Systems and methods for cleaning body cavities

• US 10,022,488 B2
• Filed: 07/25/2012
• Issued: 07/17/2018
• Est. Priority Date: 01/11/2010
• Status: Active Grant

• Current Assignee: Motus Gi Medical Technologies Ltd. (Motus GI Holdings, Inc.)
• Original Assignee: Motus Gi Medical Technologies Ltd. (Motus GI Holdings, Inc.)
• Inventors: Shtul, Boris, Morochovsky, Alexey, Banzger, Alexander, Hassidov, Noam
• Primary Examiner(s): Zalukaeva, Tatyana
• Assistant Examiner(s): Mensh, Andrew J
• Application Number:
  US13/557,371
• Publication Number:
  US 20120289910A1
• Time in Patent Office: 2,183 Days
• Field of Search: 604540, 604150, 606159, 600155, 600104, 600121-123, 600128, 600130, 600153
• CPC Class Codes: A61B 1/015 Control of fluid supply or evacuation
• CPC Class Codes: A61B 1/04 combined with photographic or television appliances
• CPC Class Codes: A61B 1/122 using cleaning tools, e.g. brushes
• CPC Class Codes: A61B 1/31 for the rectum, e.g. proctoscopes, sigmoidoscopes , colonoscopes
• CPC Class Codes: A61B 17/22012 in direct contact with, or very close to, the obstruction or concrement for removing obstructions in blood vessels by laser A61B18/245
• CPC Class Codes: A61B 17/3207 Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions A61B17/32037 takes precedence; endoscopic cutting instruments A61B17/320016
• CPC Class Codes: A61B 17/320758 with a rotating cutting instrument, e.g. motor driven A61B17/320725, A61B17/32075 and A61B17/320783 take precedence; for removing intra-ocular material A61F9/00763; endoscopic rotatable cutting instruments A61B17/32002
• CPC Class Codes: A61B 2217/005 with suction drainage system
• CPC Class Codes: A61B 2217/007 with irrigation system
• CPC Class Codes: A61F 5/442 having irrigation ports or means irrigators A61M3/02
• CPC Class Codes: A61F 5/445 Colostomy, ileostomy or urethrostomy devices A61F5/441, A61F5/442, A61F5/443 take precedence
• CPC Class Codes: A61M 1/743 by changing the cross-section of the line, e.g. flow regulating valves A61M1/7413 takes precedence
• CPC Class Codes: A61M 1/77 Suction-irrigation systems aspiration tips supplying fluids A61M1/85; specific for negative pressure wound therapy A61M1/92; combined with tracheal tubes A61M16/0463
• CPC Class Codes: A61M 1/777 Determination of loss or gain of body fluids due to suction-irrigation, e.g. during surgery
• CPC Class Codes: A61M 1/85 with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants for negative pressure wound therapy A61M1/92, A61M1/94; combined with tracheal tubes A61M16/0463; dental instruments with combined rinsing and aspirating A61C17/0208
• CPC Class Codes: A61M 16/0463 combined with suction tubes, catheters or the like; Outside connections
• CPC Class Codes: A61M 2025/0019 Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
• CPC Class Codes: A61M 2025/0025 having a collapsible lumen
• CPC Class Codes: A61M 2205/3334 Measuring or controlling the flow rate
• CPC Class Codes: A61M 2205/3344 Measuring or controlling pressure at the body treatment site
• CPC Class Codes: A61M 2205/3389 : Continuous level detection A61M2205/3393 takes precedence
• CPC Class Codes: A61M 2205/3393 : by weighing the reservoir
• CPC Class Codes: A61M 2205/50 : with microprocessors or computers
• CPC Class Codes: A61M 2210/1064 : Large intestine
• CPC Class Codes: A61M 3/0202 : with electronic control means or interfaces
• CPC Class Codes: A61M 3/0208 : before use
• CPC Class Codes: A61M 3/0212 : after use
• CPC Class Codes: A61M 3/0216 : Pressure
• CPC Class Codes: A61M 3/022 : Volume; Flow rate
• CPC Class Codes: A61M 3/0241 : the liquid being supplied by gravity
• CPC Class Codes: A61M 3/0275 : Pulsating jets; Vibrating nozzles
• CPC Class Codes: A61M 3/0283 : with at least two inner passageways, a first one for irrigating and a second for evacuating suction-irrigation systems A61M1/77; aspiration tips with fluid supply means A61M1/85; for negative pressure wound therapy A61M1/92
• CPC Class Codes: A61M 3/0295 : with inflatable balloon
• CPC Class Codes: B08B 9/0436 : provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets B08B9/045, B08B9/047 take precedence
• CPC Class Codes: B08B 9/045 : the cleaning devices being rotated while moved , e.g. flexible rotating shaft or "snake"B08B9/047 takes precedence

Abstract

Systems and methods for cleaning body cavities are presented. Some embodiments reduce size of fecal matter pieces within an evacuation conduit. Some comprise devices and methods for purging an evacuation conduit. Some comprise reduced cross-sectional profiles of a cleaning device. Some protect intestinal tissue by preventing exposure to excessively high and low pressures.

Claims

1. A colon cleaning device for cleaning a colon comprising:

an evacuation conduit configured for maneuverability through the curves of said colon and for transporting material from said colon out of a body, said evacuation conduit being sized for insertion to transport said material from at least 1 meter into the colon and having a lateral aperture located at or near the distal end of the evacuation conduit, the lateral aperture being configured for positioning inside said colon to receive said evacuated material for said transporting upon suction being applied through the lateral aperture; and

a source of fluid positioned on and external to the device and aimed at at least one opening of said evacuation conduit, said source of fluid configured to

a) irrigate with a jet aimed distally along an exterior of said device towards and across said aperture; and

b) reach a position of material blocking said aperture with a jet strength strong enough to displace from said aperture pieces of said material moved to said aperture by suction inside said colon cleaning device;

wherein the jet being activated to remove said blocking material in response to changes in pressure inside the evacuation conduit.

2. A colon cleaning device as in claim 1, wherein said non-smooth interior surface comprises a plurality of large ridges.

3. A colon cleaning device as in claim 1, wherein said non-smooth interior surface comprises a helical form.

4. A colon cleaning device as in claim 1, wherein said non-smooth interior surface is an outer spring, and further comprising an inner spring positioned within said outer spring.

5. A colon cleaning device as in claim 4, wherein said inner and outer springs are wound in opposite directions.

6. A colon cleaning device as in claim 1, further comprising a rotatable object positioned within said evacuation conduit, said rotatable object operable to rotate and at least one of grain said material and propel said material in a proximal direction.

7. A colon cleaning device as in claim 6, wherein said rotatable object is operable to advance and retract within said evacuation conduit.

8. A colon cleaning device as in claim 6, wherein said rotatable object is a coil.

9. A colon cleaning device as in claim 8, wherein windings of said coil are at least 0.5 mm apart.

10. A colon cleaning device as in claim 6, wherein said rotatable device is positioned at least 1 cm from said aperture for receiving said material.

11. A colon cleaning device as in claim 1, wherein a shredding section of said evacuation conduit is between 2 and 20 cm long.

12. A colon cleaning device as in claim 6, further comprising a flexible connector adapted to transfer rotational power to said rotatable object from a proximal energy source.

13. A colon cleaning kit comprising:

a colon cleaning device as in claim 1; and

an endoscope adapted to reach to a cecum of said colon.

23. A colon cleaning device of claim 1, wherein said displacement comprises breaking down blocking pieces of said material into parts small enough to enter said aperture.

24. A colon cleaning device of claim 1, wherein said evacuation conduit comprises a non-smooth interior surface configured for helping to grain said material within said evacuation conduit.

25. A colon cleaning device of claim 1, wherein said position of said source of fluid near and caudal to said at least one opening of said evacuation conduit.

14. A colon cleaning device for cleaning a colon, said colon cleaning device being adapted for reducing a cross sectional profile of a colon cleaning system, said device comprising:

an evacuation conduit configured for transporting material from said colon out of a body and having at least one opening;

a housing of said evacuation conduit, the housing having a concave surface sized for fittingly accommodating an endo scope, and an outer convex surface wrapping around a portion of the concave surface;

a fluid conduit positioned external to and alongside the device and configured for delivery of fluid to said intestine comprising a nozzle; and

the evacuation conduit having a plurality of lobes extending through and circumferentially fully enclosed by the housing between the concave and convex surfaces, separated from each of the convex and concave surfaces by walls of the housing, and wrapping partially around the concave surface;

the lobes being in fluid communication along at least a portion of the length of said evacuation conduit; and

wherein said fluid delivery conduit nozzle aims fluid jets distally towards and across said at least one opening of said conduit to purge and displace matter which blocks or risks blocking said opening.

15. A colon cleaning device as in claim 14, further comprising one or more driving devices within said lobes, said one or more driving devices are adapted to be rotated within said lobes.

16. A colon cleaning device as in claim 15, wherein said lobes are shaped so that a longitudinal axis of said one or more driving devices within said lobes are retained within respective lobes.

17. A colon cleaning device as in claim 15, wherein said one or more driving devices comprise at least two driving devices, adapted to be rotated in opposing directions.

18. A colon cleaning device as in claim 15, wherein said one or more driving devices comprise at least two driving devices which overlap at least at a portion of each other.

19. A colon cleaning device as in claim 15, wherein said one or more driving devices are free to independently advance and retract within said lobes.

20. A colon cleaning device as in claim 15, wherein said one or more driving devices are selected from the group comprising;

helical springs, rods or pipes surrounded by a helical thread, wire or rope, paddle, brush.

21. A colon cleaning device as in claim 15, wherein said one or more driving devices is a brush having bristles long enough to penetrate into one or more side lobes.

22. A colon cleaning device as in claim 15, wherein said one or more driving devices vary along the length of said evacuation conduit, so that the at least one or more driving devices comprises at least two different shapes.