Method for a servicing fluid disposal system

• US 5,736,098 A
• Filed: 05/11/1995
• Issued: 04/07/1998
• Est. Priority Date: 09/30/1993
• Status: Expired due to Term

• Current Assignee: Sherwood Services AG
• Original Assignee: Sherwood Medical Company (Medtronic Plc)
• Inventors: Kerwin, Michael John, Klefisch, Theodore J. Jr., Korte, Keith G., Yam, Jacky S.
• Primary Examiner(s): Warden, Robert J.
• Assistant Examiner(s): McKane, E. Leigh
• Application Number:
  US08/439,019
• Time in Patent Office: 1,062 Days
• Field of Search: 422/28, 422/317, 604/319, 604/326, 134/18, 134/26, 134/30, 134/37
• US Class Current: 422/28
• CPC Class Codes: A61M 1/71 Suction drainage systems containers therefor A61M1/60, A61M1/64; negative pressure wound therapy systems A61M1/90
• CPC Class Codes: A61M 1/882 Draining devices provided with means for releasing antimicrobial or gelation agents in the drained fluid
• CPC Class Codes: A61M 2209/10 Equipment for cleaning
• CPC Class Codes: B08B 9/08 Cleaning containers, e.g. tanks

Abstract

A fluid collection and disposal system which includes a reusable collection unit designed to be cleaned by a servicing unit after use. The servicing unit performs an automatic servicing cycle to remove the collected fluid from the collection unit and prepare it for reuse.

Claims

1. A method of servicing a fluid collection unit with a servicing unit, the method steps comprising:

inserting a fluid collection unit into a stationary docking portion of a servicing unit,

cycling the servicing unit through an automatic servicing cycle to clean the fluid collection unit, the servicing cycle comprising the steps of;

purging with a fluid force the fluid collection unit of any fluid content,

rinsing the fluid collection unit with a rinsing fluid,

purging with a fluid force the fluid collection unit of the rinsing fluid, and

removing the fluid collection unit from the servicing unit;

wherein the fluid collection unit remains stationary throughout said automatic servicing cycle.

2. A method according to claim 1, wherein said step of cycling the servicing unit through an automatic servicing cycle further includes the step of performing a diagnostic check of the operability of the servicing unit prior to beginning the servicing cycle.

3. A method according to claim 2 wherein said step of performing a diagnostic check includes performing a pressure check of the servicing unit to ensure that no fluid leakage will occur from the servicing unit or fluid collection unit during the automatic servicing cycle.

4. A method according to claim 3 wherein said automatic servicing cycle further includes a step of applying a disinfectant to the fluid collection unit after the step of rinsing and purging added in claim 3.

5. A method according to claim 1 wherein said steps of purging and rinsing the fluid collection unit constitute a purge and rinse subcycle of the automatic servicing cycle of the servicing unit and the purge and rinse subcycle is repeated a plurality of times in series during the automatic servicing cycle.

6. A method according to claim 1, wherein said automatic servicing cycle further includes the step of washing the fluid collection unit with a detergent solution after the step of purging, rinsing, and purging the fluid collection unit.

7. A method according to claim 6, wherein said automatic servicing cycle further includes a step of rinsing and purging after the step of washing the fluid collection unit with a detergent solution.

8. A method according to claim 1, wherein said automatic servicing cycle further includes the step of applying a disinfectant to the fluid collection unit after the step of purging, rinsing, and purging the fluid collection unit.

9. A method according to claim 8 wherein said step of applying a disinfectant to the fluid collection unit further includes pausing said automatic servicing cycle for a predetermined time period after application of disinfectant to the fluid collection unit to increase the dwell time of the disinfectant on the collection unit.

10. A method according to claim 1, wherein said step of inserting a fluid collection unit into a stationary docking portion of the servicing unit further includes the step of inserting the fluid collection unit into a lift mechanism of the servicing unit and activating the lift mechanism to position the fluid collection unit within the servicing unit for servicing.

11. A method according to claim 10 wherein said step of activating the lift mechanism requires continuous user activation of the lift mechanism until the fluid collection unit is completely positioned for servicing in the servicing unit.

12. A method according to claim 1, wherein said step of purging is accomplished by forcing compressed air into the fluid collection unit.

13. A method of servicing a fluid collection unit with a servicing unit, the method steps comprising:

inserting a fluid collection unit at least partially into a servicing unit,

cycling the servicing unit through an automatic servicing cycle to clean the fluid collection unit, the servicing cycle comprising the steps of;

purging with a fluid force the fluid collection unit of any fluid content,

rinsing the fluid collection unit with a rinsing fluid,

purging with a fluid force the fluid collection unit of the rinsing fluid, and

removing the fluid collection unit from the servicing unit,

said step of inserting a fluid collection unit at least partially into the servicing unit further including the step of inserting the fluid collection unit into a lift mechanism of the servicing unit and activating the lift mechanism to position the fluid collection unit within the servicing unit for servicing,

said step of activating the lift mechanism requiring continuous user activation of the lift mechanism until the fluid collection unit is completely positioned for servicing in the servicing unit.