Nasal surgical procedure using electrosurgical apparatus and novel electrode

• US 5,733,282 A
• Filed: 06/18/1996
• Issued: 03/31/1998
• Est. Priority Date: 05/25/1995
• Status: Expired due to Term

• Current Assignee: Ellman International, Inc. (Hologic Incorporated)
• Original Assignee: ALAN G. ELLMAN, Jon C. Garito
• Inventors: Garito, Jon C., Ellman, Alan G.
• Primary Examiner(s): Cohen, Lee S.
• Application Number:
  US08/666,678
• Time in Patent Office: 651 Days
• Field of Search: 606/44, 606/45, 606/46, 606/49
• US Class Current: 606/45
• CPC Class Codes: A61B 18/1477 Needle-like probes
• CPC Class Codes: A61B 18/1485 having a short rigid shaft for accessing the inner body through natural openings
• CPC Class Codes: A61B 2018/1425 Needle

Abstract

An electrode for use in an electrosurgical nasal procedure for excising tissue. The procedure is known as DCR. In a preferred embodiment, the electrode is characterized by a bare active tip portion terminating a transversely-extending portion from an electrode shaft. The tissue excising is effected with the bare tip and the adjacent portions of the transversely-extending portion and electrode shaft are made insulating to prevent accidental burns to the patient and to allow the physician to use these insulated parts to help position and guide the active tip portion during the surgical procedure.

Claims

1. A nasal surgical procedure for a patient, comprising the steps:

(a) providing electrosurgical apparatus connected to a handpiece holding an electrosurgical electrode, said electrosurgical electrode, comprising;

(i) an electrically conductive shaft member having a first end mounted to the handpiece and a second end,

(ii) said second end having a generally transversely-extending portion terminating in an active, electrically conductive, tip portion,

(iii) said active tip portion being exposed electrically for applying electrosurgical currents to patient tissue when said shaft member is connected to a source of electrosurgical currents,

(iv) portions of said shaft member and said transversely-extending portion adjacent said exposed tip portion having an electrically insulating coating to prevent contact and passage of electrosurgical currents to areas adjacent to or surrounding the shaft member,

(b) inserting the electrode into the nasal passageway of the patient and activating the electrosurgical apparatus,

(c) making an incision with the active tip portion of the electrode using electrosurgical currents and extending the incision in a generally circular path to excise a tissue region in the area of the nasal mucosa.

2. A nasal surgical procedure as claimed in claim 1, wherein the active tip portion is tapered to a point.

3. A nasal surgical procedure as claimed in claim 1, wherein the shaft member and part of the transversely-extending portion are tubular and of metal, and the tip portion is of solid metal.

4. A nasal surgical procedure as claimed in claim 1, wherein the length of the active tip portion is in the range of about 0.05-0.30 inches in length.

5. A nasal surgical procedure as claimed in claim 1, wherein the electrosurgical currents are at a frequency exceeding 1.5 MHz.

6. A nasal surgical procedure as claimed in claim 4, wherein the electrosurgical electrode for excising the nasal tissue has a diameter of the portion of the shaft member adjacent the second end in the range of about 0.03-0.06 inches.

7. A nasal surgical procedure as claimed in claim 1, wherein the length of said transversely-extending portion lies in the range of about 0.28-0.55 inches.

8. A nasal surgical procedure as claimed in claim 1, wherein the length of said shaft member coated with the electrically-insulating coating is about 2.04-2.42 inches.

9. A nasal surgical procedure for a patient, comprising:

(a) providing electrosurgical apparatus capable of supplying high frequency currents,

(b) providing an electrosurgical handpiece having means at one end for connection to the electrosurgical apparatus and having at its opposite end means for holding an electrically conductive shaft of an electrosurgical electrode and for supplying the high frequency currents to said electrode;

(c) providing an electrosurgical electrode for performing nasal surgery, comprising;

(i) an electrically conductive shaft having a first end mounted at the opposite end of the electrosurgical handpiece and a second end,

(ii) said second end having a generally transversely-extending portion terminating in an active, electrically conductive, tip portion, the length of said transversely-extending portion lying in the range of about 0.28-0.55 inches,

(iii) said active tip portion being exposed electrically for applying electrosurgical currents to patient nasal tissue when said shaft is connected to the electrosurgical apparatus,

(d) the portion of said shaft extending to said transversely-extending portion adjacent said exposed tip portion being electrically insulating to prevent contact and passage of electrosurgical currents to areas adjacent to or surrounding the shaft,

(e) inserting the electrode into the nasal passageway of the patient and activating the electrosurgical apparatus,

(f) making an incision with the active tip portion of the electrode using electrosurgical currents and extending the incision in a generally circular path to excise a tissue region in the area of the nasal mucosa.

10. A nasal surgical procedure as claimed in claim 9, wherein the excised tissue region is an area of the patient'"'"'s nasal mucosa anterior to the patient'"'"'s middle turbinate approximately 15-20 mm in diameter.