Ultrasonic treatment apparatus

• US 7,714,481 B2
• Filed: 11/30/2006
• Issued: 05/11/2010
• Est. Priority Date: 11/30/2006
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Medical Systems Corporation (Olympus Corporation)
• Inventors: Sakai, Ryoji
• Primary Examiner(s): BUDD, MARK OSBORNE
• Application Number:
  US11/565,113
• Publication Number:
  US 20080132927A1
• Time in Patent Office: 1,258 Days
• Field of Search: 310/325, 310/334, 128/24.A, 128/305, 604/22, 604/272
• US Class Current: 310/325
• CPC Class Codes: A61B 17/320068 using mechanical vibrations, e.g. ultrasonic A61B17/22012 takes precedence; dental tooth drilling devices operated by vibration A61C3/03; removing intra-ocular material using mechanical vibrations A61F9/00745
• CPC Class Codes: A61B 2017/22008 used or promoted
• CPC Class Codes: A61B 2017/320071 with articulating means for working tip
• CPC Class Codes: A61B 2017/320078 Tissue manipulating surface
• CPC Class Codes: A61B 2017/320084 Irrigation sleeves
• CPC Class Codes: A61B 2017/320093 additional movable means performing cutting operation
• CPC Class Codes: A61B 2017/320094 additional movable means performing clamping operation
• CPC Class Codes: A61B 2017/320095 with sealing or cauterizing means

Abstract

An ultrasonic treatment apparatus includes an ultrasonic transducer that generates ultrasonic vibrations, a probe that includes a proximal end connected with the ultrasonic transducer, and transmits ultrasonic vibrations generated by the ultrasonic transducer from the proximal end to a distal end thereof, and a treatment portion that is formed at the distal end of the probe, and utilizes the transmitted ultrasonic vibrations to treat a living tissue. The treatment portion includes two or more protrusions.

Claims

1. An ultrasonic treatment apparatus comprising:

an ultrasonic transducer configured to generate ultrasonic vibrations;

a probe including a proximal end connected with the ultrasonic transducer and configured to transmit the ultrasonic vibrations generated by the ultrasonic transducer from the proximal end to a distal end of the probe; and

a treatment portion formed at the distal end of the probe and configured to treat a living tissue with the transmitted ultrasonic vibrations,

wherein the treatment portion includes two or more protrusions,

the protrusion includes a promoting portion configured to promote cavitation, and

the promoting portion includes a hole portion.

2. A probe for an ultrasonic treatment apparatus, wherein the probe includes a proximal end configured to be connected with an ultrasonic transducer configured to generate ultrasonic vibrations;

is configured to transmit the ultrasonic vibrations generated by the ultrasonic transducer from the proximal end to a distal end of the probe in an axial direction of the probe; and

includes a treatment portion formed at the distal end of the probe and configured to treat a living tissue with the transmitted ultrasonic vibrations,

the treatment portion includes two or more protrusions,

the protrusion includes a promoting portion configured to promote cavitation, and

the promoting portion includes a hole portion.

3. An ultrasonic treatment apparatus comprising:

an ultrasonic transducer configured to generate ultrasonic vibrations;

a probe including a proximal end connected with the ultrasonic transducer and configured to transmit the ultrasonic vibrations generated by the ultrasonic transducer from the proximal end to a distal end of the probe in an axial direction of the probe; and

a treatment portion formed at the distal end of the probe and configured to treat a living tissue with the transmitted ultrasonic vibrations, in a manner which produces cavitation,

wherein the treatment portion includes at least a first and a second protrusion,

the first protrusion is arranged on one side in a direction perpendicular to a central axis of the probe and is inclined to be separated from the central axis of the probe toward the distal end side,

the second protrusion is arranged on the opposite side to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe toward the distal end side,

the first protrusion includes a first main flat surface portion and the first main flat surface portion is flat, is arranged on a side of the first protrusion close to the second protrusion and is inclined to be separated from the central axis of the probe toward the distal end side, and

the second protrusion includes a second main flat surface portion and the second main flat surface portion is flat, is arranged on a side of the second protrusion close to the first protrusion, is inclined to be separated from the central axis of the probe toward the distal end side and faces the first main flat surface portion.

4. The ultrasonic treatment apparatus according to claim 3,

wherein the treatment portion includes only the first protrusion and the second protrusion.

5. The ultrasonic treatment apparatus according to claim 3,

wherein the treatment portion includes only the first protrusion, the second protrusion and a third protrusion,

the first protrusion is arranged on one side in a first direction perpendicular to the central axial direction of the probe and one side in a second direction perpendicular to the central axial direction of the probe and to the first direction with respect to the central axis of the probe and is inclined in the first direction toward the distal end side, and

the second protrusion is arranged on the other side in the first direction opposite to the first protrusion with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the third protrusion is arranged on the one side in the first direction opposite to the second protrusion and on the other side in the second direction opposite to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the first main surface portion is inclined in the first direction toward the distal end side,

the first protrusion includes a first sub flat surface portion and the first sub flat surface portion is flat and is arranged on a side of the first protrusion close to the third protrusion,

the second main surface portion is inclined in the first direction toward the distal end side, and

the third protrusion includes a third main flat surface portion and a third sub flat surface portion, the third main flat surface portion is flat, is arranged on a side of the third protrusion close to the second protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and faces the second main flat surface portion and the third sub flat surface portion is flat, is arranged on a side of the third protrusion close to the first protrusion and faces the first sub flat surface portion.

6. The ultrasonic treatment apparatus according to claim 3,

wherein the treatment portion includes only the first protrusion, the second protrusion, a third protrusion and a fourth protrusion.

the first protrusion is arranged on one side in a first direction perpendicular to the central axial direction of the probe and one side in a second direction perpendicular to the central axial direction of the probe and to the first direction with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the second protrusion is arranged on the other side in the first direction opposite to the first protrusion with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the third protrusion is arranged on the one side in the first direction and on the other side in the second direction opposite to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the fourth protrusion is arranged on the other side in the first direction opposite to the third protrusion and on the other side in the second direction opposite to the second protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the first main surface portion is inclined in the first direction toward the distal end side,

the first protrusion includes a first sub flat surface portion and the first sub flat surface portion is flat, is arranged on a side of the first protrusion close to the third protrusion,

the second main surface portion is inclined in the first direction toward the distal end side,

the second protrusion includes a second sub flat surface portion and the second sub flat surface portion is flat, is arranged on a side of the second protrusion close to the fourth protrusion,

the third protrusion includes a third main flat surface portion and a third sub flat surface portion, the third main flat surface portion is flat is arranged on a side of the third protrusion close to the fourth protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and the third sub flat surface portion is flat, is arranged on a side of the third protrusion close to the first protrusion and faces the first sub flat surface portion, and

the fourth protrusion includes a fourth main flat surface portion and a fourth sub flat surface portion, the fourth main flat surface portion is flat, is arranged on a side of the fourth protrusion close to the third protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and faces the third main flat surface portion and the fourth sub flat surface portion is flat, is arranged on a side of the fourth protrusion close to the second protrusion and faces the second sub flat surface portion.

7. The ultrasonic treatment apparatus according to claim 3,

wherein the first and the second protrusions are configured to arrange a living tissue between the first and the second protrusion such that the living tissue crosses a protruding direction of the protrusions and faces the main flat surface portions.

8. The ultrasonic treatment apparatus according to claim 3,

wherein the probe further includes an aspiration path opened at the treatment portion and extending from the distal end to the proximal end of the probe.

9. The ultrasonic treatment apparatus according to claim 3, further comprising:

a sheath provided on the probe; and

jaw provided at a distal end of the sheath and configured to be opened and closed with respect to the treatment portion to hold a living tissue in cooperation with the treatment portion.

10. A probe for an ultrasonic apparatus,

wherein the probe includes a proximal end configured to be connected with an ultrasonic transducer configured to generate ultrasonic vibrations, is configured to transmit the ultrasonic vibrations generated by the ultrasonic transducer from the proximal end to a distal end of the probe in an axial direction of the probe, and includes a treatment portion formed at the distal end of the probe and configured to treat a living tissue with the transmitted ultrasonic vibrations, in a manner which produces cavitation,

the treatment portion includes at least a first and a second protrusion,

the first protrusion is arranged on one side in a direction perpendicular to a central axis of the probe and is inclined to be separated from the central axis of the probe toward the distal end side,

the second protrusion is arranged on the opposite side to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe toward the distal end side,

the first protrusion includes a first main flat surface portion and the first main flat surface portion is flat, is arranged on a side of the first protrusion close to the second protrusion and is inclined to be separated from the central axis of the probe toward the distal end side, and

the second protrusion includes a second main flat surface portion and the second main flat surface portion is flat, is arranged on a side of the second protrusion close to the first protrusion, is inclined to be separated from the central axis of the probe toward the distal end side and faces the first main flat surface portion.

11. The probe according to claim 10,

wherein the treatment portion includes only the first protrusion and the second protrusion.

12. The probe according to claim 10,

wherein the treatment portion includes only the first protrusion, the second protrusion and a third protrusion,

the first protrusion is arranged on one side in a first direction perpendicular to the central axial direction of the probe and one side in a second direction perpendicular to the central axial direction of the probe and to the first direction with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the second protrusion is arranged on the other side in the first direction opposite to the first protrusion with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the third protrusion is arranged on the one side in the first direction opposite to the second protrusion and on the other side in the second direction opposite to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the first main surface portion is inclined in the first direction toward the distal end side,

the first protrusion includes a first sub flat surface portion and the first sub flat surface portion is flat and is arranged on a side of the first protrusion close to the third protrusion,

the second main surface portion is inclined in the first direction toward the distal end side, and

the third protrusion includes a third main flat surface portion and a third sub flat surface portion, the third main flat surface portion is flat, is arranged on a side of the third protrusion close to the second protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and faces the second main flat surface portion and the third sub flat surface portion is flat, is arranged on a side of the third protrusion close to the first protrusion and faces the first sub flat surface portion.

13. The probe according to claim 10,

wherein the treatment portion includes only the first protrusion, the second protrusion, a third protrusion and a fourth protrusion,

the first protrusion is arranged on one side in a first direction perpendicular to the central axial direction of the probe and one side in a second direction perpendicular to the central axial direction of the probe and to the first direction with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the second protrusion is arranged on the other side in the first direction opposite to the first protrusion with respect to the central axis of the probe and is inclined in the first direction toward the distal end side,

the third protrusion is arranged on the one side in the first direction and on the other side in the second direction opposite to the first protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the fourth protrusion is arranged on the other side in the first direction opposite to the third protrusion and on the other side in the second direction opposite to the second protrusion with respect to the central axis of the probe and is inclined to be separated from the central axis of the probe in the first direction toward the distal end side,

the first main surface portion is inclined in the first direction toward the distal end side,

the first protrusion includes a first sub flat surface portion and the first sub flat surface portion is flat, is arranged on a side of the first protrusion close to the third protrusion,

the second main surface portion is inclined in the first direction toward the distal end side,

the second protrusion includes a second sub flat surface portion and the second sub flat surface portion is flat, is arranged on a side of the second protrusion close to the fourth protrusion,

the third protrusion includes a third main flat surface portion and a third sub flat surface portion, the third main flat surface portion is flat, is arranged on a side of the third protrusion close to the fourth protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and the third sub flat surface portion is flat, is arranged on a side of the third protrusion close to the first protrusion and faces the first sub flat surface portion, and

the fourth protrusion includes a fourth main flat surface portion and a fourth sub flat surface portion, the fourth main flat surface portion is flat, is arranged on a side of the fourth protrusion close to the third protrusion, is inclined to be separated from the central axis of the probe in the first direction toward the distal end side and faces the third main flat surface portion and the fourth sub flat surface portion is flat, is arranged on a side of the fourth protrusion close to the second protrusion and faces the second sub flat surface portion.

14. The probe according to claim 10,

wherein the first and the second protrusions are configured to arrange a living tissue between the first and the second protrusion such that the living tissue crosses a protruding direction of the protrusions and faces the main flat surface portions.

15. The probe according to claim 10, further comprising:

an aspiration path opened at the treatment portion and extending from the distal end to the proximal end of the probe.