Medical therapeutic apparatus

• US 20050020976A1
• Filed: 06/17/2004
• Published: 01/27/2005
• Est. Priority Date: 06/18/2003
• Status: Active Grant

• Current Assignee: Terumo Kabushiki Kaisha (Terumo Corporation)
• Original Assignee: Terumo Kabushiki Kaisha (Terumo Corporation)
• Inventors: Karino, Wataru, Maki, Shin, Shiono, Hiroshi
• Granted Patent: US 7,399,290 B2
• Time in Patent Office: Days
• US Class Current: 604/96.10
• 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 2025/1052 for temporarily occluding a vessel for isolating a sector
• CPC Class Codes: A61M 2025/1095 with perfusion means for enabling blood circulation while the balloon is in an inflated state or in a deflated state, e.g. permanent by-pass within catheter shaft
• CPC Class Codes: A61M 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• CPC Class Codes: A61M 25/1011 Multiple balloon catheters
• CPC Class Codes: A61M 27/00 Drainage appliance for wounds or the like , i.e. wound drains, implanted drains negative pressure wound therapy devices A61M1/90; implements for holding wound open A61B17/02 ; middle ear drainage A61F11/202

Abstract

To make it possible to clean the internal part of a living body and possibly also deliver a drug into the living body, a medical therapeutic apparatus includes a liquid discharge 4 for discharging a liquid in a living body out of the living body and a liquid delivery for introducing a liquid into the living body. The liquid is delivered to a target region of the living body, and controller controls the delivery and discharge of the liquid.

Claims

1. A medical therapeutic apparatus comprising:

a catheter body adapted to be inserted in a living body;

the catheter body being provided with at least one lumen through which liquid from the living body is discharged and through which cleaning liquid is delivered to the living body;

at least one inflatable balloon provided on the catheter body to seal against a portion of the living body upon inflation after the catheter body is inserted into the living body;

a tank connected to the at least one lumen and adapted to contain the cleaning liquid that is to be delivered to the living body;

a container connected to the at least one lumen for receiving the liquid that is discharged from the living body; and

control means for controlling the discharging of the liquid from the living body to the container and the delivery of the cleaning liquid from the tank to the living body.

2. The medical therapeutic apparatus according to claim 1, wherein the at least one lumen in the catheter body through which the liquid from the living body is discharged and through which cleaning liquid is delivered to the living body liquid is a single lumen.

3. The medical therapeutic apparatus according to claim 2, further comprising a first pipe connecting the single lumen to the tank, a second pipe connecting the single lumen to the container, a first flow control valve disposed along the first pipe and a second flow control valve disposed along the second pipe, the control means controlling the first and second valves to control the discharge of the liquid from the living body to the container and the delivery of the cleaning liquid from the tank to the living body.

4. The medical therapeutic apparatus according to claim 1, wherein the tank comprises a first tank, and including at least one additional tank adapted to contain a cleaning liquid different from the cleaning liquid in the first tank.

5. The medical therapeutic apparatus according to claim 1, wherein the balloon is a first balloon, and further comprising a second balloon on the catheter body.

6. The medical therapeutic apparatus according to claim 5, wherein the catheter body comprises an inner catheter member and a sheath movably positioned on the inner catheter member, the second balloon being movable together with the sheath.

7. The medical therapeutic apparatus according to claim 1, further comprising a stimulating device separate from the catheter body and stimulates against a portion of the living body to stimulate the living body

8. The medical therapeutic apparatus according to claim 7, wherein the control means also controls the stimulating device.

9. The medical therapeutic apparatus according to claim 7, wherein the stimulating device comprises one of a balloon and a rotor.

10. The medical therapeutic apparatus according to claim 7, wherein the stimulating device is inserted into the rectum and stimulates a prostate gland.

11. The medical therapeutic apparatus according to claim 1, wherein the catheter body is provided with a plurality of through holes to permit the liquid in the living body to flow into the at least one lumen and to permit cleaning liquid in the at least one lumen to flow to the living body.

12. A medical therapeutic apparatus comprising:

liquid discharging means for discharging out of a living body a liquid that is in the living body;

liquid delivering means for introducing a liquid into the living body;

retaining means for retaining the liquid introduced into the living body in a target position; and

control means for controlling the discharge of the liquid that is in the living body and the delivery of the liquid into the living body.

13. The medical therapeutic apparatus according to claim 12, wherein a single passage forms both the liquid discharging means and the liquid delivering means.

14. The medical therapeutic apparatus according to claim 12, wherein the retaining means comprises sealing means for providing a seal between the catheter body and a portion of the living body into which the catheter body is inserted.

15. The medical therapeutic apparatus according to claim 14, comprising a pair of the sealing means forming a liquid-tight region between the pair of sealing means.

16. The medical therapeutic apparatus according to claim 12, wherein the retaining means comprises an inflatable balloon which, upon inflation, forms a liquid-tight region extending from the balloon toward a distal end of the catheter.

17. The medical therapeutic apparatus according to claim 12, further comprising physical means, other than hands and fingers, for contracting the living body.

18. The medical therapeutic apparatus according to claim 12, wherein the liquid delivering means is connected to at least two tanks containing different liquids.

19. The medical therapeutic apparatus according to claim 12, wherein the liquid discharging means is connected to a container so that the liquid removed from the living body is introduced into the container.

20. The medical therapeutic apparatus according to claim 12, wherein the liquid delivering means is connected to at least one tank containing a cleaning liquid so that the cleaning liquid is introduced into the living body to clean the living body.

21. The medical therapeutic apparatus according to claim 12, wherein the control means controls the discharge and delivery of liquid to the living body to perform successive cleaning operations each involving delivering cleaning liquid to the living body followed by discharging the liquid from the living body.

22. The medical therapeutic apparatus according to claim 12, wherein oozing of liquid from the living body is confirmed, and the control means performs cleaning by controlling the discharge of the oozed liquid and subsequent delivery of cleaning liquid to the living body.

23. The medical therapeutic apparatus according to claim 12, wherein the liquid in the living body is discharged from the living body, liquid to be introduced into the living body is selected, and the selected liquid is delivered to the living body under automatic control.

24. The medical therapeutic apparatus according to claim 12, further comprising detecting means for detecting a component contained in the liquid discharged from the living body.

25. The medical therapeutic apparatus according to claim 24, wherein cleaning of the living body is finished when an amount of the component is equal to or lower than a predetermined amount as detected by the detecting means.

26. A medical therapeutic method comprising:

introducing an elongated member into a living body, the elongated member being provided with at least one lumen;

sealing off in a liquid-tight manner a target region of the living body from a region outside the target region;

controlling discharge of liquid from the target region of the living body by way of the at least one lumen and delivery of cleaning liquid to the target region by way of the at least one lumen to effect therapeutic treatment of the living body.

27. The medical therapeutic method according to claim 26, wherein the controlling of the discharge of the liquid from the target region and the delivery of the cleaning liquid to the target region is performed automatically though operation of a controller.

28. The medical therapeutic method according to claim 26, wherein the target region is sealed off by inflating at least one balloon provided on the elongated member.

29. The medical therapeutic method according to claim 26, wherein the inserting of the elongated member into the living body includes inserting a catheter into the living body, the catheter being provided with a plurality of through holes providing communication between the at least one lumen and the target region.

30. The medical therapeutic method according to claim 26, wherein the at least one lumen is a single lumen through which is discharged the liquid from the target region of the living body and through which is delivered the cleaning liquid to the target region of the living body.

31. The medical therapeutic method according to claim 26, further comprising stimulating the living body other than by way of hands and fingers.

32. The medical therapeutic method according to claim 26, including observing the liquid discharged from the target region of the living body to determine when to stop the therapeutic treatment of the living body.

33. The medical therapeutic method according to claim 26, further comprising detecting at least one component in the liquid discharged from the target region of the living body.

34. The medical therapeutic method according to claim 26, further comprising delivering a drug solution to the target region after cleaning of the living body with the cleaning liquid is completed.

35. The medical therapeutic method according to claim 26, wherein the delivery of the cleaning liquid to the target region of the living body and the discharge of the liquid from the target region of the living body constitutes one delivery and discharge cycle, and further comprising performing a plurality of delivery and discharge cycles.

36. The medical therapeutic method according to claim 26, wherein the elongated member is inserted into a prostate gland.

37. The medical therapeutic method according to claim 26, further comprising stimulating a prostate gland.