Patent ID: 7815658
Filing Date: 2010-10-19
Classification: A61B

Abstract:
1. An ultrasonic treatment apparatus comprising: a vibrator assembly which generates ultrasonic vibration; a probe which includes a proximal end detachably mounted to the vibrator assembly and a distal end having a treatment portion, the probe being configured to transmit the ultrasonic vibration from the proximal end to the treatment portion thereof; a handle assembly to which the vibrator assembly and the probe are detachably mounted respectively, the handle assembly including a handle to be operated by an operator; a treatment assembly which includes: a sheath assembly covering an outer periphery of the treatment assembly, the sheath assembly including a sheath assembly connecting member which is detachably mounted to the handle assembly, and the sheath assembly being engaged with the outward projection portion of the treatment assembly at the distal end side of the drive member without disassembling parts, wherein the handle assembly includes a sheath connecting member connected to the sheath assembly connecting member and a drive member connecting member connected to the treatment assembly connecting member, the sheath assembly connecting member includes at least two fixed arms extending to a proximal end side of the sheath, and the fixed arms respectively include an outward protrusion portion that protrudes toward a radially outward direction and the outward protrusion portion being detachably engaged with the sheath connecting member.