Systems and methods for hybrid peristaltic pump flow

Patent metadata

Field	Value
Publication number	US-12521165-B2
Application number	US-202218080808-A
Country	US
Kind code	B2
Filing date	Dec 14, 2022
Priority date	Dec 14, 2022
Publication date	Jan 13, 2026
Grant date	Jan 13, 2026

Abstract

Systems and methods whereby an electrosurgical device provides electrosurgical treatment to a tissue area while offering simultaneous irrigation and suction capabilities. A hybrid pump attachment including a plurality of flexible tubes is fluidly connectable to the electrosurgical device, wherein the plurality of flexible tubes is orientated within the hybrid pump attachment such that, when attached to the peristaltic pump, the plurality of tubes at least partially surrounds a rotor and a plurality of rollers of the peristaltic pump. The rotor is rotatable about a central axis such that the plurality of rollers conveys fluid through the plurality of flexible tubes by way of applying intermittent forces on the external surface of the plurality of flexible tubes, wherein at least a first tube conveys a first fluid to a first location and at least a second tube conveys a second fluid to a second location.

First claim

What is claimed is:

1 . A system for electrosurgical treatment comprising:
an electrosurgical device configured to provide electrosurgical treatment to a tissue area; a peristaltic pump including a rotor and a plurality of rollers, wherein the rotor and the plurality of rollers have a central axis; a housing releasably coupleable to the peristaltic pump, the housing including a plurality of flexible tubes fluidly connectable to the electrosurgical device, wherein the plurality of flexible tubes is orientated within the housing such that when the housing is coupled to the peristaltic pump, the plurality of flexible tubes at least partially surrounds the rotor and the plurality of rollers, wherein the plurality of rollers aligns with the plurality of tubes; and the rotor rotatable about the central axis, wherein the plurality of rollers conveys fluid through the plurality of flexible tubes by way of applying intermittent forces on the external surface of the plurality of flexible tubes, wherein at least a first tube of the plurality of tubes conveys a first fluid to a first location and at least a second tube of the plurality of tubes conveys a second fluid to a second location, wherein one of the plurality of flexible tubes is arranged so as to encircle the rotor.

2 . The system of claim 1 , wherein at least the first tube irrigates an electrically conductive fluid to the tissue area and at least the second tube suctions remnants from the tissue area during the electrosurgical treatment while maintaining the same axial rotor rotation.

3 . The system of claim 2 , wherein the remnants include one or more of excess electrically conductive fluid, blood, or tissue.

4 . The system of claim 1 , wherein the electrosurgical treatment includes treating the tissue area with radiofrequency (RF) electrical energy of the electrosurgical device, treating the tissue area with an electrically conducive fluid, conveyed through the first tube and suctioning remnants from the tissue area through the second tube.

5 . The system of claim 1 , wherein the fluid conveyed through the plurality of flexible tubes each have equivalent volumetric flow rates.

6 . The system of claim 1 , wherein the housing is readily integrated with the peristaltic pump while maintaining rotation about the axis.

7 . The system of claim 1 , wherein each flexible tube is individually oriented within the hybrid pump attachment and routes flow to and from distinct sources and destinations.

8 . A hybrid pump attachment comprising:
a casing configured to be releasably coupleable to a peristaltic pump, the casing including a plurality of apertures configured to allow the passage therethrough of flexible tubes; the plurality of flexible tubes orientated within the casing and fluidly attachable to at least one of a fluid source, an electrosurgical device, and a waste destination, wherein a plurality of rollers integrated with the peristaltic pump conveys fluid through the plurality of flexible tubes by way of applying intermittent forces on the external surface of the plurality of flexible tubes as the plurality of rollers rotate about an axis within the peristaltic pump, wherein at least a first tube of the plurality of flexible tubes conveys a first fluid to a first location and at least a second tube of the plurality of flexible tubes conveys a second fluid to a second location, wherein one of the plurality of flexible tubes is arranged so as to encircle the plurality of rotors.

9 . The system of claim 8 , wherein the first tube is an electrically conductive tube and is conveyed to a tissue area being treated by an electrosurgical device and the second fluid is suctioned remnants from the tissue area during the electrosurgical treatment.

10 . The system of claim 9 , wherein the remnants include one or more of excess electrically conductive fluid, blood, or tissue.

11 . The system of claim 8 , wherein the fluid conveyed through the plurality of flexible tubes each have equivalent volumetric flow rates.

12 . The system of claim 8 , wherein each flexible tube is individually oriented within the casing, wherein each flexible tube routes fluid to distinct destinations and from distinct sources while maintaining rotation about the axis.

13 . A method for use with an electrosurgical device, the method comprising:
coupling a housing to a peristaltic pump, the housing including a plurality of flexible tubes fluidly connectable to an electrosurgical device, wherein the plurality of flexible tubes is orientated within the housing such that when the housing is coupled to the peristaltic pump the plurality of flexible tubes at least partially surrounds a rotor of the peristaltic pump and one of the plurality of flexible tubes is arranged so as to encircle the rotor providing an electrosurgical treatment to a tissue area via the electrosurgical device coupled to the peristaltic pump; irrigating, through a first of the plurality flexible tubes, a first fluid from a source and applying the first fluid to the tissue area with the electrosurgical device during the electrosurgical treatment; and suctioning, through a second of the plurality of flexible tubes, a second fluid from the tissue area to a target destination with the electrosurgical device.

14 . The method of claim 13 , further comprising providing the electrosurgical treatment, irrigating the first fluid, and suctioning the second fluid simultaneously.

15 . The method of claim 13 , further comprising providing the electrosurgical treatment includes treating the tissue area with radiofrequency (RF) electrical energy.

16 . The method of claim 13 , further comprising irrigating the first fluid includes irrigation of an electrically conductive fluid and suctioning the second fluid includes suctioning remnants resulting from the electrosurgical treatment.

17 . The method of claim 16 , wherein the remnants include one or more of excess electrically conductive fluid, blood, or tissue.

18 . The method of claim 13 , further comprising irrigating the first fluid and suctioning the second fluid at a same volumetric flow rate.

Assignees

• Medtronic Navigation Inc

Inventors

• Miri Mohammad
• Palm Matthew S

Classifications

• A61B2218/002

  Irrigation · CPC title

• A61M1/80

  Suction pumps (A61M1/64, A61M1/71, A61M60/00 take precedence) · CPC title

• A61M1/74

  Suction control (underwater drainage A61M1/61) · CPC title

• A61M3/022

  Volume; Flow rate · CPC title

• A61M3/0258

  by means of electric pumps · CPC title