Cleaning device for medical instrument and method of use

• US 10,434,281 B2
• Filed: 01/12/2017
• Issued: 10/08/2019
• Est. Priority Date: 09/13/2012
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Moberg, John Robert
• Primary Examiner(s): Perrin, Joseph L.
• Assistant Examiner(s): Graf, Irina
• Application Number:
  US15/404,323
• Publication Number:
  US 20170119996A1
• Time in Patent Office: 999 Days
• CPC Class Codes: A61B 17/320783 through side-hole, e.g. sliding or rotating cutter inside catheter
• CPC Class Codes: A61B 2090/701 for flexible tubular instruments, e.g. endoscopes
• CPC Class Codes: A61B 90/70 Cleaning devices specially adapted for surgical instruments
• 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 25/00 Catheters; Hollow probes dilators A61M29/00; peritoneal catheters A61M1/285; tracheal tubes A61M16/04; for drainage A61M27/00; for uterus, vagina or rectum A61M31/00 ; for measuring or testing A61B; materials for catheters A61L29/00
• CPC Class Codes: B08B 2209/032 by the mechanical action of a moving fluid
• CPC Class Codes: B08B 3/14 Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquidstreatment of water in general C02F
• CPC Class Codes: B08B 9/023 Cleaning the external surface B08B9/021 takes precedence
• CPC Class Codes: B08B 9/0321 using pressurised, pulsating or purging fluid E04F17/126 takes precedence
• CPC Class Codes: B08B 9/0328 by purging the pipe with a gas or a mixture of gas and liquid

Abstract

A cleaning device includes a flushing chamber having opposite proximal and distal ends, and a length extending between the proximal and distal ends. An inlet port of the cleaning device is in fluid communication with the flushing chamber and configured for fluid connection to a source of fluid. The flushing chamber is selectively openable along its length to an open position, in which the distal end portion of the medical instrument is insertable into the flushing chamber, and selectively closable along its length to a closed position, in which the distal end portion of the medical instrument is enclosed and fluidly sealed within the flushing chamber.

Claims

1. A cleaning device for cleaning a medical instrument, the medical instrument having a distal end portion defining an instrument lumen and proximal and distal openings in fluid communication with the instrument lumen, the cleaning device comprising:

a flushing chamber having opposite proximal and distal ends, and a length extending between the proximal and distal ends, wherein the flushing chamber comprises an upper luminal portion and a lower luminal portion;

an inlet port in fluid communication with the flushing chamber and configured for fluid connection to a source of fluid; and

an outlet port in fluid communication with the flushing chamber such that fluid directed into the flushing chamber through the inlet port can be discharged from the flushing chamber through the outlet port,

wherein the flushing chamber is selectively openable along its length to an open position, in which the upper and lower luminal portions are separated from one another so that the distal end portion of the medical instrument is insertable into the flushing chamber, and selectively closable along its length to a closed position, in which the upper and lower luminal portions enclose and fluidly seal around the distal end portion of the medical instrument,

wherein each of the upper and lower luminal portions is elastic,

wherein each of the upper and lower luminal portions comprises a proximal section proximal of the inlet port along the length of the flushing chamber, a distal section distal of the outlet port along the length of the flushing chamber, and a central section between the inlet port and the outlet port along the length of the flushing chamber, and

wherein when the flushing chamber is in the closed position, the proximal sections of the upper and lower luminal portions are configured to form a proximal fluid seal about the medical instrument proximal of the proximal opening, the distal sections of the upper and lower luminal portions are configured to form a distal fluid seal distal of the distal opening, and the central sections of the upper and lower luminal portions are configured to form a central fluid seal about the distal end portion of the medical instrument between the proximal and distal openings.

2. The cleaning device of claim 1, further comprising an upper handle portion and a lower handle portion that are coupled to one another by a hinge, the upper luminal portion being secured to the upper handle portion and the lower luminal portion being secured to the lower handle portion, wherein the lower handle portion and the upper handle portion are pivotable relative to one another about the hinge for opening and closing the flushing chamber.

3. The cleaning device of claim 2, further comprising a spring secured to the upper and lower handle portions and biasing the flushing chamber in the closed position.

4. The cleaning device of claim 2, wherein the handle portions extend in a direction generally transverse to the length of the flushing chamber.

5. The cleaning device of claim 4, wherein the handle portions are movable in a direction toward one another to open the flushing chamber, and in a direction away from one another to close the flushing chamber.

6. The cleaning device of claim 1, wherein the upper and lower luminal portions are coupled to one another by a hinge.

7. The cleaning device of claim 6, further comprising a spring biasing the flushing chamber in the closed position.

8. The cleaning device of claim 1, wherein the inlet port is connected to the flushing chamber such that the proximal opening in the distal end portion of the medical instrument is adjacent the inlet port when the distal end portion is enclosed and fluidly sealed in the flushing chamber.

9. The cleaning device of claim 1, wherein the outlet port is connected to the flushing chamber such that the distal opening in the distal end portion of the medical instrument is adjacent the outlet port when the distal end portion is enclosed and fluidly sealed in the flushing chamber.

10. The cleaning device of claim 9, wherein the flushing chamber includes a stop at the distal end of the flushing chamber.

11. The cleaning device of claim 1, wherein the distal end of the flushing chamber is open.

12. A combination comprising the cleaning device of claim 1 a medical instrument having a distal end portion defining an instrument lumen and proximal and distal openings in fluid communication with the instrument lumen.

13. A method of cleaning a medical instrument having a distal end portion defining an instrument lumen, and proximal and distal openings in fluid communication with the instrument lumen, the method comprising:

providing a cleaning device including

a flushing chamber having opposite proximal and distal ends, and a length extending between the proximal and distal ends, wherein the flushing chamber comprises an upper luminal portion and a lower luminal portion; and

an inlet port in fluid communication with the flushing chamber and configured for fluid connection to a source of fluid; and

an outlet port in fluid communication with the flushing chamber such that fluid directed into the flushing chamber through the inlet port can be discharged from the flushing chamber through the outlet port,

wherein the flushing chamber is selectively openable along its length to an open position, in which the upper and lower luminal portions are separated from one another so that the distal end portion of the medical instrument is insertable into the flushing chamber, and selectively closable along its length to a closed position, in which the upper and lower luminal portions enclose and fluidly seal around the distal end portion of the medical instrument,

wherein each of the upper and lower luminal portions is elastic,

wherein each of the upper and lower luminal portions comprises a proximal section proximal of the inlet port along the length of the flushing chamber, a distal section distal of the outlet port along the length of the flushing chamber, and a central section between the inlet port and the outlet port along the length of the flushing chamber, and

wherein when the flushing chamber is in the closed position, the proximal sections of the upper and lower luminal portions are configured to form a proximal fluid seal about the medical instrument proximal of the proximal opening, the distal sections of the upper and lower luminal portions are configured to form a distal fluid seal distal of the distal opening, and the central sections of the upper and lower luminal portions are configured to form a central fluid seal about the distal end portion of the medical instrument between the proximal and distal openings;

opening the flushing chamber;

inserting the distal end portion of the medical instrument into the opened flushing chamber;

closing the flushing chamber after said inserting the distal end portion, wherein the distal end portion of the medical instrument is enclosed and fluidly sealed within the flushing chamber; and

introducing fluid into the inlet port of the flushing chamber, after said closing the flushing chamber, to create a pressurized flow of fluid through the proximal port of the flushing chamber, into the proximal opening in the medical instrument, through the instrument lumen of the medical instrument, and out the distal opening in the medical instrument, wherein residual matter from previous usage of the medical instrument is ejected with the fluid flow out through the distal opening in the medical instrument.

14. The method of claim 13, wherein said opening the flushing chamber comprises pivoting upper and lower luminal portions of the flushing chamber away from one another about a hinge.

15. The method of claim 14, wherein said opening the flushing chamber further comprises squeezing together handle portions operatively connected to respective upper and lower luminal portions of the flushing chamber to impart pivoting of the upper and lower luminal portions about the hinge.

16. The method of claim 13, further comprising directing the fluid with the residual matter ejected from the distal opening of the medical instrument into the outlet port of the cleaning device.