Ultrasonic treatment device with mist suctioning structure

• US 7,507,212 B2
• Filed: 04/28/2005
• Issued: 03/24/2009
• Est. Priority Date: 04/28/2004
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: Yoshimine, Hideto, Tsuchiya, Tomoyuki
• Primary Examiner(s): WINAKUR, ERIC FRANK
• Application Number:
  US11/116,520
• Publication Number:
  US 20050245823A1
• Time in Patent Office: 1,426 Days
• Field of Search: 601/2, 604/22, 604/27, 606/1, 606/127, 606/128
• US Class Current: 601/2
• CPC Class Codes: A61B 17/22012 in direct contact with, or very close to, the obstruction or concrement for removing obstructions in blood vessels by laser A61B18/245
• CPC Class Codes: A61B 2017/320073 probe
• CPC Class Codes: A61B 2017/320084 Irrigation sleeves
• CPC Class Codes: A61B 2017/320088 with acoustic insulation, e.g. elements for damping vibrations between horn and surrounding sheath
• CPC Class Codes: A61B 2217/005 with suction drainage system

Abstract

An ultrasonic treatment device comprises a handpiece having an ultrasonic transducer and a long axial probe whose base end is connected with the transducer. The device further comprises a tubular inner sheath covering the probe and an outer sheath covering the inner sheath with a predetermined annular space left therebetween. The space between the sheaths is used as a suction path for mist. For the suction, the device further comprises a base-end sealing member made of an elastic material, disposed on a base-end side of the outer sheath and engaged detachably with the inner sheath to seal a gap formed with the inner sheath. A suction unit is disposed on the base-end side of the outer sheath. The suction unit sucks in mist to be generated when ultrasonic treatment is performed, through the suction path, and discharged outside.

Claims

1. An ultrasonic treatment device comprising:

a handpiece having an ultrasonic transducer;

an ultrasonic probe having a base end operatively connected to the ultrasonic transducer for transmitting ultrasonic vibration;

a tubular inner sheath covering the probe;

an outer sheath having a base end and covering the inner sheath with a predetermined space left between both sheaths, the space functioning as a suction path for mist;

a base-end sealing member comprised of an elastic material, disposed on the base end of the outer sheath and engaged detachably with the inner sheath to seal a gap formed with the inner sheath;

and a suction member disposed on a base-end side of the outer sheath, formed to communicate with the suction path formed between both the outer and inner sheaths, and configured to suck in the mist through the suction path.

2. The ultrasonic treatment device according to claim 1, wherein a distal end of the suction path formed between the outer and inner sheaths is formed to be open.

3. The ultrasonic treatment device according to claim 2, wherein the probe has an elastic support member formed to provide an outer diameter and located at a position of the probe, the position corresponding to a node of ultrasonic vibration to be transmitted from the ultrasonic transducer via the probe and the inner sheath has an inner diameter smaller than the outer diameter of the elastic support member.

4. The ultrasonic treatment device according to claim 3, wherein

the elastic support member is supported by the inner sheath, with a protrusion of the elastic support member pressed to an inner circumferential surface of the inner sheath.

5. The ultrasonic treatment device according to claim 2, wherein the suction member has a suction mouthpiece formed to protrude at a position of the base end of the outer sheath and to detachably be connected with a suction tube extended from a suction source.

6. The ultrasonic treatment device according to claim 2, wherein the outer sheath is detachably coupled with the inner sheath.

7. The ultrasonic treatment device according to claim 1, comprising a distal-end sealing member comprised of an elastic material, disposed on a distal end of the outer sheath, and engaged detachably with the inner sheath to seal a gap formed with the inner sheath, wherein a hole is formed through the inner sheath at a predetermined position of the inner sheath, the predetermined position being nearer to the base end of the inner sheath than a touched position of the distal-end sealing member to the inner sheath, such that the hole connects a farther gap between the distal end of the probe and the inner sheath and the suction path, the farther gap functioning as a farther suction path.

8. The ultrasonic treatment device according to claim 7, wherein the probe has an elastic support member formed to provide an outer diameter and located at a position of the probe, the position corresponding to a node of ultrasonic vibration to be transmitted from the ultrasonic transducer via the probe and the inner sheath has an inner diameter smaller than the outer diameter of the elastic support member.

9. The ultrasonic treatment device according to claim 7, wherein the suction member has a suction mouthpiece formed to protrude at a position of the base end of the outer sheath and to detachably be connected with a suction tube extended from a suction source.

10. The ultrasonic treatment device according to claim 7, wherein the outer sheath is detachably coupled with the inner sheath.

11. An ultrasonic treatment device comprising:

a handpiece having an ultrasonic transducer;

an ultrasonic probe having a base end operatively connected to the ultrasonic transducer for transmitting ultrasonic vibration;

a tubular inner sheath covering the probe;

an outer sheath having a base end and covering the inner sheath with a predetermined space left between both sheaths, the space functioning as a first suction path for mist;

a base-end sealing member comprised of an elastic material, disposed on a base-end side of the outer sheath and engaged detachably with the inner sheath to seal a gap formed with the inner sheath;

a suction member disposed on a base-end side of the outer sheath, formed to communicate with the first suction path formed between both the outer and inner sheaths;

and a distal-end sealing member comprised of an elastic material, disposed on a distal end of the outer sheath, and engaged detachably with the inner sheath to seal a gap formed with the inner sheath, wherein a hole is formed through the inner sheath at a predetermined position of the inner sheath, the predetermined position being nearer to the base end of the inner sheath than a touched position of the distal-end sealing member to the inner sheath, such that the hole connects a further gap between the distal end of the probe and the inner sheath and the first suction path, the further gap functioning as a second suction path for the mist, the probe has an elastic support member formed to provide an outer diameter and located at a position of the probe, the position corresponding to a node of ultrasonic vibration to be transmitted from the ultrasonic transducer via the probe, the inner sheath has an inner diameter smaller than the outer diameter of the elastic support member, and the hole of the inner sheath is located between the elastic support member and the distal-end sealing member.

12. The ultrasonic treatment device according to claim 11, wherein the suction member has a suction mouthpiece formed to protrude at a position of the base end of the outer sheath and to detachably be connected with a suction tube extended from a suction source.

13. The ultrasonic treatment device according to claim 11, wherein the outer sheath is detachably coupled with the inner sheath.

14. An ultrasonic treatment device comprising:

a handpiece having an ultrasonic transducer;

an ultrasonic probe operatively connected to the ultrasonic transducer for transmitting ultrasonic vibration;

a first sheath covering an outer surface of the probe;

a second sheath covering an outer surface of the first sheath;

a first suction path formed between the first and second sheaths;

and a suction mouthpiece disposed on a base-end side of the second sheath and formed to communicate with the first suction path, with

a distal end of the probe being coupled with a treatment piece having a solid distal end, with ultrasonic vibration to be transmitted thereto from the ultrasonic transducer.

15. The ultrasonic treatment device according to claim 14, comprising a second suction path formed between the probe and the first sheath wherein the first sheath has a hole formed therethrough to allow both of the first and second suction paths to communicate with each other.

16. The ultrasonic treatment device according to claim 14, wherein the second sheath is detachable from the first sheath.