Combination wire electrode and tube electrode polypectomy device

• US 20090036899A1
• Filed: 07/30/2007
• Published: 02/05/2009
• Est. Priority Date: 07/30/2007
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Carlton, John, Artale, Ryan
• Granted Patent: US 8,298,243 B2
• Time in Patent Office: Days
• US Class Current: 606/113
• CPC Class Codes: A61B 17/32056 Surgical snare instruments for removing or smashing calculi A61B2017/2212; tonsillotomes A61B17/26
• CPC Class Codes: A61B 18/14 Probes or electrodes therefor
• CPC Class Codes: A61B 18/1447 wherein sliding surfaces cause opening/closing of the end effectors
• CPC Class Codes: A61B 2018/1407 Loop
• CPC Class Codes: A61B 2018/141 Snare
• CPC Class Codes: A61B 2018/144 Wire

Abstract

A device for removing polyps is provided and includes a tubular member having proximal and distal ends. The distal end of the tubular member includes a first electrode extending thereacross. The first electrode defines at least one opening therein. The polyp removal device further includes a snare portion operably extending from within the distal end of the tubular member and through at least one opening defined in the first electrode. The tubular member is configured to deliver electrosurgical energy between the first electrode and the snare portion. The polyp removal device further includes a handle portion operatively extending from within the proximal end of the tubular member. The snare portion may include a second electrode. The snare portion and the first electrode are configured to grasp and seal a polyp therebetween. The first and second electrodes may be independently activated.

Claims

1. A polyp removal device comprising:

a tubular member having proximal and distal ends, said distal end including a first electrode extending thereacross, said first electrode defining at least one opening therein;

a snare portion operably extending from within said distal end of said tubular member and through said at least one opening defined in said first electrode, said tubular member configured for delivering electrosurgical energy between said first electrode and said snare portion.

2. The polyp removal device of claim 1, further comprising a handle portion operatively extending from within said proximal end of said tubular member.

3. The polyp removal device of claim 1 wherein the handle portion is configure for operable engagement by a user.

4. The polyp removal device of claim 1, wherein the snare portion includes a second electrode.

5. The polyp removal device of claim 1, wherein the snare portion and said first electrode are configured to grasp a polyp therebetween.

6. The polyp removal device of claim 4, wherein said removal device is configured to grasp a polyp between said first and second electrodes.

7. The polyp removal device of claim 4, wherein said first and second electrodes may be independently activated.

8. The polyp removal device of claim 1, wherein said snare portion further includes an electrode mounting member configured for operable engagement with said distal end of said tubular member.

9. The polyp removal device of claim 1, further including insulation between said snare portion and said at least one opening formed in said first electrode.

10. The polyp removal device of claim 1, wherein said snare portion is configured to be retracted within said tubular member.

11. The polyp removal device of claim 2, wherein said snare portion is retracted within said tubular member upon retraction of said handle portion relative to said base portion.

12. The polyp removal device of claim 1, further including an electrosurgical generator.

13. The polyp removal device of claim 12, wherein the electrodes are electrically connected to the electrosurgical generator.

14. A polyp removal device comprising:

a tubular member having proximal and distal ends, said distal end including a first electrode extending across said lumen, said first electrode defining at least one opening therein;

a handle portion operatively extending from said proximal end of said tubular member; and

a snare portion slidably supported within said lumen of said tubular member and operably extending from said distal end of said tubular member and through said at least one opening defined in said first electrode, wherein at least a section of said snare portion defines a second electrode, wherein said tubular member is configured to deliver electrosurgical energy to said first and second electrodes.

15. The polyp removal device of claim 14, wherein said snare portion is retractable with said tubular member.

16. The polyp removal device of claim 14, wherein said first and second electrodes may be independently activated.

17. A method of removing a polyp comprising the steps of:

providing a polyp removal device including;

a tubular member having proximal and distal ends, said distal end including a first electrode extending there across, said first electrode defining one or more openings therein; and

a snare portion operably extending from within said distal end of said tubular member and through said one or more openings defined in said first electrode, said tubular member configured for delivering electrosurgical energy through said first electrode;

extending said snare portion relative to said tubular member;

looping said snare portion about a portion of a polyp;

retracting said snare portion relative to said tubular member to ensnare said portion of said polyp; and

activating said first electrode.

18. The method of claim 17, wherein said snare portion further includes a second electrode.

19. The method of claim 18, further including the step of:

activating at least one of said first electrode and said second electrode following retraction of said snare portion relative to said tubular member.