Ultrasonic treatment apparatus

• US 7,264,618 B2
• Filed: 04/01/2004
• Issued: 09/04/2007
• Est. Priority Date: 08/02/2002
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: Murakami, Eiji, Masubuchi, Ryoji
• Primary Examiner(s): PEFFLEY, MICHAEL F
• Application Number:
  US10/815,424
• Publication Number:
  US 20040186463A1
• Time in Patent Office: 1,251 Days
• Field of Search: 606/1, 606/27, 606/28, 606/41, 606/45, 606/49, 606/169, 604/22
• US Class Current: 606/27
• CPC Class Codes: A61B 18/1445 at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
• CPC Class Codes: A61B 2017/2825 Inserts of different material in jaws
• CPC Class Codes: A61B 2017/2829 with a removable cover
• CPC Class Codes: A61B 2017/320093 additional movable means performing cutting operation
• CPC Class Codes: A61B 2017/320095 with sealing or cauterizing means
• CPC Class Codes: A61B 2090/0813 Accessories designed for easy sterilising, i.e. re-usable
• CPC Class Codes: A61N 7/02 Localised ultrasound hyperthermia hyperthermia in general A61F7/00

Abstract

An ultrasonic treatment apparatus of the invention is provided with an improved cleaning ability and easy recyclability. A grasping member (1720) includes a first element (1721) molded of a heat resistant resin, and a second element (1722) located inside the first element (1721) as a reinforcement in such a manner that the first element (1721) covers the outer surface of the second element (1722) entirely.

Claims

1. An ultrasonic treatment apparatus for performing a medical treatment to a living tissue, comprising:

a probe to which ultrasonic vibration is applied; and

a tip action unit that moves in an opening/closing manner with respect to the probe on operation of an operating section, wherein

the tip action unit includes

a jaw that moves in an opening/closing manner in response to the operation of the operating section; and

a grasping member pivotably supported by the jaw for grasping the living tissue with the probe,

the grasping member includes

a body element molded of a heat resistant resin; and

a reinforcement member embedded in the body element, and

the ultrasonic vibration is applied to the probe while grasping the living tissue between the probe and the tip action unit.

2. The ultrasonic treatment apparatus according to claim 1, wherein the reinforcement member is made of a metallic material extended along an extending direction of the probe.

3. The ultrasonic treatment apparatus according to claim 1, wherein the reinforcement member includes a portion pivotably supported by the jaw.

4. An ultrasonic treatment apparatus for performing a medical treatment to a living tissue, comprising:

a probe to which ultrasonic vibration is applied; and

a tip action unit that moves in an opening/closing manner with respect to the probe on operation of an operating section, wherein

the tip action unit includes

a jaw that moves in an opening/closing manner in response to the operation of the operating section; and

a grasping member pivotably supported by the jaw for grasping the living tissue with the probe,

the grasping member includes

a body element molded of a heat resistant resin; and

a reinforcement member fitted with the body element to cover a portion of the body element, and

a filling member is filled between the body element and the reinforcement member to tightly contact the body element with the reinforcement member; and

the ultrasonic vibration is applied to the probe while grasping the living tissue between the probe and the tip action unit.

5. The ultrasonic treatment apparatus according to claim 4, wherein the reinforcement member is made of a metallic material extended along an extending direction of the probe.

6. The ultrasonic treatment apparatus according to claim 4, wherein the reinforcement member includes a portion pivotably supported by the jaw.