Systems and methods for cleaning body cavities and for endoscopic steering

• US 10,179,202 B2
• Filed: 01/11/2011
• Issued: 01/15/2019
• 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): HAYMAN, IMANI N
• Application Number:
  US13/521,483
• Publication Number:
  US 20130066297A1
• Time in Patent Office: 2,926 Days
• 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. Described embodiments include systems for cleaning feces from the lower GI tract. Also provided are systems for steering such a cleaning system, also useful for steering an endoscope or other tool inserted into a body.

Claims

1. A system for colonic cleaning, comprising:

a colon insertion tube having a body sized for insertion and cleaning up to a cecum of a colon; and

an envelope that collects exhausted matter from the colon comprising;

a body including a fecal container of at least 2 liters volumes, a distal flexible portion adapted to couple to the body of said colon insertion tube, and

a proximal flexible portion having a seal adapted to seal to said colon insertion tube; and

wherein a portion of said envelope extends over said colon insertion tube between the distal flexible portion and the proximal flexible portion, and is axially extendible and contractible so as to change length according to an insertion depth of said colon insertion tube, by movement of the seal along with the colon insertion tube as the insertion depth changes.

2. The system according to claim 1, wherein said envelope is formed of a flexible material.

3. The system according to claim 1, wherein said envelope is an integral piece.

4. The system according to claim 1, wherein said body of the colon insertion tube includes a speculum which defines an inner lumen larger in diameter than an outer diameter of the colon insertion tube.

5. The system according to claim 1, wherein said seal is a sliding seal.

6. The system according to claim 1, wherein said seal is a fixed attachment to said colon insertion tube.

7. The system according to claim 1, including a vertical sleeve connecting to said fecal container.

8. The system according to claim 1, wherein at least one of the distal flexible portion and the proximal flexible portion is includes at least one pleated section.

9. The system according to claim 1, wherein said envelope further comprises a sensor operative to measure an amount of contents of said container.

10. The system according to claim 9, comprising a valve operative to change the flow of a liquid responsive to said measured amount.

11. The system according to claim 9, wherein said sensor is a scale.

12. The system according to claim 10, wherein said envelope further comprises circuitry which controls said valve responsive to said sensor signal, for stopping inflow and/or increasing outflow according to thresholds of allowed differences.

13. The system according to claim 1, wherein:

the colon insertion tube defines an exhaust lumen; and

comprising;

an elongate element located within said exhaust lumen and movable axially for at least a distance of 2 cm; and

at least one vane rotatably mounted on said elongate element, to selectively block or unblock part of said lumen.

14. A system according to claim 13, wherein the at least one vane is spring-loaded to open.

15. The system according to claim 1, wherein:

the colon insertion tube comprises an exhaust conduit adapted for insertion into the colon; and

comprising;

a rotating exhausting element mounted within said exhaust conduit; and

a distal stop for preventing axial distal advance of said rotating exhausting element.

16. The system according to claim 15, wherein said rotating exhausting element comprises a spiral element with axial elasticity.

17. The system according to claim 16, wherein said spiral element is configured to shred fecal matter.

18. The system according to claim 16, wherein said spiral element defines spacings between adjacent coil turns, which spacings are uneven.

19. The system according to claim 16, wherein said spiral element defines a diameter of adjunct coil turns, which diameters are unequal.

20. The system according to claim 1, wherein a length of said colon insertion tube is between 0.5 and 4 meters.

21. The system according to claim 1, wherein said envelope further comprises a portion which covers said colon insertion tube, said portion compensates for changes in the length of said colon insertion tube outside the body, enabling free movement of said colon insertion tube while maintaining containment of feces and water.

22. The system according to claim 1, wherein the portion of said envelope extending over said colon insertion tube between the distal flexible portion and the proximal flexible portion is configured to be mounted on a colonoscope and sealed at a proximal end of the colonoscope.

23. The system according to claim 1, wherein said portion of said envelope that covers said colon insertion tube is axially extendible and contractible so as to change length according to the insertion depth of said colon insertion tube.

24. The system according to claim 1, wherein said portion of said envelope that covers said colon insertion tube is axially extendible and contractible so when said colon insertion tube is inserted in to said colon and extends as said colon insertion tube is extracted from said colon.

25. The system according to claim 1, wherein the envelope is sized and configured to remain external to the colon while the colon insertion tube is inserted to the colon.

26. The system according to claim 1, wherein the body of the colon insertion tube has a length insertable to the colon, and wherein said length is between 1 and 2.5 meters.

27. A system for colonic cleaning, comprising:

a colon insertion tube sized for insertion and cleaning up to a cecum of a colon; and

an envelope that collects exhausted matter from the colon comprising;

a body including a fecal container of at least 2 liters volumes and a proximal flexible portion having a seal adapted to seal to and enclose a portion of said colon insertion tube;

wherein the proximal flexible portion is further adapted;

to be mounted on a colonscope so that the colon insertion tube extends along the colonscope, and

also seal to a proximal end of the colonscope.

28. The system according to claim 27, wherein the body of the colon insertion tube has a length insertable to the colon, and wherein said length is between 1 and 2.5 meters.