4-WAY CYSTOSCOPY CATHETER

• US 20160051135A1
• Filed: 08/25/2015
• Published: 02/25/2016
• Est. Priority Date: 09/13/2012
• Status: Active Grant

• Current Assignee: Emmy Medical, LLC
• Original Assignee: Emmy Medical, LLC
• Inventors: Greenberg, James Adam, Adams, Ronald D., Kohli, Neeraj, Harari, David
• Granted Patent: US 10,376,137 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 1/00082 Balloons
• CPC Class Codes: A61B 1/00091 Nozzles
• CPC Class Codes: A61B 1/00128 mechanical, e.g. for tubes or pipes
• CPC Class Codes: A61B 1/00135 Oversleeves mounted on the endoscope prior to insertion
• CPC Class Codes: A61B 1/00137 End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
• CPC Class Codes: A61B 1/00154 using guiding arrangements for insertion
• CPC Class Codes: A61B 1/015 Control of fluid supply or evacuation
• CPC Class Codes: A61B 1/05 characterised by the image sensor, e.g. camera, being in the distal end portion
• CPC Class Codes: A61B 1/303 for the vagina, i.e. vaginoscopes
• CPC Class Codes: A61B 1/307 for the urinary organs, e.g. urethroscopes, cystoscopes
• CPC Class Codes: A61M 25/0017 specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• CPC Class Codes: A61M 25/1002 characterised by balloon shape A61M25/1006, A61M25/1009 take precedence

Abstract

Systems and methods of cannulating a body orifice such as a bladder are disclosed. A cystoscopy catheter can include a proximal end, a distal end having at least one exit port, and a flexible elongate tubular body therebetween; an inflatable balloon near the distal end of the catheter, the balloon transformable from an unexpanded and an expanded configuration; a first proximal port for fluid inflow; a second proximal port for fluid outflow; a third proximal port for balloon inflation, in fluid connection with the balloon; and a fourth proximal port for insertion of a diagnostic and/or therapeutic instrument such as a cystoscope therethrough, wherein the first, second, and fourth proximal ports are fluidly connected to a common central lumen extending through the elongate tubular body to the exit port on the distal end.

Claims

1. A cystoscopy catheter, comprising:

a proximal end, a distal end having at least one exit port, and a flexible elongate tubular body therebetween;

an inflatable balloon near the distal end of the catheter, the balloon transformable from an unexpanded to an expanded configuration;

a first proximal port for fluid inflow;

a second proximal port for fluid outflow;

a third proximal port for balloon inflation, in fluid connection with the balloon; and

a fourth proximal port for insertion of a cystoscope therethrough, the fourth proximal port including a sealing member therein to prevent proximal backflow of fluid,

wherein the first, second, and fourth proximal ports are fluidly connected to a common central lumen extending through the elongate tubular body to the exit port on the distal end.

2. The catheter of claim 1, wherein the first proximal port comprises a multifunction connector, the multifunction connector comprising a threaded portion, a tapered portion, and an annular region therebetween, wherein the annular region comprises a smaller outer diameter than the threaded portion.

3. The catheter of claim 2, further comprising a tethered cap comprising threads to couple with the threaded portion of the multifunction connector.

4. The catheter of claim 1, further comprising a tethered cap configured to seal the second proximal port.

5. The catheter of claim 4, wherein the tethered cap is integrally molded to the catheter.

6. The catheter of claim 4, further comprising a clamp that provides an alternative method of sealing the second proximal port, the clamp configured to pinch a section of tubing to limit fluid communication between the second proximal port and the common central lumen.

7. The catheter of claim 1, further comprising a tapered portion extending about the fourth proximal port.

8. The catheter of claim 1, wherein the elongate tubular body comprises a plurality of markings regularly-spaced in an axial direction.

9. The catheter of claim 1, wherein a distal tip of the distal end extends in an axial direction no more than 1 millimeter beyond a distal end of the balloon in its expanded configuration.

10. The catheter of claim 1, wherein a distal tip of the distal end extends in an axial direction no more than 5 millimeters beyond a distal end of the balloon in its expanded configuration.

11. The catheter of claim 1, wherein a distal tip of the distal end extends in an axial direction no more than 10 millimeters beyond a distal end of the balloon in its expanded configuration.

12. The catheter of claim 1, wherein an expanded axial length of the balloon is no greater than about 25 millimeters.

13. The catheter of claim 1, wherein the balloon in its expanded configuration has a radial dimension that is at least about 1.5×

of its axial dimension.

14. The catheter of claim 1, wherein the balloon in its expanded configuration has a volume of no more than about 5 cc.

15. The catheter of claim 1, wherein the balloon in its expanded configuration has a volume of no more than about 3 cc.

16. The catheter of claim 1, wherein the distal end comprises a rounded distal tip.

17. The catheter of claim 1, wherein the distal end comprises an end cap having a slot therein.

18. The catheter of claim 1, wherein the distal end comprises at least two distal ports, wherein at least one distal port is positioned on a distal surface of the distal end and at least one distal port is positioned on a side surface of the distal end.

19. A cystoscopy catheter, comprising:

a proximal end, a distal end having at least one exit port, and a flexible elongate tubular body therebetween;

an inflatable balloon near the distal end of the catheter, the balloon transformable from an unexpanded to an expanded configuration;

a first proximal port for at least one of fluid inflow or outflow;

a second proximal port for balloon inflation, in fluid connection with the balloon; and

a third proximal port for insertion of a cystoscope therethrough,

wherein the first and third proximal ports are fluidly connected to a common central lumen extending through the elongate tubular body to the exit port on the distal end,

wherein the balloon in its expanded configuration has a radial dimension that is at least about 1.5×

of its axial dimension.

20. A method of performing cystoscopy, comprising:

cannulating the urethra with a catheter, the catheter comprising;

a proximal end, a distal end having at least one exit port, and a flexible elongate tubular body therebetween;

an inflatable balloon near the distal end of the catheter;

a first proximal port for at least one of fluid inflow or outflow; and

a second proximal port for insertion of a cystoscope therethrough, wherein the first and second proximal ports are fluidly connected to a common central lumen extending through the elongate tubular body to the exit port;

advancing the catheter distally into the bladder;

flowing media into the balloon to expand the balloon; and

advancing a cystoscope through the second proximal port, through the common central lumen, and through the exit port of the catheter.