Battery powered cautery assembly

• US 5,688,265 A
• Filed: 08/30/1995
• Issued: 11/18/1997
• Est. Priority Date: 08/30/1995
• Status: Expired due to Fees

• Current Assignee: Aaron Medical Industries, Inc. (Apyx Medical Corporation)
• Original Assignee: Aaron Medical Industries, Inc. (Apyx Medical Corporation)
• Inventors: Citronowicz, Moshe
• Primary Examiner(s): Cohen, Lee S.
• Application Number:
  US08/521,569
• Time in Patent Office: 811 Days
• Field of Search: 606/29, 606/30, 606/42, 219/233, 219/240, 30/140
• US Class Current: 606/30
• CPC Class Codes: A61B 18/10 Power sources therefor
• CPC Class Codes: A61B 2018/00642 with feedback, i.e. closed loop control

Abstract

A battery powered cautery assembly comprising a cautery and a removable safety cover wherein the cautery comprises a substantially cylindrical outer housing having at least one battery disposed in the proximal end thereof, a cautery element attached to the distal end thereof with a conductor disposed to selectively couple the battery to the cautery element and a switch movable between a first and second position hingedly attached thereto and disposed to selectively engage the conductor when in the second position to selectively connect the cautery element to the battery.

Claims

1. A battery operated cautery comprising an outer housing having a switch actuator aperture including a distal end and a proximal end formed therein and configured to retain a battery voltage source including a first terminal and a second terminal, said outer enclosure having a distal end portion and a proximal end portion, a cautery element mounted on said distal end portion of said outer housing, a conductor including a first contact element movable between a first position and a second position formed on one end thereof and a second contact element formed on the opposite end thereof, said conductor being operatively housed within said outer housing, a switch actuator having a proximal end and a distal end hingedly attached to said outer housing and movable between a first position and a second position and at least partially disposed within said switch actuator aperture, said switch actuator being disposed adjacent said first contact element, said cautery element comprises a cautery heating holder supporting a first electrode and a second electrode at least partially disposed within said outer housing and cooperatively supporting a heating tip extending outwardly from said outer housing, said first electrode and said second electrode each including a distal end portion and a proximal end portion, said first contact element being normally biased in said first position in spaced relation relative to said first electrode, said second electrode being adapted to be electrically connected to said second terminal of said battery voltage source such that said first contact element is moved from said first position to said second position by depression of said switch actuator to engage said first electrode to complete the electrical circuit thereto to actuate said battery operated cautery, said cautery heating holder comprises an electrode support member to support said first electrode and said second electrode and an inner housing to house said proximal end portions of said first electrode and said second electrode and to operatively support a portion of said conductor thereon.

2. The battery operated cautery of claim 1 further including a removable safety cover to selectively cover said heating tip, said removable safety cover including a proximal portion insertable between said outer housing and a portion of said switch actuator when said removable safety cover is mounted on said outer housing to lock said switch actuator in said first position to prevent actuation of said heating tip.

3. The battery operated cautery of claim 1 further including an axial cautery alignment means to axially align said cautery element relative to said switch actuator aperture.

4. The battery operated cautery of claim 3 wherein said axial cautery alignment means comprises a substantially flat upper surface having a proximal end and a distal end formed on said inner housing and a substantially flat interior surface formed on the distal end portion of said outer housing.

5. The battery operated cautery of claim 1 wherein said inner housing further includes an actuator aperture formed therethrough to permit electrical contact between said conductor and said first electrode when said switch actuator is in said second position.

6. The battery operated cautery of claim 5 wherein said battery operated cautery further includes a conductor alignment means to align said conductor relative to said switch actuator, said switch actuator aperture, said actuator aperture and said first electrode.

7. The battery operated cautery of claim 6 wherein said conductor alignment means comprising a conductor alignment element formed on said conductor adjacent said first contact element and a keyway formed on said inner housing to align said conductor laterally and longitudinally relative to said switch actuator aperture formed on said outer housing and said actuator aperture formed in said inner housing such that said switch actuator, said switch actuator aperture, said first contact element, said actuator aperture and said first electrode are operatively aligned relative to each other.

8. The battery operated cautery of claim 1 wherein said battery operated cautery further includes a conductor alignment means to align said conductor relative to said switch actuator, said switch actuator aperture and said first electrode.

9. The battery operated cautery of claim 8 wherein said conductor alignment means comprising a conductor alignment element formed on said conductor adjacent said first contact element and a keyway formed on said inner housing to align said conductor laterally and longitudinally relative to said switch actuator aperture formed on said outer housing and said actuator aperture formed in said inner housing such that said switch actuator, said switch actuator aperture, said first contact element, said actuator aperture and said first electrode are operatively aligned relative to each other.

10. The battery operated cautery of claim 1 wherein said switch actuator includes a switch actuator retainer member formed on said distal end thereof to engage said outer housing adjacent said distal end of said switch actuator aperture to normally maintain said switch actuator in said first position and said switch actuator is hingedly attached to said outer housing by a hinge formed on said proximal end of said switch actuator.

11. The battery operated cautery of claim 1 wherein said switch actuator includes a switch actuator retainer member formed on said distal end thereof to engage said outer housing adjacent said distal end of said switch actuator aperture to normally maintain said switch actuator in said first position.

12. The battery operated cautery of claim 11 wherein said switch actuator is hingedly attached to said outer housing by a hinge formed on said proximal end of said switch actuator.

13. A handheld battery powered device comprising an outer housing having a switch actuator aperture including a distal end and a proximal end formed therein and configured to retain a battery voltage source including a first terminal and a second terminal, said outer housing having a distal end portion and a proximal end portion, a working implement mounted on said distal end portion of said outer housing, a conductor including a first contact element movable between a first position and a second position formed on one end thereof and a second contact element formed on the opposite end thereof, said conductor being operatively housed within said outer housing, a switch actuator having a proximal end and a distal end hingedly attached to said outer housing and movable between a first position and a second position and at least partially disposed within said switch actuator aperture, said switch actuator being disposed adjacent said first contact element, said working implement comprising a first electrode and a second electrode at least partially disposed within said outer housing and cooperatively supporting a work piece extending outwardly from said outer housing, said first electrode and second electrode each including a distal end portion and a proximal end portion said first contact element being normally biased in said first position in spaced relation relative to said first electrode, said second electrode being adapted to be electrically connected to said second terminal of said battery voltage source such that said first contact element is moved from said first position to said second position by depression of said switch actuator to engage said first electrode to complete the electrical circuit thereto to actuate said handheld battery powered device, said working implement further comprises an electrode support member to support said first electrode and said second electrode and an inner housing to house the proximal end portions of said first electrode and said second electrode to operatively support a portion of said conductor thereon.

14. The handheld battery powered device of claim 13 further including an axial cautery alignment means to axially align said working implement relative to said switch actuator aperture.

15. The handheld battery powered device of claim 14 wherein said axial cautery alignment means comprises a substantially flat upper surface having a proximal end and a distal end formed on said inner housing and a substantially flat interior surface formed on the distal end portion of said outer housing.

16. The handheld battery powered device of claim 13 wherein said inner housing further includes an actuator aperture formed therethrough to permit electrical contact between said conductor and said first electrode.

17. The handheld battery powered device of claim 16 wherein said handheld battery powered device further includes a conductor alignment means to align said conductor relative to said switch actuator, said switch actuator aperture, said actuator aperture and said first electrode.

18. The handheld battery powered device of claim 17 wherein said conductor alignment means comprising a conductor alignment element formed on said conductor adjacent said first contact element and a keyway formed on said inner housing to align said conductor laterally and longitudinally relative to said switch actuator aperture formed on said outer housing and said actuator aperture formed in said inner housing such that said switch actuator, said switch actuator aperture, said first contact element, said actuator aperture and said first electrode are operatively aligned relative to each other.

19. The handheld battery powered device of claim 13 wherein said handheld battery powered device further includes a conductor alignment means to align said conductor relative to said switch actuator, said switch actuator aperture and said first electrode.

20. The battery operated cautery of claim 19 wherein said conductor alignment means comprises a conductor alignment element formed on said conductor adjacent said first contact element and a keyway formed on said inner housing to align said conductor laterally and longitudinally relative to said switch actuator aperture formed on said outer housing and said actuator aperture formed in said inner housing such that said switch actuator, said switch actuator aperture, said first contact element, said actuator aperture and said first electrode are operatively aligned relative to each other.

21. The handheld battery powered device of claim 13 further including a removable safety cover to selectively cover said workpiece, said removable safety cover including a proximal portion insertable between said outer housing and a portion of said switch actuator when said removable safety cover is mounted on said outer housing to lock said switch actuator in said first position to prevent actuation of said workpiece.

22. The handheld battery powered device of claim 13 wherein said switch actuator includes a switch actuator retainer member formed on said distal end thereof to engage said outer housing adjacent said distal end of said switch actuator aperture to normally maintain said switch actuator in said first position and said switch actuator is hingedly attached to said outer housing by a hinge formed on said proximal end of said switch actuator.

23. The handheld battery powered device of claim 13 wherein said switch actuator is hingedly attached to said outer housing by a hinge formed on said proximal end of said switch actuator.