting manner.

9 . The guide extension catheter of claim 1 , wherein the one or more ribs extend away from the base portion in a helical manner.

10 . The guide extension catheter of claim 1 , wherein each of the one or more ribs extends away from the base portion a same distance.

11 . A guide extension catheter comprising:
a proximal member having a proximal end, a distal end, and a proximal diameter; a hollow tube extending along a longitudinal axis and attached to the distal end of the proximal member, the hollow tube defining one or more channels extending along at least a portion of the hollow tube; and a distal sheath member attached to the hollow tube, the distal sheath member having a distal diameter greater than the proximal diameter, wherein the channels are angled with respect to the longitudinal axis of the hollow tube.

12 . The guide extension catheter of claim 11 , wherein the one or more channels are angled between about 15 degrees and 75 degrees with respect to the longitudinal axis.

13 . The guide extension catheter of claim 11 , wherein the one or more channels are angled between about 30 degrees and 60 degrees with respect to the longitudinal axis.

14 . The guide extension catheter of claim 11 , wherein the one or more channels comprise between two channels and ten channels.

15 . The guide extension catheter of claim 11 , wherein the one or more channels comprise between four and seven channels.

16 . The guide extension catheter of claim 11 , wherein the hollow tube defines the one or more channels such that each of the one or more channels has an open end and a closed end.

17 . A guide extension catheter comprising:
a proximal member having a proximal end, a distal end, and a proximal diameter; a collar member attached to the proximal member, the collar member having a proximal end and distal end and comprising a base portion and a distally extending portion; and a distal sheath member attached to the collar member, the distal sheath member having a distal diameter greater than the proximal diameter, wherein the distally extending portion has a cross-sectional surface area that varies less than about 33% through the distally extending portion.

18 . The guide extension catheter of claim 17 , wherein the collar member has a cross-sectional surface area that varies less than about 10% along the distally extending portion.

19 . The guide extension catheter of claim 17 , wherein the distally extending portion comprises ribs connected to the base portion and extending distally away from the base portion.

20 . The guide extension catheter of claim 19 , wherein the ribs extend distally away from the base portion in a helically twisting manner.

Assignees

• Boston Scient Scimed Inc

Inventors

• Fuller Jeffrey Steven
• Anderson James M
• Uschold John E

Classifications

• B29C48/21

  the layers being joined at their surfaces · CPC title

• B29K2995/0011

  Electromagnetic wave shielding material · CPC title

• A61M25/008 Primary

  Strength or flexibility characteristics of the catheter tip · CPC title

• A61M25/0108

  using radio-opaque or ultrasound markers · CPC title

• B29K2101/12

  Thermoplastic materials · CPC title