Boosting catheter and related systems and methods

• US 9,144,662 B2
• Filed: 03/14/2014
• Issued: 09/29/2015
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: QXMedical, LLC
• Original Assignee: QXMedical, LLC
• Inventors: Di Caprio, Fernando, Panarello, Gianfranco
• Primary Examiner(s): Bosworth, Kami A
• Assistant Examiner(s): SHAH, NILAY J
• Application Number:
  US14/210,572
• Publication Number:
  US 20140276618A1
• Time in Patent Office: 564 Days
• Field of Search: 604/510, 604/528, 604/508, 604/164
• US Class Current: 1/1
• CPC Class Codes: A61M 2025/0004 having two or more concentrically arranged tubes for forming a concentric catheter system
• CPC Class Codes: A61M 2025/0063 having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body
• CPC Class Codes: A61M 2025/0073 Tip designed for influencing the flow or the flow velocity of the fluid, e.g. inserts for twisted or vortex flow general flow characteristics A61M2206/10
• CPC Class Codes: A61M 2025/0175 having telescopic features, interengaging nestable members movable in relations to one another
• CPC Class Codes: A61M 2025/0681 Systems with catheter and outer tubing, e.g. sheath, sleeve or guide tube
• CPC Class Codes: A61M 25/00 Catheters; Hollow probes dilators A61M29/00; peritoneal catheters A61M1/285; tracheal tubes A61M16/04; for drainage A61M27/00; for uterus, vagina or rectum A61M31/00 ; for measuring or testing A61B; materials for catheters A61L29/00
• CPC Class Codes: A61M 25/0068 Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
• CPC Class Codes: A61M 25/0069 Tip not integral with tube
• CPC Class Codes: A61M 25/0102 Insertion or introduction using an inner stiffening member, e.g. stylet or push-rod

Abstract

The various embodiments herein relate to a boosting catheter for positioning through a conventional guiding catheter into the vasculature of a patient, the boosting catheter having a distal tubular member and a proximal elongated shaft coupled to the distal tubular member.

Claims

1. A boosting catheter comprising:

(a) a distal tube comprising a tubular wall, a tube lumen defined within the tube by the tubular wall, and a proximal opening in fluid communication with the tube lumen, wherein the proximal opening is configured to allow a medical device to be positioned therethrough; and

(b) a proximal shaft operably coupled to a proximal portion of the distal tube, the proximal shaft comprising;

(i) a shaft lumen defined in the proximal shaft;

(ii) a first elongate member disposed within the shaft lumen, the first elongate member configured to extend distally into a first portion of the tubular wall; and

(iii) a second elongate member disposed within the shaft lumen, the second elongate member configured to extend distally into a second portion of the tubular wall,

wherein the proximal shaft is configured to extend distally into a portion of the distal tube such that the shaft lumen extends distally past a proximal end of the distal tube.

2. The boosting catheter of claim 1, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, whereby the shaft lumen is in fluid communication with the tube lumen.

3. The boosting catheter of claim 2, wherein the shaft lumen is configured to receive a fluid such that the fluid can be caused to flow distally through the proximal shaft and out of the distal opening.

4. The boosting catheter of claim 2, wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall and such that the distal opening is in fluid communication with the tube lumen.

5. The boosting catheter of claim 2, wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall and such that the distal opening is in fluid communication with an area external to the distal tube.

6. The boosting catheter of claim 1, wherein at least one of the first and second elongate members defines a lumen therein.

7. The boosting catheter of claim 1, wherein the first and second elongate members have no lumen.

8. The boosting catheter of claim 1, further comprising a tube disposed in the proximal shaft.

9. The boosting catheter of claim 1, further comprising at least one support member disposed in the proximal portion of the distal tube.

10. The boosting catheter of claim 1, wherein a distal portion of the proximal shaft is at least one support member disposed in the proximal portion of the distal tube.

11. The boosting catheter of claim 1, wherein the shaft lumen is not in fluid communication with the tube lumen.

12. The boosting catheter of claim 11, wherein the proximal shaft further comprises a distal opening in fluid communication with an area external to the distal tube.

13. The boosting catheter of claim 12, wherein the shaft lumen is configured to receive a fluid such that the fluid can be caused to flow distally through the proximal shaft and out of the distal opening.

14. The boosting catheter of claim 12, wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall.

15. The boosting catheter of claim 12, wherein the proximal shaft is configured to extend distally into a portion of the tube lumen such that the shaft lumen extends distally into the tube lumen.

16. The boosting catheter of claim 11, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, whereby the shaft lumen is in fluid communication with an area external to the catheter.

17. The boosting catheter of claim 1, wherein the proximal shaft further comprises a distal opening in fluid communication with an area external to the distal tube.

18. The boosting catheter of claim 1, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall and such that the distal opening is in fluid communication with an area external to the distal tube.

19. The boosting catheter of claim 1, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, whereby the shaft lumen is in fluid communication with an area external to the catheter.

20. A boosting catheter comprising:

(a) a distal tube comprising a tubular wall and a tube lumen defined within the tube by the tubular wall;

(b) a proximal shaft operably coupled to a proximal portion of the distal tube, the proximal shaft comprising;

(i) a shaft lumen defined in the proximal shaft;

(ii) a first elongate member disposed within the shaft lumen, the first elongate member configured to extend distally into a first portion of the tubular wall; and

(iii) a second elongate member disposed within the shaft lumen, the second elongate member configured to extend distally into a second portion of the tubular wall,

wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall past a proximal end of the distal tube, and

further wherein the shaft lumen is not in fluid communication with the tube lumen;

(c) at least one opening defined in an outer surface of the tubular wall; and

(d) at least one opening defined in the proximal shaft, wherein the at least one opening defined in the proximal shaft is in fluid communication with the at least one opening defined in the tubular wall, whereby the shaft lumen is in fluid communication with an area external to the distal tube.

21. A boosting catheter comprising:

(a) a distal tube comprising a tubular wall, a tube lumen defined within the tube by the tubular wall, and a proximal opening in fluid communication with the tube lumen, wherein the proximal opening is configured to allow a medical device to be positioned therethrough; and

(b) a proximal shaft operably coupled to a proximal portion of the distal tube, the proximal shaft comprising;

(i) a shaft lumen defined in the proximal shaft;

(ii) a first elongate member disposed within the shaft lumen, the first elongate member configured to extend distally into a first portion of the tubular wall;

(iii) a second elongate member disposed within the shaft lumen, the second elongate member configured to extend distally into a second portion of the tubular wall; and

(iv) a distal opening in fluid communication with the shaft lumen,

wherein the distal opening is in fluid communication with an area external to the distal tube.

22. The boosting catheter of claim 21, wherein the distal opening is proximal to the proximal opening of the distal tube.

23. A boosting catheter comprising:

(a) a distal tube comprising a tubular wall, a tube lumen defined within the tube by the tubular wall, and a proximal opening in fluid communication with the tube lumen, wherein the proximal opening is configured to allow a medical device to be positioned therethrough; and

(b) a proximal shaft operably coupled to a proximal portion of the distal tube, the proximal shaft comprising;

(i) a shaft lumen defined in the proximal shaft;

(ii) a first elongate member disposed within the shaft lumen, the first elongate member configured to extend distally into a first portion of the tubular wall; and

(iii) a second elongate member disposed within the shaft lumen, the second elongate member configured to extend distally into a second portion of the tubular wall.

24. The boosting catheter of claim 23, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, whereby the shaft lumen is in fluid communication with an area external to the catheter.

25. The boosting catheter of claim 23, wherein the proximal shaft further comprises a distal opening in fluid communication with the shaft lumen, whereby the shaft lumen is in fluid communication with the tube lumen.

26. The boosting catheter of claim 25, wherein the proximal shaft is configured to extend distally into a portion of the tubular wall such that the shaft lumen extends distally into the tubular wall and such that the distal opening is in fluid communication with the tube lumen.

27. The boosting catheter of claim 23, wherein the shaft lumen is not in fluid communication with the tube lumen.